diff --git a/src/components/settings/LoudnessLufsButtonGroup.tsx b/src/components/settings/LoudnessLufsButtonGroup.tsx
new file mode 100644
index 00000000..ea918ba1
--- /dev/null
+++ b/src/components/settings/LoudnessLufsButtonGroup.tsx
@@ -0,0 +1,24 @@
+import type { LoudnessLufsPreset } from '../../store/authStoreTypes';
+
+const LOUDNESS_LUFS_BUTTON_ORDER: LoudnessLufsPreset[] = [-10, -12, -14, -16];
+
+export function LoudnessLufsButtonGroup(props: {
+  value: LoudnessLufsPreset;
+  onSelect: (v: LoudnessLufsPreset) => void;
+}) {
+  return (
+    <div style={{ display: 'flex', alignItems: 'center', gap: '0.35rem', flexWrap: 'wrap' }}>
+      {LOUDNESS_LUFS_BUTTON_ORDER.map(v => (
+        <button
+          key={v}
+          type="button"
+          className={`btn ${props.value === v ? 'btn-primary' : 'btn-ghost'}`}
+          style={{ fontSize: 12, padding: '3px 12px' }}
+          onClick={() => props.onSelect(v)}
+        >
+          {v}
+        </button>
+      ))}
+    </div>
+  );
+}
diff --git a/src/components/settings/settingsTabs.ts b/src/components/settings/settingsTabs.ts
new file mode 100644
index 00000000..dc89f132
--- /dev/null
+++ b/src/components/settings/settingsTabs.ts
@@ -0,0 +1,87 @@
+export type Tab =
+  | 'library'
+  | 'servers'
+  | 'audio'
+  | 'lyrics'
+  | 'appearance'
+  | 'personalisation'
+  | 'integrations'
+  | 'input'
+  | 'storage'
+  | 'system'
+  | 'users';
+
+// Legacy Tab-IDs die via Route-State oder persisted State noch aufschlagen koennen
+// auf die neue Struktur mappen. Gibt es keinen Match, faellt die Settings-Page
+// einfach auf 'library' zurueck.
+const LEGACY_TAB_ALIAS: Record<string, Tab> = {
+  general: 'library',
+  server: 'servers',
+};
+
+export function resolveTab(input: string | undefined | null): Tab {
+  if (!input) return 'servers';
+  const aliased = LEGACY_TAB_ALIAS[input];
+  if (aliased) return aliased;
+  const known: Tab[] = ['library', 'servers', 'audio', 'lyrics', 'appearance', 'personalisation', 'integrations', 'input', 'storage', 'system', 'users'];
+  return (known as string[]).includes(input) ? (input as Tab) : 'servers';
+}
+
+// Statischer Suchindex ueber alle Sub-Sections aller Tabs. Mitpflegen, wenn eine
+// neue SettingsSubSection hinzukommt — sonst taucht sie nicht in der Suche auf.
+export type SearchIndexEntry = { tab: Tab; titleKey: string; keywords?: string };
+
+export const SETTINGS_INDEX: SearchIndexEntry[] = [
+  { tab: 'audio',          titleKey: 'settings.audioOutputDevice',        keywords: 'output device speakers headphones alsa wasapi coreaudio' },
+  { tab: 'audio',          titleKey: 'settings.hiResTitle',               keywords: 'hi-res hires resampling bit depth sample rate dsd 24bit' },
+  { tab: 'audio',          titleKey: 'settings.eqTitle',                  keywords: 'equalizer eq bass treble autoeq filter pre-gain' },
+  { tab: 'audio',          titleKey: 'settings.playbackTitle',            keywords: 'playback crossfade gapless replaygain replay gain volume' },
+  { tab: 'lyrics',         titleKey: 'settings.lyricsSourcesTitle',       keywords: 'lyrics sources providers lrclib netease server youlyplus karaoke standard static' },
+  { tab: 'lyrics',         titleKey: 'settings.sidebarLyricsStyle',       keywords: 'lyrics scroll style classic apple music' },
+  { tab: 'integrations',   titleKey: 'settings.lfmTitle',                 keywords: 'last.fm lastfm scrobble' },
+  { tab: 'integrations',   titleKey: 'settings.discordRichPresence',      keywords: 'discord rich presence rpc' },
+  { tab: 'integrations',   titleKey: 'settings.enableBandsintown',        keywords: 'bandsintown concerts tours events' },
+  { tab: 'integrations',   titleKey: 'settings.nowPlayingEnabled',        keywords: 'now playing share dropdown presence' },
+  { tab: 'personalisation',titleKey: 'settings.sidebarTitle',             keywords: 'sidebar nav navigation items reorder customize' },
+  { tab: 'personalisation',titleKey: 'settings.artistLayoutTitle',        keywords: 'artist page layout sections order' },
+  { tab: 'personalisation',titleKey: 'settings.homeCustomizerTitle',      keywords: 'home page customize sections' },
+  { tab: 'personalisation',titleKey: 'settings.queueToolbarTitle',        keywords: 'queue toolbar buttons reorder customize shuffle save load' },
+  { tab: 'library',        titleKey: 'settings.randomMixTitle',           keywords: 'random mix blacklist genre keywords filter audiobook' },
+  { tab: 'library',        titleKey: 'settings.ratingsSectionTitle',      keywords: 'ratings stars skip threshold manual' },
+  { tab: 'storage',        titleKey: 'settings.offlineDirTitle',          keywords: 'offline library download directory folder cache' },
+  { tab: 'storage',        titleKey: 'settings.nextTrackBufferingTitle',  keywords: 'next track buffering preload hot cache streaming' },
+  { tab: 'storage',        titleKey: 'settings.downloadsTitle',           keywords: 'downloads zip export archive folder' },
+  { tab: 'appearance',     titleKey: 'settings.theme',                    keywords: 'theme color palette dark light' },
+  { tab: 'appearance',     titleKey: 'settings.themeSchedulerTitle',      keywords: 'theme scheduler auto time dark mode sunset' },
+  { tab: 'appearance',     titleKey: 'settings.visualOptionsTitle',       keywords: 'visual options animations effects titlebar mini player' },
+  { tab: 'appearance',     titleKey: 'settings.uiScaleTitle',             keywords: 'ui scale zoom dpi size' },
+  { tab: 'appearance',     titleKey: 'settings.font',                     keywords: 'font typography typeface' },
+  { tab: 'appearance',     titleKey: 'settings.fsPlayerSection',          keywords: 'fullscreen player mesh blob' },
+  { tab: 'appearance',     titleKey: 'settings.seekbarStyle',             keywords: 'seekbar progress bar waveform reduced animations performance gpu fps low-end framerate cap' },
+  { tab: 'input',          titleKey: 'settings.inputKeybindingsTitle',    keywords: 'keybindings shortcuts hotkeys keyboard' },
+  { tab: 'input',          titleKey: 'settings.globalShortcutsTitle',     keywords: 'global shortcuts hotkeys system-wide media keys' },
+  { tab: 'system',         titleKey: 'settings.language',                 keywords: 'language locale translation i18n' },
+  { tab: 'system',         titleKey: 'settings.behavior',                 keywords: 'behavior tray minimize close start smooth scroll linux' },
+  { tab: 'system',         titleKey: 'settings.backupTitle',              keywords: 'backup export import settings restore' },
+  { tab: 'system',         titleKey: 'settings.loggingTitle',             keywords: 'log logs diagnostic debug verbose' },
+  { tab: 'system',         titleKey: 'settings.aboutTitle',               keywords: 'about version update changelog release notes' },
+  { tab: 'system',         titleKey: 'settings.aboutContributorsLabel',   keywords: 'contributors credits maintainers' },
+  { tab: 'system',         titleKey: 'licenses.title',                    keywords: 'licenses license open source attribution copyright third party dependencies oss' },
+];
+
+// Substring-first, Fuzzy-Fallback (alle Query-Zeichen in Reihenfolge im
+// Haystack). Rueckgabe 0 = kein Match. Hoeher = besser.
+export function matchScore(haystack: string, needle: string): number {
+  if (!needle) return 0;
+  const h = haystack.toLowerCase();
+  const n = needle.toLowerCase();
+  const idx = h.indexOf(n);
+  if (idx >= 0) return 1000 - Math.min(999, idx);
+  let hi = 0;
+  for (const ch of n) {
+    const j = h.indexOf(ch, hi);
+    if (j < 0) return 0;
+    hi = j + 1;
+  }
+  return Math.max(1, 100 - Math.min(99, hi - n.length));
+}
diff --git a/src/config/settingsCredits.ts b/src/config/settingsCredits.ts
new file mode 100644
index 00000000..cab5d97a
--- /dev/null
+++ b/src/config/settingsCredits.ts
@@ -0,0 +1,279 @@
+// Credits list rendered on the Settings → System tab. Update via PR when adding a contributor.
