:root{font-family:system-ui,-apple-system,sans-serif;color-scheme:light dark}body{margin:0;min-height:100vh;display:grid;place-items:start center;background:#0f1116;color:#e7e9ee}#app{width:min(900px,92vw);padding:2rem 0}header h1{margin:0;font-size:2.25rem}header p{margin:.25rem 0 1.5rem;opacity:.7}#score{background:#fff;border-radius:8px;min-height:120px}#status{margin-top:1rem;opacity:.6;font-size:.9rem}