content: import 'package:flutter/material.dart';
  import 'package:flutter_d4rt/flutter_d4rt.dart';
  
  void main() {
    runApp(const MyAppTest());
  }
  
  class MyAppTest extends StatelessWidget {
    const MyAppTest({super.key});
  
    @override
    Widget build(BuildContext context) {
      return InterpretedWidget(code: code, entryPoint: 'MyApp');
    }
  }
  
  final String code = '''
    import 'package:flutter/material.dart';
  
  // Theme management using ChangeNotifier
  class ThemeController extends ChangeNotifier {
    ThemeMode _themeMode = ThemeMode.system;
  
    ThemeMode get themeMode => _themeMode;
  
    void setThemeMode(ThemeMode mode) {
      _themeMode = mode;
      notifyListeners();
    }
  
    void toggleTheme() {
      switch (_themeMode) {
        case ThemeMode.system:
          _themeMode = ThemeMode.light;
          break;
        case ThemeMode.light:
          _themeMode = ThemeMode.dark;
          break;
        case ThemeMode.dark:
          _themeMode = ThemeMode.system;
          break;
      }
      notifyListeners();
    }
  }
  
  class MyApp extends StatelessWidget {
    final ThemeController _themeController = ThemeController();
    MyApp({super.key});
  
    // This widget is the root of your application.
    @override
    Widget build(BuildContext context) {
      return ListenableBuilder(
        listenable: _themeController,
        builder: (context, child) {
          return MaterialApp(
            title: 'Flutter Run Example - Advanced Theming',
            debugShowCheckedModeBanner: false,
  
            // Light Theme Configuration
            theme: ThemeData(
              useMaterial3: true,
              colorScheme: ColorScheme.fromSeed(
                seedColor: Colors.deepPurple,
                brightness: Brightness.light,
              ),
              appBarTheme: AppBarTheme(
                centerTitle: true,
                elevation: 2.0,
                shadowColor: Colors.black26,
                titleTextStyle: TextStyle(
                  fontSize: 20,
                  fontWeight: FontWeight.w600,
                  color: Colors.white,
                ),
              ),
              elevatedButtonTheme: ElevatedButtonThemeData(
                style: ElevatedButton.styleFrom(
                  elevation: 4.0,
                  padding: EdgeInsets.symmetric(horizontal: 24, vertical: 12),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(12.0),
                  ),
                ),
              ),
              cardTheme: CardThemeData(
                elevation: 6.0,
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(16.0),
                ),
                margin: EdgeInsets.all(8.0),
              ),
              bottomNavigationBarTheme: BottomNavigationBarThemeData(
                elevation: 8.0,
                type: BottomNavigationBarType.fixed,
                selectedItemColor: Colors.deepPurple,
                unselectedItemColor: Colors.grey,
                backgroundColor: Colors.white,
              ),
              floatingActionButtonTheme: FloatingActionButtonThemeData(
                elevation: 6.0,
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(16.0),
                ),
              ),
              textTheme: TextTheme(
                headlineLarge: TextStyle(
                  fontSize: 32,
                  fontWeight: FontWeight.bold,
                  color: Colors.deepPurple,
                ),
                headlineMedium: TextStyle(
                  fontSize: 24,
                  fontWeight: FontWeight.w600,
                ),
                bodyLarge: TextStyle(fontSize: 16, height: 1.5),
              ),
            ),
  
            // Dark Theme Configuration
            darkTheme: ThemeData(
              useMaterial3: true,
              colorScheme: ColorScheme.fromSeed(
                seedColor: Colors.deepPurple,
                brightness: Brightness.dark,
              ),
              appBarTheme: AppBarTheme(
                centerTitle: true,
                elevation: 2.0,
                backgroundColor: Colors.grey[900],
                titleTextStyle: TextStyle(
                  fontSize: 20,
                  fontWeight: FontWeight.w600,
                  color: Colors.white,
                ),
              ),
              elevatedButtonTheme: ElevatedButtonThemeData(
                style: ElevatedButton.styleFrom(
                  elevation: 4.0,
                  padding: EdgeInsets.symmetric(horizontal: 24, vertical: 12),
                  shape: RoundedRectangleBorder(
                    borderRadius: BorderRadius.circular(12.0),
                  ),
                ),
              ),
              cardTheme: CardThemeData(
                elevation: 6.0,
                color: Colors.grey[850],
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(16.0),
                ),
                margin: EdgeInsets.all(8.0),
              ),
              bottomNavigationBarTheme: BottomNavigationBarThemeData(
                elevation: 8.0,
                type: BottomNavigationBarType.fixed,
                selectedItemColor: Colors.deepPurpleAccent,
                unselectedItemColor: Colors.grey[400],
                backgroundColor: Colors.grey[900],
              ),
              floatingActionButtonTheme: FloatingActionButtonThemeData(
                elevation: 6.0,
                backgroundColor: Colors.deepPurpleAccent,
                shape: RoundedRectangleBorder(
                  borderRadius: BorderRadius.circular(16.0),
                ),
              ),
              textTheme: TextTheme(
                headlineLarge: TextStyle(
                  fontSize: 32,
                  fontWeight: FontWeight.bold,
                  color: Colors.deepPurpleAccent,
                ),
                headlineMedium: TextStyle(
                  fontSize: 24,
                  fontWeight: FontWeight.w600,
                  color: Colors.white,
                ),
                bodyLarge: TextStyle(
                  fontSize: 16,
                  height: 1.5,
                  color: Colors.white70,
                ),
              ),
            ),
  