+export const CONTRIBUTORS = [
+  {
+    github: 'jiezhuo',
+    since: '1.21',
+    contributions: [
+      'Chinese (Simplified) translation',
+    ],
+  },
+  {
+    github: 'nullobject',
+    since: '1.22.0',
+    contributions: [
+      'Seek debounce & race condition fix (PR #7)',
+      'Waveform seekbar stability on position update (PR #8)',
+    ],
+  },
+  {
+    github: 'trbn1',
+    since: '1.22.0',
+    contributions: [
+      'Replay Gain metadata propagation (PR #9)',
+      'songToTrack() — unified track construction across all sources',
+    ],
+  },
+  {
+    github: 'nisarg-78',
+    since: '1.29.0',
+    contributions: [
+      'Click-to-seek in synced lyrics (PR #38)',
+      'Volume scroll wheel on volume slider (PR #38)',
+      'Lyrics line visual states: active / completed / upcoming (PR #38)',
+      'Queue auto-scroll to keep upcoming tracks in view; fixed re-renders from currentTime in QueuePanel (PR #115)',
+    ],
+  },
+  {
+    github: 'JulianNymark',
+    since: '1.29.0',
+    contributions: [
+      'OGG/Vorbis container support via symphonia-format-ogg (PR #42)',
+      'Themed toast notifications for audio playback errors (PR #43)',
+      'Human-readable audio error messages (PR #44)',
+    ],
+  },
+  {
+    github: 'zz5zz',
+    since: '1.32.0',
+    contributions: [
+      'Norwegian (Bokmål) translation (PR #101)',
+    ],
+  },
+  {
+    github: 'cucadmuh',
+    since: '1.33.0',
+    contributions: [
+      'Russian translation & i18n locale split (PR #106)',
+      'Russian locale refinements using phrasing from ru2 (PR #113)',
+      'Gapless manual skip: honor user-initiated play over pre-chained track (PR #119)',
+      'Hot playback cache — queue prefetch (PR #123)',
+      'Per-server music folder filter and sidebar library picker (PR #124, PR #125)',
+      'Richer star ratings, skip threshold, and library filtering (PR #130)',
+      'Statistics: scope album and song totals to selected music library (PR #138)',
+      'AudioMuse-AI discovery integration for Navidrome (PR #147)',
+      'Hot playback cache — eviction budgeting, grace period, and live Audio settings readout (PR #153)',
+      'Folder Browser: keyboard navigation, context menus, now-playing path emphasis, and adaptive column layout (PR #158)',
+      'Infinite queue: artist-driven candidates via Top Songs + Similar Songs with random fallback (PR #163)',
+      'Folder Browser: per-column filter with keyboard flow and Shift+Enter queue append (PR #165)',
+      'Keybindings: modifier + key chords for in-app shortcuts; fixed seek ±10s units (PR #167)',
+      'Statistics: genre insights scoped to music library, cached Subsonic fetches, localized duration formatting (PR #144)',
+      'Audio output device picker: clearer ALSA labels, duplicate disambiguation, system-default mark, live refresh (PR #173)',
+      'Folder Browser: arrow navigation blocked when modifier keys are held (PR #174)',
+      'Linux audio output device picker: stable watcher (disable false enumeration-miss resets), canonicalize ALSA name drift, ghost entry for unlisted device (PR #176)',
+      'Opus audio playback via symphonia-adapter-libopus with bundled libopus (PR #183)',
+      'CLI player controls with D-Bus forwarding, shell completions for bash/zsh, library/audio-device/instant-mix CLI commands, active server switcher in header (PR #187)',
+      'Streaming playback stability: stream-first start, seek recovery, crossfade/gapless backup preload, hot-cache promotion (PR #200)',
+      'ReplayGain values in Queue tech strip (PR #196)',
+      'Playback source badge (offline / cache / stream) in Queue tech strip (PR #201)',
+      'WebKitGTK wheel scroll mode: smooth (kinetic) default with optional linear toggle (PR #207)',
+      'ArtistCardLocal i18n: use plural-aware artists.albumCount key instead of hardcoded German',
+      'NixOS / flake install guide with Cachix setup (PR #209)',
+      'Subsonic: align Rust HTTP UA with main WebView UA (PR #235)',
+      'UI: overlay scrollbars, resizer hit-test, and Linux mini-wheel (PR #255)',
+      'Server invites: magic-string paste, Navidrome admin share, add-user validation (PR #258)',
+      'Library deep links (psysonic2 scheme) — paste track/album/artist/queue (PR #261)',
+      'Linux: stop Wayland GTK drag proxy and PsyDnD ghost (PR #268)',
+      'Sidebar: long-press drag to reorder and hide nav items (PR #269)',
+      'Lucky Mix — instant queue from listening history, ratings, and AudioMuse similar tracks (PR #278)',
+      'UI perf: fix spike when medulla-perch lines up with hair-fan gestures (PR #283)',
+      'Navidrome smart playlists workflow in the Playlists page (PR #289)',
+      'Loudness normalization — LUFS / EBU R128 analysis cache + persistent waveform store (PR #315)',
+      'Queue resize handle: no longer blocked by main scroll hit-test (PR #324)',
+      'LUFS loop stabilization, serialized CPU seed work, mixed mean/peak waveform bins (PR #326)',
+      'Queue undo/redo — hotkeys, playback-aware restore, scroll restoration (PR #331)',
+      'Lucky Mix + mix rating filter (Navidrome / OpenSubsonic) (PR #332)',
+      'Loudness: target sync, effective pre-analysis trim, queue/settings copy (PR #333)',
+      'CLI logs mode with tail/follow and shell completions (PR #337)',
+      'Player: reserve preview row space in delay modal (PR #344)',
+      'Infinite queue: respect rating filter in top-up (PR #357)',
+      'NixOS install guide refresh for channels and CI (PR #380)',
+      'UI refinements — sidebar discovery indicators, adaptive header, interaction polish (PR #397)',
+      'Queue: drag rows outside to remove with trash ghost (PR #420)',
+      'Tauri: modularize audio and lib command layers (PR #422)',
+      'Shortcuts: action registry, dynamic CLI help, 9 new input targets + F1 help binding (PR #435)',
+      'Environment upgrade & hot-cache playback — replay via RAM/disk on same-track and queue-end resume, playback-source icon stays correct after resume/undo/gapless, sidebar new-releases 500-id cap merge, Windows tray double-click fix, lazy-loaded routes, rodio 0.22 migration (PR #463)',
+      'Audio: post-sleep stream recovery (Windows + Linux) with poll-gap-armed stall watchdog; preview seekbar freeze + anti-jump on preview end; remove card hover lift and per-card GPU compositing hints (PR #476)',
+      'Analysis queue control: prune stale http-backfill / cpu-seed jobs when tracks leave the playback queue, cap loudness backfill warmup to current + next 5 tracks, plus debug counters for diagnostics (PR #480)',
+    ],
+  },
+  {
+    github: 'kilyabin',
+    since: '1.34.0',
+    contributions: [
+      'Russian locale improvements (PR #107, PR #120)',
+      'Auto-install script for Debian / RHEL (PR #121)',
+      'Album cover art in Discord Rich Presence via iTunes API (PR #111)',
+      'Tiling WM detection: hide custom TitleBar on Hyprland/Sway/i3/etc. (PR #134)',
+      'Russian translation: lyricsServerFirst settings strings (PR #140)',
+      'Russian translation refinements (PR #148)',
+      'Merge Random Mix & Albums into a single Build a Mix hub (PR #155)',
+      'Fullscreen player: software-rendering performance fixes + portrait toggle & dimming setting (PR #156)',
+      'Fullscreen player: stop mesh blob and portrait animations in no-compositing mode; remove seekbar box-shadow repaint (PR #175)',
+      'Apple Music-style scrolling lyrics with spring-physics scroll for fullscreen player and sidebar; per-style controls (PR #205)',
+      'Golos Text and Unbounded fonts with Cyrillic support (PR #206)',
+      'Fullscreen & sidebar lyrics: duration-based ease-out scroll animator replacing spring physics; bottom fade for plain lyrics (PR #214)',
+      'Sidebar lyrics: YouLy+ source strings render in a single line (PR #215)',
+    ],
+  },
+  {
+    github: 'kveld9',
+    since: '1.34.4',
+    contributions: [
+      'Spanish (es) translation — 964 strings (PR #159)',
+      'Column-header sorting for albums & playlists (PR #160)',
+      'Multi-select for albums, artists & playlists with bulk "Add to Playlist"; collapsible sidebar playlist section; infinite scroll on Artists page; "Remove from Playlist" in context menu (PR #168)',
+      '3 visual toggles: cover art background, playlist cover photo, show bitrate badge (PR #181)',
+      '8 community themes (AMOLED Black, Monochrome Dark, Amber Night, Phosphor Green, Midnight Blue, Rose Dark, Sepia Dark, Ice Blue) + waveform live theme update (PR #182)',
+      'Favorites redesign: sortable columns, genre filter, age range filter, new columns (PR #184)',
