diff --git a/frontend/app.js b/frontend/app.js
index debd411..ac555b6 100755
--- a/frontend/app.js
+++ b/frontend/app.js
@@ -248,6 +248,7 @@ const DEFAULT_SETTINGS = {
   density: 'comfortable',   // 'comfortable' | 'compact'
   perfMode: false,          // disable heavy visual effects for speed
   reduceMotion: false,      // disable animations
+  layout: 'classic',        // 'classic'|'sanctuary-stage'|'liturgical'|'living-hymnal'|'broadcaster'|'contemplative'|'bento-hub'
   autoBackupEnabled: false,
   autoBackupIntervalDays: 7,
 };
@@ -832,6 +833,7 @@ function applyAppearance() {
   root.dataset.density = s.density || 'comfortable';
   root.dataset.perf = s.perfMode ? 'on' : 'off';
   root.dataset.motion = s.reduceMotion ? 'reduced' : 'full';
+  root.dataset.layout = s.layout || 'classic';
 }
 function fmtBytes(n) {
   if (!n) return '0 B';
@@ -2853,6 +2855,10 @@ async function renderSettings() {
         <span>Theme</span>
         ${sel('setTheme', data.settings.theme, [['dark', 'Dark'], ['light', 'Light'], ['contrast', 'High contrast']])}
       </label>
+      <label class="set-row">
+        <span>Layout theme</span>
+        ${sel('setLayout', data.settings.layout || 'classic', [['classic', 'Classic (default)'], ['sanctuary-stage', 'Sanctuary Stage'], ['liturgical', 'Liturgical Chronicle'], ['living-hymnal', 'Living Hymnal'], ['broadcaster', 'Sunday Broadcaster'], ['contemplative', 'Contemplative'], ['bento-hub', 'Bento Hub']])}
+      </label>
       <label class="set-row">
         <span>Font size</span>
         ${sel('setFont', data.settings.fontScale, [['small', 'Small'], ['normal', 'Normal'], ['large', 'Large'], ['xl', 'Extra large']])}
@@ -3041,6 +3047,7 @@ async function renderSettings() {
 
   // ---- Wire appearance / accessibility ----
   $('setTheme').addEventListener('change', (e) => { data.settings.theme = e.target.value; applyAppearance(); persist(); });
+  $('setLayout').addEventListener('change', (e) => { data.settings.layout = e.target.value; applyAppearance(); persist(); });
   $('setFont').addEventListener('change', (e) => { data.settings.fontScale = e.target.value; applyAppearance(); persist(); });
   $('setDensity').addEventListener('change', (e) => { data.settings.density = e.target.value; applyAppearance(); persist(); });
   $('setPerf').addEventListener('change', (e) => { data.settings.perfMode = e.target.checked; applyAppearance(); persist(); });
diff --git a/frontend/styles.css b/frontend/styles.css
index 0e8912c..a38d9c0 100755
--- a/frontend/styles.css
+++ b/frontend/styles.css
@@ -2805,3 +2805,224 @@ input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.25); }
     font-size: 22px;
   }
 }
+
+/* ============================================================================
+ * LAYOUT THEMES — scoped to html[data-layout="..."]
+ * All themes preserve the existing DOM; only colors, fonts, and structural
+ * CSS properties are overridden. The mini-bar, service-mode overlay, and
+ * video element remain fully functional in every theme.
+ * ========================================================================== */
+
+/* --- Sanctuary Stage -------------------------------------------------------
+ * Dark near-black with warm amber/gold accent. Sidebar collapses; bottom-nav
+ * takes over navigation so all views remain accessible.
+ * ------------------------------------------------------------------------- */
+html[data-layout="sanctuary-stage"] {
+  --bg: #090b10;
+  --bg-1: #0d1018;
+  --bg-2: #121620;
+  --bg-3: #181c28;
+  --line: #1e2232;
+  --line-soft: #171b2a;
+  --accent: #f59e0b;
+  --accent-bright: #fbbf24;
+  --accent-deep: #d97706;
+  --accent-glow: rgba(245, 158, 11, 0.4);
+}
+html[data-layout="sanctuary-stage"] body::before {
+  background:
+    radial-gradient(900px 600px at 50% -10%, rgba(245, 158, 11, 0.10), transparent 60%),
+    radial-gradient(700px 500px at 50% 110%, rgba(245, 158, 11, 0.04), transparent 55%);
+}
+html[data-layout="sanctuary-stage"] .app {
+  grid-template-columns: 1fr;
+}
+html[data-layout="sanctuary-stage"] .sidebar {
+  display: none;
+}
+html[data-layout="sanctuary-stage"] .bottom-nav {
+  display: flex;
+}
+/* Pad main content above mini-bar + bottom-nav */
+html[data-layout="sanctuary-stage"] .main > *:last-child {
+  padding-bottom: calc(56px + 52px + env(safe-area-inset-bottom));
+}
+html[data-layout="sanctuary-stage"] .mini-bar {
+  bottom: calc(56px + env(safe-area-inset-bottom));
+}
+
+/* --- Liturgical Chronicle --------------------------------------------------
+ * Light parchment palette with burgundy accent and serif typography.
