fix: pass non-navigation keys through

lib/focus/dpad_navigator.dart

@@ -45,6 +45,11 @@ extension DpadKeyExtension on LogicalKeyboardKey {
   /// Whether this key is a context menu key.
   bool get isContextMenuKey => _contextMenuKeys.contains(this);
 
+  /// Whether this key is a navigation key (dpad, select, back, context menu, tab).
+  /// Use this to distinguish navigation keys from typing/volume/media keys.
+  bool get isNavigationKey =>
+      isDpadDirection || isSelectKey || isBackKey || isContextMenuKey || this == LogicalKeyboardKey.tab;
+
   /// Whether this key moves focus left.
   bool get isLeftKey => this == LogicalKeyboardKey.arrowLeft;
 

lib/focus/input_mode_tracker.dart

@@ -76,8 +76,9 @@ class _InputModeTrackerState extends State<InputModeTracker> {
     // events after route pops (see BackKeySuppressorObserver).
     BackKeyPressTracker.handleKeyEvent(event);
 
-    // Only switch to keyboard mode on key down (not repeats or releases)
-    if (event is KeyDownEvent) {
+    // Only switch to keyboard mode on navigation key down (not repeats, releases,
+    // or non-navigation keys like volume buttons or letter keys while typing)
+    if (event is KeyDownEvent && event.logicalKey.isNavigationKey) {
       _setMode(InputMode.keyboard);
     }
     // Return false to let the event continue propagating

lib/widgets/video_controls/video_controls.dart

@@ -1484,8 +1484,10 @@ class _PlexVideoControlsState extends State<PlexVideoControls> with WindowListen
             }
 
             // Only handle KeyDown and KeyRepeat events
-            // Consume KeyUp events to prevent them leaking to previous routes
+            // Consume KeyUp events for navigation keys to prevent leaking to previous routes
+            // Let non-navigation keys (volume, etc.) pass through to the OS
             if (!event.isActionable) {
+              if (!event.logicalKey.isNavigationKey) return KeyEventResult.ignored;
               return KeyEventResult.handled;
             }
 
@@ -1572,7 +1574,9 @@ class _PlexVideoControlsState extends State<PlexVideoControls> with WindowListen
               onToggleShader: _toggleShader,
               onSkipMarker: _performAutoSkip,
             );
-            // Never return .ignored from fullscreen video — prevent leaking to previous routes
+            // Let non-navigation keys (volume, etc.) pass through to the OS
+            if (!event.logicalKey.isNavigationKey) return KeyEventResult.ignored;
+            // Never return .ignored for navigation keys — prevent leaking to previous routes
             return result == KeyEventResult.ignored ? KeyEventResult.handled : result;
           },
           child: Listener(