            // Theme mode (controlled by ThemeController)
            themeMode: _themeController.themeMode,
  
            home: ComplexApp(themeController: _themeController),
          );
        },
      );
    }
  }
  
  class ComplexApp extends StatefulWidget {
    final ThemeController themeController;
  
    const ComplexApp({super.key, required this.themeController});
  
    @override
    createState() => ComplexAppState();
  }
  
  class ComplexAppState extends State<ComplexApp>
      with SingleTickerProviderStateMixin {
    int currentIndex = 0;
    int counter = 0;
    List<String> items = ['Item 1', 'Item 2', 'Item 3'];
    late AnimationController _animationController;
    late Animation<double> _fadeAnimation;
    late Animation<double> _scaleAnimation;
  
    @override
    void initState() {
      super.initState();
      _animationController = AnimationController(
        duration: Duration(milliseconds: 800),
        vsync: this,
      );
      _fadeAnimation = Tween<double>(begin: 0.0, end: 1.0).animate(
        CurvedAnimation(parent: _animationController, curve: Curves.easeInOut),
      );
  
      _scaleAnimation = Tween<double>(begin: 0.8, end: 1.0).animate(
        CurvedAnimation(parent: _animationController, curve: Curves.elasticOut),
      );
  
      _animationController.forward();
    }
  
    @override
    void dispose() {
      super.dispose();
      _animationController.dispose();
    }
  
    increment() {
      setState(() {
        counter++;
      });
      // Restart animation on increment
      _animationController.reset();
      _animationController.forward();
    }
  
    reset() {
      setState(() {
        counter = 0;
      });
      // Restart animation on reset
      _animationController.reset();
      _animationController.forward();
    }
  
    addItem() {
      setState(() {
        items.add('Item \${items.length + 1}');
      });
    }
  
    onTabTapped(int index) {
      setState(() {
        currentIndex = index;
      });
      // Animate tab change
      _animationController.reset();
      _animationController.forward();
    }
  
    navigateToDetail(String item) {
      Navigator.of(
        context,
      ).push(MaterialPageRoute(builder: (context) => DetailScreen(item: item)));
    }
  
    @override
    build(context) {
      List<Widget> screens = [
        HomeScreen(
          counter: counter,
          increment: increment,
          reset: reset,
          fadeAnimation: _fadeAnimation,
          scaleAnimation: _scaleAnimation,
        ),
        ListScreen(
          items: items,
          onItemTap: navigateToDetail,
          fadeAnimation: _fadeAnimation,
        ),
        ProfileScreen(fadeAnimation: _fadeAnimation),
      ];
  
