:root{--bg:#f6f7f9;--surface:#fff;--text:#1b1f24;--muted:#5d6673;--border:#dde1e6;--accent:#2f6fde;--accent-text:#fff;--accent-hover:#2459b8;--error:#c62828;--success:#2e7d32;--radius:12px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root{--bg:#111418;--surface:#1a1e24;--text:#e8eaed;--muted:#9aa3ad;--border:#2c323a;--accent:#5b8ff0;--accent-text:#0b1220;--accent-hover:#7aa4f3;--error:#ef6b6b;--success:#6fcf73;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}h1{margin:0;font-size:1.6rem}h2{margin:0;font-size:1.15rem}p{margin:0}a{color:var(--accent)}code{background:var(--bg);border-radius:6px;padding:.1em .35em;font-family:ui-monospace,Menlo,Consolas,monospace}.header{border-bottom:1px solid var(--border);background:var(--surface);align-items:center;padding:12px 16px;display:flex}.brand{color:var(--text);font-size:1.1rem;font-weight:700;text-decoration:none}.main{max-width:480px;margin:0 auto;padding:24px 16px 48px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stack{flex-direction:column;gap:12px;display:flex}.stack-lg{flex-direction:column;gap:20px;display:flex}.row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}label{font-size:.95rem;font-weight:600}input{width:100%;font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:10px;padding:12px 14px}input:focus{outline:2px solid var(--accent);outline-offset:1px}.code-input{letter-spacing:.4em;text-align:center;font-variant-numeric:tabular-nums;font-size:1.5rem}button,.button{font:inherit;text-align:center;background:var(--accent);color:var(--accent-text);cursor:pointer;border:1px solid #0000;border-radius:10px;padding:12px 16px;font-weight:600;text-decoration:none;display:inline-block}button:hover:not(:disabled),.button:hover{background:var(--accent-hover)}button:disabled{opacity:.55;cursor:default}button.secondary{color:var(--text);border-color:var(--border);background:0 0}button.secondary:hover:not(:disabled){background:var(--bg)}button.link{color:var(--accent);background:0 0;padding:4px 0;font-weight:500}button.link:hover:not(:disabled){background:0 0;text-decoration:underline}.muted{color:var(--muted);font-size:.95rem}.error{color:var(--error)}.success{color:var(--success)}.props{grid-template-columns:auto 1fr;gap:6px 16px;margin:0;display:grid}.props dt{color:var(--muted)}.props dd{margin:0}