feat: update login, event detail, theme, and API client

- Improved event detail page with carousel, map, and layout fixes
- Updated login screen with video background and glassmorphism
- API client development mode with mock responses
- Theme manager and main app updates

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lib/main.dart

@@ -39,9 +39,12 @@ class MyApp extends StatelessWidget {
     },
   );
 
+  static const String _fontFamily = 'Gilroy';
+
   ThemeData _lightTheme() {
     return ThemeData(
       brightness: Brightness.light,
+      fontFamily: _fontFamily,
       primarySwatch: primarySwatch,
       scaffoldBackgroundColor: const Color(0xFFF7F5FB),
       appBarTheme: const AppBarTheme(
@@ -61,9 +64,9 @@ class MyApp extends StatelessWidget {
   }
 
   ThemeData _darkTheme() {
-    // Basic dark theme based on your sample — tweak colors as desired
     return ThemeData(
       brightness: Brightness.dark,
+      fontFamily: _fontFamily,
       primarySwatch: primarySwatch,
       scaffoldBackgroundColor: const Color(0xFF0B1220),
       appBarTheme: const AppBarTheme(
@@ -75,7 +78,7 @@ class MyApp extends StatelessWidget {
         style: ElevatedButton.styleFrom(backgroundColor: const Color(0xFF0B63D6)),
       ),
       cardColor: const Color(0xFF0E1620),
-      textTheme: ThemeData.dark().textTheme,
+      textTheme: ThemeData.dark().textTheme.apply(fontFamily: _fontFamily),
       useMaterial3: false,
     );
   }
@@ -115,9 +118,17 @@ class _StartupScreenState extends State<StartupScreen> {
   }
 
   Future<void> _loadLoginState() async {
-    final prefs = await SharedPreferences.getInstance();
-    final hasEmail = prefs.getString('email') != null && prefs.getString('email')!.isNotEmpty;
-    setState(() => _loggedIn = hasEmail);
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final hasEmail = prefs.getString('email') != null && prefs.getString('email')!.isNotEmpty;
+      setState(() => _loggedIn = hasEmail);
+    } catch (e) {
+      // If SharedPreferences fails (common on web with plugin issues), default to not logged in
+      print('Error loading login state: $e');
+      if (mounted) {
+        setState(() => _loggedIn = false);
+      }
+    }
   }
 
   @override