diff --git a/client/assets/tailwind.css b/client/assets/tailwind.css
index bd6213e1..7883f32f 100644
--- a/client/assets/tailwind.css
+++ b/client/assets/tailwind.css
@@ -1,3 +1,85 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
\ No newline at end of file
+@import 'tailwindcss';
+
+/*
+  The default border color has changed to `currentColor` in Tailwind CSS v4,
+  so we've added these compatibility styles to make sure everything still
+  looks the same as it did with Tailwind CSS v3.
+
+  If we ever want to remove these styles, we need to add an explicit border
+  color utility to any element that depends on these defaults.
+*/
+@layer base {
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    border-color: var(--color-gray-200, currentColor);
+  }
+
+  [role='button'],
+  button {
+    cursor: pointer;
+  }
+}
+
+@theme {
+  --spacing-0\.5e: 0.125em;
+  --spacing-1e: 0.25em;
+  --spacing-1\.5e: 0.375em;
+  --spacing-2e: 0.5em;
+  --spacing-2\.5e: 0.625em;
+  --spacing-3e: 0.75em;
+  --spacing-3\.5e: 0.875em;
+  --spacing-4e: 1em;
+  --spacing-5e: 1.25em;
+  --spacing-6e: 1.5em;
+  --spacing-7e: 1.75em;
+  --spacing-8e: 2em;
+  --spacing-9e: 2.25em;
+  --spacing-10e: 2.5em;
+  --spacing-11e: 2.75em;
+  --spacing-12e: 3em;
+  --spacing-14e: 3.5em;
+  --spacing-16e: 4em;
+  --spacing-20e: 5em;
+  --spacing-24e: 6em;
+  --spacing-28e: 7em;
+  --spacing-32e: 8em;
+  --spacing-36e: 9em;
+  --spacing-40e: 10em;
+  --spacing-44e: 11em;
+  --spacing-48e: 12em;
+  --spacing-52e: 13em;
+  --spacing-56e: 14em;
+  --spacing-60e: 15em;
+  --spacing-64e: 16em;
+  --spacing-72e: 18em;
+  --spacing-80e: 20em;
+  --spacing-96e: 24em;
+
+  --color-bg: #373838;
+  --color-primary: #232323;
+  --color-accent: #1ad691;
+  --color-error: #ff5252;
+  --color-info: #2196f3;
+  --color-success: #4caf50;
+  --color-warning: #fb8c00;
+  --color-darkgreen: rgb(34, 127, 35);
+  --color-black-50: #bbbbbb;
+  --color-black-100: #666666;
+  --color-black-200: #555555;
+  --color-black-300: #444444;
+  --color-black-400: #333333;
+  --color-black-500: #222222;
+  --color-black-600: #111111;
+  --color-black-700: #101010;
+
+  --font-sans: 'Source Sans Pro';
+  --font-mono: 'Ubuntu Mono';
+
+  --text-xxs: 0.625rem;
+  --text-1\.5xl: 1.375rem;
+  --text-2\.5xl: 1.6875rem;
+  --text-4\.5xl: 2.625rem;
+}
diff --git a/client/components/app/Appbar.vue b/client/components/app/Appbar.vue
index d40794c3..f7413404 100644
--- a/client/components/app/Appbar.vue
+++ b/client/components/app/Appbar.vue
@@ -13,10 +13,10 @@
         <ui-libraries-dropdown class="mr-2" />
 
         <controls-global-search v-if="currentLibrary" class="mr-1 sm:mr-0" />
-        <div class="flex-grow" />
+        <div class="grow" />
 
         <ui-tooltip v-if="isChromecastInitialized && !isHttps" direction="bottom" text="Casting requires a secure connection" class="flex items-center">
-          <span class="material-symbols text-2xl text-warning text-opacity-50"> cast </span>
+          <span class="material-symbols text-2xl text-warning/50"> cast </span>
         </ui-tooltip>
         <div v-if="isChromecastInitialized" class="w-6 min-w-6 h-6 ml-2 mr-1 sm:mx-2 cursor-pointer">
           <google-cast-launcher></google-cast-launcher>
@@ -42,7 +42,7 @@
           </ui-tooltip>
         </nuxt-link>
 
-        <nuxt-link to="/account" class="relative w-9 h-9 md:w-32 bg-fg border border-gray-500 rounded shadow-sm ml-1.5 sm:ml-3 md:ml-5 md:pl-3 md:pr-10 py-2 text-left sm:text-sm cursor-pointer hover:bg-bg hover:bg-opacity-40" aria-haspopup="listbox" aria-expanded="true">
+        <nuxt-link to="/account" class="relative w-9 h-9 md:w-32 bg-fg border border-gray-500 rounded-sm shadow-xs ml-1.5 sm:ml-3 md:ml-5 md:pl-3 md:pr-10 py-2 text-left sm:text-sm cursor-pointer hover:bg-bg/40" aria-haspopup="listbox" aria-expanded="true">
           <span class="items-center hidden md:flex">
             <span class="block truncate">{{ username }}</span>
           </span>
@@ -53,8 +53,8 @@
       </div>
       <div v-show="numMediaItemsSelected" class="absolute top-0 left-0 w-full h-full px-4 bg-primary flex items-center">
         <h1 class="text-lg md:text-2xl px-4">{{ $getString('MessageItemsSelected', [numMediaItemsSelected]) }}</h1>
-        <div class="flex-grow" />
-        <ui-btn v-if="!isPodcastLibrary && selectedMediaItemsArePlayable" color="success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="playSelectedItems">
+        <div class="grow" />
+        <ui-btn v-if="!isPodcastLibrary && selectedMediaItemsArePlayable" color="bg-success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="playSelectedItems">
           <span class="material-symbols fill text-2xl -ml-2 pr-1 text-white">play_arrow</span>
           {{ $strings.ButtonPlay }}
         </ui-btn>
@@ -66,11 +66,11 @@
         </ui-tooltip>
         <template v-if="userCanUpdate">
           <ui-tooltip :text="$strings.LabelEdit" direction="bottom">
-            <ui-icon-btn :disabled="processingBatch" icon="edit" bg-color="warning" class="mx-1.5" @click="batchEditClick" />
+            <ui-icon-btn :disabled="processingBatch" icon="edit" bg-color="bg-warning" class="mx-1.5" @click="batchEditClick" />
           </ui-tooltip>
         </template>
         <ui-tooltip v-if="userCanDelete" :text="$strings.ButtonRemove" direction="bottom">
-          <ui-icon-btn :disabled="processingBatch" icon="delete" bg-color="error" class="mx-1.5" @click="batchDeleteClick" />
+          <ui-icon-btn :disabled="processingBatch" icon="delete" bg-color="bg-error" class="mx-1.5" @click="batchDeleteClick" />
         </ui-tooltip>
 
         <ui-context-menu-dropdown v-if="contextMenuItems.length && !processingBatch" :items="contextMenuItems" class="ml-1" @action="contextMenuAction" />
diff --git a/client/components/app/BookShelfCategorized.vue b/client/components/app/BookShelfCategorized.vue
index 94b2e4ba..8c680462 100644
--- a/client/components/app/BookShelfCategorized.vue
+++ b/client/components/app/BookShelfCategorized.vue
@@ -6,8 +6,8 @@
     <div v-if="loaded && !shelves.length && !search" class="w-full flex flex-col items-center justify-center py-12">
       <p class="text-center text-2xl mb-4 py-4">{{ $getString('MessageXLibraryIsEmpty', [libraryName]) }}</p>
       <div v-if="userIsAdminOrUp" class="flex">
-        <ui-btn to="/config" color="primary" class="w-52 mr-2">{{ $strings.ButtonConfigureScanner }}</ui-btn>
-        <ui-btn color="success" class="w-52" :loading="isScanningLibrary || tempIsScanning" @click="scan">{{ $strings.ButtonScanLibrary }}</ui-btn>
+        <ui-btn to="/config" color="bg-primary" class="w-52 mr-2">{{ $strings.ButtonConfigureScanner }}</ui-btn>
+        <ui-btn color="bg-success" class="w-52" :loading="isScanningLibrary || tempIsScanning" @click="scan">{{ $strings.ButtonScanLibrary }}</ui-btn>
       </div>
     </div>
     <div v-else-if="loaded && !shelves.length && search" class="w-full h-40 flex items-center justify-center">
diff --git a/client/components/app/BookShelfRow.vue b/client/components/app/BookShelfRow.vue
index 97d64d86..082f9fe3 100644
--- a/client/components/app/BookShelfRow.vue
+++ b/client/components/app/BookShelfRow.vue
@@ -36,7 +36,7 @@
     </div>
     <div class="relative">
       <div class="relative text-center categoryPlacard transform z-30 top-0 left-4e md:left-8e w-44e rounded-md">
-        <div class="w-full h-full shinyBlack flex items-center justify-center rounded-sm border" :style="{ padding: `0em 0.5em` }">
+        <div class="w-full h-full shinyBlack flex items-center justify-center rounded-xs border" :style="{ padding: `0em 0.5em` }">
           <h2 :style="{ fontSize: 0.9 + 'em' }">{{ $strings[shelf.labelStringKey] }}</h2>
         </div>
       </div>
diff --git a/client/components/app/BookShelfToolbar.vue b/client/components/app/BookShelfToolbar.vue
index 74157b18..01ab4fa7 100644
--- a/client/components/app/BookShelfToolbar.vue
+++ b/client/components/app/BookShelfToolbar.vue
@@ -1,36 +1,36 @@
 <template>
   <div class="w-full h-20 md:h-10 relative">
     <div class="flex md:hidden h-10 items-center">
-      <nuxt-link :to="`/library/${currentLibraryId}`" class="flex-grow h-full flex justify-center items-center" :class="isHomePage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link :to="`/library/${currentLibraryId}`" class="grow h-full flex justify-center items-center" :class="isHomePage ? 'bg-primary/80' : 'bg-primary/40'">
         <p v-if="isHomePage || isPodcastLibrary" class="text-sm">{{ $strings.ButtonHome }}</p>
         <svg v-else xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
         </svg>
       </nuxt-link>
-      <nuxt-link :to="`/library/${currentLibraryId}/bookshelf`" class="flex-grow h-full flex justify-center items-center" :class="isLibraryPage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link :to="`/library/${currentLibraryId}/bookshelf`" class="grow h-full flex justify-center items-center" :class="isLibraryPage ? 'bg-primary/80' : 'bg-primary/40'">
         <p v-if="isLibraryPage || isPodcastLibrary" class="text-sm">{{ $strings.ButtonLibrary }}</p>
         <svg v-else xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253" />
         </svg>
       </nuxt-link>
-      <nuxt-link v-if="isPodcastLibrary" :to="`/library/${currentLibraryId}/podcast/latest`" class="flex-grow h-full flex justify-center items-center" :class="isPodcastLatestPage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link v-if="isPodcastLibrary" :to="`/library/${currentLibraryId}/podcast/latest`" class="grow h-full flex justify-center items-center" :class="isPodcastLatestPage ? 'bg-primary/80' : 'bg-primary/40'">
         <p class="text-sm">{{ $strings.ButtonLatest }}</p>
       </nuxt-link>
-      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/series`" class="flex-grow h-full flex justify-center items-center" :class="isSeriesPage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/series`" class="grow h-full flex justify-center items-center" :class="isSeriesPage ? 'bg-primary/80' : 'bg-primary/40'">
         <p v-if="isSeriesPage" class="text-sm">{{ $strings.ButtonSeries }}</p>
         <svg v-else xmlns="http://www.w3.org/2000/svg" class="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 17V7m0 10a2 2 0 01-2 2H5a2 2 0 01-2-2V7a2 2 0 012-2h2a2 2 0 012 2m0 10a2 2 0 002 2h2a2 2 0 002-2M9 7a2 2 0 012-2h2a2 2 0 012 2m0 10V7m0 10a2 2 0 002 2h2a2 2 0 002-2V7a2 2 0 00-2-2h-2a2 2 0 00-2 2" />
         </svg>
       </nuxt-link>
-      <nuxt-link v-if="showPlaylists" :to="`/library/${currentLibraryId}/bookshelf/playlists`" class="flex-grow h-full flex justify-center items-center" :class="isPlaylistsPage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link v-if="showPlaylists" :to="`/library/${currentLibraryId}/bookshelf/playlists`" class="grow h-full flex justify-center items-center" :class="isPlaylistsPage ? 'bg-primary/80' : 'bg-primary/40'">
         <p v-if="isPlaylistsPage || isPodcastLibrary" class="text-sm">{{ $strings.ButtonPlaylists }}</p>
         <span v-else class="material-symbols text-lg">&#xe03d;</span>
       </nuxt-link>
-      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/collections`" class="flex-grow h-full flex justify-center items-center" :class="isCollectionsPage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/collections`" class="grow h-full flex justify-center items-center" :class="isCollectionsPage ? 'bg-primary/80' : 'bg-primary/40'">
         <p v-if="isCollectionsPage" class="text-sm">{{ $strings.ButtonCollections }}</p>
         <span v-else class="material-symbols text-lg">&#xe431;</span>
       </nuxt-link>
-      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/authors`" class="flex-grow h-full flex justify-center items-center" :class="isAuthorsPage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/authors`" class="grow h-full flex justify-center items-center" :class="isAuthorsPage ? 'bg-primary/80' : 'bg-primary/40'">
         <p v-if="isAuthorsPage" class="text-sm">{{ $strings.ButtonAuthors }}</p>
         <svg v-else class="w-5 h-5" viewBox="0 0 24 24">
           <path
@@ -39,10 +39,10 @@
           />
         </svg>
       </nuxt-link>
-      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/search`" class="flex-grow h-full flex justify-center items-center" :class="isPodcastSearchPage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/search`" class="grow h-full flex justify-center items-center" :class="isPodcastSearchPage ? 'bg-primary/80' : 'bg-primary/40'">
         <p class="text-sm">{{ $strings.ButtonAdd }}</p>
       </nuxt-link>
-      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/download-queue`" class="flex-grow h-full flex justify-center items-center" :class="isPodcastDownloadQueuePage ? 'bg-primary bg-opacity-80' : 'bg-primary bg-opacity-40'">
+      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/download-queue`" class="grow h-full flex justify-center items-center" :class="isPodcastDownloadQueuePage ? 'bg-primary/80' : 'bg-primary/40'">
         <p class="text-sm">{{ $strings.ButtonDownloadQueue }}</p>
       </nuxt-link>
     </div>
@@ -52,14 +52,14 @@
         <p class="pl-2 text-base md:text-lg">
           {{ seriesName }}
         </p>
-        <div class="w-6 h-6 rounded-full bg-black bg-opacity-30 flex items-center justify-center ml-3">
+        <div class="w-6 h-6 rounded-full bg-black/30 flex items-center justify-center ml-3">
           <span class="font-mono">{{ $formatNumber(numShowing) }}</span>
         </div>
-        <div class="flex-grow" />
+        <div class="grow" />
 
         <!-- RSS feed -->
         <ui-tooltip v-if="seriesRssFeed" :text="$strings.LabelOpenRSSFeed" direction="top">
-          <ui-icon-btn icon="rss_feed" class="mx-0.5" :size="7" icon-font-size="1.2rem" bg-color="success" outlined @click="showOpenSeriesRSSFeed" />
+          <ui-icon-btn icon="rss_feed" class="mx-0.5" :size="7" icon-font-size="1.2rem" bg-color="bg-success" outlined @click="showOpenSeriesRSSFeed" />
         </ui-tooltip>
 
         <ui-context-menu-dropdown v-if="!isBatchSelecting && seriesContextMenuItems.length" :items="seriesContextMenuItems" class="mx-px" @action="seriesContextMenuAction" />
@@ -68,7 +68,7 @@
       <template v-else-if="page !== 'search' && page !== 'podcast-search' && page !== 'recent-episodes' && !isHome && !isAuthorsPage">
         <p class="hidden md:block">{{ $formatNumber(numShowing) }} {{ entityName }}</p>
 
-        <div class="flex-grow hidden sm:inline-block" />
+        <div class="grow hidden sm:inline-block" />
 
         <!-- library filter select -->
         <controls-library-filter-select v-if="isLibraryPage && !isBatchSelecting" v-model="settings.filterBy" class="w-36 sm:w-44 md:w-48 h-7.5 ml-1 sm:ml-4" @change="updateFilter" />
@@ -83,30 +83,30 @@
         <controls-sort-select v-if="isSeriesPage && !isBatchSelecting" v-model="settings.seriesSortBy" :descending.sync="settings.seriesSortDesc" :items="seriesSortItems" class="w-36 sm:w-44 md:w-48 h-7.5 ml-1 sm:ml-4" @change="updateSeriesSort" />
 
         <!-- issues page remove all button -->
-        <ui-btn v-if="isIssuesFilter && userCanDelete && !isBatchSelecting" :loading="processingIssues" color="error" small class="ml-4" @click="removeAllIssues">{{ $strings.ButtonRemoveAll }} {{ $formatNumber(numShowing) }} {{ entityName }}</ui-btn>
+        <ui-btn v-if="isIssuesFilter && userCanDelete && !isBatchSelecting" :loading="processingIssues" color="bg-error" small class="ml-4" @click="removeAllIssues">{{ $strings.ButtonRemoveAll }} {{ $formatNumber(numShowing) }} {{ entityName }}</ui-btn>
 
         <ui-context-menu-dropdown v-if="contextMenuItems.length" :items="contextMenuItems" :menu-width="110" class="ml-2" @action="contextMenuAction" />
       </template>
       <!-- search page -->
       <template v-else-if="page === 'search'">
-        <div class="flex-grow" />
+        <div class="grow" />
         <p>{{ $strings.MessageSearchResultsFor }} "{{ searchQuery }}"</p>
-        <div class="flex-grow" />
+        <div class="grow" />
         <ui-context-menu-dropdown v-if="contextMenuItems.length" :items="contextMenuItems" :menu-width="110" class="ml-2" @action="contextMenuAction" />
       </template>
       <!-- authors page -->
       <template v-else-if="isAuthorsPage">
         <p class="hidden md:block">{{ $formatNumber(numShowing) }} {{ entityName }}</p>
 
-        <div class="flex-grow hidden sm:inline-block" />
-        <ui-btn v-if="userCanUpdate && !isBatchSelecting" :loading="processingAuthors" color="primary" small @click="matchAllAuthors">{{ $strings.ButtonMatchAllAuthors }}</ui-btn>
+        <div class="grow hidden sm:inline-block" />
+        <ui-btn v-if="userCanUpdate && !isBatchSelecting" :loading="processingAuthors" color="bg-primary" small @click="matchAllAuthors">{{ $strings.ButtonMatchAllAuthors }}</ui-btn>
 
         <!-- author sort select -->
         <controls-sort-select v-model="settings.authorSortBy" :descending.sync="settings.authorSortDesc" :items="authorSortItems" class="w-36 sm:w-44 md:w-48 h-7.5 ml-1 sm:ml-4" @change="updateAuthorSort" />
       </template>
       <!-- home page -->
       <template v-else-if="isHome">
-        <div class="flex-grow" />
+        <div class="grow" />
         <ui-context-menu-dropdown v-if="contextMenuItems.length" :items="contextMenuItems" :menu-width="110" class="ml-2" @action="contextMenuAction" />
       </template>
     </div>
diff --git a/client/components/app/ConfigSideNav.vue b/client/components/app/ConfigSideNav.vue
index b42a560e..50fa7a06 100644
--- a/client/components/app/ConfigSideNav.vue
+++ b/client/components/app/ConfigSideNav.vue
@@ -1,11 +1,11 @@
 <template>
   <div role="toolbar" aria-orientation="vertical" aria-label="Config Sidebar">
-    <div role="navigation" aria-label="Config Navigation" class="w-44 fixed left-0 top-16 bg-bg bg-opacity-100 md:bg-opacity-70 shadow-lg border-r border-white border-opacity-5 py-3 transform transition-transform mb-12 overflow-y-auto" :class="wrapperClass + ' ' + (streamLibraryItem ? 'h-[calc(100%-270px)]' : 'h-[calc(100%-110px)]')" v-click-outside="clickOutside">
+    <div role="navigation" aria-label="Config Navigation" class="w-44 fixed left-0 top-16 bg-bg/100 md:bg-bg/70 shadow-lg border-r border-white/5 py-3 transform transition-transform mb-12 overflow-y-auto" :class="wrapperClass + ' ' + (streamLibraryItem ? 'h-[calc(100%-270px)]' : 'h-[calc(100%-110px)]')" v-click-outside="clickOutside">
       <div v-show="isMobilePortrait" class="flex items-center justify-end pb-2 px-4 mb-1" @click="closeDrawer">
         <span class="material-symbols text-2xl">arrow_back</span>
       </div>
 
-      <nuxt-link v-for="route in configRoutes" :key="route.id" :to="route.path" class="w-full px-3 h-12 border-b border-primary border-opacity-30 flex items-center cursor-pointer relative" :class="routeName === route.id ? 'bg-primary bg-opacity-70' : 'hover:bg-primary hover:bg-opacity-30'">
+      <nuxt-link v-for="route in configRoutes" :key="route.id" :to="route.path" class="w-full px-3 h-12 border-b border-primary/30 flex items-center cursor-pointer relative" :class="routeName === route.id ? 'bg-primary/70' : 'hover:bg-primary/30'">
         <p class="leading-4">{{ route.title }}</p>
         <div v-show="routeName === route.iod" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
@@ -13,7 +13,7 @@
       <modals-changelog-view-modal v-model="showChangelogModal" :versionData="versionData" />
     </div>
 
-    <div class="w-44 h-12 px-4 border-t bg-bg border-black border-opacity-20 fixed left-0 flex flex-col justify-center" :class="wrapperClass" :style="{ bottom: streamLibraryItem ? '160px' : '0px' }">
+    <div class="w-44 h-12 px-4 border-t bg-bg border-black/20 fixed left-0 flex flex-col justify-center" :class="wrapperClass" :style="{ bottom: streamLibraryItem ? '160px' : '0px' }">
       <div class="flex items-center justify-between">
         <button type="button" class="underline font-mono text-sm" @click="clickChangelog">v{{ $config.version }}</button>
 
diff --git a/client/components/app/LazyBookshelf.vue b/client/components/app/LazyBookshelf.vue
index f5601a95..61331fb9 100644
--- a/client/components/app/LazyBookshelf.vue
+++ b/client/components/app/LazyBookshelf.vue
@@ -4,7 +4,7 @@
       <div :key="shelf" :id="`shelf-${shelf - 1}`" class="w-full px-4e sm:px-8e relative" :class="{ bookshelfRow: !isAlternativeBookshelfView }" :style="{ height: shelfHeight + 'px' }">
         <!-- Card skeletons -->
         <template v-for="entityIndex in entitiesInShelf(shelf)">
-          <div :key="entityIndex" class="w-full h-full absolute rounded z-5 top-0 left-0 bg-primary box-shadow-book" :style="{ transform: entityTransform(entityIndex), width: cardWidth + 'px', height: coverHeight + 'px' }" />
+          <div :key="entityIndex" class="w-full h-full absolute rounded-sm z-5 top-0 left-0 bg-primary box-shadow-book" :style="{ transform: entityTransform(entityIndex), width: cardWidth + 'px', height: coverHeight + 'px' }" />
         </template>
         <div v-if="!isAlternativeBookshelfView" class="bookshelfDivider w-full absolute bottom-0 left-0 right-0 z-20 h-6e" />
       </div>
@@ -13,8 +13,8 @@
     <div v-if="initialized && !totalShelves && !hasFilter && entityName === 'items'" class="w-full flex flex-col items-center justify-center py-12">
       <p class="text-center text-2xl mb-4 py-4">{{ $getString('MessageXLibraryIsEmpty', [libraryName]) }}</p>
       <div v-if="userIsAdminOrUp" class="flex">
-        <ui-btn to="/config" color="primary" class="w-52 mr-2">{{ $strings.ButtonConfigureScanner }}</ui-btn>
-        <ui-btn color="success" class="w-52" :loading="isScanningLibrary || tempIsScanning" @click="scan">{{ $strings.ButtonScanLibrary }}</ui-btn>
+        <ui-btn to="/config" color="bg-primary" class="w-52 mr-2">{{ $strings.ButtonConfigureScanner }}</ui-btn>
+        <ui-btn color="bg-success" class="w-52" :loading="isScanningLibrary || tempIsScanning" @click="scan">{{ $strings.ButtonScanLibrary }}</ui-btn>
       </div>
     </div>
     <div v-else-if="!totalShelves && initialized" class="w-full py-16">
@@ -29,7 +29,7 @@
       </div>
       <!-- Clear filter only available on Library bookshelf -->
       <div v-if="entityName === 'items'" class="flex justify-center mt-2">
-        <ui-btn v-if="hasFilter" color="primary" @click="clearFilter">{{ $strings.ButtonClearFilter }}</ui-btn>
+        <ui-btn v-if="hasFilter" color="bg-primary" @click="clearFilter">{{ $strings.ButtonClearFilter }}</ui-btn>
       </div>
     </div>
 
diff --git a/client/components/app/MediaPlayerContainer.vue b/client/components/app/MediaPlayerContainer.vue
index 962ec2e8..ee47165a 100644
--- a/client/components/app/MediaPlayerContainer.vue
+++ b/client/components/app/MediaPlayerContainer.vue
@@ -25,7 +25,7 @@
           <p class="font-mono text-xs sm:text-sm pl-1 sm:pl-1.5 pb-px">{{ totalDurationPretty }}</p>
         </div>
       </div>
-      <div class="flex-grow" />
+      <div class="grow" />
       <ui-tooltip direction="top" :text="$strings.LabelClosePlayer">
         <button :aria-label="$strings.LabelClosePlayer" class="material-symbols sm:px-2 py-1 lg:p-4 cursor-pointer text-xl sm:text-2xl" @click="closePlayer">close</button>
       </ui-tooltip>
diff --git a/client/components/app/SettingsContent.vue b/client/components/app/SettingsContent.vue
index 40b0c02f..ffe0c8d0 100644
--- a/client/components/app/SettingsContent.vue
+++ b/client/components/app/SettingsContent.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-2 sm:p-4 mb-8">
+  <div class="bg-bg rounded-md shadow-lg border border-white/5 p-2 sm:p-4 mb-8">
     <div class="flex items-center mb-2">
       <slot name="header-prefix"></slot>
       <h1 class="text-xl">{{ headerText }}</h1>
@@ -39,4 +39,4 @@ export default {
   color: white;
   padding: 2px 4px;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/client/components/app/SideRail.vue b/client/components/app/SideRail.vue
index 2c6fd5a2..2b05ef36 100644
--- a/client/components/app/SideRail.vue
+++ b/client/components/app/SideRail.vue
@@ -4,7 +4,7 @@
     <div v-if="isShowingBookshelfToolbar" class="absolute top-0 -right-4 w-4 bg-bg h-10 pointer-events-none" />
 
     <div id="siderail-buttons-container" role="navigation" aria-label="Library Navigation" :class="{ 'player-open': streamLibraryItem }" class="w-full overflow-y-auto overflow-x-hidden">
-      <nuxt-link :to="`/library/${currentLibraryId}`" class="w-full h-20 flex flex-col items-center justify-center text-white border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="homePage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link :to="`/library/${currentLibraryId}`" class="w-full h-20 flex flex-col items-center justify-center text-white border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="homePage ? 'bg-primary/80' : 'bg-bg/60'">
         <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 12l2-2m0 0l7-7 7 7M5 10v10a1 1 0 001 1h3m10-11l2 2m-2-2v10a1 1 0 01-1 1h-3m-6 0a1 1 0 001-1v-4a1 1 0 011-1h2a1 1 0 011 1v4a1 1 0 001 1m-6 0h6" />
         </svg>
@@ -14,7 +14,7 @@
         <div v-show="homePage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isPodcastLibrary" :to="`/library/${currentLibraryId}/podcast/latest`" class="w-full h-20 flex flex-col items-center justify-center text-white border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isPodcastLatestPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isPodcastLibrary" :to="`/library/${currentLibraryId}/podcast/latest`" class="w-full h-20 flex flex-col items-center justify-center text-white border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isPodcastLatestPage ? 'bg-primary/80' : 'bg-bg/60'">
         <span class="material-symbols text-2xl">&#xe241;</span>
 
         <p class="pt-1 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonLatest }}</p>
@@ -22,7 +22,7 @@
         <div v-show="isPodcastLatestPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link :to="`/library/${currentLibraryId}/bookshelf`" class="w-full h-20 flex flex-col items-center justify-center text-white border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="showLibrary ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link :to="`/library/${currentLibraryId}/bookshelf`" class="w-full h-20 flex flex-col items-center justify-center text-white border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="showLibrary ? 'bg-primary/80' : 'bg-bg/60'">
         <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253" />
         </svg>
@@ -32,7 +32,7 @@
         <div v-show="showLibrary" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/series`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isSeriesPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/series`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isSeriesPage ? 'bg-primary/80' : 'bg-bg/60'">
         <svg xmlns="http://www.w3.org/2000/svg" class="h-6 w-6" fill="none" viewBox="0 0 24 24" stroke="currentColor">
           <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 17V7m0 10a2 2 0 01-2 2H5a2 2 0 01-2-2V7a2 2 0 012-2h2a2 2 0 012 2m0 10a2 2 0 002 2h2a2 2 0 002-2M9 7a2 2 0 012-2h2a2 2 0 012 2m0 10V7m0 10a2 2 0 002 2h2a2 2 0 002-2V7a2 2 0 00-2-2h-2a2 2 0 00-2 2" />
         </svg>
@@ -42,7 +42,7 @@
         <div v-show="isSeriesPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/collections`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="paramId === 'collections' ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/collections`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="paramId === 'collections' ? 'bg-primary/80' : 'bg-bg/60'">
         <span class="material-symbols text-2xl">&#xe431;</span>
 
         <p class="pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonCollections }}</p>
@@ -50,7 +50,7 @@
         <div v-show="paramId === 'collections'" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="showPlaylists" :to="`/library/${currentLibraryId}/bookshelf/playlists`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isPlaylistsPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="showPlaylists" :to="`/library/${currentLibraryId}/bookshelf/playlists`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isPlaylistsPage ? 'bg-primary/80' : 'bg-bg/60'">
         <span class="material-symbols text-2.5xl">&#xe03d;</span>
 
         <p class="pt-0.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonPlaylists }}</p>
@@ -58,7 +58,7 @@
         <div v-show="isPlaylistsPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/authors`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isAuthorsPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/bookshelf/authors`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isAuthorsPage ? 'bg-primary/80' : 'bg-bg/60'">
         <svg class="w-6 h-6" viewBox="0 0 24 24">
           <path
             fill="currentColor"
@@ -71,7 +71,7 @@
         <div v-show="isAuthorsPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/narrators`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isNarratorsPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isBookLibrary" :to="`/library/${currentLibraryId}/narrators`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isNarratorsPage ? 'bg-primary/80' : 'bg-bg/60'">
         <span class="material-symbols text-2xl">&#xe91f;</span>
 
         <p class="pt-1 text-center leading-4" style="font-size: 0.9rem">{{ $strings.LabelNarrators }}</p>
@@ -79,7 +79,7 @@
         <div v-show="isNarratorsPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isBookLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/stats`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isStatsPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isBookLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/stats`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isStatsPage ? 'bg-primary/80' : 'bg-bg/60'">
         <span class="material-symbols text-2xl">&#xf190;</span>
 
         <p class="pt-1 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonStats }}</p>
@@ -87,7 +87,7 @@
         <div v-show="isStatsPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/search`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isPodcastSearchPage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/search`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isPodcastSearchPage ? 'bg-primary/80' : 'bg-bg/60'">
         <span class="abs-icons icon-podcast text-xl"></span>
 
         <p class="pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonAdd }}</p>
@@ -95,7 +95,7 @@
         <div v-show="isPodcastSearchPage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/download-queue`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-primary cursor-pointer relative" :class="isPodcastDownloadQueuePage ? 'bg-primary bg-opacity-80' : 'bg-bg bg-opacity-60'">
+      <nuxt-link v-if="isPodcastLibrary && userIsAdminOrUp" :to="`/library/${currentLibraryId}/podcast/download-queue`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-primary cursor-pointer relative" :class="isPodcastDownloadQueuePage ? 'bg-primary/80' : 'bg-bg/60'">
         <span class="material-symbols text-2xl">&#xf090;</span>
 
         <p class="pt-1.5 text-center leading-4" style="font-size: 0.9rem">{{ $strings.ButtonDownloadQueue }}</p>
@@ -103,13 +103,13 @@
         <div v-show="isPodcastDownloadQueuePage" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
       </nuxt-link>
 
-      <nuxt-link v-if="numIssues" :to="`/library/${currentLibraryId}/bookshelf?filter=issues`" class="w-full h-20 flex flex-col items-center justify-center text-white text-opacity-80 border-b border-primary border-opacity-70 hover:bg-opacity-40 cursor-pointer relative" :class="showingIssues ? 'bg-error bg-opacity-40' : 'bg-error bg-opacity-20'">
+      <nuxt-link v-if="numIssues" :to="`/library/${currentLibraryId}/bookshelf?filter=issues`" class="w-full h-20 flex flex-col items-center justify-center text-white/80 border-b border-primary/70 hover:bg-error/40 cursor-pointer relative" :class="showingIssues ? 'bg-error/40' : 'bg-error/20'">
         <span class="material-symbols text-2xl">warning</span>
 
         <p class="pt-1.5 text-center leading-4" style="font-size: 1rem">{{ $strings.ButtonIssues }}</p>
 
         <div v-show="showingIssues" class="h-full w-0.5 bg-yellow-400 absolute top-0 left-0" />
-        <div class="absolute top-1 right-1 w-4 h-4 rounded-full bg-white bg-opacity-30 flex items-center justify-center">
+        <div class="absolute top-1 right-1 w-4 h-4 rounded-full bg-white/30 flex items-center justify-center">
           <p class="text-xs font-mono pb-0.5">{{ numIssues }}</p>
         </div>
       </nuxt-link>
diff --git a/client/components/cards/AuthorCard.vue b/client/components/cards/AuthorCard.vue
index 27e67725..82645c57 100644
--- a/client/components/cards/AuthorCard.vue
+++ b/client/components/cards/AuthorCard.vue
@@ -7,7 +7,7 @@
           <covers-author-image :author="author" />
 
           <!-- Author name & num books overlay -->
-          <div cy-id="textInline" v-show="!searching && !nameBelow" class="absolute bottom-0 left-0 w-full py-1e bg-black bg-opacity-60 px-2e">
+          <div cy-id="textInline" v-show="!searching && !nameBelow" class="absolute bottom-0 left-0 w-full py-1e bg-black/60 px-2e">
             <p class="text-center font-semibold truncate" :style="{ fontSize: 0.75 + 'em' }">{{ name }}</p>
             <p class="text-center text-gray-200" :style="{ fontSize: 0.65 + 'em' }">{{ numBooks }} {{ $strings.LabelBooks }}</p>
           </div>
@@ -25,7 +25,7 @@
           </div>
 
           <!-- Loading spinner -->
-          <div cy-id="spinner" v-show="searching" class="absolute top-0 left-0 z-10 w-full h-full bg-black bg-opacity-50 flex items-center justify-center">
+          <div cy-id="spinner" v-show="searching" class="absolute top-0 left-0 z-10 w-full h-full bg-black/50 flex items-center justify-center">
             <widgets-loading-spinner size="" />
           </div>
         </div>
diff --git a/client/components/cards/AuthorSearchCard.vue b/client/components/cards/AuthorSearchCard.vue
index f3693a5a..dba770fb 100644
--- a/client/components/cards/AuthorSearchCard.vue
+++ b/client/components/cards/AuthorSearchCard.vue
@@ -1,9 +1,9 @@
 <template>
   <div class="flex h-full px-1 overflow-hidden">
-    <div class="overflow-hidden bg-primary rounded" style="height: 50px; width: 40px">
+    <div class="overflow-hidden bg-primary rounded-sm" style="height: 50px; width: 40px">
       <covers-author-image :author="author" />
     </div>
-    <div class="flex-grow px-2 authorSearchCardContent h-full">
+    <div class="grow px-2 authorSearchCardContent h-full">
       <p class="truncate text-sm">{{ name }}</p>
       <p class="text-xs text-gray-400">{{ $getString('LabelXBooks', [numBooks]) }}</p>
     </div>
diff --git a/client/components/cards/BookMatchCard.vue b/client/components/cards/BookMatchCard.vue
index 4fa24c1f..87aa0a71 100644
--- a/client/components/cards/BookMatchCard.vue
+++ b/client/components/cards/BookMatchCard.vue
@@ -1,23 +1,23 @@
 <template>
   <div v-if="book" class="w-full border-b border-gray-700 pb-2">
-    <div class="flex py-1 hover:bg-gray-300 hover:bg-opacity-10 cursor-pointer" @click="selectMatch">
+    <div class="flex py-1 hover:bg-gray-300/10 cursor-pointer" @click="selectMatch">
       <div class="min-w-12 max-w-12 md:min-w-20 md:max-w-20">
         <div class="w-full bg-primary">
           <img v-if="selectedCover" :src="selectedCover" class="h-full w-full object-contain" />
           <div v-else class="w-12 h-12 md:w-20 md:h-20 bg-primary" />
         </div>
       </div>
-      <div v-if="!isPodcast" class="px-2 md:px-4 flex-grow">
+      <div v-if="!isPodcast" class="px-2 md:px-4 grow">
         <div class="flex items-center">
           <h1 class="text-sm md:text-base">{{ book.title }}</h1>
-          <div class="flex-grow" />
+          <div class="grow" />
           <p class="text-sm md:text-base">{{ book.publishedYear }}</p>
         </div>
         <p v-if="book.author" class="text-gray-300 text-xs md:text-sm">{{ $getString('LabelByAuthor', [book.author]) }}</p>
         <p v-if="book.narrator" class="text-gray-400 text-xs">{{ $strings.LabelNarrators }}: {{ book.narrator }}</p>
         <p v-if="book.duration" class="text-gray-400 text-xs">{{ $strings.LabelDuration }}: {{ $elapsedPrettyExtended(bookDuration, false) }} {{ bookDurationComparison }}</p>
         <div v-if="book.series?.length" class="flex py-1 -mx-1">
-          <div v-for="(series, index) in book.series" :key="index" class="bg-white bg-opacity-10 rounded-full px-1 py-0.5 mx-1">
+          <div v-for="(series, index) in book.series" :key="index" class="bg-white/10 rounded-full px-1 py-0.5 mx-1">
             <p class="leading-3 text-xs text-gray-400">
               {{ series.series }}<span v-if="series.sequence">&nbsp;#{{ series.sequence }}</span>
             </p>
@@ -27,7 +27,7 @@
           <p class="text-gray-500 text-xs">{{ book.descriptionPlain }}</p>
         </div>
       </div>
-      <div v-else class="px-4 flex-grow">
+      <div v-else class="px-4 grow">
         <h1>
           <div class="flex items-center">{{ book.title }}<widgets-explicit-indicator v-if="book.explicit" /></div>
         </h1>
diff --git a/client/components/cards/GenreSearchCard.vue b/client/components/cards/GenreSearchCard.vue
index 73e8bbac..20a4fecb 100644
--- a/client/components/cards/GenreSearchCard.vue
+++ b/client/components/cards/GenreSearchCard.vue
@@ -3,7 +3,7 @@
     <div class="w-10 h-10 flex items-center justify-center">
       <span class="material-symbols text-2xl text-gray-200">category</span>
     </div>
-    <div class="flex-grow px-2 tagSearchCardContent h-full">
+    <div class="grow px-2 tagSearchCardContent h-full">
       <p class="truncate text-sm">{{ genre }}</p>
       <p class="text-xs text-gray-400">{{ $getString('LabelXItems', [numItems]) }}</p>
     </div>
diff --git a/client/components/cards/GroupCard.vue b/client/components/cards/GroupCard.vue
index db1ce757..74740d02 100644
--- a/client/components/cards/GroupCard.vue
+++ b/client/components/cards/GroupCard.vue
@@ -1,11 +1,11 @@
 <template>
   <div class="relative">
-    <div class="rounded-sm h-full relative" :style="{ width: cardWidth + 'px', height: cardHeight + 'px' }" @mouseover="mouseoverCard" @mouseleave="mouseleaveCard" @click="clickCard">
+    <div class="rounded-xs h-full relative" :style="{ width: cardWidth + 'px', height: cardHeight + 'px' }" @mouseover="mouseoverCard" @mouseleave="mouseleaveCard" @click="clickCard">
       <nuxt-link :to="groupTo" class="cursor-pointer">
         <div class="w-full h-full relative" :class="isHovering ? 'bg-black-400' : 'bg-primary'">
           <covers-group-cover ref="groupcover" :id="groupEncode" :name="groupName" :type="groupType" :book-items="bookItems" :width="cardWidth" :height="cardHeight" :book-cover-aspect-ratio="bookCoverAspectRatio" />
 
-          <div v-if="hasValidCovers" class="bg-black bg-opacity-60 absolute top-0 left-0 w-full h-full flex items-center justify-center text-center transition-opacity z-30" :class="isHovering ? '' : 'opacity-0'" :style="{ padding: `${sizeMultiplier}rem` }">
+          <div v-if="hasValidCovers" class="bg-black/60 absolute top-0 left-0 w-full h-full flex items-center justify-center text-center transition-opacity z-30" :class="isHovering ? '' : 'opacity-0'" :style="{ padding: `${sizeMultiplier}rem` }">
             <p :style="{ fontSize: 1.2 * sizeMultiplier + 'rem' }">{{ groupName }}</p>
           </div>
 
diff --git a/client/components/cards/ItemSearchCard.vue b/client/components/cards/ItemSearchCard.vue
index ca74f1b7..e4a155a7 100644
--- a/client/components/cards/ItemSearchCard.vue
+++ b/client/components/cards/ItemSearchCard.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="flex items-center h-full px-1 overflow-hidden">
     <covers-book-cover :library-item="libraryItem" :width="coverWidth" :book-cover-aspect-ratio="bookCoverAspectRatio" />
-    <div class="flex-grow px-2 audiobookSearchCardContent">
+    <div class="grow px-2 audiobookSearchCardContent">
       <p class="truncate text-sm">{{ title }}</p>
       <p v-if="subtitle" class="truncate text-xs text-gray-300">{{ subtitle }}</p>
       <p class="text-xs text-gray-200 truncate">{{ $getString('LabelByAuthor', [authorName]) }}</p>
diff --git a/client/components/cards/ItemTaskRunningCard.vue b/client/components/cards/ItemTaskRunningCard.vue
index 12d1b618..f8970d4b 100644
--- a/client/components/cards/ItemTaskRunningCard.vue
+++ b/client/components/cards/ItemTaskRunningCard.vue
@@ -4,7 +4,7 @@
       <span v-if="isFinished" :class="taskIconStatus" class="material-symbols text-base">{{ actionIcon }}</span>
       <widgets-loading-spinner v-else />
     </div>
-    <div class="flex-grow px-2 taskRunningCardContent">
+    <div class="grow px-2 taskRunningCardContent">
       <p class="truncate text-sm">{{ title }}</p>
 
       <p class="truncate text-xs text-gray-300">{{ description }}</p>
@@ -13,7 +13,7 @@
       <p v-if="isFailed && failedMessage" class="text-xs truncate text-red-500">{{ failedMessage }}</p>
       <p v-else-if="!isFinished && cancelingScan" class="text-xs truncate">Canceling...</p>
     </div>
-    <ui-btn v-if="userIsAdminOrUp && !isFinished && isLibraryScan && !cancelingScan" color="primary" :padding-y="1" :padding-x="1" class="text-xs w-16 max-w-16 truncate mr-1" @click.stop="cancelScan">{{ this.$strings.ButtonCancel }}</ui-btn>
+    <ui-btn v-if="userIsAdminOrUp && !isFinished && isLibraryScan && !cancelingScan" color="bg-primary" :padding-y="1" :padding-x="1" class="text-xs w-16 max-w-16 truncate mr-1" @click.stop="cancelScan">{{ this.$strings.ButtonCancel }}</ui-btn>
   </div>
 </template>
 
diff --git a/client/components/cards/ItemUploadCard.vue b/client/components/cards/ItemUploadCard.vue
index 62f0b103..a0188b5a 100644
--- a/client/components/cards/ItemUploadCard.vue
+++ b/client/components/cards/ItemUploadCard.vue
@@ -1,11 +1,11 @@
 <template>
-  <div class="relative w-full py-4 px-6 border border-white border-opacity-10 shadow-lg rounded-md my-6">
-    <div class="absolute -top-3 -left-3 w-8 h-8 bg-bg border border-white border-opacity-10 flex items-center justify-center rounded-full">
-      <p class="text-base text-white text-opacity-80 font-mono">#{{ item.index }}</p>
+  <div class="relative w-full py-4 px-6 border border-white/10 shadow-lg rounded-md my-6">
+    <div class="absolute -top-3 -left-3 w-8 h-8 bg-bg border border-white/10 flex items-center justify-center rounded-full">
+      <p class="text-base text-white/80 font-mono">#{{ item.index }}</p>
     </div>
 
-    <div v-if="!processing && !uploadFailed && !uploadSuccess" class="absolute -top-3 -right-3 w-8 h-8 bg-bg border border-white border-opacity-10 flex items-center justify-center rounded-full hover:bg-error cursor-pointer" @click="$emit('remove')">
-      <span class="text-base text-white text-opacity-80 font-mono material-symbols">close</span>
+    <div v-if="!processing && !uploadFailed && !uploadSuccess" class="absolute -top-3 -right-3 w-8 h-8 bg-bg border border-white/10 flex items-center justify-center rounded-full hover:bg-error cursor-pointer" @click="$emit('remove')">
+      <span class="text-base text-white/80 font-mono material-symbols">close</span>
     </div>
 
     <template v-if="!uploadSuccess && !uploadFailed">
@@ -21,8 +21,8 @@
           <div v-if="!isPodcast" class="flex items-end">
             <ui-text-input-with-label v-model.trim="itemData.author" :disabled="processing" :label="$strings.LabelAuthor" />
             <ui-tooltip :text="$strings.LabelUploaderItemFetchMetadataHelp">
-              <div class="ml-2 mb-1 w-8 h-8 bg-bg border border-white border-opacity-10 flex items-center justify-center rounded-full hover:bg-primary cursor-pointer" @click="fetchMetadata">
-                <span class="text-base text-white text-opacity-80 font-mono material-symbols">sync</span>
+              <div class="ml-2 mb-1 w-8 h-8 bg-bg border border-white/10 flex items-center justify-center rounded-full hover:bg-primary cursor-pointer" @click="fetchMetadata">
+                <span class="text-base text-white/80 font-mono material-symbols">sync</span>
               </div>
             </ui-tooltip>
           </div>
@@ -61,7 +61,7 @@
       <p class="text-base">"{{ itemData.title }}" {{ $strings.MessageUploaderItemFailed }}</p>
     </widgets-alert>
 
-    <div v-if="isNonInteractable" class="absolute top-0 left-0 w-full h-full bg-black bg-opacity-50 flex items-center justify-center z-20">
+    <div v-if="isNonInteractable" class="absolute top-0 left-0 w-full h-full bg-black/50 flex items-center justify-center z-20">
       <ui-loading-indicator :text="nonInteractionLabel" />
     </div>
   </div>
diff --git a/client/components/cards/LazyAlbumCard.vue b/client/components/cards/LazyAlbumCard.vue
index 86587992..9b722795 100644
--- a/client/components/cards/LazyAlbumCard.vue
+++ b/client/components/cards/LazyAlbumCard.vue
@@ -1,15 +1,15 @@
 <template>
-  <div ref="card" :id="`album-card-${index}`" :style="{ width: cardWidth + 'px' }" class="absolute top-0 left-0 rounded-sm z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+  <div ref="card" :id="`album-card-${index}`" :style="{ width: cardWidth + 'px' }" class="absolute top-0 left-0 rounded-xs z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
     <div class="relative" :style="{ height: coverHeight + 'px' }">
       <div class="absolute top-0 left-0 w-full box-shadow-book shadow-height" />
-      <div class="w-full h-full bg-primary relative rounded overflow-hidden">
+      <div class="w-full h-full bg-primary relative rounded-sm overflow-hidden">
         <covers-preview-cover ref="cover" :src="coverSrc" :width="cardWidth" :book-cover-aspect-ratio="bookCoverAspectRatio" />
       </div>
     </div>
 
     <div class="relative w-full">
       <div v-if="!isAlternativeBookshelfView" class="categoryPlacard absolute z-30 left-0 right-0 mx-auto -bottom-6e h-6e rounded-md text-center" :style="{ width: Math.min(200, cardWidth) + 'px' }">
-        <div class="w-full h-full shinyBlack flex items-center justify-center rounded-sm border" :style="{ padding: `0em ${0.5}em` }">
+        <div class="w-full h-full shinyBlack flex items-center justify-center rounded-xs border" :style="{ padding: `0em ${0.5}em` }">
           <p class="truncate" :style="{ fontSize: labelFontSize + 'em' }">{{ title }}</p>
         </div>
       </div>
diff --git a/client/components/cards/LazyBookCard.vue b/client/components/cards/LazyBookCard.vue
index d506a1b7..e9ad8c8d 100644
--- a/client/components/cards/LazyBookCard.vue
+++ b/client/components/cards/LazyBookCard.vue
@@ -1,19 +1,19 @@
 <template>
-  <div ref="card" :id="`book-card-${index}`" tabindex="0" :style="{ minWidth: coverWidth + 'px', maxWidth: coverWidth + 'px' }" class="absolute rounded-sm z-10 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
-    <div :id="`cover-area-${index}`" class="relative w-full top-0 left-0 rounded overflow-hidden z-10 bg-primary box-shadow-book" :style="{ height: coverHeight + 'px ' }">
+  <div ref="card" :id="`book-card-${index}`" tabindex="0" :style="{ minWidth: coverWidth + 'px', maxWidth: coverWidth + 'px' }" class="absolute rounded-xs z-10 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+    <div :id="`cover-area-${index}`" class="relative w-full top-0 left-0 rounded-sm overflow-hidden z-10 bg-primary box-shadow-book" :style="{ height: coverHeight + 'px ' }">
       <!-- When cover image does not fill -->
-      <div cy-id="coverBg" v-show="showCoverBg" class="absolute top-0 left-0 w-full h-full overflow-hidden rounded-sm bg-primary">
+      <div cy-id="coverBg" v-show="showCoverBg" class="absolute top-0 left-0 w-full h-full overflow-hidden rounded-xs bg-primary">
         <div class="absolute cover-bg" ref="coverBg" />
       </div>
 
-      <div cy-id="seriesSequenceList" v-if="seriesSequenceList" class="absolute rounded-lg bg-black bg-opacity-90 box-shadow-md z-20 text-right" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `0.1em 0.25em` }" style="background-color: #78350f">
+      <div cy-id="seriesSequenceList" v-if="seriesSequenceList" class="absolute rounded-lg bg-black/90 box-shadow-md z-20 text-right" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `0.1em 0.25em` }" style="background-color: #78350f">
         <p :style="{ fontSize: 0.8 + 'em' }">#{{ seriesSequenceList }}</p>
       </div>
-      <div cy-id="booksInSeries" v-else-if="booksInSeries" class="absolute rounded-lg bg-black bg-opacity-90 box-shadow-md z-20" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `0.1em 0.25em` }" style="background-color: #cd9d49dd">
+      <div cy-id="booksInSeries" v-else-if="booksInSeries" class="absolute rounded-lg bg-black/90 box-shadow-md z-20" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `0.1em 0.25em` }" style="background-color: #cd9d49dd">
         <p :style="{ fontSize: 0.8 + 'em' }">{{ booksInSeries }}</p>
       </div>
 
-      <div class="w-full h-full absolute top-0 left-0 rounded overflow-hidden z-10">
+      <div class="w-full h-full absolute top-0 left-0 rounded-sm overflow-hidden z-10">
         <div cy-id="titleImageNotReady" v-show="libraryItem && !imageReady" aria-hidden="true" class="absolute top-0 left-0 w-full h-full flex items-center justify-center" :style="{ padding: 0.5 + 'em' }">
           <p :style="{ fontSize: 0.8 + 'em' }" class="text-gray-300 text-center">{{ title }}</p>
         </div>
@@ -35,7 +35,7 @@
         <div cy-id="progressBar" v-if="!isPodcast || episodeProgress" class="absolute bottom-0 left-0 h-1e max-w-full z-20 rounded-b box-shadow-progressbar" :class="itemIsFinished ? 'bg-success' : 'bg-yellow-400'" :style="{ width: coverWidth * userProgressPercent + 'px' }"></div>
 
         <!-- Overlay is not shown if collapsing series in library -->
-        <div cy-id="overlay" v-show="!booksInSeries && libraryItem && (isHovering || isSelectionMode || isMoreMenuOpen) && !processing" class="w-full h-full absolute top-0 left-0 z-10 bg-black rounded md:block" :class="overlayWrapperClasslist">
+        <div cy-id="overlay" v-show="!booksInSeries && libraryItem && (isHovering || isSelectionMode || isMoreMenuOpen) && !processing" class="w-full h-full absolute top-0 left-0 z-10 bg-black rounded-sm md:block" :class="overlayWrapperClasslist">
           <div cy-id="playButton" v-show="showPlayButton" class="h-full flex items-center justify-center pointer-events-none">
             <div class="hover:text-white text-gray-200 hover:scale-110 transform duration-200 pointer-events-auto" @click.stop.prevent="play">
               <span class="material-symbols fill" :style="{ fontSize: playIconFontSize + 'em' }">play_arrow</span>
@@ -68,12 +68,12 @@
         </div>
 
