/* Accessibility and SEO improvements */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 6px;
            background: #000;
            color: #fff;
            padding: 8px;
            text-decoration: none;
            border-radius: 4px;
            z-index: 1000;
        }
        
        .skip-link:focus {
            top: 6px;
        }
        
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        
        .subtitle {
            text-align: center;
            color: #666;
            font-size: 1.2em;
            margin: -20px 0 30px 0;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .control-label {
            font-weight: 600;
            margin-bottom: 5px;
            display: block;
        }
        
        .footer-text {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #ddd;
            color: #666;
            font-size: 0.9em;
        }
        
        .footer-link {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
        }
        
        .footer-link:hover {
            color: #764ba2;
            text-decoration: underline;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .container {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 30px;
            font-size: 2.5em;
            background: linear-gradient(45deg, #667eea, #764ba2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .controls {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
            overflow: hidden;
        }

        .control-group {
            background: white;
            padding: 20px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            overflow: hidden;
        }

        .control-group h3 {
            margin-top: 0;
            color: #555;
            border-bottom: 2px solid #667eea;
            padding-bottom: 10px;
        }

        .file-input {
            position: relative;
            display: inline-block;
            cursor: pointer;
            width: 100%;
        }

        .file-input input[type=file] {
            position: absolute;
            left: -9999px;
        }

        .file-input label {
            display: block;
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            padding: 12px 20px;
            border-radius: 10px;
            text-align: center;
            cursor: pointer;
            transition: transform 0.2s;
        }

        .file-input label:hover {
            transform: translateY(-2px);
        }

        .preview-container {
            display: flex;
            gap: 20px;
            margin: 20px 0;
            justify-content: center;
        }

        .preview {
            max-width: 150px;
            max-height: 150px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        .canvas-container {
            position: relative;
            text-align: center;
            margin: 30px 0;
        }

        #canvas {
            max-width: 100%;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            background: #f8f9fa;
        }

        #textOverlay {
            position: absolute;
            color: white;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
            pointer-events: none;
            z-index: 10;
        }

        .button-group {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
            margin: 30px 0;
        }

        button {
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            border: none;
            padding: 15px 25px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        button:hover:not(:disabled) {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
        }
        
        button:focus {
            outline: 2px solid #667eea;
            outline-offset: 2px;
        }

        button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .export-buttons {
            background: rgba(255,255,255,0.9);
            padding: 20px;
            border-radius: 15px;
            margin-top: 20px;
        }

        .export-buttons h3 {
            text-align: center;
            margin-bottom: 20px;
            color: #555;
        }

        select, input[type="range"], input[type="text"] {
            width: 100%;
            padding: 10px;
            border-radius: 8px;
            border: 2px solid #e0e0e0;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        select:focus, input:focus {
            outline: none;
            border-color: #667eea;
        }

        .range-container {
            margin: 15px 0;
        }

        .range-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
            font-weight: 600;
        }

        .hidden {
            display: none;
        }

        .export-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }

        .export-btn {
            background: linear-gradient(45deg, #28a745, #20c997);
        }

        input[type="range"]:focus,
        input[type="text"]:focus,
        select:focus {
            outline: 2px solid #667eea;
            outline-offset: 2px;
        }
        
        .file-input input:focus + label {
            outline: 2px solid #667eea;
            outline-offset: 2px;
        }

        .export-btn.mp4 {
            background: linear-gradient(45deg, #dc3545, #fd7e14);
        }

        .export-btn.webm {
            background: linear-gradient(45deg, #6f42c1, #e83e8c);
        }

        .export-btn.gif {
            background: linear-gradient(45deg, #20c997, #17a2b8);
        }

        @media (max-width: 768px) {
            .controls {
                grid-template-columns: 1fr;
            }
            
            .preview-container {
                flex-direction: column;
                align-items: center;
            }
            
            .button-group {
                flex-direction: column;
            }
        }