        .rap-battle-generator {
            max-width: 800px;
            margin: 0 auto;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            color: #2c3338;
            font-size: 16px;
            font-weight: 600;
        }
        .optional-text {
            color: #666;
            font-style: italic;
            font-weight: normal;
            font-size: 14px;
        }
        input[type="text"] {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
            box-sizing: border-box;
        }
        input[type="text"]:focus {
            border-color: #666;
            outline: none;
        }
        button {
            width: 100%;
            padding: 12px;
            background: #000;
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        button:hover {
            background: #333;
        }
        #output {
            margin-top: 20px;
            padding: 20px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background: #f9f9f9;
            min-height: 200px;
            line-height: 1.6;
            color: #444;
        }
        .loading {
            text-align: center;
            color: #666;
            font-style: italic;
        }