+ * Sidebar kept wider for the editorial column feel.
+ * ------------------------------------------------------------------------- */
+html[data-layout="liturgical"] {
+  --bg: #faf8f5;
+  --bg-1: #f2ede6;
+  --bg-2: #e8e0d5;
+  --bg-3: #ddd5c8;
+  --line: #d5ccbc;
+  --line-soft: #e0d8cc;
+  --text: #1a1208;
+  --text-2: #3d3027;
+  --text-dim: #8b7060;
+  --accent: #8b261d;
+  --accent-bright: #a83028;
+  --accent-deep: #6b1c14;
+  --accent-glow: rgba(139, 38, 29, 0.35);
+  --display: Georgia, 'Times New Roman', serif;
+  --ui: Georgia, 'Times New Roman', serif;
+  --shadow: 0 18px 50px -12px rgba(0, 0, 0, 0.2);
+}
+html[data-layout="liturgical"] body::before {
+  background: radial-gradient(900px 600px at 0% 0%, rgba(139, 38, 29, 0.04), transparent 60%);
+}
+html[data-layout="liturgical"] body::after { opacity: 0.008; }
+html[data-layout="liturgical"] .app { grid-template-columns: 300px 1fr; }
+/* Keep video player dark */
+html[data-layout="liturgical"] #video,
+html[data-layout="liturgical"] .video-wrap,
+html[data-layout="liturgical"] #videoOverlay { background: #000; }
+/* Scrollbar for light theme */
+html[data-layout="liturgical"] ::-webkit-scrollbar-thumb { background: var(--bg-2); }
+html[data-layout="liturgical"] ::-webkit-scrollbar-thumb:hover { background: var(--bg-3); }
+/* Topbar tint */
+html[data-layout="liturgical"] .topbar {
+  background: linear-gradient(180deg, var(--bg-1), rgba(250,248,245,0.92));
+  border-bottom-color: var(--line);
+}
+/* Mini-bar on light */
+html[data-layout="liturgical"] .mini-bar-inner {
+  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
+  border-top-color: var(--line);
+}
+/* Input / select elements */
+html[data-layout="liturgical"] select,
+html[data-layout="liturgical"] input[type="text"],
+html[data-layout="liturgical"] input[type="search"],
+html[data-layout="liturgical"] input[type="number"] {
+  color: var(--text);
+  background: var(--bg-2);
+  border-color: var(--line);
+}
+
+/* --- Living Hymnal ---------------------------------------------------------
+ * Dark zinc with indigo accent. Clean, technical feel; slightly narrower
+ * sidebar gives the main content area more room.
+ * ------------------------------------------------------------------------- */
+html[data-layout="living-hymnal"] {
+  --bg: #09090b;
+  --bg-1: #0d0d10;
+  --bg-2: #18181b;
+  --bg-3: #27272a;
+  --line: #3f3f46;
+  --line-soft: #27272a;
+  --text: #e4e4e7;
+  --text-2: #a1a1aa;
+  --text-dim: #71717a;
+  --accent: #6366f1;
+  --accent-bright: #818cf8;
+  --accent-deep: #4f46e5;
+  --accent-glow: rgba(99, 102, 241, 0.4);
+}
+html[data-layout="living-hymnal"] body::before {
+  background:
+    radial-gradient(900px 600px at 18% -10%, rgba(99, 102, 241, 0.08), transparent 60%),
+    radial-gradient(700px 500px at 100% 110%, rgba(99, 102, 241, 0.04), transparent 55%);
+}
+html[data-layout="living-hymnal"] .app { grid-template-columns: 220px 1fr; }
+
+/* --- Sunday Broadcaster ----------------------------------------------------
+ * Near-black with crimson/rose accent for a live-broadcast feel.
