:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f2f1ed;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --accent-ink: #1c5cab;
  --accent-wash: #e6f0fc;
  --s1: #2a78d6;
  --s2: #eb6834;
  --s3: #1baf7a;
  --s4: #eda100;
  --good: #006300;
  --bad: #d03b3b;
  --warn-bg: #fff5dc;
  --seq-0: #f0efec;
  --seq-1: #cde2fb;
  --seq-2: #9ec5f4;
  --seq-3: #6da7ec;
  --seq-4: #3987e5;
  --seq-5: #256abf;
  --seq-6: #184f95;
  --mark: #fde68a;
  --shadow: 0 10px 40px rgba(0, 0, 0, .14);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --ink: #f0efec; --ink-2: #c3c2b7;
    --muted: #898781; --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, .10);
    --accent: #3987e5; --accent-ink: #86b6ef; --accent-wash: #16263a;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --good: #0ca30c; --bad: #e66767; --warn-bg: #2e2510;
    --seq-0: #262624; --seq-1: #104281; --seq-2: #184f95; --seq-3: #1c5cab; --seq-4: #256abf; --seq-5: #3987e5; --seq-6: #6da7ec;
    --mark: #5c4a12; --shadow: 0 10px 40px rgba(0, 0, 0, .6);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321; --ink: #f0efec; --ink-2: #c3c2b7;
  --muted: #898781; --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, .10);
  --accent: #3987e5; --accent-ink: #86b6ef; --accent-wash: #16263a;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --good: #0ca30c; --bad: #e66767; --warn-bg: #2e2510;
  --seq-0: #262624; --seq-1: #104281; --seq-2: #184f95; --seq-3: #1c5cab; --seq-4: #256abf; --seq-5: #3987e5; --seq-6: #6da7ec;
  --mark: #5c4a12; --shadow: 0 10px 40px rgba(0, 0, 0, .6);
}

* { box-sizing: border-box; }
html { scroll-padding-top: 72px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, kbd { font-family: var(--mono); font-size: .86em; }
kbd { border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; color: var(--ink-2); background: var(--surface); font-size: 11px; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -.01em; }
.num, td.n, th.n { font-variant-numeric: tabular-nums; }

/* ---------- top bar ---------- */
.topbar { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; gap: 14px; height: 56px; padding: 0 16px; background: color-mix(in srgb, var(--page) 86%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; color: var(--ink); white-space: nowrap; }
.brand:hover { text-decoration: none; }
.logo { width: 24px; height: 24px; color: var(--accent); flex: none; }
.mainnav { display: flex; gap: 2px; margin-left: 8px; }
.mainnav a { padding: 6px 10px; border-radius: 8px; color: var(--ink-2); font-size: 14px; white-space: nowrap; }
.mainnav a:hover { background: var(--surface-2); text-decoration: none; color: var(--ink); }
.mainnav a.on { color: var(--ink); background: var(--surface-2); font-weight: 600; }
.searchbtn { margin-left: auto; display: flex; align-items: center; gap: 24px; padding: 6px 8px 6px 12px; min-width: 220px; justify-content: space-between; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); color: var(--muted); font: inherit; font-size: 13.5px; cursor: pointer; }
.searchbtn:hover { border-color: var(--axis); }
.iconbtn { border: 1px solid var(--border); background: var(--surface); color: var(--ink-2); border-radius: 9px; width: 34px; height: 34px; cursor: pointer; font-size: 16px; flex: none; }
.navtoggle { display: none; }

main { outline: none; min-height: calc(100vh - 56px); }
.wrap { max-width: 1240px; margin: 0 auto; padding: 28px 24px 80px; }
.loading { padding: 80px; text-align: center; color: var(--muted); }

