         align-items: center;
        }
        .room-controls label {
            font-weight: 500;
        }
        .room-controls input {
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
            flex: 1;
        }
        .messages {
            height: 400px;
            overflow-y: auto;
            padding: 20px;
            border-bottom: 1px solid #eee;
        }
        .message {
            margin-bottom: 15px;
            padding: 12px;
         