       </div>
    </div>

    <script>
        const API_URL = '/v1/audio/speech';

        // Refresh variables
        const refreshBtn = document.getElementById('refresh-btn');
        const refreshIcon = document.getElementById('refresh-icon');

        // Form variables
        const form = document.getElementById('tts-form');
        /** @type{HTMLSelectElement} */
        const modelSelect = document.getElementById('model-select');
        const textInput = document.getElementById('text-input');
    