x;
                width: 24px;
                height: 24px;
                animation: spin 2s linear infinite;
            }

            .hidden {
                display: none;
            }

            @keyframes spin {
                0% { transform: rotate(0deg); }
                100% { transform: rotate(360deg); }
            }            
        </style>
    </head>
    <body>
        <div id="root">
            <h1>Streaming Gemini Response Demo</h1>
            <div class="form">
            