/* ---------- overview ---------- */
.hero { padding: 36px 0 8px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: end; }
.hero h1 { font-size: clamp(28px, 4vw, 42px); margin: 0 0 12px; letter-spacing: -.025em; }
.hero p.lede { font-size: 17px; color: var(--ink-2); margin: 0; max-width: 640px; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: 11.5px; font-weight: 650; color: var(--accent-ink); margin-bottom: 10px; }
.hw { border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; background: var(--surface); font-size: 13.5px; }
.hw dt { color: var(--muted); font-size: 12px; }
.hw dd { margin: 0 0 8px; }
.hw dl { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 18px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin: 28px 0; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; }
.tile .v { font-size: 28px; font-weight: 650; letter-spacing: -.02em; line-height: 1.1; }
.tile .v small { font-size: 14px; color: var(--ink-2); font-weight: 500; margin-left: 3px; }
.tile .k { color: var(--ink-2); font-size: 13px; margin-top: 4px; }
.tile .s { color: var(--muted); font-size: 12px; margin-top: 2px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 18px 14px; min-width: 0; }
.card h3 { margin: 0 0 2px; font-size: 15.5px; }
.card .sub { color: var(--ink-2); font-size: 13px; margin: 0 0 12px; }
.card .foot { color: var(--muted); font-size: 12px; margin-top: 8px; }
.section-h { display: flex; align-items: baseline; justify-content: space-between; margin: 40px 0 14px; gap: 12px; }
.section-h h2 { margin: 0; font-size: 21px; }
.section-h a { font-size: 13.5px; }
.doccards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.doccard { display: block; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; color: var(--ink); transition: border-color .15s, transform .15s; }
.doccard:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-1px); }
.doccard b { display: block; font-size: 14.5px; line-height: 1.35; }
.doccard span { display: block; color: var(--muted); font-size: 12px; margin-top: 6px; }
.headline .tbl { margin: 0; }

/* ---------- strata-oss ---------- */
details.raw { margin-top: 8px; font-size: 13px; }
details.raw summary { cursor: pointer; color: var(--ink-2); }
.figs { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 12px; }
.fig { padding: 10px; display: block; }
.fig img { width: 100%; height: auto; display: block; border-radius: 6px; background: #fff; }

/* ---------- projects ---------- */
.projcards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.projcard { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.projcard .eyebrow { margin: 0; font-family: var(--mono); text-transform: none; letter-spacing: 0; font-size: 12px; }
.projcard h3 { margin: 0; font-size: 17px; }
.projcard h3 a { color: var(--ink); }
.projcard p { margin: 0; color: var(--ink-2); font-size: 13.5px; flex: 1; }
.pstats { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12.5px; color: var(--muted); }
.pstats b { color: var(--ink); font-weight: 600; }
.pact { display: flex; flex-wrap: wrap; gap: 6px; }
.plast { font-size: 12px; color: var(--muted); border-top: 1px solid var(--grid); padding-top: 8px; overflow: hidden; text-overflow: ellipsis; }
.plast a { color: var(--ink-2); }
.ghbtn { display: grid; place-items: center; color: var(--ink-2); }
.ghbtn:hover { color: var(--ink); }
.btn svg { margin-right: 2px; }

/* ---------- charts ---------- */
.chart { width: 100%; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--ink-2); font: 12px var(--sans); }
.chart .lbl { fill: var(--ink); }
.chart .val { fill: var(--ink-2); font-variant-numeric: tabular-nums; }
.chart .tick { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .gl { stroke: var(--grid); stroke-width: 1; }
.chart .base { stroke: var(--axis); stroke-width: 1; }
.chart .bar { fill: var(--s1); transition: opacity .12s; }
.chart .bar.alt { fill: var(--s2); }
.chart .bar.c3 { fill: var(--s3); }
.chart .bar.c4 { fill: var(--s4); }
.chart .bar.dim { opacity: .45; }
.chart .hit { fill: transparent; cursor: pointer; }
.chart .row:hover .bar { opacity: .8; }
.chart .row:hover .lbl { text-decoration: underline; }
.chart .dot { fill: var(--s1); stroke: var(--surface); stroke-width: 2; }
.chart .meanl { stroke: var(--ink); stroke-width: 2; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); margin: 0 0 8px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.tip { position: fixed; z-index: 60; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 10px; padding: 9px 11px; font-size: 12.5px; line-height: 1.45; max-width: 340px; }
.tip b { display: block; margin-bottom: 3px; font-size: 13px; }
.tip .r { display: flex; justify-content: space-between; gap: 16px; }
.tip .r span:first-child { color: var(--muted); }
.tip .r span:last-child { font-variant-numeric: tabular-nums; text-align: right; }

