.preview-iframe {
            pointer-events: none;
        }
        .site-card {
            display: flex;
            flex-direction: column;
        }
        /* Skeleton Loader Animation */
        @keyframes pulse {
            50% {
                opacity: .5;
            }
        }
        .skeleton {
            animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }
        
        /* --- UI Enhancement Styles --- */
        body {
            background-color: #0A0A0A; /* Darker background for better contrast */
        }

        #header.scrolled {
            background-color: rgba(10, 10, 10, 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .site-card {
             background-color: #111;
             border: 1px solid #222;
             border-radius: 1rem; /* More rounded corners */
             transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
             overflow: hidden;
        }

        .site-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 0 40px rgba(236, 72, 153, 0.2);
            border-color: rgba(236, 72, 153, 0.3);
        }
        
        #search-input {
            background-color: #1a1a1a;
            border: 1px solid #333;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        #search-input:focus {
            border-color: #EC4899;
            box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.2);
        }
        
        .btn-secondary {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: 0.5rem;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: scale(1.05);
        }