      return Scaffold(
        appBar: AppBar(
          title: Text('Complex App - Advanced Theming'),
          actions: [
            IconButton(
              icon: Icon(Icons.search),
              onPressed: () {},
              tooltip: 'Search',
            ),
            ListenableBuilder(
              listenable: widget.themeController,
              builder: (context, child) {
                return IconButton(
                  icon: Icon(_getThemeIcon()),
                  onPressed: () {
                    try {
                      widget.themeController.toggleTheme();
                    } catch (e) {
                      print(e);
                    }
                  },
                  tooltip: 'Toggle Theme: \${_getThemeLabel()}',
                );
              },
            ),
            PopupMenuButton<String>(
              icon: Icon(Icons.more_vert),
              tooltip: 'More Options',
              onSelected: (String value) {
                // Handle menu selection
                switch (value) {
                  case 'settings':
                    // Navigate to settings
                    break;
                  case 'about':
                    // Show about dialog
                    showDialog(
                      context: context,
                      builder: (context) => AlertDialog(
                        title: Text('About'),
                        content: Text('Flutter Run Example App v1.0'),
                        actions: [
                          TextButton(
                            onPressed: () => Navigator.of(context).pop(),
                            child: Text('OK'),
                          ),
                        ],
                      ),
                    );
                    break;
                  case 'help':
                    // Show help
                    break;
                  case 'share':
                    // Share app
                    break;
                  case 'theme_light':
                    widget.themeController.setThemeMode(ThemeMode.light);
                    break;
                  case 'theme_dark':
                    widget.themeController.setThemeMode(ThemeMode.dark);
                    break;
                  case 'theme_system':
                    widget.themeController.setThemeMode(ThemeMode.system);
                    break;
                }
              },
              itemBuilder: (BuildContext context) => <PopupMenuEntry<String>>[
                PopupMenuItem<String>(
                  value: 'settings',
                  child: ListTile(
                    leading: Icon(Icons.settings),
                    title: Text('Settings'),
                    contentPadding: EdgeInsets.zero,
                  ),
                ),
                PopupMenuItem<String>(
                  value: 'about',
                  child: ListTile(
                    leading: Icon(Icons.info),
                    title: Text('About'),
                    contentPadding: EdgeInsets.zero,
                  ),
                ),
                PopupMenuDivider(),
                PopupMenuItem<String>(
                  value: 'theme_light',
                  child: ListTile(
                    leading: Icon(Icons.light_mode),
                    title: Text('Light Theme'),
                    contentPadding: EdgeInsets.zero,
                  ),
                ),
                PopupMenuItem<String>(
                  value: 'theme_dark',
                  child: ListTile(
                    leading: Icon(Icons.dark_mode),
                    title: Text('Dark Theme'),
                    contentPadding: EdgeInsets.zero,
                  ),
                ),
                PopupMenuItem<String>(
                  value: 'theme_system',
                  child: ListTile(
                    leading: Icon(Icons.auto_mode),
                    title: Text('System Theme'),
                    contentPadding: EdgeInsets.zero,
                  ),
                ),
                PopupMenuDivider(),
                PopupMenuItem<String>(
                  value: 'help',
                  child: ListTile(
                    leading: Icon(Icons.help),
                    title: Text('Help'),
                    contentPadding: EdgeInsets.zero,
                  ),
                ),
                PopupMenuItem<String>(
                  value: 'share',
                  child: ListTile(
                    leading: Icon(Icons.share),
                    title: Text('Share'),
                    contentPadding: EdgeInsets.zero,
                  ),
                ),
              ],
            ),
          ],
        ),
        body: AnimatedBuilder(
          animation: _fadeAnimation,
          builder: (context, child) {
            return FadeTransition(
              opacity: _fadeAnimation,
              child: screens[currentIndex],
            );
          },
        ),
        bottomNavigationBar: BottomNavigationBar(
          currentIndex: currentIndex,
          onTap: onTabTapped,
          items: [
            BottomNavigationBarItem(icon: Icon(Icons.home), label: 'Home'),
            BottomNavigationBarItem(icon: Icon(Icons.list), label: 'List'),
            BottomNavigationBarItem(icon: Icon(Icons.person), label: 'Profile'),
          ],
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: addItem,
          tooltip: 'Add Item',
          child: Icon(Icons.add),
        ),
      );
    }
  
    IconData _getThemeIcon() {
      switch (widget.themeController.themeMode) {
        case ThemeMode.light:
          return Icons.light_mode;
        case ThemeMode.dark:
          return Icons.dark_mode;
        case ThemeMode.system:
          return Icons.auto_mode;
      }
    }
  
    String _getThemeLabel() {
      switch (widget.themeController.themeMode) {
        case ThemeMode.light:
          return 'Light';
        case ThemeMode.dark:
          return 'Dark';
        case ThemeMode.system:
          return 'System';
      }
    }
  }
  
  class HomeScreen extends StatelessWidget {
    final int counter;
    final Function()? increment;
    final Function()? reset;
    final Animation<double> fadeAnimation;
    final Animation<double> scaleAnimation;
  
    const HomeScreen({
      super.key,
      required this.counter,
      required this.increment,
      required this.fadeAnimation,
      required this.scaleAnimation,
      required this.reset,
    });
  
