/* RouteBench page. Self-contained: brand tokens from docs/brand.md (paper, ink, juniper). */
:root {
  --ink: #0e1116;
  --ink-2: #2a2f37;
  --paper: #fbfbf9;
  --card: #ffffff;
  --sunk: #f4f4f1;
  --line: #e7e8ec;
  --line-2: #d6d8de;
  --muted: #5f646d;
  --juniper: #3346d3;
  --juniper-soft: #eef0ff;
  --tonic: #0f8a5f;
  --warn: #c2410c;
  --dot: #8a8f99;
  --grid: #eceef1;
  --radius: 14px;
  --sans: "Inter Tight", Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --max: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eceef2;
    --ink-2: #c9ccd3;
    --paper: #0d0f13;
    --card: #14171d;
    --sunk: #101318;
    --line: #23272f;
    --line-2: #323844;
    --muted: #9aa0aa;
    --juniper: #7b8cff;
    --juniper-soft: #1a1f3d;
    --tonic: #3ccf96;
    --warn: #fb8b4c;
    --dot: #7d838e;
    --grid: #1d2128;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #eceef2; --ink-2: #c9ccd3; --paper: #0d0f13; --card: #14171d; --sunk: #101318; --line: #23272f; --line-2: #323844;
  --muted: #9aa0aa; --juniper: #7b8cff; --juniper-soft: #1a1f3d; --tonic: #3ccf96; --warn: #fb8b4c; --dot: #7d838e; --grid: #1d2128;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 16.5px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--juniper); }
code, pre { font-family: var(--mono); }
:focus-visible { outline: 2px solid var(--juniper); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 16px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 520px) { .wrap { padding: 0 16px; } }
.muted { color: var(--muted); }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 12px; height: 60px; }
.mark { font: 600 22px/1 var(--mono); letter-spacing: -0.04em; text-decoration: none; display: inline-flex; align-items: center; color: var(--ink); }
.mark img { width: 28px; height: 28px; margin-right: 9px; border-radius: 7px; }
.mark i { display: inline-block; width: .3em; height: .3em; border-radius: 50%; background: var(--juniper); margin-left: .06em; align-self: flex-end; margin-bottom: .14em; }
.mark:hover { color: var(--ink); }
.crumb { font: 500 15px var(--mono); color: var(--muted); }
.nav { margin-left: auto; display: flex; gap: 22px; font-size: 14.5px; color: var(--muted); }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--ink); }
@media (max-width: 760px) { .nav { display: none; } }

/* hero */
.hero { padding-top: 64px; padding-bottom: 8px; }
.eyebrow { font: 500 13px var(--mono); color: var(--muted); margin: 0 0 14px; letter-spacing: .01em; }
h1 { font: 650 clamp(34px, 5.6vw, 58px)/1.04 var(--sans); letter-spacing: -0.04em; margin: 0 0 18px; max-width: 16ch; text-wrap: balance; }
.lede { font-size: clamp(17px, 2.1vw, 20px); color: var(--ink-2); max-width: 62ch; margin: 0 0 32px; }
.lede b { color: var(--ink); font-weight: 600; }
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 760px) { .tiles { grid-template-columns: 1fr; } }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.tile .k { font-size: 13.5px; color: var(--muted); margin: 0 0 6px; }
.tile .v { font: 600 34px/1.1 var(--sans); letter-spacing: -0.03em; margin: 0; font-variant-numeric: tabular-nums; }
.tile .s { font-size: 13.5px; color: var(--muted); margin: 6px 0 0; }
.tile.gin { border-color: color-mix(in srgb, var(--juniper) 45%, var(--line)); }

/* blocks */
.block { padding-top: 56px; }
h2 { font: 650 clamp(24px, 3vw, 30px)/1.15 var(--sans); letter-spacing: -0.025em; margin: 0 0 8px; }
h3 { font-size: 17px; letter-spacing: -0.01em; margin: 22px 0 6px; }
.sub { color: var(--muted); margin: 0 0 18px; max-width: 72ch; font-size: 15px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card.flush { padding: 0; }
.card-head { display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; }
.card-head .sub { margin-bottom: 10px; }
.seg { display: inline-flex; border: 1px solid var(--line-2); border-radius: 10px; padding: 2px; background: var(--sunk); }
.seg button { font: 500 13.5px var(--sans); border: 0; background: transparent; color: var(--muted); padding: 6px 12px; border-radius: 8px; cursor: pointer; }
.seg button[aria-selected="true"] { background: var(--card); color: var(--ink); box-shadow: 0 0 0 1px var(--line); }

