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

body {
    background: #060618;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

#game {
    display: block;
    touch-action: none;
    cursor: pointer;
}

.back-link {
    position: fixed;
    top: 12px;
    left: 12px;
    color: rgba(255, 255, 255, 0.45);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    z-index: 10;
    transition: color 0.2s;
}
.back-link:hover { color: #fff; }