         <!-- Processing/loading spinner overlay -->
-        <div cy-id="loadingSpinner" v-if="processing" class="w-full h-full absolute top-0 left-0 z-10 bg-black bg-opacity-40 rounded flex items-center justify-center">
+        <div cy-id="loadingSpinner" v-if="processing" class="w-full h-full absolute top-0 left-0 z-10 bg-black/40 rounded-sm flex items-center justify-center">
           <widgets-loading-spinner size="la-lg" />
         </div>
 
         <!-- Series name overlay -->
-        <div cy-id="seriesNameOverlay" v-if="booksInSeries && libraryItem && isHovering" class="w-full h-full absolute top-0 left-0 z-10 bg-black bg-opacity-60 rounded flex items-center justify-center" :style="{ padding: 1 + 'em' }">
+        <div cy-id="seriesNameOverlay" v-if="booksInSeries && libraryItem && isHovering" class="w-full h-full absolute top-0 left-0 z-10 bg-black/60 rounded-sm flex items-center justify-center" :style="{ padding: 1 + 'em' }">
           <p v-if="seriesName" class="text-gray-200 text-center" :style="{ fontSize: 1.1 + 'em' }">{{ seriesName }}</p>
         </div>
 
@@ -94,19 +94,19 @@
         </div>
 
         <!-- Series sequence -->
-        <div cy-id="seriesSequence" v-if="seriesSequence && !isHovering && !isSelectionMode" class="absolute rounded-lg bg-black bg-opacity-90 box-shadow-md z-10" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `${0.1}em ${0.25}em` }">
+        <div cy-id="seriesSequence" v-if="seriesSequence && !isHovering && !isSelectionMode" class="absolute rounded-lg bg-black/90 box-shadow-md z-10" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `${0.1}em ${0.25}em` }">
           <p :style="{ fontSize: 0.8 + 'em' }">#{{ seriesSequence }}</p>
         </div>
 
         <!-- Podcast Episode # -->
-        <div cy-id="podcastEpisodeNumber" v-if="recentEpisodeNumber !== null && !isHovering && !isSelectionMode && !processing" class="absolute rounded-lg bg-black bg-opacity-90 box-shadow-md z-10" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `${0.1}em ${0.25}em` }">
+        <div cy-id="podcastEpisodeNumber" v-if="recentEpisodeNumber !== null && !isHovering && !isSelectionMode && !processing" class="absolute rounded-lg bg-black/90 box-shadow-md z-10" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `${0.1}em ${0.25}em` }">
           <p :style="{ fontSize: 0.8 + 'em' }">
             Episode<span v-if="recentEpisodeNumber"> #{{ recentEpisodeNumber }}</span>
           </p>
         </div>
 
         <!-- Podcast Num Episodes -->
-        <div cy-id="numEpisodes" v-else-if="!numEpisodesIncomplete && numEpisodes && !isHovering && !isSelectionMode" class="absolute rounded-full bg-black bg-opacity-90 box-shadow-md z-10 flex items-center justify-center" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', width: 1.25 + 'em', height: 1.25 + 'em' }">
+        <div cy-id="numEpisodes" v-else-if="!numEpisodesIncomplete && numEpisodes && !isHovering && !isSelectionMode" class="absolute rounded-full bg-black/90 box-shadow-md z-10 flex items-center justify-center" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', width: 1.25 + 'em', height: 1.25 + 'em' }">
           <p :style="{ fontSize: 0.8 + 'em' }" role="status" :aria-label="$strings.LabelNumberOfEpisodes">{{ numEpisodes }}</p>
         </div>
 
@@ -430,8 +430,8 @@ export default {
     },
     overlayWrapperClasslist() {
       const classes = []
-      if (this.isSelectionMode) classes.push('bg-opacity-60')
-      else classes.push('bg-opacity-40')
+      if (this.isSelectionMode) classes.push('bg-black/60')
+      else classes.push('bg-black/40')
       if (this.selected) {
         classes.push('border-2 border-yellow-400')
       }
diff --git a/client/components/cards/LazyCollectionCard.vue b/client/components/cards/LazyCollectionCard.vue
index 0bb7ac6b..65986edc 100644
--- a/client/components/cards/LazyCollectionCard.vue
+++ b/client/components/cards/LazyCollectionCard.vue
@@ -1,13 +1,13 @@
 <template>
-  <div ref="card" :id="`collection-card-${index}`" role="button" :style="{ width: cardWidth + 'px' }" class="absolute top-0 left-0 rounded-sm z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+  <div ref="card" :id="`collection-card-${index}`" role="button" :style="{ width: cardWidth + 'px' }" class="absolute top-0 left-0 rounded-xs z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
     <div class="relative" :style="{ height: coverHeight + 'px' }">
       <div class="absolute top-0 left-0 w-full box-shadow-book shadow-height" />
-      <div class="w-full h-full bg-primary relative rounded overflow-hidden">
+      <div class="w-full h-full bg-primary relative rounded-sm overflow-hidden">
         <covers-collection-cover ref="cover" :book-items="books" :width="cardWidth" :height="coverHeight" :book-cover-aspect-ratio="bookCoverAspectRatio" />
       </div>
-      <div v-show="isHovering && userCanUpdate" class="w-full h-full absolute top-0 left-0 z-10 bg-black bg-opacity-40 pointer-events-none">
+      <div v-show="isHovering && userCanUpdate" class="w-full h-full absolute top-0 left-0 z-10 bg-black/40 pointer-events-none">
         <div class="absolute pointer-events-auto" :style="{ top: 0.5 + 'em', right: 0.5 + 'em' }" @click.stop.prevent="clickEdit">
-          <span class="material-symbols text-white text-opacity-75 hover:text-opacity-100" :style="{ fontSize: 1.25 + 'em' }">edit</span>
+          <span class="material-symbols text-white/75 hover:text-white/100" :style="{ fontSize: 1.25 + 'em' }">edit</span>
         </div>
       </div>
 
@@ -15,7 +15,7 @@
     </div>
 
     <div v-if="!isAlternativeBookshelfView" class="categoryPlacard absolute z-30 left-0 right-0 mx-auto -bottom-6e h-6e rounded-md text-center" :style="{ width: Math.min(200, cardWidth) + 'px' }">
-      <div class="w-full h-full shinyBlack flex items-center justify-center rounded-sm border" :style="{ padding: `0em ${0.5}em` }">
+      <div class="w-full h-full shinyBlack flex items-center justify-center rounded-xs border" :style="{ padding: `0em ${0.5}em` }">
         <p class="truncate" :style="{ fontSize: labelFontSize + 'em' }">{{ title }}</p>
       </div>
     </div>
diff --git a/client/components/cards/LazyPlaylistCard.vue b/client/components/cards/LazyPlaylistCard.vue
index b49ef4b9..af0cd957 100644
--- a/client/components/cards/LazyPlaylistCard.vue
+++ b/client/components/cards/LazyPlaylistCard.vue
@@ -1,19 +1,19 @@
 <template>
-  <div ref="card" :id="`playlist-card-${index}`" role="button" :style="{ width: cardWidth + 'px', fontSize: sizeMultiplier + 'rem' }" class="absolute top-0 left-0 rounded-sm z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+  <div ref="card" :id="`playlist-card-${index}`" role="button" :style="{ width: cardWidth + 'px', fontSize: sizeMultiplier + 'rem' }" class="absolute top-0 left-0 rounded-xs z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
     <div class="relative" :style="{ height: coverHeight + 'px' }">
       <div class="absolute top-0 left-0 w-full box-shadow-book shadow-height" />
-      <div class="w-full h-full bg-primary relative rounded overflow-hidden">
+      <div class="w-full h-full bg-primary relative rounded-sm overflow-hidden">
         <covers-playlist-cover ref="cover" :items="items" :width="cardWidth" :height="coverHeight" />
       </div>
-      <div v-show="isHovering && userCanUpdate" class="w-full h-full absolute top-0 left-0 z-10 bg-black bg-opacity-40 pointer-events-none">
+      <div v-show="isHovering && userCanUpdate" class="w-full h-full absolute top-0 left-0 z-10 bg-black/40 pointer-events-none">
         <div class="absolute pointer-events-auto" :style="{ top: 0.5 + 'em', right: 0.5 + 'em' }" @click.stop.prevent="clickEdit">
-          <span class="material-symbols text-white text-opacity-75 hover:text-opacity-100" :style="{ fontSize: 1.25 + 'em' }">edit</span>
+          <span class="material-symbols text-white/75 hover:text-white/100" :style="{ fontSize: 1.25 + 'em' }">edit</span>
         </div>
       </div>
     </div>
 
     <div v-if="!isAlternativeBookshelfView" class="categoryPlacard absolute z-30 -bottom-6e left-0 right-0 mx-auto h-6e rounded-md text-center" :style="{ width: Math.min(200, width) + 'px' }">
-      <div class="w-full h-full shinyBlack flex items-center justify-center rounded-sm border" :style="{ padding: `0em ${0.5}em` }">
+      <div class="w-full h-full shinyBlack flex items-center justify-center rounded-xs border" :style="{ padding: `0em ${0.5}em` }">
         <p class="truncate" :style="{ fontSize: labelFontSize + 'em' }">{{ title }}</p>
       </div>
     </div>
diff --git a/client/components/cards/LazySeriesCard.vue b/client/components/cards/LazySeriesCard.vue
index f8ae8fd2..3532095b 100644
--- a/client/components/cards/LazySeriesCard.vue
+++ b/client/components/cards/LazySeriesCard.vue
@@ -1,18 +1,18 @@
 <template>
-  <div cy-id="card" ref="card" :id="`series-card-${index}`" tabindex="0" :style="{ width: cardWidth + 'px' }" class="absolute rounded-sm z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
+  <div cy-id="card" ref="card" :id="`series-card-${index}`" tabindex="0" :style="{ width: cardWidth + 'px' }" class="absolute rounded-xs z-30 cursor-pointer" @mousedown.prevent @mouseup.prevent @mousemove.prevent @mouseover="mouseover" @mouseleave="mouseleave" @click="clickCard">
     <div cy-id="covers-area" class="relative" :style="{ height: coverHeight + 'px' }">
       <div class="absolute top-0 left-0 w-full box-shadow-book shadow-height" />
-      <div class="w-full h-full bg-primary relative rounded overflow-hidden z-0">
+      <div class="w-full h-full bg-primary relative rounded-sm overflow-hidden z-0">
         <covers-group-cover v-if="series" ref="cover" :id="seriesId" :name="displayTitle" :book-items="books" :width="cardWidth" :height="coverHeight" :book-cover-aspect-ratio="bookCoverAspectRatio" />
       </div>
 
-      <div cy-id="seriesLengthMarker" class="absolute rounded-lg bg-black bg-opacity-90 box-shadow-md z-20" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `0.1em 0.25em` }" style="background-color: #cd9d49dd">
+      <div cy-id="seriesLengthMarker" class="absolute rounded-lg bg-black/90 box-shadow-md z-20" :style="{ top: 0.375 + 'em', right: 0.375 + 'em', padding: `0.1em 0.25em` }" style="background-color: #cd9d49dd">
         <p :style="{ fontSize: 0.8 + 'em' }" role="status" :aria-label="$strings.LabelNumberOfBooks">{{ books.length }}</p>
       </div>
 
-      <div cy-id="seriesProgressBar" v-if="seriesPercentInProgress > 0" class="absolute bottom-0 left-0 h-1e shadow-sm max-w-full z-10 rounded-b w-full box-shadow-progressbar" :class="isSeriesFinished ? 'bg-success' : 'bg-yellow-400'" :style="{ width: seriesPercentInProgress * 100 + '%' }" />
+      <div cy-id="seriesProgressBar" v-if="seriesPercentInProgress > 0" class="absolute bottom-0 left-0 h-1e shadow-xs max-w-full z-10 rounded-b w-full box-shadow-progressbar" :class="isSeriesFinished ? 'bg-success' : 'bg-yellow-400'" :style="{ width: seriesPercentInProgress * 100 + '%' }" />
 
-      <div cy-id="hoveringDisplayTitle" v-if="hasValidCovers" aria-hidden="true" class="bg-black bg-opacity-60 absolute top-0 left-0 w-full h-full flex items-center justify-center text-center transition-opacity" :class="isHovering ? '' : 'opacity-0'" :style="{ padding: '1em' }">
+      <div cy-id="hoveringDisplayTitle" v-if="hasValidCovers" aria-hidden="true" class="bg-black/60 absolute top-0 left-0 w-full h-full flex items-center justify-center text-center transition-opacity" :class="isHovering ? '' : 'opacity-0'" :style="{ padding: '1em' }">
         <p :style="{ fontSize: 1.2 + 'em' }">{{ displayTitle }}</p>
       </div>
 
@@ -20,7 +20,7 @@
     </div>
 
     <div cy-id="standardBottomText" v-if="!isAlternativeBookshelfView" class="categoryPlacard absolute z-10 left-0 right-0 mx-auto -bottom-6e h-6e rounded-md text-center" :style="{ width: Math.min(200, cardWidth) + 'px' }">
-      <div class="w-full h-full shinyBlack flex items-center justify-center rounded-sm border" :style="{ padding: `0em 0.5em` }">
+      <div class="w-full h-full shinyBlack flex items-center justify-center rounded-xs border" :style="{ padding: `0em 0.5em` }">
         <p cy-id="standardBottomDisplayTitle" class="truncate" :style="{ fontSize: labelFontSize + 'em' }">{{ displayTitle }}</p>
       </div>
     </div>
diff --git a/client/components/cards/NarratorCard.vue b/client/components/cards/NarratorCard.vue
index cf09b812..f5f67aba 100644
--- a/client/components/cards/NarratorCard.vue
+++ b/client/components/cards/NarratorCard.vue
@@ -7,7 +7,7 @@
         </div>
 
         <!-- Narrator name & num books overlay -->
-        <div class="absolute bottom-0 left-0 w-full py-1e bg-black bg-opacity-60 px-2e">
+        <div class="absolute bottom-0 left-0 w-full py-1e bg-black/60 px-2e">
           <p cy-id="name" class="text-center font-semibold truncate text-gray-200" :style="{ fontSize: 0.75 + 'em' }">{{ name }}</p>
           <p cy-id="numBooks" class="text-center text-gray-200" :style="{ fontSize: 0.65 + 'em' }">{{ numBooks }} Book{{ numBooks === 1 ? '' : 's' }}</p>
         </div>
diff --git a/client/components/cards/NarratorSearchCard.vue b/client/components/cards/NarratorSearchCard.vue
index 51d0258b..b04c5b20 100644
--- a/client/components/cards/NarratorSearchCard.vue
+++ b/client/components/cards/NarratorSearchCard.vue
@@ -3,7 +3,7 @@
     <div class="w-10 h-10 flex items-center justify-center">
       <span class="material-symbols text-2xl text-gray-200">&#xe91f;</span>
     </div>
-    <div class="flex-grow px-2 narratorSearchCardContent h-full">
+    <div class="grow px-2 narratorSearchCardContent h-full">
       <p class="truncate text-sm">{{ narrator }}</p>
       <p class="text-xs text-gray-400">{{ $getString('LabelXBooks', [numBooks]) }}</p>
     </div>
diff --git a/client/components/cards/NotificationCard.vue b/client/components/cards/NotificationCard.vue
index 9cfe54cd..b336e5f7 100644
--- a/client/components/cards/NotificationCard.vue
+++ b/client/components/cards/NotificationCard.vue
@@ -1,17 +1,17 @@
 <template>
-  <div class="w-full border border-white border-opacity-10 rounded-xl p-4 my-2" :class="notification.enabled ? 'bg-primary bg-opacity-25' : 'bg-error bg-opacity-5'">
+  <div class="w-full border border-white/10 rounded-xl p-4 my-2" :class="notification.enabled ? 'bg-primary/25' : 'bg-error/5'">
     <div class="flex flex-wrap items-center">
       <p class="text-base md:text-lg font-semibold pr-4">{{ eventName }}</p>
-      <div class="flex-grow" />
+      <div class="grow" />
 
       <ui-btn v-if="eventName === 'onTest' && notification.enabled" :loading="testing" small class="mr-2" @click.stop="fireTestEventAndSucceed">{{ this.$strings.ButtonFireOnTest }}</ui-btn>
-      <ui-btn v-if="eventName === 'onTest' && notification.enabled" :loading="testing" small class="mr-2" color="red-600" @click.stop="fireTestEventAndFail">{{ this.$strings.ButtonFireAndFail }}</ui-btn>
+      <ui-btn v-if="eventName === 'onTest' && notification.enabled" :loading="testing" small class="mr-2" color="bg-red-600" @click.stop="fireTestEventAndFail">{{ this.$strings.ButtonFireAndFail }}</ui-btn>
       <!-- <ui-btn v-if="eventName === 'onTest' && notification.enabled" :loading="testing" small class="mr-2" @click.stop="rapidFireTestEvents">Rapid Fire</ui-btn> -->
       <ui-btn v-else-if="notification.enabled" :loading="sendingTest" small class="mr-2" @click.stop="sendTestClick">{{ this.$strings.ButtonTest }}</ui-btn>
-      <ui-btn v-else :loading="enabling" small color="success" class="mr-2" @click="enableNotification">{{ this.$strings.ButtonEnable }}</ui-btn>
+      <ui-btn v-else :loading="enabling" small color="bg-success" class="mr-2" @click="enableNotification">{{ this.$strings.ButtonEnable }}</ui-btn>
 
       <ui-icon-btn :size="7" icon-font-size="1.1rem" icon="edit" class="mr-2" @click="editNotification" />
-      <ui-icon-btn bg-color="error" :size="7" icon-font-size="1.2rem" icon="delete" @click="deleteNotificationClick" />
+      <ui-icon-btn bg-color="bg-error" :size="7" icon-font-size="1.2rem" icon="delete" @click="deleteNotificationClick" />
     </div>
     <div class="pt-4">
       <p class="text-gray-300 text-xs md:text-sm mb-2">{{ notification.urls.join(', ') }}</p>
diff --git a/client/components/cards/PodcastFeedSummaryCard.vue b/client/components/cards/PodcastFeedSummaryCard.vue
index 53b2e622..74d7544a 100644
--- a/client/components/cards/PodcastFeedSummaryCard.vue
+++ b/client/components/cards/PodcastFeedSummaryCard.vue
@@ -1,5 +1,5 @@
 <template>
-  <div ref="wrapper" class="w-full p-2 border border-white border-opacity-10 rounded">
+  <div ref="wrapper" class="w-full p-2 border border-white/10 rounded-sm">
     <div class="flex">
       <div class="w-16 min-w-16">
         <div class="w-full h-16 bg-primary">
@@ -7,7 +7,7 @@
         </div>
         <p class="text-gray-400 text-xxs pt-1 text-center">{{ numEpisodes }} {{ $strings.HeaderEpisodes }}</p>
       </div>
-      <div class="flex-grow pl-2" :style="{ maxWidth: detailsWidth + 'px' }">
+      <div class="grow pl-2" :style="{ maxWidth: detailsWidth + 'px' }">
         <p class="mb-1">{{ title }}</p>
         <p class="text-xs mb-1 text-gray-300">{{ author }}</p>
         <p class="text-xs mb-2 text-gray-200">{{ description }}</p>
@@ -68,4 +68,4 @@ export default {
     this.width = this.$refs.wrapper.clientWidth
   }
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/cards/SeriesSearchCard.vue b/client/components/cards/SeriesSearchCard.vue
index 7f22d02e..5b3050ab 100644
--- a/client/components/cards/SeriesSearchCard.vue
+++ b/client/components/cards/SeriesSearchCard.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="flex h-full px-1 overflow-hidden">
     <covers-group-cover :name="name" :book-items="bookItems" :width="60" :height="60" :book-cover-aspect-ratio="bookCoverAspectRatio" />
-    <div class="flex-grow px-2 seriesSearchCardContent h-full">
+    <div class="grow px-2 seriesSearchCardContent h-full">
       <p class="truncate text-sm">{{ name }}</p>
     </div>
   </div>
diff --git a/client/components/cards/TagSearchCard.vue b/client/components/cards/TagSearchCard.vue
index 456ba399..c30ff084 100644
--- a/client/components/cards/TagSearchCard.vue
+++ b/client/components/cards/TagSearchCard.vue
@@ -3,7 +3,7 @@
     <div class="w-10 h-10 flex items-center justify-center">
       <span class="material-symbols text-2xl text-gray-200">local_offer</span>
     </div>
-    <div class="flex-grow px-2 tagSearchCardContent h-full">
+    <div class="grow px-2 tagSearchCardContent h-full">
       <p class="truncate text-sm">{{ tag }}</p>
       <p class="text-xs text-gray-400">{{ $getString('LabelXItems', [numItems]) }}</p>
     </div>
diff --git a/client/components/content/LibraryItemDetails.vue b/client/components/content/LibraryItemDetails.vue
index 7ef17d6a..268fd697 100644
--- a/client/components/content/LibraryItemDetails.vue
+++ b/client/components/content/LibraryItemDetails.vue
@@ -2,9 +2,9 @@
   <div>
     <div v-if="narrators?.length" class="flex py-0.5 mt-4">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelNarrators }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelNarrators }}</span>
       </div>
-      <div class="max-w-[calc(100vw-10rem)] overflow-hidden overflow-ellipsis">
+      <div class="max-w-[calc(100vw-10rem)] overflow-hidden text-ellipsis">
         <template v-for="(narrator, index) in narrators">
           <nuxt-link :key="narrator" :to="`/library/${libraryId}/bookshelf?filter=narrators.${$encode(narrator)}`" class="hover:underline">{{ narrator }}</nuxt-link
           ><span :key="index" v-if="index < narrators.length - 1">,&nbsp;</span>
@@ -13,7 +13,7 @@
     </div>
     <div v-if="publishedYear" role="paragraph" class="flex py-0.5">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelPublishYear }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelPublishYear }}</span>
       </div>
       <div>
         {{ publishedYear }}
@@ -21,7 +21,7 @@
     </div>
     <div v-if="publisher" role="paragraph" class="flex py-0.5">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelPublisher }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelPublisher }}</span>
       </div>
       <div>
         <nuxt-link :to="`/library/${libraryId}/bookshelf?filter=publishers.${$encode(publisher)}`" class="hover:underline">{{ publisher }}</nuxt-link>
@@ -29,7 +29,7 @@
     </div>
     <div v-if="podcastType" role="paragraph" class="flex py-0.5">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelPodcastType }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelPodcastType }}</span>
       </div>
       <div class="capitalize">
         {{ podcastType }}
@@ -37,9 +37,9 @@
     </div>
     <div class="flex py-0.5" v-if="genres.length">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelGenres }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelGenres }}</span>
       </div>
-      <div class="max-w-[calc(100vw-10rem)] overflow-hidden overflow-ellipsis">
+      <div class="max-w-[calc(100vw-10rem)] overflow-hidden text-ellipsis">
         <template v-for="(genre, index) in genres">
           <nuxt-link :key="genre" :to="`/library/${libraryId}/bookshelf?filter=genres.${$encode(genre)}`" class="hover:underline">{{ genre }}</nuxt-link
           ><span :key="index" v-if="index < genres.length - 1">,&nbsp;</span>
@@ -48,9 +48,9 @@
     </div>
     <div class="flex py-0.5" v-if="tags.length">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelTags }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelTags }}</span>
       </div>
-      <div class="max-w-[calc(100vw-10rem)] overflow-hidden overflow-ellipsis">
+      <div class="max-w-[calc(100vw-10rem)] overflow-hidden text-ellipsis">
         <template v-for="(tag, index) in tags">
           <nuxt-link :key="tag" :to="`/library/${libraryId}/bookshelf?filter=tags.${$encode(tag)}`" class="hover:underline">{{ tag }}</nuxt-link
           ><span :key="index" v-if="index < tags.length - 1">,&nbsp;</span>
@@ -59,7 +59,7 @@
     </div>
     <div v-if="language" class="flex py-0.5">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelLanguage }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelLanguage }}</span>
       </div>
       <div>
         <nuxt-link :to="`/library/${libraryId}/bookshelf?filter=languages.${$encode(language)}`" class="hover:underline">{{ language }}</nuxt-link>
@@ -67,7 +67,7 @@
     </div>
     <div v-if="tracks.length || (isPodcast && totalPodcastDuration)" role="paragraph" class="flex py-0.5">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelDuration }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelDuration }}</span>
       </div>
       <div>
         {{ durationPretty }}
@@ -75,7 +75,7 @@
     </div>
     <div role="paragraph" class="flex py-0.5">
       <div class="w-24 min-w-24 sm:w-32 sm:min-w-32">
-        <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelSize }}</span>
+        <span class="text-white/60 uppercase text-sm">{{ $strings.LabelSize }}</span>
       </div>
       <div>
         {{ sizePretty }}
diff --git a/client/components/controls/FilterSelect.vue b/client/components/controls/FilterSelect.vue
index a2c8a18c..a6a6ad9a 100644
--- a/client/components/controls/FilterSelect.vue
+++ b/client/components/controls/FilterSelect.vue
@@ -1,7 +1,7 @@
 <template>
   <div ref="wrapper" class="relative" v-click-outside="clickOutside">
     <div class="relative h-9">
-      <button type="button" class="relative w-full h-full border border-gray-500 hover:border-gray-400 rounded shadow-sm pl-3 pr-3 py-0 text-left focus:outline-none cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
+      <button type="button" class="relative w-full h-full border border-gray-500 hover:border-gray-400 rounded-sm shadow-xs pl-3 pr-3 py-0 text-left focus:outline-hidden cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
         <span class="flex items-center justify-between">
           <span class="block truncate text-xs">{{ selectedText }}</span>
         </span>
@@ -16,7 +16,7 @@
       </button>
     </div>
 
-    <div v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-96 rounded-md py-1 text-sm ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none">
+    <div v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-96 rounded-md py-1 text-sm ring-1 ring-black/5 overflow-auto focus:outline-hidden">
       <ul class="h-full w-full" role="menu">
         <template v-for="item in items">
           <li :key="item.value" class="select-none relative py-2 pr-9 cursor-pointer hover:bg-white/5" :class="item.value === selected ? 'bg-white/5 text-yellow-400' : 'text-gray-200 hover:text-white'" role="menuitem" @click="clickedOption(item)">
diff --git a/client/components/controls/GlobalSearch.vue b/client/components/controls/GlobalSearch.vue
index 7691bbfc..bc9a2368 100644
--- a/client/components/controls/GlobalSearch.vue
+++ b/client/components/controls/GlobalSearch.vue
@@ -9,7 +9,7 @@
         <span v-else class="material-symbols" style="font-size: 1.2rem">close</span>
       </button>
     </div>
-    <div v-show="showMenu && (lastSearch || isTyping)" class="absolute z-40 -mt-px w-full max-w-64 sm:max-w-80 sm:w-80 bg-bg border border-black-200 shadow-lg rounded-md py-1 px-2 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm globalSearchMenu" @mousedown.stop.prevent>
+    <div v-show="showMenu && (lastSearch || isTyping)" class="absolute z-40 -mt-px w-full max-w-64 sm:max-w-80 sm:w-80 bg-bg border border-black-200 shadow-lg rounded-md py-1 px-2 text-base ring-1 ring-black/5 overflow-auto focus:outline-hidden sm:text-sm globalSearchMenu" @mousedown.stop.prevent>
       <ul class="h-full w-full" role="listbox" aria-labelledby="listbox-label">
         <li v-if="isTyping" class="py-2 px-2">
           <p>{{ $strings.MessageThinking }}</p>
diff --git a/client/components/controls/LibraryFilterSelect.vue b/client/components/controls/LibraryFilterSelect.vue
index c600d80f..4fd72827 100644
--- a/client/components/controls/LibraryFilterSelect.vue
+++ b/client/components/controls/LibraryFilterSelect.vue
@@ -1,7 +1,7 @@
 <template>
   <div ref="wrapper" class="relative" v-click-outside="clickOutside">
     <div class="relative h-7">
-      <button type="button" class="relative w-full h-full bg-bg border border-gray-500 hover:border-gray-400 rounded shadow-sm pl-3 pr-3 py-0 text-left focus:outline-none sm:text-sm cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
+      <button type="button" class="relative w-full h-full bg-bg border border-gray-500 hover:border-gray-400 rounded-sm shadow-xs pl-3 pr-3 py-0 text-left focus:outline-hidden sm:text-sm cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
         <span class="flex items-center justify-between">
           <span class="block truncate text-xs" :class="!selectedText ? 'text-gray-300' : ''">{{ selectedText }}</span>
         </span>
@@ -16,7 +16,7 @@
       </button>
     </div>
 
-    <div v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg rounded-md py-1 ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none text-sm libraryFilterMenu">
+    <div v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg rounded-md py-1 ring-1 ring-black/5 overflow-auto focus:outline-hidden text-sm libraryFilterMenu">
       <ul v-show="!sublist" class="h-full w-full" role="menu">
         <template v-for="item in selectItems">
           <li :key="item.value" class="select-none relative py-2 pr-9 cursor-pointer hover:bg-white/5" :class="item.value === selected ? 'bg-white/5 text-yellow-400' : 'text-gray-200 hover:text-white'" role="menuitem" :aria-haspopup="item.sublist ? '' : 'menu'" @click="clickedOption(item)">
diff --git a/client/components/controls/LibrarySortSelect.vue b/client/components/controls/LibrarySortSelect.vue
index 8a297f0d..7e83928f 100644
--- a/client/components/controls/LibrarySortSelect.vue
+++ b/client/components/controls/LibrarySortSelect.vue
@@ -1,13 +1,13 @@
 <template>
   <div ref="wrapper" class="relative" v-click-outside="clickOutside">
-    <button type="button" class="relative w-full h-full bg-fg border border-gray-500 hover:border-gray-400 rounded shadow-sm pl-3 pr-3 py-0 text-left focus:outline-none sm:text-sm cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
+    <button type="button" class="relative w-full h-full bg-fg border border-gray-500 hover:border-gray-400 rounded-sm shadow-xs pl-3 pr-3 py-0 text-left focus:outline-hidden sm:text-sm cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
       <span class="flex items-center justify-between">
         <span class="block truncate text-xs" :class="!selectedText ? 'text-gray-300' : ''">{{ selectedText }}</span>
         <span class="material-symbols text-lg text-yellow-400" :aria-label="descending ? $strings.LabelSortDescending : $strings.LabelSortAscending">{{ descending ? 'expand_more' : 'expand_less' }}</span>
       </span>
     </button>
 
-    <ul v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-96 rounded-md py-1 ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none text-sm" role="menu">
+    <ul v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-96 rounded-md py-1 ring-1 ring-black/5 overflow-auto focus:outline-hidden text-sm" role="menu">
       <template v-for="item in selectItems">
         <li :key="item.value" class="select-none relative py-2 pr-9 cursor-pointer hover:bg-white/5" :class="item.value === selected ? 'bg-white/5 text-yellow-400' : 'text-gray-200 hover:text-white'" role="menuitem" @click="clickedOption(item.value)">
           <div class="flex items-center">
diff --git a/client/components/controls/PlaybackSpeedControl.vue b/client/components/controls/PlaybackSpeedControl.vue
index 98f40866..5decea57 100644
--- a/client/components/controls/PlaybackSpeedControl.vue
+++ b/client/components/controls/PlaybackSpeedControl.vue
@@ -9,7 +9,7 @@
       </div>
       <div class="flex items-center h-9 relative overflow-hidden rounded-lg" style="width: 220px">
         <template v-for="rate in rates">
-          <div :key="rate" class="h-full border-black-300 w-11 cursor-pointer border rounded-sm" :class="value === rate ? 'bg-black-100' : 'hover:bg-black hover:bg-opacity-10'" style="min-width: 44px; max-width: 44px" @click="set(rate)">
+          <div :key="rate" class="h-full border-black-300 w-11 cursor-pointer border rounded-xs" :class="value === rate ? 'bg-black-100' : 'hover:bg-black/10'" style="min-width: 44px; max-width: 44px" @click="set(rate)">
             <div class="w-full h-full flex justify-center items-center">
               <p class="text-xs text-center">{{ rate }}<span class="text-sm">x</span></p>
             </div>
diff --git a/client/components/controls/SortSelect.vue b/client/components/controls/SortSelect.vue
index 967cf071..1d21fc0c 100644
--- a/client/components/controls/SortSelect.vue
+++ b/client/components/controls/SortSelect.vue
@@ -1,13 +1,13 @@
 <template>
   <div ref="wrapper" class="relative" v-click-outside="clickOutside">
-    <button type="button" class="relative w-full h-full border border-gray-500 hover:border-gray-400 rounded shadow-sm pl-3 pr-3 py-0 text-left focus:outline-none cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
+    <button type="button" class="relative w-full h-full border border-gray-500 hover:border-gray-400 rounded-sm shadow-xs pl-3 pr-3 py-0 text-left focus:outline-hidden cursor-pointer" aria-haspopup="menu" :aria-expanded="showMenu" @click.prevent="showMenu = !showMenu">
       <span class="flex items-center justify-between">
         <span class="block truncate text-xs" :class="!selectedText ? 'text-gray-300' : ''">{{ selectedText }}</span>
         <span class="material-symbols text-lg text-yellow-400" :aria-label="descending ? $strings.LabelSortDescending : $strings.LabelSortAscending">{{ descending ? 'expand_more' : 'expand_less' }}</span>
       </span>
     </button>
 
-    <ul v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-80 rounded-md py-1 ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none text-sm" role="menu">
+    <ul v-show="showMenu" class="absolute z-10 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-80 rounded-md py-1 ring-1 ring-black/5 overflow-auto focus:outline-hidden text-sm" role="menu">
       <template v-for="item in items">
         <li :key="item.value" class="select-none relative py-2 pr-9 cursor-pointer hover:bg-white/5" :class="item.value === selected ? 'bg-white/5 text-yellow-400' : 'text-gray-200 hover:text-white'" role="menuitem" @click="clickedOption(item.value)">
           <div class="flex items-center">
@@ -77,4 +77,4 @@ export default {
     }
   }
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/controls/VolumeControl.vue b/client/components/controls/VolumeControl.vue
index a29ee7d1..a17a3b35 100644
--- a/client/components/controls/VolumeControl.vue
+++ b/client/components/controls/VolumeControl.vue
@@ -4,10 +4,10 @@
       <span class="material-symbols text-2xl sm:text-3xl">{{ volumeIcon }}</span>
     </button>
     <transition name="menux">
-      <div v-show="isOpen" class="volumeMenu h-28 absolute bottom-2 w-6 py-2 bg-bg shadow-sm rounded-lg" style="top: -116px">
+      <div v-show="isOpen" class="volumeMenu h-28 absolute bottom-2 w-6 py-2 bg-bg shadow-xs rounded-lg" style="top: -116px">
         <div ref="volumeTrack" class="w-1 h-full bg-gray-500 mx-2.5 relative cursor-pointer rounded-full" @mousedown="mousedownTrack" @click="clickVolumeTrack">
           <div class="bg-gray-100 w-full absolute left-0 bottom-0 pointer-events-none rounded-full" :style="{ height: volume * trackHeight + 'px' }" />
-          <div class="w-2.5 h-2.5 bg-white shadow-sm rounded-full absolute pointer-events-none" :class="isDragging ? 'transform scale-125 origin-center' : ''" :style="{ bottom: cursorBottom + 'px', left: '-3px' }" />
+          <div class="w-2.5 h-2.5 bg-white shadow-xs rounded-full absolute pointer-events-none" :class="isDragging ? 'transform scale-125 origin-center' : ''" :style="{ bottom: cursorBottom + 'px', left: '-3px' }" />
         </div>
       </div>
     </transition>
diff --git a/client/components/covers/BookCover.vue b/client/components/covers/BookCover.vue
index 7a7ab818..0a9248d2 100644
--- a/client/components/covers/BookCover.vue
+++ b/client/components/covers/BookCover.vue
@@ -1,7 +1,7 @@
 <template>
-  <div class="relative rounded-sm overflow-hidden" :style="{ height: height + 'px', width: width + 'px', maxWidth: width + 'px', minWidth: width + 'px' }">
+  <div class="relative rounded-xs overflow-hidden" :style="{ height: height + 'px', width: width + 'px', maxWidth: width + 'px', minWidth: width + 'px' }">
     <div class="w-full h-full relative bg-bg">
-      <div v-show="showCoverBg" class="absolute top-0 left-0 w-full h-full overflow-hidden rounded-sm bg-primary">
+      <div v-show="showCoverBg" class="absolute top-0 left-0 w-full h-full overflow-hidden rounded-xs bg-primary">
         <div class="absolute cover-bg" ref="coverBg" />
       </div>
 
diff --git a/client/components/covers/CollectionCover.vue b/client/components/covers/CollectionCover.vue
index 48d1caeb..c127fe11 100644
--- a/client/components/covers/CollectionCover.vue
+++ b/client/components/covers/CollectionCover.vue
@@ -1,25 +1,25 @@
 <template>
-  <div class="relative rounded-sm overflow-hidden" :style="{ width: width + 'px', height: height + 'px' }">
-    <!-- <div class="absolute top-0 left-0 w-full h-full rounded-sm overflow-hidden z-10">
-      <div class="w-full h-full border border-white border-opacity-10" />
+  <div class="relative rounded-xs overflow-hidden" :style="{ width: width + 'px', height: height + 'px' }">
+    <!-- <div class="absolute top-0 left-0 w-full h-full rounded-xs overflow-hidden z-10">
+      <div class="w-full h-full border border-white/10" />
     </div> -->
 
-    <div v-if="hasOwnCover" class="w-full h-full relative rounded-sm">
+    <div v-if="hasOwnCover" class="w-full h-full relative rounded-xs">
       <div v-if="showCoverBg" class="bg-primary absolute top-0 left-0 w-full h-full">
         <div class="w-full h-full z-0" ref="coverBg" />
       </div>
       <img ref="cover" :src="fullCoverUrl" @error="imageError" @load="imageLoaded" class="w-full h-full absolute top-0 left-0" :class="showCoverBg ? 'object-contain' : 'object-cover'" />
     </div>
-    <div v-else-if="books.length" class="flex justify-center h-full relative bg-primary bg-opacity-95 rounded-sm">
-      <div class="absolute top-0 left-0 w-full h-full bg-gray-400 bg-opacity-5" />
+    <div v-else-if="books.length" class="flex justify-center h-full relative bg-primary/95 rounded-xs">
+      <div class="absolute top-0 left-0 w-full h-full bg-gray-400/5" />
 
       <covers-book-cover :library-item="books[0]" :width="width / 2" :book-cover-aspect-ratio="bookCoverAspectRatio" />
       <covers-book-cover v-if="books.length > 1" :library-item="books[1]" :width="width / 2" :book-cover-aspect-ratio="bookCoverAspectRatio" />
     </div>
-    <div v-else class="relative w-full h-full flex items-center justify-center p-2 bg-primary rounded-sm">
-      <div class="absolute top-0 left-0 w-full h-full bg-gray-400 bg-opacity-5" />
+    <div v-else class="relative w-full h-full flex items-center justify-center p-2 bg-primary rounded-xs">
+      <div class="absolute top-0 left-0 w-full h-full bg-gray-400/5" />
 
-      <p class="text-white text-opacity-60 text-center" :style="{ fontSize: Math.min(1, sizeMultiplier) + 'rem' }">Empty Collection</p>
+      <p class="text-white/60 text-center" :style="{ fontSize: Math.min(1, sizeMultiplier) + 'rem' }">Empty Collection</p>
     </div>
   </div>
 </template>
@@ -62,4 +62,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/covers/GroupCover.vue b/client/components/covers/GroupCover.vue
index 4f213721..9d766283 100644
--- a/client/components/covers/GroupCover.vue
+++ b/client/components/covers/GroupCover.vue
@@ -109,7 +109,7 @@ export default {
 
       if (showCoverBg) {
         var coverbgwrapper = document.createElement('div')
-        coverbgwrapper.className = 'absolute top-0 left-0 w-full h-full overflow-hidden rounded-sm bg-primary'
+        coverbgwrapper.className = 'absolute top-0 left-0 w-full h-full overflow-hidden rounded-xs bg-primary'
 
         var coverbg = document.createElement('div')
         coverbg.className = 'absolute cover-bg'
diff --git a/client/components/covers/PlaylistCover.vue b/client/components/covers/PlaylistCover.vue
index e19bfc39..eb088c76 100644
--- a/client/components/covers/PlaylistCover.vue
+++ b/client/components/covers/PlaylistCover.vue
@@ -1,11 +1,11 @@
 <template>
-  <div class="relative rounded-sm overflow-hidden" :style="{ width: width + 'px', height: height + 'px' }">
-    <div v-if="items.length" class="flex flex-wrap justify-center h-full relative bg-primary bg-opacity-95 rounded-sm">
-      <div class="absolute top-0 left-0 w-full h-full bg-gray-400 bg-opacity-5" />
+  <div class="relative rounded-xs overflow-hidden" :style="{ width: width + 'px', height: height + 'px' }">
+    <div v-if="items.length" class="flex flex-wrap justify-center h-full relative bg-primary/95 rounded-xs">
+      <div class="absolute top-0 left-0 w-full h-full bg-gray-400/5" />
       <covers-book-cover v-for="(li, index) in libraryItemCovers" :key="index" :library-item="li" :width="itemCoverWidth" :book-cover-aspect-ratio="1" />
     </div>
-    <div v-else class="relative w-full h-full flex items-center justify-center p-2 bg-primary rounded-sm">
-      <div class="absolute top-0 left-0 w-full h-full bg-gray-400 bg-opacity-5" />
+    <div v-else class="relative w-full h-full flex items-center justify-center p-2 bg-primary rounded-xs">
+      <div class="absolute top-0 left-0 w-full h-full bg-gray-400/5" />
     </div>
   </div>
 </template>
@@ -48,4 +48,4 @@ export default {
   methods: {},
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/covers/PreviewCover.vue b/client/components/covers/PreviewCover.vue
index 183164b0..0b73b009 100644
--- a/client/components/covers/PreviewCover.vue
+++ b/client/components/covers/PreviewCover.vue
@@ -1,12 +1,12 @@
 <template>
-  <div class="relative rounded-sm" :style="{ height: width * bookCoverAspectRatio + 'px', width: width + 'px', maxWidth: width + 'px', minWidth: width + 'px' }" @mouseover="isHovering = true" @mouseleave="isHovering = false">
+  <div class="relative rounded-xs" :style="{ height: width * bookCoverAspectRatio + 'px', width: width + 'px', maxWidth: width + 'px', minWidth: width + 'px' }" @mouseover="isHovering = true" @mouseleave="isHovering = false">
     <div class="w-full h-full relative overflow-hidden">
-      <div v-show="showCoverBg" class="absolute top-0 left-0 w-full h-full overflow-hidden rounded-sm bg-primary">
+      <div v-show="showCoverBg" class="absolute top-0 left-0 w-full h-full overflow-hidden rounded-xs bg-primary">
         <div class="absolute cover-bg" ref="coverBg" />
       </div>
       <img ref="cover" :src="cover" @error="imageError" @load="imageLoaded" class="w-full h-full absolute top-0 left-0" :class="showCoverBg ? 'object-contain' : 'object-fill'" />
 
-      <a v-if="!imageFailed && showOpenNewTab && isHovering" :href="cover" @click.stop target="_blank" class="absolute bg-primary flex items-center justify-center shadow-sm rounded-full hover:scale-110 transform duration-100" :style="{ top: sizeMultiplier * 0.5 + 'rem', right: sizeMultiplier * 0.5 + 'rem', width: 2.5 * sizeMultiplier + 'rem', height: 2.5 * sizeMultiplier + 'rem' }">
+      <a v-if="!imageFailed && showOpenNewTab && isHovering" :href="cover" @click.stop target="_blank" class="absolute bg-primary flex items-center justify-center shadow-xs rounded-full hover:scale-110 transform duration-100" :style="{ top: sizeMultiplier * 0.5 + 'rem', right: sizeMultiplier * 0.5 + 'rem', width: 2.5 * sizeMultiplier + 'rem', height: 2.5 * sizeMultiplier + 'rem' }">
         <span class="material-symbols" :style="{ fontSize: sizeMultiplier * 1.75 + 'rem' }">open_in_new</span>
       </a>
     </div>
diff --git a/client/components/modals/AccountModal.vue b/client/components/modals/AccountModal.vue
index 9c70e728..71ac8155 100644
--- a/client/components/modals/AccountModal.vue
+++ b/client/components/modals/AccountModal.vue
@@ -120,10 +120,10 @@
           </div>
 
           <div class="flex pt-4 px-2">
-            <ui-btn v-if="hasOpenIDLink" small :loading="unlinkingFromOpenID" color="primary" type="button" class="mr-2" @click.stop="unlinkOpenID">{{ $strings.ButtonUnlinkOpenId }}</ui-btn>
+            <ui-btn v-if="hasOpenIDLink" small :loading="unlinkingFromOpenID" color="bg-primary" type="button" class="mr-2" @click.stop="unlinkOpenID">{{ $strings.ButtonUnlinkOpenId }}</ui-btn>
             <ui-btn v-if="isEditingRoot" small class="flex items-center" to="/account">{{ $strings.ButtonChangeRootPassword }}</ui-btn>
-            <div class="flex-grow" />
-            <ui-btn color="success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
+            <div class="grow" />
+            <ui-btn color="bg-success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
           </div>
         </div>
       </div>
diff --git a/client/components/modals/AddCustomMetadataProviderModal.vue b/client/components/modals/AddCustomMetadataProviderModal.vue
index da24588b..b1324117 100644
--- a/client/components/modals/AddCustomMetadataProviderModal.vue
+++ b/client/components/modals/AddCustomMetadataProviderModal.vue
@@ -23,8 +23,8 @@
             <ui-text-input-with-label v-model="newAuthHeaderValue" :label="$strings.LabelProviderAuthorizationValue" type="password" />
           </div>
           <div class="flex px-1 pt-4">
-            <div class="flex-grow" />
-            <ui-btn color="success" type="submit">{{ $strings.ButtonAdd }}</ui-btn>
+            <div class="grow" />
+            <ui-btn color="bg-success" type="submit">{{ $strings.ButtonAdd }}</ui-btn>
           </div>
         </div>
       </div>
diff --git a/client/components/modals/AudioFileDataModal.vue b/client/components/modals/AudioFileDataModal.vue
index eb70f1c3..2b41c721 100644
--- a/client/components/modals/AudioFileDataModal.vue
+++ b/client/components/modals/AudioFileDataModal.vue
@@ -7,7 +7,7 @@
         <ui-btn v-else-if="userIsAdminOrUp" small :loading="probingFile" class="ml-2" @click="getFFProbeData">{{ $strings.ButtonProbeAudioFile }}</ui-btn>
       </div>
 
-      <div class="w-full h-px bg-white bg-opacity-10 my-4" />
+      <div class="w-full h-px bg-white/10 my-4" />
 
       <template v-if="!ffprobeData">
         <ui-text-input-with-label :value="metadata.path" readonly :label="$strings.LabelPath" class="mb-4 text-sm" />
@@ -75,7 +75,7 @@
           </div>
         </div>
 
-        <div class="w-full h-px bg-white bg-opacity-10 my-4" />
+        <div class="w-full h-px bg-white/10 my-4" />
 
         <p class="font-bold mb-2">{{ $strings.LabelMetaTags }}</p>
 
diff --git a/client/components/modals/BatchQuickMatchModel.vue b/client/components/modals/BatchQuickMatchModel.vue
index 558a2fa3..8bea68fa 100644
--- a/client/components/modals/BatchQuickMatchModel.vue
+++ b/client/components/modals/BatchQuickMatchModel.vue
@@ -32,11 +32,11 @@
               </p>
             </ui-tooltip>
           </div>
-          <div class="mt-4 pt-4 text-white text-opacity-80 border-t border-white border-opacity-5">
+          <div class="mt-4 pt-4 text-white/80 border-t border-white/5">
             <div class="flex items-center px-4">
               <ui-btn type="button" @click="show = false">{{ $strings.ButtonCancel }}</ui-btn>
-              <div class="flex-grow" />
-              <ui-btn color="success" @click="doBatchQuickMatch">{{ $strings.ButtonSubmit }}</ui-btn>
+              <div class="grow" />
+              <ui-btn color="bg-success" @click="doBatchQuickMatch">{{ $strings.ButtonSubmit }}</ui-btn>
             </div>
           </div>
         </div>
diff --git a/client/components/modals/BookmarksModal.vue b/client/components/modals/BookmarksModal.vue
index 5c43d024..de8c72b7 100644
--- a/client/components/modals/BookmarksModal.vue
+++ b/client/components/modals/BookmarksModal.vue
@@ -17,16 +17,16 @@
 
       <div v-if="canCreateBookmark && !hideCreate" class="w-full border-t border-white/10">
         <form @submit.prevent="submitCreateBookmark">
-          <div class="flex px-4 py-2 items-center text-center border-b border-white border-opacity-10 text-white text-opacity-80">
+          <div class="flex px-4 py-2 items-center text-center border-b border-white/10 text-white/80">
             <div class="w-16 max-w-16 text-center">
               <p class="text-sm font-mono text-gray-400">
                 {{ this.$secondsToTimestamp(currentTime / playbackRate) }}
               </p>
             </div>
-            <div class="flex-grow px-2">
+            <div class="grow px-2">
               <ui-text-input v-model="newBookmarkTitle" placeholder="Note" class="w-full h-10" />
             </div>
-            <ui-btn type="submit" color="success" :padding-x="4" class="h-10"><span class="material-symbols text-2xl -mt-px">add</span></ui-btn>
+            <ui-btn type="submit" color="bg-success" :padding-x="4" class="h-10"><span class="material-symbols text-2xl -mt-px">add</span></ui-btn>
           </div>
         </form>
       </div>
diff --git a/client/components/modals/ChaptersModal.vue b/client/components/modals/ChaptersModal.vue
index be98a63f..7b7368b7 100644
--- a/client/components/modals/ChaptersModal.vue
+++ b/client/components/modals/ChaptersModal.vue
@@ -7,7 +7,7 @@
             {{ chap.title }}
           </p>
           <span class="font-mono text-xxs sm:text-xs text-gray-400 pl-2 whitespace-nowrap">{{ $elapsedPrettyExtended((chap.end - chap.start) / _playbackRate) }}</span>
-          <span class="flex-grow" />
+          <span class="grow" />
           <span class="font-mono text-xs sm:text-sm text-gray-300">{{ $secondsToTimestamp(chap.start / _playbackRate) }}</span>
 
           <div v-show="chap.id === currentChapterId" class="w-0.5 h-full absolute top-0 left-0 bg-yellow-400" />
diff --git a/client/components/modals/Dialog.vue b/client/components/modals/Dialog.vue
index 2455c614..ce914ab0 100644
--- a/client/components/modals/Dialog.vue
+++ b/client/components/modals/Dialog.vue
@@ -7,12 +7,12 @@
     </template>
 
     <div class="w-full h-full overflow-hidden absolute top-0 left-0 flex items-center justify-center" @click="show = false">
-      <div ref="container" class="w-full overflow-x-hidden overflow-y-auto bg-primary rounded-lg border border-white border-opacity-20" style="max-height: 75%" @click.stop>
+      <div ref="container" class="w-full overflow-x-hidden overflow-y-auto bg-primary rounded-lg border border-white/20" style="max-height: 75%" @click.stop>
         <ul class="h-full w-full" role="listbox" aria-labelledby="listbox-label">
           <template v-for="item in items">
-            <li :key="item.value" class="text-gray-50 select-none relative py-4 cursor-pointer hover:bg-black-400" :class="selected === item.value ? 'bg-success bg-opacity-10' : ''" role="option" @click="clickedOption(item.value)">
+            <li :key="item.value" class="text-gray-50 select-none relative py-4 cursor-pointer hover:bg-black-400" :class="selected === item.value ? 'bg-success/10' : ''" role="option" @click="clickedOption(item.value)">
               <div class="relative flex items-center px-3">
-                <p class="font-normal block truncate text-base text-white text-opacity-80">{{ item.text }}</p>
+                <p class="font-normal block truncate text-base text-white/80">{{ item.text }}</p>
               </div>
             </li>
           </template>
diff --git a/client/components/modals/EditSeriesInputInnerModal.vue b/client/components/modals/EditSeriesInputInnerModal.vue
index 53225788..6190551e 100644
--- a/client/components/modals/EditSeriesInputInnerModal.vue
+++ b/client/components/modals/EditSeriesInputInnerModal.vue
@@ -1,5 +1,5 @@
 <template>
-  <div ref="wrapper" role="dialog" aria-modal="true" class="hidden absolute top-0 left-0 w-full h-full bg-black bg-opacity-50 rounded-lg items-center justify-center" style="z-index: 61" @click="clickClose">
+  <div ref="wrapper" role="dialog" aria-modal="true" class="hidden absolute top-0 left-0 w-full h-full bg-black/50 rounded-lg items-center justify-center" style="z-index: 61" @click="clickClose">
     <button type="button" class="absolute top-3 right-3 md:top-5 md:right-5 h-8 w-8 md:h-12 md:w-12 flex items-center justify-center cursor-pointer text-white hover:text-gray-300" aria-label="Close modal">
       <span class="material-symbols text-2xl md:text-4xl">close</span>
     </button>
@@ -7,7 +7,7 @@
       <form v-if="selectedSeries" @submit.prevent="submitSeriesForm">
         <div class="bg-bg rounded-lg px-2 py-6 sm:p-6 md:p-8" @click.stop>
           <div class="flex">
-            <div class="flex-grow p-1 min-w-48 sm:min-w-64 md:min-w-80">
+            <div class="grow p-1 min-w-48 sm:min-w-64 md:min-w-80">
               <ui-input-dropdown ref="newSeriesSelect" v-model="selectedSeries.name" :items="existingSeriesNames" :disabled="!isNewSeries" :label="$strings.LabelSeriesName" @input="seriesNameInputHandler" />
             </div>
             <div class="w-24 sm:w-28 md:w-40 p-1">
diff --git a/client/components/modals/ListeningSessionModal.vue b/client/components/modals/ListeningSessionModal.vue
index df029e56..a2469836 100644
--- a/client/components/modals/ListeningSessionModal.vue
+++ b/client/components/modals/ListeningSessionModal.vue
@@ -11,7 +11,7 @@
         <p v-if="_session.displayAuthor" class="text-xs text-gray-400 px-4">{{ $getString('LabelByAuthor', [_session.displayAuthor]) }}</p>
       </div>
 
