:root{--bg:#f4f2ee;--fg:#1c1b18;--card:#fff;--muted:#6f6a61;--border:#d8d4cc;--accent:#b4552d;--accent-hover:#9c4826;--error-bg:#fbe9e4;--error-fg:#8c2f10;--ok-bg:#e7f0e4;--ok-fg:#2f5b25;--shadow:0 8px 32px #1c1b181a}@media (prefers-color-scheme:dark){:root{--bg:#17161a;--fg:#ece9e2;--card:#201f24;--muted:#9a958c;--border:#3a3840;--error-bg:#3a201a;--error-fg:#f0b7a4;--ok-bg:#22301e;--ok-fg:#a8cf98;--shadow:0 8px 32px #00000080}}body{background:var(--bg);color:var(--fg);margin:0;font-family:system-ui,-apple-system,sans-serif}main.center{place-items:center;min-height:100dvh;padding:1rem;display:grid}.card{background:var(--card);width:100%;max-width:24rem;box-shadow:var(--shadow);box-sizing:border-box;border-radius:14px;padding:2rem}.card.wide{max-width:44rem}.brand{letter-spacing:-.01em;margin:0 0 .25rem;font-size:1.3rem;font-weight:700}.brand span{color:var(--accent)}.sub{color:var(--muted);margin:0 0 1.25rem;font-size:.92rem}form.stack{gap:.9rem;display:grid}form.stack label{gap:.3rem;font-size:.82rem;font-weight:600;display:grid}input{font:inherit;border:1px solid var(--border);background:var(--bg);color:var(--fg);box-sizing:border-box;border-radius:8px;width:100%;padding:.55rem .7rem}input:focus{outline:2px solid var(--accent);outline-offset:1px}button,a.button{font:inherit;background:var(--accent);color:#fff;cursor:pointer;text-align:center;border:0;border-radius:8px;padding:.6rem 1rem;font-weight:600;text-decoration:none;display:inline-block}button:hover,a.button:hover{background:var(--accent-hover)}button.secondary,a.button.secondary{color:inherit;border:1px solid var(--border);background:0 0}.error{background:var(--error-bg);color:var(--error-fg);border-radius:8px;margin:0 0 1rem;padding:.6rem .8rem;font-size:.85rem}.success{background:var(--ok-bg);color:var(--ok-fg);border-radius:8px;margin:0 0 1rem;padding:.6rem .8rem;font-size:.85rem}.codes{background:var(--bg);border:1px solid var(--border);border-radius:8px;grid-template-columns:repeat(2,1fr);gap:.4rem;margin:.8rem 0;padding:.8rem;font-family:ui-monospace,monospace;font-size:.9rem;display:grid}nav.tabs{border-bottom:1px solid var(--border);gap:1rem;margin:0 0 1.5rem;padding-bottom:.6rem;font-size:.9rem;display:flex}nav.tabs a{color:var(--muted);font-weight:600;text-decoration:none}nav.tabs a.active,nav.tabs a:hover{color:var(--accent)}table{border-collapse:collapse;width:100%;font-size:.88rem}th,td{text-align:left;border-bottom:1px solid var(--border);padding:.5rem .6rem}th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:.75rem}