/* ---------- tables ---------- */
.tbl { overflow-x: auto; margin: 16px 0; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 13.5px; }
th, td { text-align: left; padding: 7px 12px; border-bottom: 1px solid var(--grid); vertical-align: top; }
th { font-weight: 600; color: var(--ink-2); background: var(--surface-2); font-size: 12.5px; white-space: nowrap; position: sticky; top: 0; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: color-mix(in srgb, var(--accent-wash) 55%, transparent); }
th.sort { cursor: pointer; user-select: none; }
th.sort:hover { color: var(--ink); }
th.sort[data-dir]::after { content: " ↓"; color: var(--accent); }
th.sort[data-dir="asc"]::after { content: " ↑"; }
td.n, th.n { text-align: right; }
td.na { color: var(--muted); text-align: right; }
.pill { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 11.5px; background: var(--surface-2); color: var(--ink-2); border: 1px solid var(--border); white-space: nowrap; }
.pill.warn { background: var(--warn-bg); }
.pill.ok { color: var(--good); }
.pill.bad { color: var(--bad); }
.minibar { display: inline-block; height: 6px; border-radius: 3px; background: var(--s1); vertical-align: middle; margin-left: 8px; }

/* ---------- filters ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 14px; }
.filters select, .filters input[type=search] { font: inherit; font-size: 13.5px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--ink); }
.filters label { font-size: 13px; color: var(--ink-2); display: flex; gap: 6px; align-items: center; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 9px; overflow: hidden; background: var(--surface); }
.seg button { font: inherit; font-size: 13px; padding: 6px 12px; border: 0; background: transparent; color: var(--ink-2); cursor: pointer; }
.seg button + button { border-left: 1px solid var(--border); }
.seg button.on { background: var(--accent-wash); color: var(--accent-ink); font-weight: 600; }
.count { color: var(--muted); font-size: 13px; margin-left: auto; }

/* ---------- heatmap ---------- */
.heat td.c { text-align: center; font-variant-numeric: tabular-nums; font-size: 12.5px; padding: 6px 4px; min-width: 64px; cursor: default; border-left: 2px solid var(--surface); }
.heat td.c.l0 { background: var(--seq-0); }
.heat td.c.l1 { background: var(--seq-1); }
.heat td.c.l2 { background: var(--seq-2); }
.heat td.c.l3 { background: var(--seq-3); color: #fff; }
.heat td.c.l4 { background: var(--seq-4); color: #fff; }
.heat td.c.l5 { background: var(--seq-5); color: #fff; }
.heat td.c.l6 { background: var(--seq-6); color: #fff; }
.heat tbody tr:hover td.c { filter: brightness(1.06); }
.heat td.run { max-width: 340px; }
.heat td.run a { font-family: var(--mono); font-size: 12.5px; }
.heat td.run small { display: block; color: var(--muted); font-size: 11.5px; }
.seqlegend { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.seqlegend i { width: 22px; height: 10px; border-radius: 2px; display: inline-block; }

