:root{--bg:#f6f7fb;--card:#fff;--ink:#1d2433;--muted:#5b6475;--brand:#2f5bea;--brand-ink:#fff;--line:#e3e6ee;--bad:#b42318;--ok:#067647}
@media (prefers-color-scheme:dark){:root{--bg:#0f1218;--card:#171b23;--ink:#e7e9ee;--muted:#9aa3b2;--brand:#5b7cfa;--line:#2a303c;--bad:#f97066;--ok:#47cd89}}
*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;border-bottom:1px solid var(--line);background:var(--card)}
.brand{font-weight:700;font-size:20px;color:var(--brand);text-decoration:none}nav{display:flex;gap:14px;align-items:center}
nav a{color:var(--ink);text-decoration:none}.who{color:var(--muted)}main{max-width:880px;margin:28px auto;padding:0 16px}
footer{text-align:center;color:var(--muted);font-size:13px;padding:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin-bottom:18px}
h1{font-size:26px;margin:0 0 14px}h2{font-size:19px;margin:0 0 12px}
label{display:block;font-weight:600;margin:12px 0 4px}input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
.btn,button{display:inline-block;background:var(--brand);color:var(--brand-ink);border:0;border-radius:8px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn.small{padding:6px 12px}.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
button.link{background:none;color:var(--ink);padding:0;font-weight:400}form.inline{display:inline}
.row{display:flex;gap:12px;flex-wrap:wrap}.row>*{flex:1 1 200px}.mt{margin-top:16px}
.err{background:color-mix(in srgb,var(--bad) 12%,transparent);color:var(--bad);border-radius:8px;padding:10px 12px;margin-bottom:12px}
.ok{background:color-mix(in srgb,var(--ok) 12%,transparent);color:var(--ok);border-radius:8px;padding:10px 12px;margin-bottom:12px}
table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600;font-size:14px}
.muted{color:var(--muted)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:13px}
code.copy{display:block;word-break:break-all;padding:10px;border-radius:8px;background:var(--bg);border:1px solid var(--line)}