+      'Albums and playlist headers redesign with improved layout and theme integration (PR #186)',
+      'Tracklist column picker overflow fix in AlbumTrackList (PR #188)',
+      'Spotify CSV playlist import (PR #190)',
+      'Context menu for songs in AdvancedSearch and SearchResults (PR #191)',
+      'Tracklist column picker alignment and toggle fix across Favorites and PlaylistDetail (PR #192)',
+      'CSV import: dynamic match threshold, cleaned title search, score display in report (PR #199)',
+      'Discord Rich Presence: configurable text templates for details, state and album tooltip (PR #198)',
+      'Click-to-toggle duration / remaining time in player bar with persisted preference (PR #212)',
+      'Opt-in floating player bar with themed background, accent-colored border, rounded album art, and centered volume section (PR #216)',
+      'Linux GPU-vendor auto-detection to configure the WebKitGTK DMA-BUF renderer (disabled on NVIDIA proprietary) (PR #217)',
+      'Artist page: continue playback when starting top songs (PR #220)',
+      'Floating player bar: scroll-padding fix (PR #221)',
+      'Queue Panel — position counter, tri-state duration toggle (total/remaining/ETA), persistent Now Playing collapse, animated EQ indicator (PR #419)',
+      'Community themes — redesign pass: removed 5 overlapping / eye-straining palettes, added 8 new dark themes (Obsidian Black, Carbon Grey, Volcanic Dark, Forest Green, Violet Haze, Copper Oxide, Sakura Night, Obsidian Gold) (PR #490)',
+      'Customizable queue toolbar — drag-and-drop button reordering, per-button visibility toggles, optional separator, persisted across restarts (PR #534)',
+    ],
+  },
+  {
+    github: 'nisrael',
+    since: '1.34.0',
+    contributions: [
+      'Nightfox.nvim theme group in Open Source Classics (PR #114)',
+      'Switch reqwest to rustls-tls for cross-platform TLS (PR #112)',
+      'ICY stream metadata & AzuraCast Now Playing support (PR #146)',
+    ],
+  },
+  {
+    github: 'peri4ko',
+    since: '1.43.0',
+    contributions: [
+      'WebView2 idle hooks when Tauri windows are hidden — Windows GPU and compositor mitigation (PR #273)',
+    ],
+  },
+  {
+    github: 'Sayykii',
+    since: '1.46.0',
+    contributions: [
+      'Discord Rich Presence: cover art from your own server (Subsonic getAlbumInfo2) with three-way picker — none / server / Apple Music (PR #462)',
+      'Artist page: group albums by OpenSubsonic releaseTypes (Album / EP / Single / Compilation / Live / Soundtrack / Remix) with deterministic order and i18n section headers in all 8 locales (PR #471)',
+    ],
+  },
+  {
+    github: 'Psychotoxical',
+    since: '1.0.0',
+    contributions: [
+      'Initial app scaffold — Tauri v2 + React + Zustand + Subsonic protocol, multi-server auth (v1.0)',
+      'Rust/rodio audio engine replacing Howler.js (v1.2)',
+      'Waveform seekbar, MilkDrop visualizer, EQ bars (v1.3)',
+      '10-band parametric equalizer with per-theme UI (v1.5)',
+      'Replay Gain, Crossfade, Download Folder Modal (v1.6)',
+      'Last.fm scrobbling, Similar Artists, Statistics page (v1.7)',
+      'TooltipPortal + CustomSelect portal-based UI primitives (v1.7)',
+      'Keybindings system + font picker (v1.9)',
+      'Lyrics system with LRCLIB integration (v1.12)',
+      'Queue management overhaul + DnD (v1.22)',
+      'Advanced Search + Genre Mix overhaul (v1.23)',
+      'Playlist Management — create/edit/cover upload, drag reorder (v1.24)',
+      'Functional tray icon, Minimize to Tray, Sidebar customization (v1.25)',
+      'Bulk Select, Song Info modal, Recently Played (v1.26)',
+      'In-App Auto-Update + Configurable Home (v1.27)',
+      'Infinite Queue + Start Radio + single-click play (v1.28)',
+      'Internet Radio with fast-start, ICY metadata support (v1.29)',
+      'Discord Rich Presence, offline bulk download, artist images, lazy loading (v1.30)',
+      'AutoEQ integration, resizable tracklist columns (v1.31)',
+      'Genre browser with filter + FLAC seek fix (v1.20)',
+      'Fullscreen Player with dynamic accent color + mesh blobs (v1.34)',
+      'Bit-perfect hi-res playback + underrun hardening (v1.34)',
+      'Fullscreen lyrics overlay with FsArt crossfade (v1.34.1)',
+      'Offline Mode (beta) + MPRIS seek (v1.18)',
+      'NSIS Windows installer (v1.19)',
+      'WCAG contrast audits across 60+ themes (v1.17-v1.34)',
+      'Custom Linux title bar with now-playing display (v1.34)',
+      'Device Sync — fixed cross-OS naming scheme + playlist folders (v1.40)',
+      'macOS signing + notarization + Tauri auto-updater (v1.40)',
+      'Mini player — floating window, custom titlebar, queue DnD, persistent geometry, keyboard shortcut, WebView2 lifecycle fix (PR #162, v1.42.x)',
+      '67 themes across 8 groups (Mediaplayer, OS, Games, Movies, Series, Social Media, OSS Classics, Psysonic)',
+      'Admin-gated User Management tab with per-user library assignment (PR #222)',
+      'Comprehensive mobile UI overhaul (PR #238)',
+      'Runtime log levels and debug log export (PR #241)',
+      'ReplayGain Auto mode — picks track vs album gain from queue context (PR #242)',
+      'Now-Playing Info tab with artist bio, song credits, Bandsintown tour dates (PR #244)',
+      'Performance suite — search cover cache, DeviceSync N+1, Albums prefetch, Lyrics IDB, bundle splitting, Artists memo, Genres pagination (PRs #245-#251)',
+      'Artist page — user-configurable section visibility and order (PR #254)',
+      'Album enqueue via cover hover, context menu, multi-select toolbar (PR #256)',
+      'Settings refactor — thematic tab regroup, accordion sub-sections, in-page search (PR #259)',
+      'Navidrome admin API hardening (PR #260)',
+      'Now-Playing redesign as info dashboard + draggable widget cards (PRs #266, #267)',
+      'Sleep timer — circular ring + in-button countdown (PR #272)',
+      'Streaming seek UI freeze + snapback fix (PR #236)',
+      'Windows: tighten WebView2 idle hooks (follow-up to #273) (PR #276)',
+      'Audio: defer chained-track volume to gapless transition (PR #277)',
+      'Mini-player: portal volume popover so it cannot get clipped (PR #279)',
+      'Mini-player: drop saved position when its monitor is gone (PR #280)',
+      'Toolbar: swap Gapless / Infinite Queue icons (closes #274) (PR #284)',
+      'Linux audio: prefer PipeWire / Pulse aliases over raw ALSA default (PR #288)',
+      'Playlists: bulk-delete button in selection-mode header (PR #290)',
+      'Home: refresh Mainstage when active server changes (PR #291)',
+      'Search: enqueue on live-search click + reposition context menu on right-click (PR #298)',
+      'Tracks library hub page (closes #299) (PR #300)',
+      'Home: Discover Songs rail in Mainstage (PR #301)',
+      'Search: right-click context menu on artist and album rows (PR #302)',
+      'Unified SongRow + paginated song results in search pages (PR #303)',
+      'Orbit — Multi-User Listen-Together merged to main (PR #304)',
+      'Genres: tag-cloud refactor — log-scaled colour-tinted pills replace icon cards (PR #311)',
+      'imageCache: per-component object URLs to fix the blob: load flood (PR #313)',
+      'Queue: preserve scroll context on manual click (PR #314)',
+      'Seekbar: split waveform style into truewave (analysed) + pseudowave (deterministic) (PR #316)',
+      'Settings: restructure Normalization section for clarity (PR #317)',
+      'Cross-device resume: flush play-queue position on pause + all exit paths (PR #318)',
+      'Login: language picker on the login page (PR #328)',
+      'Playlists: confirm before re-adding songs already in the playlist (PR #329)',
+      'Discord: debug-build logging for Rich Presence IPC path (PR #330)',
+      'Player: persist queue panel visibility + drop dead loudness binding (PR #336)',
+      'Playlists: suggestion-row preview UX (PR #365)',
+      'macOS: Equalizer canvas blanking fix when laid-out dimensions are missing (PR #384)',
+      'Themes: Kanagawa, Atom One and 1984 palettes; OSS Classics regrouped by family (PR #390)',
+      'Rust track preview engine + player-bar preview indicator with smart stop semantics (PRs #392, #394)',
+      'Tray: now-playing track tooltip + i18n menu labels (PR #395)',
+      'Preview: audio start sync, ring animation, download timeout (PR #423)',
+      'Statistics: shareable Top-Albums card export (PR #425)',
+      'Windows: playback stutter under GPU load — MMCSS Pro Audio promotion + animation pause + reduce-animations toggle (PR #426)',
