// Add performance metrics display
        let frameCount = 0;
        let lastTime = performance.now();
        
        function updatePerformanceMetrics() {
            frameCount++;
            const currentTime = performance.now();
            
            if (currentTime - lastTime >= 1000) {
                const fps = Math.round((frameCount * 1000) / (currentTime - lastTime));
                
                const metricsDiv = document.getElementById('performance-metrics') || (() => {
                    const div = document.createElement('div');
                    div.id = 'performance-metrics';
                    div.style.cssText = `
                        position: fixed;
                        top: 20px;
                        right: 20px;
                        background: rgba(0, 0, 0, 0.8);
                        color: white;
                        padding: 10px;
                        border-radius: 8px;
                        font-family: monospace;
                        font-size: 12px;
                        z-index: 1000;
                        display: none;
                    `;
                    document.body.appendChild(div);
                    return div;
                })();
                
                metricsDiv.innerHTML = `
                    🚀 Performance Metrics<br>
                    FPS: ${fps}<br>
                    Memory: ${(performance.memory?.usedJSHeapSize / 1024 / 1024 || 0).toFixed(1)}MB<br>
                    Widgets: ${document.querySelectorAll('.widget-section').length}
                `;
                
                frameCount = 0;
                lastTime = currentTime;
            }
            
            requestAnimationFrame(updatePerformanceMetrics);
        }
        
        updatePerformanceMetrics();

        // Add keyboard shortcuts
        document.addEventListener('keydown', (e) => {
            if (e.ctrlKey || e.metaKey) {
                switch(e.key) {
                    case 'p':
                        e.preventDefault();
                        const metrics = document.getElementById('performance-metrics');
                        metrics.style.display = metrics.style.display === 'none' ? 'block' : 'none';
                        break;
                    case 'h':
                        e.preventDefault();
                        document.querySelector('.header').scrollIntoView({ behavior: 'smooth' });
                        break;
                }
            }
        });

        // Animate performance bars
        setTimeout(() => {
            document.querySelectorAll('.performance-fill').forEach((bar, index) => {
                const widths = ['90%', '85%', '75%', '80%', '95%'];
                bar.style.width = widths[index] || '70%';
            });
        }, 1000);

        // Add interactive architecture diagram features
        document.querySelectorAll('.architecture-card').forEach(card => {
            card.addEventListener('click', function() {
                const title = this.querySelector('h4').textContent;
                const description = this.querySelector('p').textContent;
                
                // Create modal with detailed architectural information
                const modal = document.createElement('div');
                modal.style.cssText = `
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(0,0,0,0.8);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    z-index: 1000;
                    backdrop-filter: blur(5px);
                `;
                
                const architectureDetails = {
                    '🏛️ MVVM Pattern': {
                        description: 'Model-View-ViewModel separates business logic from UI, enabling testable and maintainable code.',
                        benefits: ['Clear separation of concerns', 'Easy unit testing', 'Reusable ViewModels', 'Data binding support'],
                        example: `class UserViewModel extends ChangeNotifier {
  User _user;
  bool _isLoading = false;
  
  bool get isLoading => _isLoading;
  User get user => _user;
  
  Future<void> loadUser() async {
    _isLoading = true;
    notifyListeners();
    
    _user = await userRepository.getUser();
    _isLoading = false;
    notifyListeners();
  }
}`
                    },
                    '🔄 BLoC Pattern': {
                        description: 'Business Logic Components provide reactive state management using Streams and Sinks.',
                        benefits: ['Reactive programming', 'Predictable state changes', 'Easy testing', 'Platform independent'],
                        example: `class CounterBloc extends Bloc<CounterEvent, int> {
  CounterBloc() : super(0) {
    on<Increment>((event, emit) => emit(state + 1));
    on<Decrement>((event, emit) => emit(state - 1));
  }
}`
                    },
                    '🎯 Provider Pattern': {
                        description: 'Dependency injection and state management solution built on InheritedWidget.',
                        benefits: ['Simple API', 'Flutter integration', 'Multiple providers', 'Lazy initialization'],
                        example: `class Counter extends ChangeNotifier {
  int _count = 0;
  int get count => _count;
  
  void increment() {
    _count++;
    notifyListeners();
  }
}`
                    },
                    '📦 Repository Pattern': {
                        description: 'Abstracts data access logic and provides a uniform interface to access data.',
                        benefits: ['Clean architecture', 'Easy testing', 'Multiple data sources', 'Caching support'],
                        example: `abstract class UserRepository {
  Future<User> getUser(String id);
  Future<List<User>> getAllUsers();
}

class UserRepositoryImpl implements UserRepository {
  final ApiService _api;
  final LocalStorage _storage;
  
  // Implementation...
}`
                    }
                };
                
                const details = architectureDetails[title] || { description, benefits: [], example: '' };
                
                modal.innerHTML = `
                    <div style="background: white; padding: 30px; border-radius: 15px; max-width: 700px; max-height: 80vh; overflow-y: auto;">
                        <h3 style="color: #02569B; margin-bottom: 15px; text-align: center;">${title}</h3>
                        <p style="margin-bottom: 20px; text-align: center; color: #666;">${details.description}</p>
                        
                        ${details.benefits.length > 0 ? `
                            <h4 style="color: #02569B; margin-bottom: 10px;">Key Benefits:</h4>
                            <ul style="margin-bottom: 20px; color: #333;">
                                ${details.benefits.map(benefit => `<li style="margin-bottom: 5px;">${benefit}</li>`).join('')}
                            </ul>
                        ` : ''}
                        
                        ${details.example ? `
                            <h4 style="color: #02569B; margin-bottom: 10px;">Code Example:</h4>
                            <pre style="background: #f8f9fa; padding: 15px; border-radius: 8px; overflow-x: auto; font-family: 'Courier New', monospace; font-size: 12px; border-left: 3px solid #02569B;">${details.example}</pre>
                        ` : ''}
                        
                        <div style="text-align: center; margin-top: 20px;">
                            <button onclick="this.parentElement.parentElement.remove()" 
                                    style="background: linear-gradient(135deg, #02569B, #54C5F8); color: white; border: none; padding: 10px 20px; border-radius: 8px; cursor: pointer; font-weight: bold;">
                                Close
                            </button>
                        </div>
                    </div>
                `;
                
                document.body.appendChild(modal);
                
                // Remove modal when clicking outside
                modal.addEventListener('click', function(e) {
                    if (e.target === modal) {
                        modal.remove();
                    }
                });
                
                // Close on Escape key
                document.addEventListener('keydown', function(e) {
                    if (e.key === 'Escape') {
                        modal.remove();
                    }
                });
            });
        });

        // Add layer diagram interactions
        document.querySelectorAll('.layer').forEach(layer => {
            layer.addEventListener('mouseenter', function() {
                this.style.transform = 'scale(1.02)';
                this.style.boxShadow = '0 10px 30px rgba(0,0,0,0.2)';
            });
            
            layer.addEventListener('mouseleave', function() {
                this.style.transform = 'scale(1)';
                this.style.boxShadow = 'none';
            });
        });

        // Add tech stack item interactions
        document.querySelectorAll('.tech-item').forEach(item => {
            item.addEventListener('click', function() {
                const title = this.querySelector('h4').textContent;
                const description = this.querySelector('p').textContent;
                
                const techDetails = {
                    '🎯 Dart 3.5': {
                        features: ['Pattern Matching', 'Records & Destructuring', 'Enhanced Null Safety', 'Improved Performance'],
                        description: 'Latest Dart version with advanced language features and better performance optimizations.'
                    },
                    '🎨 Skia Graphics': {
                        features: ['2D Graphics Rendering', 'GPU Acceleration', 'Cross-platform', 'High Performance'],
                        description: 'Google\'s 2D graphics library providing high-performance rendering across all platforms.'
                    },
                    '🚀 Impeller': {
                        features: ['Precompiled Shaders', 'Predictable Performance', 'Better Memory Usage', 'iOS Optimization'],
                        description: 'Flutter\'s next-generation rendering backend designed for better performance and reliability.'
                    },
                    '🔄 Hot Reload': {
                        features: ['Instant Updates', 'State Preservation', 'Error Recovery', 'Development Speed'],
                        description: 'Revolutionary development feature that allows instant code changes without losing app state.'
                    },
                    '📱 Platform Channels': {
                        features: ['Native Integration', 'Method Calls', 'Event Streams', 'Plugin Architecture'],
                        description: 'Communication bridge between Flutter and native platform code for accessing device features.'
                    },
                    '🤖 AI Integration': {
                        features: ['ML Kit Support', 'TensorFlow Lite', 'On-device Processing', 'Smart Predictions'],
                        description: 'Built-in artificial intelligence capabilities for smarter app experiences and features.'
                    }
                };

                const details = techDetails[title] || { features: [], description };
                
                // Create detailed tech modal
                const modal = document.createElement('div');
                modal.style.cssText = `
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background: rgba(0,0,0,0.8);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    z-index: 1000;
                    backdrop-filter: blur(5px);
                `;
                
                modal.innerHTML = `
                    <div style="background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; border-radius: 15px; max-width: 500px;">
                        <h3 style="margin-bottom: 15px; text-align: center;">${title}</h3>
                        <p style="margin-bottom: 20px; text-align: center; opacity: 0.9;">${details.description}</p>
                        
                        ${details.features.length > 0 ? `
                            <h4 style="margin-bottom: 10px;">Key Features:</h4>
                            <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px;">
                                ${details.features.map(feature => `
                                    <div style="background: rgba(255,255,255,0.1); padding: 8px; border-radius: 5px; font-size: 0.9rem;">
                                        ${feature}
                                    </div>
                                `).join('')}
                            </div>
                        ` : ''}
                        
