refactor(theme): update card and dialog themes to use CardThemeData and DialogThemeData

refactor(ui_components): adjust animation durations for smoother transitions
fix(dashboard): rename border property to hasBorder for clarity
fix(player): rename border property to hasBorder for consistency

lib/features/iptv/screens/dashboard_screen.dart

@@ -102,7 +102,7 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
               opacity: 0.1,
               // blur is hardcoded in GlassContainer (15), so we don't pass it
               // border is bool, borderColor allows customization
-              border: true,
+              hasBorder: true,
               borderColor: Colors.white.withOpacity(0.1),
               child: Column(
                 mainAxisAlignment: MainAxisAlignment.center,

lib/features/iptv/screens/player_screen.dart

@@ -636,7 +636,7 @@ class _PlayerScreenState extends ConsumerState<PlayerScreen> {
                         child: GlassContainer(
                           borderRadius: 24,
                           opacity: 0.2, // Slightly more opaque for controls
-                          border: true,
+                          hasBorder: true,
                           borderColor: Colors.white.withOpacity(0.1),
                           padding: const EdgeInsets.all(24),
                           child: Column(