+      'Audio: frame-align gapless-off track-separation silence (fixes mono-channel playback after natural track end) (PR #439)',
+      'Settings: 3-state animation mode (Full / Reduced / Static) — replaces boolean reduce-animations toggle (PR #441)',
+      'Tracks: Highly Rated rail and per-card star display, with cache layer for ndListSongs (PR #443)',
+      'Random Mix: playlist-size picker (50/75/100/125/150) and filter-panel layout cleanup (PR #445)',
+      'Queue: optional "Preserve Play Next order" toggle — multiple Play Next inserts queue up behind each other instead of latest-on-top (PR #464)',
+      'Library: "favorites only" filter on Albums, Artists and Advanced Search — toolbar toggle reading star overrides live (PR #466)',
+      'Settings: keep current active server when adding a new one — no more auto-switch interrupting playback or library context (PR #475)',
+      'Help page: full rewrite with 45 focused entries across 10 themed sections (Getting Started / Playback & Queue / Audio Tools / Library & Discovery / Lyrics / Sharing & Social / Personalization / Power User / Offline & Sync / Integrations & Troubleshooting), in-page live search with case-insensitive substring matching and auto-expand on hits, translated to all 8 locales (PR #485)',
+      'Library: Browse by Composer — native-API role listing for classical libraries, library-scoped queries, composer as a first-class share entity (PR #487)',
+      'Home: "Because you listened" recommendation rail — Last.fm-anchored similar-artist surfacing with round-robin anchor rotation per server (PR #489)',
+      'Song Info: absolute file path on Navidrome via native /api/song/{id} — Subsonic only ever returned a relative path (or none on Navidrome), the native endpoint surfaces the full server-side location (PR #504)',
+      'Home: Lossless Albums rail + dedicated /lossless-albums page with infinite scroll and header parity (selection mode, enqueue, offline, download ZIPs), streaming load via per-fetch onProgress, sidebar entry default visible, detection via Navidrome native bit_depth-sorted song cursor with always-lossless suffix allowlist (PR #506)',
+      'Accessibility: OpenDyslexic font option in the Settings picker — bundled locally via @fontsource/opendyslexic, asymmetric glyph shapes for easier b/d, p/q tracking, Latin-only with translated subtitle in all 8 locales calling out the dyslexia-friendly intent and the Cyrillic/CJK fallback (PR #507)',
+    ],
+  },
+] as const;
+
+export const MAINTAINERS = [
+  { github: 'Psychotoxical' },
+  { github: 'cucadmuh' },
+] as const;
diff --git a/src/pages/Settings.tsx b/src/pages/Settings.tsx
index 2776daff..163359e4 100644
--- a/src/pages/Settings.tsx
+++ b/src/pages/Settings.tsx
@@ -45,11 +45,16 @@ import { AddServerForm } from '../components/settings/AddServerForm';
 import { ArtistLayoutCustomizer } from '../components/settings/ArtistLayoutCustomizer';
 import { BackupSection } from '../components/settings/BackupSection';
 import { HomeCustomizer } from '../components/settings/HomeCustomizer';
+import { LoudnessLufsButtonGroup } from '../components/settings/LoudnessLufsButtonGroup';
 import { LyricsSourcesCustomizer } from '../components/settings/LyricsSourcesCustomizer';
 import { QueueToolbarCustomizer } from '../components/settings/QueueToolbarCustomizer';
 import { ServerGripHandle } from '../components/settings/ServerGripHandle';
+import { SETTINGS_INDEX, type Tab, matchScore, resolveTab } from '../components/settings/settingsTabs';
 import { SidebarCustomizer } from '../components/settings/SidebarCustomizer';
 import { UserManagementSection } from '../components/settings/UserManagementSection';
+import { CONTRIBUTORS, MAINTAINERS } from '../config/settingsCredits';
+import { buildAudioDeviceSelectOptions, formatAudioDeviceLabel, sortAudioDeviceIds } from '../utils/audioDeviceLabels';
+import { formatBytes, snapHotCacheMb } from '../utils/formatBytes';
 import { pingWithCredentials, scheduleInstantMixProbeForServer } from '../api/subsonic';
 import { ndLogin } from '../api/navidromeAdmin';
 import { switchActiveServer } from '../utils/switchActiveServer';
@@ -65,526 +70,6 @@ const AUDIOBOOK_GENRES_DISPLAY = ['Hörbuch', 'Hoerbuch', 'Hörspiel', 'Hoerspie
 
 const AUDIOMUSE_NV_PLUGIN_URL = 'https://github.com/NeptuneHub/AudioMuse-AI-NV-plugin';
 
-const LOUDNESS_LUFS_BUTTON_ORDER: LoudnessLufsPreset[] = [-10, -12, -14, -16];
-
-function LoudnessLufsButtonGroup(props: {
-  value: LoudnessLufsPreset;
-  onSelect: (v: LoudnessLufsPreset) => void;
-}) {
-  return (
-    <div style={{ display: 'flex', alignItems: 'center', gap: '0.35rem', flexWrap: 'wrap' }}>
-      {LOUDNESS_LUFS_BUTTON_ORDER.map(v => (
-        <button
-          key={v}
-          type="button"
-          className={`btn ${props.value === v ? 'btn-primary' : 'btn-ghost'}`}
-          style={{ fontSize: 12, padding: '3px 12px' }}
-          onClick={() => props.onSelect(v)}
-        >
-          {v}
-        </button>
-      ))}
-    </div>
-  );
-}
-
-const CONTRIBUTORS = [
-  {
-    github: 'jiezhuo',
-    since: '1.21',
-    contributions: [
-      'Chinese (Simplified) translation',
-    ],
-  },
-  {
-    github: 'nullobject',
-    since: '1.22.0',
-    contributions: [
-      'Seek debounce & race condition fix (PR #7)',
-      'Waveform seekbar stability on position update (PR #8)',
-    ],
-  },
-  {
-    github: 'trbn1',
-    since: '1.22.0',
-    contributions: [
-      'Replay Gain metadata propagation (PR #9)',
-      'songToTrack() — unified track construction across all sources',
-    ],
-  },
-  {
-    github: 'nisarg-78',
-    since: '1.29.0',
-    contributions: [
-      'Click-to-seek in synced lyrics (PR #38)',
-      'Volume scroll wheel on volume slider (PR #38)',
-      'Lyrics line visual states: active / completed / upcoming (PR #38)',
-      'Queue auto-scroll to keep upcoming tracks in view; fixed re-renders from currentTime in QueuePanel (PR #115)',
-    ],
-  },
-  {
-    github: 'JulianNymark',
-    since: '1.29.0',
-    contributions: [
-      'OGG/Vorbis container support via symphonia-format-ogg (PR #42)',
-      'Themed toast notifications for audio playback errors (PR #43)',
-      'Human-readable audio error messages (PR #44)',
-    ],
-  },
-  {
-    github: 'zz5zz',
-    since: '1.32.0',
-    contributions: [
-      'Norwegian (Bokmål) translation (PR #101)',
-    ],
-  },
-  {
-    github: 'cucadmuh',
-    since: '1.33.0',
-    contributions: [
-      'Russian translation & i18n locale split (PR #106)',
-      'Russian locale refinements using phrasing from ru2 (PR #113)',
-      'Gapless manual skip: honor user-initiated play over pre-chained track (PR #119)',
-      'Hot playback cache — queue prefetch (PR #123)',
-      'Per-server music folder filter and sidebar library picker (PR #124, PR #125)',
-      'Richer star ratings, skip threshold, and library filtering (PR #130)',
-      'Statistics: scope album and song totals to selected music library (PR #138)',
-      'AudioMuse-AI discovery integration for Navidrome (PR #147)',
-      'Hot playback cache — eviction budgeting, grace period, and live Audio settings readout (PR #153)',
-      'Folder Browser: keyboard navigation, context menus, now-playing path emphasis, and adaptive column layout (PR #158)',
-      'Infinite queue: artist-driven candidates via Top Songs + Similar Songs with random fallback (PR #163)',
-      'Folder Browser: per-column filter with keyboard flow and Shift+Enter queue append (PR #165)',
-      'Keybindings: modifier + key chords for in-app shortcuts; fixed seek ±10s units (PR #167)',
-      'Statistics: genre insights scoped to music library, cached Subsonic fetches, localized duration formatting (PR #144)',
-      'Audio output device picker: clearer ALSA labels, duplicate disambiguation, system-default mark, live refresh (PR #173)',
-      'Folder Browser: arrow navigation blocked when modifier keys are held (PR #174)',
-      'Linux audio output device picker: stable watcher (disable false enumeration-miss resets), canonicalize ALSA name drift, ghost entry for unlisted device (PR #176)',
-      'Opus audio playback via symphonia-adapter-libopus with bundled libopus (PR #183)',
-      'CLI player controls with D-Bus forwarding, shell completions for bash/zsh, library/audio-device/instant-mix CLI commands, active server switcher in header (PR #187)',
-      'Streaming playback stability: stream-first start, seek recovery, crossfade/gapless backup preload, hot-cache promotion (PR #200)',
-      'ReplayGain values in Queue tech strip (PR #196)',