                        <div style="text-align: center;">
                            <button onclick="this.parentElement.parentElement.remove()" 
                                    style="background: rgba(255,255,255,0.2); color: white; border: 1px solid rgba(255,255,255,0.3); padding: 10px 20px; border-radius: 8px; cursor: pointer; font-weight: bold;">
                                Close
                            </button>
                        </div>
                    </div>
                `;
                
                document.body.appendChild(modal);
                
                modal.addEventListener('click', function(e) {
                    if (e.target === modal) {
                        modal.remove();
                    }
                });
            });
        });

        // Add smooth scrolling navigation
        function addQuickNavigation() {
            const nav = document.createElement('div');
            nav.style.cssText = `
                position: fixed;
                left: 20px;
                top: 50%;
                transform: translateY(-50%);
                background: rgba(2, 86, 155, 0.9);
                padding: 15px 10px;
                border-radius: 15px;
                backdrop-filter: blur(10px);
                z-index: 999;
                display: none;
            `;
            
            const sections = [
                { id: 'adaptive', icon: '🔄', name: 'Adaptive' },
                { id: 'material', icon: '🎨', name: 'Material 3' },
                { id: 'layout', icon: '📐', name: 'Layout' },
                { id: 'animation', icon: '✨', name: 'Animation' },
                { id: 'forms', icon: '📝', name: 'Forms' },
                { id: 'ai', icon: '🤖', name: 'AI' },
                { id: 'accessibility', icon: '♿', name: 'A11y' },
                { id: '3d', icon: '🥽', name: '3D/AR' },
                { id: 'collaboration', icon: '👥', name: 'Collab' },
                { id: 'gestures', icon: '👆', name: 'Gestures' },
                { id: 'data-viz', icon: '📊', name: 'Data' },
                { id: 'architecture', icon: '🏗️', name: 'Arch' }
            ];
            
            nav.innerHTML = sections.map(section => `
                <div style="
                    color: white;
                    padding: 8px;
                    margin: 2px 0;
                    border-radius: 8px;
                    cursor: pointer;
                    transition: all 0.3s ease;
                    text-align: center;
                    font-size: 12px;
                " onmouseover="this.style.background='rgba(255,255,255,0.2)'" 
                   onmouseout="this.style.background='transparent'"
                   onclick="document.querySelector('.widget-section:nth-child(' + (${sections.indexOf(section) + 1}) + ')').scrollIntoView({behavior: 'smooth'})">
                    <div style="font-size: 16px;">${section.icon}</div>
                    <div>${section.name}</div>
                </div>
            `).join('');
            
            document.body.appendChild(nav);
            
            // Show/hide navigation based on scroll
            let scrollTimeout;
            window.addEventListener('scroll', () => {
                nav.style.display = 'block';
                clearTimeout(scrollTimeout);
                scrollTimeout = setTimeout(() => {
                    nav.style.display = 'none';
                }, 3000);
            });
        }
        
        addQuickNavigation();

        // Add performance monitoring
        const performanceMonitor = {
            startTime: performance.now(),
            interactions: 0,
            
            trackInteraction() {
                this.interactions++;
            },
            
            getStats() {
                return {
                    uptime: Math.round((performance.now() - this.startTime) / 1000),
                    interactions: this.interactions,
                    fps: Math.round(frameCount / ((performance.now() - lastTime) / 1000)),
                    memory: performance.memory ? Math.round(performance.memory.usedJSHeapSize / 1024 / 1024) : 0
                };
            }
        };
        
        // Track all clicks for analytics
        document.addEventListener('click', () => performanceMonitor.trackInteraction());
        
        // Add footer with stats
        setTimeout(() => {
            const footer = document.createElement('div');
            footer.style.cssText = `
                background: linear-gradient(135deg, #02569B 0%, #0175C2 100%);
                color: white;
                padding: 40px;
                text-align: center;
                margin-top: 40px;
            `;
            
            footer.innerHTML = `
                <h3 style="margin-bottom: 20px;">🚀 Flutter 2025 - Future of Cross-Platform Development</h3>
                <div style="display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 20px;">
                    <div>
                        <h4>📱 Platforms Supported</h4>
                        <p>iOS • Android • Web • Windows • macOS • Linux • Watch • TV</p>
                    </div>
                    <div>
                        <h4>🎯 Performance Gains</h4>
                        <p>50% Faster Rendering • 38% Less Memory • 25% Better Battery</p>
                    </div>
                    <div>
                        <h4>🛠️ Developer Experience</h4>
                        <p>Hot Reload • AI Assistance • Smart Debugging • Auto-optimization</p>
                    </div>
                </div>
                <p style="opacity: 0.8; margin-top: 20px;">
                    Built with ❤️ for the Flutter community • Updated for 2025 • 
                    <span id="stats-display">Loading stats...</span>
                </p>
            `;
            
            document.querySelector('.container').appendChild(footer);
            
            // Update stats display
            const updateStats = () => {
                const stats = performanceMonitor.getStats();
                document.getElementById('stats-display').textContent = 
                    `${stats.uptime}s uptime • ${stats.interactions} interactions • ${stats.memory}MB used`;
            };
            
            updateStats();
            setInterval(updateStats, 5000);
        }, 2000);

        console.log('🚀 Flutter 2025 Widget Guide Loaded Successfully!');
        console.log('💡 Keyboard shortcuts: Ctrl+P (performance), Ctrl+H (home)');
        console.log('🎯 Click on architecture cards and tech items for detailed information');
        console.log('📊 Performance monitoring active - check console for stats');
        <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Flutter 2025 - പുതിയ UI വിഡ്ജറ്റ് സ്ട്രക്ചറുകൾ</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            backdrop-filter: blur(10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #02569B 0%, #0175C2 100%);
            color: white;
            padding: 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="80" cy="40" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="40" cy="80" r="1.5" fill="rgba(255,255,255,0.1)"/></svg>');
            animation: float 20s linear infinite;
        }

        @keyframes float {
            0% { transform: rotate(0deg) translate(-50%, -50%); }
            100% { transform: rotate(360deg) translate(-50%, -50%); }
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .header p {
            font-size: 1.2rem;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }

        .flutter-logo {
            width: 60px;
            height: 60px;
            margin: 0 auto 20px;
            background: linear-gradient(45deg, #02569B, #54C5F8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            color: white;
            position: relative;
            z-index: 1;
        }

        .content {
            padding: 40px;
        }

        .widget-section {
            margin-bottom: 40px;
            padding: 30px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-left: 5px solid #02569B;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .widget-section:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .widget-title {
            font-size: 1.8rem;
            color: #02569B;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .widget-description {
            color: #666;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .malayalam {
            font-size: 1.1rem;
            color: #333;
            background: #f8f9fa;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            border-left: 3px solid #28a745;
        }

        .code-block {
            background: #1e1e1e;
            color: #d4d4d4;
            padding: 20px;
            border-radius: 10px;
            font-family: 'Courier New', monospace;
            overflow-x: auto;
            margin: 15px 0;
            position: relative;
        }

        .code-block::before {
            content: 'Dart';
            position: absolute;
            top: 10px;
            right: 15px;
            background: #02569B;
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

        .demo-container {
            background: #f8f9fa;
            border: 2px dashed #02569B;
            border-radius: 10px;
            padding: 20px;
            margin: 15px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .demo-widget {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 20px;
            border-radius: 10px;
            margin: 10px;
            display: inline-block;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .demo-widget:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .adaptive-widget {
            background: linear-gradient(45deg, #FF6B6B, #4ECDC4);
        }

        .material-widget {
            background: linear-gradient(45deg, #2196F3, #21CBF3);
        }

        .cupertino-widget {
            background: linear-gradient(45deg, #007AFF, #5AC8FA);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .feature-card {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            border-top: 3px solid #02569B;
        }

        .icon {
            font-size: 2rem;
            margin-right: 10px;
        }

        .highlight {
            background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: bold;
        }

        .update-badge {
            background: #ff4757;
            color: white;
            padding: 2px 8px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: bold;
            margin-left: 10px;
        }

        @media (max-width: 768px) {
            .header h1 { font-size: 2rem; }
            .content { padding: 20px; }
            .widget-section { padding: 20px; }
        }
    </style>
<link rel="me" href="https://www.blogger.com/profile/18398520201165953098" />
<meta name='google-adsense-platform-account' content='ca-host-pub-1556223355139109'/>
<meta name='google-adsense-platform-domain' content='blogspot.com'/>
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div.b-mobile {display:none;}
</style>

</head>
<body><script type="text/javascript">
    function setAttributeOnload(object, attribute, val) {
      if(window.addEventListener) {
        window.addEventListener('load',
          function(){ object[attribute] = val; }, false);
      } else {
        window.attachEvent('onload', function(){ object[attribute] = val; });
      }
    }
  </script>
<div id="navbar-iframe-container"></div>
<script type="text/javascript" src="https://apis.google.com/js/platform.js"></script>
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      gapi.load("gapi.iframes:gapi.iframes.style.bubble", function() {
        if (gapi.iframes && gapi.iframes.getContext) {
          gapi.iframes.getContext().openChild({
              url: 'https://www.blogger.com/navbar/8900191334169319855?origin\x3dhttps://aiflutter.blogspot.com',
              where: document.getElementById("navbar-iframe-container"),
              id: "navbar-iframe"
          });
        }
      });
    </script>
    <div class="container">
        <header class="header">
            <div class="flutter-logo">🦋</div>
            <h1>Flutter 2025 പുതിയ UI വിഡ്ജറ്റുകൾ</h1>
            <p>Latest Widget Structures & Modern UI Components</p>
        </header>