    @override
    build(context) {
      final theme = Theme.of(context);
      final colorScheme = theme.colorScheme;
  
      return SingleChildScrollView(
        child: Container(
          padding: EdgeInsets.all(20.0),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              // Welcome Card with animation
              AnimatedBuilder(
                animation: scaleAnimation,
                builder: (context, child) {
                  return Transform.scale(
                    scale: scaleAnimation.value,
                    child: Card(
                      child: Container(
                        padding: EdgeInsets.all(24.0),
                        width: double.infinity,
                        child: Column(
                          children: [
                            Icon(
                              Icons.trending_up,
                              size: 64.0,
                              color: colorScheme.primary,
                            ),
                            SizedBox(height: 16.0),
                            Text(
                              'Counter Dashboard',
                              style: theme.textTheme.headlineMedium,
                            ),
                            SizedBox(height: 8.0),
                            Text(
                              'Track your progress with our advanced counter',
                              style: theme.textTheme.bodyLarge?.copyWith(
                                color: colorScheme.onSurfaceVariant,
                              ),
                              textAlign: TextAlign.center,
                            ),
                            SizedBox(height: 16.0),
                            AnimatedBuilder(
                              animation: fadeAnimation,
                              builder: (context, child) {
                                return AnimatedDefaultTextStyle(
                                  duration: Duration(milliseconds: 300),
                                  style:
                                      theme.textTheme.headlineLarge?.copyWith(
                                        fontSize: 56.0,
                                        color: Color.lerp(
                                          colorScheme.primary,
                                          colorScheme.secondary,
                                          fadeAnimation.value,
                                        ),
                                      ) ??
                                      TextStyle(),
                                  child: Text('\$counter'),
                                );
                              },
                            ),
                          ],
                        ),
                      ),
                    ),
                  );
                },
              ),
              SizedBox(height: 20.0),
  
              // Action Buttons
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                children: [
                  ElevatedButton.icon(
                    onPressed: increment,
                    icon: Icon(Icons.add),
                    label: Text('Increment'),
                  ),
                  OutlinedButton.icon(
                    onPressed: reset,
                    icon: Icon(Icons.refresh),
                    label: Text('Reset'),
                  ),
                ],
              ),
              SizedBox(height: 20.0),
  
              // Stats Card with fade animation
              FadeTransition(
                opacity: fadeAnimation,
                child: Card(
                  child: Container(
                    padding: EdgeInsets.all(20.0),
                    width: double.infinity,
                    child: Column(
                      crossAxisAlignment: CrossAxisAlignment.start,
                      children: [
                        Row(
                          children: [
                            Icon(Icons.analytics, color: colorScheme.secondary),
                            SizedBox(width: 8.0),
                            Text(
                              'Statistics',
                              style: theme.textTheme.headlineSmall,
                            ),
                          ],
                        ),
                        SizedBox(height: 16.0),
                        Row(
                          mainAxisAlignment: MainAxisAlignment.spaceBetween,
                          children: [
                            Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                Text(
                                  'Current Value',
                                  style: theme.textTheme.bodyMedium?.copyWith(
                                    color: colorScheme.onSurfaceVariant,
                                  ),
                                ),
                                Text(
                                  '\$counter',
                                  style: theme.textTheme.titleLarge?.copyWith(
                                    color: colorScheme.primary,
                                    fontWeight: FontWeight.bold,
                                  ),
                                ),
                              ],
                            ),
                            Column(
                              crossAxisAlignment: CrossAxisAlignment.end,
                              children: [
                                Text(
                                  'Status',
                                  style: theme.textTheme.bodyMedium?.copyWith(
                                    color: colorScheme.onSurfaceVariant,
                                  ),
                                ),
                                Container(
                                  padding: EdgeInsets.symmetric(
                                    horizontal: 12.0,
                                    vertical: 4.0,
                                  ),
                                  decoration: BoxDecoration(
                                    color: colorScheme.primaryContainer,
                                    borderRadius: BorderRadius.circular(16.0),
                                  ),
                                  child: Text(
                                    counter > 10
                                        ? 'High'
                                        : counter > 5
                                        ? 'Medium'
                                        : 'Low',
                                    style: theme.textTheme.bodySmall?.copyWith(
                                      color: colorScheme.onPrimaryContainer,
                                      fontWeight: FontWeight.w600,
                                    ),
                                  ),
                                ),
                              ],
                            ),
                          ],
                        ),
                      ],
                    ),
                  ),
                ),
              ),
              SizedBox(height: 20.0),
              Row(
                mainAxisAlignment: MainAxisAlignment.spaceEvenly,
                children: [
                  _buildStatCard('Tasks', '12', Icons.task_alt, Colors.blue),
                  _buildStatCard('Messages', '5', Icons.message, Colors.orange),
                ],
              ),
            ],
          ),
        ),
      );
    }
  
