:root{color-scheme:dark}body{margin:0;font-family:system-ui,sans-serif;background:#111;color:#eee}.row{display:flex;align-items:center;gap:12px;padding:12px;border-bottom:1px solid #222}.btn{background:#333;color:#eee;border:0;padding:14px 20px;border-radius:10px;font-size:18px}.big{font-size:64px;padding:32px}.status{font-size:18px;padding:12px;opacity:.8}.your-turn{color:#ffd166}