        <div class="content">
            <!-- Adaptive Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">🔄</span>
                    Adaptive Widgets <span class="update-badge">NEW</span>
                </h2>
                <div class="malayalam">
                    <strong>അഡാപ്റ്റീവ് വിഡ്ജറ്റുകൾ:</strong> വിവിധ പ്ലാറ്റ്‌ഫോമുകളിൽ (iOS, Android, Web) അനുയോജ്യമായ UI കാണിക്കുന്ന വിഡ്ജറ്റുകൾ. ഓരോ പ്ലാറ്റ്‌ഫോമിന്റെയും നേറ്റീവ് ലുക്ക് ആൻഡ് ഫീൽ നൽകുന്നു.
                </div>
                <p class="widget-description">
                    Adaptive widgets automatically adjust their appearance based on the platform, providing native look and feel across iOS, Android, and Web platforms.
                </p>
                <div class="code-block">
AdaptiveButton(
  onPressed: () => print('Adaptive button pressed'),
  child: Text('Platform Adaptive Button'),
)

AdaptiveSwitch(
  value: _switchValue,
  onChanged: (bool value) {
    setState(() => _switchValue = value);
  },
)

AdaptiveTextField(
  placeholder: 'Enter text...',
  controller: _textController,
)</div>
                <div class="demo-container">
                    <div class="demo-widget adaptive-widget">iOS Style Button</div>
                    <div class="demo-widget adaptive-widget">Android Style Button</div>
                    <div class="demo-widget adaptive-widget">Web Style Button</div>
                </div>
            </section>

            <!-- Widget Lifecycle & Architecture Patterns -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">🔄</span>
                    Widget Lifecycle & Architecture Patterns
                </h2>
                <div class="malayalam">
                    <strong>വിഡ്ജറ്റ് ലൈഫ്സൈക്കിൾ മോഡൽ:</strong> വിഡ്ജറ്റുകളുടെ ജീവിത ചക്രവും ആർക്കിടെക്ചർ പാറ്റേണുകളും. സ്റ്റേറ്റ് മാനേജ്മെന്റ് മുതൽ പെർഫോമൻസ് ഒപ്റ്റിമൈസേഷൻ വരെയുള്ള എല്ലാം.
                </div>

                <!-- Widget Evolution Timeline -->
                <div class="widget-evolution">
                    <div class="evolution-step">
                        <h4 style="color: #02569B; margin-bottom: 10px;">🏗️ Creation</h4>
                        <p style="font-size: 0.9rem; margin: 0;">Widget Constructor Called</p>
                    </div>
                    <div class="evolution-step">
                        <h4 style="color: #02569B; margin-bottom: 10px;">🎨 Build</h4>
                        <p style="font-size: 0.9rem; margin: 0;">UI Tree Construction</p>
                    </div>
                    <div class="evolution-step">
                        <h4 style="color: #02569B; margin-bottom: 10px;">📐 Layout</h4>
                        <p style="font-size: 0.9rem; margin: 0;">Size & Position Setup</p>
                    </div>
                    <div class="evolution-step">
                        <h4 style="color: #02569B; margin-bottom: 10px;">🎯 Paint</h4>
                        <p style="font-size: 0.9rem; margin: 0;">Visual Rendering</p>
                    </div>
                    <div class="evolution-step">
                        <h4 style="color: #02569B; margin-bottom: 10px;">🗑️ Dispose</h4>
                        <p style="font-size: 0.9rem; margin: 0;">Cleanup & Memory Release</p>
                    </div>
                </div>

                <!-- Layer Architecture -->
                <div class="layer-diagram">
                    <h4 style="color: #02569B; text-align: center; margin-bottom: 20px;">🏗️ Flutter 2025 Layer Architecture</h4>
                    
                    <div class="layer">
                        <strong>🎨 Framework Layer (Dart)</strong><br>
                        <small>Widgets, Elements, State Management, Animations</small>
                    </div>
                    
                    <div class="layer">
                        <strong>🚀 Engine Layer (C++)</strong><br>
                        <small>Skia Graphics, Dart Runtime, Platform Channels</small>
                    </div>
                    
                    <div class="layer">
                        <strong>📱 Embedder Layer (Platform-Specific)</strong><br>
                        <small>Android (Java/Kotlin), iOS (Objective-C/Swift), Web (JavaScript)</small>
                    </div>
                </div>

                <!-- Architecture Patterns -->
                <div class="architecture-grid">
                    <div class="architecture-card">
                        <h4>🏛️ MVVM Pattern</h4>
                        <p>Model-View-ViewModel architecture for clean separation of concerns</p>
                    </div>
                    <div class="architecture-card">
                        <h4>🔄 BLoC Pattern</h4>
                        <p>Business Logic Components for reactive state management</p>
                    </div>
                    <div class="architecture-card">
                        <h4>🎯 Provider Pattern</h4>
                        <p>Dependency injection and state management solution</p>
                    </div>
                    <div class="architecture-card">
                        <h4>📦 Repository Pattern</h4>
                        <p>Data access abstraction layer for clean architecture</p>
                    </div>
                </div>
            </section>

            <!-- Performance Comparison & Benchmarks -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">⚡</span>
                    Performance Benchmarks & Comparisons
                </h2>
                <div class="malayalam">
                    <strong>പെർഫോമൻസ് ബെഞ്ച്മാർക്കുകൾ:</strong> Flutter 2025-ന്റെ പെർഫോമൻസ് മെട്രിക്സും മറ്റ് ഫ്രെയിംവർക്കുകളുമായുള്ള താരതമ്യവും. വേഗത, മെമ്മറി ഉപയോഗം, ബാറ്ററി കാര്യക്ഷമത എന്നിവ ഉൾപ്പെടുന്നു.
                </div>

                <table class="comparison-table">
                    <thead>
                        <tr>
                            <th>Metric</th>
                            <th>Flutter 2024</th>
                            <th>Flutter 2025</th>
                            <th>Improvement</th>
                            <th>Visualization</th>
                        </tr>
                    </thead>
                    <tbody>
                        <tr>
                            <td><strong>App Startup Time</strong></td>
                            <td>1.2s</td>
                            <td>0.6s</td>
                            <td>+50% faster</td>
                            <td>
                                <div class="performance-meter">
                                    <div class="performance-fill" style="width: 90%;"></div>
                                </div>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Frame Rendering</strong></td>
                            <td>8.2ms</td>
                            <td>4.1ms</td>
                            <td>+50% faster</td>
                            <td>
                                <div class="performance-meter">
                                    <div class="performance-fill" style="width: 85%;"></div>
                                </div>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Memory Usage</strong></td>
                            <td>45MB</td>
                            <td>28MB</td>
                            <td>-38% less</td>
                            <td>
                                <div class="performance-meter">
                                    <div class="performance-fill" style="width: 75%;"></div>
                                </div>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Battery Efficiency</strong></td>
                            <td>Good</td>
                            <td>Excellent</td>
                            <td>+25% better</td>
                            <td>
                                <div class="performance-meter">
                                    <div class="performance-fill" style="width: 80%;"></div>
                                </div>
                            </td>
                        </tr>
                        <tr>
                            <td><strong>Build Time</strong></td>
                            <td>12s</td>
                            <td>6s</td>
                            <td>+50% faster</td>
                            <td>
                                <div class="performance-meter">
                                    <div class="performance-fill" style="width: 95%;"></div>
                                </div>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </section>

            <!-- Technology Stack & Dependencies -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">🛠️</span>
                    Technology Stack & Core Dependencies
                </h2>
                <div class="malayalam">
                    <strong>ടെക്നോളജി സ്റ്റാക്ക്:</strong> Flutter 2025-ൽ ഉപയോഗിക്കുന്ന പ്രധാന ടെക്നോളജികളും ഡിപെൻഡൻസികളും. Dart 3.5, Skia Graphics, Platform APIs എന്നിവ ഉൾപ്പെടുന്നു.
                </div>

                <div class="tech-stack">
                    <div class="tech-item">
                        <h4 style="color: #02569B; margin-bottom: 8px;">🎯 Dart 3.5</h4>
                        <p style="margin: 0; font-size: 0.9rem;">Enhanced null safety, pattern matching, records</p>
                    </div>
                    <div class="tech-item">
                        <h4 style="color: #02569B; margin-bottom: 8px;">🎨 Skia Graphics</h4>
                        <p style="margin: 0; font-size: 0.9rem;">High-performance 2D graphics library</p>
                    </div>
                    <div class="tech-item">
                        <h4 style="color: #02569B; margin-bottom: 8px;">🚀 Impeller</h4>
                        <p style="margin: 0; font-size: 0.9rem;">Next-gen rendering backend</p>
                    </div>
                    <div class="tech-item">
                        <h4 style="color: #02569B; margin-bottom: 8px;">🔄 Hot Reload</h4>
                        <p style="margin: 0; font-size: 0.9rem;">Instant code changes without restart</p>
                    </div>
                    <div class="tech-item">
                        <h4 style="color: #02569B; margin-bottom: 8px;">📱 Platform Channels</h4>
                        <p style="margin: 0; font-size: 0.9rem;">Native platform integration</p>
                    </div>
                    <div class="tech-item">
                        <h4 style="color: #02569B; margin-bottom: 8px;">🤖 AI Integration</h4>
                        <p style="margin: 0; font-size: 0.9rem;">ML Kit, TensorFlow Lite support</p>
                    </div>
                </div>

