*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,sans-serif;min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e);color:#e8e8e8}#app{text-align:center;padding:2rem}h1{font-size:2rem;margin-bottom:1rem}p{margin:.5rem 0;opacity:.9}.hint{margin-top:2rem;font-size:.9rem;color:#94a3b8}code{background:#ffffff1a;padding:.2rem .5rem;border-radius:4px}