:root{--bg:#f6f7f8;--card:#fff;--ink:#17202a;--muted:#6b7280;--line:#e5e7eb;--brand:#0f766e;--brand-ink:#fff}
@media (prefers-color-scheme:dark){:root{--bg:#0f1316;--card:#171c21;--ink:#e6e9ee;--muted:#9aa3ad;--line:#2a3138;--brand:#14b8a6;--brand-ink:#06201d}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 "IBM Plex Sans",Inter,"Segoe UI",Arial,sans-serif}
.doc{max-width:860px;margin:0 auto;padding:28px 16px 48px}
header{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between;margin-bottom:26px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);text-decoration:none;font-size:17px}
.logo{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--brand);color:var(--brand-ink);font-size:13px;font-weight:800;letter-spacing:.02em}
nav{font-size:13.5px;color:var(--muted)}
nav a{color:var(--brand);text-decoration:none}
nav a:hover{text-decoration:underline}
h1{font-size:28px;letter-spacing:-.01em;margin:0 0 6px}
h2{font-size:17px;margin:28px 0 8px;padding-bottom:4px;border-bottom:1px solid var(--line)}
p,li{max-width:72ch}
.muted{color:var(--muted)}
a{color:var(--brand)}
code{background:rgba(127,127,127,.12);padding:1px 5px;border-radius:4px;font-size:.92em}
table{border-collapse:collapse;width:100%;font-size:13.5px;margin:10px 0}
th,td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
th{background:rgba(127,127,127,.08)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:14px 0}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);border:0;border-radius:8px;padding:9px 14px;font-weight:600;font-size:14px;cursor:pointer;text-decoration:none}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
input[type=text]{width:100%;max-width:360px;padding:9px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);color:var(--ink);font:inherit}
.status{margin-top:10px;font-size:14px}
.ok{color:#15803d}.bad{color:#b91c1c}
footer{margin-top:40px;color:var(--muted);font-size:13px;border-top:1px solid var(--line);padding-top:12px}