fix: give native Quit its Command shortcut during text editing

Sources/App/PlayerActions.swift

@@ -94,6 +94,11 @@ extension PlayerModel {
     }
 
     func performMenuAction(_ action: PlayerAction) {
+        // Native Command-Quit remains available while a text field owns focus.
+        if action == .quit, NSApp.currentEvent?.modifierFlags.contains(.command) == true {
+            perform(action)
+            return
+        }
         if let event = NSApp.currentEvent, event.type == .keyDown {
             if event.isARepeat && !action.allowsRepeat { return }
             guard let chord = KeyChord.from(event),
@@ -162,10 +167,11 @@ struct PlayerCommands: Commands {
         let bufferInfo = model.bufferInfoAction
         let snapping = model.snappingAction
         let automaticQuality = model.automaticQualityAction
+        let quitKeys = model.keyBindings.shortcuts(for: .quit)
 
         CommandGroup(replacing: .appTermination) {
             Button("Quit terebi") { model.performMenuAction(.quit) }
-                .keyboardShortcut(model.keyBindings.shortcuts(for: .quit).first?.keyboardShortcut)
+                .keyboardShortcut((quitKeys.first { $0.modifiers.contains(.command) } ?? quitKeys.first)?.keyboardShortcut)
                 .disabled(!model.canPerform(.quit))
         }
         CommandGroup(replacing: .newItem) {

Sources/App/TerebiApp.swift

@@ -1582,7 +1582,7 @@ private struct PlayerContent: View {
                             HStack(spacing: 8) {
                                 TextField("YouTube video URL", text: $youTubeURL,
                                           prompt: Text("YouTube video URL")
-                                            .foregroundStyle(Color(SunsetPalette.secondaryText)))
+                                            .foregroundStyle(Color(SunsetPalette.secondaryText).opacity(0.6)))
                                     .textFieldStyle(.plain)
                                     .focused($youTubeInputFocused)
                                     .accessibilityLabel("YouTube video URL")