:root{--bg:#fbfbf8;--fg:#1d2329;--muted:#5b6670;--line:#d9dde0;--card:#fff;--accent:#2a6f97;--hi:#c2410c;--lo:#1d6fb8;--bar:#7fb3d5;--band:rgba(42,111,151,.10);--freeze:#7c8a96;--draft:#fff4cc;--draft-fg:#5c4400}
@media (prefers-color-scheme:dark){:root{--bg:#121619;--fg:#e4e8eb;--muted:#9aa6b0;--line:#2c343a;--card:#1a2025;--accent:#7cc0e8;--hi:#fb923c;--lo:#60a5fa;--bar:#3b6f91;--band:rgba(124,192,232,.12);--freeze:#7f8c96;--draft:#3a3016;--draft-fg:#f3dc9a}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:60rem;margin:0 auto;padding:0 1rem}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:.5rem;background:var(--card);padding:.25rem .5rem}
header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center;justify-content:space-between;padding-top:.6rem;padding-bottom:.6rem}
.brand{font-weight:700;text-decoration:none;color:var(--fg)}
nav{display:flex;flex-wrap:wrap;row-gap:.2rem}
nav a{margin-right:1rem;white-space:nowrap}
h1{font-size:1.75rem;line-height:1.25;margin:1.25rem 0 .5rem}
h2{font-size:1.3rem;line-height:1.3;margin:2rem 0 .5rem;padding-top:.25rem;border-top:1px solid var(--line)}
.lead{font-size:1.08rem}
.small,.note,caption{color:var(--muted);font-size:.9rem}
.crumbs{font-size:.9rem;color:var(--muted);margin-top:1rem}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(9.5rem,1fr));gap:.6rem;margin:1rem 0}
.cards div{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:.5rem .7rem}
.cards dt{font-size:.8rem;color:var(--muted)}.cards dd{margin:0}.cards .v{font-size:1.25rem;font-weight:650}.cards .sub{font-size:.8rem;color:var(--muted)}
.toc{font-size:.9rem;margin:.5rem 0 1rem}.toc a{margin-right:.8rem}
.tablewrap{overflow-x:auto;margin:1rem 0;border:1px solid var(--line);border-radius:6px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.9rem;font-variant-numeric:tabular-nums}
caption{text-align:left;padding:.5rem .6rem;caption-side:top}
th,td{padding:.35rem .6rem;border-top:1px solid var(--line);text-align:right;white-space:nowrap}
thead th{border-top:0;vertical-align:bottom;white-space:normal;font-weight:600}
th[scope=row],thead th:first-child,td[colspan]{text-align:left}
td[colspan]{white-space:normal}
tfoot th,tfoot td,tr.median th,tr.median td,tr.self th,tr.self td{font-weight:650}
tr.state th{background:var(--band);text-align:left}
table.index td{text-align:right}table.index td:nth-child(2),table.index td:nth-child(3){text-align:left}
figure{margin:1rem 0}
.chart{width:100%;height:auto;display:block}
.chart .grid{stroke:var(--line);stroke-width:1}
.chart .freeze{stroke:var(--freeze);stroke-dasharray:4 4}
.chart .axis{fill:var(--muted);font-size:12px}
.chart .band{fill:var(--band)}
.chart .line{fill:none;stroke-width:2.5}.chart .line.hi{stroke:var(--hi)}.chart .line.lo{stroke:var(--lo)}
.chart .dot.hi{fill:var(--hi)}.chart .dot.lo{fill:var(--lo)}
.chart .val{font-size:11px}.chart .val.hi{fill:var(--hi)}.chart .val.lo{fill:var(--lo)}.chart .val.pr{fill:var(--muted)}
.chart .bar{fill:var(--bar)}
blockquote.cite{margin:1rem 0;padding:.5rem 1rem;border-left:3px solid var(--line);color:var(--muted);font-size:.9rem;overflow-wrap:anywhere}
.made{margin:2rem 0;padding:.75rem 1rem;border:1px solid var(--line);border-radius:6px;background:var(--card);font-size:.92rem}
.draft{background:var(--draft);color:var(--draft-fg);padding:.6rem .8rem;border-radius:6px;font-weight:600;margin-top:1rem}
.placeholder{background:var(--draft);color:var(--draft-fg);padding:0 .2rem}
footer.site{margin-top:3rem;border-top:1px solid var(--line);background:var(--card);font-size:.9rem;color:var(--muted)}
footer.site .wrap{padding-top:1rem;padding-bottom:1.5rem}
@media (max-width:40rem){h1{font-size:1.45rem}th,td{padding:.3rem .45rem}}