:root{color:#f7f7f2;background:#111;font-family:Arial,Helvetica,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:radial-gradient(circle at 50% 0%,rgba(255,255,255,.1),transparent 28rem),#111}.game-shell{display:grid;min-height:100vh;place-items:center;align-content:center;gap:2.5rem;padding:2rem 1rem}.game-header{display:grid;gap:.55rem;text-align:center}.game-header h1{margin:0;font-size:clamp(2rem,8vw,4.5rem);line-height:.95}.game-header p{margin:0;color:#aaa;font-size:1rem;font-weight:700}.game-screen{width:min(620px,calc(100vw - 2rem));height:auto;aspect-ratio:31 / 20;border:1px solid rgba(255,255,255,.12);background:#222;box-shadow:0 1.5rem 4rem #00000073;cursor:crosshair}@media(max-height:620px){.game-shell{gap:1.25rem;padding-block:1rem}.game-header h1{font-size:2rem}}