-      'Playback source badge (offline / cache / stream) in Queue tech strip (PR #201)',
-      'WebKitGTK wheel scroll mode: smooth (kinetic) default with optional linear toggle (PR #207)',
-      'ArtistCardLocal i18n: use plural-aware artists.albumCount key instead of hardcoded German',
-      'NixOS / flake install guide with Cachix setup (PR #209)',
-      'Subsonic: align Rust HTTP UA with main WebView UA (PR #235)',
-      'UI: overlay scrollbars, resizer hit-test, and Linux mini-wheel (PR #255)',
-      'Server invites: magic-string paste, Navidrome admin share, add-user validation (PR #258)',
-      'Library deep links (psysonic2 scheme) — paste track/album/artist/queue (PR #261)',
-      'Linux: stop Wayland GTK drag proxy and PsyDnD ghost (PR #268)',
-      'Sidebar: long-press drag to reorder and hide nav items (PR #269)',
-      'Lucky Mix — instant queue from listening history, ratings, and AudioMuse similar tracks (PR #278)',
-      'UI perf: fix spike when medulla-perch lines up with hair-fan gestures (PR #283)',
-      'Navidrome smart playlists workflow in the Playlists page (PR #289)',
-      'Loudness normalization — LUFS / EBU R128 analysis cache + persistent waveform store (PR #315)',
-      'Queue resize handle: no longer blocked by main scroll hit-test (PR #324)',
-      'LUFS loop stabilization, serialized CPU seed work, mixed mean/peak waveform bins (PR #326)',
-      'Queue undo/redo — hotkeys, playback-aware restore, scroll restoration (PR #331)',
-      'Lucky Mix + mix rating filter (Navidrome / OpenSubsonic) (PR #332)',
-      'Loudness: target sync, effective pre-analysis trim, queue/settings copy (PR #333)',
-      'CLI logs mode with tail/follow and shell completions (PR #337)',
-      'Player: reserve preview row space in delay modal (PR #344)',
-      'Infinite queue: respect rating filter in top-up (PR #357)',
-      'NixOS install guide refresh for channels and CI (PR #380)',
-      'UI refinements — sidebar discovery indicators, adaptive header, interaction polish (PR #397)',
-      'Queue: drag rows outside to remove with trash ghost (PR #420)',
-      'Tauri: modularize audio and lib command layers (PR #422)',
-      'Shortcuts: action registry, dynamic CLI help, 9 new input targets + F1 help binding (PR #435)',
-      'Environment upgrade & hot-cache playback — replay via RAM/disk on same-track and queue-end resume, playback-source icon stays correct after resume/undo/gapless, sidebar new-releases 500-id cap merge, Windows tray double-click fix, lazy-loaded routes, rodio 0.22 migration (PR #463)',
-      'Audio: post-sleep stream recovery (Windows + Linux) with poll-gap-armed stall watchdog; preview seekbar freeze + anti-jump on preview end; remove card hover lift and per-card GPU compositing hints (PR #476)',
-      'Analysis queue control: prune stale http-backfill / cpu-seed jobs when tracks leave the playback queue, cap loudness backfill warmup to current + next 5 tracks, plus debug counters for diagnostics (PR #480)',
-    ],
-  },
-  {
-    github: 'kilyabin',
-    since: '1.34.0',
-    contributions: [
-      'Russian locale improvements (PR #107, PR #120)',
-      'Auto-install script for Debian / RHEL (PR #121)',
-      'Album cover art in Discord Rich Presence via iTunes API (PR #111)',
-      'Tiling WM detection: hide custom TitleBar on Hyprland/Sway/i3/etc. (PR #134)',
-      'Russian translation: lyricsServerFirst settings strings (PR #140)',
-      'Russian translation refinements (PR #148)',
-      'Merge Random Mix & Albums into a single Build a Mix hub (PR #155)',
-      'Fullscreen player: software-rendering performance fixes + portrait toggle & dimming setting (PR #156)',
-      'Fullscreen player: stop mesh blob and portrait animations in no-compositing mode; remove seekbar box-shadow repaint (PR #175)',
-      'Apple Music-style scrolling lyrics with spring-physics scroll for fullscreen player and sidebar; per-style controls (PR #205)',
-      'Golos Text and Unbounded fonts with Cyrillic support (PR #206)',
-      'Fullscreen & sidebar lyrics: duration-based ease-out scroll animator replacing spring physics; bottom fade for plain lyrics (PR #214)',
-      'Sidebar lyrics: YouLy+ source strings render in a single line (PR #215)',
-    ],
-  },
-  {
-    github: 'kveld9',
-    since: '1.34.4',
-    contributions: [
-      'Spanish (es) translation — 964 strings (PR #159)',
-      'Column-header sorting for albums & playlists (PR #160)',
-      'Multi-select for albums, artists & playlists with bulk "Add to Playlist"; collapsible sidebar playlist section; infinite scroll on Artists page; "Remove from Playlist" in context menu (PR #168)',
-      '3 visual toggles: cover art background, playlist cover photo, show bitrate badge (PR #181)',
-      '8 community themes (AMOLED Black, Monochrome Dark, Amber Night, Phosphor Green, Midnight Blue, Rose Dark, Sepia Dark, Ice Blue) + waveform live theme update (PR #182)',
-      'Favorites redesign: sortable columns, genre filter, age range filter, new columns (PR #184)',
-      'Albums and playlist headers redesign with improved layout and theme integration (PR #186)',
-      'Tracklist column picker overflow fix in AlbumTrackList (PR #188)',
-      'Spotify CSV playlist import (PR #190)',
-      'Context menu for songs in AdvancedSearch and SearchResults (PR #191)',
-      'Tracklist column picker alignment and toggle fix across Favorites and PlaylistDetail (PR #192)',
-      'CSV import: dynamic match threshold, cleaned title search, score display in report (PR #199)',
-      'Discord Rich Presence: configurable text templates for details, state and album tooltip (PR #198)',
-      'Click-to-toggle duration / remaining time in player bar with persisted preference (PR #212)',
-      'Opt-in floating player bar with themed background, accent-colored border, rounded album art, and centered volume section (PR #216)',
-      'Linux GPU-vendor auto-detection to configure the WebKitGTK DMA-BUF renderer (disabled on NVIDIA proprietary) (PR #217)',
-      'Artist page: continue playback when starting top songs (PR #220)',
-      'Floating player bar: scroll-padding fix (PR #221)',
-      'Queue Panel — position counter, tri-state duration toggle (total/remaining/ETA), persistent Now Playing collapse, animated EQ indicator (PR #419)',
-      'Community themes — redesign pass: removed 5 overlapping / eye-straining palettes, added 8 new dark themes (Obsidian Black, Carbon Grey, Volcanic Dark, Forest Green, Violet Haze, Copper Oxide, Sakura Night, Obsidian Gold) (PR #490)',
-      'Customizable queue toolbar — drag-and-drop button reordering, per-button visibility toggles, optional separator, persisted across restarts (PR #534)',
-    ],
-  },
-  {
-    github: 'nisrael',
-    since: '1.34.0',
-    contributions: [
-      'Nightfox.nvim theme group in Open Source Classics (PR #114)',
-      'Switch reqwest to rustls-tls for cross-platform TLS (PR #112)',
-      'ICY stream metadata & AzuraCast Now Playing support (PR #146)',
-    ],
-  },
-  {
-    github: 'peri4ko',
-    since: '1.43.0',
-    contributions: [
-      'WebView2 idle hooks when Tauri windows are hidden — Windows GPU and compositor mitigation (PR #273)',
-    ],
-  },
-  {
-    github: 'Sayykii',
-    since: '1.46.0',
-    contributions: [
-      'Discord Rich Presence: cover art from your own server (Subsonic getAlbumInfo2) with three-way picker — none / server / Apple Music (PR #462)',
-      'Artist page: group albums by OpenSubsonic releaseTypes (Album / EP / Single / Compilation / Live / Soundtrack / Remix) with deterministic order and i18n section headers in all 8 locales (PR #471)',
-    ],
-  },
-  {
-    github: 'Psychotoxical',
-    since: '1.0.0',
-    contributions: [
-      'Initial app scaffold — Tauri v2 + React + Zustand + Subsonic protocol, multi-server auth (v1.0)',
-      'Rust/rodio audio engine replacing Howler.js (v1.2)',
-      'Waveform seekbar, MilkDrop visualizer, EQ bars (v1.3)',
-      '10-band parametric equalizer with per-theme UI (v1.5)',
-      'Replay Gain, Crossfade, Download Folder Modal (v1.6)',
-      'Last.fm scrobbling, Similar Artists, Statistics page (v1.7)',
-      'TooltipPortal + CustomSelect portal-based UI primitives (v1.7)',
-      'Keybindings system + font picker (v1.9)',
-      'Lyrics system with LRCLIB integration (v1.12)',
-      'Queue management overhaul + DnD (v1.22)',
-      'Advanced Search + Genre Mix overhaul (v1.23)',
-      'Playlist Management — create/edit/cover upload, drag reorder (v1.24)',
-      'Functional tray icon, Minimize to Tray, Sidebar customization (v1.25)',