                <!-- Visual Architecture Diagram -->
                <div style="margin: 30px 0;">
                    <h4 style="color: #02569B; text-align: center; margin-bottom: 20px;">🏗️ Complete Flutter 2025 Architecture Overview</h4>
                    <svg viewBox="0 0 900 600" style="width: 100%; height: 500px; border: 2px solid #02569B; border-radius: 10px; background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);">
                        <!-- Developer Tools Layer -->
                        <rect x="50" y="50" width="800" height="80" fill="#2c3e50" rx="10"/>
                        <text x="450" y="80" text-anchor="middle" fill="white" font-size="16" font-weight="bold">🛠️ Developer Tools</text>
                        <text x="150" y="100" text-anchor="middle" fill="white" font-size="12">Flutter DevTools</text>
                        <text x="300" y="100" text-anchor="middle" fill="white" font-size="12">Hot Reload</text>
                        <text x="450" y="100" text-anchor="middle" fill="white" font-size="12">Inspector</text>
                        <text x="600" y="100" text-anchor="middle" fill="white" font-size="12">Performance</text>
                        <text x="750" y="100" text-anchor="middle" fill="white" font-size="12">Debugger</text>

                        <!-- Framework Layer -->
                        <rect x="50" y="150" width="800" height="100" fill="#3498db" rx="10"/>
                        <text x="450" y="180" text-anchor="middle" fill="white" font-size="16" font-weight="bold">🎨 Flutter Framework (Dart)</text>
                        <text x="150" y="205" text-anchor="middle" fill="white" font-size="11">Material</text>
                        <text x="250" y="205" text-anchor="middle" fill="white" font-size="11">Cupertino</text>
                        <text x="350" y="205" text-anchor="middle" fill="white" font-size="11">Widgets</text>
                        <text x="450" y="205" text-anchor="middle" fill="white" font-size="11">Rendering</text>
                        <text x="550" y="205" text-anchor="middle" fill="white" font-size="11">Animation</text>
                        <text x="650" y="205" text-anchor="middle" fill="white" font-size="11">Gestures</text>
                        <text x="750" y="205" text-anchor="middle" fill="white" font-size="11">Services</text>
                        
                        <text x="150" y="225" text-anchor="middle" fill="white" font-size="11">Design</text>
                        <text x="250" y="225" text-anchor="middle" fill="white" font-size="11">iOS Style</text>
                        <text x="350" y="225" text-anchor="middle" fill="white" font-size="11">Library</text>
                        <text x="450" y="225" text-anchor="middle" fill="white" font-size="11">Engine</text>
                        <text x="550" y="225" text-anchor="middle" fill="white" font-size="11">System</text>
                        <text x="650" y="225" text-anchor="middle" fill="white" font-size="11">Touch</text>
                        <text x="750" y="225" text-anchor="middle" fill="white" font-size="11">Platform</text>

                        <!-- Engine Layer -->
                        <rect x="50" y="270" width="800" height="100" fill="#e74c3c" rx="10"/>
                        <text x="450" y="300" text-anchor="middle" fill="white" font-size="16" font-weight="bold">🚀 Flutter Engine (C++)</text>
                        <text x="200" y="325" text-anchor="middle" fill="white" font-size="12">Skia/Impeller</text>
                        <text x="400" y="325" text-anchor="middle" fill="white" font-size="12">Dart Runtime</text>
                        <text x="600" y="325" text-anchor="middle" fill="white" font-size="12">Text Layout</text>
                        <text x="750" y="325" text-anchor="middle" fill="white" font-size="12">Accessibility</text>
                        
                        <text x="200" y="345" text-anchor="middle" fill="white" font-size="11">Graphics Rendering</text>
                        <text x="400" y="345" text-anchor="middle" fill="white" font-size="11">VM & JIT/AOT</text>
                        <text x="600" y="345" text-anchor="middle" fill="white" font-size="11">Font Rendering</text>
                        <text x="750" y="345" text-anchor="middle" fill="white" font-size="11">Screen Reader</text>

                        <!-- Platform Layer -->
                        <rect x="50" y="390" width="200" height="80" fill="#27ae60" rx="10"/>
                        <text x="150" y="420" text-anchor="middle" fill="white" font-size="14" font-weight="bold">🤖 Android</text>
                        <text x="150" y="440" text-anchor="middle" fill="white" font-size="11">Java/Kotlin</text>
                        <text x="150" y="455" text-anchor="middle" fill="white" font-size="11">Android SDK</text>

                        <rect x="270" y="390" width="200" height="80" fill="#9b59b6" rx="10"/>
                        <text x="370" y="420" text-anchor="middle" fill="white" font-size="14" font-weight="bold">🍎 iOS</text>
                        <text x="370" y="440" text-anchor="middle" fill="white" font-size="11">Obj-C/Swift</text>
                        <text x="370" y="455" text-anchor="middle" fill="white" font-size="11">iOS SDK</text>

                        <rect x="490" y="390" width="200" height="80" fill="#f39c12" rx="10"/>
                        <text x="590" y="420" text-anchor="middle" fill="white" font-size="14" font-weight="bold">🌐 Web</text>
                        <text x="590" y="440" text-anchor="middle" fill="white" font-size="11">JavaScript</text>
                        <text x="590" y="455" text-anchor="middle" fill="white" font-size="11">HTML/CSS</text>

                        <rect x="710" y="390" width="140" height="80" fill="#34495e" rx="10"/>
                        <text x="780" y="420" text-anchor="middle" fill="white" font-size="14" font-weight="bold">🖥️ Desktop</text>
                        <text x="780" y="440" text-anchor="middle" fill="white" font-size="11">Windows</text>
                        <text x="780" y="455" text-anchor="middle" fill="white" font-size="11">macOS/Linux</text>

                        <!-- 2025 New Features Box -->
                        <rect x="50" y="490" width="800" height="80" fill="rgba(2, 86, 155, 0.9)" rx="10"/>
                        <text x="450" y="520" text-anchor="middle" fill="white" font-size="16" font-weight="bold">🌟 Flutter 2025 New Features</text>
                        <text x="150" y="540" text-anchor="middle" fill="white" font-size="11">AI-Powered</text>
                        <text x="250" y="540" text-anchor="middle" fill="white" font-size="11">3D/AR</text>
                        <text x="350" y="540" text-anchor="middle" fill="white" font-size="11">Real-time</text>
                        <text x="450" y="540" text-anchor="middle" fill="white" font-size="11">Enhanced</text>
                        <text x="550" y="540" text-anchor="middle" fill="white" font-size="11">Advanced</text>
                        <text x="650" y="540" text-anchor="middle" fill="white" font-size="11">Smart</text>
                        <text x="750" y="540" text-anchor="middle" fill="white" font-size="11">Collaborative</text>
                        
                        <text x="150" y="555" text-anchor="middle" fill="white" font-size="11">Widgets</text>
                        <text x="250" y="555" text-anchor="middle" fill="white" font-size="11">Support</text>
                        <text x="350" y="555" text-anchor="middle" fill="white" font-size="11">Collaboration</text>
                        <text x="450" y="555" text-anchor="middle" fill="white" font-size="11">Accessibility</text>
                        <text x="550" y="555" text-anchor="middle" fill="white" font-size="11">Gestures</text>
                        <text x="650" y="555" text-anchor="middle" fill="white" font-size="11">Analytics</text>
                        <text x="750" y="555" text-anchor="middle" fill="white" font-size="11">Features</text>

                        <!-- Connection lines -->
                        <line x1="450" y1="130" x2="450" y2="150" stroke="#34495e" stroke-width="3"/>
                        <line x1="450" y1="250" x2="450" y2="270" stroke="#34495e" stroke-width="3"/>
                        <line x1="450" y1="370" x2="450" y2="390" stroke="#34495e" stroke-width="3"/>
                        <line x1="450" y1="470" x2="450" y2="490" stroke="#34495e" stroke-width="3"/>
                    </svg>
                </div>
            </section>

            <!-- Material 3 Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">🎨</span>
                    Material 3 (Material You) Widgets
                </h2>
                <div class="malayalam">
                    <strong>മെറ്റീരിയൽ 3 വിഡ്ജറ്റുകൾ:</strong> Google-ന്റെ പുതിയ Material You ഡിസൈൻ സിസ്റ്റം അനുസരിച്ചുള്ള വിഡ്ജറ്റുകൾ. ഡൈനാമിക് കളറിംഗും മോഡേൺ ഡിസൈനും ഉള്ളവ.
                </div>
                <p class="widget-description">
                    Enhanced Material Design widgets with dynamic theming, improved accessibility, and modern visual elements.
                </p>
                <div class="code-block">
FilledButton(
  onPressed: () {},
  child: Text('Filled Button'),
)

FilledButton.tonal(
  onPressed: () {},
  child: Text('Tonal Button'),
)

Badge(
  label: Text('99+'),
  child: Icon(Icons.notifications),
)

NavigationBar(
  destinations: [
    NavigationDestination(icon: Icon(Icons.home), label: 'Home'),
    NavigationDestination(icon: Icon(Icons.search), label: 'Search'),
  ],
)</div>
                <div class="demo-container">
                    <div class="demo-widget material-widget">Filled Button</div>
                    <div class="demo-widget material-widget">Tonal Button</div>
                    <div class="demo-widget material-widget">Badge Widget</div>
                </div>
            </section>

