:root{--bg:#f6f7f9;--card:#fff;--ink:#1c2230;--muted:#667085;--line:#e3e6ec;--accent:#3b5bdb;--ok:#1a7f45;--bad:#b42318;--warn:#8a5a00;--code:#eef1f6;--s0:#3b5bdb;--s1:#e8590c;--s2:#2b8a3e}
@media (prefers-color-scheme:dark){:root{--bg:#10131a;--card:#181d27;--ink:#e6e9f0;--muted:#97a0b3;--line:#2a3140;--accent:#7c9cff;--ok:#4cc38a;--bad:#ff8b7e;--warn:#e5b454;--code:#222938;--s0:#7c9cff;--s1:#ff9a52;--s2:#6fd18a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
code{background:var(--code);padding:.1em .35em;border-radius:4px;font-size:.92em}
.top{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;padding:.7rem 16px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:700;text-decoration:none;color:var(--ink)}.brand span{color:var(--accent)}
.top nav{display:flex;gap:.9rem;flex-wrap:wrap;flex:1}
.top nav a{text-decoration:none;color:var(--muted);padding:.2rem 0;border-bottom:2px solid transparent}
.top nav a[aria-current]{color:var(--ink);border-color:var(--accent)}
main{max-width:1100px;margin:0 auto;padding:20px 16px 60px}
h1{font-size:1.6rem;margin:.2rem 0 1rem}h2{font-size:1.1rem;margin:0 0 .6rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;margin:0 0 16px}
.narrow{max-width:380px;margin:60px auto}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.stat b{display:block;font-size:1.7rem}.stat span{color:var(--muted);font-size:.85rem}
label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--muted)}
input,select,button{font:inherit}
input,select{padding:.45rem .6rem;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink)}
button{padding:.45rem .9rem;border:0;border-radius:6px;background:var(--accent);color:#fff;cursor:pointer}
@media (prefers-color-scheme:dark){button{color:#10131a}}
button.link{background:none;color:var(--muted);padding:0;text-decoration:underline}
form.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}
form.inline{display:inline-flex;gap:6px;margin:0 8px 0 0;align-items:center}
form .check{flex-direction:row;align-items:center;gap:6px;margin:8px 0}
.card form{margin:.4rem 0;display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}
.card form.inline{display:inline-flex}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%}
th,td{padding:.4rem .6rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:.8rem;color:var(--muted);font-weight:600;white-space:nowrap}
table.kv th{width:1%}
.muted{color:var(--muted)}.ok{color:var(--ok)}.bad{color:var(--bad)}
.notice{padding:.6rem .8rem;border-radius:8px;border:1px solid var(--line);margin:0 0 12px}
.notice.err{border-color:var(--bad);color:var(--bad)}.notice.warn{border-color:var(--warn);color:var(--warn)}.notice.ok-n{border-color:var(--ok);color:var(--ok)}
.chart{width:100%;height:auto}.chart .grid{stroke:var(--line)}.chart .tick{fill:var(--muted);font-size:10px}
.chart .line{stroke-width:2}.s0{stroke:var(--s0)}.s1{stroke:var(--s1)}.s2{stroke:var(--s2)}
.legend{display:flex;gap:14px;font-size:.8rem;margin-bottom:4px}.key{border-left:10px solid;padding-left:6px;color:var(--muted)}
.key.s0{border-color:var(--s0)}.key.s1{border-color:var(--s1)}.key.s2{border-color:var(--s2)}
.docs{display:grid;grid-template-columns:240px minmax(0,1fr);gap:24px}
.side{position:sticky;top:12px;align-self:start;max-height:calc(100vh - 24px);overflow:auto;font-size:.9rem}
.side ul{list-style:none;padding:0;margin:0 0 16px}.side li{margin:.25rem 0}
.side a{text-decoration:none;color:var(--muted)}.side a[aria-current]{color:var(--ink);font-weight:600}
.toc .l3{padding-left:12px}
.prose{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 28px 24px;min-width:0}
.prose h1{font-size:1.8rem}.prose h2{margin-top:1.8rem;padding-top:.4rem;border-top:1px solid var(--line);font-size:1.3rem}
.prose pre{background:var(--code);padding:12px;border-radius:8px;overflow-x:auto}.prose pre code{background:none;padding:0}
.prose table{display:block;overflow-x:auto}.prose blockquote{margin:1em 0;padding:.2em 1em;border-left:3px solid var(--line);color:var(--muted)}
.prose .dead-link{color:var(--muted);text-decoration:underline dotted;cursor:help}
.src{margin-top:2rem;font-size:.85rem}
@media (max-width:760px){.docs{grid-template-columns:1fr}.side{position:static;max-height:none}.prose{padding:4px 16px 20px}}