body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #05050a;
}

#canvas {
    display: block;
}

#ui {
    position: absolute;
    top: 20px;
    left: 20px;
    color: rgba(255, 255, 255, 0.5);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    pointer-events: none;
}

button {
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid white;
    color: white;
    padding: 10px;
    cursor: pointer;
    backdrop-filter: blur(5px);
}

button:hover {
    background: rgba(255, 255, 255, 0.2);
}