updates

lib/theme/app_theme.dart

@@ -9,16 +9,18 @@ import 'tokens.dart';
 /// (a close analog to the terminal fonts in Timbre's screenshots). The [accent]
 /// is passed in so the theme rebuilds when album-art extraction changes it.
 ThemeData buildTimbreTheme(Color accent) {
-  final mono = GoogleFonts.jetBrainsMonoTextTheme(
-    ThemeData.dark().textTheme,
-  ).apply(
+  final brightness = TimbreColors.brightness;
+  final base = brightness == Brightness.light
+      ? ThemeData.light()
+      : ThemeData.dark();
+  final mono = GoogleFonts.jetBrainsMonoTextTheme(base.textTheme).apply(
     bodyColor: TimbreColors.foreground,
     displayColor: TimbreColors.foreground,
   );
 
   final scheme = ColorScheme.fromSeed(
     seedColor: accent,
-    brightness: Brightness.dark,
+    brightness: brightness,
     surface: TimbreColors.surface,
   ).copyWith(
     primary: accent,
@@ -28,7 +30,7 @@ ThemeData buildTimbreTheme(Color accent) {
 
   return ThemeData(
     useMaterial3: true,
-    brightness: Brightness.dark,
+    brightness: brightness,
     scaffoldBackgroundColor: TimbreColors.background,
     canvasColor: TimbreColors.background,
     colorScheme: scheme,
@@ -38,7 +40,7 @@ ThemeData buildTimbreTheme(Color accent) {
     splashFactory: NoSplash.splashFactory,
     highlightColor: Colors.transparent,
     // Keep chrome flat and quiet — the content (and accent) carry the look.
-    appBarTheme: const AppBarTheme(
+    appBarTheme: AppBarTheme(
       backgroundColor: TimbreColors.background,
       surfaceTintColor: Colors.transparent,
       elevation: 0,