  justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
            flex-direction: column;
            text-align: center;
        }

        h1 {
            font-size: 2.2rem;
            margin-bottom: 20px;
            color: #4A90E2;
        }

        #wgpuError {
            color: red;
            font-size: 1.2rem;
            margin-top: 20px;
            display: none;
        }

        #sdTitle {
            font-size: 1.5rem;
     