body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: #007bff;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
    margin-right: 10px;
    margin-bottom: 10px;
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

button:hover:not(:disabled) {
    background-color: #0056b3;
}

.video-area {
    margin-top: 30px;
}

video {
    width: 100%;
    max-width: 640px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 20px;
}

.remote-participant {
    margin-bottom: 30px;
    padding: 10px;
    border: 1px solid #eee;
    border-radius: 4px;
}

.remote-participant h4 {
    margin-top: 0;
    color: #333;
}

.log-area {
    margin-top: 30px;
}

#log {
    width: 100%;
    height: 200px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
    overflow-y: auto;
    resize: vertical;
}

.controls {
    margin-top: 15px;
    margin-bottom: 15px;
}