.tetris-stage {
    margin-top: 14px;
    padding: 14px;
    border-radius: 14px;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

#tetrisCanvas {
    width: min(100%, 240px);
    aspect-ratio: 1 / 2;
    margin: 0 auto;
    display: block;
    border-radius: 12px;
    background: #101417;
    touch-action: none;
}

.control-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    margin-top: 18px;
}

.control-row button {
    height: 58px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
}

.control-row button:active {
    background: var(--pressed);
}