-      <div class="w-full h-px bg-white bg-opacity-10 my-4" />
+      <div class="w-full h-px bg-white/10 my-4" />
 
       <div class="flex flex-wrap mb-4">
         <div class="w-full md:w-2/3">
@@ -99,8 +99,8 @@
       </div>
 
       <div class="flex items-center">
-        <ui-btn v-if="!isOpenSession && !isMediaItemShareSession" small color="error" @click.stop="deleteSessionClick">{{ $strings.ButtonDelete }}</ui-btn>
-        <ui-btn v-else-if="!isMediaItemShareSession" small color="error" @click.stop="closeSessionClick">{{ $strings.ButtonCloseSession }}</ui-btn>
+        <ui-btn v-if="!isOpenSession && !isMediaItemShareSession" small color="bg-error" @click.stop="deleteSessionClick">{{ $strings.ButtonDelete }}</ui-btn>
+        <ui-btn v-else-if="!isMediaItemShareSession" small color="bg-error" @click.stop="closeSessionClick">{{ $strings.ButtonCloseSession }}</ui-btn>
       </div>
     </div>
   </modals-modal>
diff --git a/client/components/modals/Modal.vue b/client/components/modals/Modal.vue
index 38237745..a7d9c0ae 100644
--- a/client/components/modals/Modal.vue
+++ b/client/components/modals/Modal.vue
@@ -1,14 +1,14 @@
 <template>
-  <div ref="wrapper" role="dialog" aria-modal="true" class="modal modal-bg w-full h-full fixed top-0 left-0 bg-primary items-center justify-center opacity-0 hidden" :class="`z-${zIndex} bg-opacity-${bgOpacity}`">
-    <div class="absolute top-0 left-0 right-0 w-full h-36 bg-gradient-to-t from-transparent via-black-500 to-black-700 opacity-90 pointer-events-none" />
+  <div ref="wrapper" role="dialog" aria-modal="true" class="modal modal-bg w-full h-full fixed top-0 left-0 bg-primary items-center justify-center opacity-0 hidden" :class="`z-${zIndex} bg-primary/${bgOpacity}`">
+    <div class="absolute top-0 left-0 right-0 w-full h-36 bg-linear-to-t from-transparent via-black-500 to-black-700 opacity-90 pointer-events-none" />
 
     <button class="absolute top-4 right-4 landscape:top-4 landscape:right-4 md:portrait:top-5 md:portrait:right-5 lg:top-5 lg:right-5 inline-flex text-gray-200 hover:text-white" aria-label="Close modal" @click="clickClose">
       <span class="material-symbols text-2xl landscape:text-2xl md:portrait:text-4xl lg:text-4xl">close</span>
     </button>
     <slot name="outer" />
-    <div ref="content" tabindex="0" style="min-width: 380px; min-height: 200px; max-width: 100vw" class="relative text-white outline-none" :style="{ height: modalHeight, width: modalWidth, marginTop: contentMarginTop + 'px' }" @mousedown="mousedownModal" @mouseup="mouseupModal" v-click-outside="clickBg">
+    <div ref="content" tabindex="0" style="min-width: 380px; min-height: 200px; max-width: 100vw" class="relative text-white outline-hidden" :style="{ height: modalHeight, width: modalWidth, marginTop: contentMarginTop + 'px' }" @mousedown="mousedownModal" @mouseup="mouseupModal" v-click-outside="clickBg">
       <slot />
-      <div v-if="processing" class="absolute top-0 left-0 right-0 bottom-0 w-full h-full bg-black bg-opacity-60 rounded-lg flex items-center justify-center">
+      <div v-if="processing" class="absolute top-0 left-0 right-0 bottom-0 w-full h-full bg-black/60 rounded-lg flex items-center justify-center">
         <ui-loading-indicator />
       </div>
     </div>
@@ -163,4 +163,4 @@ export default {
     this.$eventBus.$off('showing-prompt', this.showingPrompt)
   }
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/modals/ShareModal.vue b/client/components/modals/ShareModal.vue
index 0ae65ec6..24994b22 100644
--- a/client/components/modals/ShareModal.vue
+++ b/client/components/modals/ShareModal.vue
@@ -30,7 +30,7 @@
             <label class="px-1 text-sm font-semibold block">{{ $strings.LabelSlug }}</label>
             <ui-text-input v-model="newShareSlug" class="text-base h-10" />
           </div>
-          <div class="flex-grow" />
+          <div class="grow" />
           <div class="w-full sm:w-80">
             <label class="px-1 text-sm font-semibold block">{{ $strings.LabelDuration }}</label>
             <div class="inline-flex items-center space-x-2">
@@ -60,9 +60,9 @@
         <p class="text-sm text-gray-300 py-1 px-1" v-html="$getString('MessageShareExpirationWillBe', [expirationDateString])" />
       </template>
       <div class="flex items-center pt-6">
-        <div class="flex-grow" />
-        <ui-btn v-if="currentShare" color="error" small @click="deleteShare">{{ $strings.ButtonDelete }}</ui-btn>
-        <ui-btn v-if="!currentShare" color="success" small @click="openShare">{{ $strings.ButtonShare }}</ui-btn>
+        <div class="grow" />
+        <ui-btn v-if="currentShare" color="bg-error" small @click="deleteShare">{{ $strings.ButtonDelete }}</ui-btn>
+        <ui-btn v-if="!currentShare" color="bg-success" small @click="openShare">{{ $strings.ButtonShare }}</ui-btn>
       </div>
     </div>
   </modals-modal>
diff --git a/client/components/modals/SleepTimerModal.vue b/client/components/modals/SleepTimerModal.vue
index 48210582..53b227e8 100644
--- a/client/components/modals/SleepTimerModal.vue
+++ b/client/components/modals/SleepTimerModal.vue
@@ -15,7 +15,7 @@
         </template>
         <form class="flex items-center justify-center px-6 py-3" @submit.prevent="submitCustomTime">
           <ui-text-input v-model="customTime" type="number" step="any" min="0.1" :placeholder="$strings.LabelTimeInMinutes" class="w-48" />
-          <ui-btn color="success" type="submit" :padding-x="0" class="h-9 w-18 flex items-center justify-center ml-1">{{ $strings.ButtonSubmit }}</ui-btn>
+          <ui-btn color="bg-success" type="submit" :padding-x="0" class="h-9 w-18 flex items-center justify-center ml-1">{{ $strings.ButtonSubmit }}</ui-btn>
         </form>
       </div>
       <div v-if="timerSet" class="w-full p-4">
diff --git a/client/components/modals/UploadImageModal.vue b/client/components/modals/UploadImageModal.vue
index 9a55ae51..c704ef1e 100644
--- a/client/components/modals/UploadImageModal.vue
+++ b/client/components/modals/UploadImageModal.vue
@@ -5,9 +5,9 @@
         <div class="w-40 pr-2 pt-4" style="min-width: 160px">
           <ui-file-input ref="fileInput" @change="fileUploadSelected">Upload Cover</ui-file-input>
         </div>
-        <form @submit.prevent="submitForm" class="flex flex-grow">
+        <form @submit.prevent="submitForm" class="flex grow">
           <ui-text-input-with-label v-model="imageUrl" label="Cover Image URL" />
-          <ui-btn color="success" type="submit" :padding-x="4" class="mt-5 ml-3 w-24">Update</ui-btn>
+          <ui-btn color="bg-success" type="submit" :padding-x="4" class="mt-5 ml-3 w-24">Update</ui-btn>
         </form>
       </div>
       <div v-if="previewUpload" class="absolute top-0 left-0 w-full h-full z-10 bg-bg p-8">
@@ -18,7 +18,7 @@
         </div>
         <div class="absolute bottom-0 right-0 flex py-4 px-5">
           <ui-btn :disabled="processingUpload" class="mx-2" @click="resetCoverPreview">Clear</ui-btn>
-          <ui-btn :loading="processingUpload" color="success" @click="submitCoverUpload">Upload</ui-btn>
+          <ui-btn :loading="processingUpload" color="bg-success" @click="submitCoverUpload">Upload</ui-btn>
         </div>
       </div>
     </div>
diff --git a/client/components/modals/authors/EditModal.vue b/client/components/modals/authors/EditModal.vue
index 93ec8855..a4a5a7e7 100644
--- a/client/components/modals/authors/EditModal.vue
+++ b/client/components/modals/authors/EditModal.vue
@@ -15,10 +15,10 @@
             </div>
           </div>
         </div>
-        <div class="flex-grow">
-          <form @submit.prevent="submitUploadCover" class="flex flex-grow mb-2 p-2">
+        <div class="grow">
+          <form @submit.prevent="submitUploadCover" class="flex grow mb-2 p-2">
             <ui-text-input v-model="imageUrl" :placeholder="$strings.LabelImageURLFromTheWeb" class="h-9 w-full" />
-            <ui-btn color="success" type="submit" :padding-x="4" :disabled="!imageUrl" class="ml-2 sm:ml-3 w-24 h-9">{{ $strings.ButtonSubmit }}</ui-btn>
+            <ui-btn color="bg-success" type="submit" :padding-x="4" :disabled="!imageUrl" class="ml-2 sm:ml-3 w-24 h-9">{{ $strings.ButtonSubmit }}</ui-btn>
           </form>
 
           <form v-if="author" @submit.prevent="submitForm">
@@ -26,7 +26,7 @@
               <div class="w-3/4 p-2">
                 <ui-text-input-with-label v-model="authorCopy.name" :disabled="processing" :label="$strings.LabelName" />
               </div>
-              <div class="flex-grow p-2">
+              <div class="grow p-2">
                 <ui-text-input-with-label v-model="authorCopy.asin" :disabled="processing" label="ASIN" />
               </div>
             </div>
@@ -35,8 +35,8 @@
             </div>
 
             <div class="flex pt-2 px-2">
-              <ui-btn v-if="userCanDelete" small color="error" type="button" @click.stop="removeClick">{{ $strings.ButtonRemove }}</ui-btn>
-              <div class="flex-grow" />
+              <ui-btn v-if="userCanDelete" small color="bg-error" type="button" @click.stop="removeClick">{{ $strings.ButtonRemove }}</ui-btn>
+              <div class="grow" />
               <ui-btn type="button" class="mx-2" @click="searchAuthor">{{ $strings.ButtonQuickMatch }}</ui-btn>
 
               <ui-btn type="submit">{{ $strings.ButtonSave }}</ui-btn>
diff --git a/client/components/modals/bookmarks/BookmarkItem.vue b/client/components/modals/bookmarks/BookmarkItem.vue
index 538d3115..6652a288 100644
--- a/client/components/modals/bookmarks/BookmarkItem.vue
+++ b/client/components/modals/bookmarks/BookmarkItem.vue
@@ -5,16 +5,16 @@
         {{ this.$secondsToTimestamp(bookmark.time / playbackRate) }}
       </p>
     </div>
-    <div class="flex-grow overflow-hidden px-2">
+    <div class="grow overflow-hidden px-2">
       <template v-if="isEditing">
         <form @submit.prevent="submitUpdate">
           <div class="flex items-center">
-            <div class="flex-grow pr-2">
+            <div class="grow pr-2">
               <ui-text-input v-model="newBookmarkTitle" placeholder="Note" class="w-full h-10" />
             </div>
-            <ui-btn type="submit" color="success" :padding-x="4" class="h-10"><span class="material-symbols text-2xl -mt-px">forward</span></ui-btn>
+            <ui-btn type="submit" color="bg-success" :padding-x="4" class="h-10"><span class="material-symbols text-2xl -mt-px">forward</span></ui-btn>
             <div class="pl-2 flex items-center">
-              <span class="material-symbols text-3xl text-white text-opacity-70 hover:text-opacity-95 cursor-pointer" @click.stop.prevent="cancelEditing">close</span>
+              <span class="material-symbols text-3xl text-white/70 hover:text-white/95 cursor-pointer" @click.stop.prevent="cancelEditing">close</span>
             </div>
           </div>
         </form>
@@ -48,7 +48,7 @@ export default {
   computed: {
     wrapperClass() {
       var classes = []
-      if (this.highlight) classes.push('bg-bg bg-opacity-60')
+      if (this.highlight) classes.push('bg-bg/60')
       if (!this.isEditing) classes.push('cursor-pointer')
       return classes.join(' ')
     }
@@ -99,4 +99,4 @@ export default {
     }
   }
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/modals/changelog/ViewModal.vue b/client/components/modals/changelog/ViewModal.vue
index 855fb6f8..1b332a1d 100644
--- a/client/components/modals/changelog/ViewModal.vue
+++ b/client/components/modals/changelog/ViewModal.vue
@@ -62,6 +62,8 @@ since we don't have access to the actual elements in this component
 
 2. v-deep allows these to take effect on the content passed in to the v-html in the div above
 */
+@reference "tailwindcss";
+
 .custom-text ::v-deep > h2 {
   @apply text-lg font-bold;
 }
diff --git a/client/components/modals/collections/AddCreateModal.vue b/client/components/modals/collections/AddCreateModal.vue
index 17959526..24e8695d 100644
--- a/client/components/modals/collections/AddCreateModal.vue
+++ b/client/components/modals/collections/AddCreateModal.vue
@@ -33,13 +33,13 @@
           </div>
         </div>
 
-        <div class="w-full h-px bg-white bg-opacity-10" />
+        <div class="w-full h-px bg-white/10" />
         <form @submit.prevent="submitCreateCollection">
-          <div class="flex px-4 py-2 items-center text-center border-b border-white border-opacity-10 text-white text-opacity-80">
-            <div class="flex-grow px-2">
+          <div class="flex px-4 py-2 items-center text-center border-b border-white/10 text-white/80">
+            <div class="grow px-2">
               <ui-text-input v-model="newCollectionName" :placeholder="$strings.PlaceholderNewCollection" class="w-full" />
             </div>
-            <ui-btn type="submit" color="success" :padding-x="4" class="h-10">{{ $strings.ButtonCreate }}</ui-btn>
+            <ui-btn type="submit" color="bg-success" :padding-x="4" class="h-10">{{ $strings.ButtonCreate }}</ui-btn>
           </div>
         </form>
       </div>
diff --git a/client/components/modals/collections/CollectionItem.vue b/client/components/modals/collections/CollectionItem.vue
index 62ca8620..466b9c8a 100644
--- a/client/components/modals/collections/CollectionItem.vue
+++ b/client/components/modals/collections/CollectionItem.vue
@@ -4,12 +4,12 @@
     <div class="w-20 max-w-20 text-center">
       <covers-collection-cover :book-items="books" :width="80" :height="40 * bookCoverAspectRatio" :book-cover-aspect-ratio="bookCoverAspectRatio" />
     </div>
-    <div class="flex-grow overflow-hidden px-2">
+    <div class="grow overflow-hidden px-2">
       <nuxt-link :to="`/collection/${collection.id}`" class="pl-2 pr-2 truncate hover:underline cursor-pointer" @click.native="clickNuxtLink">{{ collection.name }}</nuxt-link>
     </div>
     <div class="h-full flex items-center justify-end transform" :class="isHovering ? 'transition-transform translate-0 w-16' : 'translate-x-40 w-0'">
-      <ui-btn v-if="!isBookIncluded" color="success" :padding-x="3" small class="h-9" @click.stop="clickAdd"><span class="material-symbols text-2xl pt-px">add</span></ui-btn>
-      <ui-btn v-else color="error" :padding-x="3" class="h-9" small @click.stop="clickRem"><span class="material-symbols text-2xl pt-px">remove</span></ui-btn>
+      <ui-btn v-if="!isBookIncluded" color="bg-success" :padding-x="3" small class="h-9" @click.stop="clickAdd"><span class="material-symbols text-2xl pt-px">add</span></ui-btn>
+      <ui-btn v-else color="bg-error" :padding-x="3" class="h-9" small @click.stop="clickRem"><span class="material-symbols text-2xl pt-px">remove</span></ui-btn>
     </div>
   </div>
 </template>
@@ -55,4 +55,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/modals/collections/EditModal.vue b/client/components/modals/collections/EditModal.vue
index 258841e4..61ce2fc8 100644
--- a/client/components/modals/collections/EditModal.vue
+++ b/client/components/modals/collections/EditModal.vue
@@ -12,32 +12,32 @@
             <div class="w-full flex justify-center mb-2 md:w-auto md:mb-0 md:block">
               <covers-collection-cover :book-items="books" :width="200" :height="100 * bookCoverAspectRatio" :book-cover-aspect-ratio="bookCoverAspectRatio" />
             </div>
-            <div class="flex-grow px-4">
+            <div class="grow px-4">
               <ui-text-input-with-label v-model="newCollectionName" :label="$strings.LabelName" class="mb-2" />
 
               <ui-textarea-with-label v-model="newCollectionDescription" :label="$strings.LabelDescription" />
             </div>
           </div>
           <div class="absolute bottom-0 left-0 right-0 w-full py-4 px-4 flex">
-            <ui-btn v-if="userCanDelete" small color="error" type="button" @click.stop="removeClick">{{ $strings.ButtonRemove }}</ui-btn>
-            <div class="flex-grow" />
-            <ui-btn color="success" type="submit">{{ $strings.ButtonSave }}</ui-btn>
+            <ui-btn v-if="userCanDelete" small color="bg-error" type="button" @click.stop="removeClick">{{ $strings.ButtonRemove }}</ui-btn>
+            <div class="grow" />
+            <ui-btn color="bg-success" type="submit">{{ $strings.ButtonSave }}</ui-btn>
           </div>
         </form>
       </template>
       <template v-else>
         <div class="flex items-center mb-3">
-          <div class="hover:bg-white hover:bg-opacity-10 cursor-pointer h-11 w-11 flex items-center justify-center rounded-full" @click="showImageUploader = false">
+          <div class="hover:bg-white/10 cursor-pointer h-11 w-11 flex items-center justify-center rounded-full" @click="showImageUploader = false">
             <span class="material-symbols text-4xl">arrow_back</span>
           </div>
           <p class="ml-2 text-xl mb-1">Collection Cover Image</p>
         </div>
         <div class="flex mb-4">
           <ui-btn small class="mr-2">Upload</ui-btn>
-          <ui-text-input v-model="newCoverImage" class="flex-grow" placeholder="Collection Cover Image" />
+          <ui-text-input v-model="newCoverImage" class="grow" placeholder="Collection Cover Image" />
         </div>
         <div class="flex justify-end">
-          <ui-btn color="success">Upload</ui-btn>
+          <ui-btn color="bg-success">Upload</ui-btn>
         </div>
       </template>
     </div>
diff --git a/client/components/modals/emails/EReaderDeviceModal.vue b/client/components/modals/emails/EReaderDeviceModal.vue
index 5261fb55..be1c4104 100644
--- a/client/components/modals/emails/EReaderDeviceModal.vue
+++ b/client/components/modals/emails/EReaderDeviceModal.vue
@@ -26,8 +26,8 @@
           </div>
 
           <div class="flex items-center pt-4">
-            <div class="flex-grow" />
-            <ui-btn color="success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
+            <div class="grow" />
+            <ui-btn color="bg-success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
           </div>
         </div>
       </div>
diff --git a/client/components/modals/emails/UserEReaderDeviceModal.vue b/client/components/modals/emails/UserEReaderDeviceModal.vue
index b1706305..c6e0b20b 100644
--- a/client/components/modals/emails/UserEReaderDeviceModal.vue
+++ b/client/components/modals/emails/UserEReaderDeviceModal.vue
@@ -18,8 +18,8 @@
           </div>
 
           <div class="flex items-center pt-4">
-            <div class="flex-grow" />
-            <ui-btn color="success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
+            <div class="grow" />
+            <ui-btn color="bg-success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
           </div>
         </div>
       </div>
diff --git a/client/components/modals/item/EditModal.vue b/client/components/modals/item/EditModal.vue
index ca6094d8..232c3228 100644
--- a/client/components/modals/item/EditModal.vue
+++ b/client/components/modals/item/EditModal.vue
@@ -16,10 +16,10 @@
     </div>
 
     <div v-show="canGoPrev" class="absolute -left-24 top-0 bottom-0 h-full pointer-events-none flex items-center px-6">
-      <button class="material-symbols text-5xl text-white text-opacity-50 hover:text-opacity-90 cursor-pointer pointer-events-auto" :aria-label="$strings.ButtonNext" @click.stop.prevent="goPrevBook" @mousedown.prevent>arrow_back_ios</button>
+      <button class="material-symbols text-5xl text-white/50 hover:text-white/90 cursor-pointer pointer-events-auto" :aria-label="$strings.ButtonNext" @click.stop.prevent="goPrevBook" @mousedown.prevent>arrow_back_ios</button>
     </div>
     <div v-show="canGoNext" class="absolute -right-24 top-0 bottom-0 h-full pointer-events-none flex items-center px-6">
-      <button class="material-symbols text-5xl text-white text-opacity-50 hover:text-opacity-90 cursor-pointer pointer-events-auto" :aria-label="$strings.ButtonPrevious" @click.stop.prevent="goNextBook" @mousedown.prevent>arrow_forward_ios</button>
+      <button class="material-symbols text-5xl text-white/50 hover:text-white/90 cursor-pointer pointer-events-auto" :aria-label="$strings.ButtonPrevious" @click.stop.prevent="goNextBook" @mousedown.prevent>arrow_forward_ios</button>
     </div>
   </modals-modal>
 </template>
diff --git a/client/components/modals/item/tabs/Cover.vue b/client/components/modals/item/tabs/Cover.vue
index 5b371fc4..fd258760 100644
--- a/client/components/modals/item/tabs/Cover.vue
+++ b/client/components/modals/item/tabs/Cover.vue
@@ -6,33 +6,33 @@
 
         <!-- book cover overlay -->
         <div v-if="media.coverPath" class="absolute top-0 left-0 w-full h-full z-10 opacity-0 hover:opacity-100 transition-opacity duration-100">
-          <div class="absolute top-0 left-0 w-full h-16 bg-gradient-to-b from-black-600 to-transparent" />
-          <div v-if="userCanDelete" class="p-1 absolute top-1 right-1 text-red-500 rounded-full w-8 h-8 cursor-pointer hover:text-red-400 shadow-sm" @click="removeCover">
+          <div class="absolute top-0 left-0 w-full h-16 bg-linear-to-b from-black-600 to-transparent" />
+          <div v-if="userCanDelete" class="p-1 absolute top-1 right-1 text-red-500 rounded-full w-8 h-8 cursor-pointer hover:text-red-400 shadow-xs" @click="removeCover">
             <ui-tooltip direction="top" :text="$strings.LabelRemoveCover">
               <span class="material-symbols text-2xl">delete</span>
             </ui-tooltip>
           </div>
         </div>
       </div>
-      <div class="flex-grow sm:pl-2 md:pl-6 sm:pr-2 mt-6 md:mt-0">
+      <div class="grow sm:pl-2 md:pl-6 sm:pr-2 mt-6 md:mt-0">
         <div class="flex items-center">
           <div v-if="userCanUpload" class="w-10 md:w-40 pr-2 md:min-w-32">
             <ui-file-input ref="fileInput" @change="fileUploadSelected">
               <span class="hidden md:inline-block">{{ $strings.ButtonUploadCover }}</span>
-              <span class="material-symbols text-2xl inline-block md:!hidden">upload</span>
+              <span class="material-symbols text-2xl inline-block md:hidden!">upload</span>
             </ui-file-input>
           </div>
 
-          <form @submit.prevent="submitForm" class="flex flex-grow">
+          <form @submit.prevent="submitForm" class="flex grow">
             <ui-text-input v-model="imageUrl" :placeholder="$strings.LabelImageURLFromTheWeb" class="h-9 w-full" />
-            <ui-btn color="success" type="submit" :padding-x="4" :disabled="!imageUrl" class="ml-2 sm:ml-3 w-24 h-9">{{ $strings.ButtonSubmit }}</ui-btn>
+            <ui-btn color="bg-success" type="submit" :padding-x="4" :disabled="!imageUrl" class="ml-2 sm:ml-3 w-24 h-9">{{ $strings.ButtonSubmit }}</ui-btn>
           </form>
         </div>
 
-        <div v-if="localCovers.length" class="mb-4 mt-6 border-t border-b border-white border-opacity-10">
+        <div v-if="localCovers.length" class="mb-4 mt-6 border-t border-b border-white/10">
           <div class="flex items-center justify-center py-2">
             <p>{{ localCovers.length }} local image{{ localCovers.length !== 1 ? 's' : '' }}</p>
-            <div class="flex-grow" />
+            <div class="grow" />
             <ui-btn small @click="showLocalCovers = !showLocalCovers">{{ showLocalCovers ? $strings.ButtonHide : $strings.ButtonShow }}</ui-btn>
           </div>
 
@@ -50,13 +50,13 @@
     </div>
     <form @submit.prevent="submitSearchForm">
       <div class="flex flex-wrap sm:flex-nowrap items-center justify-start -mx-1">
-        <div class="w-48 flex-grow p-1">
+        <div class="w-48 grow p-1">
           <ui-dropdown v-model="provider" :items="providers" :label="$strings.LabelProvider" small />
         </div>
-        <div class="w-72 flex-grow p-1">
+        <div class="w-72 grow p-1">
           <ui-text-input-with-label v-model="searchTitle" :label="searchTitleLabel" :placeholder="$strings.PlaceholderSearch" />
         </div>
-        <div v-show="provider != 'itunes' && provider != 'audiobookcovers'" class="w-72 flex-grow p-1">
+        <div v-show="provider != 'itunes' && provider != 'audiobookcovers'" class="w-72 grow p-1">
           <ui-text-input-with-label v-model="searchAuthor" :label="$strings.LabelAuthor" />
         </div>
         <ui-btn class="mt-5 ml-1 md:min-w-24" :padding-x="4" type="submit">{{ $strings.ButtonSearch }}</ui-btn>
@@ -79,7 +79,7 @@
       </div>
       <div class="absolute bottom-0 right-0 flex py-4 px-5">
         <ui-btn :disabled="processingUpload" class="mx-2" @click="resetCoverPreview">{{ $strings.ButtonReset }}</ui-btn>
-        <ui-btn :loading="processingUpload" color="success" @click="submitCoverUpload">{{ $strings.ButtonUpload }}</ui-btn>
+        <ui-btn :loading="processingUpload" color="bg-success" @click="submitCoverUpload">{{ $strings.ButtonUpload }}</ui-btn>
       </div>
     </div>
   </div>
diff --git a/client/components/modals/item/tabs/Details.vue b/client/components/modals/item/tabs/Details.vue
index 2765ae2e..e099f2bb 100644
--- a/client/components/modals/item/tabs/Details.vue
+++ b/client/components/modals/item/tabs/Details.vue
@@ -5,15 +5,15 @@
       <widgets-podcast-details-edit v-else ref="itemDetailsEdit" :library-item="libraryItem" @submit="saveAndClose" />
     </div>
 
-    <div class="absolute bottom-0 left-0 w-full py-2 md:py-4 bg-bg" :class="isScrollable ? 'box-shadow-md-up' : 'border-t border-white border-opacity-5'">
+    <div class="absolute bottom-0 left-0 w-full py-2 md:py-4 bg-bg" :class="isScrollable ? 'box-shadow-md-up' : 'border-t border-white/5'">
       <div class="flex items-center px-4">
         <ui-tooltip :disabled="!!quickMatching" :text="$getString('MessageQuickMatchDescription', [libraryProvider])" direction="bottom" class="mr-2 md:mr-4">
-          <ui-btn v-if="userIsAdminOrUp" :loading="quickMatching" color="bg" type="button" class="h-full" small @click.stop.prevent="quickMatch">{{ $strings.ButtonQuickMatch }}</ui-btn>
+          <ui-btn v-if="userIsAdminOrUp" :loading="quickMatching" color="bg-bg" type="button" class="h-full" small @click.stop.prevent="quickMatch">{{ $strings.ButtonQuickMatch }}</ui-btn>
         </ui-tooltip>
 
-        <ui-btn v-if="userIsAdminOrUp && !isFile" :loading="rescanning" :disabled="isLibraryScanning" color="bg" type="button" class="h-full" small @click.stop.prevent="rescan">{{ $strings.ButtonReScan }}</ui-btn>
+        <ui-btn v-if="userIsAdminOrUp && !isFile" :loading="rescanning" :disabled="isLibraryScanning" color="bg-bg" type="button" class="h-full" small @click.stop.prevent="rescan">{{ $strings.ButtonReScan }}</ui-btn>
 
-        <div class="flex-grow" />
+        <div class="grow" />
 
         <!-- desktop -->
         <ui-btn @click="save" class="mx-2 hidden md:block">{{ $strings.ButtonSave }}</ui-btn>
diff --git a/client/components/modals/item/tabs/Match.vue b/client/components/modals/item/tabs/Match.vue
index 623ef2a1..41043be7 100644
--- a/client/components/modals/item/tabs/Match.vue
+++ b/client/components/modals/item/tabs/Match.vue
@@ -5,7 +5,7 @@
         <div class="w-36 px-1">
           <ui-dropdown v-model="provider" :items="providers" :label="$strings.LabelProvider" small />
         </div>
-        <div class="flex-grow md:w-72 px-1">
+        <div class="grow md:w-72 px-1">
           <ui-text-input-with-label v-model="searchTitle" :label="searchTitleLabel" :placeholder="$strings.PlaceholderSearch" />
         </div>
         <div v-show="provider != 'itunes'" class="w-60 md:w-72 px-1">
@@ -27,7 +27,7 @@
     </div>
     <div v-if="selectedMatchOrig" class="absolute top-0 left-0 w-full bg-bg h-full px-2 py-6 md:p-8 max-h-full overflow-y-auto overflow-x-hidden">
       <div class="flex mb-4">
-        <div class="w-8 h-8 rounded-full hover:bg-white hover:bg-opacity-10 flex items-center justify-center cursor-pointer" @click="clearSelectedMatch">
+        <div class="w-8 h-8 rounded-full hover:bg-white/10 flex items-center justify-center cursor-pointer" @click="clearSelectedMatch">
           <span class="material-symbols text-3xl">arrow_back</span>
         </div>
         <p class="text-xl pl-3">{{ $strings.HeaderUpdateDetails }}</p>
@@ -35,9 +35,9 @@
       <ui-checkbox v-model="selectAll" :label="$strings.LabelSelectAll" checkbox-bg="bg" @input="selectAllToggled" />
       <form @submit.prevent="submitMatchUpdate">
         <div v-if="selectedMatchOrig.cover" class="flex flex-wrap md:flex-nowrap items-center justify-center">
-          <div class="flex flex-grow items-center py-2">
+          <div class="flex grow items-center py-2">
             <ui-checkbox v-model="selectedMatchUsage.cover" checkbox-bg="bg" @input="checkboxToggled" />
-            <ui-text-input-with-label v-model="selectedMatch.cover" :disabled="!selectedMatchUsage.cover" readonly :label="$strings.LabelCover" class="flex-grow mx-4" />
+            <ui-text-input-with-label v-model="selectedMatch.cover" :disabled="!selectedMatchUsage.cover" readonly :label="$strings.LabelCover" class="grow mx-4" />
           </div>
 
           <div class="flex py-2">
@@ -57,63 +57,63 @@
         </div>
         <div v-if="selectedMatchOrig.title" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.title" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.title" :disabled="!selectedMatchUsage.title" :label="$strings.LabelTitle" />
-            <p v-if="mediaMetadata.title" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.title" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('title', mediaMetadata.title)">{{ mediaMetadata.title || '' }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.subtitle" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.subtitle" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.subtitle" :disabled="!selectedMatchUsage.subtitle" :label="$strings.LabelSubtitle" />
-            <p v-if="mediaMetadata.subtitle" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.subtitle" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('subtitle', mediaMetadata.subtitle)">{{ mediaMetadata.subtitle }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.author" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.author" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.author" :disabled="!selectedMatchUsage.author" :label="$strings.LabelAuthor" />
-            <p v-if="mediaMetadata.authorName" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.authorName" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('author', mediaMetadata.authorName)">{{ mediaMetadata.authorName }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.narrator" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.narrator" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-multi-select v-model="selectedMatch.narrator" :items="narrators" :disabled="!selectedMatchUsage.narrator" :label="$strings.LabelNarrators" />
-            <p v-if="mediaMetadata.narratorName" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.narratorName" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('narrator', mediaMetadata.narrators)">{{ mediaMetadata.narratorName }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.description" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.description" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-rich-text-editor v-model="selectedMatch.description" :disabled="!selectedMatchUsage.description" :label="$strings.LabelDescription" />
-            <p v-if="mediaMetadata.description" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.description" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('description', mediaMetadata.description)">{{ mediaMetadata.descriptionPlain.substr(0, 100) + (mediaMetadata.descriptionPlain.length > 100 ? '...' : '') }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.publisher" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.publisher" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.publisher" :disabled="!selectedMatchUsage.publisher" :label="$strings.LabelPublisher" />
-            <p v-if="mediaMetadata.publisher" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.publisher" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('publisher', mediaMetadata.publisher)">{{ mediaMetadata.publisher }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.publishedYear" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.publishedYear" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.publishedYear" :disabled="!selectedMatchUsage.publishedYear" :label="$strings.LabelPublishYear" />
-            <p v-if="mediaMetadata.publishedYear" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.publishedYear" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('publishedYear', mediaMetadata.publishedYear)">{{ mediaMetadata.publishedYear }}</a>
             </p>
           </div>
@@ -121,54 +121,54 @@
 
         <div v-if="selectedMatchOrig.series" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.series" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <widgets-series-input-widget v-model="selectedMatch.series" :disabled="!selectedMatchUsage.series" />
-            <p v-if="mediaMetadata.seriesName" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.seriesName" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('series', mediaMetadata.series)">{{ mediaMetadata.seriesName }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.genres?.length" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.genres" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-multi-select v-model="selectedMatch.genres" :items="genres" :disabled="!selectedMatchUsage.genres" :label="$strings.LabelGenres" />
-            <p v-if="mediaMetadata.genres?.length" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.genres?.length" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('genres', mediaMetadata.genres)">{{ mediaMetadata.genres.join(', ') }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.tags" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.tags" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-multi-select v-model="selectedMatch.tags" :items="tags" :disabled="!selectedMatchUsage.tags" :label="$strings.LabelTags" />
-            <p v-if="media.tags?.length" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="media.tags?.length" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('tags', media.tags)">{{ media.tags.join(', ') }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.language" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.language" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.language" :disabled="!selectedMatchUsage.language" :label="$strings.LabelLanguage" />
-            <p v-if="mediaMetadata.language" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.language" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('language', mediaMetadata.language)">{{ mediaMetadata.language }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.isbn" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.isbn" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.isbn" :disabled="!selectedMatchUsage.isbn" label="ISBN" />
-            <p v-if="mediaMetadata.isbn" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.isbn" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('isbn', mediaMetadata.isbn)">{{ mediaMetadata.isbn }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.asin" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.asin" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.asin" :disabled="!selectedMatchUsage.asin" label="ASIN" />
-            <p v-if="mediaMetadata.asin" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.asin" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('asin', mediaMetadata.asin)">{{ mediaMetadata.asin }}</a>
             </p>
           </div>
@@ -176,57 +176,57 @@
 
         <div v-if="selectedMatchOrig.itunesId" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.itunesId" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.itunesId" type="number" :disabled="!selectedMatchUsage.itunesId" label="iTunes ID" />
-            <p v-if="mediaMetadata.itunesId" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.itunesId" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('itunesId', mediaMetadata.itunesId)">{{ mediaMetadata.itunesId }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.feedUrl" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.feedUrl" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.feedUrl" :disabled="!selectedMatchUsage.feedUrl" label="RSS Feed URL" />
-            <p v-if="mediaMetadata.feedUrl" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.feedUrl" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('feedUrl', mediaMetadata.feedUrl)">{{ mediaMetadata.feedUrl }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.itunesPageUrl" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.itunesPageUrl" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.itunesPageUrl" :disabled="!selectedMatchUsage.itunesPageUrl" label="iTunes Page URL" />
-            <p v-if="mediaMetadata.itunesPageUrl" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.itunesPageUrl" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('itunesPageUrl', mediaMetadata.itunesPageUrl)">{{ mediaMetadata.itunesPageUrl }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.releaseDate" class="flex items-center py-2">
           <ui-checkbox v-model="selectedMatchUsage.releaseDate" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4">
+          <div class="grow ml-4">
             <ui-text-input-with-label v-model="selectedMatch.releaseDate" :disabled="!selectedMatchUsage.releaseDate" :label="$strings.LabelReleaseDate" />
-            <p v-if="mediaMetadata.releaseDate" class="text-xs ml-1 text-white text-opacity-60">
+            <p v-if="mediaMetadata.releaseDate" class="text-xs ml-1 text-white/60">
               {{ $strings.LabelCurrently }} <a :title="$strings.LabelClickToUseCurrentValue" class="cursor-pointer hover:underline" @click.stop="setMatchFieldValue('releaseDate', mediaMetadata.releaseDate)">{{ mediaMetadata.releaseDate }}</a>
             </p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.explicit != null" class="flex items-center pb-2" :class="{ 'pt-2': mediaMetadata.explicit == null }">
           <ui-checkbox v-model="selectedMatchUsage.explicit" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4" :class="{ 'pt-4': mediaMetadata.explicit != null }">
+          <div class="grow ml-4" :class="{ 'pt-4': mediaMetadata.explicit != null }">
             <ui-checkbox v-model="selectedMatch.explicit" :label="$strings.LabelExplicit" :disabled="!selectedMatchUsage.explicit" :checkbox-bg="!selectedMatchUsage.explicit ? 'bg' : 'primary'" border-color="gray-600" label-class="pl-2 text-base font-semibold" />
-            <p v-if="mediaMetadata.explicit != null" class="text-xs ml-1 text-white text-opacity-60">{{ $strings.LabelCurrently }} {{ mediaMetadata.explicit ? $strings.LabelExplicitChecked : $strings.LabelExplicitUnchecked }}</p>
+            <p v-if="mediaMetadata.explicit != null" class="text-xs ml-1 text-white/60">{{ $strings.LabelCurrently }} {{ mediaMetadata.explicit ? $strings.LabelExplicitChecked : $strings.LabelExplicitUnchecked }}</p>
           </div>
         </div>
         <div v-if="selectedMatchOrig.abridged != null" class="flex items-center pb-2" :class="{ 'pt-2': mediaMetadata.abridged == null }">
           <ui-checkbox v-model="selectedMatchUsage.abridged" checkbox-bg="bg" @input="checkboxToggled" />
-          <div class="flex-grow ml-4" :class="{ 'pt-4': mediaMetadata.abridged != null }">
+          <div class="grow ml-4" :class="{ 'pt-4': mediaMetadata.abridged != null }">
             <ui-checkbox v-model="selectedMatch.abridged" :label="$strings.LabelAbridged" :disabled="!selectedMatchUsage.abridged" :checkbox-bg="!selectedMatchUsage.abridged ? 'bg' : 'primary'" border-color="gray-600" label-class="pl-2 text-base font-semibold" />
-            <p v-if="mediaMetadata.abridged != null" class="text-xs ml-1 text-white text-opacity-60">{{ $strings.LabelCurrently }} {{ mediaMetadata.abridged ? $strings.LabelAbridgedChecked : $strings.LabelAbridgedUnchecked }}</p>
+            <p v-if="mediaMetadata.abridged != null" class="text-xs ml-1 text-white/60">{{ $strings.LabelCurrently }} {{ mediaMetadata.abridged ? $strings.LabelAbridgedChecked : $strings.LabelAbridgedUnchecked }}</p>
           </div>
         </div>
 
         <div class="flex items-center justify-end py-2">
-          <ui-btn color="success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
+          <ui-btn color="bg-success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
         </div>
       </form>
     </div>
diff --git a/client/components/modals/item/tabs/Schedule.vue b/client/components/modals/item/tabs/Schedule.vue
index ecbf1c4e..2cd3af51 100644
--- a/client/components/modals/item/tabs/Schedule.vue
+++ b/client/components/modals/item/tabs/Schedule.vue
@@ -33,10 +33,10 @@
       </template>
     </div>
 
-    <div v-if="feedUrl || autoDownloadEpisodes" class="absolute bottom-0 left-0 w-full py-2 md:py-4 bg-bg border-t border-white border-opacity-5">
+    <div v-if="feedUrl || autoDownloadEpisodes" class="absolute bottom-0 left-0 w-full py-2 md:py-4 bg-bg border-t border-white/5">
       <div class="flex items-center px-2 md:px-4">
-        <div class="flex-grow" />
-        <ui-btn @click="save" :disabled="!isUpdated" :color="isUpdated ? 'success' : 'primary'" class="mx-2">{{ isUpdated ? $strings.ButtonSave : $strings.MessageNoUpdatesWereNecessary }}</ui-btn>
+        <div class="grow" />
+        <ui-btn @click="save" :disabled="!isUpdated" :color="isUpdated ? 'bg-success' : 'bg-primary'" class="mx-2">{{ isUpdated ? $strings.ButtonSave : $strings.MessageNoUpdatesWereNecessary }}</ui-btn>
       </div>
     </div>
   </div>
diff --git a/client/components/modals/item/tabs/Tools.vue b/client/components/modals/item/tabs/Tools.vue
index 5f148c3d..d7e19cc8 100644
--- a/client/components/modals/item/tabs/Tools.vue
+++ b/client/components/modals/item/tabs/Tools.vue
@@ -9,7 +9,7 @@
           <p class="text-lg">{{ $strings.LabelToolsMakeM4b }}</p>
           <p class="max-w-sm text-sm pt-2 text-gray-300">{{ $strings.LabelToolsMakeM4bDescription }}</p>
         </div>
-        <div class="flex-grow" />
+        <div class="grow" />
         <div>
           <ui-btn :to="`/audiobook/${libraryItemId}/manage?tool=m4b`" class="flex items-center"
             >{{ $strings.ButtonOpenManager }}
@@ -26,7 +26,7 @@
           <p class="text-lg">{{ $strings.LabelToolsEmbedMetadata }}</p>
           <p class="max-w-sm text-sm pt-2 text-gray-300">{{ $strings.LabelToolsEmbedMetadataDescription }}</p>
         </div>
-        <div class="flex-grow" />
+        <div class="grow" />
         <div>
           <ui-btn :to="`/audiobook/${libraryItemId}/manage?tool=embed`" class="flex items-center"
             >{{ $strings.ButtonOpenManager }}
diff --git a/client/components/modals/libraries/EditLibrary.vue b/client/components/modals/libraries/EditLibrary.vue
index 6eca4c80..083fc576 100644
--- a/client/components/modals/libraries/EditLibrary.vue
+++ b/client/components/modals/libraries/EditLibrary.vue
@@ -5,7 +5,7 @@
         <div class="w-2/5 md:w-72 px-1 py-1 md:py-0">
           <ui-dropdown v-model="mediaType" :items="mediaTypes" :label="$strings.LabelMediaType" :disabled="!isNew" small @input="changedMediaType" />
         </div>
-        <div class="w-full md:flex-grow px-1 py-1 md:py-0">
+        <div class="w-full md:grow px-1 py-1 md:py-0">
           <ui-text-input-with-label ref="nameInput" v-model="name" :label="$strings.LabelLibraryName" @blur="nameBlurred" />
         </div>
         <div class="w-1/5 md:w-18 px-1 py-1 md:py-0">
@@ -19,16 +19,16 @@
       <div class="folders-container overflow-y-auto w-full py-2 mb-2">
         <p class="px-1 text-sm font-semibold">{{ $strings.LabelFolders }}</p>
         <div v-for="(folder, index) in folders" :key="index" class="w-full flex items-center py-1 px-2">
-          <span class="material-symbols fill bg-opacity-50 mr-2 text-yellow-200" style="font-size: 1.2rem">folder</span>
+          <span class="material-symbols fill mr-2 text-yellow-200" style="font-size: 1.2rem">folder</span>
           <ui-editable-text ref="folderInput" v-model="folder.fullPath" :readonly="!!folder.id" type="text" class="w-full" @blur="existingFolderInputBlurred(folder)" />
           <span v-show="folders.length > 1" class="material-symbols text-2xl ml-2 cursor-pointer hover:text-error" @click="removeFolder(folder)">close</span>
         </div>
         <div class="flex py-1 px-2 items-center w-full">
-          <span class="material-symbols fill bg-opacity-50 mr-2 text-yellow-200" style="font-size: 1.2rem">folder</span>
+          <span class="material-symbols fill mr-2 text-yellow-200" style="font-size: 1.2rem">folder</span>
           <ui-editable-text ref="newFolderInput" v-model="newFolderPath" :placeholder="$strings.PlaceholderNewFolderPath" type="text" class="w-full" @blur="newFolderInputBlurred" />
         </div>
 
-        <ui-btn class="w-full mt-2" color="primary" @click="browseForFolder">{{ $strings.ButtonBrowseForFolder }}</ui-btn>
+        <ui-btn class="w-full mt-2" color="bg-primary" @click="browseForFolder">{{ $strings.ButtonBrowseForFolder }}</ui-btn>
       </div>
     </div>
     <modals-libraries-lazy-folder-chooser v-else :paths="folderPaths" @back="showDirectoryPicker = false" @select="selectFolder" />
diff --git a/client/components/modals/libraries/EditModal.vue b/client/components/modals/libraries/EditModal.vue
index 6733b7b8..a6d8a4d5 100644
--- a/client/components/modals/libraries/EditModal.vue
+++ b/client/components/modals/libraries/EditModal.vue
@@ -14,7 +14,7 @@
     <div class="px-2 md:px-4 w-full text-sm pt-2 md:pt-6 pb-20 rounded-b-lg rounded-tr-lg bg-bg shadow-lg border border-black-300 relative overflow-hidden" style="min-height: 400px; max-height: 80vh">
       <component v-if="libraryCopy && show" ref="tabComponent" :is="tabName" :is-new="!library" :library="libraryCopy" :library-id="libraryId" :processing.sync="processing" @update="updateLibrary" @close="show = false" />
 
-      <div v-show="selectedTab !== 'tools'" class="absolute bottom-0 left-0 w-full px-4 py-4 border-t border-white border-opacity-10">
+      <div v-show="selectedTab !== 'tools'" class="absolute bottom-0 left-0 w-full px-4 py-4 border-t border-white/10">
         <div class="flex justify-end">
           <ui-btn @click="submit">{{ buttonText }}</ui-btn>
         </div>
diff --git a/client/components/modals/libraries/LazyFolderChooser.vue b/client/components/modals/libraries/LazyFolderChooser.vue
index eb152c28..262938a2 100644
--- a/client/components/modals/libraries/LazyFolderChooser.vue
+++ b/client/components/modals/libraries/LazyFolderChooser.vue
@@ -4,24 +4,24 @@
       <span class="material-symbols text-3xl cursor-pointer hover:text-gray-300" @click="$emit('back')">arrow_back</span>
       <p class="px-4 text-xl">{{ $strings.HeaderChooseAFolder }}</p>
     </div>
-    <div v-if="rootDirs.length" class="w-full bg-primary bg-opacity-70 py-1 px-4 mb-2">
+    <div v-if="rootDirs.length" class="w-full bg-primary/70 py-1 px-4 mb-2">
       <p class="font-mono truncate">{{ selectedPath || '/' }}</p>
     </div>
-    <div v-if="rootDirs.length" class="relative flex bg-primary bg-opacity-50 p-4 folder-container">
+    <div v-if="rootDirs.length" class="relative flex bg-primary/50 p-4 folder-container">
       <div class="w-1/2 border-r border-bg h-full overflow-y-auto">
         <div v-if="level > 0" class="w-full p-1 cursor-pointer flex items-center hover:bg-white/10" @click="goBack">
-          <span class="material-symbols fill bg-opacity-50 text-yellow-200" style="font-size: 1.2rem">folder</span>
+          <span class="material-symbols fill text-yellow-200" style="font-size: 1.2rem">folder</span>
           <p class="text-base font-mono px-2">..</p>
         </div>
         <div v-for="dir in _directories" :key="dir.path" class="dir-item w-full p-1 cursor-pointer flex items-center hover:text-white text-gray-200 hover:bg-white/10" :class="dir.className" @click="selectDir(dir)">
-          <span class="material-symbols fill bg-opacity-50 text-yellow-200" style="font-size: 1.2rem">folder</span>
+          <span class="material-symbols fill text-yellow-200" style="font-size: 1.2rem">folder</span>
           <p class="text-base font-mono px-2 truncate">{{ dir.dirname }}</p>
           <span v-if="dir.path === selectedPath" class="material-symbols" style="font-size: 1.1rem">arrow_right</span>
         </div>
       </div>
       <div class="w-1/2 h-full overflow-y-auto">
         <div v-for="dir in _subdirs" :key="dir.path" :class="dir.className" class="dir-item w-full p-1 cursor-pointer flex items-center hover:text-white text-gray-200 hover:bg-white/10" @click="selectSubDir(dir)">
-          <span class="material-symbols fill bg-opacity-50 text-yellow-200" style="font-size: 1.2rem">folder</span>
+          <span class="material-symbols fill text-yellow-200" style="font-size: 1.2rem">folder</span>
           <p class="text-base font-mono px-2 truncate">{{ dir.dirname }}</p>
         </div>
       </div>
@@ -38,7 +38,7 @@
     </div>
 