-      'Bulk Select, Song Info modal, Recently Played (v1.26)',
-      'In-App Auto-Update + Configurable Home (v1.27)',
-      'Infinite Queue + Start Radio + single-click play (v1.28)',
-      'Internet Radio with fast-start, ICY metadata support (v1.29)',
-      'Discord Rich Presence, offline bulk download, artist images, lazy loading (v1.30)',
-      'AutoEQ integration, resizable tracklist columns (v1.31)',
-      'Genre browser with filter + FLAC seek fix (v1.20)',
-      'Fullscreen Player with dynamic accent color + mesh blobs (v1.34)',
-      'Bit-perfect hi-res playback + underrun hardening (v1.34)',
-      'Fullscreen lyrics overlay with FsArt crossfade (v1.34.1)',
-      'Offline Mode (beta) + MPRIS seek (v1.18)',
-      'NSIS Windows installer (v1.19)',
-      'WCAG contrast audits across 60+ themes (v1.17-v1.34)',
-      'Custom Linux title bar with now-playing display (v1.34)',
-      'Device Sync — fixed cross-OS naming scheme + playlist folders (v1.40)',
-      'macOS signing + notarization + Tauri auto-updater (v1.40)',
-      'Mini player — floating window, custom titlebar, queue DnD, persistent geometry, keyboard shortcut, WebView2 lifecycle fix (PR #162, v1.42.x)',
-      '67 themes across 8 groups (Mediaplayer, OS, Games, Movies, Series, Social Media, OSS Classics, Psysonic)',
-      'Admin-gated User Management tab with per-user library assignment (PR #222)',
-      'Comprehensive mobile UI overhaul (PR #238)',
-      'Runtime log levels and debug log export (PR #241)',
-      'ReplayGain Auto mode — picks track vs album gain from queue context (PR #242)',
-      'Now-Playing Info tab with artist bio, song credits, Bandsintown tour dates (PR #244)',
-      'Performance suite — search cover cache, DeviceSync N+1, Albums prefetch, Lyrics IDB, bundle splitting, Artists memo, Genres pagination (PRs #245-#251)',
-      'Artist page — user-configurable section visibility and order (PR #254)',
-      'Album enqueue via cover hover, context menu, multi-select toolbar (PR #256)',
-      'Settings refactor — thematic tab regroup, accordion sub-sections, in-page search (PR #259)',
-      'Navidrome admin API hardening (PR #260)',
-      'Now-Playing redesign as info dashboard + draggable widget cards (PRs #266, #267)',
-      'Sleep timer — circular ring + in-button countdown (PR #272)',
-      'Streaming seek UI freeze + snapback fix (PR #236)',
-      'Windows: tighten WebView2 idle hooks (follow-up to #273) (PR #276)',
-      'Audio: defer chained-track volume to gapless transition (PR #277)',
-      'Mini-player: portal volume popover so it cannot get clipped (PR #279)',
-      'Mini-player: drop saved position when its monitor is gone (PR #280)',
-      'Toolbar: swap Gapless / Infinite Queue icons (closes #274) (PR #284)',
-      'Linux audio: prefer PipeWire / Pulse aliases over raw ALSA default (PR #288)',
-      'Playlists: bulk-delete button in selection-mode header (PR #290)',
-      'Home: refresh Mainstage when active server changes (PR #291)',
-      'Search: enqueue on live-search click + reposition context menu on right-click (PR #298)',
-      'Tracks library hub page (closes #299) (PR #300)',
-      'Home: Discover Songs rail in Mainstage (PR #301)',
-      'Search: right-click context menu on artist and album rows (PR #302)',
-      'Unified SongRow + paginated song results in search pages (PR #303)',
-      'Orbit — Multi-User Listen-Together merged to main (PR #304)',
-      'Genres: tag-cloud refactor — log-scaled colour-tinted pills replace icon cards (PR #311)',
-      'imageCache: per-component object URLs to fix the blob: load flood (PR #313)',
-      'Queue: preserve scroll context on manual click (PR #314)',
-      'Seekbar: split waveform style into truewave (analysed) + pseudowave (deterministic) (PR #316)',
-      'Settings: restructure Normalization section for clarity (PR #317)',
-      'Cross-device resume: flush play-queue position on pause + all exit paths (PR #318)',
-      'Login: language picker on the login page (PR #328)',
-      'Playlists: confirm before re-adding songs already in the playlist (PR #329)',
-      'Discord: debug-build logging for Rich Presence IPC path (PR #330)',
-      'Player: persist queue panel visibility + drop dead loudness binding (PR #336)',
-      'Playlists: suggestion-row preview UX (PR #365)',
-      'macOS: Equalizer canvas blanking fix when laid-out dimensions are missing (PR #384)',
-      'Themes: Kanagawa, Atom One and 1984 palettes; OSS Classics regrouped by family (PR #390)',
-      'Rust track preview engine + player-bar preview indicator with smart stop semantics (PRs #392, #394)',
-      'Tray: now-playing track tooltip + i18n menu labels (PR #395)',
-      'Preview: audio start sync, ring animation, download timeout (PR #423)',
-      'Statistics: shareable Top-Albums card export (PR #425)',
-      'Windows: playback stutter under GPU load — MMCSS Pro Audio promotion + animation pause + reduce-animations toggle (PR #426)',
-      'Audio: frame-align gapless-off track-separation silence (fixes mono-channel playback after natural track end) (PR #439)',
-      'Settings: 3-state animation mode (Full / Reduced / Static) — replaces boolean reduce-animations toggle (PR #441)',
-      'Tracks: Highly Rated rail and per-card star display, with cache layer for ndListSongs (PR #443)',
-      'Random Mix: playlist-size picker (50/75/100/125/150) and filter-panel layout cleanup (PR #445)',
-      'Queue: optional "Preserve Play Next order" toggle — multiple Play Next inserts queue up behind each other instead of latest-on-top (PR #464)',
-      'Library: "favorites only" filter on Albums, Artists and Advanced Search — toolbar toggle reading star overrides live (PR #466)',
-      'Settings: keep current active server when adding a new one — no more auto-switch interrupting playback or library context (PR #475)',
-      'Help page: full rewrite with 45 focused entries across 10 themed sections (Getting Started / Playback & Queue / Audio Tools / Library & Discovery / Lyrics / Sharing & Social / Personalization / Power User / Offline & Sync / Integrations & Troubleshooting), in-page live search with case-insensitive substring matching and auto-expand on hits, translated to all 8 locales (PR #485)',
-      'Library: Browse by Composer — native-API role listing for classical libraries, library-scoped queries, composer as a first-class share entity (PR #487)',
-      'Home: "Because you listened" recommendation rail — Last.fm-anchored similar-artist surfacing with round-robin anchor rotation per server (PR #489)',
-      'Song Info: absolute file path on Navidrome via native /api/song/{id} — Subsonic only ever returned a relative path (or none on Navidrome), the native endpoint surfaces the full server-side location (PR #504)',
-      'Home: Lossless Albums rail + dedicated /lossless-albums page with infinite scroll and header parity (selection mode, enqueue, offline, download ZIPs), streaming load via per-fetch onProgress, sidebar entry default visible, detection via Navidrome native bit_depth-sorted song cursor with always-lossless suffix allowlist (PR #506)',
-      'Accessibility: OpenDyslexic font option in the Settings picker — bundled locally via @fontsource/opendyslexic, asymmetric glyph shapes for easier b/d, p/q tracking, Latin-only with translated subtitle in all 8 locales calling out the dyslexia-friendly intent and the Cyrillic/CJK fallback (PR #507)',
-    ],
-  },
-] as const;
-
-const MAINTAINERS = [
-  { github: 'Psychotoxical' },
-  { github: 'cucadmuh' },
-] as const;
-
-type Tab =
-  | 'library'
-  | 'servers'
-  | 'audio'
-  | 'lyrics'
-  | 'appearance'
-  | 'personalisation'
-  | 'integrations'
-  | 'input'
-  | 'storage'
-  | 'system'
-  | 'users';
-
-// Legacy Tab-IDs die via Route-State oder persisted State noch aufschlagen koennen
-// auf die neue Struktur mappen. Gibt es keinen Match, faellt die Settings-Page
-// einfach auf 'library' zurueck.
-const LEGACY_TAB_ALIAS: Record<string, Tab> = {
-  general: 'library',
-  server: 'servers',
-};
-
-function resolveTab(input: string | undefined | null): Tab {
-  if (!input) return 'servers';
-  const aliased = LEGACY_TAB_ALIAS[input];
-  if (aliased) return aliased;
-  const known: Tab[] = ['library', 'servers', 'audio', 'lyrics', 'appearance', 'personalisation', 'integrations', 'input', 'storage', 'system', 'users'];
-  return (known as string[]).includes(input) ? (input as Tab) : 'servers';
-}
-
-// Statischer Suchindex ueber alle Sub-Sections aller Tabs. Mitpflegen, wenn eine
-// neue SettingsSubSection hinzukommt — sonst taucht sie nicht in der Suche auf.