/* ---------- docs ---------- */
.docs { display: grid; grid-template-columns: 250px minmax(0, 1fr) 230px; gap: 36px; max-width: 1500px; margin: 0 auto; padding: 0 24px; }
.docnav, .doctoc { position: sticky; top: 56px; align-self: start; max-height: calc(100vh - 56px); overflow-y: auto; padding: 24px 0 40px; font-size: 13.5px; }
.docnav a { display: block; padding: 5px 10px; border-radius: 7px; color: var(--ink-2); line-height: 1.35; margin-bottom: 1px; }
.docnav a:hover { background: var(--surface-2); text-decoration: none; color: var(--ink); }
.docnav a.on { background: var(--accent-wash); color: var(--accent-ink); font-weight: 600; }
.docnav a small { display: block; color: var(--muted); font-size: 11px; font-weight: 400; font-family: var(--mono); }
.navh { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 650; margin: 0 10px 8px; }
.doctoc a { display: block; padding: 3px 0 3px 12px; color: var(--muted); border-left: 2px solid var(--grid); font-size: 12.5px; line-height: 1.4; }
.doctoc a.l3 { padding-left: 24px; }
.doctoc a.l4 { padding-left: 36px; font-size: 12px; }
.doctoc a:hover { color: var(--ink); text-decoration: none; }
.doctoc a.on { color: var(--accent-ink); border-left-color: var(--accent); }
.article { padding: 28px 0 100px; min-width: 0; }
.docmeta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.prose { font-size: 15.5px; line-height: 1.7; }
.prose h1 { font-size: 32px; margin: 4px 0 18px; letter-spacing: -.02em; }
.prose h2 { font-size: 23px; margin: 48px 0 12px; padding-top: 12px; border-top: 1px solid var(--grid); }
.prose h3 { font-size: 18.5px; margin: 34px 0 10px; }
.prose h4 { font-size: 16px; margin: 26px 0 8px; }
.prose h2, .prose h3, .prose h4 { position: relative; }
.prose .anchor { position: absolute; left: -22px; color: var(--muted); opacity: 0; font-weight: 400; padding-right: 6px; }
.prose h2:hover .anchor, .prose h3:hover .anchor, .prose h4:hover .anchor { opacity: 1; }
.prose p, .prose ul, .prose ol { margin: 0 0 14px; }
.prose li { margin: 3px 0; }
.prose code { background: var(--surface-2); padding: 1px 5px; border-radius: 5px; border: 1px solid var(--border); }
.prose pre { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; overflow-x: auto; line-height: 1.5; font-size: 13px; }
.prose pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.prose pre code.hljs { background: transparent; padding: 0; }
.prose blockquote { margin: 16px 0; padding: 10px 16px; border-left: 3px solid var(--accent); background: var(--accent-wash); border-radius: 0 10px 10px 0; color: var(--ink); }
.prose blockquote p:last-child { margin: 0; }
.prose img { max-width: 100%; border-radius: 10px; border: 1px solid var(--border); }
.prose hr { border: 0; border-top: 1px solid var(--grid); margin: 32px 0; }
.prose table { font-size: 13.5px; }
.prose td, .prose th { padding: 6px 11px; }
.prose th { position: static; }
.flash { animation: flash 1.6s ease-out; }
@keyframes flash { 0% { background: var(--mark); } 100% { background: transparent; } }
.pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 60px; }
.pager a { flex: 1; border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; background: var(--surface); }
.pager a small { display: block; color: var(--muted); }
.pager a:last-child { text-align: right; }

/* ---------- files ---------- */
.files { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 0; height: calc(100vh - 56px); }
.tree { overflow: auto; border-right: 1px solid var(--border); padding: 12px 8px 40px; font-size: 13px; background: var(--surface); }
.tree input { width: 100%; font: inherit; font-size: 13px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--page); color: var(--ink); margin-bottom: 8px; }
.tree details > summary { list-style: none; cursor: pointer; padding: 2px 6px; border-radius: 6px; white-space: nowrap; color: var(--ink); }
.tree details > summary::before { content: "▸"; display: inline-block; width: 14px; color: var(--muted); transition: transform .1s; }
.tree details[open] > summary::before { transform: rotate(90deg); }
.tree summary:hover, .tree a:hover { background: var(--surface-2); text-decoration: none; }
.tree .kids { padding-left: 12px; }
.tree a { display: block; padding: 2px 6px 2px 20px; border-radius: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--ink-2); }
.tree a.on { background: var(--accent-wash); color: var(--accent-ink); font-weight: 600; }
.viewer { overflow: auto; min-width: 0; }
.vhead { position: sticky; top: 0; z-index: 2; background: color-mix(in srgb, var(--page) 92%, transparent); backdrop-filter: blur(8px); padding: 14px 22px 10px; border-bottom: 1px solid var(--border); }
.crumbs { font-family: var(--mono); font-size: 13px; color: var(--muted); word-break: break-all; }
.crumbs a { color: var(--ink-2); }
.vmeta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; align-items: center; }
.vmeta .pill code { font-size: 11px; }
.vmeta .sp { margin-left: auto; display: flex; gap: 6px; }
.btn { font: inherit; font-size: 12.5px; padding: 4px 10px; border-radius: 7px; border: 1px solid var(--border); background: var(--surface); color: var(--ink-2); cursor: pointer; }
.btn:hover { color: var(--ink); text-decoration: none; border-color: var(--axis); }
.code { margin: 0; padding: 16px 0; font: 12.5px/1.55 var(--mono); counter-reset: ln; }
.code .ln { display: block; padding: 0 22px 0 0; white-space: pre; }
.code .ln::before { counter-increment: ln; content: counter(ln); display: inline-block; width: 52px; padding-right: 14px; text-align: right; color: var(--muted); opacity: .6; user-select: none; }
.code.wrap .ln { white-space: pre-wrap; word-break: break-word; padding-left: 66px; text-indent: -66px; }
.code .ln.hl { background: var(--mark); }
.dirlist td a { font-family: var(--mono); font-size: 13px; }
.vbody { padding: 0 0 60px; }
.vbody .wrapin { padding: 18px 22px; }
.vbody img { max-width: 100%; }