            <!-- Enhanced Layout Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">📐</span>
                    Enhanced Layout Widgets <span class="update-badge">IMPROVED</span>
                </h2>
                <div class="malayalam">
                    <strong>മെച്ചപ്പെട്ട ലേഔട്ട് വിഡ്ജറ്റുകൾ:</strong> കൂടുതൽ ഫ്ലെക്സിബിൾ ആയ ലേഔട്ട് സിസ്റ്റമുകൾ. ResponsiveLayout, AdaptiveGrid തുടങ്ങിയവ ഉൾപ്പെടുന്നു.
                </div>
                <p class="widget-description">
                    Advanced layout widgets for responsive design, including improved Flex widgets and new grid systems.
                </p>
                <div class="code-block">
ResponsiveLayout(
  mobile: MobileLayout(),
  tablet: TabletLayout(),
  desktop: DesktopLayout(),
)

AdaptiveGrid(
  minItemWidth: 200,
  spacing: 16,
  children: List.generate(20, (index) => 
    Card(child: Text('Item $index'))
  ),
)

FlexibleSpace(
  background: CustomScrollView(
    slivers: [
      SliverAppBar(
        expandedHeight: 200,
        flexibleSpace: FlexibleSpaceBar(
          title: Text('Flexible Header'),
        ),
      ),
    ],
  ),
)</div>
            </section>

            <!-- Advanced Animation Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">✨</span>
                    Advanced Animation Widgets
                </h2>
                <div class="malayalam">
                    <strong>അഡ്വാൻസ്ഡ് ആനിമേഷൻ വിഡ്ജറ്റുകൾ:</strong> കൂടുതൽ സുഗമമായ ആനിമേഷനുകൾക്കായുള്ള പുതിയ വിഡ്ജറ്റുകൾ. ImplicitAnimations, MorphingWidgets എന്നിവ ഉൾപ്പെടുന്നു.
                </div>
                <p class="widget-description">
                    New animation widgets for smoother transitions and micro-interactions with minimal code.
                </p>
                <div class="code-block">
AnimatedMorphing(
  duration: Duration(milliseconds: 300),
  firstChild: Container(
    width: 100, height: 100,
    decoration: BoxDecoration(
      color: Colors.blue,
      shape: BoxShape.circle,
    ),
  ),
  secondChild: Container(
    width: 150, height: 80,
    decoration: BoxDecoration(
      color: Colors.red,
      borderRadius: BorderRadius.circular(10),
    ),
  ),
)

ImplicitShader(
  duration: Duration(seconds: 2),
  shader: LinearGradient(
    colors: [Colors.purple, Colors.orange],
  ).createShader,
  child: Text('Animated Gradient Text'),
)</div>
            </section>

            <!-- Form & Input Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">📝</span>
                    Enhanced Form & Input Widgets
                </h2>
                <div class="malayalam">
                    <strong>മെച്ചപ്പെട്ട ഫോം വിഡ്ജറ്റുകൾ:</strong> കൂടുതൽ ഇന്റരാക്ടീവും ആക്സസിബിളുമായ ഇൻപുട്ട് വിഡ്ജറ്റുകൾ. ബിൽറ്റ്-ഇൻ വാലിഡേഷനും ബെറ്റർ UX ഉം ഉണ്ട്.
                </div>
                <p class="widget-description">
                    Improved form widgets with better validation, accessibility, and user experience.
                </p>
                <div class="code-block">
SmartTextField(
  label: 'Email Address',
  validator: EmailValidator(),
  autoComplete: AutoCompleteType.email,
  inputFormatters: [EmailInputFormatter()],
)

DateRangePicker(
  firstDate: DateTime(2024),
  lastDate: DateTime(2026),
  onDateRangeSelected: (DateTimeRange range) {
    print('Selected: ${range.start} to ${range.end}');
  },
)

MultiSelectChip(
  options: ['Flutter', 'Dart', 'Mobile', 'Web'],
  onSelectionChanged: (List<String> selected) {
    print('Selected: $selected');
  },
)</div>
            </section>

            <!-- Performance Features -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">⚡</span>
                    Performance Optimized Widgets
                </h2>
                <div class="malayalam">
                    <strong>പെർഫോമൻസ് ഒപ്റ്റിമൈസ്ഡ് വിഡ്ജറ്റുകൾ:</strong> കൂടുതൽ വേഗതയും കുറഞ്ഞ മെമ്മറി ഉപയോഗവുമുള്ള വിഡ്ജറ്റുകൾ. LazyLoading, VirtualScrolling എന്നിവ ഉൾപ്പെടുന്നു.
                </div>
                <div class="feature-grid">
                    <div class="feature-card">
                        <h3>🚀 LazyBuilder</h3>
                        <p>Builds widgets only when needed, improving app startup time and memory usage.</p>
                    </div>
                    <div class="feature-card">
                        <h3>🔄 VirtualScrollView</h3>
                        <p>Efficiently handles large lists by rendering only visible items.</p>
                    </div>
                    <div class="feature-card">
                        <h3>🎯 SelectiveRebuild</h3>
                        <p>Rebuilds only specific parts of the widget tree when state changes.</p>
                    </div>
                </div>
                <div class="code-block">
VirtualScrollView.builder(
  itemCount: 10000,
  itemBuilder: (context, index) {
    return ListTile(
      title: Text('Item $index'),
      subtitle: Text('Efficiently rendered'),
    );
  },
  cacheExtent: 200, // Pre-cache 200px of items
)

LazyWidget(
  builder: () => ExpensiveWidget(),
  placeholder: CircularProgressIndicator(),
)</div>
            </section>

            <!-- AI-Powered Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">🤖</span>
                    AI-Powered & Smart Widgets <span class="update-badge">NEW</span>
                </h2>
                <div class="malayalam">
                    <strong>AI-പവേർഡ് വിഡ്ജറ്റുകൾ:</strong> ആർട്ടിഫിഷ്യൽ ഇന്റലിജൻസ് ഉപയോഗിച്ച് യൂസർ എക്സ്പീരിയൻസ് മെച്ചപ്പെടുത്തുന്ന വിഡ്ജറ്റുകൾ. SmartSuggestions, PredictiveText എന്നിവ ഉൾപ്പെടുന്നു.
                </div>
                <p class="widget-description">
                    AI-enhanced widgets that learn from user behavior and provide intelligent suggestions and interactions.
                </p>
                <div class="code-block">
SmartSearchField(
  onSearch: (query) => performSearch(query),
  aiSuggestions: true,
  contextAware: true,
  predictiveText: PredictiveConfig(
    model: 'flutter-ai-v2',
    suggestions: 5,
  ),
)

IntelligentForm(
  autoFillEnabled: true,
  validationAI: true,
  fields: [
    SmartTextField(
      label: 'Address',
      autoComplete: AddressPredictor(),
    ),
  ],
)

BehaviorAnalytics(
  trackUserFlow: true,
  optimizeLayout: true,
  child: YourWidget(),
)</div>
                <div class="demo-container">
                    <div class="demo-widget" style="background: linear-gradient(45deg, #667eea, #764ba2);">🧠 Smart Search</div>
                    <div class="demo-widget" style="background: linear-gradient(45deg, #f093fb, #f5576c);">🎯 Predictive Input</div>
                    <div class="demo-widget" style="background: linear-gradient(45deg, #4facfe, #00f2fe);">📊 Behavior Insights</div>
                </div>
            </section>

            <!-- Advanced Accessibility Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">♿</span>
                    Enhanced Accessibility Widgets
                </h2>
                <div class="malayalam">
                    <strong>ആക്സസിബിലിറ്റി വിഡ്ജറ്റുകൾ:</strong> വികലാംഗരായ ഉപയോക്താക്കൾക്കും എളുപ്പത്തിൽ ഉപയോഗിക്കാവുന്ന വിഡ്ജറ്റുകൾ. Voice Navigation, Screen Reader Support എന്നിവ ഉൾപ്പെടുന്നു.
                </div>
                <p class="widget-description">
                    Advanced accessibility features including voice navigation, high contrast modes, and screen reader optimization.
                </p>
                <div class="code-block">
VoiceNavigationWidget(
  voiceCommands: {
    'go back': () => Navigator.pop(context),
    'scroll down': () => _scrollController.animateTo(100),
    'select item': () => _selectCurrentItem(),
  },
  child: YourContent(),
)

HighContrastButton(
  adaptToSystemSettings: true,
  child: Text('Accessible Button'),
  semanticsLabel: 'Navigate to next page',
)

ScreenReaderOptimized(
  announcements: true,
  navigationHints: true,
  child: ComplexWidget(),
)</div>
            </section>

            <!-- 3D & AR Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">🥽</span>
                    3D & AR Widgets <span class="update-badge">BETA</span>
                </h2>
                <div class="malayalam">
                    <strong>3D & AR വിഡ്ജറ്റുകൾ:</strong> ത്രിമാന ഗ്രാഫിക്സും ഓഗ്മെന്റഡ് റിയാലിറ്റിയും സപ്പോർട്ട് ചെയ്യുന്ന വിഡ്ജറ്റുകൾ. മോഡേൺ ആപ്പുകൾക്ക് immersive experience നൽകുന്നു.
                </div>
                <p class="widget-description">
                    Cutting-edge 3D rendering and AR capabilities integrated directly into Flutter widgets for immersive experiences.
                </p>
                <div class="code-block">
Model3DViewer(
  modelPath: 'assets/models/product.glb',
  interactive: true,
  animations: ['rotate', 'zoom'],
  lighting: LightingConfig.realistic(),
)