     <div class="w-full py-2">
-      <ui-btn :disabled="!selectedPath" color="primary" class="w-full mt-2" @click="selectFolder">{{ $strings.ButtonSelectFolderPath }}</ui-btn>
+      <ui-btn :disabled="!selectedPath" color="bg-primary" class="w-full mt-2" @click="selectFolder">{{ $strings.ButtonSelectFolderPath }}</ui-btn>
     </div>
   </div>
 </template>
diff --git a/client/components/modals/libraries/LibraryScannerSettings.vue b/client/components/modals/libraries/LibraryScannerSettings.vue
index 51cebcc4..b27925ce 100644
--- a/client/components/modals/libraries/LibraryScannerSettings.vue
+++ b/client/components/modals/libraries/LibraryScannerSettings.vue
@@ -21,7 +21,7 @@
           <div class="text-center py-1 w-8 min-w-8">
             {{ source.include ? getSourceIndex(source.id) : '' }}
           </div>
-          <div class="flex-grow inline-flex justify-between px-4 py-3">
+          <div class="grow inline-flex justify-between px-4 py-3">
             {{ source.name }} <span v-if="source.include && (index === firstActiveSourceIndex || index === lastActiveSourceIndex)" class="px-2 italic font-semibold text-xs text-gray-400">{{ index === firstActiveSourceIndex ? $strings.LabelHighestPriority : $strings.LabelLowestPriority }}</span>
           </div>
           <div class="px-2 opacity-100">
diff --git a/client/components/modals/libraries/LibraryTools.vue b/client/components/modals/libraries/LibraryTools.vue
index 15c5f988..6e84ecf4 100644
--- a/client/components/modals/libraries/LibraryTools.vue
+++ b/client/components/modals/libraries/LibraryTools.vue
@@ -6,7 +6,7 @@
           <p class="text-lg">{{ $strings.LabelRemoveMetadataFile }}</p>
           <p class="max-w-sm text-sm pt-2 text-gray-300">{{ $getString('LabelRemoveMetadataFileHelp', [mediaType]) }}</p>
         </div>
-        <div class="flex-grow" />
+        <div class="grow" />
         <div>
           <ui-btn class="mb-4 block" @click.stop="removeAllMetadataClick('json')">{{ $strings.LabelRemoveAllMetadataJson }}</ui-btn>
           <ui-btn @click.stop="removeAllMetadataClick('abs')">{{ $strings.LabelRemoveAllMetadataAbs }}</ui-btn>
diff --git a/client/components/modals/notification/NotificationEditModal.vue b/client/components/modals/notification/NotificationEditModal.vue
index 83b5a9d0..d6956634 100644
--- a/client/components/modals/notification/NotificationEditModal.vue
+++ b/client/components/modals/notification/NotificationEditModal.vue
@@ -25,8 +25,8 @@
               <ui-toggle-switch v-model="newNotification.enabled" />
               <p class="text-lg pl-2">{{ $strings.LabelEnable }}</p>
             </div>
-            <div class="flex-grow" />
-            <ui-btn color="success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
+            <div class="grow" />
+            <ui-btn color="bg-success" type="submit">{{ $strings.ButtonSubmit }}</ui-btn>
           </div>
         </div>
       </div>
diff --git a/client/components/modals/player/QueueItemRow.vue b/client/components/modals/player/QueueItemRow.vue
index 31f49aa9..2eb1bc3b 100644
--- a/client/components/modals/player/QueueItemRow.vue
+++ b/client/components/modals/player/QueueItemRow.vue
@@ -1,7 +1,7 @@
 <template>
   <div v-if="item" class="w-full flex items-center px-4 py-2" :class="wrapperClass" @mouseover="mouseover" @mouseleave="mouseleave">
     <covers-preview-cover :src="coverUrl" :width="48" :book-cover-aspect-ratio="bookCoverAspectRatio" :show-resolution="false" />
-    <div class="flex-grow px-2 py-1 queue-item-row-content truncate">
+    <div class="grow px-2 py-1 queue-item-row-content truncate">
       <p class="text-gray-200 text-sm truncate">{{ title }}</p>
       <p class="text-gray-300 text-sm">{{ subtitle }}</p>
       <p v-if="caption" class="text-gray-400 text-xs">{{ caption }}</p>
@@ -9,10 +9,10 @@
     <div class="w-28">
       <p v-if="isOpenInPlayer" class="text-sm text-right text-gray-400">{{ $strings.ButtonPlaying }}</p>
       <div v-else-if="isHovering" class="flex items-center justify-end -mx-1">
-        <button class="outline-none mx-1 flex items-center" @click.stop="playClick">
+        <button class="outline-hidden mx-1 flex items-center" @click.stop="playClick">
           <span class="material-symbols fill text-2xl text-success">play_arrow</span>
         </button>
-        <button class="outline-none mx-1 flex items-center" @click.stop="removeClick">
+        <button class="outline-hidden mx-1 flex items-center" @click.stop="removeClick">
           <span class="material-symbols text-2xl text-error">close</span>
         </button>
       </div>
@@ -72,9 +72,9 @@ export default {
       return this.$store.getters['getIsMediaStreaming'](this.libraryItemId, this.episodeId)
     },
     wrapperClass() {
-      if (this.isOpenInPlayer) return 'bg-yellow-400 bg-opacity-10'
-      if (this.index % 2 === 0) return 'bg-gray-300 bg-opacity-5 hover:bg-opacity-10'
-      return 'bg-bg hover:bg-gray-300 hover:bg-opacity-10'
+      if (this.isOpenInPlayer) return 'bg-yellow-400/10'
+      if (this.index % 2 === 0) return 'bg-gray-300/5 hover:bg-gray-300/10'
+      return 'bg-bg hover:bg-gray-300/10'
     }
   },
   methods: {
@@ -99,4 +99,4 @@ export default {
 .queue-item-row-content {
   max-width: calc(100% - 48px - 128px);
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/client/components/modals/player/QueueItemsModal.vue b/client/components/modals/player/QueueItemsModal.vue
index 1dad61d5..b465d75e 100644
--- a/client/components/modals/player/QueueItemsModal.vue
+++ b/client/components/modals/player/QueueItemsModal.vue
@@ -10,7 +10,7 @@
         <div class="pb-4 px-4 flex items-center">
           <p class="text-base text-gray-200">{{ $strings.HeaderPlayerQueue }}</p>
           <p class="text-base text-gray-400 px-4">{{ playerQueueItems.length }} Items</p>
-          <div class="flex-grow" />
+          <div class="grow" />
           <ui-checkbox v-model="playerQueueAutoPlay" label="Auto Play" medium checkbox-bg="primary" border-color="gray-600" label-class="pl-2 mb-px" />
         </div>
         <modals-player-queue-item-row v-for="(item, index) in playerQueueItems" :key="index" :item="item" :index="index" @play="playItem(index)" @remove="removeItem" />
diff --git a/client/components/modals/playlists/AddCreateModal.vue b/client/components/modals/playlists/AddCreateModal.vue
index 8d36e9c4..e695ccb0 100644
--- a/client/components/modals/playlists/AddCreateModal.vue
+++ b/client/components/modals/playlists/AddCreateModal.vue
@@ -32,13 +32,13 @@
             </div>
           </div>
         </div>
-        <div class="w-full h-px bg-white bg-opacity-10" />
+        <div class="w-full h-px bg-white/10" />
         <form @submit.prevent="submitCreatePlaylist">
-          <div class="flex px-4 py-2 items-center text-center border-b border-white border-opacity-10 text-white text-opacity-80">
-            <div class="flex-grow px-2">
+          <div class="flex px-4 py-2 items-center text-center border-b border-white/10 text-white/80">
+            <div class="grow px-2">
               <ui-text-input v-model="newPlaylistName" :placeholder="$strings.PlaceholderNewPlaylist" class="w-full" />
             </div>
-            <ui-btn type="submit" color="success" :padding-x="4" class="h-10">{{ $strings.ButtonCreate }}</ui-btn>
+            <ui-btn type="submit" color="bg-success" :padding-x="4" class="h-10">{{ $strings.ButtonCreate }}</ui-btn>
           </div>
         </form>
       </div>
diff --git a/client/components/modals/playlists/EditModal.vue b/client/components/modals/playlists/EditModal.vue
index 78ca6002..2abca467 100644
--- a/client/components/modals/playlists/EditModal.vue
+++ b/client/components/modals/playlists/EditModal.vue
@@ -11,16 +11,16 @@
           <div>
             <covers-playlist-cover :items="items" :width="200" :height="200" />
           </div>
-          <div class="flex-grow px-4">
+          <div class="grow px-4">
             <ui-text-input-with-label v-model="newPlaylistName" :label="$strings.LabelName" class="mb-2" />
 
             <ui-textarea-with-label v-model="newPlaylistDescription" :label="$strings.LabelDescription" />
           </div>
         </div>
         <div class="absolute bottom-0 left-0 right-0 w-full py-2 px-4 flex">
-          <ui-btn v-if="userCanDelete" small color="error" type="button" @click.stop="removeClick">{{ $strings.ButtonRemove }}</ui-btn>
-          <div class="flex-grow" />
-          <ui-btn color="success" type="submit">{{ $strings.ButtonSave }}</ui-btn>
+          <ui-btn v-if="userCanDelete" small color="bg-error" type="button" @click.stop="removeClick">{{ $strings.ButtonRemove }}</ui-btn>
+          <div class="grow" />
+          <ui-btn color="bg-success" type="submit">{{ $strings.ButtonSave }}</ui-btn>
         </div>
       </form>
     </div>
diff --git a/client/components/modals/playlists/UserPlaylistItem.vue b/client/components/modals/playlists/UserPlaylistItem.vue
index f7df9218..99d79385 100644
--- a/client/components/modals/playlists/UserPlaylistItem.vue
+++ b/client/components/modals/playlists/UserPlaylistItem.vue
@@ -4,12 +4,12 @@
     <div class="w-16 max-w-16 text-center">
       <covers-playlist-cover :items="items" :width="64" :height="64" />
     </div>
-    <div class="flex-grow overflow-hidden px-2">
+    <div class="grow overflow-hidden px-2">
       <nuxt-link :to="`/playlist/${playlist.id}`" class="pl-2 pr-2 truncate hover:underline cursor-pointer" @click.native="clickNuxtLink">{{ playlist.name }}</nuxt-link>
     </div>
     <div class="h-full flex items-center justify-end transform" :class="isHovering ? 'transition-transform translate-0 w-16' : 'translate-x-40 w-0'">
-      <ui-btn v-if="!isItemIncluded" color="success" :padding-x="3" small class="h-9" @click.stop="clickAdd"><span class="material-symbols text-2xl pt-px">add</span></ui-btn>
-      <ui-btn v-else color="error" :padding-x="3" class="h-9" small @click.stop="clickRem"><span class="material-symbols text-2xl pt-px">remove</span></ui-btn>
+      <ui-btn v-if="!isItemIncluded" color="bg-success" :padding-x="3" small class="h-9" @click.stop="clickAdd"><span class="material-symbols text-2xl pt-px">add</span></ui-btn>
+      <ui-btn v-else color="bg-error" :padding-x="3" class="h-9" small @click.stop="clickRem"><span class="material-symbols text-2xl pt-px">remove</span></ui-btn>
     </div>
   </div>
 </template>
@@ -54,4 +54,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/modals/podcast/EditEpisode.vue b/client/components/modals/podcast/EditEpisode.vue
index 9572a36a..5bff4ba7 100644
--- a/client/components/modals/podcast/EditEpisode.vue
+++ b/client/components/modals/podcast/EditEpisode.vue
@@ -12,10 +12,10 @@
     </div>
 
     <div v-show="canGoPrev" class="absolute -left-24 top-0 bottom-0 h-full pointer-events-none flex items-center px-6">
-      <div class="material-symbols text-5xl text-white text-opacity-50 hover:text-opacity-90 cursor-pointer pointer-events-auto" @click.stop.prevent="goPrevEpisode" @mousedown.prevent>arrow_back_ios</div>
+      <div class="material-symbols text-5xl text-white/50 hover:text-white/90 cursor-pointer pointer-events-auto" @click.stop.prevent="goPrevEpisode" @mousedown.prevent>arrow_back_ios</div>
     </div>
     <div v-show="canGoNext" class="absolute -right-24 top-0 bottom-0 h-full pointer-events-none flex items-center px-6">
-      <div class="material-symbols text-5xl text-white text-opacity-50 hover:text-opacity-90 cursor-pointer pointer-events-auto" @click.stop.prevent="goNextEpisode" @mousedown.prevent>arrow_forward_ios</div>
+      <div class="material-symbols text-5xl text-white/50 hover:text-white/90 cursor-pointer pointer-events-auto" @click.stop.prevent="goNextEpisode" @mousedown.prevent>arrow_forward_ios</div>
     </div>
 
     <div ref="wrapper" class="p-4 w-full text-sm rounded-b-lg rounded-tr-lg bg-bg shadow-lg border border-black-300 relative overflow-y-auto" style="max-height: 80vh">
diff --git a/client/components/modals/podcast/EpisodeFeed.vue b/client/components/modals/podcast/EpisodeFeed.vue
index c3556faf..2648c522 100644
--- a/client/components/modals/podcast/EpisodeFeed.vue
+++ b/client/components/modals/podcast/EpisodeFeed.vue
@@ -7,18 +7,12 @@
     </template>
     <div ref="wrapper" id="podcast-wrapper" class="p-4 w-full text-sm py-2 rounded-lg bg-bg shadow-lg border border-black-300 relative overflow-hidden">
       <div v-if="episodesCleaned.length" class="w-full py-3 mx-auto flex">
-        <form @submit.prevent="submit" class="flex flex-grow">
-          <ui-text-input v-model="search" @input="inputUpdate" type="search" :placeholder="$strings.PlaceholderSearchEpisode" class="flex-grow mr-2 text-sm md:text-base" />
+        <form @submit.prevent="submit" class="flex grow">
+          <ui-text-input v-model="search" @input="inputUpdate" type="search" :placeholder="$strings.PlaceholderSearchEpisode" class="grow mr-2 text-sm md:text-base" />
         </form>
       </div>
       <div ref="episodeContainer" id="episodes-scroll" class="w-full overflow-x-hidden overflow-y-auto">
-        <div
-          v-for="(episode, index) in episodesList"
-          :key="index"
-          class="relative"
-          :class="episode.isDownloaded || episode.isDownloading ? 'bg-primary bg-opacity-40' : selectedEpisodes[episode.cleanUrl] ? 'cursor-pointer bg-success bg-opacity-10' : index % 2 == 0 ? 'cursor-pointer bg-primary bg-opacity-25 hover:bg-opacity-40' : 'cursor-pointer bg-primary bg-opacity-5 hover:bg-opacity-25'"
-          @click="toggleSelectEpisode(episode)"
-        >
+        <div v-for="(episode, index) in episodesList" :key="index" class="relative" :class="episode.isDownloaded || episode.isDownloading ? 'bg-primary/40' : selectedEpisodes[episode.cleanUrl] ? 'cursor-pointer bg-success/10' : index % 2 == 0 ? 'cursor-pointer bg-primary/25 hover:bg-primary/40' : 'cursor-pointer bg-primary/5 hover:bg-primary/25'" @click="toggleSelectEpisode(episode)">
           <div class="absolute top-0 left-0 h-full flex items-center p-2">
             <span v-if="episode.isDownloaded" class="material-symbols text-success text-xl">download_done</span>
             <span v-else-if="episode.isDownloading" class="material-symbols text-warning text-xl">download</span>
diff --git a/client/components/modals/podcast/NewModal.vue b/client/components/modals/podcast/NewModal.vue
index c52ac776..33e6dbc4 100644
--- a/client/components/modals/podcast/NewModal.vue
+++ b/client/components/modals/podcast/NewModal.vue
@@ -52,11 +52,11 @@
         </div>
       </div>
       <div class="flex items-center py-4 px-2">
-        <div class="flex-grow" />
+        <div class="grow" />
         <div class="px-4">
           <ui-checkbox v-model="podcast.autoDownloadEpisodes" :label="$strings.LabelAutoDownloadEpisodes" checkbox-bg="primary" border-color="gray-600" label-class="pl-2 text-sm md:text-base font-semibold" />
         </div>
-        <ui-btn color="success" @click="submit">{{ $strings.ButtonSubmit }}</ui-btn>
+        <ui-btn color="bg-success" @click="submit">{{ $strings.ButtonSubmit }}</ui-btn>
       </div>
     </div>
   </modals-modal>
diff --git a/client/components/modals/podcast/OpmlFeedsModal.vue b/client/components/modals/podcast/OpmlFeedsModal.vue
index 41a75225..abfbac65 100644
--- a/client/components/modals/podcast/OpmlFeedsModal.vue
+++ b/client/components/modals/podcast/OpmlFeedsModal.vue
@@ -32,8 +32,8 @@
         </div>
       </div>
       <div class="flex items-center py-4">
-        <div class="flex-grow" />
-        <ui-btn color="success" @click="submit">{{ $strings.ButtonAddPodcasts }}</ui-btn>
+        <div class="grow" />
+        <ui-btn color="bg-success" @click="submit">{{ $strings.ButtonAddPodcasts }}</ui-btn>
       </div>
     </div>
   </modals-modal>
diff --git a/client/components/modals/podcast/RemoveEpisode.vue b/client/components/modals/podcast/RemoveEpisode.vue
index 0083228d..38dd71cf 100644
--- a/client/components/modals/podcast/RemoveEpisode.vue
+++ b/client/components/modals/podcast/RemoveEpisode.vue
@@ -11,7 +11,7 @@
           {{ $getString('MessageConfirmRemoveEpisode', [episodeTitle]) }}
         </p>
         <p v-else class="text-lg text-gray-200 mb-4">{{ $getString('MessageConfirmRemoveEpisodes', [episodes.length]) }}</p>
-        <p class="text-xs font-semibold text-warning text-opacity-90">Note: This does not delete the audio file unless toggling "Hard delete file"</p>
+        <p class="text-xs font-semibold text-warning/90">Note: This does not delete the audio file unless toggling "Hard delete file"</p>
       </div>
       <div class="flex justify-between items-center pt-4">
         <ui-checkbox v-model="hardDeleteFile" :label="$strings.LabelHardDeleteFile" check-color="error" checkbox-bg="bg" small label-class="text-base text-gray-200 pl-3" />
diff --git a/client/components/modals/podcast/ViewEpisode.vue b/client/components/modals/podcast/ViewEpisode.vue
index 6c1a678c..5a520ef4 100644
--- a/client/components/modals/podcast/ViewEpisode.vue
+++ b/client/components/modals/podcast/ViewEpisode.vue
@@ -10,7 +10,7 @@
         <div class="w-12 h-12">
           <covers-book-cover :library-item="libraryItem" :width="48" :book-cover-aspect-ratio="bookCoverAspectRatio" />
         </div>
-        <div class="flex-grow px-2">
+        <div class="grow px-2">
           <p class="text-base mb-1">{{ podcastTitle }}</p>
           <p class="text-xs text-gray-300">{{ podcastAuthor }}</p>
         </div>
@@ -22,13 +22,13 @@
       <div class="w-full h-px bg-white/5 my-4" />
 
       <div class="flex items-center">
-        <div class="flex-grow">
+        <div class="grow">
           <p class="font-semibold text-xs mb-1">{{ $strings.LabelFilename }}</p>
           <p class="mb-2 text-xs">
             {{ audioFileFilename }}
           </p>
         </div>
-        <div class="flex-grow">
+        <div class="grow">
           <p class="font-semibold text-xs mb-1">{{ $strings.LabelSize }}</p>
           <p class="mb-2 text-xs">
             {{ audioFileSize }}
diff --git a/client/components/modals/podcast/tabs/EpisodeMatch.vue b/client/components/modals/podcast/tabs/EpisodeMatch.vue
index 403400d1..dbea4e70 100644
--- a/client/components/modals/podcast/tabs/EpisodeMatch.vue
+++ b/client/components/modals/podcast/tabs/EpisodeMatch.vue
@@ -15,7 +15,7 @@
       <div v-if="!isProcessing && searchedTitle && !episodesFound.length" class="w-full py-8">
         <p class="text-center text-lg">{{ $strings.MessageNoEpisodeMatchesFound }}</p>
       </div>
-      <div v-for="(episode, index) in episodesFound" :key="index" class="w-full py-4 border-b border-white border-opacity-5 hover:bg-gray-300 hover:bg-opacity-10 cursor-pointer px-2" @click.stop="selectEpisode(episode)">
+      <div v-for="(episode, index) in episodesFound" :key="index" class="w-full py-4 border-b border-white/5 hover:bg-gray-300/10 cursor-pointer px-2" @click.stop="selectEpisode(episode)">
         <p v-if="episode.episode" class="font-semibold text-gray-200">#{{ episode.episode }}</p>
         <p class="break-words mb-1">{{ episode.title }}</p>
         <p v-if="episode.subtitle" class="mb-1 text-sm text-gray-300 line-clamp-2">{{ episode.subtitle }}</p>
diff --git a/client/components/modals/rssfeed/OpenCloseModal.vue b/client/components/modals/rssfeed/OpenCloseModal.vue
index 1d7811ed..f81ee700 100644
--- a/client/components/modals/rssfeed/OpenCloseModal.vue
+++ b/client/components/modals/rssfeed/OpenCloseModal.vue
@@ -16,19 +16,19 @@
         <div v-if="currentFeed.meta" class="mt-5">
           <div class="flex py-0.5">
             <div class="w-48">
-              <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelRSSFeedPreventIndexing }}</span>
+              <span class="text-white/60 uppercase text-sm">{{ $strings.LabelRSSFeedPreventIndexing }}</span>
             </div>
             <div>{{ currentFeed.meta.preventIndexing ? 'Yes' : 'No' }}</div>
           </div>
           <div v-if="currentFeed.meta.ownerName" class="flex py-0.5">
             <div class="w-48">
-              <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerName }}</span>
+              <span class="text-white/60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerName }}</span>
             </div>
             <div>{{ currentFeed.meta.ownerName }}</div>
           </div>
           <div v-if="currentFeed.meta.ownerEmail" class="flex py-0.5">
             <div class="w-48">
-              <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerEmail }}</span>
+              <span class="text-white/60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerEmail }}</span>
             </div>
             <div>{{ currentFeed.meta.ownerEmail }}</div>
           </div>
@@ -47,9 +47,9 @@
         <p v-if="hasEpisodesWithoutPubDate" class="w-full pt-2 text-warning text-xs">{{ $strings.NoteRSSFeedPodcastAppsPubDate }}</p>
       </div>
       <div v-show="userIsAdminOrUp" class="flex items-center pt-6">
-        <div class="flex-grow" />
-        <ui-btn v-if="currentFeed" color="error" small @click="closeFeed">{{ $strings.ButtonCloseFeed }}</ui-btn>
-        <ui-btn v-else color="success" small @click="openFeed">{{ $strings.ButtonOpenFeed }}</ui-btn>
+        <div class="grow" />
+        <ui-btn v-if="currentFeed" color="bg-error" small @click="closeFeed">{{ $strings.ButtonCloseFeed }}</ui-btn>
+        <ui-btn v-else color="bg-success" small @click="openFeed">{{ $strings.ButtonOpenFeed }}</ui-btn>
       </div>
     </div>
   </modals-modal>
diff --git a/client/components/modals/rssfeed/ViewFeedModal.vue b/client/components/modals/rssfeed/ViewFeedModal.vue
index 8fc13ff9..477b84c7 100644
--- a/client/components/modals/rssfeed/ViewFeedModal.vue
+++ b/client/components/modals/rssfeed/ViewFeedModal.vue
@@ -11,26 +11,26 @@
         <div v-if="feed.meta" class="mt-5">
           <div class="flex py-0.5">
             <div class="w-48">
-              <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelRSSFeedPreventIndexing }}</span>
+              <span class="text-white/60 uppercase text-sm">{{ $strings.LabelRSSFeedPreventIndexing }}</span>
             </div>
             <div>{{ feed.meta.preventIndexing ? 'Yes' : 'No' }}</div>
           </div>
           <div v-if="feed.meta.ownerName" class="flex py-0.5">
             <div class="w-48">
-              <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerName }}</span>
+              <span class="text-white/60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerName }}</span>
             </div>
             <div>{{ feed.meta.ownerName }}</div>
           </div>
           <div v-if="feed.meta.ownerEmail" class="flex py-0.5">
             <div class="w-48">
-              <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerEmail }}</span>
+              <span class="text-white/60 uppercase text-sm">{{ $strings.LabelRSSFeedCustomOwnerEmail }}</span>
             </div>
             <div>{{ feed.meta.ownerEmail }}</div>
           </div>
         </div>
         <!--  -->
         <div class="episodesTable mt-2">
-          <div class="bg-primary bg-opacity-40 h-12 header">
+          <div class="bg-primary/40 h-12 header">
             {{ $strings.LabelEpisodeTitle }}
           </div>
           <div class="scroller">
diff --git a/client/components/player/PlayerPlaybackControls.vue b/client/components/player/PlayerPlaybackControls.vue
index 1b96a24b..368e3f35 100644
--- a/client/components/player/PlayerPlaybackControls.vue
+++ b/client/components/player/PlayerPlaybackControls.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="flex justify-center pt-4 pb-2 lg:pt-0 lg:pb-2">
-    <div class="flex items-center justify-center flex-grow">
+    <div class="flex items-center justify-center grow">
       <template v-if="!loading">
         <ui-tooltip direction="top" :text="$strings.ButtonPreviousChapter" class="mr-4 lg:mr-8">
           <button :aria-label="$strings.ButtonPreviousChapter" class="text-gray-300" @mousedown.prevent @mouseup.prevent @click.stop="prevChapter">
@@ -12,7 +12,7 @@
             <span class="material-symbols text-2xl sm:text-3xl">replay</span>
           </button>
         </ui-tooltip>
-        <button :aria-label="paused ? $strings.ButtonPlay : $strings.ButtonPause" class="p-2 shadow-sm bg-accent flex items-center justify-center rounded-full text-primary mx-4 lg:mx-8" :class="seekLoading ? 'animate-spin' : ''" @mousedown.prevent @mouseup.prevent @click.stop="playPause">
+        <button :aria-label="paused ? $strings.ButtonPlay : $strings.ButtonPause" class="p-2 shadow-xs bg-accent flex items-center justify-center rounded-full text-primary mx-4 lg:mx-8" :class="seekLoading ? 'animate-spin' : ''" @mousedown.prevent @mouseup.prevent @click.stop="playPause">
           <span class="material-symbols fill text-2xl">{{ seekLoading ? 'autorenew' : paused ? 'play_arrow' : 'pause' }}</span>
         </button>
         <ui-tooltip direction="top" :text="jumpForwardText">
@@ -27,7 +27,7 @@
         </ui-tooltip>
       </template>
       <template v-else>
-        <div class="cursor-pointer p-2 shadow-sm bg-accent flex items-center justify-center rounded-full text-primary mx-8 animate-spin">
+        <div class="cursor-pointer p-2 shadow-xs bg-accent flex items-center justify-center rounded-full text-primary mx-8 animate-spin">
           <span class="material-symbols text-2xl">autorenew</span>
         </div>
       </template>
diff --git a/client/components/player/PlayerTrackBar.vue b/client/components/player/PlayerTrackBar.vue
index 3afc5d06..cc581e25 100644
--- a/client/components/player/PlayerTrackBar.vue
+++ b/client/components/player/PlayerTrackBar.vue
@@ -6,11 +6,11 @@
       <div ref="bufferTrack" class="h-full bg-gray-500 absolute top-0 left-0 pointer-events-none" />
       <div ref="playedTrack" class="h-full bg-gray-200 absolute top-0 left-0 pointer-events-none" />
       <div ref="trackCursor" class="h-full w-0.5 bg-gray-50 absolute top-0 left-0 opacity-0 pointer-events-none" />
-      <div v-if="loading" class="h-full w-1/4 absolute left-0 top-0 loadingTrack pointer-events-none bg-white bg-opacity-25" />
+      <div v-if="loading" class="h-full w-1/4 absolute left-0 top-0 loadingTrack pointer-events-none bg-white/25" />
     </div>
     <div class="w-full h-2 relative overflow-hidden" :class="useChapterTrack ? 'opacity-0' : ''">
       <template v-for="(tick, index) in chapterTicks">
-        <div :key="index" :style="{ left: tick.left + 'px' }" class="absolute top-0 w-px bg-white bg-opacity-30 h-1 pointer-events-none" />
+        <div :key="index" :style="{ left: tick.left + 'px' }" class="absolute top-0 w-px bg-white/30 h-1 pointer-events-none" />
       </template>
     </div>
 
@@ -218,4 +218,4 @@ export default {
     window.removeEventListener('resize', this.windowResize)
   }
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/player/PlayerUi.vue b/client/components/player/PlayerUi.vue
index f4ad59d1..82d53552 100644
--- a/client/components/player/PlayerUi.vue
+++ b/client/components/player/PlayerUi.vue
@@ -31,13 +31,13 @@
         </ui-tooltip>
 
         <ui-tooltip v-if="playerQueueItems.length" direction="top" :text="$strings.LabelViewQueue">
-          <button :aria-label="$strings.LabelViewQueue" class="outline-none text-gray-300 mx-1 lg:mx-2 hover:text-white" @mousedown.prevent @mouseup.prevent @click.stop="$emit('showPlayerQueueItems')">
+          <button :aria-label="$strings.LabelViewQueue" class="outline-hidden text-gray-300 mx-1 lg:mx-2 hover:text-white" @mousedown.prevent @mouseup.prevent @click.stop="$emit('showPlayerQueueItems')">
             <span class="material-symbols text-2.5xl sm:text-3xl">playlist_play</span>
           </button>
         </ui-tooltip>
 
         <ui-tooltip direction="top" :text="$strings.LabelViewPlayerSettings">
-          <button :aria-label="$strings.LabelViewPlayerSettings" class="outline-none text-gray-300 mx-1 lg:mx-2 hover:text-white" @mousedown.prevent @mouseup.prevent @click.stop="showPlayerSettings">
+          <button :aria-label="$strings.LabelViewPlayerSettings" class="outline-hidden text-gray-300 mx-1 lg:mx-2 hover:text-white" @mousedown.prevent @mouseup.prevent @click.stop="showPlayerSettings">
             <span class="material-symbols text-2xl sm:text-2.5xl">settings_slow_motion</span>
           </button>
         </ui-tooltip>
@@ -49,7 +49,7 @@
     <player-track-bar ref="trackbar" :loading="loading" :chapters="chapters" :duration="duration" :current-chapter="currentChapter" :playback-rate="playbackRate" @seek="seek" />
 
     <div class="relative flex items-center justify-between">
-      <div class="flex-grow flex items-center">
+      <div class="grow flex items-center">
         <p ref="currentTimestamp" class="font-mono text-xxs sm:text-sm text-gray-100 pointer-events-auto">00:00:00</p>
         <p class="font-mono text-sm hidden sm:block text-gray-100 pointer-events-auto">&nbsp;/&nbsp;{{ progressPercent }}%</p>
       </div>
@@ -58,7 +58,7 @@
           {{ currentChapterName }} <span v-if="useChapterTrack" class="text-xs text-gray-400">&nbsp;({{ $getString('LabelPlayerChapterNumberMarker', [currentChapterIndex + 1, chapters.length]) }})</span>
         </p>
       </div>
-      <div class="flex-grow flex items-center justify-end">
+      <div class="grow flex items-center justify-end">
         <p class="font-mono text-xxs sm:text-sm text-gray-100 pointer-events-auto">{{ timeRemainingPretty }}</p>
       </div>
     </div>
diff --git a/client/components/prompt/Confirm.vue b/client/components/prompt/Confirm.vue
index 032190cf..361765e2 100644
--- a/client/components/prompt/Confirm.vue
+++ b/client/components/prompt/Confirm.vue
@@ -1,6 +1,6 @@
 <template>
-  <div ref="wrapper" class="modal modal-bg w-full h-full fixed top-0 left-0 bg-primary bg-opacity-75 flex items-center justify-center z-60 opacity-0">
-    <div class="absolute top-0 left-0 right-0 w-full h-36 bg-gradient-to-t from-transparent via-black-500 to-black-700 opacity-90 pointer-events-none" />
+  <div ref="wrapper" class="modal modal-bg w-full h-full fixed top-0 left-0 bg-primary/75 flex items-center justify-center z-60 opacity-0">
+    <div class="absolute top-0 left-0 right-0 w-full h-36 bg-linear-to-t from-transparent via-black-500 to-black-700 opacity-90 pointer-events-none" />
     <div ref="content" class="relative text-white" :style="{ height: modalHeight, width: modalWidth }" v-click-outside="clickedOutside">
       <div class="px-4 w-full text-sm py-6 rounded-lg bg-bg shadow-lg border border-black-300">
         <p id="confirm-prompt-message" class="text-lg mb-6 mt-2 px-1" v-html="message" />
@@ -8,10 +8,10 @@
         <ui-checkbox v-if="checkboxLabel" v-model="checkboxValue" checkbox-bg="bg" :label="checkboxLabel" label-class="pl-2 text-base" class="mb-6 px-1" />
 
         <div class="flex px-1 items-center">
-          <ui-btn v-if="isYesNo" color="primary" @click="nevermind">{{ $strings.ButtonCancel }}</ui-btn>
-          <div class="flex-grow" />
-          <ui-btn v-if="isYesNo" :color="yesButtonColor" @click="confirm">{{ yesButtonText }}</ui-btn>
-          <ui-btn v-else color="primary" @click="confirm">{{ $strings.ButtonOk }}</ui-btn>
+          <ui-btn v-if="isYesNo" color="bg-primary" @click="nevermind">{{ $strings.ButtonCancel }}</ui-btn>
+          <div class="grow" />
+          <ui-btn v-if="isYesNo" :color="`bg-${yesButtonColor}`" @click="confirm">{{ yesButtonText }}</ui-btn>
+          <ui-btn v-else color="bg-primary" @click="confirm">{{ $strings.ButtonOk }}</ui-btn>
         </div>
       </div>
     </div>
diff --git a/client/components/prompt/Dialog.vue b/client/components/prompt/Dialog.vue
index 3d418996..d194b547 100644
--- a/client/components/prompt/Dialog.vue
+++ b/client/components/prompt/Dialog.vue
@@ -1,6 +1,6 @@
 <template>
-  <div ref="wrapper" class="modal modal-bg w-full h-full fixed top-0 left-0 bg-primary bg-opacity-75 flex items-center justify-center z-40 opacity-0">
-    <div class="absolute top-0 left-0 right-0 w-full h-36 bg-gradient-to-t from-transparent via-black-500 to-black-700 opacity-90 pointer-events-none" />
+  <div ref="wrapper" class="modal modal-bg w-full h-full fixed top-0 left-0 bg-primary/75 flex items-center justify-center z-40 opacity-0">
+    <div class="absolute top-0 left-0 right-0 w-full h-36 bg-linear-to-t from-transparent via-black-500 to-black-700 opacity-90 pointer-events-none" />
     <div ref="content" style="min-width: 400px; min-height: 200px" class="relative text-white" :style="{ height: modalHeight, width: modalWidth }">
       <slot />
     </div>
@@ -80,4 +80,4 @@ export default {
     this.el.remove()
   }
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/readers/ComicReader.vue b/client/components/readers/ComicReader.vue
index da098140..28d79bf2 100644
--- a/client/components/readers/ComicReader.vue
+++ b/client/components/readers/ComicReader.vue
@@ -35,12 +35,12 @@
     <div class="w-full h-full relative">
       <div v-show="canGoPrev" ref="prevButton" class="absolute top-0 left-0 h-full w-1/2 lg:w-1/3 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="prev" @mousedown.prevent>
         <div class="flex items-center justify-center h-full w-1/2">
-          <span v-show="loadedFirstPage" class="material-symbols text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_back_ios</span>
+          <span v-show="loadedFirstPage" class="material-symbols text-5xl text-white/30 cursor-pointer hover:text-white/90">arrow_back_ios</span>
         </div>
       </div>
       <div v-show="canGoNext" ref="nextButton" class="absolute top-0 right-0 h-full w-1/2 lg:w-1/3 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="next" @mousedown.prevent>
         <div class="flex items-center justify-center h-full w-1/2 ml-auto">
-          <span v-show="loadedFirstPage" class="material-symbols text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_forward_ios</span>
+          <span v-show="loadedFirstPage" class="material-symbols text-5xl text-white/30 cursor-pointer hover:text-white/90">arrow_forward_ios</span>
         </div>
       </div>
       <div ref="imageContainer" class="w-full h-full relative overflow-auto">
diff --git a/client/components/readers/MobiReader.vue b/client/components/readers/MobiReader.vue
index 1d56117e..3e784f77 100644
--- a/client/components/readers/MobiReader.vue
+++ b/client/components/readers/MobiReader.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="w-full h-full">
     <div class="h-full max-h-full w-full">
-      <div class="ebook-viewer absolute overflow-y-scroll left-0 right-0 top-16 w-full max-w-4xl m-auto z-10 border border-black border-opacity-20 shadow-md bg-white">
+      <div class="ebook-viewer absolute overflow-y-scroll left-0 right-0 top-16 w-full max-w-4xl m-auto z-10 border border-black/20 shadow-md bg-white">
         <iframe title="html-viewer" width="100%"> Loading </iframe>
       </div>
     </div>
@@ -136,4 +136,4 @@ export default {
 .ebook-viewer {
   height: calc(100% - 96px);
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/client/components/readers/PdfReader.vue b/client/components/readers/PdfReader.vue
index d5d20c08..c05f459c 100644
--- a/client/components/readers/PdfReader.vue
+++ b/client/components/readers/PdfReader.vue
@@ -2,12 +2,12 @@
   <div class="w-full h-full pt-20 relative">
     <div v-show="canGoPrev" class="absolute top-0 left-0 h-full w-1/2 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="prev" @mousedown.prevent>
       <div class="flex items-center justify-center h-full w-1/2">
-        <span class="material-symbols text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_back_ios</span>
+        <span class="material-symbols text-5xl text-white/30 cursor-pointer hover:text-white/90">arrow_back_ios</span>
       </div>
     </div>
     <div v-show="canGoNext" class="absolute top-0 right-0 h-full w-1/2 hover:opacity-100 opacity-0 z-10 cursor-pointer" @click.stop.prevent="next" @mousedown.prevent>
       <div class="flex items-center justify-center h-full w-1/2 ml-auto">
-        <span class="material-symbols text-5xl text-white cursor-pointer text-opacity-30 hover:text-opacity-90">arrow_forward_ios</span>
+        <span class="material-symbols text-5xl text-white/30 cursor-pointer hover:text-white/90">arrow_forward_ios</span>
       </div>
     </div>
 
@@ -23,7 +23,7 @@
       <div class="flex items-center justify-center">
         <div :style="{ width: pdfWidth + 'px', height: pdfHeight + 'px' }" class="overflow-auto">
           <div v-if="loadedRatio > 0 && loadedRatio < 1" style="background-color: green; color: white; text-align: center" :style="{ width: loadedRatio * 100 + '%' }">{{ Math.floor(loadedRatio * 100) }}%</div>
-          <pdf v-if="pdfDocInitParams" ref="pdf" class="m-auto z-10 border border-black border-opacity-20 shadow-md" :src="pdfDocInitParams" :page="page" :rotate="rotate" @progress="progressEvt" @error="error" @num-pages="numPagesLoaded" @link-clicked="page = $event" @loaded="loadedEvt"></pdf>
+          <pdf v-if="pdfDocInitParams" ref="pdf" class="m-auto z-10 border border-black/20 shadow-md" :src="pdfDocInitParams" :page="page" :rotate="rotate" @progress="progressEvt" @error="error" @num-pages="numPagesLoaded" @link-clicked="page = $event" @loaded="loadedEvt"></pdf>
         </div>
       </div>
     </div>
diff --git a/client/components/stats/DailyListeningChart.vue b/client/components/stats/DailyListeningChart.vue
index ca2cd714..c0f3acb3 100644
--- a/client/components/stats/DailyListeningChart.vue
+++ b/client/components/stats/DailyListeningChart.vue
@@ -11,7 +11,7 @@
       </div>
 
       <template v-for="n in 7">
-        <div :key="n" class="absolute pointer-events-none left-0 h-px bg-white bg-opacity-10" :style="{ top: n * lineSpacing - lineSpacing / 2 + 'px', width: '360px', marginLeft: '24px' }" />
+        <div :key="n" class="absolute pointer-events-none left-0 h-px bg-white/10" :style="{ top: n * lineSpacing - lineSpacing / 2 + 'px', width: '360px', marginLeft: '24px' }" />
 
         <div :key="`dot-${n}`" class="absolute z-10" :style="{ left: points[n - 1].x + 'px', bottom: points[n - 1].y + 'px' }">
           <ui-tooltip :text="last7DaysOfListening[n - 1].minutesListening" direction="top">
diff --git a/client/components/stats/Heatmap.vue b/client/components/stats/Heatmap.vue
index 4fc8ca04..b070934b 100644
--- a/client/components/stats/Heatmap.vue
+++ b/client/components/stats/Heatmap.vue
@@ -2,18 +2,18 @@
   <div id="heatmap" class="w-full">
     <div class="mx-auto" :style="{ height: innerHeight + 160 + 'px', width: innerWidth + 52 + 'px' }" style="background-color: rgba(13, 17, 23, 0)">
       <p class="mb-2 px-1 text-sm text-gray-200">{{ $getString('MessageDaysListenedInTheLastYear', [daysListenedInTheLastYear]) }}</p>
-      <div class="border border-white border-opacity-25 rounded py-2 w-full" style="background-color: #232323" :style="{ height: innerHeight + 80 + 'px' }">
+      <div class="border border-white/25 rounded-sm py-2 w-full" style="background-color: #232323" :style="{ height: innerHeight + 80 + 'px' }">
         <div :style="{ width: innerWidth + 'px', height: innerHeight + 'px' }" class="ml-10 mt-5 absolute" @mouseover="mouseover" @mouseout="mouseout">
           <div v-for="dayLabel in dayLabels" :key="dayLabel.label" :style="dayLabel.style" class="absolute top-0 left-0 text-gray-300">{{ dayLabel.label }}</div>
 
           <div v-for="monthLabel in monthLabels" :key="monthLabel.id" :style="monthLabel.style" class="absolute top-0 left-0 text-gray-300">{{ monthLabel.label }}</div>
 
-          <div v-for="(block, index) in data" :key="block.dateString" :style="block.style" :data-index="index" class="absolute top-0 left-0 h-2.5 w-2.5 rounded-sm" />
+          <div v-for="(block, index) in data" :key="block.dateString" :style="block.style" :data-index="index" class="absolute top-0 left-0 h-2.5 w-2.5 rounded-xs" />
 
           <div class="flex py-2 px-4" :style="{ marginTop: innerHeight + 'px' }">
-            <div class="flex-grow" />
+            <div class="grow" />
             <p style="font-size: 10px; line-height: 10px" class="text-gray-400 px-1">{{ $strings.LabelLess }}</p>
-            <div v-for="block in legendBlocks" :key="block.id" :style="block.style" class="h-2.5 w-2.5 rounded-sm" style="margin-left: 1.5px; margin-right: 1.5px" />
+            <div v-for="block in legendBlocks" :key="block.id" :style="block.style" class="h-2.5 w-2.5 rounded-xs" style="margin-left: 1.5px; margin-right: 1.5px" />
             <p style="font-size: 10px; line-height: 10px" class="text-gray-400 px-1">{{ $strings.LabelMore }}</p>
           </div>
         </div>
@@ -124,7 +124,7 @@ export default {
     },
     createTooltip() {
       const tooltip = document.createElement('div')
-      tooltip.className = 'absolute top-0 left-0 rounded bg-gray-500 text-white p-2 text-white max-w-xs pointer-events-none'
+      tooltip.className = 'absolute top-0 left-0 rounded-sm bg-gray-500 text-white p-2 text-white max-w-xs pointer-events-none'
       tooltip.style.display = 'none'
       tooltip.id = 'heatmap-tooltip'
 
diff --git a/client/components/stats/PreviewIcons.vue b/client/components/stats/PreviewIcons.vue
index 7eea9d51..18cd1dab 100644
--- a/client/components/stats/PreviewIcons.vue
+++ b/client/components/stats/PreviewIcons.vue
@@ -6,7 +6,7 @@
       </svg>
       <div class="px-1">
         <p class="text-4.5xl leading-none font-bold">{{ $formatNumber(totalItems) }}</p>
-        <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsItemsInLibrary }}</p>
+        <p class="text-xs md:text-sm text-white/80">{{ $strings.LabelStatsItemsInLibrary }}</p>
       </div>
     </div>
 
@@ -14,7 +14,7 @@
       <span class="material-symbols text-5xl py-1">show_chart</span>
       <div class="px-1">
         <p class="text-4.5xl leading-none font-bold">{{ $formatNumber(totalTime) }}</p>
-        <p class="text-xs md:text-sm text-white text-opacity-80">{{ useOverallHours ? $strings.LabelStatsOverallHours : $strings.LabelStatsOverallDays }}</p>
+        <p class="text-xs md:text-sm text-white/80">{{ useOverallHours ? $strings.LabelStatsOverallHours : $strings.LabelStatsOverallDays }}</p>
       </div>
     </div>
 
@@ -24,7 +24,7 @@
       </svg>
       <div class="px-1">
         <p class="text-4.5xl leading-none font-bold">{{ $formatNumber(totalAuthors) }}</p>
-        <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsAuthors }}</p>
+        <p class="text-xs md:text-sm text-white/80">{{ $strings.LabelStatsAuthors }}</p>
       </div>
     </div>
 
@@ -32,7 +32,7 @@
       <span class="material-symbols text-5xl pt-1">insert_drive_file</span>
       <div class="px-1">
         <p class="text-4.5xl leading-none font-bold">{{ $formatNumber(totalSizeNum) }}</p>
-        <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelSize }} ({{ totalSizeMod }})</p>
+        <p class="text-xs md:text-sm text-white/80">{{ $strings.LabelSize }} ({{ totalSizeMod }})</p>
       </div>
     </div>
 
@@ -40,7 +40,7 @@
       <span class="material-symbols text-5xl pt-1">audio_file</span>
       <div class="px-1">
         <p class="text-4.5xl leading-none font-bold">{{ $formatNumber(numAudioTracks) }}</p>
-        <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsAudioTracks }}</p>
+        <p class="text-xs md:text-sm text-white/80">{{ $strings.LabelStatsAudioTracks }}</p>
       </div>
     </div>
   </div>
diff --git a/client/components/stats/YearInReviewBanner.vue b/client/components/stats/YearInReviewBanner.vue
index d3191acb..e3677538 100644
--- a/client/components/stats/YearInReviewBanner.vue
+++ b/client/components/stats/YearInReviewBanner.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-1 sm:p-4 mb-4">
+  <div class="bg-bg rounded-md shadow-lg border border-white/5 p-1 sm:p-4 mb-4">
     <!-- hack to get icon fonts loaded on init -->
     <div class="h-0 w-0 overflow-hidden opacity-0">
       <span class="material-symbols">close</span>
@@ -8,7 +8,7 @@
 
     <div class="flex items-center">
       <h1 class="hidden md:block text-xl font-semibold">{{ $getString('HeaderYearReview', [yearInReviewYear]) }}</h1>
-      <div class="hidden md:block flex-grow" />
+      <div class="hidden md:block grow" />
       <ui-btn class="w-full md:w-auto" @click.stop="clickShowYearInReview">{{ showYearInReview ? $strings.LabelYearReviewHide : $strings.LabelYearReviewShow }}</ui-btn>
     </div>
 
@@ -30,15 +30,15 @@
         <!-- share button -->
         <ui-btn v-if="showShareButton" small :disabled="processingYearInReview" class="inline-flex items-center font-semibold ml-1 sm:ml-2" @click="shareYearInReview">{{ $strings.ButtonShare }} </ui-btn>
 
-        <div class="flex-grow" />
+        <div class="grow" />
         <h2 class="hidden sm:block text-lg font-semibold">{{ $getString('LabelPersonalYearReview', [yearInReviewVariant + 1]) }}</h2>
         <p class="block sm:hidden text-lg font-semibold">{{ yearInReviewVariant + 1 }}</p>
-        <div class="flex-grow" />
+        <div class="grow" />
 
         <!-- refresh button -->
         <ui-btn small :disabled="processingYearInReview" class="inline-flex items-center font-semibold mr-1 sm:mr-2" @click="refreshYearInReview">
           <span class="hidden sm:inline-block">{{ $strings.ButtonRefresh }}</span>
-          <span class="material-symbols sm:!hidden text-lg py-px">refresh</span>
+          <span class="material-symbols sm:hidden! text-lg py-px">refresh</span>
         </ui-btn>
         <!-- next button -->
         <ui-btn small :disabled="yearInReviewVariant >= 2 || processingYearInReview" :aria-label="$strings.ButtonNext" class="inline-flex items-center font-semibold" @click="yearInReviewVariant++">
@@ -66,15 +66,15 @@
           <!-- share button -->
           <ui-btn v-if="showShareButton" small :disabled="processingYearInReviewServer" class="inline-flex items-center font-semibold ml-1 sm:ml-2" @click="shareYearInReviewServer">{{ $strings.ButtonShare }} </ui-btn>
 
-          <div class="flex-grow" />
+          <div class="grow" />
           <h2 class="hidden sm:block text-lg font-semibold">{{ $getString('LabelServerYearReview', [yearInReviewServerVariant + 1]) }}</h2>
           <p class="block sm:hidden text-lg font-semibold">{{ yearInReviewServerVariant + 1 }}</p>
-          <div class="flex-grow" />
+          <div class="grow" />
 
           <!-- refresh button -->
           <ui-btn small :disabled="processingYearInReviewServer" class="inline-flex items-center font-semibold mr-1 sm:mr-2" @click="refreshYearInReviewServer">
             <span class="hidden sm:inline-block">{{ $strings.ButtonRefresh }}</span>
-            <span class="material-symbols sm:!hidden text-lg py-px">refresh</span>
+            <span class="material-symbols sm:hidden! text-lg py-px">refresh</span>
           </ui-btn>
           <!-- next button -->
           <ui-btn small :disabled="yearInReviewServerVariant >= 2 || processingYearInReviewServer" :aria-label="$strings.ButtonNext" class="inline-flex items-center font-semibold" @click="yearInReviewServerVariant++">
diff --git a/client/components/tables/BackupsTable.vue b/client/components/tables/BackupsTable.vue
index 0b8d0305..69772732 100644
--- a/client/components/tables/BackupsTable.vue
+++ b/client/components/tables/BackupsTable.vue
@@ -2,7 +2,7 @@
   <div class="text-center mt-4 relative">
     <div class="flex py-4">
       <ui-file-input ref="fileInput" class="mr-2" accept=".audiobookshelf" @change="backupUploaded">{{ $strings.ButtonUploadBackup }}</ui-file-input>
-      <div class="flex-grow" />
+      <div class="grow" />
       <ui-btn :loading="isBackingUp" @click="clickCreateBackup">{{ $strings.ButtonCreateBackup }}</ui-btn>
     </div>
     <div class="relative">
@@ -13,7 +13,7 @@
           <th class="hidden sm:table-cell w-20 md:w-28">{{ $strings.LabelSize }}</th>
           <th class="w-36"></th>
         </tr>
-        <tr v-for="backup in backups" :key="backup.id" :class="!backup.serverVersion ? 'bg-error bg-opacity-10' : ''">
+        <tr v-for="backup in backups" :key="backup.id" :class="!backup.serverVersion ? 'bg-error/10' : ''">
           <td>
             <p class="truncate text-xs sm:text-sm md:text-base">/{{ backup.path.replace(/\\/g, '/') }}</p>
           </td>
@@ -21,7 +21,7 @@
           <td class="hidden sm:table-cell font-mono md:text-sm text-xs">{{ $bytesPretty(backup.fileSize) }}</td>
           <td>
             <div class="w-full flex flex-row items-center justify-center">
-              <ui-btn v-if="backup.serverVersion && backup.key" small color="primary" @click="applyBackup(backup)">{{ $strings.ButtonRestore }}</ui-btn>
+              <ui-btn v-if="backup.serverVersion && backup.key" small color="bg-primary" @click="applyBackup(backup)">{{ $strings.ButtonRestore }}</ui-btn>
               <ui-tooltip v-else text="This backup was created with an old version of audiobookshelf no longer supported" direction="bottom" class="mx-2 flex items-center">
                 <span class="material-symbols text-2xl text-error">error_outline</span>
               </ui-tooltip>
@@ -36,7 +36,7 @@
           <td colspan="4" class="text-lg">{{ $strings.MessageNoBackups }}</td>
         </tr>
       </table>
-      <div v-show="processing" class="absolute top-0 left-0 w-full h-full bg-black bg-opacity-25 flex items-center justify-center">
+      <div v-show="processing" class="absolute top-0 left-0 w-full h-full bg-black/25 flex items-center justify-center">
         <ui-loading-indicator />
       </div>
     </div>
@@ -48,9 +48,9 @@
 
         <p class="text-lg text-center my-8">{{ $strings.MessageRestoreBackupConfirm }} {{ $formatDatetime(selectedBackup.createdAt, dateFormat, timeFormat) }}?</p>
         <div class="flex px-1 items-center">
-          <ui-btn color="primary" @click="showConfirmApply = false">{{ $strings.ButtonNevermind }}</ui-btn>
-          <div class="flex-grow" />
-          <ui-btn color="success" @click="confirm">{{ $strings.ButtonRestore }}</ui-btn>
+          <ui-btn color="bg-primary" @click="showConfirmApply = false">{{ $strings.ButtonNevermind }}</ui-btn>
+          <div class="grow" />
+          <ui-btn color="bg-success" @click="confirm">{{ $strings.ButtonRestore }}</ui-btn>
         </div>
       </div>
     </prompt-dialog>
diff --git a/client/components/tables/ChaptersTable.vue b/client/components/tables/ChaptersTable.vue
index b315758b..46e84f8f 100644
--- a/client/components/tables/ChaptersTable.vue
+++ b/client/components/tables/ChaptersTable.vue
@@ -3,8 +3,8 @@
     <div class="w-full bg-primary px-6 py-2 flex items-center cursor-pointer" @click.stop="clickBar">
       <p class="pr-4">{{ $strings.HeaderChapters }}</p>
       <span class="bg-black-400 rounded-xl py-1 px-2 text-sm font-mono">{{ chapters.length }}</span>
-      <div class="flex-grow" />
-      <ui-btn v-if="userCanUpdate" small :to="`/audiobook/${libraryItemId}/chapters`" color="primary" class="mr-2" @click="clickEditChapters">{{ $strings.ButtonEditChapters }}</ui-btn>
+      <div class="grow" />
+      <ui-btn v-if="userCanUpdate" small :to="`/audiobook/${libraryItemId}/chapters`" color="bg-primary" class="mr-2" @click="clickEditChapters">{{ $strings.ButtonEditChapters }}</ui-btn>
       <div v-if="!keepOpen" class="cursor-pointer h-10 w-10 rounded-full hover:bg-black-400 flex justify-center items-center duration-500" :class="expanded ? 'transform rotate-180' : ''">
         <span class="material-symbols text-4xl">&#xe313;</span>
       </div>
diff --git a/client/components/tables/CollectionBooksTable.vue b/client/components/tables/CollectionBooksTable.vue
index 5803889f..d4e81592 100644
--- a/client/components/tables/CollectionBooksTable.vue
+++ b/client/components/tables/CollectionBooksTable.vue
@@ -1,12 +1,12 @@
 <template>
-  <div class="w-full bg-primary bg-opacity-40">
+  <div class="w-full bg-primary/40">
     <div class="w-full h-14 flex items-center px-4 md:px-6 py-2 bg-primary">
       <p class="pr-4">{{ $strings.HeaderCollectionItems }}</p>
 