    Widget _buildStatCard(
      String title,
      String value,
      IconData icon,
      Color color,
    ) {
      return Card(
        child: Container(
          padding: EdgeInsets.all(16.0),
          width: 120.0,
          child: Column(
            children: [
              Icon(icon, color: color, size: 32.0),
              SizedBox(height: 8.0),
              Text(
                value,
                style: TextStyle(fontSize: 24.0, fontWeight: FontWeight.bold),
              ),
              Text(title, style: TextStyle(fontSize: 12.0, color: Colors.grey)),
            ],
          ),
        ),
      );
    }
  }
  
  class ListScreen extends StatelessWidget {
    final List<String> items;
    final Function(String) onItemTap;
    final Animation<double> fadeAnimation;
  
    const ListScreen({
      super.key,
      required this.items,
      required this.onItemTap,
      required this.fadeAnimation,
    });
  
    @override
    build(context) {
      return FadeTransition(
        opacity: fadeAnimation,
        child: ListView.builder(
          padding: EdgeInsets.all(16.0),
          itemCount: items.length,
          itemBuilder: (context, index) {
            return AnimatedContainer(
              duration: Duration(milliseconds: 300 + (index * 100)),
              curve: Curves.easeOutBack,
              margin: EdgeInsets.only(bottom: 8.0),
              child: Card(
                child: ListTile(
                  leading: CircleAvatar(
                    backgroundColor: Colors.deepPurple,
                    child: Text('\${index + 1}'),
                  ),
                  title: Text(items[index]),
                  subtitle: Text('Description for \${items[index]}'),
                  trailing: Icon(Icons.arrow_forward_ios),
                  onTap: () => onItemTap(items[index]),
                ),
              ),
            );
          },
        ),
      );
    }
  }
  
  class ProfileScreen extends StatelessWidget {
    final Animation<double> fadeAnimation;
  
    const ProfileScreen({super.key, required this.fadeAnimation});
  
    @override
    build(context) {
      return FadeTransition(
        opacity: fadeAnimation,
        child: SingleChildScrollView(
          padding: EdgeInsets.all(16.0),
          child: Column(
            children: [
              SizedBox(
                width: double.infinity,
                child: Card(
                  child: Padding(
                    padding: EdgeInsets.all(24.0),
                    child: Column(
                      children: [
                        CircleAvatar(
                          radius: 50.0,
                          backgroundColor: Colors.deepPurple,
                          child: Icon(
                            Icons.person,
                            size: 50.0,
                            color: Colors.white,
                          ),
                        ),
                        SizedBox(height: 16.0),
                        Text(
                          'John Doe',
                          style: TextStyle(
                            fontSize: 24.0,
                            fontWeight: FontWeight.bold,
                          ),
                        ),
                        Text(
                          'john.doe@example.com',
                          style: TextStyle(color: Colors.grey),
                        ),
                      ],
                    ),
                  ),
                ),
              ),
              SizedBox(height: 16.0),
              _buildProfileOption(Icons.settings, 'Settings'),
              _buildProfileOption(Icons.notifications, 'Notifications'),
              _buildProfileOption(Icons.help, 'Help & Support'),
              _buildProfileOption(Icons.logout, 'Logout'),
            ],
          ),
        ),
      );
    }
  
    Widget _buildProfileOption(IconData icon, String title) {
      return Card(
        margin: EdgeInsets.only(bottom: 8.0),
        child: ListTile(
          leading: Icon(icon, color: Colors.deepPurple),
          title: Text(title),
          trailing: Icon(Icons.arrow_forward_ios),
          onTap: () {},
        ),
      );
    }
  }
  
  class DetailScreen extends StatelessWidget {
    final String item;
  
    const DetailScreen({super.key, required this.item});
  
    @override
    build(context) {
      return Scaffold(
        appBar: AppBar(title: Text(item), backgroundColor: Colors.deepPurple),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              Icon(Icons.info, size: 64.0, color: Colors.deepPurple),
              SizedBox(height: 16.0),
              Text('Details for \$item', style: TextStyle(fontSize: 24.0)),
              SizedBox(height: 32.0),
              ElevatedButton(
                onPressed: () => Navigator.of(context).pop(),
                child: Text('Go Back'),
              ),
            ],
          ),
        ),
      );
    }
  }
  
      ''';
  