+ * Prominent top bar with an accent underline.
+ * ------------------------------------------------------------------------- */
+html[data-layout="broadcaster"] {
+  --bg: #050507;
+  --bg-1: #0a0a0e;
+  --bg-2: #141418;
+  --bg-3: #1e1e24;
+  --line: #2a2a32;
+  --line-soft: #1e1e26;
+  --accent: #f43f5e;
+  --accent-bright: #fb7185;
+  --accent-deep: #e11d48;
+  --accent-glow: rgba(244, 63, 94, 0.45);
+}
+html[data-layout="broadcaster"] body::before {
+  background:
+    radial-gradient(900px 600px at 18% -10%, rgba(244, 63, 94, 0.09), transparent 60%),
+    radial-gradient(700px 500px at 100% 110%, rgba(244, 63, 94, 0.04), transparent 55%);
+}
+html[data-layout="broadcaster"] .topbar {
+  border-bottom: 2px solid rgba(244, 63, 94, 0.25);
+}
+html[data-layout="broadcaster"] .brand-mark {
+  background: linear-gradient(145deg, #fb7185, #e11d48);
+  box-shadow: 0 6px 18px -4px rgba(244, 63, 94, 0.5), inset 0 1px 0 rgba(255,255,255,0.25);
+}
+
+/* --- Contemplative Sanctuary ------------------------------------------------
+ * Deep blue-black with teal accent and serif typography. Sidebar collapses
+ * and bottom-nav keeps all views accessible.
+ * ------------------------------------------------------------------------- */
+html[data-layout="contemplative"] {
+  --bg: #0a0e14;
+  --bg-1: #0d1218;
+  --bg-2: #131820;
+  --bg-3: #1a2030;
+  --line: #1e2840;
+  --line-soft: #161e30;
+  --accent: #2dd4bf;
+  --accent-bright: #5eead4;
+  --accent-deep: #0d9488;
+  --accent-glow: rgba(45, 212, 191, 0.35);
+  --display: Georgia, 'Times New Roman', serif;
+}
+html[data-layout="contemplative"] body::before {
+  background:
+    radial-gradient(900px 600px at 50% -20%, rgba(45, 212, 191, 0.07), transparent 60%),
+    radial-gradient(700px 500px at 50% 120%, rgba(45, 212, 191, 0.04), transparent 55%);
+}
+html[data-layout="contemplative"] .app { grid-template-columns: 1fr; }
+html[data-layout="contemplative"] .sidebar { display: none; }
+html[data-layout="contemplative"] .bottom-nav { display: flex; }
+html[data-layout="contemplative"] .mini-bar {
+  bottom: calc(56px + env(safe-area-inset-bottom));
+}
+
+/* --- Bento Hub -------------------------------------------------------------
+ * GitHub-dark-ish with honey-gold accent. Tighter borders give a
+ * "dashboard card" feel throughout.
+ * ------------------------------------------------------------------------- */
+html[data-layout="bento-hub"] {
+  --bg: #0d1117;
+  --bg-1: #13181f;
+  --bg-2: #1c2333;
+  --bg-3: #252d3d;
+  --line: #30363d;
+  --line-soft: #21262d;
+  --text: #e6edf3;
+  --text-2: #8b949e;
+  --text-dim: #484f58;
+  --accent: #eab308;
+  --accent-bright: #fbbf24;
+  --accent-deep: #ca8a04;
+  --accent-glow: rgba(234, 179, 8, 0.4);
+  --radius: 10px;
+  --radius-sm: 6px;
+}
+html[data-layout="bento-hub"] body::before {
+  background:
+    radial-gradient(900px 600px at 18% -10%, rgba(234, 179, 8, 0.06), transparent 60%),
+    radial-gradient(700px 500px at 100% 110%, rgba(234, 179, 8, 0.03), transparent 55%);
+}
+html[data-layout="bento-hub"] .brand-mark {
+  background: linear-gradient(145deg, #fbbf24, #ca8a04);
+  box-shadow: 0 6px 18px -4px rgba(234, 179, 8, 0.45), inset 0 1px 0 rgba(255,255,255,0.25);
+}
+html[data-layout="bento-hub"] .sidebar {
+  border-right-color: var(--line);
+}
+html[data-layout="bento-hub"] .topbar {
+  border-bottom-color: var(--line);
+}
+