body {
    margin: 0;
    padding: 0;
    background: linear-gradient(to bottom, #000011, #000033);
    font-family: Arial, sans-serif;
    overflow: hidden;
}

#instructions {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px;
    border-radius: 5px;
    z-index: 10;
    max-width: 300px;
}

#controls {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px;
    border-radius: 5px;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    width: 250px;
}

#controls label {
    font-size: 0.8em;
}

#controls input, #controls button {
    width: 100%;
    font-size: 0.8em;
}

#fireworksCanvas {
    display: block;
    width: 100vw;
    height: 100vh;
}