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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{% block title %}MV+{% endblock %}</title>
    <link rel="icon" type="image/x-icon" href="{{ url_for('static', filename='favicon.ico') }}">
    
    <!-- Critical inline CSS to prevent white flash - MUST be first -->
    <style>
        /* Prevent FOUC (Flash of Unstyled Content) - Maximum aggressive approach */
        html {
            background: #0a0a0a !important;
            background-color: #0a0a0a !important;
            overflow-x: hidden;
        }
        html, body {
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0d1b1b 100%) !important;
            background-color: #0a0a0a !important;
            margin: 0 !important;
            padding: 0 !important;
            width: 100% !important;
            height: 100% !important;
        }
        body {
            color: #ffffff;
            font-family: 'Times New Roman', serif;
            min-height: 100vh;
            opacity: 1 !important;
            visibility: visible !important;
        }
        #app {
            min-height: 100vh;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 50%, #0d1b1b 100%);
            background-color: #0a0a0a;
            opacity: 1;
        }
        /* Ensure navbar has background immediately */
        .navbar {
            background: rgba(0, 0, 0, 0.95) !important;
            background-color: rgba(0, 0, 0, 0.95) !important;
        }
        /* Ensure main content has background */
        .main-content {
            background: transparent;
        }
    </style>
    
    <!-- Preload critical CSS -->
    <link rel="preload" href="{{ url_for('static', filename='css/style.css') }}" as="style">
    
    <!-- External stylesheets -->
    <link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css" rel="stylesheet">
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">
    <link href="https://cdnjs.cloudflare.com/ajax/libs/cropperjs/1.5.13/cropper.min.css" rel="stylesheet">
    
    <!-- Main stylesheet -->
    <link rel="stylesheet" href="{{ url_for('static', filename='css/style.css') }}">
    {% if request.endpoint and 'version_control' in request.endpoint %}
    <link rel="stylesheet" href="{{ url_for('static', filename='css/version_control.css') }}">
    {% endif %}
</head>
<body>
    <div id="app">
    <nav class="navbar">
        <div class="nav-container">
            <div class="nav-logo">
                <a href="/" class="nav-logo-link">
                    <span>MV+</span>
                </a>
            </div>
            <div class="nav-menu">
                <a href="/" class="nav-link {% if request.endpoint == 'home' %}active{% endif %}">
                    Home
                </a>
                <div class="nav-dropdown">
                    <span class="nav-link nav-dropdown-trigger {% if request.endpoint and 'demos' in request.endpoint %}active{% endif %}" style="cursor: pointer;">
                        Projects
                    </span>
                    <div class="nav-dropdown-content">
                        <a href="/demos" class="nav-link">Demos</a>
                    </div>
                </div>
                <a href="/articles" class="nav-link {% if request.endpoint == 'articles' or request.endpoint == 'article_detail' %}active{% endif %}">
                    Articles
                </a>
                <a href="/about" class="nav-link {% if request.endpoint == 'about' %}active{% endif %}">
                    About
                </a>
                {% if session.user_id %}
                <div class="user-menu">
                    <span class="user-greeting">Welcome, {{ session.username }}</span>
                    <a href="/logout" class="nav-link logout-link">Logout</a>
                </div>
                {% endif %}
            </div>
        </div>
    </nav>

    <main class="main-content">
        {% block content %}{% endblock %}
    </main>

    <footer class="footer">
        <div class="footer-content">
            <div class="visitor-stats">
                <div class="stat-item">
                    <span>Total Visitors: {{ stats.total_visitors }}</span>
                </div>
                <div class="stat-item">
                    <span>Unique Visitors: {{ stats.unique_visitors }}</span>
                </div>
                <div class="stat-item">
                    <span>Countries: {{ stats.countries|length }}</span>
                </div>
            </div>
            <div class="footer-text">
                <p>&copy; 2026 MV+</p>
            </div>
        </div>
    </footer>

    </div>
    <script>
        // Suppress SSE-related errors from Hugging Face UI components
        (function() {
            // Helper function to check if error is SSE-related
            function isSSERelatedError(message, filename, stack) {
                const fullText = [message, filename, stack].filter(Boolean).join(' ').toLowerCase();
                return fullText.includes('sse') || 
                       fullText.includes('server-sent events') ||
                       fullText.includes('space status') ||
                       fullText.includes('error in input stream') ||
                       fullText.includes('sse stream ended') ||
                       fullText.includes('spaceheader') ||
                       fullText.includes('operation was aborted') ||
                       fullText.includes('domexception') ||
                       fullText.includes('kube-08e8472') ||
                       (filename && (filename.includes('SpaceHeader') || filename.includes('index.js')));
            }

            // Override console.error to filter out SSE-related errors
            const originalConsoleError = console.error;
            console.error = function(...args) {
                const errorMessage = args.join(' ');
                const stack = new Error().stack || '';
                // Suppress SSE-related errors from Hugging Face UI
                if (isSSERelatedError(errorMessage, '', stack)) {
                    // Silently ignore these errors
                    return;
                }
                // Call original console.error for other errors
                originalConsoleError.apply(console, args);
            };

            // Handle unhandled promise rejections related to SSE
            window.addEventListener('unhandledrejection', function(event) {
                const reason = event.reason;
                const errorMessage = reason?.message || String(reason || '');
                const stack = reason?.stack || '';
                if (isSSERelatedError(errorMessage, '', stack)) {
                    event.preventDefault(); // Suppress the error
                    return;
                }
            }, true);

            // Handle general errors related to SSE
            window.addEventListener('error', function(event) {
                const errorMessage = event.message || String(event.error || '');
                const filename = event.filename || '';
                const stack = event.error?.stack || '';
                if (isSSERelatedError(errorMessage, filename, stack)) {
                    event.preventDefault(); // Suppress the error
                    return false;
                }
            }, true);

            // Also suppress console.warn for SSE-related messages
            const originalConsoleWarn = console.warn;
            console.warn = function(...args) {
                const errorMessage = args.join(' ');
                if (isSSERelatedError(errorMessage, '', '')) {
                    return;
                }
                originalConsoleWarn.apply(console, args);
            };
        })();

        // Prevent white flash during page transitions
        (function() {
            // Set background immediately, even before DOM is ready
            if (document.documentElement) {
                document.documentElement.style.backgroundColor = '#0a0a0a';
            }
            if (document.body) {
                document.body.style.backgroundColor = '#0a0a0a';
            }
            
            // Ensure background is maintained during navigation
            function setBackground() {
                document.documentElement.style.backgroundColor = '#0a0a0a';
                document.body.style.backgroundColor = '#0a0a0a';
                const app = document.getElementById('app');
                if (app) {
                    app.style.backgroundColor = '#0a0a0a';
                }
            }
            
            // Set immediately
            setBackground();
            
            // Set on DOM ready
            if (document.readyState === 'loading') {
                document.addEventListener('DOMContentLoaded', setBackground);
            } else {
                setBackground();
            }
            
            // Set on page load
            window.addEventListener('load', setBackground);
            
            // Set on page show (for back/forward navigation)
            window.addEventListener('pageshow', function(event) {
                setBackground();
                // Force repaint to prevent flash
                if (event.persisted) {
                    document.body.style.display = 'none';
                    document.body.offsetHeight; // Trigger reflow
                    document.body.style.display = '';
                }
            });
            
            // Set on page visibility change
            document.addEventListener('visibilitychange', function() {
                if (!document.hidden) {
                    setBackground();
                }
            });
        })();
    </script>
    <script src="{{ url_for('static', filename='js/main.js') }}" defer></script>
    {% block scripts %}{% endblock %}
</body>
</html>