:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif}*{box-sizing:border-box}html,body{overscroll-behavior:none}body{margin:0;background:#111;color:#eee}.center{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100dvh;gap:16px;padding:24px;text-align:center}h1{font-size:1.4rem;margin:0}.hint{color:#9aa;margin:0;font-size:.95rem}.warn{color:#ff8a80;margin:0;font-size:.9rem;max-width:34ch}.code{font-size:1.6rem;letter-spacing:.18em;text-align:center;padding:12px 16px;width:min(320px,90vw);border-radius:10px;border:1px solid #444;background:#1b1b1b;color:#eee}.sas{font-size:3rem;letter-spacing:.3em;font-variant-numeric:tabular-nums;padding:16px 24px;border:2px solid #4caf50;border-radius:12px}.row{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}button{font:inherit;padding:12px 20px;border-radius:10px;border:1px solid #444;background:#222;color:#eee;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}.primary{background:#1e88e5;border-color:#1e88e5;color:#fff}.danger{background:#e53935;border-color:#e53935;color:#fff}.stage{display:flex;flex-direction:column;height:100dvh}.screen{flex:1;min-height:0;width:100%;object-fit:contain;background:#000;touch-action:none;-webkit-user-select:none;user-select:none}.stage:fullscreen{background:#111}.keys{display:flex;gap:8px;padding:10px;justify-content:center;background:#181818;flex-wrap:wrap}.keys button{padding:10px 14px}@media(max-width:480px){.keys{gap:4px;padding:8px 4px}.keys button{padding:10px 8px;font-size:.82rem;border-radius:8px}}.typing{display:flex;flex-wrap:wrap;gap:8px;padding:10px;align-items:center;background:#181818;border-top:1px solid #2a2a2a}.typing button{padding:10px 14px}.typed{flex:1 1 12ch;min-width:0;font:inherit;padding:10px 12px;border-radius:8px;border:1px solid #444;background:#1b1b1b;color:#eee}.tip{flex-basis:100%;margin:0;color:#9aa;font-size:.78rem;line-height:1.35}.badge{background:#1e88e5;color:#fff;padding:4px 12px;border-radius:999px;font-size:.8rem;font-weight:600}.ok{width:72px;height:72px;border-radius:50%;background:#43a047;color:#fff;display:grid;place-items:center;font-size:2.5rem}