ning tag -->
    <div id="error-toast" class="toast"></div>
    <div class="container">
        <div class="logo">
            <h1>OpenAI Real-Time Chat</h1>
        </div>
        <div class="chat-container">
            <div class="chat-messages" id="chat-messages"></div>
        </div>
        <div class="controls">
            <button id="start-button">Start Conversation</button>
        </div>
    </div>
    <audio id="audio-output"></audio>

    <script>
        let peerConnection;
        let webrtc_