/* ---------- search palette ---------- */
.palette { position: fixed; inset: 0; z-index: 50; background: rgba(0, 0, 0, .35); display: flex; justify-content: center; align-items: flex-start; padding: 10vh 16px 16px; }
.palette[hidden] { display: none; }
.palette-box { width: min(720px, 100%); background: var(--surface); border-radius: 14px; box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; display: flex; flex-direction: column; max-height: 76vh; }
.palette input { font: inherit; font-size: 17px; padding: 16px 18px; border: 0; border-bottom: 1px solid var(--border); background: transparent; color: var(--ink); outline: none; }
.results { overflow-y: auto; padding: 6px; }
.res { display: block; padding: 9px 12px; border-radius: 9px; color: var(--ink); }
.res:hover { text-decoration: none; }
.res.on { background: var(--accent-wash); }
.res .rt { font-weight: 600; font-size: 14px; display: flex; gap: 8px; align-items: center; }
.res .rt .pill { font-weight: 500; }
.res .rp { color: var(--muted); font-size: 12px; }
.res .rs { color: var(--ink-2); font-size: 13px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.res mark, .prose mark { background: var(--mark); color: inherit; border-radius: 2px; }
.palette-foot { border-top: 1px solid var(--border); padding: 8px 14px; font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.empty { padding: 30px; text-align: center; color: var(--muted); }

.note { background: var(--warn-bg); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; font-size: 13.5px; color: var(--ink); margin: 0 0 18px; }
.page-h h1 { font-size: 30px; margin: 0 0 6px; letter-spacing: -.02em; }
.page-h p { color: var(--ink-2); margin: 0 0 22px; max-width: 820px; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.footer { color: var(--muted); font-size: 12.5px; border-top: 1px solid var(--border); margin-top: 60px; padding-top: 18px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .docs { grid-template-columns: 220px minmax(0, 1fr); }
  .doctoc { display: none; }
}
@media (max-width: 980px) {
  .mainnav { display: none; position: absolute; top: 56px; left: 0; right: 0; flex-direction: column; background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px; margin: 0; box-shadow: var(--shadow); }
  .mainnav.open { display: flex; }
  .mainnav a { padding: 10px 12px; }
  .navtoggle { display: block; }
  .searchbtn { min-width: 0; }
  .searchbtn span { display: none; }
  .searchbtn::before { content: "⌕"; font-size: 17px; color: var(--ink-2); }
  .searchbtn kbd { display: none; }
  .hero, .grid2 { grid-template-columns: 1fr; }
  .docs { grid-template-columns: minmax(0, 1fr); padding: 0 16px; }
  .docnav { position: static; max-height: none; padding: 16px 0 0; display: flex; gap: 6px; overflow-x: auto; }
  .docnav .navh { display: none; }
  .docnav a { white-space: nowrap; border: 1px solid var(--border); }
  .docnav a small { display: none; }
  .files { grid-template-columns: 1fr; height: auto; }
  .tree { max-height: 40vh; border-right: 0; border-bottom: 1px solid var(--border); }
  .prose .anchor { display: none; }
}
@media (max-width: 600px) {
  .wrap { padding: 18px 16px 60px; }
  .brand span:last-child { display: none; }
  .hw dl { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .tile .v { font-size: 22px; }
  .vhead { padding: 12px 16px; }
  .code .ln::before { width: 36px; padding-right: 8px; }
}
@media (forced-colors: active) {
  .chart .bar { fill: CanvasText; }
}
@media (max-width: 1260px) and (min-width: 981px) {
  .searchbtn { min-width: 0; gap: 8px; }
  .searchbtn span { display: none; }
  .searchbtn::before { content: "⌕"; font-size: 17px; color: var(--ink-2); }
  .mainnav a { padding: 6px 7px; }
}