* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #000000 0%, #764ba2 100%);
            min-height: 100vh;
            color: #333;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        header {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: white;
            text-decoration: none;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #ffd700;
        }

        .hero {
            text-align: center;
            padding: 4rem 0;
            color: white;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        .search-container {
            max-width: 600px;
            margin: 0 auto 3rem;
            position: relative;
        }

        .search-box {
            width: 100%;
            padding: 1rem 1.5rem;
            font-size: 1.1rem;
            border: none;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 8px 32px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }

        .search-box:focus {
            outline: none;
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.15);
        }

        .filter-tabs {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .filter-tab {
            padding: 0.5rem 1.5rem;
            background: rgba(255, 255, 255, 0.2);
            border: none;
            border-radius: 25px;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
        }

        .filter-tab:hover, .filter-tab.active {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .sites-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            padding: 2rem 0;
        }

        .site-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 15px;
            padding: 1.5rem;
            box-shadow: 0 8px 32px rgba(0,0,0,0.1);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .site-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 16px 48px rgba(0,0,0,0.15);
        }

        .site-header {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }

        .site-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            margin-right: 1rem;
            background: linear-gradient(45deg, #667eea, #764ba2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }

        .site-info h3 {
            font-size: 1.2rem;
            margin-bottom: 0.25rem;
            color: #333;
        }

        .site-category {
            font-size: 0.9rem;
            color: #666;
            background: #f0f0f0;
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            display: inline-block;
        }

        .site-description {
            margin: 1rem 0;
            color: #555;
            line-height: 1.6;
        }

        .site-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0;
        }

        .feature-tag {
            background: #e3f2fd;
            color: #1976d2;
            padding: 0.25rem 0.5rem;
            border-radius: 12px;
            font-size: 0.8rem;
        }

        .site-actions {
            display: flex;
            gap: 0.5rem;
            margin-top: 1rem;
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }

        .btn-secondary {
            background: #f8f9fa;
            color: #333;
            border: 1px solid #dee2e6;
        }

        .btn-secondary:hover {
            background: #e9ecef;
        }

        .stats {
            display: flex;
            justify-content: space-around;
            text-align: center;
            margin: 3rem 0;
            background: rgba(255, 255, 255, 0.1);
            padding: 2rem;
            border-radius: 15px;
            backdrop-filter: blur(10px);
        }


        footer {
            background: rgba(0, 0, 0, 0.8);
            color: white;
            text-align: center;
            padding: 2rem 0;
            margin-top: 4rem;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            cursor: pointer;
        }

        .mobile-menu span {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: 0.3s;
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu {
                display: flex;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .sites-grid {
                grid-template-columns: 1fr;
            }

            .filter-tabs {
                flex-direction: column;
                align-items: center;
            }

            .stats {
                flex-direction: column;
                gap: 1rem;
            }
        }

        .loading {
            text-align: center;
            padding: 2rem;
            color: white;
        }

        .spinner {
            border: 4px solid rgba(255, 255, 255, 0.3);
            border-top: 4px solid white;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }