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

body {
    background: #0a0a0f;
    overflow: hidden;
    font-family: 'Courier New', monospace;
}

#canvas {
    display: block;
}

#instructions {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.3);
    font-size: 12px;
    letter-spacing: 0.1em;
    pointer-events: none;
    transition: opacity 2s ease;
}

#instructions.hidden {
    opacity: 0;
}

#back {
    position: fixed;
    top: 20px;
    left: 20px;
    color: rgba(255, 255, 255, 0.3);
    text-decoration: none;
    font-size: 12px;
    letter-spacing: 0.1em;
    transition: color 0.3s ease;
}

#back:hover {
    color: rgba(255, 255, 255, 0.6);
}