body {
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: black;
}

canvas {
    display: block;
}

[hidden] {
    display: none !important;
}

#simulation-toggle {
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 3;
    padding: 8px 12px;
    color: white;
    background: rgb(0 0 0 / 70%);
    border: 1px solid rgb(255 255 255 / 45%);
    border-radius: 6px;
    font: 600 14px/1 sans-serif;
    cursor: pointer;
}

#simulation-toggle:hover,
#simulation-toggle:focus-visible {
    background: rgb(255 255 255 / 16%);
    outline: none;
}

#typing {
    position: fixed;
    top: 50%;
    left: 50%;
    z-index: 1;
    margin: 0;
    color: white;
    font-family: sans-serif;
    font-size: clamp(1rem, 3vw, 2rem);
    text-align: center;
    transform: translate(-50%, -50%);
}

.controls {
    position: fixed;
    top: 56px;
    left: 16px;
    z-index: 2;
    padding: 12px;
    color: white;
    background: rgb(0 0 0 / 60%);
    font-family: sans-serif;
    border-radius: 8px;
}

.control {
    display: grid;
    grid-template-columns: 90px 140px 40px;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.control:last-child {
    margin-bottom: 0;
}

#typing::after {
    content: "|";
    animation: blink 1.5s infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}