diff --git a/js/side-panel.js b/js/side-panel.js
index 0f399ea..5da3b4a 100644
--- a/js/side-panel.js
+++ b/js/side-panel.js
@@ -15,6 +15,17 @@ export class SidePanelManager {
         }
     }
 
+    emitChange() {
+        window.dispatchEvent(
+            new CustomEvent('side-panel-changed', {
+                detail: {
+                    active: this.panel.classList.contains('active'),
+                    view: this.currentView,
+                },
+            })
+        );
+    }
+
     initResizer() {
         this.resizerElement.addEventListener('mousedown', this.startResize.bind(this));
 
@@ -86,6 +97,7 @@ export class SidePanelManager {
         if (renderContentCallback) renderContentCallback(this.contentElement);
 
         this.panel.classList.add('active');
+        this.emitChange();
     }
 
     close() {
@@ -105,6 +117,7 @@ export class SidePanelManager {
 
         this.panel.classList.remove('active');
         this.currentView = null;
+        this.emitChange();
         // Optionally clear content after transition
         setTimeout(() => {
             if (!this.panel.classList.contains('active')) {
diff --git a/js/ui.js b/js/ui.js
index 0e12d30..5827d7f 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -1302,6 +1302,7 @@ export class UIRenderer {
         // Setup UI toggle button
         this.setupUIToggleButton(overlay);
         this.setupControlsAutoHide(overlay);
+        this.setupFullscreenSidePanelSync(overlay);
         await this.refreshFullscreenVisualizerState(activeElement);
     }
 
@@ -1368,6 +1369,16 @@ export class UIRenderer {
             clearTimeout(this.uiToggleMouseTimer);
             this.uiToggleMouseTimer = null;
         }
+
+        if (this.controlsIdleCleanup) {
+            this.controlsIdleCleanup();
+            this.controlsIdleCleanup = null;
+        }
+
+        if (this.fullscreenSidePanelSyncCleanup) {
+            this.fullscreenSidePanelSyncCleanup();
+            this.fullscreenSidePanelSyncCleanup = null;
+        }
     }
 
     async startFullscreenVisualizer(activeElement, overlay) {
@@ -1573,6 +1584,26 @@ export class UIRenderer {
             overlay.classList.remove('controls-idle');
         };
     }
+
+    setupFullscreenSidePanelSync(overlay) {
+        if (this.fullscreenSidePanelSyncCleanup) {
+            this.fullscreenSidePanelSyncCleanup();
+        }
+
+        const syncState = () => {
+            overlay.classList.toggle('queue-panel-active', sidePanelManager.isActive('queue'));
+        };
+
+        const handleChange = () => syncState();
+        window.addEventListener('side-panel-changed', handleChange);
+        syncState();
+
+        this.fullscreenSidePanelSyncCleanup = () => {
+            window.removeEventListener('side-panel-changed', handleChange);
+            overlay.classList.remove('queue-panel-active');
+        };
+    }
+
     setupFullscreenControls() {
         const playBtn = document.getElementById('fs-play-pause-btn');
         const prevBtn = document.getElementById('fs-prev-btn');
diff --git a/styles.css b/styles.css
index b81d210..57d66e9 100644
--- a/styles.css
+++ b/styles.css
@@ -10459,6 +10459,20 @@ body:has(#side-panel.active) #close-fullscreen-cover-btn {
     opacity: 0.55;
 }
 
+#fullscreen-cover-overlay.queue-panel-active .fullscreen-main-view {
+    grid-template-columns: 1fr;
+    width: min(760px, 100%);
+}
+
+#fullscreen-cover-overlay.queue-panel-active .fullscreen-media-column {
+    justify-self: center;
+    transform: none;
+}
+
+#fullscreen-cover-overlay.queue-panel-active .fullscreen-lyrics-pane {
+    display: none;
+}
+
 @media (max-width: 980px) {
     #fullscreen-cover-overlay .fullscreen-main-view {
         grid-template-columns: 1fr;
@@ -10483,33 +10497,43 @@ body:has(#side-panel.active) #close-fullscreen-cover-btn {
 }
 
 @media (max-width: 768px) {
+    #fullscreen-cover-overlay {
+        --fs-mobile-top-btn-size: 44px;
+        --fs-mobile-top-btn-gap: 0.6rem;
+        --fs-mobile-top-btn-left: calc(1rem + env(safe-area-inset-left));
+    }
+
     #fullscreen-cover-overlay .fullscreen-cover-content {
         padding: 0.75rem 0.75rem calc(0.75rem + env(safe-area-inset-bottom));
     }
 
     #fullscreen-cover-overlay .fullscreen-top-actions {
         top: calc(0.75rem + env(safe-area-inset-top));
-        left: calc(1rem + env(safe-area-inset-left));
-        gap: 0.35rem;
+        left: var(--fs-mobile-top-btn-left);
+        gap: var(--fs-mobile-top-btn-gap);
     }
 
     #fullscreen-cover-overlay .fullscreen-top-actions button,
     #fullscreen-cover-overlay #toggle-ui-btn {
-        width: 44px;
-        height: 44px;
+        width: var(--fs-mobile-top-btn-size);
+        height: var(--fs-mobile-top-btn-size);
         background: rgb(9 12 18 / 0.5);
     }
 
     #fullscreen-cover-overlay #toggle-ui-btn {
         top: calc(0.75rem + env(safe-area-inset-top));
-        left: calc(88px + 1.25rem + env(safe-area-inset-left));
+        left: calc(
+            var(--fs-mobile-top-btn-left) +
+            (var(--fs-mobile-top-btn-size) * 2) +
+            (var(--fs-mobile-top-btn-gap) * 2)
+        );
     }
 
     #fullscreen-cover-overlay .fullscreen-main-view {
         width: 100%;
         gap: 0.85rem;
         padding:
-            calc(4.25rem + env(safe-area-inset-top))
+            calc(7.25rem + env(safe-area-inset-top))
             0.75rem
             calc(1.5rem + env(safe-area-inset-bottom))
             0.75rem;