-      <div class="w-6 h-6 md:w-7 md:h-7 bg-white bg-opacity-10 rounded-full flex items-center justify-center">
+      <div class="w-6 h-6 md:w-7 md:h-7 bg-white/10 rounded-full flex items-center justify-center">
         <span class="text-xs md:text-sm font-mono leading-none">{{ books.length }}</span>
       </div>
-      <div class="flex-grow" />
+      <div class="grow" />
       <p v-if="totalDuration" class="text-sm text-gray-200">{{ totalDurationPretty }}</p>
     </div>
     <draggable v-model="booksCopy" v-bind="dragOptions" class="list-group" handle=".drag-handle" draggable=".item" tag="div" @start="drag = true" @end="drag = false" @update="draggableUpdate">
diff --git a/client/components/tables/CustomMetadataProviderTable.vue b/client/components/tables/CustomMetadataProviderTable.vue
index 25418413..a47c26db 100644
--- a/client/components/tables/CustomMetadataProviderTable.vue
+++ b/client/components/tables/CustomMetadataProviderTable.vue
@@ -14,7 +14,7 @@
           <span v-if="provider.authHeaderValue" class="custom-provider-api-key">{{ provider.authHeaderValue }}</span>
         </td>
         <td class="py-0">
-          <div class="h-8 w-8 flex items-center justify-center text-white text-opacity-50 hover:text-error cursor-pointer" @click.stop="removeProvider(provider)">
+          <div class="h-8 w-8 flex items-center justify-center text-white/50 hover:text-error cursor-pointer" @click.stop="removeProvider(provider)">
             <button type="button" :aria-label="$strings.ButtonDelete" class="material-symbols text-base">delete</button>
           </div>
         </td>
diff --git a/client/components/tables/EbookFilesTable.vue b/client/components/tables/EbookFilesTable.vue
index 98599267..cc968acd 100644
--- a/client/components/tables/EbookFilesTable.vue
+++ b/client/components/tables/EbookFilesTable.vue
@@ -2,11 +2,11 @@
   <div class="w-full my-2">
     <div class="w-full bg-primary px-4 md:px-6 py-2 flex items-center cursor-pointer" @click.stop="clickBar">
       <p class="pr-2 md:pr-4">{{ $strings.HeaderEbookFiles }}</p>
-      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white bg-opacity-10 flex items-center justify-center">
+      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white/10 flex items-center justify-center">
         <span class="text-sm font-mono">{{ ebookFiles.length }}</span>
       </div>
-      <div class="flex-grow" />
-      <ui-btn v-if="userIsAdmin" small :color="showFullPath ? 'gray-600' : 'primary'" class="mr-2 hidden md:block" @click.stop="toggleFullPath">{{ $strings.ButtonFullPath }}</ui-btn>
+      <div class="grow" />
+      <ui-btn v-if="userIsAdmin" small :color="showFullPath ? 'bg-gray-600' : 'bg-primary'" class="mr-2 hidden md:block" @click.stop="toggleFullPath">{{ $strings.ButtonFullPath }}</ui-btn>
       <div class="cursor-pointer h-10 w-10 rounded-full hover:bg-black-400 flex justify-center items-center duration-500" :class="showFiles ? 'transform rotate-180' : ''">
         <span class="material-symbols text-4xl">&#xe313;</span>
       </div>
diff --git a/client/components/tables/LibraryFilesTable.vue b/client/components/tables/LibraryFilesTable.vue
index 49cd4959..9be7e249 100644
--- a/client/components/tables/LibraryFilesTable.vue
+++ b/client/components/tables/LibraryFilesTable.vue
@@ -2,11 +2,11 @@
   <div class="w-full my-2">
     <div class="w-full bg-primary px-4 md:px-6 py-2 flex items-center cursor-pointer" @click.stop="clickBar">
       <p class="pr-2 md:pr-4">{{ $strings.HeaderLibraryFiles }}</p>
-      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white bg-opacity-10 flex items-center justify-center">
+      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white/10 flex items-center justify-center">
         <span class="text-sm font-mono">{{ files.length }}</span>
       </div>
-      <div class="flex-grow" />
-      <ui-btn v-if="userIsAdmin" small :color="showFullPath ? 'gray-600' : 'primary'" class="mr-2 hidden md:block" @click.stop="toggleFullPath">{{ $strings.ButtonFullPath }}</ui-btn>
+      <div class="grow" />
+      <ui-btn v-if="userIsAdmin" small :color="showFullPath ? 'bg-gray-600' : 'bg-primary'" class="mr-2 hidden md:block" @click.stop="toggleFullPath">{{ $strings.ButtonFullPath }}</ui-btn>
       <div class="cursor-pointer h-10 w-10 rounded-full hover:bg-black-400 flex justify-center items-center duration-500" :class="showFiles ? 'transform rotate-180' : ''">
         <span class="material-symbols text-4xl">&#xe313;</span>
       </div>
diff --git a/client/components/tables/PlaylistItemsTable.vue b/client/components/tables/PlaylistItemsTable.vue
index a30125d6..629dda87 100644
--- a/client/components/tables/PlaylistItemsTable.vue
+++ b/client/components/tables/PlaylistItemsTable.vue
@@ -1,12 +1,12 @@
 <template>
-  <div class="w-full bg-primary bg-opacity-40">
+  <div class="w-full bg-primary/40">
     <div class="w-full h-14 flex items-center px-4 md:px-6 py-2 bg-primary">
       <p class="pr-4">{{ $strings.HeaderPlaylistItems }}</p>
 
-      <div class="w-6 h-6 md:w-7 md:h-7 bg-white bg-opacity-10 rounded-full flex items-center justify-center">
+      <div class="w-6 h-6 md:w-7 md:h-7 bg-white/10 rounded-full flex items-center justify-center">
         <span class="text-xs md:text-sm font-mono leading-none">{{ items.length }}</span>
       </div>
-      <div class="flex-grow" />
+      <div class="grow" />
       <p v-if="totalDuration" class="text-sm text-gray-200">{{ totalDurationPretty }}</p>
     </div>
     <draggable v-model="itemsCopy" v-bind="dragOptions" class="list-group" handle=".drag-handle" draggable=".item" tag="div" @start="drag = true" @end="drag = false" @update="draggableUpdate">
diff --git a/client/components/tables/TracksTable.vue b/client/components/tables/TracksTable.vue
index 8d78227f..a0b90972 100644
--- a/client/components/tables/TracksTable.vue
+++ b/client/components/tables/TracksTable.vue
@@ -2,13 +2,13 @@
   <div class="w-full my-2">
     <div class="w-full bg-primary px-4 md:px-6 py-2 flex items-center cursor-pointer" @click.stop="clickBar">
       <p class="pr-2 md:pr-4">{{ title }}</p>
-      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white bg-opacity-10 flex items-center justify-center">
+      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white/10 flex items-center justify-center">
         <span class="text-sm font-mono">{{ tracks.length }}</span>
       </div>
-      <div class="flex-grow" />
-      <ui-btn v-if="userIsAdmin" small :color="showFullPath ? 'gray-600' : 'primary'" class="mr-2 hidden md:block" @click.stop="toggleFullPath">{{ $strings.ButtonFullPath }}</ui-btn>
+      <div class="grow" />
+      <ui-btn v-if="userIsAdmin" small :color="showFullPath ? 'bg-gray-600' : 'bg-primary'" class="mr-2 hidden md:block" @click.stop="toggleFullPath">{{ $strings.ButtonFullPath }}</ui-btn>
       <nuxt-link v-if="userCanUpdate && !isFile" :to="`/audiobook/${libraryItemId}/edit`" class="mr-2 md:mr-4" @mousedown.prevent>
-        <ui-btn small color="primary">{{ $strings.ButtonManageTracks }}</ui-btn>
+        <ui-btn small color="bg-primary">{{ $strings.ButtonManageTracks }}</ui-btn>
       </nuxt-link>
       <div class="cursor-pointer h-10 w-10 rounded-full hover:bg-black-400 flex justify-center items-center duration-500" :class="showTracks ? 'transform rotate-180' : ''">
         <span class="material-symbols text-4xl">&#xe313;</span>
diff --git a/client/components/tables/UploadedFilesTable.vue b/client/components/tables/UploadedFilesTable.vue
index 3c693850..9003ad34 100644
--- a/client/components/tables/UploadedFilesTable.vue
+++ b/client/components/tables/UploadedFilesTable.vue
@@ -3,7 +3,7 @@
     <div class="w-full bg-primary px-6 py-1 flex items-center cursor-pointer" @click.stop="clickBar">
       <p class="pr-4">{{ title }}</p>
       <span class="bg-black-400 rounded-xl py-0.5 px-2 text-sm font-mono">{{ files.length }}</span>
-      <div class="flex-grow" />
+      <div class="grow" />
       <div class="cursor-pointer h-9 w-9 rounded-full hover:bg-black-400 flex justify-center items-center duration-500" :class="expand ? 'transform rotate-180' : ''">
         <span class="material-symbols text-3xl">expand_more</span>
       </div>
diff --git a/client/components/tables/UsersTable.vue b/client/components/tables/UsersTable.vue
index e95e1da8..20f41228 100644
--- a/client/components/tables/UsersTable.vue
+++ b/client/components/tables/UsersTable.vue
@@ -10,7 +10,7 @@
           <th class="w-32 hidden sm:table-cell">{{ $strings.LabelCreatedAt }}</th>
           <th class="w-32"></th>
         </tr>
-        <tr v-for="user in users" :key="user.id" class="cursor-pointer" :class="user.isActive ? '' : '!bg-error/10'" @click="$router.push(`/config/users/${user.id}`)">
+        <tr v-for="user in users" :key="user.id" class="cursor-pointer" :class="user.isActive ? '' : 'bg-error/10!'" @click="$router.push(`/config/users/${user.id}`)">
           <td>
             <div class="flex items-center">
               <widgets-online-indicator :value="!!usersOnline[user.id]" />
@@ -41,10 +41,10 @@
           <td class="py-0">
             <div class="w-full flex justify-left">
               <!-- Dont show edit for non-root users -->
-              <div v-if="user.type !== 'root' || userIsRoot" class="h-8 w-8 flex items-center justify-center text-white text-opacity-50 hover:text-opacity-100 cursor-pointer" @click.stop="editUser(user)">
+              <div v-if="user.type !== 'root' || userIsRoot" class="h-8 w-8 flex items-center justify-center text-white/50 hover:text-white/100 cursor-pointer" @click.stop="editUser(user)">
                 <button type="button" :aria-label="$getString('ButtonUserEdit', [user.username])" class="material-symbols text-base">edit</button>
               </div>
-              <div v-show="user.type !== 'root' && user.id !== currentUserId" class="h-8 w-8 flex items-center justify-center text-white text-opacity-50 hover:text-error cursor-pointer" @click.stop="deleteUserClick(user)">
+              <div v-show="user.type !== 'root' && user.id !== currentUserId" class="h-8 w-8 flex items-center justify-center text-white/50 hover:text-error cursor-pointer" @click.stop="deleteUserClick(user)">
                 <button type="button" :aria-label="$getString('ButtonUserDelete', [user.username])" class="material-symbols text-base">delete</button>
               </div>
             </div>
diff --git a/client/components/tables/collection/BookTableRow.vue b/client/components/tables/collection/BookTableRow.vue
index a35f14ea..1aa0b4eb 100644
--- a/client/components/tables/collection/BookTableRow.vue
+++ b/client/components/tables/collection/BookTableRow.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="w-full px-1 md:px-2 py-2 overflow-hidden relative" @mouseover="mouseover" @mouseleave="mouseleave" :class="isHovering ? 'bg-white bg-opacity-5' : ''">
+  <div class="w-full px-1 md:px-2 py-2 overflow-hidden relative" @mouseover="mouseover" @mouseleave="mouseleave" :class="isHovering ? 'bg-white/5' : ''">
     <div v-if="book" class="flex h-18 md:h-[5.5rem]">
       <div class="w-10 min-w-10 md:w-16 md:max-w-16 h-full">
         <div class="flex h-full items-center justify-center">
@@ -9,14 +9,14 @@
       <div class="h-full flex items-center" :style="{ width: coverWidth + 'px', minWidth: coverWidth + 'px', maxWidth: coverWidth + 'px' }">
         <div class="relative" :style="{ height: coverHeight + 'px', minHeight: coverHeight + 'px', maxHeight: coverHeight + 'px' }">
           <covers-book-cover :library-item="book" :width="coverWidth" :book-cover-aspect-ratio="bookCoverAspectRatio" />
-          <div class="absolute top-0 left-0 flex items-center justify-center bg-black bg-opacity-50 h-full w-full z-10" v-show="isHovering && showPlayBtn">
-            <div class="w-8 h-8 bg-white bg-opacity-20 rounded-full flex items-center justify-center hover:bg-opacity-40 cursor-pointer" @click="playClick">
+          <div class="absolute top-0 left-0 flex items-center justify-center bg-black/50 h-full w-full z-10" v-show="isHovering && showPlayBtn">
+            <div class="w-8 h-8 bg-white/20 rounded-full flex items-center justify-center hover:bg-white/40 cursor-pointer" @click="playClick">
               <span class="material-symbols fill text-2xl">play_arrow</span>
             </div>
           </div>
         </div>
       </div>
-      <div class="flex-grow overflow-hidden max-w-48 md:max-w-md h-full flex items-center px-2 md:px-3">
+      <div class="grow overflow-hidden max-w-48 md:max-w-md h-full flex items-center px-2 md:px-3">
         <div>
           <div class="truncate max-w-48 md:max-w-md">
             <nuxt-link :to="`/item/${book.id}`" class="truncate hover:underline text-sm md:text-base">{{ bookTitle }}</nuxt-link>
@@ -214,4 +214,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/tables/library/LibraryItem.vue b/client/components/tables/library/LibraryItem.vue
index d7b2996b..7073f43a 100644
--- a/client/components/tables/library/LibraryItem.vue
+++ b/client/components/tables/library/LibraryItem.vue
@@ -1,22 +1,22 @@
 <template>
-  <div class="w-full pl-2 pr-4 md:px-4 h-12 border border-white border-opacity-10 flex items-center relative -mt-px" :class="selected ? 'bg-primary bg-opacity-50' : 'hover:bg-primary hover:bg-opacity-25'" @mouseover="mouseover = true" @mouseleave="mouseover = false">
+  <div class="w-full pl-2 pr-4 md:px-4 h-12 border border-white/10 flex items-center relative -mt-px" :class="selected ? 'bg-primary/50' : 'hover:bg-primary/25'" @mouseover="mouseover = true" @mouseleave="mouseover = false">
     <div v-show="selected" class="absolute top-0 left-0 h-full w-0.5 bg-warning z-10" />
-    <ui-library-icon v-if="!isScanning" :icon="library.icon" :size="6" font-size="lg md:text-xl" class="text-white" :class="isHovering ? 'text-opacity-90' : 'text-opacity-50'" />
-    <svg v-else viewBox="0 0 24 24" class="h-6 w-6 text-white text-opacity-50 animate-spin">
+    <ui-library-icon v-if="!isScanning" :icon="library.icon" :size="6" font-size="text-lg md:text-xl" :class="isHovering ? 'text-white/90' : 'text-white/50'" />
+    <svg v-else viewBox="0 0 24 24" class="h-6 w-6 text-white/50 animate-spin">
       <path fill="currentColor" d="M12,4V2A10,10 0 0,0 2,12H4A8,8 0 0,1 12,4Z" />
     </svg>
     <p class="text-base md:text-xl pl-2 md:pl-4 hover:underline cursor-pointer" @click.stop="$emit('click', library)">{{ library.name }}</p>
 
-    <div class="flex-grow" />
+    <div class="grow" />
 
     <!-- Scan button only shown on desktop -->
-    <ui-btn v-if="!isScanning && !isDeleting" color="bg" class="hidden md:block mx-2 text-xs" :padding-y="1" :padding-x="3" @click.stop="scanBtnClick">{{ this.$strings.ButtonScan }}</ui-btn>
+    <ui-btn v-if="!isScanning && !isDeleting" color="bg-bg" class="hidden md:block mx-2 text-xs" :padding-y="1" :padding-x="3" @click.stop="scanBtnClick">{{ this.$strings.ButtonScan }}</ui-btn>
 
     <!-- Desktop context menu icon -->
-    <ui-context-menu-dropdown v-if="!isScanning && !isDeleting" :items="contextMenuItems" :icon-class="`text-1.5xl text-gray-${isHovering ? 50 : 400}`" class="!hidden md:!block" @action="contextMenuAction" />
+    <ui-context-menu-dropdown v-if="!isScanning && !isDeleting" :items="contextMenuItems" :icon-class="`text-1.5xl text-gray-${isHovering ? 50 : 400}`" class="hidden! md:block!" @action="contextMenuAction" />
 
     <!-- Mobile context menu icon -->
-    <span v-if="!isScanning && !isDeleting" class="!block md:!hidden material-symbols text-xl text-gray-300 ml-3 cursor-pointer" @click.stop="showMenu">more_vert</span>
+    <span v-if="!isScanning && !isDeleting" class="block! md:hidden! material-symbols text-xl text-gray-300 ml-3 cursor-pointer" @click.stop="showMenu">more_vert</span>
 
     <div v-show="isDeleting" class="text-xl text-gray-300 ml-3 animate-spin">
       <svg viewBox="0 0 24 24" class="w-6 h-6">
@@ -169,4 +169,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/tables/playlist/ItemTableRow.vue b/client/components/tables/playlist/ItemTableRow.vue
index 0cb73f9c..48563bbb 100644
--- a/client/components/tables/playlist/ItemTableRow.vue
+++ b/client/components/tables/playlist/ItemTableRow.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="w-full px-1 md:px-2 py-2 overflow-hidden relative" @mouseover="mouseover" @mouseleave="mouseleave" :class="isHovering ? 'bg-white bg-opacity-5' : ''">
+  <div class="w-full px-1 md:px-2 py-2 overflow-hidden relative" @mouseover="mouseover" @mouseleave="mouseleave" :class="isHovering ? 'bg-white/5' : ''">
     <div v-if="item" class="flex h-16 md:h-20">
       <div class="w-10 min-w-10 md:w-16 md:max-w-16 h-full">
         <div class="flex h-full items-center justify-center">
@@ -8,13 +8,13 @@
       </div>
       <div class="h-full relative flex items-center" :style="{ width: coverWidth + 'px', minWidth: coverWidth + 'px', maxWidth: coverWidth + 'px' }">
         <covers-book-cover :library-item="libraryItem" :width="coverWidth" :book-cover-aspect-ratio="bookCoverAspectRatio" />
-        <div class="absolute top-0 left-0 bg-black bg-opacity-50 flex items-center justify-center h-full w-full z-10" v-show="isHovering && showPlayBtn">
-          <div class="w-8 h-8 bg-white bg-opacity-20 rounded-full flex items-center justify-center hover:bg-opacity-40 cursor-pointer" @click="playClick">
+        <div class="absolute top-0 left-0 bg-black/50 flex items-center justify-center h-full w-full z-10" v-show="isHovering && showPlayBtn">
+          <div class="w-8 h-8 bg-white/20 rounded-full flex items-center justify-center hover:bg-white/40 cursor-pointer" @click="playClick">
             <span class="material-symbols fill text-2xl">play_arrow</span>
           </div>
         </div>
       </div>
-      <div class="flex-grow overflow-hidden max-w-48 md:max-w-md h-full flex items-center px-2 md:px-3">
+      <div class="grow overflow-hidden max-w-48 md:max-w-md h-full flex items-center px-2 md:px-3">
         <div>
           <div class="truncate max-w-48 md:max-w-md">
             <nuxt-link :to="`/item/${libraryItem.id}`" class="truncate hover:underline text-sm md:text-base">{{ itemTitle }}</nuxt-link>
diff --git a/client/components/tables/podcast/DownloadQueueTable.vue b/client/components/tables/podcast/DownloadQueueTable.vue
index d4d1e710..266d5978 100644
--- a/client/components/tables/podcast/DownloadQueueTable.vue
+++ b/client/components/tables/podcast/DownloadQueueTable.vue
@@ -2,7 +2,7 @@
   <div class="w-full my-2">
     <div class="w-full bg-primary px-4 md:px-6 py-2 flex items-center">
       <p class="pr-2 md:pr-4">{{ $strings.HeaderDownloadQueue }}</p>
-      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white bg-opacity-10 flex items-center justify-center">
+      <div class="h-5 md:h-7 w-5 md:w-7 rounded-full bg-white/10 flex items-center justify-center">
         <span class="text-sm font-mono">{{ queue.length }}</span>
       </div>
     </div>
diff --git a/client/components/tables/podcast/LazyEpisodeRow.vue b/client/components/tables/podcast/LazyEpisodeRow.vue
index 622e9994..ae99e6d3 100644
--- a/client/components/tables/podcast/LazyEpisodeRow.vue
+++ b/client/components/tables/podcast/LazyEpisodeRow.vue
@@ -1,7 +1,7 @@
 <template>
   <div :id="`lazy-episode-${index}`" class="w-full h-full cursor-pointer" @mouseover="mouseover" @mouseleave="mouseleave">
     <div class="flex" @click="clickedEpisode">
-      <div class="flex-grow">
+      <div class="grow">
         <div dir="auto" class="flex items-center">
           <span class="text-sm font-semibold">{{ episodeTitle }}</span>
           <widgets-podcast-type-indicator :type="episodeType" />
@@ -25,7 +25,7 @@
         </div>
 
         <div class="flex items-center pt-2">
-          <button class="h-8 px-4 border border-white border-opacity-20 hover:bg-white hover:bg-opacity-10 rounded-full flex items-center justify-center cursor-pointer focus:outline-none" :class="userIsFinished ? 'text-white text-opacity-40' : ''" @click.stop="playClick">
+          <button class="h-8 px-4 border border-white/20 hover:bg-white/10 rounded-full flex items-center justify-center cursor-pointer focus:outline-hidden" :class="userIsFinished ? 'text-white/40' : ''" @click.stop="playClick">
             <span class="material-symbols fill text-2xl" aria-hidden="true" :class="streamIsPlaying ? '' : 'text-success'">{{ streamIsPlaying ? 'pause' : 'play_arrow' }}</span>
             <span class="sr-only">{{ streamIsPlaying ? $strings.ButtonPause : $strings.ButtonPlay }}</span>
             <p class="pl-2 pr-1 text-sm font-semibold" aria-hidden="true">{{ timeRemaining }}</p>
@@ -50,7 +50,7 @@
       <div v-if="isHovering || isSelected || isSelectionMode" class="hidden md:block w-12 min-w-12" />
     </div>
 
-    <div v-if="isSelected || isSelectionMode" class="absolute top-0 left-0 w-full h-full bg-black bg-opacity-10 z-10 cursor-pointer" @click.stop="clickedSelectionBg" />
+    <div v-if="isSelected || isSelectionMode" class="absolute top-0 left-0 w-full h-full bg-black/10 z-10 cursor-pointer" @click.stop="clickedSelectionBg" />
     <div class="hidden md:block md:w-12 md:min-w-12 md:-right-0 md:absolute md:top-0 h-full transform transition-transform z-20" :class="!isHovering && !isSelected && !isSelectionMode ? 'translate-x-24' : 'translate-x-0'">
       <div class="flex h-full items-center">
         <div class="mx-1">
diff --git a/client/components/tables/podcast/LazyEpisodesTable.vue b/client/components/tables/podcast/LazyEpisodesTable.vue
index 057958f3..b17d9301 100644
--- a/client/components/tables/podcast/LazyEpisodesTable.vue
+++ b/client/components/tables/podcast/LazyEpisodesTable.vue
@@ -9,26 +9,26 @@
           <p v-else>{{ episodesList.length }} / {{ episodes.length }}</p>
         </div>
       </div>
-      <div class="flex-grow hidden md:block" />
+      <div class="grow hidden md:block" />
       <div class="flex items-center">
         <template v-if="isSelectionMode">
           <ui-tooltip :text="selectedIsFinished ? $strings.MessageMarkAsNotFinished : $strings.MessageMarkAsFinished" direction="bottom">
             <ui-read-icon-btn :disabled="processing" :is-read="selectedIsFinished" @click="toggleBatchFinished" class="mx-1.5" />
           </ui-tooltip>
-          <ui-btn color="error" :disabled="processing" small class="h-9" @click="removeSelectedEpisodes">{{ $getString('MessageRemoveEpisodes', [selectedEpisodes.length]) }}</ui-btn>
+          <ui-btn color="bg-error" :disabled="processing" small class="h-9" @click="removeSelectedEpisodes">{{ $getString('MessageRemoveEpisodes', [selectedEpisodes.length]) }}</ui-btn>
           <ui-btn :disabled="processing" small class="ml-2 h-9" @click="clearSelected">{{ $strings.ButtonCancel }}</ui-btn>
         </template>
         <template v-else>
           <controls-filter-select v-model="filterKey" :items="filterItems" class="w-36 h-9 md:ml-4" @change="filterSortChanged" />
           <controls-sort-select v-model="sortKey" :descending.sync="sortDesc" :items="sortItems" class="w-44 md:w-48 h-9 ml-1 sm:ml-4" @change="filterSortChanged" />
-          <div class="flex-grow md:hidden" />
+          <div class="grow md:hidden" />
           <ui-context-menu-dropdown v-if="contextMenuItems.length" :items="contextMenuItems" class="ml-1" @action="contextMenuAction" />
         </template>
       </div>
     </div>
     <div v-if="episodes.length" class="w-full py-3 mx-auto flex">
-      <form @submit.prevent="submit" class="flex flex-grow">
-        <ui-text-input v-model="search" @input="inputUpdate" type="search" :placeholder="$strings.PlaceholderSearchEpisode" class="flex-grow mr-2 text-sm md:text-base" />
+      <form @submit.prevent="submit" class="flex grow">
+        <ui-text-input v-model="search" @input="inputUpdate" type="search" :placeholder="$strings.PlaceholderSearchEpisode" class="grow mr-2 text-sm md:text-base" />
       </form>
     </div>
     <div class="relative min-h-44">
diff --git a/client/components/ui/Btn.vue b/client/components/ui/Btn.vue
index 8d8fb69d..2d888a43 100644
--- a/client/components/ui/Btn.vue
+++ b/client/components/ui/Btn.vue
@@ -1,7 +1,7 @@
 <template>
   <nuxt-link v-if="to" :to="to" class="abs-btn rounded-md shadow-md relative border border-gray-600 text-center" :disabled="disabled || loading" :class="classList" @click.native="click">
     <slot />
-    <div v-if="loading" class="text-white absolute top-0 left-0 w-full h-full flex items-center justify-center text-opacity-100">
+    <div v-if="loading" class="text-white/100 absolute top-0 left-0 w-full h-full flex items-center justify-center">
       <svg class="animate-spin" style="width: 24px; height: 24px" viewBox="0 0 24 24">
         <path fill="currentColor" d="M12,4V2A10,10 0 0,0 2,12H4A8,8 0 0,1 12,4Z" />
       </svg>
@@ -9,7 +9,7 @@
   </nuxt-link>
   <button v-else class="abs-btn rounded-md shadow-md relative border border-gray-600" :disabled="disabled || loading" :type="type" :class="classList" @mousedown.prevent @click="click">
     <slot />
-    <div v-if="loading" class="text-white absolute top-0 left-0 w-full h-full flex items-center justify-center text-opacity-100">
+    <div v-if="loading" class="text-white/100 absolute top-0 left-0 w-full h-full flex items-center justify-center">
       <span v-if="progress">{{ progress }}</span>
       <svg v-else class="animate-spin" style="width: 24px; height: 24px" viewBox="0 0 24 24">
         <path fill="currentColor" d="M12,4V2A10,10 0 0,0 2,12H4A8,8 0 0,1 12,4Z" />
@@ -24,7 +24,7 @@ export default {
     to: String,
     color: {
       type: String,
-      default: 'primary'
+      default: 'bg-primary'
     },
     type: {
       type: String,
@@ -43,9 +43,8 @@ export default {
   computed: {
     classList() {
       var list = []
-      if (this.loading) list.push('text-opacity-0')
-      list.push('text-white')
-      list.push(`bg-${this.color}`)
+      list.push(this.loading ? 'text-white/0' : 'text-white')
+      list.push(`${this.color}`)
       if (this.small) {
         list.push('text-sm')
         if (this.paddingX === undefined) list.push('px-4')
diff --git a/client/components/ui/Checkbox.vue b/client/components/ui/Checkbox.vue
index c6d2f3d4..4379d776 100644
--- a/client/components/ui/Checkbox.vue
+++ b/client/components/ui/Checkbox.vue
@@ -1,6 +1,6 @@
 <template>
   <label tabindex="0" ref="labelRef" class="flex justify-start items-center" :class="!disabled ? 'cursor-pointer' : ''" @keydown.enter="enterKeydown">
-    <div class="border-2 rounded flex flex-shrink-0 justify-center items-center" :class="wrapperClass">
+    <div class="border-2 rounded-sm flex shrink-0 justify-center items-center" :class="wrapperClass">
       <input v-model="selected" tabindex="-1" :disabled="disabled" type="checkbox" :aria-label="ariaLabel" class="opacity-0 absolute" :class="!disabled ? 'cursor-pointer' : ''" />
       <span v-if="partial" class="material-symbols text-base leading-none text-gray-400">remove</span>
       <svg v-else-if="selected" class="fill-current pointer-events-none" :class="svgClass" viewBox="0 0 20 20"><path d="M0 11l2-2 5 5L18 3l2 2L7 18z" /></svg>
diff --git a/client/components/ui/ContextMenuDropdown.vue b/client/components/ui/ContextMenuDropdown.vue
index 52a5c2e2..3c304749 100644
--- a/client/components/ui/ContextMenuDropdown.vue
+++ b/client/components/ui/ContextMenuDropdown.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="relative h-9 w-9" v-click-outside="clickOutsideObj">
     <slot :disabled="disabled" :showMenu="showMenu" :clickShowMenu="clickShowMenu" :processing="processing">
-      <button v-if="!processing" type="button" :disabled="disabled" class="relative h-full w-full flex items-center justify-center shadow-sm pl-3 pr-3 text-left focus:outline-none cursor-pointer text-gray-100 hover:text-gray-200 rounded-full hover:bg-white/5" :aria-label="$strings.LabelMore" aria-haspopup="menu" :aria-expanded="showMenu" @click.stop.prevent="clickShowMenu">
+      <button v-if="!processing" type="button" :disabled="disabled" class="relative h-full w-full flex items-center justify-center shadow-xs pl-3 pr-3 text-left focus:outline-hidden cursor-pointer text-gray-100 hover:text-gray-200 rounded-full hover:bg-white/5" :aria-label="$strings.LabelMore" aria-haspopup="menu" :aria-expanded="showMenu" @click.stop.prevent="clickShowMenu">
         <span class="material-symbols text-2xl" :class="iconClass">&#xe5d4;</span>
       </button>
       <div v-else class="h-full w-full flex items-center justify-center">
@@ -10,7 +10,7 @@
     </slot>
 
     <transition name="menu">
-      <div v-show="showMenu" ref="menuWrapper" role="menu" class="absolute right-0 mt-1 z-10 bg-bg border border-black-200 shadow-lg rounded-md py-1 focus:outline-none sm:text-sm" :style="{ width: menuWidth + 'px' }">
+      <div v-show="showMenu" ref="menuWrapper" role="menu" class="absolute right-0 mt-1 z-10 bg-bg border border-black-200 shadow-lg rounded-md py-1 focus:outline-hidden sm:text-sm" :style="{ width: menuWidth + 'px' }">
         <template v-for="(item, index) in items">
           <template v-if="item.subitems">
             <button :key="index" role="menuitem" aria-haspopup="menu" class="flex items-center px-2 py-1.5 hover:bg-white/5 text-white text-xs cursor-default w-full" :class="{ 'bg-white/5': mouseoverItemIndex == index }" @mouseover="mouseoverItem(index)" @mouseleave="mouseleaveItem(index)" @click.stop>
diff --git a/client/components/ui/Dropdown.vue b/client/components/ui/Dropdown.vue
index 3e7af46f..b14867c4 100644
--- a/client/components/ui/Dropdown.vue
+++ b/client/components/ui/Dropdown.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="relative w-full" v-click-outside="clickOutsideObj">
     <p v-if="label" class="text-sm font-semibold px-1" :class="disabled ? 'text-gray-300' : ''">{{ label }}</p>
-    <button type="button" :aria-label="longLabel" :disabled="disabled" class="relative w-full border rounded shadow-sm pl-3 pr-8 py-2 text-left sm:text-sm" :class="buttonClass" aria-haspopup="menu" :aria-expanded="showMenu" @click.stop.prevent="clickShowMenu">
+    <button type="button" :aria-label="longLabel" :disabled="disabled" class="relative w-full border rounded-sm shadow-xs pl-3 pr-8 py-2 text-left sm:text-sm" :class="buttonClass" aria-haspopup="menu" :aria-expanded="showMenu" @click.stop.prevent="clickShowMenu">
       <span class="flex items-center">
         <span class="block truncate font-sans" :class="{ 'font-semibold': selectedSubtext, 'text-sm': small }">{{ selectedText }}</span>
         <span v-if="selectedSubtext">:&nbsp;</span>
@@ -13,7 +13,7 @@
     </button>
 
     <transition name="menu">
-      <ul v-show="showMenu" class="absolute z-10 -mt-px w-full bg-primary border border-black-200 shadow-lg rounded-md py-1 ring-1 ring-black ring-opacity-5 overflow-auto sm:text-sm" tabindex="-1" role="menu" :style="{ maxHeight: menuMaxHeight }">
+      <ul v-show="showMenu" class="absolute z-10 -mt-px w-full bg-primary border border-black-200 shadow-lg rounded-md py-1 ring-1 ring-black/5 overflow-auto sm:text-sm" tabindex="-1" role="menu" :style="{ maxHeight: menuMaxHeight }">
         <template v-for="item in itemsToShow">
           <li :key="item.value" class="text-gray-100 relative py-2 cursor-pointer hover:bg-black-400" role="menuitem" tabindex="0" @keyup.enter="clickedOption(item.value)" @click="clickedOption(item.value)">
             <div class="flex items-center">
@@ -91,7 +91,7 @@ export default {
       if (this.small) classes.push('h-9')
       else classes.push('h-10')
 
-      if (this.disabled) classes.push('cursor-not-allowed border-gray-600 bg-primary bg-opacity-70 border-opacity-70 text-gray-400')
+      if (this.disabled) classes.push('cursor-not-allowed border-gray-600 bg-primary/70 border-opacity-70 text-gray-400')
       else classes.push('cursor-pointer border-gray-600 bg-primary text-gray-100')
 
       return classes.join(' ')
diff --git a/client/components/ui/EditableText.vue b/client/components/ui/EditableText.vue
index 60573aed..487cbcbc 100644
--- a/client/components/ui/EditableText.vue
+++ b/client/components/ui/EditableText.vue
@@ -1,5 +1,5 @@
 <template>
-  <input ref="input" v-model="inputValue" :type="type" :readonly="readonly" :disabled="disabled" :placeholder="placeholder" class="py-2 px-1 bg-transparent border-b border-opacity-0 border-gray-400 focus:border-opacity-100 focus:outline-none" @keyup="keyup" @change="change" @focus="focused" @blur="blurred" />
+  <input ref="input" v-model="inputValue" :type="type" :readonly="readonly" :disabled="disabled" :placeholder="placeholder" class="py-2 px-1 bg-transparent border-b/0 border-gray-400 focus:border-opacity-100 focus:outline-hidden" @keyup="keyup" @change="change" @focus="focused" @blur="blurred" />
 </template>
 
 <script>
@@ -55,4 +55,4 @@ input {
 input:read-only {
   background-color: #444;
 }
-</style>
\ No newline at end of file
+</style>
diff --git a/client/components/ui/FileInput.vue b/client/components/ui/FileInput.vue
index dcbd6a8a..9246888c 100644
--- a/client/components/ui/FileInput.vue
+++ b/client/components/ui/FileInput.vue
@@ -1,7 +1,7 @@
 <template>
   <div>
     <input ref="fileInput" type="file" :accept="accept" class="hidden" @change="inputChanged" />
-    <ui-btn @click="clickUpload" color="primary" class="hidden md:block w-full" type="text"><slot /></ui-btn>
+    <ui-btn @click="clickUpload" color="bg-primary" class="hidden md:block w-full" type="text"><slot /></ui-btn>
     <ui-icon-btn @click="clickUpload" icon="upload" class="block md:hidden" />
   </div>
 </template>
@@ -40,4 +40,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/ui/IconBtn.vue b/client/components/ui/IconBtn.vue
index 2b0dcd65..5cf72e21 100644
--- a/client/components/ui/IconBtn.vue
+++ b/client/components/ui/IconBtn.vue
@@ -1,6 +1,6 @@
 <template>
   <button :aria-label="ariaLabel" class="icon-btn rounded-md flex items-center justify-center relative" @mousedown.prevent :disabled="disabled || loading" :class="className" @click="clickBtn">
-    <div v-if="loading" class="text-white absolute top-0 left-0 w-full h-full flex items-center justify-center text-opacity-100">
+    <div v-if="loading" class="text-white/100 absolute top-0 left-0 w-full h-full flex items-center justify-center">
       <svg class="animate-spin" style="width: 24px; height: 24px" viewBox="0 0 24 24">
         <path fill="currentColor" d="M12,4V2A10,10 0 0,0 2,12H4A8,8 0 0,1 12,4Z" />
       </svg>
@@ -16,7 +16,7 @@ export default {
     disabled: Boolean,
     bgColor: {
       type: String,
-      default: 'primary'
+      default: 'bg-primary'
     },
     outlined: Boolean,
     borderless: Boolean,
@@ -38,7 +38,7 @@ export default {
     className() {
       var classes = [`h-${this.size} w-${this.size}`]
       if (!this.borderless) {
-        classes.push(`bg-${this.bgColor} border border-gray-600`)
+        classes.push(`${this.bgColor} border border-gray-600`)
       }
       return classes.join(' ')
     },
diff --git a/client/components/ui/InputDropdown.vue b/client/components/ui/InputDropdown.vue
index 314bc6e2..e4d3b7fd 100644
--- a/client/components/ui/InputDropdown.vue
+++ b/client/components/ui/InputDropdown.vue
@@ -3,12 +3,12 @@
     <label v-if="label" class="px-1 text-sm font-semibold" :class="disabled ? 'text-gray-400' : ''">{{ label }}</label>
     <div ref="wrapper" class="relative">
       <form @submit.prevent="submitForm">
-        <div ref="inputWrapper" class="input-wrapper flex-wrap relative w-full shadow-sm flex items-center border border-gray-600 rounded px-2 py-2" :class="disabled ? 'pointer-events-none bg-black-300 text-gray-400' : 'bg-primary'">
-          <input ref="input" v-model="textInput" :disabled="disabled" :readonly="!editable" class="h-full w-full bg-transparent focus:outline-none px-1" @focus="inputFocus" @blur="inputBlur" @keydown="keydownHandler" />
+        <div ref="inputWrapper" class="input-wrapper flex-wrap relative w-full shadow-xs flex items-center border border-gray-600 rounded-sm px-2 py-2" :class="disabled ? 'pointer-events-none bg-black-300 text-gray-400' : 'bg-primary'">
+          <input ref="input" v-model="textInput" :disabled="disabled" :readonly="!editable" class="h-full w-full bg-transparent focus:outline-hidden px-1" @focus="inputFocus" @blur="inputBlur" @keydown="keydownHandler" />
         </div>
       </form>
 
-      <ul ref="menu" v-show="isFocused && itemsToShow.length" class="absolute z-50 mt-0 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded py-1 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm" role="listbox" aria-labelledby="listbox-label">
+      <ul ref="menu" v-show="isFocused && itemsToShow.length" class="absolute z-50 mt-0 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded-sm py-1 text-base ring-1 ring-black/5 overflow-auto focus:outline-hidden sm:text-sm" role="listbox" aria-labelledby="listbox-label">
         <template v-for="item in itemsToShow">
           <li :key="item" class="text-gray-50 select-none relative py-2 pr-3 cursor-pointer hover:bg-black-400" :class="isMenuItemSelected(item) ? 'text-yellow-300' : ''" role="option" @click="clickedOption($event, item)" @mouseup.stop.prevent @mousedown.prevent>
             <div class="flex items-center">
diff --git a/client/components/ui/LibrariesDropdown.vue b/client/components/ui/LibrariesDropdown.vue
index a3eeaaf2..37cf3ff5 100644
--- a/client/components/ui/LibrariesDropdown.vue
+++ b/client/components/ui/LibrariesDropdown.vue
@@ -1,14 +1,6 @@
 <template>
   <div v-if="currentLibrary" class="relative h-8 max-w-52 md:min-w-32" v-click-outside="clickOutsideObj">
-    <button
-      type="button"
-      :disabled="disabled"
-      class="w-10 sm:w-full relative h-full border border-white border-opacity-10 hover:border-opacity-20 rounded shadow-sm px-2 text-left text-sm cursor-pointer bg-black bg-opacity-20 text-gray-400 hover:text-gray-200"
-      aria-haspopup="menu"
-      :aria-expanded="showMenu"
-      :aria-label="$strings.ButtonLibrary + ': ' + currentLibrary.name"
-      @click.stop.prevent="clickShowMenu"
-    >
+    <button type="button" :disabled="disabled" class="w-10 sm:w-full relative h-full border border-white/10 hover:border-opacity-20 rounded-sm shadow-xs px-2 text-left text-sm cursor-pointer bg-black/20 text-gray-400 hover:text-gray-200" aria-haspopup="menu" :aria-expanded="showMenu" :aria-label="$strings.ButtonLibrary + ': ' + currentLibrary.name" @click.stop.prevent="clickShowMenu">
       <div class="flex items-center justify-center sm:justify-start">
         <ui-library-icon :icon="currentLibraryIcon" class="sm:mr-1.5" />
         <span class="hidden sm:block truncate">{{ currentLibrary.name }}</span>
@@ -16,7 +8,7 @@
     </button>
 
     <transition name="menu">
-      <ul v-show="showMenu" class="absolute z-10 -mt-px w-full min-w-48 bg-primary border border-black-200 shadow-lg rounded-b-md py-1 overflow-auto focus:outline-none sm:text-sm librariesDropdownMenu" tabindex="-1" role="menu">
+      <ul v-show="showMenu" class="absolute z-10 -mt-px w-full min-w-48 bg-primary border border-black-200 shadow-lg rounded-b-md py-1 overflow-auto focus:outline-hidden sm:text-sm librariesDropdownMenu" tabindex="-1" role="menu">
         <template v-for="library in librariesFiltered">
           <li :key="library.id" class="text-gray-400 hover:text-white relative py-2 cursor-pointer hover:bg-black-400" role="menuitem" tabindex="0" @keydown.enter="selectLibrary(library)" @click="selectLibrary(library)">
             <div class="flex items-center px-2">
diff --git a/client/components/ui/LibraryIcon.vue b/client/components/ui/LibraryIcon.vue
index a615e84d..06abdc18 100644
--- a/client/components/ui/LibraryIcon.vue
+++ b/client/components/ui/LibraryIcon.vue
@@ -1,5 +1,5 @@
 <template>
-  <div :class="`h-${size} w-${size} min-w-${size} text-${fontSize}`" class="flex items-center justify-center">
+  <div :class="`${classList}`" class="flex items-center justify-center">
     <span class="abs-icons" :class="`icon-${iconToUse}`"></span>
   </div>
 </template>
@@ -13,7 +13,7 @@ export default {
     },
     fontSize: {
       type: String,
-      default: 'lg'
+      default: 'text-lg'
     },
     size: {
       type: Number,
@@ -24,6 +24,14 @@ export default {
     return {}
   },
   computed: {
+    classList() {
+      switch (this.size) {
+        case 6:
+          return `h-6 w-6 min-w-6 ${this.fontSize}`
+        default:
+          return `h-5 w-5 min-w-5 ${this.fontSize}`
+      }
+    },
     iconToUse() {
       return this.icons.includes(this.icon) ? this.icon : 'audiobookshelf'
     },
diff --git a/client/components/ui/MediaIconPicker.vue b/client/components/ui/MediaIconPicker.vue
index 82df338d..52d23238 100644
--- a/client/components/ui/MediaIconPicker.vue
+++ b/client/components/ui/MediaIconPicker.vue
@@ -2,16 +2,16 @@
   <div class="relative w-full h-9" v-click-outside="clickOutsideObj">
     <p class="text-sm font-semibold">{{ label }}</p>
 
-    <button type="button" :disabled="disabled" class="relative h-full w-full border border-gray-600 rounded shadow-sm pl-3 pr-3 text-left focus:outline-none cursor-pointer bg-primary text-gray-100 hover:text-gray-200" aria-haspopup="listbox" aria-expanded="true" @click.stop.prevent="clickShowMenu">
+    <button type="button" :disabled="disabled" class="relative h-full w-full border border-gray-600 rounded-sm shadow-xs pl-3 pr-3 text-left focus:outline-hidden cursor-pointer bg-primary text-gray-100 hover:text-gray-200" aria-haspopup="listbox" aria-expanded="true" @click.stop.prevent="clickShowMenu">
       <ui-library-icon :icon="selectedItem" />
     </button>
 
     <transition name="menu">
-      <div v-show="showMenu" class="absolute -left-[4.5rem] z-10 -mt-px bg-primary border border-black-200 shadow-lg max-h-56 w-48 rounded-md py-1 overflow-auto focus:outline-none sm:text-sm">
+      <div v-show="showMenu" class="absolute -left-[4.5rem] z-10 -mt-px bg-primary border border-black-200 shadow-lg max-h-56 w-48 rounded-md py-1 overflow-auto focus:outline-hidden sm:text-sm">
         <div class="flex justify-center items-center flex-wrap">
           <template v-for="icon in icons">
             <div :key="icon" class="p-2">
-              <span class="abs-icons text-xl text-white text-opacity-80 hover:text-opacity-100 cursor-pointer" :class="`icon-${icon}`" @click="select(icon)"></span>
+              <span class="abs-icons text-xl text-white/80 hover:text-white/100 cursor-pointer" :class="`icon-${icon}`" @click="select(icon)"></span>
             </div>
           </template>
         </div>
@@ -72,4 +72,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/ui/MultiSelect.vue b/client/components/ui/MultiSelect.vue
index 676f0e46..bf0d1ec9 100644
--- a/client/components/ui/MultiSelect.vue
+++ b/client/components/ui/MultiSelect.vue
@@ -3,19 +3,19 @@
     <label :for="identifier" class="px-1 text-sm font-semibold" :class="disabled ? 'text-gray-400' : ''">{{ label }}</label>
     <div ref="wrapper" class="relative">
       <form @submit.prevent="submitForm">
-        <div ref="inputWrapper" role="list" style="min-height: 36px" class="flex-wrap relative w-full shadow-sm flex items-center border border-gray-600 rounded px-2 py-1" :class="wrapperClass" @click.stop.prevent="clickWrapper" @mouseup.stop.prevent @mousedown.prevent>
+        <div ref="inputWrapper" role="list" style="min-height: 36px" class="flex-wrap relative w-full shadow-xs flex items-center border border-gray-600 rounded-sm px-2 py-1" :class="wrapperClass" @click.stop.prevent="clickWrapper" @mouseup.stop.prevent @mousedown.prevent>
           <div v-for="item in selected" :key="item" role="listitem" class="rounded-full px-2 py-1 mx-0.5 my-0.5 text-xs bg-bg flex flex-nowrap break-all items-center relative">
-            <div v-if="!disabled" class="w-full h-full rounded-full absolute top-0 left-0 px-1 bg-bg bg-opacity-75 flex items-center justify-end opacity-0 hover:opacity-100" :class="{ 'opacity-100': inputFocused }">
+            <div v-if="!disabled" class="w-full h-full rounded-full absolute top-0 left-0 px-1 bg-bg/75 flex items-center justify-end opacity-0 hover:opacity-100" :class="{ 'opacity-100': inputFocused }">
               <button v-if="showEdit" type="button" :aria-label="$strings.ButtonEdit" class="material-symbols text-white hover:text-warning cursor-pointer" style="font-size: 1.1rem" @click.stop="editItem(item)">edit</button>
               <button type="button" :aria-label="$strings.ButtonRemove" class="material-symbols text-white hover:text-error focus:text-error cursor-pointer" style="font-size: 1.1rem" @click.stop="removeItem(item)" @keydown.enter.stop.prevent="removeItem(item)" @focus="setInputFocused(true)" @blur="setInputFocused(false)" tabindex="0">close</button>
             </div>
             {{ item }}
           </div>
-          <input v-show="!readonly" v-model="textInput" ref="input" :id="identifier" :disabled="disabled" class="h-full bg-primary focus:outline-none px-1 w-6" @keydown="keydownInput" @focus="inputFocus" @blur="inputBlur" @paste="inputPaste" />
+          <input v-show="!readonly" v-model="textInput" ref="input" :id="identifier" :disabled="disabled" class="h-full bg-primary focus:outline-hidden px-1 w-6" @keydown="keydownInput" @focus="inputFocus" @blur="inputBlur" @paste="inputPaste" />
         </div>
       </form>
 
-      <ul ref="menu" v-show="showMenu" class="absolute z-60 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded-md py-1 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm" role="listbox" aria-labelledby="listbox-label">
+      <ul ref="menu" v-show="showMenu" class="absolute z-60 mt-1 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded-md py-1 text-base ring-1 ring-black/5 overflow-auto focus:outline-hidden sm:text-sm" role="listbox" aria-labelledby="listbox-label">
         <template v-for="item in itemsToShow">
           <li :key="item" class="text-gray-50 select-none relative py-2 pr-9 cursor-pointer hover:bg-black-400" :class="itemsToShow[selectedMenuItemIndex] === item ? 'text-yellow-300' : ''" role="option" @click="clickedOption($event, item)" @mouseup.stop.prevent @mousedown.prevent>
             <div class="flex items-center">
diff --git a/client/components/ui/MultiSelectDropdown.vue b/client/components/ui/MultiSelectDropdown.vue
index 6c12e929..a2707571 100644
--- a/client/components/ui/MultiSelectDropdown.vue
+++ b/client/components/ui/MultiSelectDropdown.vue
@@ -2,9 +2,9 @@
   <div class="w-full" v-click-outside="clickOutsideObj">
     <p class="px-1 text-sm font-semibold">{{ label }}</p>
     <div ref="wrapper" class="relative">
-      <div ref="inputWrapper" style="min-height: 40px" class="flex-wrap relative w-full shadow-sm flex items-center bg-primary border border-gray-600 rounded-md px-2 py-1 cursor-pointer" @click.stop.prevent="clickWrapper" @mouseup.stop.prevent @mousedown.prevent>
+      <div ref="inputWrapper" style="min-height: 40px" class="flex-wrap relative w-full shadow-xs flex items-center bg-primary border border-gray-600 rounded-md px-2 py-1 cursor-pointer" @click.stop.prevent="clickWrapper" @mouseup.stop.prevent @mousedown.prevent>
         <div v-for="item in selectedItems" :key="item.value" class="rounded-full px-2 py-1 ma-0.5 text-xs bg-bg flex flex-nowrap whitespace-nowrap items-center relative">
-          <div class="w-full h-full rounded-full absolute top-0 left-0 opacity-0 hover:opacity-100 px-1 bg-bg bg-opacity-75 flex items-center justify-end cursor-pointer">
+          <div class="w-full h-full rounded-full absolute top-0 left-0 opacity-0 hover:opacity-100 px-1 bg-bg/75 flex items-center justify-end cursor-pointer">
             <span class="material-symbols text-white hover:text-error" style="font-size: 1.1rem" @click.stop="removeItem(item.value)">close</span>
           </div>
           {{ item.text }}
@@ -12,7 +12,7 @@
       </div>
 
       <transition name="menu">
-        <ul ref="menu" v-show="showMenu" class="absolute z-60 -mt-px w-full bg-primary border border-black-200 shadow-lg max-h-56 rounded-md py-1 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm" role="listbox" aria-labelledby="listbox-label">
+        <ul ref="menu" v-show="showMenu" class="absolute z-60 -mt-px w-full bg-primary border border-black-200 shadow-lg max-h-56 rounded-md py-1 text-base ring-1 ring-black/5 overflow-auto focus:outline-hidden sm:text-sm" role="listbox" aria-labelledby="listbox-label">
           <template v-for="item in items">
             <li :key="item.value" class="text-gray-50 select-none relative py-2 pr-9 cursor-pointer hover:bg-black-400" role="option" @click="clickedOption($event, item)" @mouseup.stop.prevent @mousedown.prevent>
               <p class="font-normal ml-3 block truncate">{{ item.text }}</p>
diff --git a/client/components/ui/MultiSelectQueryInput.vue b/client/components/ui/MultiSelectQueryInput.vue
index 7c8e7005..6de16bf2 100644
--- a/client/components/ui/MultiSelectQueryInput.vue
+++ b/client/components/ui/MultiSelectQueryInput.vue
@@ -3,9 +3,9 @@
     <label :for="identifier" class="px-1 text-sm font-semibold" :class="disabled ? 'text-gray-400' : ''">{{ label }}</label>
     <div ref="wrapper" class="relative">
       <form @submit.prevent="submitForm">
-        <div ref="inputWrapper" role="list" style="min-height: 36px" class="flex-wrap relative w-full shadow-sm flex items-center border border-gray-600 rounded px-2 py-0.5" :class="wrapperClass" @click.stop.prevent="clickWrapper" @mouseup.stop.prevent @mousedown.prevent>
+        <div ref="inputWrapper" role="list" style="min-height: 36px" class="flex-wrap relative w-full shadow-xs flex items-center border border-gray-600 rounded-sm px-2 py-0.5" :class="wrapperClass" @click.stop.prevent="clickWrapper" @mouseup.stop.prevent @mousedown.prevent>
           <div v-for="item in selected" :key="item.id" role="listitem" class="rounded-full px-2 py-0.5 m-0.5 text-xs bg-bg flex flex-nowrap whitespace-nowrap items-center justify-center relative min-w-12">
-            <div v-if="!disabled" class="w-full h-full rounded-full absolute top-0 left-0 opacity-0 hover:opacity-100 px-1 bg-bg bg-opacity-75 flex items-center justify-end cursor-pointer" :class="{ 'opacity-100': inputFocused }">
+            <div v-if="!disabled" class="w-full h-full rounded-full absolute top-0 left-0 opacity-0 hover:opacity-100 px-1 bg-bg/75 flex items-center justify-end cursor-pointer" :class="{ 'opacity-100': inputFocused }">
               <button v-if="showEdit" type="button" :aria-label="$strings.ButtonEdit" class="material-symbols text-base text-white hover:text-warning focus:text-warning mr-1" @click.stop="editItem(item)" @keydown.enter.stop.prevent="editItem(item)" @focus="setInputFocused(true)" @blur="setInputFocused(false)" tabindex="0">edit</button>
               <button type="button" :aria-label="$strings.ButtonRemove" class="material-symbols text-white hover:text-error focus:text-error" style="font-size: 1.1rem" @click.stop="removeItem(item.id)" @keydown.enter.stop="removeItem(item.id)" @focus="setInputFocused(true)" @blur="setInputFocused(false)" tabindex="0">close</button>
             </div>
@@ -14,11 +14,11 @@
           <div v-if="showEdit && !disabled" class="rounded-full cursor-pointer w-6 h-6 mx-0.5 bg-bg flex items-center justify-center">
             <button type="button" :aria-label="$strings.ButtonAdd" class="material-symbols text-white hover:text-success focus:text-success pt-px pr-px" style="font-size: 1.1rem" @click.stop="addItem" @keydown.enter.stop="addItem" tabindex="0">add</button>
           </div>
-          <input v-show="!readonly" v-model="textInput" ref="input" :id="identifier" :disabled="disabled" class="h-full bg-primary focus:outline-none px-1 w-6" @keydown="keydownInput" @focus="inputFocus" @blur="inputBlur" @paste="inputPaste" />
+          <input v-show="!readonly" v-model="textInput" ref="input" :id="identifier" :disabled="disabled" class="h-full bg-primary focus:outline-hidden px-1 w-6" @keydown="keydownInput" @focus="inputFocus" @blur="inputBlur" @paste="inputPaste" />
         </div>
       </form>
 
