ding: 10px 20px;
            border: none;
            background-color: #007bff;
            color: #fff;
            border-radius: 4px;
            cursor: pointer;
        }

        #input-container input:disabled,
        #input-container button:disabled {
            background-color: #e0e0e0;
            cursor: not-allowed;
        }

        .message.error {
            color: #721c24;
            background-color: #f8d7da;
            border: 1px solid #f5c6cb;
            padding: 10px;
        