-type SearchIndexEntry = { tab: Tab; titleKey: string; keywords?: string };
-const SETTINGS_INDEX: SearchIndexEntry[] = [
-  { tab: 'audio',          titleKey: 'settings.audioOutputDevice',        keywords: 'output device speakers headphones alsa wasapi coreaudio' },
-  { tab: 'audio',          titleKey: 'settings.hiResTitle',               keywords: 'hi-res hires resampling bit depth sample rate dsd 24bit' },
-  { tab: 'audio',          titleKey: 'settings.eqTitle',                  keywords: 'equalizer eq bass treble autoeq filter pre-gain' },
-  { tab: 'audio',          titleKey: 'settings.playbackTitle',            keywords: 'playback crossfade gapless replaygain replay gain volume' },
-  { tab: 'lyrics',         titleKey: 'settings.lyricsSourcesTitle',       keywords: 'lyrics sources providers lrclib netease server youlyplus karaoke standard static' },
-  { tab: 'lyrics',         titleKey: 'settings.sidebarLyricsStyle',       keywords: 'lyrics scroll style classic apple music' },
-  { tab: 'integrations',   titleKey: 'settings.lfmTitle',                 keywords: 'last.fm lastfm scrobble' },
-  { tab: 'integrations',   titleKey: 'settings.discordRichPresence',      keywords: 'discord rich presence rpc' },
-  { tab: 'integrations',   titleKey: 'settings.enableBandsintown',        keywords: 'bandsintown concerts tours events' },
-  { tab: 'integrations',   titleKey: 'settings.nowPlayingEnabled',        keywords: 'now playing share dropdown presence' },
-  { tab: 'personalisation',titleKey: 'settings.sidebarTitle',             keywords: 'sidebar nav navigation items reorder customize' },
-  { tab: 'personalisation',titleKey: 'settings.artistLayoutTitle',        keywords: 'artist page layout sections order' },
-  { tab: 'personalisation',titleKey: 'settings.homeCustomizerTitle',      keywords: 'home page customize sections' },
-  { tab: 'personalisation',titleKey: 'settings.queueToolbarTitle',        keywords: 'queue toolbar buttons reorder customize shuffle save load' },
-  { tab: 'library',        titleKey: 'settings.randomMixTitle',           keywords: 'random mix blacklist genre keywords filter audiobook' },
-  { tab: 'library',        titleKey: 'settings.ratingsSectionTitle',      keywords: 'ratings stars skip threshold manual' },
-  { tab: 'storage',        titleKey: 'settings.offlineDirTitle',          keywords: 'offline library download directory folder cache' },
-  { tab: 'storage',        titleKey: 'settings.nextTrackBufferingTitle',  keywords: 'next track buffering preload hot cache streaming' },
-  { tab: 'storage',        titleKey: 'settings.downloadsTitle',           keywords: 'downloads zip export archive folder' },
-  { tab: 'appearance',     titleKey: 'settings.theme',                    keywords: 'theme color palette dark light' },
-  { tab: 'appearance',     titleKey: 'settings.themeSchedulerTitle',      keywords: 'theme scheduler auto time dark mode sunset' },
-  { tab: 'appearance',     titleKey: 'settings.visualOptionsTitle',       keywords: 'visual options animations effects titlebar mini player' },
-  { tab: 'appearance',     titleKey: 'settings.uiScaleTitle',             keywords: 'ui scale zoom dpi size' },
-  { tab: 'appearance',     titleKey: 'settings.font',                     keywords: 'font typography typeface' },
-  { tab: 'appearance',     titleKey: 'settings.fsPlayerSection',          keywords: 'fullscreen player mesh blob' },
-  { tab: 'appearance',     titleKey: 'settings.seekbarStyle',             keywords: 'seekbar progress bar waveform reduced animations performance gpu fps low-end framerate cap' },
-  { tab: 'input',          titleKey: 'settings.inputKeybindingsTitle',    keywords: 'keybindings shortcuts hotkeys keyboard' },
-  { tab: 'input',          titleKey: 'settings.globalShortcutsTitle',     keywords: 'global shortcuts hotkeys system-wide media keys' },
-  { tab: 'system',         titleKey: 'settings.language',                 keywords: 'language locale translation i18n' },
-  { tab: 'system',         titleKey: 'settings.behavior',                 keywords: 'behavior tray minimize close start smooth scroll linux' },
-  { tab: 'system',         titleKey: 'settings.backupTitle',              keywords: 'backup export import settings restore' },
-  { tab: 'system',         titleKey: 'settings.loggingTitle',             keywords: 'log logs diagnostic debug verbose' },
-  { tab: 'system',         titleKey: 'settings.aboutTitle',               keywords: 'about version update changelog release notes' },
-  { tab: 'system',         titleKey: 'settings.aboutContributorsLabel',   keywords: 'contributors credits maintainers' },
-  { tab: 'system',         titleKey: 'licenses.title',                    keywords: 'licenses license open source attribution copyright third party dependencies oss' },
-];
-
-// Substring-first, Fuzzy-Fallback (alle Query-Zeichen in Reihenfolge im
-// Haystack). Rueckgabe 0 = kein Match. Hoeher = besser.
-function matchScore(haystack: string, needle: string): number {
-  if (!needle) return 0;
-  const h = haystack.toLowerCase();
-  const n = needle.toLowerCase();
-  const idx = h.indexOf(n);
-  if (idx >= 0) return 1000 - Math.min(999, idx);
-  let hi = 0;
-  for (const ch of n) {
-    const j = h.indexOf(ch, hi);
-    if (j < 0) return 0;
-    hi = j + 1;
-  }
-  return Math.max(1, 100 - Math.min(99, hi - n.length));
-}
-
-
-function formatBytes(bytes: number): string {
-  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(0)} KB`;
-  if (bytes < 1024 * 1024 * 1024) return `${(bytes / 1024 / 1024).toFixed(1)} MB`;
-  return `${(bytes / 1024 / 1024 / 1024).toFixed(2)} GB`;
-}
-
-/** Align hot-cache size slider (step 32 MB) to valid values. */
-function snapHotCacheMb(v: number): number {
-  const x = Math.min(20000, Math.max(32, Math.round(v)));
-  return Math.round((x - 32) / 32) * 32 + 32;
-}
-
-/** Makes raw ALSA device names more readable on Linux.
- *  Values are kept as-is (rodio needs the ALSA name); only the displayed label is cleaned.
- *  e.g. "sysdefault:CARD=U192k" → "U192k"
- *       "hw:CARD=U192k,DEV=0"   → "U192k (hw · PCM 0)"
- *       "hdmi:CARD=NVidia,DEV=1" → "NVidia (HDMI · DEV 1)"  (same DEV as in ALSA string)
- *       "iec958:CARD=PCH,DEV=0" → "PCH (S/PDIF)"
- *  Names without ALSA prefix (pipewire, pulse, default…) are returned unchanged. */
-function formatAudioDeviceLabel(name: string): string {
-  const cardMatch = name.match(/CARD=([^,]+)/);
-  if (!cardMatch) return name;
-  const card = cardMatch[1];
-  const devM = name.match(/DEV=(\d+)/);
-  const devNum = devM ? parseInt(devM[1], 10) : null;
-  const subM = name.match(/SUBDEV=(\d+)/);
-  const subNum = subM ? parseInt(subM[1], 10) : null;
-
-  if (name.startsWith('iec958:')) return `${card} (S/PDIF)`;
-  if (name.startsWith('hdmi:')) {
-    const d = devNum !== null ? devNum : 0;
-    return `${card} (HDMI · DEV ${d})`;
-  }
-  if (name.startsWith('sysdefault:')) {
-    if (devNum !== null && devNum > 0) return `${card} (default · PCM ${devNum})`;
-    return card;
-  }
-  if (name.startsWith('plughw:')) {
-    if (devNum !== null) {
-      const sub = subNum !== null ? ` · sub ${subNum}` : '';
-      return `${card} (plug · PCM ${devNum}${sub})`;
-    }
-    return card;
-  }
-  if (name.startsWith('hw:')) {
-    if (devNum !== null) {
-      const sub = subNum !== null ? ` · sub ${subNum}` : '';
-      return `${card} (hw · PCM ${devNum}${sub})`;
-    }
-    return `${card} (hw)`;
-  }
-  if (name.startsWith('front:')) return `${card} (Front)`;
-  if (name.startsWith('surround')) return `${card} (${name.split(':')[0]})`;
-  // Other ALSA iface:card,dev — show plugin + PCM so identical cards differ
-  const iface = name.split(':')[0];
-  if (iface && !['default', 'pulse', 'pipewire'].includes(iface)) {
-    if (devNum !== null) return `${card} (${iface} · PCM ${devNum})`;
-    return `${card} (${iface})`;
-  }
-  return card;
-}
-
-/** Readable tail when two devices still share the same label (rare after formatAudioDeviceLabel). */
-function audioDeviceDuplicateHint(raw: string): string {
-  const cardM = raw.match(/CARD=([^,]+)/);
-  const devM = raw.match(/DEV=(\d+)/);
-  const subM = raw.match(/SUBDEV=(\d+)/);
-  const iface = raw.split(':')[0] || '';
-  const parts: string[] = [];
-  if (iface) parts.push(iface);
-  if (cardM) parts.push(cardM[1]);
-  if (devM) parts.push(`PCM ${devM[1]}`);
-  if (subM) parts.push(`sub ${subM[1]}`);
-  if (parts.length > 1) return parts.join(' · ');
-  return raw.length > 56 ? `…${raw.slice(-53)}` : raw;
-}
-
-/** When several devices share the same display label, append a disambiguator. */
-function disambiguatedAudioDeviceLabel(raw: string, baseLabel: string, duplicateBase: boolean): string {
-  if (!duplicateBase) return baseLabel;
-  return `${baseLabel} · ${audioDeviceDuplicateHint(raw)}`;
-}
-
-/** cpal order is arbitrary; sort by readable label, current OS default first. */
-function sortAudioDeviceIds(devices: string[], osDefaultDeviceId: string | null): string[] {
-  return [...devices].sort((a, b) => {
-    const aDef = osDefaultDeviceId && a === osDefaultDeviceId;
-    const bDef = osDefaultDeviceId && b === osDefaultDeviceId;
-    if (aDef !== bDef) return aDef ? -1 : 1;
-    const la = formatAudioDeviceLabel(a);
-    const lb = formatAudioDeviceLabel(b);
-    const byLabel = la.localeCompare(lb, undefined, { sensitivity: 'base' });
-    if (byLabel !== 0) return byLabel;
-    return a.localeCompare(b);
-  });
-}
-
-function buildAudioDeviceSelectOptions(
-  devices: string[],
-  defaultLabel: string,
-  osDefaultDeviceId: string | null,
-  osDefaultMark: string,
-  pinnedDevice: string | null,
-  notInListSuffix: string,
-): { value: string; label: string }[] {
-  const baseLabels = devices.map(formatAudioDeviceLabel);
-  const countByBase = new Map<string, number>();
-  for (const b of baseLabels) countByBase.set(b, (countByBase.get(b) ?? 0) + 1);
-  const pinned = pinnedDevice?.trim() || null;
-  const pinnedNotListed = !!(pinned && !devices.includes(pinned));
-  const ghost: { value: string; label: string }[] = pinnedNotListed
-    ? (() => {
-        const base = formatAudioDeviceLabel(pinned);
-        let label = `${base} · ${notInListSuffix}`;
-        if (osDefaultDeviceId && pinned === osDefaultDeviceId) label = `${label} · ${osDefaultMark}`;
-        return [{ value: pinned, label }];
-      })()
-    : [];
-  return [
-    { value: '', label: defaultLabel },
-    ...ghost,
-    ...devices.map((d, i) => {
-      const base = baseLabels[i];
-      const dup = (countByBase.get(base) ?? 0) > 1;
-      let label = disambiguatedAudioDeviceLabel(d, base, dup);
-      if (osDefaultDeviceId && d === osDefaultDeviceId) label = `${label} · ${osDefaultMark}`;
-      return { value: d, label };
-    }),
-  ];
-}
 
 export default function Settings() {
   const auth = useAuthStore();
diff --git a/src/utils/audioDeviceLabels.ts b/src/utils/audioDeviceLabels.ts
new file mode 100644
index 00000000..4954ed66
--- /dev/null
+++ b/src/utils/audioDeviceLabels.ts
@@ -0,0 +1,118 @@
+/** Makes raw ALSA device names more readable on Linux.