-      <ul ref="menu" v-show="showMenu" class="absolute z-60 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded-md py-1 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm" role="listbox" aria-labelledby="listbox-label">
+      <ul ref="menu" v-show="showMenu" class="absolute z-60 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded-md py-1 text-base ring-1 ring-black/5 overflow-auto focus:outline-hidden sm:text-sm" role="listbox" aria-labelledby="listbox-label">
         <template v-for="item in itemsToShow">
           <li :key="item.id" class="text-gray-50 select-none relative py-2 pr-9 cursor-pointer hover:bg-black-400" :class="isMenuItemSelected(item) ? 'text-yellow-300' : ''" role="option" @click="clickedOption($event, item)" @mouseup.stop.prevent @mousedown.prevent>
             <div class="flex items-center">
diff --git a/client/components/ui/QueryInput.vue b/client/components/ui/QueryInput.vue
index 6c054722..91b1dacb 100644
--- a/client/components/ui/QueryInput.vue
+++ b/client/components/ui/QueryInput.vue
@@ -3,12 +3,12 @@
     <p class="px-1 text-sm font-semibold" :class="disabled ? 'text-gray-400' : ''">{{ label }}</p>
     <div ref="wrapper" class="relative">
       <form @submit.prevent="submitForm">
-        <div ref="inputWrapper" class="input-wrapper flex-wrap relative w-full shadow-sm flex items-center border border-gray-600 rounded px-2 py-2" :class="disabled ? 'pointer-events-none bg-black-300 text-gray-400' : 'bg-primary'">
-          <input ref="input" v-model="textInput" :disabled="disabled" class="h-full w-full bg-transparent focus:outline-none px-1" @keydown="keydownInput" @focus="inputFocus" @blur="inputBlur" />
+        <div ref="inputWrapper" class="input-wrapper flex-wrap relative w-full shadow-xs flex items-center border border-gray-600 rounded-sm px-2 py-2" :class="disabled ? 'pointer-events-none bg-black-300 text-gray-400' : 'bg-primary'">
+          <input ref="input" v-model="textInput" :disabled="disabled" class="h-full w-full bg-transparent focus:outline-hidden px-1" @keydown="keydownInput" @focus="inputFocus" @blur="inputBlur" />
         </div>
       </form>
 
-      <ul ref="menu" v-show="isFocused && currentSearch" class="absolute z-60 mt-0 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded py-1 text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm" role="listbox" aria-labelledby="listbox-label">
+      <ul ref="menu" v-show="isFocused && currentSearch" class="absolute z-60 mt-0 w-full bg-bg border border-black-200 shadow-lg max-h-56 rounded-sm py-1 text-base ring-1 ring-black/5 overflow-auto focus:outline-hidden sm:text-sm" role="listbox" aria-labelledby="listbox-label">
         <template v-for="item in items">
           <li :key="item.id" class="text-gray-50 select-none relative py-2 pr-3 cursor-pointer hover:bg-black-400" role="option" @click="clickedOption($event, item)" @mouseup.stop.prevent @mousedown.prevent>
             <div class="flex items-center">
diff --git a/client/components/ui/SelectInput.vue b/client/components/ui/SelectInput.vue
index e7c302d5..9e0961c1 100644
--- a/client/components/ui/SelectInput.vue
+++ b/client/components/ui/SelectInput.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="relative w-full">
     <p v-if="label" class="text-sm font-semibold px-1" :class="disabled ? 'text-gray-300' : ''">{{ label }}</p>
-    <button ref="buttonWrapper" type="button" :aria-label="longLabel" :disabled="disabled" class="relative w-full border rounded shadow-sm pl-3 pr-8 py-2 text-left sm:text-sm" :class="buttonClass" aria-haspopup="listbox" aria-expanded="true" @click.stop.prevent="clickShowMenu">
+    <button ref="buttonWrapper" type="button" :aria-label="longLabel" :disabled="disabled" class="relative w-full border rounded-sm shadow-xs pl-3 pr-8 py-2 text-left sm:text-sm" :class="buttonClass" aria-haspopup="listbox" aria-expanded="true" @click.stop.prevent="clickShowMenu">
       <span class="flex items-center">
         <span class="block truncate font-sans" :class="{ 'font-semibold': selectedSubtext, 'text-sm': small }">{{ selectedText }}</span>
         <span v-if="selectedSubtext">:&nbsp;</span>
@@ -13,7 +13,7 @@
     </button>
 
     <transition name="menu">
-      <ul ref="menu" v-show="showMenu" class="absolute z-60 -mt-px w-full bg-primary border border-black-200 shadow-lg rounded-md py-1 ring-1 ring-black ring-opacity-5 overflow-auto sm:text-sm" tabindex="-1" role="listbox" :style="{ maxHeight: menuMaxHeight }" v-click-outside="clickOutsideObj">
+      <ul ref="menu" v-show="showMenu" class="absolute z-60 -mt-px w-full bg-primary border border-black-200 shadow-lg rounded-md py-1 ring-1 ring-black/5 overflow-auto sm:text-sm" tabindex="-1" role="listbox" :style="{ maxHeight: menuMaxHeight }" v-click-outside="clickOutsideObj">
         <template v-for="item in itemsToShow">
           <li :key="item.value" class="text-gray-100 relative py-2 cursor-pointer hover:bg-black-400" :id="'listbox-option-' + item.value" role="option" tabindex="0" @keyup.enter="clickedOption(item.value)" @click.stop.prevent="clickedOption(item.value)">
             <div class="flex items-center">
@@ -92,7 +92,7 @@ export default {
       if (this.small) classes.push('h-9')
       else classes.push('h-10')
 
-      if (this.disabled) classes.push('cursor-not-allowed border-gray-600 bg-primary bg-opacity-70 border-opacity-70 text-gray-400')
+      if (this.disabled) classes.push('cursor-not-allowed border-gray-600 bg-primary/70 border-opacity-70 text-gray-400')
       else classes.push('cursor-pointer border-gray-600 bg-primary text-gray-100')
 
       return classes.join(' ')
diff --git a/client/components/ui/TextInput.vue b/client/components/ui/TextInput.vue
index 23478dee..dd0eaa73 100644
--- a/client/components/ui/TextInput.vue
+++ b/client/components/ui/TextInput.vue
@@ -1,6 +1,6 @@
 <template>
   <div ref="wrapper" class="relative">
-    <input :id="inputId" :name="inputName" ref="input" v-model="inputValue" :type="actualType" :step="step" :min="min" :readonly="readonly" :disabled="disabled" :placeholder="placeholder" dir="auto" class="rounded bg-primary text-gray-200 focus:bg-bg focus:outline-none border h-full w-full" :class="classList" @keyup="keyup" @change="change" @focus="focused" @blur="blurred" />
+    <input :id="inputId" :name="inputName" ref="input" v-model="inputValue" :type="actualType" :step="step" :min="min" :readonly="readonly" :disabled="disabled" :placeholder="placeholder" dir="auto" class="rounded-sm bg-primary text-gray-200 focus:bg-bg focus:outline-hidden border h-full w-full" :class="classList" @keyup="keyup" @change="change" @focus="focused" @blur="blurred" />
     <div v-if="clearable && inputValue" class="absolute top-0 right-0 h-full px-2 flex items-center justify-center">
       <span class="material-symbols text-gray-300 cursor-pointer" style="font-size: 1.1rem" @click.stop.prevent="clear">close</span>
     </div>
diff --git a/client/components/ui/TextareaInput.vue b/client/components/ui/TextareaInput.vue
index c2945707..91e33166 100644
--- a/client/components/ui/TextareaInput.vue
+++ b/client/components/ui/TextareaInput.vue
@@ -1,5 +1,5 @@
 <template>
-  <textarea ref="input" v-model="inputValue" :rows="rows" :readonly="readonly" :disabled="disabled" :placeholder="placeholder" dir="auto" class="py-2 px-3 rounded bg-primary text-gray-200 focus:border-gray-500 focus:outline-none" :class="transparent ? '' : 'border border-gray-600'" @change="change" />
+  <textarea ref="input" v-model="inputValue" :rows="rows" :readonly="readonly" :disabled="disabled" :placeholder="placeholder" dir="auto" class="py-2 px-3 rounded-sm bg-primary text-gray-200 focus:border-gray-500 focus:outline-hidden" :class="transparent ? '' : 'border border-gray-600'" @change="change" />
 </template>
 
 <script>
diff --git a/client/components/ui/TimePicker.vue b/client/components/ui/TimePicker.vue
index f944ef5d..61b45a91 100644
--- a/client/components/ui/TimePicker.vue
+++ b/client/components/ui/TimePicker.vue
@@ -1,6 +1,6 @@
 <template>
   <div tabindex="0" @focus="focusDigit('second0')" class="relative">
-    <div class="rounded text-gray-200 border w-full px-3 py-2" :class="focusedDigit ? 'bg-primary bg-opacity-50 border-gray-300' : 'bg-primary border-gray-600'" @click="clickInput" v-click-outside="clickOutsideObj">
+    <div class="rounded-sm text-gray-200 border w-full px-3 py-2" :class="focusedDigit ? 'bg-primary/50 border-gray-300' : 'bg-primary border-gray-600'" @click="clickInput" v-click-outside="clickOutsideObj">
       <div class="flex items-center">
         <template v-for="(digit, index) in digitDisplay">
           <div v-if="digit == ':'" :key="index" class="px-px" @click.stop="clickMedian(index)">:</div>
diff --git a/client/components/ui/ToggleBtns.vue b/client/components/ui/ToggleBtns.vue
index 2312b26f..3c1d663f 100644
--- a/client/components/ui/ToggleBtns.vue
+++ b/client/components/ui/ToggleBtns.vue
@@ -1,6 +1,6 @@
 <template>
   <div class="inline-flex toggle-btn-wrapper shadow-md">
-    <button v-for="item in items" :key="item.value" type="button" class="toggle-btn outline-none relative border border-gray-600 px-4 py-1" :class="{ selected: item.value === value }" @click.stop="clickBtn(item.value)">
+    <button v-for="item in items" :key="item.value" type="button" class="toggle-btn outline-hidden relative border border-gray-600 px-4 py-1" :class="{ selected: item.value === value }" @click.stop="clickBtn(item.value)">
       {{ item.text }}
     </button>
   </div>
diff --git a/client/components/ui/ToggleSwitch.vue b/client/components/ui/ToggleSwitch.vue
index 2e7c045c..a2d41c95 100644
--- a/client/components/ui/ToggleSwitch.vue
+++ b/client/components/ui/ToggleSwitch.vue
@@ -1,7 +1,7 @@
 <template>
   <div>
     <button :aria-labelledby="labeledBy" :aria-label="label" role="checkbox" type="button" class="border rounded-full border-black-100 flex items-center cursor-pointer justify-start" :style="{ width: buttonWidth + 'px' }" :aria-checked="toggleValue" :class="className" @click="clickToggle">
-      <span class="rounded-full border border-black-50 shadow transform transition-transform duration-100" :style="{ width: cursorHeightWidth + 'px', height: cursorHeightWidth + 'px' }" :class="switchClassName"></span>
+      <span class="rounded-full border border-black-50 shadow-sm transform transition-transform duration-100" :style="{ width: cursorHeightWidth + 'px', height: cursorHeightWidth + 'px' }" :class="switchClassName"></span>
     </button>
   </div>
 </template>
diff --git a/client/components/ui/Tooltip.vue b/client/components/ui/Tooltip.vue
index 77245537..e6ab0117 100644
--- a/client/components/ui/Tooltip.vue
+++ b/client/components/ui/Tooltip.vue
@@ -55,7 +55,7 @@ export default {
       var tooltip = document.createElement('div')
       this.tooltipId = String(Math.floor(Math.random() * 10000))
       tooltip.id = this.tooltipId
-      tooltip.className = 'tooltip-wrapper absolute px-2 py-1 text-white text-xs rounded shadow-lg max-w-xs text-center hidden sm:block'
+      tooltip.className = 'tooltip-wrapper absolute px-2 py-1 text-white text-xs rounded-sm shadow-lg max-w-xs text-center hidden sm:block'
       tooltip.style.zIndex = 100
       tooltip.style.backgroundColor = 'rgba(0,0,0,0.85)'
       tooltip.innerHTML = this.text
diff --git a/client/components/widgets/Alert.vue b/client/components/widgets/Alert.vue
index c09a86b0..46431464 100644
--- a/client/components/widgets/Alert.vue
+++ b/client/components/widgets/Alert.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="w-full bg-opacity-5 border border-opacity-60 rounded-lg flex items-center relative py-4 pl-16" :class="wrapperClass">
+  <div class="w-full border rounded-lg flex items-center relative py-4 pl-16" :class="wrapperClass">
     <div class="absolute top-0 left-4 h-full flex items-center">
       <span class="material-symbols text-2xl">{{ icon }}</span>
     </div>
@@ -24,7 +24,18 @@ export default {
       return 'info'
     },
     wrapperClass() {
-      return `bg-${this.type} border-${this.type} text-${this.type}`
+      switch (this.type) {
+        case 'error':
+          return 'bg-error/5 border-error/60 text-error'
+        case 'warning':
+          return 'bg-warning/5 border-warning/60 text-warning'
+        case 'success':
+          return 'bg-success/5 border-success/60 text-success'
+        case 'info':
+          return 'bg-info/5 border-info/60 text-info'
+        default:
+          return 'bg-primary/5 border-primary/60 text-primary'
+      }
     }
   },
   methods: {},
diff --git a/client/components/widgets/BookDetailsEdit.vue b/client/components/widgets/BookDetailsEdit.vue
index a7af02c8..db3b86ed 100644
--- a/client/components/widgets/BookDetailsEdit.vue
+++ b/client/components/widgets/BookDetailsEdit.vue
@@ -5,7 +5,7 @@
         <div class="w-full md:w-1/2 px-1">
           <ui-text-input-with-label ref="titleInput" v-model="details.title" :label="$strings.LabelTitle" trim-whitespace @input="handleInputChange" />
         </div>
-        <div class="flex-grow px-1 mt-2 md:mt-0">
+        <div class="grow px-1 mt-2 md:mt-0">
           <ui-text-input-with-label ref="subtitleInput" v-model="details.subtitle" :label="$strings.LabelSubtitle" trim-whitespace @input="handleInputChange" />
         </div>
       </div>
@@ -15,13 +15,13 @@
           <!-- Authors filter only contains authors in this library, uses filter data -->
           <ui-multi-select-query-input ref="authorsSelect" v-model="details.authors" :label="$strings.LabelAuthors" filter-key="authors" @input="handleInputChange" />
         </div>
-        <div class="flex-grow px-1 mt-2 md:mt-0">
+        <div class="grow px-1 mt-2 md:mt-0">
           <ui-text-input-with-label ref="publishYearInput" v-model="details.publishedYear" type="number" :label="$strings.LabelPublishYear" @input="handleInputChange" />
         </div>
       </div>
 
       <div class="flex mt-2 -mx-1">
-        <div class="flex-grow px-1">
+        <div class="grow px-1">
           <widgets-series-input-widget v-model="details.series" @input="handleInputChange" />
         </div>
       </div>
@@ -32,7 +32,7 @@
         <div class="w-full md:w-1/2 px-1">
           <ui-multi-select ref="genresSelect" v-model="details.genres" :label="$strings.LabelGenres" :items="genres" @input="handleInputChange" />
         </div>
-        <div class="flex-grow px-1 mt-2 md:mt-0">
+        <div class="grow px-1 mt-2 md:mt-0">
           <ui-multi-select ref="tagsSelect" v-model="newTags" :label="$strings.LabelTags" :items="tags" @input="handleInputChange" />
         </div>
       </div>
@@ -56,12 +56,12 @@
         <div class="w-1/2 md:w-1/4 px-1 mt-2 md:mt-0">
           <ui-text-input-with-label ref="languageInput" v-model="details.language" :label="$strings.LabelLanguage" trim-whitespace @input="handleInputChange" />
         </div>
-        <div class="flex-grow px-1 pt-6 mt-2 md:mt-0">
+        <div class="grow px-1 pt-6 mt-2 md:mt-0">
           <div class="flex justify-center">
             <ui-checkbox v-model="details.explicit" :label="$strings.LabelExplicit" checkbox-bg="primary" border-color="gray-600" label-class="pl-2 text-base font-semibold" @input="handleInputChange" />
           </div>
         </div>
-        <div class="flex-grow px-1 pt-6 mt-2 md:mt-0">
+        <div class="grow px-1 pt-6 mt-2 md:mt-0">
           <div class="flex justify-center">
             <ui-checkbox v-model="details.abridged" :label="$strings.LabelAbridged" checkbox-bg="primary" border-color="gray-600" label-class="pl-2 text-base font-semibold" @input="handleInputChange" />
           </div>
diff --git a/client/components/widgets/CronExpressionBuilder.vue b/client/components/widgets/CronExpressionBuilder.vue
index e49d3688..77b5a54c 100644
--- a/client/components/widgets/CronExpressionBuilder.vue
+++ b/client/components/widgets/CronExpressionBuilder.vue
@@ -1,10 +1,10 @@
 <template>
   <div class="w-full py-2">
     <div class="flex -mb-px">
-      <div class="w-1/2 h-8 rounded-tl-md relative border border-black-200 flex items-center justify-center cursor-pointer" :class="!showAdvancedView ? 'text-white bg-bg hover:bg-opacity-60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary bg-opacity-70 hover:bg-opacity-60'" @click="showAdvancedView = false">
+      <div class="w-1/2 h-8 rounded-tl-md relative border border-black-200 flex items-center justify-center cursor-pointer" :class="!showAdvancedView ? 'text-white bg-bg hover:bg-bg/60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary/70 hover:bg-primary/60'" @click="showAdvancedView = false">
         <p class="text-sm">{{ $strings.HeaderSchedule }}</p>
       </div>
-      <div class="w-1/2 h-8 rounded-tr-md relative border border-black-200 flex items-center justify-center -ml-px cursor-pointer" :class="showAdvancedView ? 'text-white bg-bg hover:bg-opacity-60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary bg-opacity-70 hover:bg-opacity-60'" @click="showAdvancedView = true">
+      <div class="w-1/2 h-8 rounded-tr-md relative border border-black-200 flex items-center justify-center -ml-px cursor-pointer" :class="showAdvancedView ? 'text-white bg-bg hover:bg-bg/60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary/70 hover:bg-primary/60'" @click="showAdvancedView = true">
         <p class="text-sm">{{ $strings.HeaderAdvanced }}</p>
       </div>
     </div>
@@ -20,7 +20,7 @@
           <ui-text-input-with-label v-model="selectedMinute" @input="updateCron" @blur="minuteBlur" type="number" :label="$strings.LabelMinute" class="max-w-20" />
         </div>
 
-        <div v-if="description" class="w-full bg-primary bg-opacity-75 rounded-xl p-2 md:p-4 text-center mt-2">
+        <div v-if="description" class="w-full bg-primary/75 rounded-xl p-2 md:p-4 text-center mt-2">
           <p class="text-base md:text-lg text-gray-200" v-html="description" />
         </div>
       </template>
diff --git a/client/components/widgets/ItemSlider.vue b/client/components/widgets/ItemSlider.vue
index 92e9fcee..880654a4 100644
--- a/client/components/widgets/ItemSlider.vue
+++ b/client/components/widgets/ItemSlider.vue
@@ -2,11 +2,11 @@
   <div class="w-full">
     <div class="flex items-center py-3e">
       <slot />
-      <div class="flex-grow" />
-      <button cy-id="leftScrollButton" v-if="isScrollable" :aria-label="$strings.ButtonScrollLeft" class="w-8e h-8e mx-1e flex items-center justify-center rounded-full" :class="canScrollLeft ? 'hover:bg-white hover:bg-opacity-5 text-gray-300 hover:text-white' : 'text-white text-opacity-40 cursor-text'" @click="scrollLeft">
+      <div class="grow" />
+      <button cy-id="leftScrollButton" v-if="isScrollable" :aria-label="$strings.ButtonScrollLeft" class="w-8e h-8e mx-1e flex items-center justify-center rounded-full" :class="canScrollLeft ? 'hover:bg-white/5 text-gray-300 hover:text-white' : 'text-white/40 cursor-text'" @click="scrollLeft">
         <span class="material-symbols" :style="{ fontSize: 1.5 + 'em' }">chevron_left</span>
       </button>
-      <button cy-id="rightScrollButton" v-if="isScrollable" :aria-label="$strings.ButtonScrollRight" class="w-8e h-8e mx-1e flex items-center justify-center rounded-full" :class="canScrollRight ? 'hover:bg-white hover:bg-opacity-5 text-gray-300 hover:text-white' : 'text-white text-opacity-40 cursor-text'" @click="scrollRight">
+      <button cy-id="rightScrollButton" v-if="isScrollable" :aria-label="$strings.ButtonScrollRight" class="w-8e h-8e mx-1e flex items-center justify-center rounded-full" :class="canScrollRight ? 'hover:bg-white/5 text-gray-300 hover:text-white' : 'text-white/40 cursor-text'" @click="scrollRight">
         <span class="material-symbols" :style="{ fontSize: 1.5 + 'em' }">chevron_right</span>
       </button>
     </div>
diff --git a/client/components/widgets/NotificationWidget.vue b/client/components/widgets/NotificationWidget.vue
index 6ead559b..26477deb 100644
--- a/client/components/widgets/NotificationWidget.vue
+++ b/client/components/widgets/NotificationWidget.vue
@@ -14,7 +14,7 @@
     </button>
     <transition name="menu">
       <div class="sm:w-80 w-full relative">
-        <div v-show="showMenu" class="absolute z-40 -mt-px w-40 sm:w-full bg-bg border border-black-200 shadow-lg rounded-md text-base ring-1 ring-black ring-opacity-5 overflow-auto focus:outline-none sm:text-sm globalTaskRunningMenu">
+        <div v-show="showMenu" class="absolute z-40 -mt-px w-40 sm:w-full bg-bg border border-black-200 shadow-lg rounded-md text-base ring-1 ring-black/5 overflow-auto focus:outline-hidden sm:text-sm globalTaskRunningMenu">
           <ul class="h-full w-full" role="listbox" aria-labelledby="listbox-label">
             <template v-if="tasksToShow.length">
               <template v-for="task in tasksToShow">
diff --git a/client/components/widgets/OnlineIndicator.vue b/client/components/widgets/OnlineIndicator.vue
index 0f5cb535..51da2e90 100644
--- a/client/components/widgets/OnlineIndicator.vue
+++ b/client/components/widgets/OnlineIndicator.vue
@@ -5,7 +5,7 @@
         <path fill="currentColor" d="M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z" />
       </svg>
     </div>
-    <svg v-else class="w-full h-full mr-2 text-white text-opacity-20" viewBox="0 0 24 24">
+    <svg v-else class="w-full h-full mr-2 text-white/20" viewBox="0 0 24 24">
       <path fill="currentColor" d="M12,2A10,10 0 0,0 2,12A10,10 0 0,0 12,22A10,10 0 0,0 22,12A10,10 0 0,0 12,2Z" />
     </svg>
   </div>
@@ -23,4 +23,4 @@ export default {
   methods: {},
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/components/widgets/PodcastDetailsEdit.vue b/client/components/widgets/PodcastDetailsEdit.vue
index e665dc4e..0be67df3 100644
--- a/client/components/widgets/PodcastDetailsEdit.vue
+++ b/client/components/widgets/PodcastDetailsEdit.vue
@@ -5,7 +5,7 @@
         <div class="w-1/2 px-1">
           <ui-text-input-with-label ref="titleInput" v-model="details.title" :label="$strings.LabelTitle" trim-whitespace @input="handleInputChange" />
         </div>
-        <div class="flex-grow px-1">
+        <div class="grow px-1">
           <ui-text-input-with-label ref="authorInput" v-model="details.author" :label="$strings.LabelAuthor" trim-whitespace @input="handleInputChange" />
         </div>
       </div>
@@ -18,7 +18,7 @@
         <div class="w-1/2 px-1">
           <ui-multi-select ref="genresSelect" v-model="details.genres" :label="$strings.LabelGenres" :items="genres" @input="handleInputChange" />
         </div>
-        <div class="flex-grow px-1">
+        <div class="grow px-1">
           <ui-multi-select ref="tagsSelect" v-model="newTags" :label="$strings.LabelTags" :items="tags" @input="handleInputChange" />
         </div>
       </div>
@@ -33,7 +33,7 @@
         <div class="w-1/4 px-1">
           <ui-text-input-with-label ref="languageInput" v-model="details.language" :label="$strings.LabelLanguage" trim-whitespace @input="handleInputChange" />
         </div>
-        <div class="flex-grow px-1 pt-6">
+        <div class="grow px-1 pt-6">
           <div class="flex justify-center">
             <ui-checkbox v-model="details.explicit" :label="$strings.LabelExplicit" checkbox-bg="primary" border-color="gray-600" label-class="pl-2 text-base font-semibold" @input="handleInputChange" />
           </div>
diff --git a/client/components/widgets/RssFeedMetadataBuilder.vue b/client/components/widgets/RssFeedMetadataBuilder.vue
index 5e629485..f5c88100 100644
--- a/client/components/widgets/RssFeedMetadataBuilder.vue
+++ b/client/components/widgets/RssFeedMetadataBuilder.vue
@@ -1,21 +1,21 @@
 <template>
   <div class="w-full py-2">
     <div class="flex -mb-px">
-      <div class="w-1/2 h-6 rounded-tl-md relative border border-black-200 flex items-center justify-center cursor-pointer" :class="!showAdvancedView ? 'text-white bg-bg hover:bg-opacity-60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary bg-opacity-70 hover:bg-opacity-60'" @click="showAdvancedView = false">
+      <div class="w-1/2 h-6 rounded-tl-md relative border border-black-200 flex items-center justify-center cursor-pointer" :class="!showAdvancedView ? 'text-white bg-bg hover:bg-bg/60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary/70 hover:bg-primary/60'" @click="showAdvancedView = false">
         <p class="text-sm">{{ $strings.HeaderRSSFeedGeneral }}</p>
       </div>
-      <div class="w-1/2 h-6 rounded-tr-md relative border border-black-200 flex items-center justify-center -ml-px cursor-pointer" :class="showAdvancedView ? 'text-white bg-bg hover:bg-opacity-60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary bg-opacity-70 hover:bg-opacity-60'" @click="showAdvancedView = true">
+      <div class="w-1/2 h-6 rounded-tr-md relative border border-black-200 flex items-center justify-center -ml-px cursor-pointer" :class="showAdvancedView ? 'text-white bg-bg hover:bg-bg/60 border-b-bg' : 'text-gray-400 hover:text-gray-300 bg-primary/70 hover:bg-primary/60'" @click="showAdvancedView = true">
         <p class="text-sm">{{ $strings.HeaderAdvanced }}</p>
       </div>
     </div>
     <div class="px-2 py-4 md:p-4 border border-black-200 rounded-b-md mr-px" style="min-height: 200px">
       <template v-if="!showAdvancedView">
-        <div class="flex-grow pt-2 mb-2">
+        <div class="grow pt-2 mb-2">
           <ui-checkbox v-model="preventIndexing" :label="$strings.LabelPreventIndexing" checkbox-bg="primary" border-color="gray-600" label-class="pl-2" />
         </div>
       </template>
       <template v-else>
-        <div class="flex-grow pt-2 mb-2">
+        <div class="grow pt-2 mb-2">
           <ui-checkbox v-model="preventIndexing" :label="$strings.LabelPreventIndexing" checkbox-bg="primary" border-color="gray-600" label-class="pl-2" />
         </div>
         <div class="w-full relative mb-1">
diff --git a/client/mixins/bookshelfCardsHelpers.js b/client/mixins/bookshelfCardsHelpers.js
index d3e18128..22a3556f 100644
--- a/client/mixins/bookshelfCardsHelpers.js
+++ b/client/mixins/bookshelfCardsHelpers.js
@@ -133,7 +133,7 @@ export default {
 
       instance.$mount()
       instance.$el.style.transform = this.entityTransform((index % this.entitiesPerShelf) + 1)
-      instance.$el.classList.add('absolute', 'top-0', 'left-0')
+      instance.$el.classList.add('absolute', 'top-0', 'left-0', 'z-10')
       shelfEl.appendChild(instance.$el)
 
       if (this.entities[index]) {
diff --git a/client/nuxt.config.js b/client/nuxt.config.js
index 4df6246f..f54d1cf4 100644
--- a/client/nuxt.config.js
+++ b/client/nuxt.config.js
@@ -112,16 +112,7 @@ module.exports = {
   },
 
   // Build Configuration: https://go.nuxtjs.dev/config-build
-  build: {
-    postcss: {
-      postcssOptions: {
-        plugins: {
-          tailwindcss: {},
-          autoprefixer: {}
-        }
-      }
-    }
-  },
+  build: {},
   watchers: {
     webpack: {
       aggregateTimeout: 300,
diff --git a/client/package-lock.json b/client/package-lock.json
index 77759a7d..d0bf36b7 100644
--- a/client/package-lock.json
+++ b/client/package-lock.json
@@ -11,6 +11,7 @@
       "dependencies": {
         "@nuxtjs/axios": "^5.13.6",
         "@nuxtjs/proxy": "^2.1.0",
+        "@tailwindcss/postcss": "^4.0.13",
         "@teckel/vue-pdf": "^4.3.5",
         "core-js": "^3.16.0",
         "cron-parser": "^4.7.1",
@@ -28,9 +29,9 @@
       },
       "devDependencies": {
         "@nuxtjs/pwa": "^3.3.5",
-        "autoprefixer": "^10.4.7",
+        "@tailwindcss/cli": "^4.0.14",
         "postcss": "^8.3.6",
-        "tailwindcss": "^3.4.1"
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-        "source-map-js": "^1.2.0"
+        "nanoid": "^3.3.8",
+        "picocolors": "^1.1.1",
+        "source-map-js": "^1.2.1"
       },
       "engines": {
         "node": "^10 || ^12 || >=14"
@@ -13840,25 +14718,6 @@
         "enhanced-resolve": "^4.1.1"
       }
     },
-    "node_modules/postcss-js": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/postcss-js/-/postcss-js-4.0.1.tgz",
-      "integrity": "sha512-dDLF8pEO191hJMtlHFPRa8xsizHaM82MLfNkUHdUtVEV3tgTp5oj+8qbEqYM57SLfc74KSbw//4SeJma2LRVIw==",
-      "dev": true,
-      "dependencies": {
-        "camelcase-css": "^2.0.1"
-      },
-      "engines": {
-        "node": "^12 || ^14 || >= 16"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/postcss/"
-      },
-      "peerDependencies": {
-        "postcss": "^8.4.21"
-      }
-    },
     "node_modules/postcss-lab-function": {
       "version": "6.0.19",
       "resolved": "https://registry.npmjs.org/postcss-lab-function/-/postcss-lab-function-6.0.19.tgz",
@@ -13888,50 +14747,6 @@
         "postcss": "^8.4"
       }
     },
-    "node_modules/postcss-load-config": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/postcss-load-config/-/postcss-load-config-4.0.2.tgz",
-      "integrity": "sha512-bSVhyJGL00wMVoPUzAVAnbEoWyqRxkjv64tUl427SKnPrENtq6hJwUojroMz2VB+Q1edmi4IfrAPpami5VVgMQ==",
-      "dev": true,
-      "funding": [
-        {
-          "type": "opencollective",
-          "url": "https://opencollective.com/postcss/"
-        },
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/ai"
-        }
-      ],
-      "dependencies": {
-        "lilconfig": "^3.0.0",
-        "yaml": "^2.3.4"
-      },
-      "engines": {
-        "node": ">= 14"
-      },
-      "peerDependencies": {
-        "postcss": ">=8.0.9",
-        "ts-node": ">=9.0.0"
-      },
-      "peerDependenciesMeta": {
-        "postcss": {
-          "optional": true
-        },
-        "ts-node": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/postcss-load-config/node_modules/yaml": {
-      "version": "2.3.4",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.3.4.tgz",
-      "integrity": "sha512-8aAvwVUSHpfEqTQ4w/KMlf3HcRdt50E5ODIQJBw1fQ5RL34xabzxtUlzTXVqc4rkZsPbvrXKWnABCD7kWSmocA==",
-      "dev": true,
-      "engines": {
-        "node": ">= 14"
-      }
-    },
     "node_modules/postcss-loader": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/postcss-loader/-/postcss-loader-4.3.0.tgz",
@@ -14165,25 +14980,6 @@
         "postcss": "^8.1.0"
       }
     },
-    "node_modules/postcss-nested": {
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/postcss-nested/-/postcss-nested-6.0.1.tgz",
-      "integrity": "sha512-mEp4xPMi5bSWiMbsgoPfcP74lsWLHkQbZc3sY+jWYd65CUwXrUaTp0fmNpa01ZcETKlIgUdFN/MpS2xZtqL9dQ==",
-      "dev": true,
-      "dependencies": {
-        "postcss-selector-parser": "^6.0.11"
-      },
-      "engines": {
-        "node": ">=12.0"
-      },
-      "funding": {
-        "type": "opencollective",
-        "url": "https://opencollective.com/postcss/"
-      },
-      "peerDependencies": {
-        "postcss": "^8.2.14"
-      }
-    },
     "node_modules/postcss-nesting": {
       "version": "12.1.5",
       "resolved": "https://registry.npmjs.org/postcss-nesting/-/postcss-nesting-12.1.5.tgz",
@@ -15530,14 +16326,14 @@
       }
     },
     "node_modules/safe-regex-test": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/safe-regex-test/-/safe-regex-test-1.0.3.tgz",
-      "integrity": "sha512-CdASjNJPvRa7roO6Ra/gLYBTzYzzPyyBXxIMdGW3USQLyjWEls2RgW5UBTXaQVp+OrpeCK3bLem8smtmheoRuw==",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/safe-regex-test/-/safe-regex-test-1.1.0.tgz",
+      "integrity": "sha512-x/+Cz4YrimQxQccJf5mKEbIa1NzeCRNI5Ecl/ekmlYaampdNLPalVyIcCZNNH3MvmqBugV5TMYZXv0ljslUlaw==",
       "license": "MIT",
       "dependencies": {
-        "call-bind": "^1.0.6",
+        "call-bound": "^1.0.2",
         "es-errors": "^1.3.0",
-        "is-regex": "^1.1.4"
+        "is-regex": "^1.2.1"
       },
       "engines": {
         "node": ">= 0.4"
@@ -16117,9 +16913,9 @@
       }
     },
     "node_modules/source-map-js": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.0.tgz",
-      "integrity": "sha512-itJW8lvSA0TXEphiRoawsCksnlf8SyvmFzIhltqAHluXd88pkCd+cXJVHTDwdCr0IzwptSm035IHQktUu1QUMg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
+      "integrity": "sha512-UXWMKhLOwVKb728IUtQPXxfYU+usdybtUrK/8uGE8CQMvrhOpwvzDBwj0QhSL7MQc7vIsISBG8VQ8+IDQxpfQA==",
       "license": "BSD-3-Clause",
       "engines": {
         "node": ">=0.10.0"
@@ -16336,21 +17132,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/string-width-cjs": {
-      "name": "string-width",
-      "version": "4.2.3",
-      "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.3.tgz",
-      "integrity": "sha512-wKyQRQpjJ0sIp62ErSZdGsjMJWsap5oRNihHhu6G7JVO/9jIB6UyevL+tXuOqrng8j/cxKTWyWUwvSTriiZz/g==",
-      "dev": true,
-      "dependencies": {
-        "emoji-regex": "^8.0.0",
-        "is-fullwidth-code-point": "^3.0.0",
-        "strip-ansi": "^6.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/string.prototype.trim": {
       "version": "1.2.9",
       "resolved": "https://registry.npmjs.org/string.prototype.trim/-/string.prototype.trim-1.2.9.tgz",
@@ -16411,19 +17192,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/strip-ansi-cjs": {
-      "name": "strip-ansi",
-      "version": "6.0.1",
-      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.1.tgz",
-      "integrity": "sha512-Y38VPSHcqkFrCpFnQ9vuSXmquuv5oXOKpGeT6aGrr3o3Gc9AlVa6JBfUSOCnbxGGZF+/0ooI7KrPuUSztUdU5A==",
-      "dev": true,
-      "dependencies": {
-        "ansi-regex": "^5.0.1"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/strip-final-newline": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/strip-final-newline/-/strip-final-newline-2.0.0.tgz",
@@ -16559,83 +17327,6 @@
         "postcss": "^8.4.31"
       }
     },
-    "node_modules/sucrase": {
-      "version": "3.35.0",
-      "resolved": "https://registry.npmjs.org/sucrase/-/sucrase-3.35.0.tgz",
-      "integrity": "sha512-8EbVDiu9iN/nESwxeSxDKe0dunta1GOlHufmSSXxMD2z2/tMZpDMpvXQGsc+ajGo8y2uYUmixaSRUc/QPoQ0GA==",
-      "dev": true,
-      "dependencies": {
-        "@jridgewell/gen-mapping": "^0.3.2",
-        "commander": "^4.0.0",
-        "glob": "^10.3.10",
-        "lines-and-columns": "^1.1.6",
-        "mz": "^2.7.0",
-        "pirates": "^4.0.1",
-        "ts-interface-checker": "^0.1.9"
-      },
-      "bin": {
-        "sucrase": "bin/sucrase",
-        "sucrase-node": "bin/sucrase-node"
-      },
-      "engines": {
-        "node": ">=16 || 14 >=14.17"
-      }
-    },
-    "node_modules/sucrase/node_modules/commander": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/commander/-/commander-4.1.1.tgz",
-      "integrity": "sha512-NOKm8xhkzAjzFx8B2v5OAHT+u5pRQc2UCa2Vq9jYL/31o2wi9mxBA7LIFs3sV5VSC49z6pEhfbMULvShKj26WA==",
-      "dev": true,
-      "engines": {
-        "node": ">= 6"
-      }
-    },
-    "node_modules/sucrase/node_modules/glob": {
-      "version": "10.3.10",
-      "resolved": "https://registry.npmjs.org/glob/-/glob-10.3.10.tgz",
-      "integrity": "sha512-fa46+tv1Ak0UPK1TOy/pZrIybNNt4HCv7SDzwyfiOZkvZLEbjsZkJBPtDHVshZjbecAoAGSC20MjLDG/qr679g==",
-      "dev": true,
-      "dependencies": {
-        "foreground-child": "^3.1.0",
-        "jackspeak": "^2.3.5",
-        "minimatch": "^9.0.1",
-        "minipass": "^5.0.0 || ^6.0.2 || ^7.0.0",
-        "path-scurry": "^1.10.1"
-      },
-      "bin": {
-        "glob": "dist/esm/bin.mjs"
-      },
-      "engines": {
-        "node": ">=16 || 14 >=14.17"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
-    "node_modules/sucrase/node_modules/minimatch": {
-      "version": "9.0.3",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-9.0.3.tgz",
-      "integrity": "sha512-RHiac9mvaRw0x3AYRgDC1CxAP7HTcNrrECeA8YYJeWnpo+2Q5CegtZjaotWTWxDG3UeGA1coE05iH1mPjT/2mg==",
-      "dev": true,
-      "dependencies": {
-        "brace-expansion": "^2.0.1"
-      },
-      "engines": {
-        "node": ">=16 || 14 >=14.17"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
-    "node_modules/sucrase/node_modules/minipass": {
-      "version": "7.0.4",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.0.4.tgz",
-      "integrity": "sha512-jYofLM5Dam9279rdkWzqHozUo4ybjdZmCsDHePy5V/PbBcVMiSZR97gmAy45aqi8CK1lG2ECd356FU86avfwUQ==",
-      "dev": true,
-      "engines": {
-        "node": ">=16 || 14 >=14.17"
-      }
-    },
     "node_modules/supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -16698,62 +17389,9 @@
       }
     },
     "node_modules/tailwindcss": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-3.4.1.tgz",
-      "integrity": "sha512-qAYmXRfk3ENzuPBakNK0SRrUDipP8NQnEY6772uDhflcQz5EhRdD7JNZxyrFHVQNCwULPBn6FNPp9brpO7ctcA==",
-      "dev": true,
-      "dependencies": {
-        "@alloc/quick-lru": "^5.2.0",
-        "arg": "^5.0.2",
-        "chokidar": "^3.5.3",
-        "didyoumean": "^1.2.2",
-        "dlv": "^1.1.3",
-        "fast-glob": "^3.3.0",
-        "glob-parent": "^6.0.2",
-        "is-glob": "^4.0.3",
-        "jiti": "^1.19.1",
-        "lilconfig": "^2.1.0",
-        "micromatch": "^4.0.5",
-        "normalize-path": "^3.0.0",
-        "object-hash": "^3.0.0",
-        "picocolors": "^1.0.0",
-        "postcss": "^8.4.23",
-        "postcss-import": "^15.1.0",
-        "postcss-js": "^4.0.1",
-        "postcss-load-config": "^4.0.1",
-        "postcss-nested": "^6.0.1",
-        "postcss-selector-parser": "^6.0.11",
-        "resolve": "^1.22.2",
-        "sucrase": "^3.32.0"
-      },
-      "bin": {
-        "tailwind": "lib/cli.js",
-        "tailwindcss": "lib/cli.js"
-      },
-      "engines": {
-        "node": ">=14.0.0"
-      }
-    },
-    "node_modules/tailwindcss/node_modules/glob-parent": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-6.0.2.tgz",
-      "integrity": "sha512-XxwI8EOhVQgWp6iDL+3b0r86f4d6AX6zSU55HfB4ydCEuXLXc5FcYeOu+nnGftS4TEju/11rt4KJPTMgbfmv4A==",
-      "dev": true,
-      "dependencies": {
-        "is-glob": "^4.0.3"
-      },
-      "engines": {
-        "node": ">=10.13.0"
-      }
-    },
-    "node_modules/tailwindcss/node_modules/lilconfig": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/lilconfig/-/lilconfig-2.1.0.tgz",
-      "integrity": "sha512-utWOt/GHzuUxnLKxB6dk81RoOeoNeHgbrXiuGk4yyF5qlRz+iIVWu56E2fqGHFrXz0QNUhLB/8nKqvRH66JKGQ==",
-      "dev": true,
-      "engines": {
-        "node": ">=10"
-      }
+      "version": "4.0.13",
+      "resolved": "https://registry.npmjs.org/tailwindcss/-/tailwindcss-4.0.13.tgz",
+      "integrity": "sha512-gbvFrB0fOsTv/OugXWi2PtflJ4S6/ctu6Mmn3bCftmLY/6xRsQVEJPgIIpABwpZ52DpONkCA3bEj5b54MHxF2Q=="
     },
     "node_modules/tapable": {
       "version": "1.1.3",
@@ -16904,27 +17542,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/thenify": {
-      "version": "3.3.1",
-      "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
-      "integrity": "sha512-RVZSIV5IG10Hk3enotrhvz0T9em6cyHBLkH/YAZuKqd8hRkKhSfCGIcP2KUY0EPxndzANBmNllzWPwak+bheSw==",
-      "dev": true,
-      "dependencies": {
-        "any-promise": "^1.0.0"
-      }
-    },
-    "node_modules/thenify-all": {
-      "version": "1.6.0",
-      "resolved": "https://registry.npmjs.org/thenify-all/-/thenify-all-1.6.0.tgz",
-      "integrity": "sha512-RNxQH/qI8/t3thXJDwcstUO4zeqo64+Uy/+sNVRBx4Xn2OX+OZ9oP+iJnNFqplFra2ZUVeKCSa2oVWi3T4uVmA==",
-      "dev": true,
-      "dependencies": {
-        "thenify": ">= 3.1.0 < 4"
-      },
-      "engines": {
-        "node": ">=0.8"
-      }
-    },
     "node_modules/thread-loader": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/thread-loader/-/thread-loader-3.0.4.tgz",
@@ -17086,6 +17703,7 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
       "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "license": "MIT",
       "dependencies": {
         "is-number": "^7.0.0"
       },
@@ -17144,12 +17762,6 @@
       "resolved": "https://registry.npmjs.org/trix/-/trix-1.3.1.tgz",
       "integrity": "sha512-BbH6mb6gk+AV4f2as38mP6Ucc1LE3OD6XxkZnAgPIduWXYtvg2mI3cZhIZSLqmMh9OITEpOBCCk88IVmyjU7bA=="
     },
-    "node_modules/ts-interface-checker": {
-      "version": "0.1.13",
-      "resolved": "https://registry.npmjs.org/ts-interface-checker/-/ts-interface-checker-0.1.13.tgz",
-      "integrity": "sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA==",
-      "dev": true
-    },
     "node_modules/ts-pnp": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/ts-pnp/-/ts-pnp-1.2.0.tgz",
@@ -18966,24 +19578,6 @@
         "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
       }
     },
-    "node_modules/wrap-ansi-cjs": {
-      "name": "wrap-ansi",
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
-      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
-      "dev": true,
-      "dependencies": {
-        "ansi-styles": "^4.0.0",
-        "string-width": "^4.1.0",
-        "strip-ansi": "^6.0.0"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/chalk/wrap-ansi?sponsor=1"
-      }
-    },
     "node_modules/wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
diff --git a/client/package.json b/client/package.json
index 3e35df33..baf8013d 100644
--- a/client/package.json
+++ b/client/package.json
@@ -12,13 +12,14 @@
     "generate": "nuxt generate",
     "test": "npm run compile-tailwind && cypress run --component --browser chrome",
     "test-visually": "npm run compile-tailwind && cypress open --component --browser chrome",
-    "compile-tailwind": "tailwindcss -i ./assets/tailwind.css -o ./cypress/support/tailwind.compiled.css"
+    "compile-tailwind": "npx @tailwindcss/cli -i ./assets/tailwind.css -o ./cypress/support/tailwind.compiled.css"
   },
   "author": "advplyr",
   "license": "ISC",
   "dependencies": {
     "@nuxtjs/axios": "^5.13.6",
     "@nuxtjs/proxy": "^2.1.0",
+    "@tailwindcss/postcss": "^4.0.13",
     "@teckel/vue-pdf": "^4.3.5",
     "core-js": "^3.16.0",
     "cron-parser": "^4.7.1",
@@ -36,9 +37,9 @@
   },
   "devDependencies": {
     "@nuxtjs/pwa": "^3.3.5",
-    "autoprefixer": "^10.4.7",
+    "@tailwindcss/cli": "^4.0.14",
     "postcss": "^8.3.6",
-    "tailwindcss": "^3.4.1"
+    "tailwindcss": "^4.0.13"
   },
   "optionalDependencies": {
     "cypress": "^13.7.3"
diff --git a/client/pages/account.vue b/client/pages/account.vue
index 4515ab1f..b157f570 100644
--- a/client/pages/account.vue
+++ b/client/pages/account.vue
@@ -26,8 +26,8 @@
           <ui-text-input-with-label v-model="confirmPassword" :disabled="changingPassword" type="password" :label="$strings.LabelConfirmPassword" class="my-2" />
           <div class="flex items-center py-2">
             <p v-if="isRoot" class="text-error py-2 text-xs">* {{ $strings.NoteChangeRootPassword }}</p>
-            <div class="flex-grow" />
-            <ui-btn v-show="(password && newPassword && confirmPassword) || isRoot" type="submit" :loading="changingPassword" color="success">{{ $strings.ButtonSubmit }}</ui-btn>
+            <div class="grow" />
+            <ui-btn v-show="(password && newPassword && confirmPassword) || isRoot" type="submit" :loading="changingPassword" color="bg-success">{{ $strings.ButtonSubmit }}</ui-btn>
           </div>
         </form>
       </div>
@@ -37,9 +37,9 @@
 
         <app-settings-content :header-text="$strings.HeaderEreaderDevices">
           <template #header-items>
-            <div class="flex-grow" />
+            <div class="grow" />
 
-            <ui-btn color="primary" small @click="addNewDeviceClick">{{ $strings.ButtonAddDevice }}</ui-btn>
+            <ui-btn color="bg-primary" small @click="addNewDeviceClick">{{ $strings.ButtonAddDevice }}</ui-btn>
           </template>
 
           <table v-if="ereaderDevices.length" class="tracksTable mt-4">
@@ -70,7 +70,7 @@
       </div>
 
       <div class="py-4 mt-8 flex">
-        <ui-btn color="primary flex items-center text-lg" @click="logout"><span class="material-symbols mr-4 icon-text">logout</span>{{ $strings.ButtonLogout }}</ui-btn>
+        <ui-btn color="bg-primary flex items-center text-lg" @click="logout"><span class="material-symbols mr-4 icon-text">logout</span>{{ $strings.ButtonLogout }}</ui-btn>
       </div>
 
       <modals-emails-user-e-reader-device-modal v-model="showEReaderDeviceModal" :existing-devices="revisedEreaderDevices" :ereader-device="selectedEReaderDevice" @update="ereaderDevicesUpdated" />
diff --git a/client/pages/audiobook/_id/chapters.vue b/client/pages/audiobook/_id/chapters.vue
index 9fe5773c..71abef33 100644
--- a/client/pages/audiobook/_id/chapters.vue
+++ b/client/pages/audiobook/_id/chapters.vue
@@ -7,7 +7,7 @@
       <button class="w-7 h-7 flex items-center justify-center mx-4 hover:scale-110 duration-100 transform text-gray-200 hover:text-white" @click="editItem">
         <span class="material-symbols text-base">edit</span>
       </button>
-      <div class="flex-grow hidden md:block" />
+      <div class="grow hidden md:block" />
       <p class="text-base hidden md:block">{{ $strings.LabelDuration }}:</p>
       <p class="text-base font-mono ml-4 hidden md:block">{{ $secondsToTimestamp(mediaDurationRounded) }}</p>
     </div>
@@ -17,18 +17,18 @@
         <div class="flex items-center">
           <div class="w-12 hidden lg:block" />
           <p class="text-lg mb-4 font-semibold">{{ $strings.HeaderChapters }}</p>
-          <div class="flex-grow" />
+          <div class="grow" />
           <ui-checkbox v-model="showSecondInputs" checkbox-bg="primary" small label-class="text-sm text-gray-200 pl-1" :label="$strings.LabelShowSeconds" class="mx-2" />
           <div class="w-32 hidden lg:block" />
         </div>
         <div class="flex items-center mb-3 py-1 -mx-1">
           <div class="w-12 hidden lg:block" />
-          <ui-btn v-if="chapters.length" color="primary" small class="mx-1" @click.stop="removeAllChaptersClick">{{ $strings.ButtonRemoveAll }}</ui-btn>
+          <ui-btn v-if="chapters.length" color="bg-primary" small class="mx-1" @click.stop="removeAllChaptersClick">{{ $strings.ButtonRemoveAll }}</ui-btn>
           <ui-btn v-if="newChapters.length > 1" :color="showShiftTimes ? 'bg' : 'primary'" class="mx-1" small @click="showShiftTimes = !showShiftTimes">{{ $strings.ButtonShiftTimes }}</ui-btn>
-          <ui-btn color="primary" small :class="{ 'mx-1': newChapters.length > 1 }" @click="showFindChaptersModal = true">{{ $strings.ButtonLookup }}</ui-btn>
-          <div class="flex-grow" />
+          <ui-btn color="bg-primary" small :class="{ 'mx-1': newChapters.length > 1 }" @click="showFindChaptersModal = true">{{ $strings.ButtonLookup }}</ui-btn>
+          <div class="grow" />
           <ui-btn v-if="hasChanges" small class="mx-1" @click.stop="resetChapters">{{ $strings.ButtonReset }}</ui-btn>
-          <ui-btn v-if="hasChanges" color="success" class="mx-1" :disabled="!hasChanges" small @click="saveChapters">{{ $strings.ButtonSave }}</ui-btn>
+          <ui-btn v-if="hasChanges" color="bg-success" class="mx-1" :disabled="!hasChanges" small @click="saveChapters">{{ $strings.ButtonSave }}</ui-btn>
           <div class="w-32 hidden lg:block" />
         </div>
 
