document.addEventListener('DOMContentLoaded', function () {
    const startButton = document.getElementById('startButton');
    const nicknameInput = document.getElementById('nickname');

    startButton.addEventListener('click', function () {
        const nickname = nicknameInput.value.trim();
        if (nickname === '') {
            alert('Please enter a nickname.');
        } else {
            alert('Starting chat for ' + nickname + '!');
            // Placeholder for WebRTC logic
        }
    });
});