body {
    margin: 0;
    overflow: hidden;
    background: #0f1218;
    color: #f0f0f0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}