feat: Implement initial mobile application structure including IPTV features, authentication, routing, and theming.

lib/mobile/widgets/mobile_scaffold.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../../core/theme/app_colors.dart';
+
+class MobileScaffold extends ConsumerWidget {
+  final Widget child;
+  final int currentIndex;
+  final Function(int) onIndexChanged;
+
+  const MobileScaffold({
+    super.key,
+    required this.child,
+    required this.currentIndex,
+    required this.onIndexChanged,
+  });
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    return Scaffold(
+      extendBody: true, // Allow content behind nav bar if transparent
+      backgroundColor: AppColors.background,
+      body: child,
+      bottomNavigationBar: Container(
+        decoration: BoxDecoration(
+          border: Border(top: BorderSide(color: AppColors.border.withOpacity(0.5), width: 0.5)),
+        ),
+        child: BottomNavigationBar(
+          currentIndex: currentIndex,
+          onTap: onIndexChanged,
+          backgroundColor: AppColors.surface.withOpacity(0.95), // Highly opaque for readability
+          type: BottomNavigationBarType.fixed,
+          showSelectedLabels: true,
+          showUnselectedLabels: true,
+          items: const [
+            BottomNavigationBarItem(
+              icon: Icon(Icons.tv),
+              label: 'Live',
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.movie_outlined),
+              activeIcon: Icon(Icons.movie),
+              label: 'Movies',
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.video_library_outlined),
+              activeIcon: Icon(Icons.video_library),
+              label: 'Series',
+            ),
+            BottomNavigationBarItem(
+              icon: Icon(Icons.settings_outlined),
+              activeIcon: Icon(Icons.settings),
+              label: 'Settings',
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}