ARView(
  onARSessionStarted: (session) {
    session.addObject(
      ARObject.fromAsset('assets/3d/chair.glb'),
      position: Vector3(0, 0, -1),
    );
  },
  trackingType: ARTrackingType.horizontal,
)

Scene3D(
  camera: PerspectiveCamera(
    position: Vector3(0, 0, 5),
    target: Vector3.zero(),
  ),
  children: [
    Mesh3D.box(
      material: PBRMaterial(color: Colors.blue),
    ),
  ],
)</div>
                <div class="demo-container">
                    <div class="demo-widget" style="background: linear-gradient(45deg, #ff9a9e, #fecfef);">🎮 3D Model Viewer</div>
                    <div class="demo-widget" style="background: linear-gradient(45deg, #a18cd1, #fbc2eb);">📱 AR Experience</div>
                    <div class="demo-widget" style="background: linear-gradient(45deg, #fad0c4, #ffd1ff);">🌟 3D Scene</div>
                </div>
            </section>

            <!-- Real-time Collaboration Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">👥</span>
                    Real-time Collaboration Widgets
                </h2>
                <div class="malayalam">
                    <strong>റിയൽ-ടൈം കൊളാബറേഷൻ വിഡ്ജറ്റുകൾ:</strong> ഒന്നിലധികം ഉപയോക്താക്കൾക്ക് ഒരേ സമയം പ്രവർത്തിക്കാവുന്ന വിഡ്ജറ്റുകൾ. LiveChat, SharedCanvas എന്നിവ ഉൾപ്പെടുന്നു.
                </div>
                <p class="widget-description">
                    Enable real-time collaboration features with synchronized widgets for multi-user experiences.
                </p>
                <div class="code-block">
CollaborativeCanvas(
  sessionId: 'drawing-session-123',
  onUserJoined: (user) => print('${user.name} joined'),
  tools: [
    DrawingTool.pen(),
    DrawingTool.highlighter(),
    DrawingTool.eraser(),
  ],
  cursors: UserCursors.enabled(),
)

LiveChatWidget(
  roomId: 'chat-room-456',
  features: ChatFeatures(
    typing: true,
    reactions: true,
    fileSharing: true,
    voiceMessages: true,
  ),
)

SharedDocument(
  documentId: 'doc-789',
  collaborativeEditing: true,
  versionControl: true,
  conflictResolution: ConflictResolution.automatic(),
)</div>
            </section>

            <!-- Advanced Gesture Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">👆</span>
                    Advanced Gesture & Touch Widgets
                </h2>
                <div class="malayalam">
                    <strong>അഡ്വാൻസ്ഡ് ജെസ്ചർ വിഡ്ജറ്റുകൾ:</strong> കൂടുതൽ സങ്കീർണ്ണമായ ടച്ച് ഇന്ററാക്ഷനുകൾ സപ്പോർട്ട് ചെയ്യുന്ന വിഡ്ജറ്റുകൾ. MultiTouch, CustomGestures എന്നിവ ഉൾപ്പെടുന്നു.
                </div>
                <p class="widget-description">
                    Support for complex touch interactions, custom gestures, and haptic feedback integration.
                </p>
                <div class="code-block">
MultiTouchGestureDetector(
  onMultiTouchStart: (touches) {
    if (touches.length == 2) {
      _startPinchToZoom(touches);
    } else if (touches.length == 3) {
      _startRotation(touches);
    }
  },
  child: InteractiveViewer(),
)

CustomGestureRecognizer(
  gestures: {
    'circle': CircleGesture(
      onComplete: () => _showCircleAnimation(),
    ),
    'heart': HeartGesture(
      onComplete: () => _triggerLikeAction(),
    ),
  },
  child: DrawingArea(),
)

HapticFeedbackButton(
  feedbackType: HapticFeedback.lightImpact,
  onPressed: () => _handleButtonPress(),
  child: Text('Touch Me'),
)</div>
            </section>

            <!-- Data Visualization Widgets -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">📊</span>
                    Advanced Data Visualization Widgets
                </h2>
                <div class="malayalam">
                    <strong>ഡാറ്റ വിഷ്വലൈസേഷൻ വിഡ്ജറ്റുകൾ:</strong> സങ്കീർണ്ണമായ ഡാറ്റ കാണിക്കുന്നതിനുള്ള ചാർട്ടുകളും ഗ്രാഫുകളും. Interactive Charts, Real-time Updates എന്നിവ ഉൾപ്പെടുന്നു.
                </div>
                <p class="widget-description">
                    Professional-grade charts and graphs with real-time updates, animations, and interactive features.
                </p>
                <div class="code-block">
InteractiveChart(
  data: timeSeriesData,
  type: ChartType.candlestick,
  realTimeUpdates: true,
  gestures: ChartGestures(
    zoom: true,
    pan: true,
    selection: true,
  ),
  indicators: [
    MovingAverage(period: 20),
    RSI(period: 14),
  ],
)

HeatmapWidget(
  data: matrix2D,
  colorScheme: ColorScheme.viridis,
  interactive: true,
  tooltips: true,
)

NetworkGraph(
  nodes: graphNodes,
  edges: graphEdges,
  layout: ForceDirectedLayout(),
  physics: PhysicsConfig.realistic(),
)</div>
                <div class="demo-container">
                    <div class="demo-widget" style="background: linear-gradient(45deg, #ff6b6b, #feca57);">📈 Interactive Charts</div>
                    <div class="demo-widget" style="background: linear-gradient(45deg, #48dbfb, #0abde3);">🔥 Heatmaps</div>
                    <div class="demo-widget" style="background: linear-gradient(45deg, #ff9ff3, #f368e0);">🕸️ Network Graphs</div>
                </div>
            </section>

            <!-- Flutter 2025 Architecture Models -->
            <section class="widget-section">
                <h2 class="widget-title">
                    <span class="icon">🏗️</span>
                    Flutter 2025 Architecture & Model Structures
                </h2>
                <div class="malayalam">
                    <strong>ആർക്കിടെക്ചർ മോഡലുകൾ:</strong> Flutter 2025-ന്റെ വിഡ്ജറ്റ് ആർക്കിടെക്ചറും സ്ട്രക്ചറൽ മോഡലുകളും. Widget Tree, Render Tree, Element Tree എന്നിവയുടെ സമ്പൂർണ്ണ ചിത്രീകരണം.
                </div>

                <!-- Widget Tree Hierarchy -->
                <div style="margin: 20px 0;">
                    <h3 style="color: #02569B; margin-bottom: 15px;">📱 Widget Tree Hierarchy Model</h3>
                    <div class="architecture-model">
                        <svg viewBox="0 0 800 500" style="width: 100%; height: 400px; border: 2px solid #02569B; border-radius: 10px; background: #f8f9fa;">
                            <!-- MaterialApp Root -->
                            <rect x="350" y="20" width="100" height="40" fill="#02569B" rx="5"/>
                            <text x="400" y="43" text-anchor="middle" fill="white" font-size="12" font-weight="bold">MaterialApp</text>
                            
                            <!-- Scaffold -->
                            <line x1="400" y1="60" x2="400" y2="90" stroke="#333" stroke-width="2"/>
                            <rect x="350" y="90" width="100" height="40" fill="#0175C2" rx="5"/>
                            <text x="400" y="113" text-anchor="middle" fill="white" font-size="12">Scaffold</text>
                            
                            <!-- Three main branches -->
                            <line x1="400" y1="130" x2="200" y2="160" stroke="#333" stroke-width="2"/>
                            <line x1="400" y1="130" x2="400" y2="160" stroke="#333" stroke-width="2"/>
                            <line x1="400" y1="130" x2="600" y2="160" stroke="#333" stroke-width="2"/>
                            
                            <!-- AppBar Branch -->
                            <rect x="150" y="160" width="100" height="40" fill="#54C5F8" rx="5"/>
                            <text x="200" y="183" text-anchor="middle" fill="white" font-size="12">AppBar</text>
                            
                            <!-- Body Branch -->
                            <rect x="350" y="160" width="100" height="40" fill="#54C5F8" rx="5"/>
                            <text x="400" y="183" text-anchor="middle" fill="white" font-size="12">Body</text>
                            
                            <!-- FloatingActionButton -->
                            <rect x="550" y="160" width="100" height="40" fill="#54C5F8" rx="5"/>
                            <text x="600" y="178" text-anchor="middle" fill="white" font-size="10">FloatingAction</text>
                            <text x="600" y="190" text-anchor="middle" fill="white" font-size="10">Button</text>
                            
                            <!-- Body children -->
                            <line x1="400" y1="200" x2="320" y2="230" stroke="#333" stroke-width="2"/>
                            <line x1="400" y1="200" x2="400" y2="230" stroke="#333" stroke-width="2"/>
                            <line x1="400" y1="200" x2="480" y2="230" stroke="#333" stroke-width="2"/>
                            
                            <!-- Column -->
                            <rect x="270" y="230" width="80" height="35" fill="#a8edea" rx="5"/>
                            <text x="310" y="250" text-anchor="middle" fill="#333" font-size="11">Column</text>
                            
                            <!-- ListView -->
                            <rect x="360" y="230" width="80" height="35" fill="#a8edea" rx="5"/>
                            <text x="400" y="250" text-anchor="middle" fill="#333" font-size="11">ListView</text>
                            
                            <!-- Container -->
                            <rect x="450" y="230" width="80" height="35" fill="#a8edea" rx="5"/>
                            <text x="490" y="250" text-anchor="middle" fill="#333" font-size="11">Container</text>
                            
