      padding: 15px;
            background: #f8f9fa;
            margin: 20px 0;
            border-radius: 5px;
            font-family: 'Courier New', monospace;
            font-size: 14px;
        }

        .message {
            margin: 8px 0;
            padding: 8px;
            border-radius: 4px;
        }

        .system {
            background: #e8f4fd;
            color: #2980b9;
            border-left: 4px solid #3498db;
        }

        .user {
            background: #e8f5e8;
         