:root{--bg:#f7f8fb;--card:#fff;--fg:#14171f;--dim:#4b5262;--line:#dfe3ea;--acc:#0e7c86;--todo:#fff1a8;--box:#eef6f7}
@media (prefers-color-scheme:dark){:root{--bg:#070b14;--card:#0d1322;--fg:#e8ebf2;--dim:#a7b0c2;--line:#1e2738;--acc:#4fd1c5;--todo:#5c4d00;--box:#0f2027}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 "Segoe UI",system-ui,-apple-system,sans-serif}
a{color:var(--acc)}
.lhead{position:sticky;top:0;background:var(--card);border-bottom:1px solid var(--line);padding:10px 16px;display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;z-index:2}
.lbrand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--fg);text-decoration:none}
.lbrand img{width:26px;height:26px;border-radius:6px}.lbrand span{font-weight:400;color:var(--dim);font-size:13px}
.lnav{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:14px}.lnav a{text-decoration:none;color:var(--dim)}
.lnav a[aria-current]{color:var(--acc);font-weight:600}
.ldoc{max-width:860px;margin:0 auto;padding:24px 16px 48px;background:var(--card);min-height:70vh}
@media (min-width:900px){.ldoc{margin:24px auto;border:1px solid var(--line);border-radius:14px;padding:36px 48px 56px}}
h1{font-size:30px;line-height:1.2;margin:0 0 6px}h2{font-size:21px;margin:34px 0 8px;padding-top:6px;border-top:1px solid var(--line)}
h3{font-size:17px;margin:22px 0 6px}
.lver{color:var(--dim);font-size:14px;margin:0 0 18px}
.short{background:var(--box);border-left:4px solid var(--acc);border-radius:8px;padding:12px 18px;margin:18px 0}
.short h2{border:0;margin:4px 0 6px;padding:0;font-size:18px}
.caps{text-transform:uppercase;font-weight:600;letter-spacing:.01em}
.warn{border:2px solid var(--acc);border-radius:10px;padding:12px 18px;margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:14.5px;margin:10px 0}th,td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top}
th{background:var(--box)}
.tw{overflow-x:auto}
mark.todo{background:var(--todo);color:inherit;padding:0 3px;border-radius:3px}
li{margin:3px 0}
.lfoot{max-width:860px;margin:0 auto;padding:18px 16px 40px;color:var(--dim);font-size:13.5px}
@media print{.lhead{position:static}.lnav{display:none}.ldoc{border:0;margin:0}}