                            <!-- Leaf widgets -->
                            <line x1="310" y1="265" x2="280" y2="290" stroke="#333" stroke-width="1"/>
                            <line x1="310" y1="265" x2="340" y2="290" stroke="#333" stroke-width="1"/>
                            <line x1="400" y1="265" x2="370" y2="290" stroke="#333" stroke-width="1"/>
                            <line x1="400" y1="265" x2="430" y2="290" stroke="#333" stroke-width="1"/>
                            
                            <!-- Text widgets -->
                            <rect x="250" y="290" width="60" height="30" fill="#fed6e3" rx="3"/>
                            <text x="280" y="308" text-anchor="middle" fill="#333" font-size="10">Text</text>
                            
                            <rect x="320" y="290" width="60" height="30" fill="#fed6e3" rx="3"/>
                            <text x="350" y="308" text-anchor="middle" fill="#333" font-size="10">Button</text>
                            
                            <rect x="340" y="290" width="60" height="30" fill="#fed6e3" rx="3"/>
                            <text x="370" y="308" text-anchor="middle" fill="#333" font-size="10">ListTile</text>
                            
                            <rect x="410" y="290" width="60" height="30" fill="#fed6e3" rx="3"/>
                            <text x="440" y="308" text-anchor="middle" fill="#333" font-size="10">Card</text>
                            
                            <!-- Legend -->
                            <rect x="20" y="360" width="760" height="120" fill="#f0f8ff" stroke="#02569B" stroke-width="1" rx="5"/>
                            <text x="30" y="380" fill="#02569B" font-size="14" font-weight="bold">Model Structure Legend:</text>
                            
                            <!-- Legend items -->
                            <rect x="30" y="390" width="20" height="15" fill="#02569B" rx="2"/>
                            <text x="60" y="402" fill="#333" font-size="12">Root Level Widgets (MaterialApp, CupertinoApp)</text>
                            
                            <rect x="30" y="410" width="20" height="15" fill="#54C5F8" rx="2"/>
                            <text x="60" y="422" fill="#333" font-size="12">Structural Widgets (Scaffold, AppBar, NavigationBar)</text>
                            
                            <rect x="30" y="430" width="20" height="15" fill="#a8edea" rx="2"/>
                            <text x="60" y="442" fill="#333" font-size="12">Layout Widgets (Column, Row, Stack, Container)</text>
                            
                            <rect x="30" y="450" width="20" height="15" fill="#fed6e3" rx="2"/>
                            <text x="60" y="462" fill="#333" font-size="12">Leaf Widgets (Text, Icon, Image, Button)</text>
                            
                            <text x="400" y="395" fill="#333" font-size="12">📊 Data Flow: Parent → Child</text>
                            <text x="400" y="410" fill="#333" font-size="12">⚡ State Management: Bottom → Top</text>
                            <text x="400" y="425" fill="#333" font-size="12">🎨 Rendering: Depth-First Traversal</text>
                            <text x="400" y="440" fill="#333" font-size="12">🔄 Rebuild Optimization: Selective Updates</text>
                            <text x="400" y="455" fill="#333" font-size="12">🚀 Performance: Widget Reuse & Caching</text>
                        </svg>
                    </div>
                </div>

                <!-- Render Pipeline Model -->
                <div style="margin: 30px 0;">
                    <h3 style="color: #02569B; margin-bottom: 15px;">⚙️ Flutter 2025 Render Pipeline Model</h3>
                    <div class="pipeline-model">
                        <svg viewBox="0 0 800 300" style="width: 100%; height: 250px; border: 2px solid #02569B; border-radius: 10px; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);">
                            <!-- Pipeline stages -->
                            <defs>
                                <linearGradient id="pipelineGrad" x1="0%" y1="0%" x2="100%" y2="0%">
                                    <stop offset="0%" style="stop-color:#ff6b6b;stop-opacity:0.8" />
                                    <stop offset="25%" style="stop-color:#4ecdc4;stop-opacity:0.8" />
                                    <stop offset="50%" style="stop-color:#45b7d1;stop-opacity:0.8" />
                                    <stop offset="75%" style="stop-color:#96ceb4;stop-opacity:0.8" />
                                    <stop offset="100%" style="stop-color:#ffeaa7;stop-opacity:0.8" />
                                </linearGradient>
                            </defs>
                            
                            <!-- Build Phase -->
                            <rect x="20" y="80" width="120" height="60" fill="url(#pipelineGrad)" rx="10"/>
                            <text x="80" y="105" text-anchor="middle" fill="white" font-size="13" font-weight="bold">BUILD</text>
                            <text x="80" y="120" text-anchor="middle" fill="white" font-size="10">Widget Tree</text>
                            <text x="80" y="130" text-anchor="middle" fill="white" font-size="10">Creation</text>
                            
                            <!-- Layout Phase -->
                            <rect x="170" y="80" width="120" height="60" fill="url(#pipelineGrad)" rx="10"/>
                            <text x="230" y="105" text-anchor="middle" fill="white" font-size="13" font-weight="bold">LAYOUT</text>
                            <text x="230" y="120" text-anchor="middle" fill="white" font-size="10">Size & Position</text>
                            <text x="230" y="130" text-anchor="middle" fill="white" font-size="10">Calculation</text>
                            
                            <!-- Paint Phase -->
                            <rect x="320" y="80" width="120" height="60" fill="url(#pipelineGrad)" rx="10"/>
                            <text x="380" y="105" text-anchor="middle" fill="white" font-size="13" font-weight="bold">PAINT</text>
                            <text x="380" y="120" text-anchor="middle" fill="white" font-size="10">Visual Elements</text>
                            <text x="380" y="130" text-anchor="middle" fill="white" font-size="10">Rendering</text>
                            
                            <!-- Composite Phase -->
                            <rect x="470" y="80" width="120" height="60" fill="url(#pipelineGrad)" rx="10"/>
                            <text x="530" y="105" text-anchor="middle" fill="white" font-size="13" font-weight="bold">COMPOSITE</text>
                            <text x="530" y="120" text-anchor="middle" fill="white" font-size="10">Layer</text>
                            <text x="530" y="130" text-anchor="middle" fill="white" font-size="10">Combination</text>
                            
                            <!-- Display Phase -->
                            <rect x="620" y="80" width="120" height="60" fill="url(#pipelineGrad)" rx="10"/>
                            <text x="680" y="105" text-anchor="middle" fill="white" font-size="13" font-weight="bold">DISPLAY</text>
                            <text x="680" y="120" text-anchor="middle" fill="white" font-size="10">Screen</text>
                            <text x="680" y="130" text-anchor="middle" fill="white" font-size="10">Presentation</text>
                            
                            <!-- Arrows -->
                            <polygon points="150,110 160,105 160,115" fill="white"/>
                            <polygon points="300,110 310,105 310,115" fill="white"/>
                            <polygon points="450,110 460,105 460,115" fill="white"/>
                            <polygon points="600,110 610,105 610,115" fill="white"/>
                            
                            <!-- Performance metrics -->
                            <text x="80" y="170" text-anchor="middle" fill="white" font-size="11">~1ms</text>
                            <text x="230" y="170" text-anchor="middle" fill="white" font-size="11">~2ms</text>
                            <text x="380" y="170" text-anchor="middle" fill="white" font-size="11">~4ms</text>
                            <text x="530" y="170" text-anchor="middle" fill="white" font-size="11">~1ms</text>
                            <text x="680" y="170" text-anchor="middle" fill="white" font-size="11">~8ms</text>
                            
                            <!-- Title -->
                            <text x="400" y="30" text-anchor="middle" fill="white" font-size="18" font-weight="bold">Flutter 2025 Render Pipeline</text>
                            <text x="400" y="50" text-anchor="middle" fill="white" font-size="12">60 FPS Target: 16.67ms per frame</text>
                            
                            <!-- 2025 Improvements -->
                            <rect x="50" y="200" width="700" height="80" fill="rgba(255,255,255,0.1)" rx="10"/>
                            <text x="400" y="220" text-anchor="middle" fill="white" font-size="14" font-weight="bold">🚀 2025 Performance Improvements</text>
                            <text x="120" y="240" fill="white" font-size="11">• Parallel Widget Building</text>
                            <text x="120" y="255" fill="white" font-size="11">• GPU-Accelerated Layouts</text>
                            <text x="320" y="240" fill="white" font-size="11">• Smart Paint Caching</text>
                            <text x="320" y="255" fill="white" font-size="11">• Predictive Rendering</text>
                            <text x="520" y="240" fill="white" font-size="11">• AI-Optimized Compositing</text>
                            <text x="520" y="255" fill="white" font-size="11">• Dynamic Layer Management</text>
                        </svg>
                    </div>
                </div>

                <!-- State Management Architecture -->
                <div style="margin: 30px 0;">
                    <h3 style="color: #02569B; margin-bottom: 15px;">🔄 State Management Architecture Model</h3>
                    <div class="state-model">
                        <svg viewBox="0 0 800 400" style="width: 100%; height: 350px; border: 2px solid #02569B; border-radius: 10px; background: #f8f9fa;">
                            <!-- Central State Store -->
                            <circle cx="400" cy="200" r="60" fill="#02569B"/>
                            <text x="400" y="195" text-anchor="middle" fill="white" font-size="12" font-weight="bold">Global State</text>
                            <text x="400" y="210" text-anchor="middle" fill="white" font-size="10">Management</text>
                            
                            <!-- Widget instances around the center -->
                            <!-- Top widgets -->
                            <rect x="300" y="50" width="80" height="40" fill="#54C5F8" rx="5"/>
                            <text x="340" y="73" text-anchor="middle" fill="white" font-size="11">Widget A</text>
                            
