body {
    margin: 0;
    overflow: hidden;
    /* Deep Cosmic Nebula Gradient */
    background: radial-gradient(circle at 50% 50%, #2b1055 0%, #08061e 40%, #000000 100%);
    user-select: none;
}

canvas {
    width: 100vw;
    height: 100vh;
    display: block;
}