@@ -36,12 +36,12 @@
           <transition name="slide">
             <div v-if="showShiftTimes" class="flex mb-4">
               <div class="w-12 hidden lg:block" />
-              <div class="flex-grow">
+              <div class="grow">
                 <div class="flex items-center">
                   <p class="text-sm mb-1 font-semibold pr-2">{{ $strings.LabelTimeToShift }}</p>
                   <ui-text-input v-model="shiftAmount" type="number" class="max-w-20" style="height: 30px" />
-                  <ui-btn color="primary" class="mx-1" small @click="shiftChapterTimes">{{ $strings.ButtonAdd }}</ui-btn>
-                  <div class="flex-grow" />
+                  <ui-btn color="bg-primary" class="mx-1" small @click="shiftChapterTimes">{{ $strings.ButtonAdd }}</ui-btn>
+                  <div class="grow" />
                   <span class="material-symbols text-gray-200 hover:text-white cursor-pointer" @click="showShiftTimes = false">expand_less</span>
                 </div>
                 <p class="text-xs py-1.5 text-gray-300 max-w-md">{{ $strings.NoteChapterEditorTimes }}</p>
@@ -54,7 +54,7 @@
         <div class="flex text-xs uppercase text-gray-300 font-semibold mb-2">
           <div class="w-8 min-w-8 md:w-12 md:min-w-12"></div>
           <div class="w-24 min-w-24 md:w-32 md:min-w-32 px-2">{{ $strings.LabelStart }}</div>
-          <div class="flex-grow px-2">{{ $strings.LabelTitle }}</div>
+          <div class="grow px-2">{{ $strings.LabelTitle }}</div>
           <div class="w-32"></div>
         </div>
         <template v-for="chapter in newChapters">
@@ -64,7 +64,7 @@
               <ui-text-input v-if="showSecondInputs" v-model="chapter.start" type="number" class="text-xs" @change="checkChapters" />
               <ui-time-picker v-else class="text-xs" v-model="chapter.start" :show-three-digit-hour="mediaDuration >= 360000" @change="checkChapters" />
             </div>
-            <div class="flex-grow px-1">
+            <div class="grow px-1">
               <ui-text-input v-model="chapter.title" @change="checkChapters" class="text-xs" />
             </div>
             <div class="w-32 min-w-32 px-2 py-1">
@@ -103,20 +103,20 @@
       <div class="w-full max-w-xl py-4 px-2">
         <div class="flex items-center mb-4 py-1">
           <p class="text-lg font-semibold">{{ $strings.HeaderAudioTracks }}</p>
-          <div class="flex-grow" />
+          <div class="grow" />
           <ui-btn small @click="setChaptersFromTracks">{{ $strings.ButtonSetChaptersFromTracks }}</ui-btn>
           <ui-tooltip :text="$strings.MessageSetChaptersFromTracksDescription" direction="top" class="flex items-center mx-1 cursor-default">
             <span class="material-symbols text-xl text-gray-200">info</span>
           </ui-tooltip>
         </div>
         <div class="flex text-xs uppercase text-gray-300 font-semibold mb-2">
-          <div class="flex-grow">{{ $strings.LabelFilename }}</div>
+          <div class="grow">{{ $strings.LabelFilename }}</div>
           <div class="w-20">{{ $strings.LabelDuration }}</div>
           <div class="w-20 hidden md:block text-center">{{ $strings.HeaderChapters }}</div>
         </div>
         <template v-for="track in audioTracks">
-          <div :key="track.ino" class="flex items-center py-2" :class="currentTrackIndex === track.index && isPlayingChapter ? 'bg-success bg-opacity-10' : ''">
-            <div class="flex-grow max-w-[calc(100%-80px)] pr-2">
+          <div :key="track.ino" class="flex items-center py-2" :class="currentTrackIndex === track.index && isPlayingChapter ? 'bg-success/10' : ''">
+            <div class="grow max-w-[calc(100%-80px)] pr-2">
               <p class="text-xs truncate max-w-sm">{{ track.metadata.filename }}</p>
             </div>
             <div class="w-20" style="min-width: 80px">
@@ -130,7 +130,7 @@
       </div>
     </div>
 
-    <div v-if="saving" class="w-full h-full absolute top-0 left-0 bottom-0 right-0 z-30 bg-black bg-opacity-25 flex items-center justify-center">
+    <div v-if="saving" class="w-full h-full absolute top-0 left-0 bottom-0 right-0 z-30 bg-black/25 flex items-center justify-center">
       <ui-loading-indicator />
     </div>
 
@@ -144,7 +144,7 @@
         <div v-if="!chapterData" class="flex p-20">
           <ui-text-input-with-label v-model.trim="asinInput" label="ASIN" />
           <ui-dropdown v-model="regionInput" :label="$strings.LabelRegion" small :items="audibleRegions" class="w-32 mx-1" />
-          <ui-btn small color="primary" class="mt-5" @click="findChapters">{{ $strings.ButtonSearch }}</ui-btn>
+          <ui-btn small color="bg-primary" class="mt-5" @click="findChapters">{{ $strings.ButtonSearch }}</ui-btn>
         </div>
         <div v-else class="w-full p-4">
           <div class="flex justify-between mb-4">
@@ -164,35 +164,35 @@
 
           <div class="flex py-0.5 text-xs font-semibold uppercase text-gray-300 mb-1">
             <div class="w-24 px-2">{{ $strings.LabelStart }}</div>
-            <div class="flex-grow px-2">{{ $strings.LabelTitle }}</div>
+            <div class="grow px-2">{{ $strings.LabelTitle }}</div>
           </div>
           <div class="w-full max-h-80 overflow-y-auto my-2">
-            <div v-for="(chapter, index) in chapterData.chapters" :key="index" class="flex py-0.5 text-xs" :class="chapter.startOffsetSec > mediaDuration ? 'bg-error bg-opacity-20' : chapter.startOffsetSec + chapter.lengthMs / 1000 > mediaDuration ? 'bg-warning bg-opacity-20' : index % 2 === 0 ? 'bg-primary bg-opacity-30' : ''">
+            <div v-for="(chapter, index) in chapterData.chapters" :key="index" class="flex py-0.5 text-xs" :class="chapter.startOffsetSec > mediaDuration ? 'bg-error/20' : chapter.startOffsetSec + chapter.lengthMs / 1000 > mediaDuration ? 'bg-warning/20' : index % 2 === 0 ? 'bg-primary/30' : ''">
               <div class="w-24 min-w-24 px-2">
                 <p class="font-mono">{{ $secondsToTimestamp(chapter.startOffsetSec) }}</p>
               </div>
-              <div class="flex-grow px-2">
+              <div class="grow px-2">
                 <p class="truncate max-w-sm">{{ chapter.title }}</p>
               </div>
             </div>
           </div>
           <div v-if="chapterData.runtimeLengthSec > mediaDurationRounded" class="w-full pt-2">
             <div class="flex items-center">
-              <div class="w-2 h-2 bg-warning bg-opacity-50" />
+              <div class="w-2 h-2 bg-warning/50" />
               <p class="pl-2">{{ $strings.MessageChapterEndIsAfter }}</p>
             </div>
             <div class="flex items-center">
-              <div class="w-2 h-2 bg-error bg-opacity-50" />
+              <div class="w-2 h-2 bg-error/50" />
               <p class="pl-2">{{ $strings.MessageChapterStartIsAfter }}</p>
             </div>
           </div>
           <div class="flex items-center pt-2">
-            <ui-btn small color="primary" class="mr-1" @click="applyChapterNamesOnly">{{ $strings.ButtonMapChapterTitles }}</ui-btn>
+            <ui-btn small color="bg-primary" class="mr-1" @click="applyChapterNamesOnly">{{ $strings.ButtonMapChapterTitles }}</ui-btn>
             <ui-tooltip :text="$strings.MessageMapChapterTitles" direction="top" class="flex items-center">
               <span class="material-symbols text-xl text-gray-200">info</span>
             </ui-tooltip>
-            <div class="flex-grow" />
-            <ui-btn small color="success" @click="applyChapterData">{{ $strings.ButtonApplyChapters }}</ui-btn>
+            <div class="grow" />
+            <ui-btn small color="bg-success" @click="applyChapterData">{{ $strings.ButtonApplyChapters }}</ui-btn>
           </div>
         </div>
       </div>
diff --git a/client/pages/audiobook/_id/edit.vue b/client/pages/audiobook/_id/edit.vue
index bba27951..e29ab9e3 100644
--- a/client/pages/audiobook/_id/edit.vue
+++ b/client/pages/audiobook/_id/edit.vue
@@ -6,27 +6,27 @@
     <div class="w-full h-full overflow-y-auto p-8">
       <div class="w-full flex justify-between items-center pb-6 pt-2">
         <p class="text-lg">{{ $strings.MessageDragFilesIntoTrackOrder }}</p>
-        <ui-btn color="success" @click="saveTracklist">{{ $strings.ButtonSaveTracklist }}</ui-btn>
+        <ui-btn color="bg-success" @click="saveTracklist">{{ $strings.ButtonSaveTracklist }}</ui-btn>
       </div>
       <div class="w-full flex items-center text-sm py-4 bg-primary border-l border-r border-t border-gray-600">
         <div class="text-center px-4 w-12">{{ $strings.LabelNew }}</div>
-        <div class="text-center px-4 w-24 flex items-center cursor-pointer text-white text-opacity-40 hover:text-opacity-100" @click="sortByCurrent" @mousedown.prevent>
+        <div class="text-center px-4 w-24 flex items-center cursor-pointer text-white/40 hover:text-white/100" @click="sortByCurrent" @mousedown.prevent>
           <span class="text-white">{{ $strings.LabelCurrent }}</span>
-          <span class="material-symbols ml-1" :class="currentSort === 'current' ? 'text-white text-opacity-100 text-lg' : 'text-sm'">{{ currentSort === 'current' ? 'expand_more' : 'unfold_more' }}</span>
+          <span class="material-symbols ml-1" :class="currentSort === 'current' ? 'text-white/100 text-lg' : 'text-sm'">{{ currentSort === 'current' ? 'expand_more' : 'unfold_more' }}</span>
         </div>
-        <div class="text-center px-4 w-32 flex items-center cursor-pointer text-white text-opacity-40 hover:text-opacity-100" @click="sortByFilenameTrack" @mousedown.prevent>
+        <div class="text-center px-4 w-32 flex items-center cursor-pointer text-white/40 hover:text-white/100" @click="sortByFilenameTrack" @mousedown.prevent>
           <span class="text-white">{{ $strings.LabelTrackFromFilename }}</span>
-          <span class="material-symbols ml-1" :class="currentSort === 'track-filename' ? 'text-white text-opacity-100 text-lg' : 'text-sm'">{{ currentSort === 'track-filename' ? 'expand_more' : 'unfold_more' }}</span>
+          <span class="material-symbols ml-1" :class="currentSort === 'track-filename' ? 'text-white/100 text-lg' : 'text-sm'">{{ currentSort === 'track-filename' ? 'expand_more' : 'unfold_more' }}</span>
         </div>
-        <div class="text-center px-4 w-32 flex items-center cursor-pointer text-white text-opacity-40 hover:text-opacity-100" @click="sortByMetadataTrack" @mousedown.prevent>
+        <div class="text-center px-4 w-32 flex items-center cursor-pointer text-white/40 hover:text-white/100" @click="sortByMetadataTrack" @mousedown.prevent>
           <span class="text-white">{{ $strings.LabelTrackFromMetadata }}</span>
-          <span class="material-symbols ml-1" :class="currentSort === 'metadata' ? 'text-white text-opacity-100 text-lg' : 'text-sm'">{{ currentSort === 'metadata' ? 'expand_more' : 'unfold_more' }}</span>
+          <span class="material-symbols ml-1" :class="currentSort === 'metadata' ? 'text-white/100 text-lg' : 'text-sm'">{{ currentSort === 'metadata' ? 'expand_more' : 'unfold_more' }}</span>
         </div>
         <div class="w-20 text-center">{{ $strings.LabelDiscFromFilename }}</div>
         <div class="w-20 text-center">{{ $strings.LabelDiscFromMetadata }}</div>
-        <div class="text-center px-4 flex-grow flex items-center cursor-pointer text-white text-opacity-40 hover:text-opacity-100" @click="sortByFilename" @mousedown.prevent>
+        <div class="text-center px-4 grow flex items-center cursor-pointer text-white/40 hover:text-white/100" @click="sortByFilename" @mousedown.prevent>
           <span class="text-white">{{ $strings.LabelFilename }}</span>
-          <span class="material-symbols ml-1" :class="currentSort === 'filename' ? 'text-white text-opacity-100 text-lg' : 'text-sm'">{{ currentSort === 'filename' ? 'expand_more' : 'unfold_more' }}</span>
+          <span class="material-symbols ml-1" :class="currentSort === 'filename' ? 'text-white/100 text-lg' : 'text-sm'">{{ currentSort === 'filename' ? 'expand_more' : 'unfold_more' }}</span>
         </div>
 
         <div class="w-20 text-center">{{ $strings.LabelSize }}</div>
@@ -53,7 +53,7 @@
             <div class="truncate px-4 w-20 min-w-20">
               {{ audio.discNumFromMeta }}
             </div>
-            <div class="truncate px-4 flex-grow">
+            <div class="truncate px-4 grow">
               {{ audio.metadata.filename }}
             </div>
 
diff --git a/client/pages/audiobook/_id/manage.vue b/client/pages/audiobook/_id/manage.vue
index 56d78d1c..30e615bb 100644
--- a/client/pages/audiobook/_id/manage.vue
+++ b/client/pages/audiobook/_id/manage.vue
@@ -19,14 +19,14 @@
     </div>
 
     <div class="flex justify-center flex-wrap">
-      <div class="w-full max-w-2xl border border-white border-opacity-10 bg-bg mx-2">
+      <div class="w-full max-w-2xl border border-white/10 bg-bg mx-2">
         <div class="flex py-2 px-4">
           <div class="w-1/3 text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelMetaTag }}</div>
           <div class="w-2/3 text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelValue }}</div>
         </div>
         <div class="w-full max-h-72 overflow-auto">
           <template v-for="(value, key, index) in metadataObject">
-            <div :key="key" class="flex py-1 px-4 text-sm" :class="index % 2 === 0 ? 'bg-primary bg-opacity-25' : ''">
+            <div :key="key" class="flex py-1 px-4 text-sm" :class="index % 2 === 0 ? 'bg-primary/25' : ''">
               <div class="w-1/3 font-semibold">{{ key }}</div>
               <div class="w-2/3">
                 {{ value }}
@@ -35,17 +35,17 @@
           </template>
         </div>
       </div>
-      <div class="w-full max-w-2xl border border-white border-opacity-10 bg-bg mx-2">
-        <div class="flex py-2 px-4 bg-primary bg-opacity-25">
-          <div class="flex-grow text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelChapterTitle }}</div>
+      <div class="w-full max-w-2xl border border-white/10 bg-bg mx-2">
+        <div class="flex py-2 px-4 bg-primary/25">
+          <div class="grow text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelChapterTitle }}</div>
           <div class="w-24 text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelStart }}</div>
           <div class="w-24 text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelEnd }}</div>
         </div>
         <div class="w-full max-h-72 overflow-auto">
           <p v-if="!metadataChapters.length" class="py-5 text-center text-gray-200">{{ $strings.MessageNoChapters }}</p>
           <template v-for="(chapter, index) in metadataChapters">
-            <div :key="index" class="flex py-1 px-4 text-sm" :class="index % 2 === 1 ? 'bg-primary bg-opacity-25' : ''">
-              <div class="flex-grow font-semibold">{{ chapter.title }}</div>
+            <div :key="index" class="flex py-1 px-4 text-sm" :class="index % 2 === 1 ? 'bg-primary/25' : ''">
+              <div class="grow font-semibold">{{ chapter.title }}</div>
               <div class="w-24">
                 {{ $secondsToTimestamp(chapter.start) }}
               </div>
@@ -58,7 +58,7 @@
       </div>
     </div>
 
-    <div class="w-full h-px bg-white bg-opacity-10 my-8" />
+    <div class="w-full h-px bg-white/10 my-8" />
 
     <div class="w-full max-w-4xl mx-auto">
       <!-- queued alert -->
@@ -69,9 +69,9 @@
       <div v-else-if="isEmbedTool" class="w-full flex justify-end items-center mb-4">
         <ui-checkbox v-if="!isTaskFinished" v-model="shouldBackupAudioFiles" :disabled="processing" :label="$strings.LabelBackupAudioFiles" medium checkbox-bg="bg" label-class="pl-2 text-base md:text-lg" @input="toggleBackupAudioFiles" />
 
-        <div class="flex-grow" />
+        <div class="grow" />
 
-        <ui-btn v-if="!isTaskFinished" color="primary" :loading="processing" :progress="progress" @click.stop="embedClick">{{ $strings.ButtonStartMetadataEmbed }}</ui-btn>
+        <ui-btn v-if="!isTaskFinished" color="bg-primary" :loading="processing" :progress="progress" @click.stop="embedClick">{{ $strings.ButtonStartMetadataEmbed }}</ui-btn>
         <p v-else-if="taskFailed" class="text-error text-lg font-semibold">{{ $strings.MessageEmbedFailed }} {{ taskError }}</p>
         <p v-else class="text-success text-lg font-semibold">{{ $strings.MessageEmbedFinished }}</p>
       </div>
@@ -81,10 +81,10 @@
           <span class="material-symbols text-xl">{{ showEncodeOptions || usingCustomEncodeOptions ? 'check_box' : 'check_box_outline_blank' }}</span> <span class="pl-1">{{ $strings.LabelUseAdvancedOptions }}</span>
         </button>
 
-        <div class="flex-grow" />
+        <div class="grow" />
 
-        <ui-btn v-if="!isTaskFinished && processing" color="error" :loading="isCancelingEncode" class="mr-2" @click.stop="cancelEncodeClick">{{ $strings.ButtonCancelEncode }}</ui-btn>
-        <ui-btn v-if="!isTaskFinished" color="primary" :loading="processing" :progress="progress" @click.stop="encodeM4bClick">{{ $strings.ButtonStartM4BEncode }}</ui-btn>
+        <ui-btn v-if="!isTaskFinished && processing" color="bg-error" :loading="isCancelingEncode" class="mr-2" @click.stop="cancelEncodeClick">{{ $strings.ButtonCancelEncode }}</ui-btn>
+        <ui-btn v-if="!isTaskFinished" color="bg-primary" :loading="processing" :progress="progress" @click.stop="encodeM4bClick">{{ $strings.ButtonStartM4BEncode }}</ui-btn>
         <p v-else-if="taskFailed" class="text-error text-lg font-semibold">{{ $strings.MessageM4BFailed }} {{ taskError }}</p>
         <p v-else class="text-success text-lg font-semibold">{{ $strings.MessageM4BFinished }}</p>
       </div>
@@ -142,17 +142,17 @@
 
     <div class="w-full max-w-4xl mx-auto">
       <p class="mb-2 font-semibold">{{ $strings.HeaderAudioTracks }}</p>
-      <div class="w-full mx-auto border border-white border-opacity-10 bg-bg">
-        <div class="flex py-2 px-4 bg-primary bg-opacity-25">
+      <div class="w-full mx-auto border border-white/10 bg-bg">
+        <div class="flex py-2 px-4 bg-primary/25">
           <div class="w-10 text-xs font-semibold text-gray-200">#</div>
-          <div class="flex-grow text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelFilename }}</div>
+          <div class="grow text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelFilename }}</div>
           <div class="w-16 text-xs font-semibold uppercase text-gray-200">{{ $strings.LabelSize }}</div>
           <div class="w-24"></div>
         </div>
         <template v-for="file in audioFiles">
-          <div :key="file.index" class="flex py-2 px-4 text-sm" :class="file.index % 2 === 0 ? 'bg-primary bg-opacity-25' : ''">
+          <div :key="file.index" class="flex py-2 px-4 text-sm" :class="file.index % 2 === 0 ? 'bg-primary/25' : ''">
             <div class="w-10">{{ file.index }}</div>
-            <div class="flex-grow">
+            <div class="grow">
               {{ file.metadata.filename }}
             </div>
             <div class="w-16 font-mono text-gray-200">
diff --git a/client/pages/author/_id.vue b/client/pages/author/_id.vue
index 950312ab..11b940ac 100644
--- a/client/pages/author/_id.vue
+++ b/client/pages/author/_id.vue
@@ -4,10 +4,10 @@
       <div class="flex flex-wrap sm:flex-nowrap justify-center mb-6">
         <div class="w-48 min-w-48">
           <div class="w-full h-60">
-            <covers-author-image :author="author" rounded="0" />
+            <covers-author-image :author="author" rounded-sm="0" />
           </div>
         </div>
-        <div class="flex-grow py-4 sm:py-0 px-4 md:px-8">
+        <div class="grow py-4 sm:py-0 px-4 md:px-8">
           <div class="flex items-center mb-8">
             <h1 class="text-2xl">{{ author.name }}</h1>
 
@@ -16,7 +16,7 @@
             </button>
           </div>
 
-          <p v-if="author.description" class="text-white text-opacity-60 uppercase text-xs mb-2">{{ $strings.LabelDescription }}</p>
+          <p v-if="author.description" class="text-white/60 uppercase text-xs mb-2">{{ $strings.LabelDescription }}</p>
           <p ref="description" id="author-description" class="text-white max-w-3xl text-base whitespace-pre-wrap" :class="{ 'show-full': showFullDescription }">{{ author.description }}</p>
           <button v-if="isDescriptionClamped" class="py-0.5 flex items-center text-slate-300 hover:text-white" @click="showFullDescription = !showFullDescription">
             {{ showFullDescription ? $strings.ButtonReadLess : $strings.ButtonReadMore }} <span class="material-symbols text-xl pl-1">{{ showFullDescription ? 'expand_less' : 'expand_more' }}</span>
@@ -37,7 +37,7 @@
           <nuxt-link :to="`/library/${currentLibraryId}/series/${series.id}`" class="hover:underline">
             <h2 class="text-lg">{{ series.name }}</h2>
           </nuxt-link>
-          <p class="text-white text-opacity-40 text-base px-2">{{ $strings.LabelSeries }}</p>
+          <p class="text-white/40 text-base px-2">{{ $strings.LabelSeries }}</p>
         </widgets-item-slider>
       </div>
     </div>
diff --git a/client/pages/batch/index.vue b/client/pages/batch/index.vue
index 9bad9ca5..2ff98a28 100644
--- a/client/pages/batch/index.vue
+++ b/client/pages/batch/index.vue
@@ -1,12 +1,12 @@
 <template>
   <div ref="page" id="page-wrapper" class="page px-6 pt-6 pb-52 overflow-y-auto" :class="streamLibraryItem ? 'streaming' : ''">
-    <div class="border border-white border-opacity-10 max-w-7xl mx-auto mb-10 mt-5">
+    <div class="border border-white/10 max-w-7xl mx-auto mb-10 mt-5">
       <div class="flex items-center px-4 py-4 cursor-pointer" @click="openMapOptions = !openMapOptions" @mousedown.prevent @mouseup.prevent>
         <span class="material-symbols text-2xl">{{ openMapOptions ? 'expand_less' : 'expand_more' }}</span>
 
         <p class="ml-4 text-gray-200 text-lg">{{ $strings.HeaderMapDetails }}</p>
 
-        <div class="flex-grow" />
+        <div class="grow" />
 
         <div class="w-64 flex">
           <button class="w-32 h-8 rounded-l-md shadow-md border border-gray-600" :class="!isMapOverwrite ? 'bg-bg text-white/30' : 'bg-primary'" @click.stop.prevent="mapDetailsType = 'overwrite'">
@@ -91,8 +91,8 @@
               <ui-tooltip direction="bottom" :text="$strings.MessageBatchEditPopulateMapDetailsAllHelp">
                 <ui-btn small :disabled="!hasSelectedBatchUsage" @click.stop="populateFromExisting()">{{ $strings.ButtonBatchEditPopulateFromExisting }}</ui-btn>
               </ui-tooltip>
-              <div class="flex-grow" />
-              <ui-btn color="success" :disabled="!hasSelectedBatchUsage" :padding-x="8" small class="text-base" :loading="isProcessing" @click="mapBatchDetails">{{ $strings.ButtonApply }}</ui-btn>
+              <div class="grow" />
+              <ui-btn color="bg-success" :disabled="!hasSelectedBatchUsage" :padding-x="8" small class="text-base" :loading="isProcessing" @click="mapBatchDetails">{{ $strings.ButtonApply }}</ui-btn>
             </div>
           </div>
         </transition>
@@ -112,13 +112,13 @@
         </div>
       </template>
     </div>
-    <div v-show="isProcessing" class="fixed top-0 left-0 z-50 w-full h-full flex items-center justify-center bg-black bg-opacity-60">
+    <div v-show="isProcessing" class="fixed top-0 left-0 z-50 w-full h-full flex items-center justify-center bg-black/60">
       <ui-loading-indicator />
     </div>
 
     <div :class="isScrollable ? 'fixed left-0 box-shadow-lg-up bg-primary' : ''" class="w-full h-20 px-4 flex items-center border-t border-bg z-40" :style="{ bottom: streamLibraryItem ? '165px' : '0px' }">
-      <div class="flex-grow" />
-      <ui-btn color="success" :padding-x="8" class="text-lg" :loading="isProcessing" :disabled="!hasChanges" @click.prevent="saveClick">{{ $strings.ButtonSave }}</ui-btn>
+      <div class="grow" />
+      <ui-btn color="bg-success" :padding-x="8" class="text-lg" :loading="isProcessing" :disabled="!hasChanges" @click.prevent="saveClick">{{ $strings.ButtonSave }}</ui-btn>
     </div>
   </div>
 </template>
diff --git a/client/pages/collection/_id.vue b/client/pages/collection/_id.vue
index b70940c7..823675d5 100644
--- a/client/pages/collection/_id.vue
+++ b/client/pages/collection/_id.vue
@@ -7,24 +7,24 @@
             <covers-collection-cover :book-items="bookItems" :width="240" :height="120 * bookCoverAspectRatio" :book-cover-aspect-ratio="bookCoverAspectRatio" />
           </div>
         </div>
-        <div class="flex-grow px-2 py-6 md:py-0 md:px-10">
+        <div class="grow px-2 py-6 md:py-0 md:px-10">
           <div class="flex items-end flex-row flex-wrap md:flex-nowrap">
             <h1 class="text-2xl md:text-3xl font-sans w-full md:w-fit mb-4 md:mb-0">
               {{ collectionName }}
             </h1>
-            <div class="flex-grow" />
+            <div class="grow" />
 
-            <ui-btn v-if="showPlayButton" :disabled="streaming" color="success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="clickPlay">
+            <ui-btn v-if="showPlayButton" :disabled="streaming" color="bg-success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="clickPlay">
               <span v-show="!streaming" class="material-symbols fill text-2xl -ml-2 pr-1 text-white">play_arrow</span>
               {{ streaming ? $strings.ButtonPlaying : $strings.ButtonPlayAll }}
             </ui-btn>
 
             <!-- RSS feed -->
             <ui-tooltip v-if="rssFeed" :text="$strings.LabelOpenRSSFeed" direction="top">
-              <ui-icon-btn icon="rss_feed" class="mx-0.5" :bg-color="rssFeed ? 'success' : 'primary'" outlined @click="showRSSFeedModal" />
+              <ui-icon-btn icon="rss_feed" class="mx-0.5" :bg-color="rssFeed ? 'bg-success' : 'bg-primary'" outlined @click="showRSSFeedModal" />
             </ui-tooltip>
 
-            <button type="button" class="h-9 w-9 flex items-center justify-center shadow-sm pl-3 pr-3 text-left focus:outline-none cursor-pointer text-gray-100 hover:text-gray-200 rounded-full hover:bg-white/5 mx-px" @click.stop.prevent="editClick">
+            <button type="button" class="h-9 w-9 flex items-center justify-center shadow-xs pl-3 pr-3 text-left focus:outline-hidden cursor-pointer text-gray-100 hover:text-gray-200 rounded-full hover:bg-white/5 mx-px" @click.stop.prevent="editClick">
               <span class="material-symbols text-xl">edit</span>
             </button>
 
@@ -39,7 +39,7 @@
         </div>
       </div>
     </div>
-    <div v-show="processing" class="absolute top-0 left-0 w-full h-full z-10 bg-black bg-opacity-40 flex items-center justify-center">
+    <div v-show="processing" class="absolute top-0 left-0 w-full h-full z-10 bg-black/40 flex items-center justify-center">
       <ui-loading-indicator />
     </div>
   </div>
diff --git a/client/pages/config.vue b/client/pages/config.vue
index 4492bbfd..5fa145e5 100644
--- a/client/pages/config.vue
+++ b/client/pages/config.vue
@@ -2,7 +2,7 @@
   <div id="page-wrapper" class="page p-2 md:p-6 overflow-y-auto relative" :class="streamLibraryItem ? 'streaming' : ''">
     <app-config-side-nav :is-open.sync="sideDrawerOpen" />
     <div class="configContent" :class="`page-${currentPage}`">
-      <div v-show="isMobilePortrait" class="w-full pb-4 px-2 flex border-b border-white border-opacity-10 mb-2 cursor-pointer" @click.stop.prevent="toggleShowMore">
+      <div v-show="isMobilePortrait" class="w-full pb-4 px-2 flex border-b border-white/10 mb-2 cursor-pointer" @click.stop.prevent="toggleShowMore">
         <span class="material-symbols text-2xl cursor-pointer">arrow_forward</span>
         <p class="pl-3 capitalize">{{ currentPage }}</p>
       </div>
diff --git a/client/pages/config/authentication.vue b/client/pages/config/authentication.vue
index ba4df4c3..d15ab0ce 100644
--- a/client/pages/config/authentication.vue
+++ b/client/pages/config/authentication.vue
@@ -33,7 +33,7 @@
         <transition name="slide">
           <div v-if="enableOpenIDAuth" class="flex flex-wrap pt-4">
             <div class="w-full flex items-center mb-2">
-              <div class="flex-grow">
+              <div class="grow">
                 <ui-text-input-with-label ref="issuerUrl" v-model="newAuthSettings.authOpenIDIssuerURL" :disabled="savingSettings" :label="'Issuer URL'" />
               </div>
               <div class="w-36 mx-1 mt-[1.375rem]">
@@ -123,7 +123,7 @@
         </transition>
       </div>
       <div class="w-full flex items-center justify-end p-4">
-        <ui-btn color="success" :padding-x="8" small class="text-base" :loading="savingSettings" @click="saveSettings">{{ $strings.ButtonSave }}</ui-btn>
+        <ui-btn color="bg-success" :padding-x="8" small class="text-base" :loading="savingSettings" @click="saveSettings">{{ $strings.ButtonSave }}</ui-btn>
       </div>
     </app-settings-content>
   </div>
diff --git a/client/pages/config/backups.vue b/client/pages/config/backups.vue
index 98406434..ae8c1a91 100644
--- a/client/pages/config/backups.vue
+++ b/client/pages/config/backups.vue
@@ -4,7 +4,7 @@
       <div v-if="backupLocation" class="mb-4 max-w-full overflow-hidden">
         <div class="flex items-center mb-0.5">
           <span class="material-symbols text-2xl text-black-50 mr-2">folder</span>
-          <span class="text-white text-opacity-60 uppercase text-sm whitespace-nowrap">{{ $strings.LabelBackupLocation }}:</span>
+          <span class="text-white/60 uppercase text-sm whitespace-nowrap">{{ $strings.LabelBackupLocation }}:</span>
         </div>
         <div v-if="!showEditBackupPath" class="inline-flex items-center w-full overflow-hidden">
           <p class="text-gray-100 max-w-[calc(100%-40px)] text-sm sm:text-base break-words">{{ backupLocation }}</p>
@@ -17,7 +17,7 @@
         <div v-else>
           <form class="flex items-center w-full space-x-1" @submit.prevent="saveBackupPath">
             <ui-text-input v-model="newBackupLocation" :disabled="savingBackupPath || !canEditBackup" class="w-full max-w-[calc(100%-50px)] text-sm h-8" />
-            <ui-btn v-if="canEditBackup" small :loading="savingBackupPath" color="success" type="submit" class="h-8">{{ $strings.ButtonSave }}</ui-btn>
+            <ui-btn v-if="canEditBackup" small :loading="savingBackupPath" color="bg-success" type="submit" class="h-8">{{ $strings.ButtonSave }}</ui-btn>
             <ui-btn small :disabled="savingBackupPath" type="button" class="h-8" @click="cancelEditBackupPath">{{ $strings.ButtonCancel }}</ui-btn>
           </form>
           <p class="text-sm text-warning/80 pt-1">{{ canEditBackup ? $strings.MessageBackupsLocationEditNote : $strings.MessageBackupsLocationNoEditNote }}</p>
@@ -35,7 +35,7 @@
         <div class="flex items-center pl-0 sm:pl-6 mb-2">
           <span class="material-symbols text-xl sm:text-2xl text-black-50 mr-2">schedule</span>
           <div class="w-32 min-w-32 sm:w-40 sm:min-w-40">
-            <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.HeaderSchedule }}:</span>
+            <span class="text-white/60 uppercase text-sm">{{ $strings.HeaderSchedule }}:</span>
           </div>
           <div class="text-gray-100 text-sm sm:text-base">{{ scheduleDescription }}</div>
           <button class="ml-2 text-black-50 hover:text-yellow-500 inline-flex" type="button" @click="showCronBuilder = !showCronBuilder">
@@ -46,7 +46,7 @@
         <div v-if="nextBackupDate" class="flex items-center pl-0 sm:pl-6 py-0.5">
           <span class="material-symbols text-xl sm:text-2xl text-black-50 mr-2">event</span>
           <div class="w-32 min-w-32 sm:w-40 sm:min-w-40">
-            <span class="text-white text-opacity-60 uppercase text-sm">{{ $strings.LabelNextBackupDate }}:</span>
+            <span class="text-white/60 uppercase text-sm">{{ $strings.LabelNextBackupDate }}:</span>
           </div>
           <div class="text-gray-100 text-sm sm:text-base">{{ nextBackupDate }}</div>
         </div>
diff --git a/client/pages/config/email.vue b/client/pages/config/email.vue
index e5fd03ba..33fbdd32 100644
--- a/client/pages/config/email.vue
+++ b/client/pages/config/email.vue
@@ -71,16 +71,16 @@
         </div>
       </form>
 
-      <div v-show="loading" class="absolute top-0 left-0 w-full h-full bg-black bg-opacity-25 flex items-center justify-center">
+      <div v-show="loading" class="absolute top-0 left-0 w-full h-full bg-black/25 flex items-center justify-center">
         <ui-loading-indicator />
       </div>
     </app-settings-content>
 
     <app-settings-content :header-text="$strings.HeaderEreaderDevices" :description="$strings.MessageEreaderDevices">
       <template #header-items>
-        <div class="flex-grow" />
+        <div class="grow" />
 
-        <ui-btn color="primary" small @click="addNewDeviceClick">{{ $strings.ButtonAddDevice }}</ui-btn>
+        <ui-btn color="bg-primary" small @click="addNewDeviceClick">{{ $strings.ButtonAddDevice }}</ui-btn>
       </template>
 
       <table v-if="existingEReaderDevices.length" class="tracksTable mt-4">
diff --git a/client/pages/config/index.vue b/client/pages/config/index.vue
index 1fd7e8f0..7083c789 100644
--- a/client/pages/config/index.vue
+++ b/client/pages/config/index.vue
@@ -38,7 +38,7 @@
           <div v-if="newServerSettings.sortingIgnorePrefix" class="w-72 ml-14 mb-2">
             <ui-multi-select v-model="newServerSettings.sortingPrefixes" small :items="newServerSettings.sortingPrefixes" :label="$strings.LabelPrefixesToIgnore" @input="sortingPrefixesUpdated" :disabled="savingPrefixes" />
             <div class="flex justify-end py-1">
-              <ui-btn v-if="hasPrefixesChanged" color="success" :loading="savingPrefixes" small @click="updateSortingPrefixes">Save</ui-btn>
+              <ui-btn v-if="hasPrefixesChanged" color="bg-success" :loading="savingPrefixes" small @click="updateSortingPrefixes">Save</ui-btn>
             </div>
           </div>
 
@@ -64,7 +64,7 @@
                 <span class="material-symbols icon-text">info</span>
               </p>
             </ui-tooltip>
-            <div class="flex-grow" />
+            <div class="grow" />
           </div>
           <div v-if="newServerSettings.scannerFindCovers" class="w-44 ml-14 mb-2">
             <ui-dropdown v-model="newServerSettings.scannerCoverProvider" small :items="providers" :label="$strings.LabelCoverProvider" @input="updateScannerCoverProvider" :disabled="updatingServerSettings" />
@@ -130,14 +130,14 @@
             </ui-tooltip>
           </div>
 
-          <div class="flex-grow py-2">
+          <div class="grow py-2">
             <ui-dropdown :label="$strings.LabelSettingsDateFormat" v-model="newServerSettings.dateFormat" :items="dateFormats" small class="max-w-52" @input="(val) => updateSettingsKey('dateFormat', val)" />
-            <p class="text-xs ml-1 text-white text-opacity-60">{{ $strings.LabelExample }}: {{ dateExample }}</p>
+            <p class="text-xs ml-1 text-white/60">{{ $strings.LabelExample }}: {{ dateExample }}</p>
           </div>
 
-          <div class="flex-grow py-2">
+          <div class="grow py-2">
             <ui-dropdown :label="$strings.LabelSettingsTimeFormat" v-model="newServerSettings.timeFormat" :items="timeFormats" small class="max-w-52" @input="(val) => updateSettingsKey('timeFormat', val)" />
-            <p class="text-xs ml-1 text-white text-opacity-60">{{ $strings.LabelExample }}: {{ timeExample }}</p>
+            <p class="text-xs ml-1 text-white/60">{{ $strings.LabelExample }}: {{ timeExample }}</p>
           </div>
 
           <div class="py-2">
@@ -164,16 +164,16 @@
       </div>
     </app-settings-content>
 
-    <div class="h-0.5 bg-primary bg-opacity-30 w-full" />
+    <div class="h-0.5 bg-primary/30 w-full" />
 
     <div class="flex items-center py-4">
-      <div class="flex-grow" />
-      <ui-btn color="bg" small :padding-x="4" class="mr-2 text-xs md:text-sm" :loading="isPurgingCache" @click.stop="purgeCache">{{ $strings.ButtonPurgeAllCache }}</ui-btn>
-      <ui-btn color="bg" small :padding-x="4" class="mr-2 text-xs md:text-sm" :loading="isPurgingCache" @click.stop="purgeItemsCache">{{ $strings.ButtonPurgeItemsCache }}</ui-btn>
+      <div class="grow" />
+      <ui-btn color="bg-bg" small :padding-x="4" class="mr-2 text-xs md:text-sm" :loading="isPurgingCache" @click.stop="purgeCache">{{ $strings.ButtonPurgeAllCache }}</ui-btn>
+      <ui-btn color="bg-bg" small :padding-x="4" class="mr-2 text-xs md:text-sm" :loading="isPurgingCache" @click.stop="purgeItemsCache">{{ $strings.ButtonPurgeItemsCache }}</ui-btn>
     </div>
 
     <div class="flex items-center py-4">
-      <div class="flex-grow" />
+      <div class="grow" />
       <p class="pr-2 text-sm text-yellow-400">
         {{ $strings.MessageReportBugsAndContribute }}
         <a class="underline" href="https://github.com/advplyr/audiobookshelf" target="_blank">github</a>
@@ -206,7 +206,7 @@
       </a>
     </div>
 
-    <div class="h-0.5 bg-primary bg-opacity-30 w-full" />
+    <div class="h-0.5 bg-primary/30 w-full" />
 
     <!-- confirm cache purge dialog -->
     <prompt-dialog v-model="showConfirmPurgeCache" :width="675">
@@ -214,9 +214,9 @@
         <p class="text-error font-semibold">{{ $strings.MessageImportantNotice }}</p>
         <p class="my-8 text-center" v-html="$strings.MessageConfirmPurgeCache" />
         <div class="flex px-1 items-center">
-          <ui-btn color="primary" @click="showConfirmPurgeCache = false">{{ $strings.ButtonNevermind }}</ui-btn>
-          <div class="flex-grow" />
-          <ui-btn color="success" @click="confirmPurge">{{ $strings.ButtonYes }}</ui-btn>
+          <ui-btn color="bg-primary" @click="showConfirmPurgeCache = false">{{ $strings.ButtonNevermind }}</ui-btn>
+          <div class="grow" />
+          <ui-btn color="bg-success" @click="confirmPurge">{{ $strings.ButtonYes }}</ui-btn>
         </div>
       </div>
     </prompt-dialog>
diff --git a/client/pages/config/item-metadata-utils/custom-metadata-providers.vue b/client/pages/config/item-metadata-utils/custom-metadata-providers.vue
index 3e13de10..82de604a 100644
--- a/client/pages/config/item-metadata-utils/custom-metadata-providers.vue
+++ b/client/pages/config/item-metadata-utils/custom-metadata-providers.vue
@@ -2,7 +2,7 @@
   <div class="relative">
     <app-settings-content :header-text="$strings.HeaderCustomMetadataProviders">
       <template #header-prefix>
-        <nuxt-link to="/config/item-metadata-utils" class="w-8 h-8 flex items-center justify-center rounded-full cursor-pointer hover:bg-white hover:bg-opacity-10 text-center mr-2">
+        <nuxt-link to="/config/item-metadata-utils" class="w-8 h-8 flex items-center justify-center rounded-full cursor-pointer hover:bg-white/10 text-center mr-2">
           <span class="material-symbols text-2xl">arrow_back</span>
         </nuxt-link>
       </template>
@@ -12,9 +12,9 @@
             <span class="material-symbols text-xl w-5 text-gray-200">help_outline</span>
           </a>
         </ui-tooltip>
-        <div class="flex-grow" />
+        <div class="grow" />
 
-        <ui-btn color="primary" small @click="setShowAddModal">{{ $strings.ButtonAdd }}</ui-btn>
+        <ui-btn color="bg-primary" small @click="setShowAddModal">{{ $strings.ButtonAdd }}</ui-btn>
       </template>
 
       <tables-custom-metadata-provider-table :providers="providers" :processing.sync="processing" class="pt-2" @removed="providerRemoved" />
diff --git a/client/pages/config/item-metadata-utils/genres.vue b/client/pages/config/item-metadata-utils/genres.vue
index e041244c..87e14bbd 100644
--- a/client/pages/config/item-metadata-utils/genres.vue
+++ b/client/pages/config/item-metadata-utils/genres.vue
@@ -1,7 +1,7 @@
 <template>
-  <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-4 mb-8 relative" style="min-height: 200px">
+  <div class="bg-bg rounded-md shadow-lg border border-white/5 p-4 mb-8 relative" style="min-height: 200px">
     <div class="flex items-center mb-4">
-      <nuxt-link to="/config/item-metadata-utils" class="w-8 h-8 flex items-center justify-center rounded-full cursor-pointer hover:bg-white hover:bg-opacity-10 text-center">
+      <nuxt-link to="/config/item-metadata-utils" class="w-8 h-8 flex items-center justify-center rounded-full cursor-pointer hover:bg-white/10 text-center">
         <span class="material-symbols text-2xl">arrow_back</span>
       </nuxt-link>
 
@@ -15,13 +15,13 @@
         <div :key="genre" class="w-full p-2 flex items-center text-gray-400 hover:text-white" :class="{ 'bg-primary/20': index % 2 === 0 }">
           <p v-if="editingGenre !== genre" class="text-sm md:text-base text-gray-100">{{ genre }}</p>
           <ui-text-input v-else v-model="newGenreName" />
-          <div class="flex-grow" />
+          <div class="grow" />
           <template v-if="editingGenre !== genre">
             <ui-icon-btn v-if="editingGenre !== genre" icon="edit" borderless :size="8" icon-font-size="1.1rem" class="mx-1" @click="editClick(genre)" />
             <ui-icon-btn v-if="editingGenre !== genre" icon="delete" borderless :size="8" icon-font-size="1.1rem" @click="removeClick(genre)" />
           </template>
           <template v-else>
-            <ui-btn color="success" small class="mx-2" @click.stop="saveClick">{{ $strings.ButtonSave }}</ui-btn>
+            <ui-btn color="bg-success" small class="mx-2" @click.stop="saveClick">{{ $strings.ButtonSave }}</ui-btn>
             <ui-btn small @click.stop="cancelEditClick">{{ $strings.ButtonCancel }}</ui-btn>
           </template>
         </div>
diff --git a/client/pages/config/item-metadata-utils/index.vue b/client/pages/config/item-metadata-utils/index.vue
index a7366ddb..c7dab27a 100644
--- a/client/pages/config/item-metadata-utils/index.vue
+++ b/client/pages/config/item-metadata-utils/index.vue
@@ -1,19 +1,19 @@
 <template>
   <div>
     <app-settings-content :header-text="$strings.HeaderItemMetadataUtils">
-      <nuxt-link to="/config/item-metadata-utils/tags" class="block w-full rounded bg-primary/40 hover:bg-primary/60 text-gray-300 hover:text-white p-4 mt-6 mb-2">
+      <nuxt-link to="/config/item-metadata-utils/tags" class="block w-full rounded-sm bg-primary/40 hover:bg-primary/60 text-gray-300 hover:text-white p-4 mt-6 mb-2">
         <div class="flex justify-between">
           <p>{{ $strings.HeaderManageTags }}</p>
           <span class="material-symbols">arrow_forward</span>
         </div>
       </nuxt-link>
-      <nuxt-link to="/config/item-metadata-utils/genres" class="block w-full rounded bg-primary/40 hover:bg-primary/60 text-gray-300 hover:text-white p-4 my-2">
+      <nuxt-link to="/config/item-metadata-utils/genres" class="block w-full rounded-sm bg-primary/40 hover:bg-primary/60 text-gray-300 hover:text-white p-4 my-2">
         <div class="flex justify-between">
           <p>{{ $strings.HeaderManageGenres }}</p>
           <span class="material-symbols">arrow_forward</span>
         </div>
       </nuxt-link>
-      <nuxt-link to="/config/item-metadata-utils/custom-metadata-providers" class="block w-full rounded bg-primary/40 hover:bg-primary/60 text-gray-300 hover:text-white p-4 my-2">
+      <nuxt-link to="/config/item-metadata-utils/custom-metadata-providers" class="block w-full rounded-sm bg-primary/40 hover:bg-primary/60 text-gray-300 hover:text-white p-4 my-2">
         <div class="flex justify-between">
           <p>{{ $strings.HeaderCustomMetadataProviders }}</p>
           <span class="material-symbols">arrow_forward</span>
diff --git a/client/pages/config/item-metadata-utils/tags.vue b/client/pages/config/item-metadata-utils/tags.vue
index 0e14f97c..2fe5c0f1 100644
--- a/client/pages/config/item-metadata-utils/tags.vue
+++ b/client/pages/config/item-metadata-utils/tags.vue
@@ -1,7 +1,7 @@
 <template>
-  <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-4 mb-8 relative" style="min-height: 200px">
+  <div class="bg-bg rounded-md shadow-lg border border-white/5 p-4 mb-8 relative" style="min-height: 200px">
     <div class="flex items-center mb-4">
-      <nuxt-link to="/config/item-metadata-utils" class="w-8 h-8 flex items-center justify-center rounded-full cursor-pointer hover:bg-white hover:bg-opacity-10 text-center">
+      <nuxt-link to="/config/item-metadata-utils" class="w-8 h-8 flex items-center justify-center rounded-full cursor-pointer hover:bg-white/10 text-center">
         <span class="material-symbols text-2xl">arrow_back</span>
       </nuxt-link>
 
@@ -15,13 +15,13 @@
         <div :key="tag" class="w-full p-2 flex items-center text-gray-400 hover:text-white" :class="{ 'bg-primary/20': index % 2 === 0 }">
           <p v-if="editingTag !== tag" class="text-sm md:text-base text-gray-100">{{ tag }}</p>
           <ui-text-input v-else v-model="newTagName" />
-          <div class="flex-grow" />
+          <div class="grow" />
           <template v-if="editingTag !== tag">
             <ui-icon-btn icon="edit" borderless :size="8" icon-font-size="1.1rem" class="mx-1" @click="editTagClick(tag)" />
             <ui-icon-btn icon="delete" borderless :size="8" icon-font-size="1.1rem" @click="removeTagClick(tag)" />
           </template>
           <template v-else>
-            <ui-btn color="success" small class="mx-2" @click.stop="saveTagClick">{{ $strings.ButtonSave }}</ui-btn>
+            <ui-btn color="bg-success" small class="mx-2" @click.stop="saveTagClick">{{ $strings.ButtonSave }}</ui-btn>
             <ui-btn small @click.stop="cancelEditClick">{{ $strings.ButtonCancel }}</ui-btn>
           </template>
         </div>
diff --git a/client/pages/config/libraries.vue b/client/pages/config/libraries.vue
index d625c2b4..efb9c49c 100644
--- a/client/pages/config/libraries.vue
+++ b/client/pages/config/libraries.vue
@@ -8,9 +8,9 @@
           </a>
         </ui-tooltip>
 
-        <div class="flex-grow" />
+        <div class="grow" />
 
-        <ui-btn color="primary" small @click="setShowLibraryModal()">{{ $strings.ButtonAddLibrary }}</ui-btn>
+        <ui-btn color="bg-primary" small @click="setShowLibraryModal()">{{ $strings.ButtonAddLibrary }}</ui-btn>
       </template>
       <tables-library-libraries-table @showLibraryModal="setShowLibraryModal" class="pt-2" />
     </app-settings-content>
@@ -40,4 +40,4 @@ export default {
   },
   mounted() {}
 }
-</script>
\ No newline at end of file
+</script>
diff --git a/client/pages/config/log.vue b/client/pages/config/log.vue
index 4015a9f6..8fef304e 100644
--- a/client/pages/config/log.vue
+++ b/client/pages/config/log.vue
@@ -18,9 +18,9 @@
       <div class="relative">
         <div ref="container" id="log-container" class="relative w-full h-full bg-primary border-bg overflow-x-hidden overflow-y-auto text-red shadow-inner rounded-md" style="min-height: 550px">
           <template v-for="(log, index) in logs">
-            <div :key="index" class="flex flex-nowrap px-2 py-1 items-start text-sm bg-opacity-10" :class="`bg-${logColors[log.level]}`">
+            <div :key="index" class="flex flex-nowrap px-2 py-1 items-start text-sm" :class="`${bgColors[log.level]}`">
               <p class="text-gray-400 w-36 font-mono text-xs">{{ log.timestamp }}</p>
-              <p class="font-semibold w-12 text-right text-sm" :class="`text-${logColors[log.level]}`">{{ log.levelName }}</p>
+              <p class="font-semibold w-12 text-right text-sm" :class="`${textColors[log.level]}`">{{ log.levelName }}</p>
               <p class="px-4 logmessage">{{ log.message }}</p>
             </div>
           </template>
@@ -47,7 +47,8 @@ export default {
       searchTimeout: null,
       searchText: null,
       newServerSettings: {},
-      logColors: ['yellow-200', 'gray-400', 'info', 'warning', 'error', 'red-800', 'blue-400'],
+      textColors: ['text-yellow-200', 'text-gray-400', 'text-info', 'text-warning', 'text-error', 'text-red-800', 'text-blue-400'],
+      bgColors: ['bg-yellow-200/10', 'bg-gray-400/10', 'bg-info/10', 'bg-warning/10', 'bg-error/10', 'bg-red-800/10', 'bg-blue-400/10'],
       loadedLogs: []
     }
   },
diff --git a/client/pages/config/notifications.vue b/client/pages/config/notifications.vue
index a43a9aed..46174773 100644
--- a/client/pages/config/notifications.vue
+++ b/client/pages/config/notifications.vue
@@ -25,11 +25,11 @@
         </div>
       </form>
 
-      <div class="w-full h-px bg-white bg-opacity-10 my-6" />
+      <div class="w-full h-px bg-white/10 my-6" />
 
       <div class="flex items-center justify-between mb-6">
         <h2 class="text-xl font-semibold">{{ $strings.HeaderNotifications }}</h2>
-        <ui-btn small color="success" class="flex items-center" @click="clickCreate">{{ $strings.ButtonCreate }} <span class="material-symbols text-lg pl-2">add</span></ui-btn>
+        <ui-btn small color="bg-success" class="flex items-center" @click="clickCreate">{{ $strings.ButtonCreate }} <span class="material-symbols text-lg pl-2">add</span></ui-btn>
       </div>
 
       <div v-if="!notifications.length" class="flex justify-center text-center">
diff --git a/client/pages/config/rss-feeds.vue b/client/pages/config/rss-feeds.vue
index c3f60859..a1e059c0 100644
--- a/client/pages/config/rss-feeds.vue
+++ b/client/pages/config/rss-feeds.vue
@@ -11,14 +11,14 @@
 