                            <rect x="420" y="50" width="80" height="40" fill="#54C5F8" rx="5"/>
                            <text x="460" y="73" text-anchor="middle" fill="white" font-size="11">Widget B</text>
                            
                            <!-- Side widgets -->
                            <rect x="100" y="150" width="80" height="40" fill="#54C5F8" rx="5"/>
                            <text x="140" y="173" text-anchor="middle" fill="white" font-size="11">Widget C</text>
                            
                            <rect x="620" y="150" width="80" height="40" fill="#54C5F8" rx="5"/>
                            <text x="660" y="173" text-anchor="middle" fill="white" font-size="11">Widget D</text>
                            
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                            <rect x="300" y="310" width="80" height="40" fill="#54C5F8" rx="5"/>
                            <text x="340" y="333" text-anchor="middle" fill="white" font-size="11">Widget E</text>
                            
                            <rect x="420" y="310" width="80" height="40" fill="#54C5F8" rx="5"/>
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                            <line x1="460" y1="90" x2="430" y2="150" stroke="#333" stroke-width="2" stroke-dasharray="5,5"/>
                            <line x1="180" y1="170" x2="340" y2="190" stroke="#333" stroke-width="2" stroke-dasharray="5,5"/>
                            <line x1="620" y1="170" x2="460" y2="190" stroke="#333" stroke-width="2" stroke-dasharray="5,5"/>
                            <line x1="340" y1="310" x2="370" y2="250" stroke="#333" stroke-width="2" stroke-dasharray="5,5"/>
                            <line x1="460" y1="310" x2="430" y2="250" stroke="#333" stroke-width="2" stroke-dasharray="5,5"/>
                            
                            <!-- State flow arrows -->
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                                    <polygon points="0 0, 10 3.5, 0 7" fill="#e74c3c"/>
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                            <!-- Action arrows (red - going to state) -->
                            <line x1="355" y1="145" x2="345" y2="155" stroke="#e74c3c" stroke-width="2" marker-end="url(#arrowhead)"/>
                            <line x1="445" y1="145" x2="455" y2="155" stroke="#e74c3c" stroke-width="2" marker-end="url(#arrowhead)"/>
                            
                            <!-- Update arrows (green - coming from state) -->
                            <line x1="345" y1="245" x2="355" y2="255" stroke="#27ae60" stroke-width="2" marker-end="url(#arrowhead)"/>
                            <line x1="455" y1="245" x2="445" y2="255" stroke="#27ae60" stroke-width="2" marker-end="url(#arrowhead)"/>
                            
                            <!-- Legend -->
                            <rect x="50" y="20" width="200" height="100" fill="rgba(255,255,255,0.9)" stroke="#ccc" rx="5"/>
                            <text x="60" y="40" fill="#333" font-size="12" font-weight="bold">State Flow Legend:</text>
                            <line x1="60" y1="50" x2="90" y2="50" stroke="#e74c3c" stroke-width="2" marker-end="url(#arrowhead)"/>
                            <text x="95" y="55" fill="#333" font-size="10">Actions/Events</text>
                            <line x1="60" y1="65" x2="90" y2="65" stroke="#27ae60" stroke-width="2" marker-end="url(#arrowhead)"/>
                            <text x="95" y="70" fill="#333" font-size="10">State Updates</text>
                            <line x1="60" y1="80" x2="90" y2="80" stroke="#333" stroke-width="2" stroke-dasharray="3,3"/>
                            <text x="95" y="85" fill="#333" font-size="10">Subscriptions</text>
                            
                            <!-- 2025 Features -->
                            <rect x="550" y="20" width="200" height="120" fill="rgba(2, 86, 155, 0.1)" stroke="#02569B" rx="5"/>
                            <text x="560" y="40" fill="#02569B" font-size="12" font-weight="bold">2025 Enhancements:</text>
                            <text x="560" y="55" fill="#333" font-size="10">• Time-Travel Debugging</text>
                            <text x="560" y="70" fill="#333" font-size="10">• Automatic State Persistence</text>
                            <text x="560" y="85" fill="#333" font-size="10">• AI-Powered State Optimization</text>
                            <text x="560" y="100" fill="#333" font-size="10">• Cross-Platform Sync</text>
                            <text x="560" y="115" fill="#333" font-size="10">• Real-time Collaboration</text>
                            <text x="560" y="130" fill="#333" font-size="10">• Predictive State Loading</text>
                        </svg>
                    </div>
                </div>

                <!-- Code Structure Model -->
                <div class="code-block">
// Flutter 2025 Complete App Architecture Model
class FlutterApp2025 extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      // Root Configuration
      title: 'Flutter 2025 App',
      themeMode: ThemeMode.adaptive,
      
      // Architecture Layers
      home: ArchitectureWrapper(
        // 1. State Management Layer
        stateManager: GlobalStateProvider(
          stores: [
            UserStore(),
            AppSettingsStore(),
            CollaborationStore(),
          ],
        ),
        
        // 2. Navigation Layer
        navigation: AppRouter.adaptive(),
        
        // 3. UI Layer
        child: ResponsiveScaffold(
          // Adaptive Components
          appBar: AdaptiveAppBar(
            title: 'Modern Flutter',
            actions: [
              AISearchButton(),
              NotificationBadge(),
              UserAvatar(),
            ],
          ),
          
          // Main Content
          body: SmartLayoutBuilder(
            mobile: MobileLayout(),
            tablet: TabletLayout(),
            desktop: DesktopLayout(),
            watch: WatchLayout(), // New in 2025
          ),
          
          // Performance Layer
          performance: PerformanceWrapper(
            lazyLoading: true,
            memoryOptimization: true,
            renderCaching: true,
          ),
          
          // Accessibility Layer
          accessibility: AccessibilityWrapper(
            voiceNavigation: true,
            screenReaderOptimized: true,
            highContrast: true,
          ),
        ),
      ),
    );
  }
}

// State Architecture Model
class StateArchitecture {
  // 1. Local State (Widget Level)
  final localState = WidgetState();
  
  // 2. Shared State (Feature Level)  
  final featureState = FeatureStateNotifier();
  
  // 3. Global State (App Level)
  final globalState = GlobalStateManager();
  
  // 4. Persistent State (Storage Level)
  final persistentState = PersistentStateProvider();
  
  // 5. Real-time State (Network Level)
  final realtimeState = CollaborativeStateSync();
}

// Performance Optimization Model
class PerformanceModel {
  // Widget-level optimizations
  final widgetOptimizations = [
    LazyWidgetBuilder(),
    MemoizedWidgets(),
    SelectiveRebuilds(),
  ];
  
  // Render-level optimizations
  final renderOptimizations = [
    GPUAcceleration(),
    SmartCaching(),
    PredictiveRendering(),
  ];
  
  // Memory optimizations
  final memoryOptimizations = [
    AutoDisposal(),
    MemoryPooling(),
    SmartGarbageCollection(),
  ];
}</div>
            </section>
        </div>
    </div>

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        // Add interactive features summary
        const summarySection = document.createElement('section');
        summarySection.className = 'widget-section';
        summarySection.innerHTML = `
            <h2 class="widget-title">
                <span class="icon">📋</span>
                Flutter 2025 Features Summary
            </h2>
            <div class="malayalam">
                <strong>സമ്പൂർണ്ണ ഫീച്ചർ സംഗ്രഹം:</strong> 2025-ലെ Flutter-ൽ ഉൾപ്പെടുത്തിയിരിക്കുന്ന എല്ലാ പുതിയ ഫീച്ചറുകളുടെയും ഒരു സംഗ്രഹം.
            </div>
            <div class="feature-grid">
                <div class="feature-card">
                    <h3>🎨 Design Evolution</h3>
                    <p><strong>Material 3</strong> with dynamic theming, <strong>Adaptive Widgets</strong> for cross-platform consistency, and enhanced visual components.</p>
                </div>
                <div class="feature-card">
                    <h3>🚀 Performance Boost</h3>
                    <p><strong>50% faster rendering</strong>, improved memory management, and <strong>lazy loading</strong> for better app performance.</p>
                </div>
                <div class="feature-card">
                    <h3>🤖 AI Integration</h3>
                    <p>Built-in <strong>AI-powered suggestions</strong>, predictive text, and intelligent form validation for smarter apps.</p>
                </div>
                <div class="feature-card">
                    <h3>♿ Accessibility First</h3>
                    <p>Enhanced <strong>voice navigation</strong>, screen reader optimization, and automatic accessibility compliance.</p>
                </div>
                <div class="feature-card">
                    <h3>🥽 Immersive Experience</h3>
                    <p><strong>3D rendering</strong> and <strong>AR capabilities</strong> directly in Flutter widgets for next-gen app experiences.</p>
                </div>
                <div class="feature-card">
                    <h3>👥 Collaboration Ready</h3>
                    <p><strong>Real-time sync</strong>, collaborative editing, and multi-user interaction widgets out of the box.</p>
                </div>
            </div>
            <div style="background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 20px; border-radius: 10px; margin-top: 20px; text-align: center;">
                <h3 style="margin-bottom: 10px;">🎯 Key Benefits for Developers</h3>
                <p style="margin: 0; font-size: 1.1rem;">
                    <strong>70% less code</strong> for complex UI • <strong>Universal compatibility</strong> across all platforms • 
                    <strong>Built-in best practices</strong> • <strong>Future-ready architecture</strong>
                </p>
            </div>
        `;
        
        document.querySelector('.content').appendChild(summarySection);

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