* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #000;
    color: #ccc;
    font-family: monospace;
}

canvas {
    display: block;
    width: 100vw !important;
    height: 100vh !important;
    touch-action: none;
    outline: none;
    border: none;
}

#mobile-block, #browser-block {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    text-align: center;
    padding: 2rem;
}

#mobile-block h1, #browser-block h1 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    letter-spacing: 0.15em;
}

#mobile-block p, #browser-block p {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: #888;
}

#browser-block ul {
    list-style: none;
    margin: 1rem 0;
    text-align: left;
}

#browser-block li {
    margin-bottom: 0.5rem;
    color: #aaa;
}

#browser-block code {
    background: #222;
    padding: 0.15em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    color: #f90;
}

#browser-block a {
    color: #4af;
}