       <div v-if="feeds.length" class="block max-w-full pt-2">
         <table class="rssFeedsTable text-xs">
-          <tr class="bg-primary bg-opacity-40 h-12">
+          <tr class="bg-primary/40 h-12">
             <th class="w-16 min-w-16"></th>
             <th class="w-48 max-w-64 min-w-24 text-left truncate">{{ $strings.LabelTitle }}</th>
             <th class="w-48 min-w-24 text-left hidden xl:table-cell">{{ $strings.LabelSlug }}</th>
             <th class="w-24 min-w-16 text-left hidden md:table-cell">{{ $strings.LabelType }}</th>
             <th class="w-16 min-w-16 text-center">{{ $strings.HeaderEpisodes }}</th>
             <th class="w-16 min-w-16 text-center hidden lg:table-cell">{{ $strings.LabelRSSFeedPreventIndexing }}</th>
-            <th class="w-48 min-w-24 flex-grow hidden md:table-cell">{{ $strings.LabelLastUpdate }}</th>
+            <th class="w-48 min-w-24 grow hidden md:table-cell">{{ $strings.LabelLastUpdate }}</th>
             <th class="w-16 text-left"></th>
           </tr>
 
@@ -57,7 +57,7 @@
             </td>
             <!--  -->
             <td class="text-center">
-              <ui-icon-btn icon="delete" class="mx-0.5" :size="7" bg-color="error" outlined @click.stop="deleteFeedClick(feed)" />
+              <ui-icon-btn icon="delete" class="mx-0.5" :size="7" bg-color="bg-error" outlined @click.stop="deleteFeedClick(feed)" />
             </td>
           </tr>
         </table>
diff --git a/client/pages/config/sessions.vue b/client/pages/config/sessions.vue
index 38b59b9e..0b1bdaa7 100644
--- a/client/pages/config/sessions.vue
+++ b/client/pages/config/sessions.vue
@@ -7,18 +7,18 @@
 
       <div v-if="listeningSessions.length" class="block max-w-full relative">
         <table class="userSessionsTable">
-          <tr class="bg-primary bg-opacity-40">
+          <tr class="bg-primary/40">
             <th class="w-6 min-w-6 text-left hidden md:table-cell h-11">
               <ui-checkbox v-model="isAllSelected" :partial="numSelected > 0 && !isAllSelected" small checkbox-bg="bg" />
             </th>
-            <th v-if="numSelected" class="flex-grow text-left" :colspan="7">
+            <th v-if="numSelected" class="grow text-left" :colspan="7">
               <div class="flex items-center">
                 <p>{{ $getString('MessageSelected', [numSelected]) }}</p>
-                <div class="flex-grow" />
-                <ui-btn small color="error" :loading="deletingSessions" @click.stop="removeSessionsClick">{{ $strings.ButtonRemove }}</ui-btn>
+                <div class="grow" />
+                <ui-btn small color="bg-error" :loading="deletingSessions" @click.stop="removeSessionsClick">{{ $strings.ButtonRemove }}</ui-btn>
               </div>
             </th>
-            <th v-if="!numSelected" class="flex-grow sm:flex-grow-0 sm:w-48 sm:max-w-48 text-left group cursor-pointer" @click.stop="sortColumn('displayTitle')">
+            <th v-if="!numSelected" class="grow sm:grow-0 sm:w-48 sm:max-w-48 text-left group cursor-pointer" @click.stop="sortColumn('displayTitle')">
               <div class="inline-flex items-center">
                 {{ $strings.LabelItem }} <span :class="{ 'opacity-0 group-hover:opacity-30': !isSortSelected('displayTitle') }" class="material-symbols text-base pl-px">{{ sortDesc ? 'arrow_drop_down' : 'arrow_drop_up' }}</span>
               </div>
@@ -40,7 +40,7 @@
                 {{ $strings.LabelLastTime }} <span :class="{ 'opacity-0 group-hover:opacity-30': !isSortSelected('currentTime') }" class="material-symbols text-base pl-px hidden sm:inline-block">{{ sortDesc ? 'arrow_drop_down' : 'arrow_drop_up' }}</span>
               </div>
             </th>
-            <th v-if="!numSelected" class="flex-grow hidden sm:table-cell cursor-pointer group" @click.stop="sortColumn('updatedAt')">
+            <th v-if="!numSelected" class="grow hidden sm:table-cell cursor-pointer group" @click.stop="sortColumn('updatedAt')">
               <div class="inline-flex items-center">
                 {{ $strings.LabelLastUpdate }} <span :class="{ 'opacity-0 group-hover:opacity-30': !isSortSelected('updatedAt') }" class="material-symbols text-base pl-px">{{ sortDesc ? 'arrow_drop_down' : 'arrow_drop_up' }}</span>
               </div>
@@ -53,7 +53,7 @@
               <!-- overlay of the checkbox so that the entire box is clickable -->
               <div class="absolute inset-0 w-full h-full" @click.stop="session.selected = !session.selected" />
             </td>
-            <td class="py-1 flex-grow sm:flex-grow-0 sm:w-48 sm:max-w-48">
+            <td class="py-1 grow sm:grow-0 sm:w-48 sm:max-w-48">
               <p class="text-xs text-gray-200 truncate">{{ session.displayTitle }}</p>
               <p class="text-xs text-gray-400 truncate">{{ session.displayAuthor }}</p>
             </td>
@@ -82,7 +82,7 @@
         </table>
         <!-- table bottom options -->
         <div class="flex items-center my-2">
-          <div class="flex-grow" />
+          <div class="grow" />
           <div class="hidden sm:inline-flex items-center">
             <p class="text-sm whitespace-nowrap">{{ $strings.LabelRowsPerPage }}</p>
             <ui-dropdown v-model="itemsPerPage" :items="itemsPerPageOptions" small class="w-24 mx-2" @input="updatedItemsPerPage" />
@@ -98,7 +98,7 @@
           <ui-loading-indicator />
         </div>
       </div>
-      <p v-else class="text-white text-opacity-50">{{ $strings.MessageNoListeningSessions }}</p>
+      <p v-else class="text-white/50">{{ $strings.MessageNoListeningSessions }}</p>
 
       <div v-if="openListeningSessions.length" class="w-full my-8 h-px bg-white/10" />
 
@@ -106,14 +106,14 @@
       <p v-if="openListeningSessions.length" class="text-lg my-4">{{ $strings.HeaderOpenListeningSessions }}</p>
       <div v-if="openListeningSessions.length" class="block max-w-full">
         <table class="userSessionsTable">
-          <tr class="bg-primary bg-opacity-40">
+          <tr class="bg-primary/40">
             <th class="w-48 min-w-48 text-left">{{ $strings.LabelItem }}</th>
             <th class="w-20 min-w-20 text-left hidden md:table-cell">{{ $strings.LabelUser }}</th>
             <th class="w-32 min-w-32 text-left hidden md:table-cell">{{ $strings.LabelPlayMethod }}</th>
             <th class="w-32 min-w-32 text-left hidden sm:table-cell">{{ $strings.LabelDeviceInfo }}</th>
             <th class="w-32 min-w-32">{{ $strings.LabelTimeListened }}</th>
             <th class="w-16 min-w-16">{{ $strings.LabelLastTime }}</th>
-            <th class="flex-grow hidden sm:table-cell">{{ $strings.LabelLastUpdate }}</th>
+            <th class="grow hidden sm:table-cell">{{ $strings.LabelLastUpdate }}</th>
           </tr>
 
           <tr v-for="session in openListeningSessions" :key="`open-${session.id}`" class="cursor-pointer" @click="showSession(session)">
@@ -151,13 +151,13 @@
       <p v-if="openShareListeningSessions.length" class="text-lg my-4">Open Share Listening Sessions</p>
       <div v-if="openShareListeningSessions.length" class="block max-w-full">
         <table class="userSessionsTable">
-          <tr class="bg-primary bg-opacity-40">
+          <tr class="bg-primary/40">
             <th class="w-48 min-w-48 text-left">{{ $strings.LabelItem }}</th>
             <th class="w-20 min-w-20 text-left hidden md:table-cell">{{ $strings.LabelUser }}</th>
             <th class="w-32 min-w-32 text-left hidden md:table-cell">{{ $strings.LabelPlayMethod }}</th>
             <th class="w-32 min-w-32 text-left hidden sm:table-cell">{{ $strings.LabelDeviceInfo }}</th>
             <th class="w-16 min-w-16">{{ $strings.LabelLastTime }}</th>
-            <th class="flex-grow hidden sm:table-cell">{{ $strings.LabelLastUpdate }}</th>
+            <th class="grow hidden sm:table-cell">{{ $strings.LabelLastUpdate }}</th>
           </tr>
 
           <tr v-for="session in openShareListeningSessions" :key="`open-${session.id}`" class="cursor-pointer" @click="showSession(session)">
diff --git a/client/pages/config/stats.vue b/client/pages/config/stats.vue
index c4df6df9..34529188 100644
--- a/client/pages/config/stats.vue
+++ b/client/pages/config/stats.vue
@@ -3,7 +3,7 @@
     <!-- Year in review banner shown at the top in December and January -->
     <stats-year-in-review-banner v-if="showYearInReviewBanner" />
 
-    <app-settings-content :header-text="$strings.HeaderYourStats" class="!mb-4">
+    <app-settings-content :header-text="$strings.HeaderYourStats" class="mb-4!">
       <div class="flex justify-center">
         <div class="flex p-2">
           <svg class="hidden sm:block h-14 w-14 lg:h-18 lg:w-18" viewBox="0 0 24 24">
@@ -14,7 +14,7 @@
           </svg>
           <div class="px-3">
             <p class="text-4xl md:text-5xl font-bold">{{ $formatNumber(userItemsFinished.length) }}</p>
-            <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsItemsFinished }}</p>
+            <p class="text-xs md:text-sm text-white/80">{{ $strings.LabelStatsItemsFinished }}</p>
           </div>
         </div>
 
@@ -24,7 +24,7 @@
           </div>
           <div class="px-1">
             <p class="text-4xl md:text-5xl font-bold">{{ $formatNumber(totalDaysListened) }}</p>
-            <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsDaysListened }}</p>
+            <p class="text-xs md:text-sm text-white/80">{{ $strings.LabelStatsDaysListened }}</p>
           </div>
         </div>
 
@@ -34,7 +34,7 @@
           </div>
           <div class="px-1">
             <p class="text-4xl md:text-5xl font-bold">{{ $formatNumber(totalMinutesListening) }}</p>
-            <p class="text-xs md:text-sm text-white text-opacity-80">{{ $strings.LabelStatsMinutesListening }}</p>
+            <p class="text-xs md:text-sm text-white/80">{{ $strings.LabelStatsMinutesListening }}</p>
           </div>
         </div>
       </div>
@@ -43,19 +43,19 @@
         <div class="w-80 my-6 mx-auto">
           <div class="flex mb-4 items-center">
             <h1 class="text-2xl">{{ $strings.HeaderStatsRecentSessions }}</h1>
-            <div class="flex-grow" />
+            <div class="grow" />
             <ui-btn v-if="isAdminOrUp" :to="`/config/users/${user.id}/sessions`" class="text-xs" :padding-x="1.5" :padding-y="1">{{ $strings.ButtonViewAll }}</ui-btn>
           </div>
           <p v-if="!mostRecentListeningSessions.length">{{ $strings.MessageNoListeningSessions }}</p>
           <template v-for="(item, index) in mostRecentListeningSessions">
             <div :key="item.id" class="w-full py-0.5">
               <div class="flex items-center mb-1">
-                <p class="text-sm text-white text-opacity-70 w-8">{{ index + 1 }}.&nbsp;</p>
+                <p class="text-sm text-white/70 w-8">{{ index + 1 }}.&nbsp;</p>
                 <div class="w-56">
-                  <p class="text-sm text-white text-opacity-80 truncate">{{ item.mediaMetadata ? item.mediaMetadata.title : '' }}</p>
-                  <p class="text-xs text-white text-opacity-50">{{ $dateDistanceFromNow(item.updatedAt) }}</p>
+                  <p class="text-sm text-white/80 truncate">{{ item.mediaMetadata ? item.mediaMetadata.title : '' }}</p>
+                  <p class="text-xs text-white/50">{{ $dateDistanceFromNow(item.updatedAt) }}</p>
                 </div>
-                <div class="flex-grow" />
+                <div class="grow" />
                 <div class="w-18 text-right">
                   <p class="text-sm font-bold">{{ $elapsedPretty(item.timeListening) }}</p>
                 </div>
diff --git a/client/pages/config/users/_id/index.vue b/client/pages/config/users/_id/index.vue
index fbef359b..e2f8e208 100644
--- a/client/pages/config/users/_id/index.vue
+++ b/client/pages/config/users/_id/index.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="w-full h-full">
-    <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-0 sm:p-4 mb-8">
-      <nuxt-link to="/config/users" class="text-white text-opacity-70 hover:text-opacity-100 hover:bg-white hover:bg-opacity-5 cursor-pointer rounded-full px-2 sm:px-0">
+    <div class="bg-bg rounded-md shadow-lg border border-white/5 p-0 sm:p-4 mb-8">
+      <nuxt-link to="/config/users" class="text-white/70 hover:text-white/100 hover:bg-white/5 cursor-pointer rounded-full px-2 sm:px-0">
         <div class="flex items-center">
           <div class="h-10 w-10 flex items-center justify-center">
             <span class="material-symbols text-2xl">arrow_back</span>
@@ -16,9 +16,9 @@
       <div v-if="userToken" class="flex text-xs mt-4">
         <ui-text-input-with-label :label="$strings.LabelApiToken" :value="userToken" readonly show-copy />
       </div>
-      <div class="w-full h-px bg-white bg-opacity-10 my-2" />
+      <div class="w-full h-px bg-white/10 my-2" />
       <div class="py-2">
-        <h1 class="text-lg mb-2 text-white text-opacity-90 px-2 sm:px-0">{{ $strings.HeaderListeningStats }}</h1>
+        <h1 class="text-lg mb-2 text-white/90 px-2 sm:px-0">{{ $strings.HeaderListeningStats }}</h1>
         <div class="flex items-center">
           <p class="text-sm text-gray-300">{{ listeningSessions.total }} {{ $strings.HeaderListeningSessions }}</p>
           <ui-btn :to="`/config/users/${user.id}/sessions`" class="text-xs mx-2" :padding-x="1.5" :padding-y="1">{{ $strings.ButtonViewAll }}</ui-btn>
@@ -33,18 +33,18 @@
         </p>
 
         <div v-if="latestSession" class="mt-4">
-          <h1 class="text-lg mb-2 text-white text-opacity-90 px-2 sm:px-0">{{ $strings.HeaderLastListeningSession }}</h1>
+          <h1 class="text-lg mb-2 text-white/90 px-2 sm:px-0">{{ $strings.HeaderLastListeningSession }}</h1>
           <p class="text-sm text-gray-300">
             <strong>{{ latestSession.displayTitle }}</strong> {{ $dateDistanceFromNow(latestSession.updatedAt) }} for <span class="font-mono text-base">{{ $elapsedPrettyExtended(this.latestSession.timeListening) }}</span>
           </p>
         </div>
       </div>
-      <div class="w-full h-px bg-white bg-opacity-10 my-2" />
+      <div class="w-full h-px bg-white/10 my-2" />
       <div class="py-2">
-        <h1 class="text-lg mb-2 text-white text-opacity-90 px-2 sm:px-0">{{ $strings.HeaderSavedMediaProgress }}</h1>
+        <h1 class="text-lg mb-2 text-white/90 px-2 sm:px-0">{{ $strings.HeaderSavedMediaProgress }}</h1>
 
         <table v-if="mediaProgress.length" class="userAudiobooksTable">
-          <tr class="bg-primary bg-opacity-40">
+          <tr class="bg-primary/40">
             <th class="w-16 text-left">{{ $strings.LabelItem }}</th>
             <th class="text-left"></th>
             <th class="w-32">{{ $strings.LabelProgress }}</th>
@@ -58,7 +58,7 @@
             </td>
             <td>
               <p>{{ item.displayTitle || 'Unknown' }}</p>
-              <p v-if="item.displaySubtitle" class="text-white text-opacity-50 text-sm font-sans">{{ item.displaySubtitle }}</p>
+              <p v-if="item.displaySubtitle" class="text-white/50 text-sm font-sans">{{ item.displaySubtitle }}</p>
             </td>
             <td class="text-center">
               <p class="text-sm">{{ Math.floor(item.progress * 100) }}%</p>
@@ -75,7 +75,7 @@
             </td>
           </tr>
         </table>
-        <p v-else class="text-white text-opacity-50">{{ $strings.MessageNoMediaProgress }}</p>
+        <p v-else class="text-white/50">{{ $strings.MessageNoMediaProgress }}</p>
       </div>
     </div>
   </div>
diff --git a/client/pages/config/users/_id/sessions.vue b/client/pages/config/users/_id/sessions.vue
index 55ca6a01..ab33b4b1 100644
--- a/client/pages/config/users/_id/sessions.vue
+++ b/client/pages/config/users/_id/sessions.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="w-full h-full">
-    <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-0 sm:p-4 mb-8">
-      <nuxt-link :to="`/config/users/${user.id}`" class="text-white text-opacity-70 hover:text-opacity-100 hover:bg-white hover:bg-opacity-5 cursor-pointer rounded-full px-2 sm:px-0">
+    <div class="bg-bg rounded-md shadow-lg border border-white/5 p-0 sm:p-4 mb-8">
+      <nuxt-link :to="`/config/users/${user.id}`" class="text-white/70 hover:text-white/100 hover:bg-white/5 cursor-pointer rounded-full px-2 sm:px-0">
         <div class="flex items-center">
           <div class="h-10 w-10 flex items-center justify-center">
             <span class="material-symbols text-2xl">arrow_back</span>
@@ -14,19 +14,19 @@
         <h1 class="text-xl pl-2">{{ username }}</h1>
       </div>
 
-      <div class="w-full h-px bg-white bg-opacity-10 my-2" />
+      <div class="w-full h-px bg-white/10 my-2" />
 
       <div class="py-2">
-        <h1 class="text-lg mb-2 text-white text-opacity-90 px-2 sm:px-0">{{ $strings.HeaderListeningSessions }}</h1>
+        <h1 class="text-lg mb-2 text-white/90 px-2 sm:px-0">{{ $strings.HeaderListeningSessions }}</h1>
         <div v-if="listeningSessions.length">
           <table class="userSessionsTable">
-            <tr class="bg-primary bg-opacity-40">
+            <tr class="bg-primary/40">
               <th class="w-48 min-w-48 text-left">{{ $strings.LabelItem }}</th>
               <th class="w-32 min-w-32 text-left hidden md:table-cell">{{ $strings.LabelPlayMethod }}</th>
               <th class="w-32 min-w-32 text-left hidden sm:table-cell">{{ $strings.LabelDeviceInfo }}</th>
               <th class="w-32 min-w-32">{{ $strings.LabelTimeListened }}</th>
               <th class="w-16 min-w-16">{{ $strings.LabelLastTime }}</th>
-              <th class="flex-grow hidden sm:table-cell">{{ $strings.LabelLastUpdate }}</th>
+              <th class="grow hidden sm:table-cell">{{ $strings.LabelLastUpdate }}</th>
             </tr>
             <tr v-for="session in listeningSessions" :key="session.id" class="cursor-pointer" @click="showSession(session)">
               <td class="py-1 max-w-48">
@@ -58,7 +58,7 @@
             <ui-icon-btn icon="arrow_forward_ios" :size="7" icon-font-size="1rem" class="mx-1" :disabled="currentPage >= numPages - 1" @click="nextPage" />
           </div>
         </div>
-        <p v-else class="text-white text-opacity-50">No sessions yet...</p>
+        <p v-else class="text-white/50">No sessions yet...</p>
       </div>
     </div>
 
diff --git a/client/pages/config/users/index.vue b/client/pages/config/users/index.vue
index 184529cb..5bd53e0e 100644
--- a/client/pages/config/users/index.vue
+++ b/client/pages/config/users/index.vue
@@ -12,9 +12,9 @@
           </a>
         </ui-tooltip>
 
-        <div class="flex-grow" />
+        <div class="grow" />
 
-        <ui-btn color="primary" small @click="setShowUserModal()">{{ $strings.ButtonAddUser }}</ui-btn>
+        <ui-btn color="bg-primary" small @click="setShowUserModal()">{{ $strings.ButtonAddUser }}</ui-btn>
       </template>
 
       <tables-users-table class="pt-2" @edit="setShowUserModal" @numUsers="(count) => (numUsers = count)" />
diff --git a/client/pages/item/_id/index.vue b/client/pages/item/_id/index.vue
index f8d786be..4a0476e1 100644
--- a/client/pages/item/_id/index.vue
+++ b/client/pages/item/_id/index.vue
@@ -7,7 +7,7 @@
             <covers-book-cover class="relative group-hover:brightness-75 transition cursor-pointer" expand-on-click :library-item="libraryItem" :width="bookCoverWidth" :book-cover-aspect-ratio="bookCoverAspectRatio" />
 
             <!-- Item Progress Bar -->
-            <div v-if="!isPodcast" class="absolute bottom-0 left-0 h-1.5 shadow-sm z-10" :class="userIsFinished ? 'bg-success' : 'bg-yellow-400'" :style="{ width: 208 * progressPercent + 'px' }"></div>
+            <div v-if="!isPodcast" class="absolute bottom-0 left-0 h-1.5 shadow-xs z-10" :class="userIsFinished ? 'bg-success' : 'bg-yellow-400'" :style="{ width: 208 * progressPercent + 'px' }"></div>
 
             <!-- Item Cover Overlay -->
             <div class="absolute top-0 left-0 w-full h-full z-10 opacity-0 group-hover:opacity-100 pointer-events-none">
@@ -17,11 +17,11 @@
                 </button>
               </div>
 
-              <button class="absolute bottom-2.5 right-2.5 z-10 material-symbols text-lg cursor-pointer text-white text-opacity-75 hover:text-opacity-100 hover:scale-110 transform duration-200 pointer-events-auto" :aria-label="$strings.ButtonEdit" @click="showEditCover">edit</button>
+              <button class="absolute bottom-2.5 right-2.5 z-10 material-symbols text-lg cursor-pointer text-white/75 hover:text-white/100 hover:scale-110 transform duration-200 pointer-events-auto" :aria-label="$strings.ButtonEdit" @click="showEditCover">edit</button>
             </div>
           </div>
         </div>
-        <div class="flex-grow px-2 py-6 lg:py-0 md:px-10">
+        <div class="grow px-2 py-6 lg:py-0 md:px-10">
           <div class="flex justify-center">
             <div class="mb-4">
               <h1 class="text-2xl md:text-3xl font-semibold">
@@ -40,18 +40,18 @@
               </template>
 
               <p v-if="isPodcast" class="mb-2 mt-0.5 text-gray-200 text-lg md:text-xl">{{ $getString('LabelByAuthor', [podcastAuthor]) }}</p>
-              <p v-else-if="authors.length" class="mb-2 mt-0.5 text-gray-200 text-lg md:text-xl max-w-[calc(100vw-2rem)] overflow-hidden overflow-ellipsis">
+              <p v-else-if="authors.length" class="mb-2 mt-0.5 text-gray-200 text-lg md:text-xl max-w-[calc(100vw-2rem)] overflow-hidden text-ellipsis">
                 {{ $getString('LabelByAuthor', ['']) }}<nuxt-link v-for="(author, index) in authors" :key="index" :to="`/author/${author.id}`" class="hover:underline">{{ author.name }}<span v-if="index < authors.length - 1">,&nbsp;</span></nuxt-link>
               </p>
               <p v-else class="mb-2 mt-0.5 text-gray-200 text-xl">by Unknown</p>
 
               <content-library-item-details :library-item="libraryItem" />
             </div>
-            <div class="hidden md:block flex-grow" />
+            <div class="hidden md:block grow" />
           </div>
 
           <!-- Podcast episode downloads queue -->
-          <div v-if="episodeDownloadsQueued.length" class="px-4 py-2 mt-4 bg-info bg-opacity-40 text-sm font-semibold rounded-md text-gray-100 relative max-w-max mx-auto md:mx-0">
+          <div v-if="episodeDownloadsQueued.length" class="px-4 py-2 mt-4 bg-info/40 text-sm font-semibold rounded-md text-gray-100 relative max-w-max mx-auto md:mx-0">
             <div class="flex items-center">
               <p class="text-sm py-1">{{ $getString('MessageEpisodesQueuedForDownload', [episodeDownloadsQueued.length]) }}</p>
 
@@ -60,7 +60,7 @@
           </div>
 
           <!-- Podcast episodes currently downloading -->
-          <div v-if="episodesDownloading.length" class="px-4 py-2 mt-4 bg-success bg-opacity-20 text-sm font-semibold rounded-md text-gray-100 relative max-w-max mx-auto md:mx-0">
+          <div v-if="episodesDownloading.length" class="px-4 py-2 mt-4 bg-success/20 text-sm font-semibold rounded-md text-gray-100 relative max-w-max mx-auto md:mx-0">
             <div v-for="episode in episodesDownloading" :key="episode.id" class="flex items-center">
               <widgets-loading-spinner />
               <p class="text-sm py-1 pl-4">{{ $strings.MessageDownloadingEpisode }} "{{ episode.episodeDisplayTitle }}"</p>
@@ -81,21 +81,21 @@
 
           <!-- Icon buttons -->
           <div class="flex items-center justify-center md:justify-start pt-4">
-            <ui-btn v-if="showPlayButton" :disabled="isStreaming" color="success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="playItem">
+            <ui-btn v-if="showPlayButton" :disabled="isStreaming" color="bg-success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="playItem">
               <span v-show="!isStreaming" class="material-symbols fill text-2xl -ml-2 pr-1 text-white">&#xe037;</span>
               {{ isStreaming ? $strings.ButtonPlaying : $strings.ButtonPlay }}
             </ui-btn>
 
-            <ui-btn v-else-if="isMissing || isInvalid" color="error" :padding-x="4" small class="flex items-center h-9 mr-2">
+            <ui-btn v-else-if="isMissing || isInvalid" color="bg-error" :padding-x="4" small class="flex items-center h-9 mr-2">
               <span class="material-symbols text-2xl -ml-2 pr-1 text-white">error</span>
               {{ isMissing ? $strings.LabelMissing : $strings.LabelIncomplete }}
             </ui-btn>
 
             <ui-tooltip v-if="showQueueBtn" :text="isQueued ? $strings.ButtonQueueRemoveItem : $strings.ButtonQueueAddItem" direction="top">
-              <ui-icon-btn :icon="isQueued ? 'playlist_add_check' : 'playlist_play'" :bg-color="isQueued ? 'primary' : 'success bg-opacity-60'" class="mx-0.5" :class="isQueued ? 'text-success' : ''" @click="queueBtnClick" />
+              <ui-icon-btn :icon="isQueued ? 'playlist_add_check' : 'playlist_play'" :bg-color="isQueued ? 'bg-primary' : 'bg-success/60'" class="mx-0.5" :class="isQueued ? 'text-success' : ''" @click="queueBtnClick" />
             </ui-tooltip>
 
-            <ui-btn v-if="showReadButton" color="info" :padding-x="4" small class="flex items-center h-9 mr-2" @click="openEbook">
+            <ui-btn v-if="showReadButton" color="bg-info" :padding-x="4" small class="flex items-center h-9 mr-2" @click="openEbook">
               <span class="material-symbols text-2xl -ml-2 pr-2 text-white" aria-hidden="true">auto_stories</span>
               {{ $strings.ButtonRead }}
             </ui-btn>
diff --git a/client/pages/library/_library/narrators.vue b/client/pages/library/_library/narrators.vue
index e22de8d0..17160213 100644
--- a/client/pages/library/_library/narrators.vue
+++ b/client/pages/library/_library/narrators.vue
@@ -25,7 +25,7 @@
                 <ui-icon-btn icon="delete" borderless :size="8" icon-font-size="1.1rem" @click="removeClick(narrator)" />
               </template>
               <template v-else>
-                <ui-btn color="success" small class="mr-2" @click.stop="saveClick">{{ $strings.ButtonSave }}</ui-btn>
+                <ui-btn color="bg-success" small class="mr-2" @click.stop="saveClick">{{ $strings.ButtonSave }}</ui-btn>
                 <ui-btn small @click.stop="cancelEditClick">{{ $strings.ButtonCancel }}</ui-btn>
               </template>
             </div>
diff --git a/client/pages/library/_library/podcast/download-queue.vue b/client/pages/library/_library/podcast/download-queue.vue
index 5f4bab62..f43890f3 100644
--- a/client/pages/library/_library/podcast/download-queue.vue
+++ b/client/pages/library/_library/podcast/download-queue.vue
@@ -9,11 +9,11 @@
         <template v-for="episode in episodesDownloading">
           <div :key="episode.id" class="flex py-5 relative">
             <covers-preview-cover :src="$store.getters['globals/getLibraryItemCoverSrcById'](episode.libraryItemId)" :width="96" :book-cover-aspect-ratio="bookCoverAspectRatio" :show-resolution="false" class="hidden md:block" />
-            <div class="flex-grow pl-4 max-w-2xl">
+            <div class="grow pl-4 max-w-2xl">
               <!-- mobile -->
               <div class="flex md:hidden mb-2">
                 <covers-preview-cover :src="$store.getters['globals/getLibraryItemCoverSrcById'](episode.libraryItemId)" :width="48" :book-cover-aspect-ratio="bookCoverAspectRatio" :show-resolution="false" class="md:hidden" />
-                <div class="flex-grow px-2">
+                <div class="grow px-2">
                   <div class="flex items-center">
                     <nuxt-link :to="`/item/${episode.libraryItemId}`" class="text-sm text-gray-200 hover:underline">{{ episode.podcastTitle }}</nuxt-link>
                     <widgets-explicit-indicator v-if="episode.podcastExplicit" />
diff --git a/client/pages/library/_library/podcast/latest.vue b/client/pages/library/_library/podcast/latest.vue
index 5c5c6c29..fd13fa48 100644
--- a/client/pages/library/_library/podcast/latest.vue
+++ b/client/pages/library/_library/podcast/latest.vue
@@ -9,11 +9,11 @@
         <template v-for="(episode, index) in episodesMapped">
           <div :key="episode.id" class="flex py-5 cursor-pointer relative" @click.stop="clickEpisode(episode)">
             <covers-preview-cover :src="$store.getters['globals/getLibraryItemCoverSrcById'](episode.libraryItemId, episode.updatedAt)" :width="96" :book-cover-aspect-ratio="bookCoverAspectRatio" :show-resolution="false" class="hidden md:block" />
-            <div class="flex-grow pl-4 max-w-2xl">
+            <div class="grow pl-4 max-w-2xl">
               <!-- mobile -->
               <div class="flex md:hidden mb-2">
                 <covers-preview-cover :src="$store.getters['globals/getLibraryItemCoverSrcById'](episode.libraryItemId, episode.updatedAt)" :width="48" :book-cover-aspect-ratio="bookCoverAspectRatio" :show-resolution="false" class="md:hidden" />
-                <div class="flex-grow px-2">
+                <div class="grow px-2">
                   <div class="flex items-center">
                     <div class="flex" @click.stop>
                       <nuxt-link :to="`/item/${episode.libraryItemId}`" class="text-sm text-gray-200 hover:underline">{{ episode.podcast.metadata.title }}</nuxt-link>
@@ -48,7 +48,7 @@
               <p dir="auto" class="text-sm text-gray-200 mb-4 line-clamp-4" v-html="episode.subtitle || episode.description" />
 
               <div class="flex items-center">
-                <button class="h-8 px-4 border border-white border-opacity-20 hover:bg-white hover:bg-opacity-10 rounded-full flex items-center justify-center cursor-pointer focus:outline-none" :class="episode.progress?.isFinished ? 'text-white text-opacity-40' : ''" @click.stop="playClick(episode)">
+                <button class="h-8 px-4 border border-white/20 hover:bg-white/10 rounded-full flex items-center justify-center cursor-pointer focus:outline-hidden" :class="episode.progress?.isFinished ? 'text-white/40' : ''" @click.stop="playClick(episode)">
                   <span v-if="episodeIdStreaming === episode.id" class="material-symbols text-2xl" :class="streamIsPlaying ? '' : 'text-success'">{{ streamIsPlaying ? 'pause' : 'play_arrow' }}</span>
                   <span v-else class="material-symbols fill text-2xl text-success">play_arrow</span>
                   <p class="pl-2 pr-1 text-sm font-semibold">{{ getButtonText(episode) }}</p>
@@ -70,7 +70,7 @@
 
             <div v-if="episode.progress" class="absolute bottom-0 left-0 h-0.5 pointer-events-none bg-warning" :style="{ width: episode.progress.progress * 100 + '%' }" />
           </div>
-          <div :key="index" v-if="index !== recentEpisodes.length" class="w-full h-px bg-white bg-opacity-10" />
+          <div :key="index" v-if="index !== recentEpisodes.length" class="w-full h-px bg-white/10" />
         </template>
       </div>
     </div>
diff --git a/client/pages/library/_library/podcast/search.vue b/client/pages/library/_library/podcast/search.vue
index 37ceeee0..aaccd152 100644
--- a/client/pages/library/_library/podcast/search.vue
+++ b/client/pages/library/_library/podcast/search.vue
@@ -4,8 +4,8 @@
 
     <div id="bookshelf" class="w-full overflow-y-auto px-2 py-6 sm:px-4 md:p-12 relative">
       <div class="w-full max-w-4xl mx-auto flex">
-        <form @submit.prevent="submit" class="flex flex-grow">
-          <ui-text-input v-model="searchInput" type="search" :disabled="processing" :placeholder="$strings.MessagePodcastSearchField" class="flex-grow mr-2 text-sm md:text-base" />
+        <form @submit.prevent="submit" class="flex grow">
+          <ui-text-input v-model="searchInput" type="search" :disabled="processing" :placeholder="$strings.MessagePodcastSearchField" class="grow mr-2 text-sm md:text-base" />
           <ui-btn type="submit" :disabled="processing" class="hidden md:block">{{ $strings.ButtonSubmit }}</ui-btn>
           <ui-btn type="submit" :disabled="processing" class="block md:hidden" small>{{ $strings.ButtonSubmit }}</ui-btn>
         </form>
@@ -14,11 +14,11 @@
       <div class="w-full max-w-3xl mx-auto py-4">
         <p v-if="termSearched && !results.length && !processing" class="text-center text-xl">{{ $strings.MessageNoPodcastsFound }}</p>
         <template v-for="podcast in results">
-          <div :key="podcast.id" class="flex p-1 hover:bg-primary hover:bg-opacity-25 cursor-pointer" @click="selectPodcast(podcast)">
+          <div :key="podcast.id" class="flex p-1 hover:bg-primary/25 cursor-pointer" @click="selectPodcast(podcast)">
             <div class="w-20 min-w-20 h-20 md:w-24 md:min-w-24 md:h-24 bg-primary">
               <img v-if="podcast.cover" :src="podcast.cover" class="h-full w-full" />
             </div>
-            <div class="flex-grow pl-4 max-w-2xl">
+            <div class="grow pl-4 max-w-2xl">
               <div class="flex items-center">
                 <a :href="podcast.pageUrl" class="text-base md:text-lg text-gray-200 hover:underline" target="_blank" @click.stop>{{ podcast.title }}</a>
                 <widgets-explicit-indicator v-if="podcast.explicit" />
@@ -32,7 +32,7 @@
         </template>
       </div>
 
-      <div v-show="processing" class="absolute top-0 left-0 w-full h-full flex items-center justify-center bg-black bg-opacity-25 z-40">
+      <div v-show="processing" class="absolute top-0 left-0 w-full h-full flex items-center justify-center bg-black/25 z-40">
         <ui-loading-indicator />
       </div>
     </div>
diff --git a/client/pages/library/_library/stats.vue b/client/pages/library/_library/stats.vue
index ae72c2e8..575c4676 100644
--- a/client/pages/library/_library/stats.vue
+++ b/client/pages/library/_library/stats.vue
@@ -13,12 +13,12 @@
               <div :key="genre.genre" class="w-full py-2">
                 <div class="flex items-end mb-1">
                   <p class="text-2xl font-bold">{{ Math.round((100 * genre.count) / totalItems) }}&nbsp;%</p>
-                  <div class="flex-grow" />
-                  <nuxt-link :to="`/library/${currentLibraryId}/bookshelf?filter=genres.${$encode(genre.genre)}`" class="text-base text-white text-opacity-70 hover:underline">
+                  <div class="grow" />
+                  <nuxt-link :to="`/library/${currentLibraryId}/bookshelf?filter=genres.${$encode(genre.genre)}`" class="text-base text-white/70 hover:underline">
                     {{ genre.genre }}
                   </nuxt-link>
                 </div>
-                <div class="w-full rounded-full h-3 bg-primary bg-opacity-50 overflow-hidden">
+                <div class="w-full rounded-full h-3 bg-primary/50 overflow-hidden">
                   <div class="bg-yellow-400 h-full rounded-full" :style="{ width: Math.round((100 * genre.count) / totalItems) + '%' }" />
                 </div>
               </div>
@@ -30,10 +30,10 @@
             <template v-for="(author, index) in top10Authors">
               <div :key="author.id" class="w-full py-2">
                 <div class="flex items-center mb-1">
-                  <p class="text-sm text-white text-opacity-70 w-36 pr-2 truncate">
+                  <p class="text-sm text-white/70 w-36 pr-2 truncate">
                     {{ index + 1 }}.&nbsp;&nbsp;&nbsp;&nbsp;<nuxt-link :to="`/author/${author.id}`" class="hover:underline">{{ author.name }}</nuxt-link>
                   </p>
-                  <div class="flex-grow rounded-full h-2.5 bg-primary bg-opacity-0 overflow-hidden">
+                  <div class="grow rounded-full h-2.5 bg-primary/0 overflow-hidden">
                     <div class="bg-yellow-400 h-full rounded-full" :style="{ width: Math.round((100 * author.count) / mostUsedAuthorCount) + '%' }" />
                   </div>
                   <div class="w-4 ml-3">
@@ -49,10 +49,10 @@
             <template v-for="(ab, index) in top10LongestItems">
               <div :key="index" class="w-full py-2">
                 <div class="flex items-center mb-1">
-                  <p class="text-sm text-white text-opacity-70 w-44 pr-2 truncate">
+                  <p class="text-sm text-white/70 w-44 pr-2 truncate">
                     {{ index + 1 }}.&nbsp;&nbsp;&nbsp;&nbsp;<nuxt-link :to="`/item/${ab.id}`" class="hover:underline">{{ ab.title }}</nuxt-link>
                   </p>
-                  <div class="flex-grow rounded-full h-2.5 bg-primary bg-opacity-0 overflow-hidden">
+                  <div class="grow rounded-full h-2.5 bg-primary/0 overflow-hidden">
                     <div class="bg-yellow-400 h-full rounded-full" :style="{ width: Math.round((100 * ab.duration) / longestItemDuration) + '%' }" />
                   </div>
                   <div class="w-4 ml-3">
@@ -68,10 +68,10 @@
             <template v-for="(ab, index) in top10LargestItems">
               <div :key="index" class="w-full py-2">
                 <div class="flex items-center mb-1">
-                  <p class="text-sm text-white text-opacity-70 w-44 pr-2 truncate">
+                  <p class="text-sm text-white/70 w-44 pr-2 truncate">
                     {{ index + 1 }}.&nbsp;&nbsp;&nbsp;&nbsp;<nuxt-link :to="`/item/${ab.id}`" class="hover:underline">{{ ab.title }}</nuxt-link>
                   </p>
-                  <div class="flex-grow rounded-full h-2.5 bg-primary bg-opacity-0 overflow-hidden">
+                  <div class="grow rounded-full h-2.5 bg-primary/0 overflow-hidden">
                     <div class="bg-yellow-400 h-full rounded-full" :style="{ width: Math.round((100 * ab.size) / largestItemSize) + '%' }" />
                   </div>
                   <div class="w-4 ml-3">
diff --git a/client/pages/login.vue b/client/pages/login.vue
index a853def4..3f48509f 100644
--- a/client/pages/login.vue
+++ b/client/pages/login.vue
@@ -8,12 +8,12 @@
     </div>
 
     <div class="relative z-10 w-full flex h-full items-center justify-center">
-      <div v-if="criticalError" class="w-full max-w-md rounded border border-error border-opacity-25 bg-error bg-opacity-10 p-4">
+      <div v-if="criticalError" class="w-full max-w-md rounded-sm border border-error/25 bg-error/10 p-4">
         <p class="text-center text-lg font-semibold">{{ $strings.MessageServerCouldNotBeReached }}</p>
       </div>
       <div v-else-if="showInitScreen" class="w-full max-w-lg px-4 md:px-8 pb-8 pt-4">
         <p class="text-3xl text-white text-center mb-4">Initial Server Setup</p>
-        <div class="w-full h-px bg-white bg-opacity-10 my-4" />
+        <div class="w-full h-px bg-white/10 my-4" />
 
         <form @submit.prevent="submitServerSetup">
           <p class="text-lg font-semibold mb-2 pl-1 text-center">Create Root User</p>
@@ -26,15 +26,15 @@
           <ui-text-input-with-label v-model="MetadataPath" label="Metadata Path" disabled class="w-full mb-3 text-sm" />
 
           <div class="w-full flex justify-end py-3">
-            <ui-btn type="submit" :disabled="processing" color="primary" class="leading-none">{{ processing ? 'Initializing...' : $strings.ButtonSubmit }}</ui-btn>
+            <ui-btn type="submit" :disabled="processing" color="bg-primary" class="leading-none">{{ processing ? 'Initializing...' : $strings.ButtonSubmit }}</ui-btn>
           </div>
         </form>
       </div>
       <div v-else-if="isInit" class="w-full max-w-md px-8 pb-8 pt-4 lg:-mt-40">
-        <div class="bg-bg rounded-md shadow-lg border border-white border-opacity-5 p-4">
+        <div class="bg-bg rounded-md shadow-lg border border-white/5 p-4">
           <p class="text-2xl font-semibold text-center text-white mb-4">{{ $strings.HeaderLogin }}</p>
 
-          <div class="w-full h-px bg-white bg-opacity-10 my-4" />
+          <div class="w-full h-px bg-white/10 my-4" />
 
           <p v-if="loginCustomMessage" class="py-2 default-style mb-2" v-html="loginCustomMessage"></p>
 
@@ -47,14 +47,14 @@
             <label class="text-xs text-gray-300 uppercase">{{ $strings.LabelPassword }}</label>
             <ui-text-input v-model.trim="password" type="password" :disabled="processing" class="w-full mb-3" inputName="password" />
             <div class="w-full flex justify-end py-3">
-              <ui-btn type="submit" :disabled="processing" color="primary" class="leading-none">{{ processing ? 'Checking...' : $strings.ButtonSubmit }}</ui-btn>
+              <ui-btn type="submit" :disabled="processing" color="bg-primary" class="leading-none">{{ processing ? 'Checking...' : $strings.ButtonSubmit }}</ui-btn>
             </div>
           </form>
 
-          <div v-if="login_local && login_openid" class="w-full h-px bg-white bg-opacity-10 my-4" />
+          <div v-if="login_local && login_openid" class="w-full h-px bg-white/10 my-4" />
 
           <div class="w-full flex py-3">
-            <a v-if="login_openid" :href="openidAuthUri" class="w-full abs-btn outline-none rounded-md shadow-md relative border border-gray-600 text-center bg-primary text-white px-8 py-2 leading-none">
+            <a v-if="login_openid" :href="openidAuthUri" class="w-full abs-btn outline-hidden rounded-md shadow-md relative border border-gray-600 text-center bg-primary text-white px-8 py-2 leading-none">
               {{ openIDButtonText }}
             </a>
           </div>
diff --git a/client/pages/playlist/_id.vue b/client/pages/playlist/_id.vue
index 09755324..df624383 100644
--- a/client/pages/playlist/_id.vue
+++ b/client/pages/playlist/_id.vue
@@ -7,14 +7,14 @@
             <covers-playlist-cover :items="playlistItems" :width="200" :height="200" />
           </div>
         </div>
-        <div class="flex-grow px-2 py-6 md:py-0 md:px-10">
+        <div class="grow px-2 py-6 md:py-0 md:px-10">
           <div class="flex items-end flex-row flex-wrap md:flex-nowrap">
             <h1 class="text-2xl md:text-3xl font-sans w-full md:w-fit mb-4 md:mb-0">
               {{ playlistName }}
             </h1>
-            <div class="flex-grow" />
+            <div class="grow" />
 
-            <ui-btn v-if="showPlayButton" :disabled="streaming" color="success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="clickPlay">
+            <ui-btn v-if="showPlayButton" :disabled="streaming" color="bg-success" :padding-x="4" small class="flex items-center h-9 mr-2" @click="clickPlay">
               <span v-show="!streaming" class="material-symbols fill text-2xl -ml-2 pr-1 text-white">play_arrow</span>
               {{ streaming ? $strings.ButtonPlaying : $strings.ButtonPlayAll }}
             </ui-btn>
@@ -32,7 +32,7 @@
         </div>
       </div>
     </div>
-    <div v-show="processingRemove" class="absolute top-0 left-0 w-full h-full z-10 bg-black bg-opacity-40 flex items-center justify-center">
+    <div v-show="processingRemove" class="absolute top-0 left-0 w-full h-full z-10 bg-black/40 flex items-center justify-center">
       <ui-loading-indicator />
     </div>
   </div>
diff --git a/client/pages/upload/index.vue b/client/pages/upload/index.vue
index 39955181..1ea8009b 100644
--- a/client/pages/upload/index.vue
+++ b/client/pages/upload/index.vue
@@ -23,7 +23,7 @@
           <span class="pl-1 material-symbols icon-text text-sm cursor-pointer">info</span>
         </ui-tooltip>
 
-        <div class="flex-grow ml-4">
+        <div class="grow ml-4">
           <ui-dropdown v-model="fetchMetadata.provider" :items="providers" :label="$strings.LabelProvider" />
         </div>
       </div>
@@ -33,7 +33,7 @@
       </widgets-alert>
 
       <!-- Picker display -->
-      <div v-if="!items.length && !ignoredFiles.length" class="w-full mx-auto border border-white border-opacity-20 px-4 md:px-12 pt-12 pb-4 my-12 relative" :class="isDragging ? 'bg-primary bg-opacity-40' : 'border-dashed'">
+      <div v-if="!items.length && !ignoredFiles.length" class="w-full mx-auto border border-white/20 px-4 md:px-12 pt-12 pb-4 my-12 relative" :class="isDragging ? 'bg-primary/40' : 'border-dashed'">
         <p class="text-2xl text-center">{{ isDragging ? $strings.LabelUploaderDropFiles : isIOS ? $strings.LabelUploaderDragAndDropFilesOnly : $strings.LabelUploaderDragAndDrop }}</p>
         <p class="text-center text-sm my-5">{{ $strings.MessageOr }}</p>
         <div class="w-full max-w-xl mx-auto">
@@ -43,19 +43,19 @@
           </div>
         </div>
         <div class="pt-8 text-center">
-          <p class="text-xs text-white text-opacity-50 font-mono mb-4">
+          <p class="text-xs text-white/50 font-mono mb-4">
             <strong>{{ $strings.LabelSupportedFileTypes }}: </strong>{{ inputAccept.join(', ') }}
           </p>
 
-          <p class="text-sm text-white text-opacity-70">
+          <p class="text-sm text-white/70">
             <span v-if="!isIOS">{{ $strings.NoteUploaderFoldersWithMediaFiles }}</span> <span v-if="selectedLibraryMediaType === 'book'">{{ $strings.NoteUploaderOnlyAudioFiles }}</span>
           </p>
         </div>
       </div>
       <!-- Item list header -->
-      <div v-else class="w-full flex items-center pb-4 border-b border-white border-opacity-10">
+      <div v-else class="w-full flex items-center pb-4 border-b border-white/10">
         <p class="text-lg lowercase">{{ items.length === 1 ? `1 ${$strings.LabelItem}` : $getString('LabelXItems', [items.length]) }}</p>
-        <div class="flex-grow" />
+        <div class="grow" />
         <ui-btn :disabled="processing" small @click="reset">{{ $strings.ButtonReset }}</ui-btn>
       </div>
 
@@ -67,7 +67,7 @@
         <div class="w-full pr-12">
           <p class="text-base mb-1">{{ $strings.NoteUploaderUnsupportedFiles }}</p>
           <tables-uploaded-files-table :files="ignoredFiles" :title="$strings.HeaderIgnoredFiles" class="text-white" />
-          <p class="text-xs text-white text-opacity-50 font-mono pt-1">
+          <p class="text-xs text-white/50 font-mono pt-1">
             <strong>{{ $strings.LabelSupportedFileTypes }}: </strong>{{ inputAccept.join(', ') }}
           </p>
         </div>
@@ -78,7 +78,7 @@
 
       <!-- Upload/Reset btns -->
       <div v-show="items.length" class="flex justify-end pb-8 pt-4">
-        <ui-btn v-if="!uploadFinished" color="success" :loading="processing" @click="submit">{{ $strings.ButtonUpload }}</ui-btn>
+        <ui-btn v-if="!uploadFinished" color="bg-success" :loading="processing" @click="submit">{{ $strings.ButtonUpload }}</ui-btn>
         <ui-btn v-else @click="reset">{{ $strings.ButtonReset }}</ui-btn>
       </div>
     </div>
diff --git a/client/postcss.config.js b/client/postcss.config.js
new file mode 100644
index 00000000..4d8610d7
--- /dev/null
+++ b/client/postcss.config.js
@@ -0,0 +1,5 @@
+module.exports = {
+  plugins: {
+    '@tailwindcss/postcss': {}
+  }
+}
diff --git a/client/tailwind.config.js b/client/tailwind.config.js
deleted file mode 100644
index 7f234cea..00000000
--- a/client/tailwind.config.js
+++ /dev/null
@@ -1,124 +0,0 @@
-module.exports = {
-  content: ['components/**/*.vue', 'layouts/**/*.vue', 'pages/**/*.vue', 'templates/**/*.vue', 'plugins/**/*.js', 'nuxt.config.js'],
-  safelist: ['bg-red-600', 'px-1.5', 'min-w-5', 'border-warning'],
-  theme: {
-    extend: {
-      height: {
-        7.5: '1.75rem',
-        18: '4.5rem',
-        45: '11.25rem'
-      },
-      width: {
-        18: '4.5rem'
-      },
-      maxWidth: {
-        6: '1.5rem',
-        12: '3rem',
-        16: '4rem',
-        20: '5rem',
-        24: '6rem',
-        32: '8rem',
-        40: '10rem',
-        48: '12rem',
-        52: '13rem',
-        64: '16rem',
-        80: '20rem'
-      },
-      minWidth: {
-        5: '1.25rem',
-        6: '1.5rem',
-        8: '2rem',
-        10: '2.5rem',
-        12: '3rem',
-        16: '4rem',
-        20: '5rem',
-        24: '6rem',
-        26: '6.5rem',
-        32: '8rem',
-        48: '12rem',
-        64: '16rem',
-        80: '20rem'
-      },
-      spacing: {
-        18: '4.5rem',
-        '-54': '-13.5rem',
-        // based on tailwind default config converted to em units, see client\node_modules\tailwindcss\stubs\config.full.js
-        '0.5e': '0.125em',
-        '1e': '0.25em',
-        '1.5e': '0.375em',
-        '2e': '0.5em',
-        '2.5e': '0.625em',
-        '3e': '0.75em',
-        '3.5e': '0.875em',
-        '4e': '1em',
-        '5e': '1.25em',
-        '6e': '1.5em',
-        '7e': '1.75em',
-        '8e': '2em',
-        '9e': '2.25em',
-        '10e': '2.5em',
-        '11e': '2.75em',
-        '12e': '3em',
-        '14e': '3.5em',
-        '16e': '4em',
-        '20e': '5em',
-        '24e': '6em',
-        '28e': '7em',
-        '32e': '8em',
-        '36e': '9em',
-        '40e': '10em',
-        '44e': '11em',
-        '48e': '12em',
-        '52e': '13em',
-        '56e': '14em',
-        '60e': '15em',
-        '64e': '16em',
-        '72e': '18em',
-        '80e': '20em',
-        '96e': '24em'
-      },
-      rotate: {
-        '-60': '-60deg'
-      },
-      colors: {
-        bg: '#373838',
-        primary: '#232323',
-        accent: '#1ad691',
-        error: '#FF5252',
-        info: '#2196F3',
-        success: '#4CAF50',
-        warning: '#FB8C00',
-        darkgreen: 'rgb(34,127,35)',
-        'black-50': '#bbbbbb',
-        'black-100': '#666666',
-        'black-200': '#555555',
-        'black-300': '#444444',
-        'black-400': '#333333',
-        'black-500': '#222222',
-        'black-600': '#111111',
-        'black-700': '#101010'
-      },
-      cursor: {
-        none: 'none'
-      },
-      fontFamily: {
-        sans: ['Source Sans Pro'],
-        mono: ['Ubuntu Mono']
-      },
-      fontSize: {
-        xxs: '0.625rem',
-        '1.5xl': '1.375rem',
-        '2.5xl': '1.6875rem',
-        '4.5xl': '2.625rem'
-      },
-      zIndex: {
-        50: 50,
-        60: 60
-      }
-    }
-  },
-  variants: {
-    extend: {}
-  },
-  plugins: []
-}