* {
            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;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            color: white;
        }

        .header {
            text-align: center;
            margin-bottom: 30px;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .video-container {
            position: relative;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 20px;
            backdrop-filter: blur(10px);
            box-shadow: 0 8px 32px rgba(0,0,0,0.3);
            margin-bottom: 30px;
        }

        #videoElement {
            width: 100%;
            max-width: 640px;
            height: auto;
            border-radius: 15px;
            transform: scaleX(-1); /* Mirror effect */
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
        }

        #canvas {
            display: none;
            border-radius: 15px;
        }

        .controls {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
            margin-bottom: 20px;
        }

        .btn {
            background: rgba(255, 255, 255, 0.2);
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: white;
            padding: 12px 24px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .btn:hover {
            background: rgba(255, 255, 255, 0.3);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        .btn.active {
            background: rgba(255, 255, 255, 0.4);
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }

        .status {
            text-align: center;
            font-size: 1.1rem;
            margin-bottom: 20px;
            padding: 15px;
            background: rgba(0, 0, 0, 0.2);
            border-radius: 10px;
            backdrop-filter: blur(10px);
        }

        .error {
            background: rgba(255, 0, 0, 0.2);
            border: 1px solid rgba(255, 0, 0, 0.3);
        }

        .tech-info {
            text-align: center;
            margin-top: 30px;
            opacity: 0.8;
            font-size: 0.9rem;
        }

        .tech-info h3 {
            margin-bottom: 10px;
        }

        .tech-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 10px;
        }

        .tech-tag {
            background: rgba(255, 255, 255, 0.1);
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 0.8rem;
        }

        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .controls {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 200px;
            }
}