feat: Add mobile-specific Riverpod providers for Xtream service, live TV, movies, series, and EPG data, along with UI state management.

lib/features/iptv/screens/mobile_dashboard_screen.dart

@@ -33,7 +33,7 @@ class _MobileDashboardScreenState extends ConsumerState<MobileDashboardScreen> {
     // This enables instant tab switching and preserves user scroll position, search state, etc.
     // The AutomaticKeepAliveClientMixin in each tab will keep them in the widget tree
     return Theme(
-      data: MobileTheme.darkTheme,
+      data: MobileTheme.themeOf(context),
       child: MobileScaffold(
         currentIndex: currentIndex,
         onIndexChanged: (index) {

lib/features/iptv/screens/mobile_playlist_screen.dart

@@ -388,14 +388,11 @@ class _MobilePlaylistScreenState extends ConsumerState<MobilePlaylistScreen> {
     final playlistsAsync = ref.watch(localPlaylistsProvider);
 
     return Theme(
-      data: MobileTheme.darkTheme,
+      data: MobileTheme.themeOf(context),
       child: Scaffold(
-        backgroundColor: AppColors.background,
         appBar: AppBar(
           title: const Text('XtremFlow'),
           centerTitle: true,
-          backgroundColor: AppColors.background,
-          elevation: 0,
         ),
         body: playlistsAsync.when(
           loading: () => const Center(

lib/features/iptv/screens/mobile_playlist_selection_screen.dart

@@ -203,7 +203,7 @@ class _MobilePlaylistSelectionScreenState
     final playlistsAsync = ref.watch(playlistsProvider);
 
     return Theme(
-      data: MobileTheme.darkTheme,
+      data: MobileTheme.themeOf(context),
       child: Scaffold(
         extendBodyBehindAppBar: true, // For gradient
         appBar: AppBar(