+ *  Values are kept as-is (rodio needs the ALSA name); only the displayed label is cleaned.
+ *  e.g. "sysdefault:CARD=U192k" → "U192k"
+ *       "hw:CARD=U192k,DEV=0"   → "U192k (hw · PCM 0)"
+ *       "hdmi:CARD=NVidia,DEV=1" → "NVidia (HDMI · DEV 1)"  (same DEV as in ALSA string)
+ *       "iec958:CARD=PCH,DEV=0" → "PCH (S/PDIF)"
+ *  Names without ALSA prefix (pipewire, pulse, default…) are returned unchanged. */
+export function formatAudioDeviceLabel(name: string): string {
+  const cardMatch = name.match(/CARD=([^,]+)/);
+  if (!cardMatch) return name;
+  const card = cardMatch[1];
+  const devM = name.match(/DEV=(\d+)/);
+  const devNum = devM ? parseInt(devM[1], 10) : null;
+  const subM = name.match(/SUBDEV=(\d+)/);
+  const subNum = subM ? parseInt(subM[1], 10) : null;
+
+  if (name.startsWith('iec958:')) return `${card} (S/PDIF)`;
+  if (name.startsWith('hdmi:')) {
+    const d = devNum !== null ? devNum : 0;
+    return `${card} (HDMI · DEV ${d})`;
+  }
+  if (name.startsWith('sysdefault:')) {
+    if (devNum !== null && devNum > 0) return `${card} (default · PCM ${devNum})`;
+    return card;
+  }
+  if (name.startsWith('plughw:')) {
+    if (devNum !== null) {
+      const sub = subNum !== null ? ` · sub ${subNum}` : '';
+      return `${card} (plug · PCM ${devNum}${sub})`;
+    }
+    return card;
+  }
+  if (name.startsWith('hw:')) {
+    if (devNum !== null) {
+      const sub = subNum !== null ? ` · sub ${subNum}` : '';
+      return `${card} (hw · PCM ${devNum}${sub})`;
+    }
+    return `${card} (hw)`;
+  }
+  if (name.startsWith('front:')) return `${card} (Front)`;
+  if (name.startsWith('surround')) return `${card} (${name.split(':')[0]})`;
+  // Other ALSA iface:card,dev — show plugin + PCM so identical cards differ
+  const iface = name.split(':')[0];
+  if (iface && !['default', 'pulse', 'pipewire'].includes(iface)) {
+    if (devNum !== null) return `${card} (${iface} · PCM ${devNum})`;
+    return `${card} (${iface})`;
+  }
+  return card;
+}
+
+/** Readable tail when two devices still share the same label (rare after formatAudioDeviceLabel). */
+export function audioDeviceDuplicateHint(raw: string): string {
+  const cardM = raw.match(/CARD=([^,]+)/);
+  const devM = raw.match(/DEV=(\d+)/);
+  const subM = raw.match(/SUBDEV=(\d+)/);
+  const iface = raw.split(':')[0] || '';
+  const parts: string[] = [];
+  if (iface) parts.push(iface);
+  if (cardM) parts.push(cardM[1]);
+  if (devM) parts.push(`PCM ${devM[1]}`);
+  if (subM) parts.push(`sub ${subM[1]}`);
+  if (parts.length > 1) return parts.join(' · ');
+  return raw.length > 56 ? `…${raw.slice(-53)}` : raw;
+}
+
+/** When several devices share the same display label, append a disambiguator. */
+export function disambiguatedAudioDeviceLabel(raw: string, baseLabel: string, duplicateBase: boolean): string {
+  if (!duplicateBase) return baseLabel;
+  return `${baseLabel} · ${audioDeviceDuplicateHint(raw)}`;
+}
+
+/** cpal order is arbitrary; sort by readable label, current OS default first. */
+export function sortAudioDeviceIds(devices: string[], osDefaultDeviceId: string | null): string[] {
+  return [...devices].sort((a, b) => {
+    const aDef = osDefaultDeviceId && a === osDefaultDeviceId;
+    const bDef = osDefaultDeviceId && b === osDefaultDeviceId;
+    if (aDef !== bDef) return aDef ? -1 : 1;
+    const la = formatAudioDeviceLabel(a);
+    const lb = formatAudioDeviceLabel(b);
+    const byLabel = la.localeCompare(lb, undefined, { sensitivity: 'base' });
+    if (byLabel !== 0) return byLabel;
+    return a.localeCompare(b);
+  });
+}
+
+export function buildAudioDeviceSelectOptions(
+  devices: string[],
+  defaultLabel: string,
+  osDefaultDeviceId: string | null,
+  osDefaultMark: string,
+  pinnedDevice: string | null,
+  notInListSuffix: string,
+): { value: string; label: string }[] {
+  const baseLabels = devices.map(formatAudioDeviceLabel);
+  const countByBase = new Map<string, number>();
+  for (const b of baseLabels) countByBase.set(b, (countByBase.get(b) ?? 0) + 1);
+  const pinned = pinnedDevice?.trim() || null;
+  const pinnedNotListed = !!(pinned && !devices.includes(pinned));
+  const ghost: { value: string; label: string }[] = pinnedNotListed
+    ? (() => {
+        const base = formatAudioDeviceLabel(pinned);
+        let label = `${base} · ${notInListSuffix}`;
+        if (osDefaultDeviceId && pinned === osDefaultDeviceId) label = `${label} · ${osDefaultMark}`;
+        return [{ value: pinned, label }];
+      })()
+    : [];
+  return [
+    { value: '', label: defaultLabel },
+    ...ghost,
+    ...devices.map((d, i) => {
+      const base = baseLabels[i];
+      const dup = (countByBase.get(base) ?? 0) > 1;
+      let label = disambiguatedAudioDeviceLabel(d, base, dup);
+      if (osDefaultDeviceId && d === osDefaultDeviceId) label = `${label} · ${osDefaultMark}`;
+      return { value: d, label };
+    }),
+  ];
+}
diff --git a/src/utils/formatBytes.ts b/src/utils/formatBytes.ts
new file mode 100644
index 00000000..885a3826
--- /dev/null
+++ b/src/utils/formatBytes.ts
@@ -0,0 +1,11 @@
+export function formatBytes(bytes: number): string {
+  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(0)} KB`;
+  if (bytes < 1024 * 1024 * 1024) return `${(bytes / 1024 / 1024).toFixed(1)} MB`;
+  return `${(bytes / 1024 / 1024 / 1024).toFixed(2)} GB`;
+}
+
+/** Align hot-cache size slider (step 32 MB) to valid values. */
+export function snapHotCacheMb(v: number): number {
+  const x = Math.min(20000, Math.max(32, Math.round(v)));
+  return Math.round((x - 32) / 32) * 32 + 32;
+}