.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--muted); margin: 4px 0 8px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.lg-model { fill: var(--dot); }
.lg-router { fill: var(--card); stroke: var(--dot); stroke-width: 2; }
.lg-gin { fill: var(--juniper); }
.lg-gin-prev { fill: none; stroke: var(--juniper); stroke-width: 1.6; stroke-dasharray: 3 2; }
.lg-front { stroke: var(--line-2); stroke-width: 2; }

/* chart */
.view { position: relative; }
.chart svg { width: 100%; height: auto; overflow: visible; }
@media (max-width: 640px) { .chart .pt text { font-size: 11px; } .card { padding: 16px; } .card.flush { padding: 0; } }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .axis text { fill: var(--muted); font: 400 12px var(--mono); }
.chart .axis-title { fill: var(--muted); font: 500 12.5px var(--sans); }
.chart .front { fill: none; stroke: var(--line-2); stroke-width: 2; stroke-linejoin: round; }
.chart .pt { cursor: pointer; }
.chart .pt .m-model { fill: var(--dot); stroke: var(--card); stroke-width: 2; }
.chart .pt .m-router { fill: var(--card); stroke: var(--dot); stroke-width: 2; }
.chart .pt .m-gin { fill: var(--juniper); stroke: var(--card); stroke-width: 2; }
.chart .pt .m-gin-prev { fill: var(--card); stroke: var(--juniper); stroke-width: 2; stroke-dasharray: 3 2; }
.chart .pt.gin-prev text { fill: var(--muted); }
.chart .move { stroke: var(--juniper); stroke-width: 1.5; stroke-dasharray: 4 3; opacity: .7; }
.chart .arrow-head { fill: var(--juniper); opacity: .7; }
table.data tr.prev td { color: var(--muted); }
.chart .pt .hit { fill: transparent; }
.chart .pt text { fill: var(--ink-2); font: 500 12.5px var(--sans); paint-order: stroke; stroke: var(--card); stroke-width: 4px; stroke-linejoin: round; }
.chart .pt.gin text { fill: var(--juniper); font-weight: 650; }
.chart .pt:hover .m-model, .chart .pt:focus .m-model { fill: var(--ink); }
.chart .pt:hover .m-router, .chart .pt:focus .m-router { stroke: var(--ink); }
.chart .pt:focus { outline: none; }
.chart .pt:focus-visible .hit { stroke: var(--juniper); stroke-width: 2; }
.tip { position: absolute; pointer-events: none; background: var(--card); border: 1px solid var(--line-2); border-radius: 10px; padding: 10px 12px; font-size: 13px; line-height: 1.45; box-shadow: 0 6px 24px rgba(0,0,0,.08); min-width: 190px; z-index: 3; }
.tip b { display: block; font-size: 14px; margin-bottom: 4px; }
.tip .row { display: flex; justify-content: space-between; gap: 14px; color: var(--muted); }
.tip .row span:last-child { color: var(--ink); font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 12.5px; }

/* tables */
.scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; font-variant-numeric: tabular-nums; }
table.data th, table.data td { padding: 10px 12px; text-align: right; border-bottom: 1px solid var(--line); white-space: nowrap; }
table.data th:first-child, table.data td:first-child { text-align: left; position: sticky; left: 0; background: var(--card); }
table.data thead th { font-weight: 500; color: var(--muted); font-size: 12.5px; vertical-align: bottom; }
table.data tbody tr:last-child td { border-bottom: 0; }
table.data .gin { color: var(--juniper); }
table.data th.gin { color: var(--juniper); font-weight: 650; }
table.data td.best { font-weight: 700; }
table.data tr.foot td { color: var(--muted); border-top: 1px solid var(--line-2); }
table.data .kind { display: block; font-size: 11.5px; color: var(--muted); font-weight: 400; }
table.cats td .bar { display: block; height: 3px; border-radius: 2px; background: var(--line); margin-top: 5px; overflow: hidden; }
table.cats td .bar i { display: block; height: 100%; background: var(--dot); border-radius: 2px; }
table.cats td.gin .bar i { background: var(--juniper); }

.callout { margin-top: 18px; background: var(--sunk); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 20px; font-size: 15px; color: var(--ink-2); }
.callout h3 { margin-top: 0; }
.callout ul { margin: 6px 0 0; padding-left: 20px; }
.callout li { margin: 4px 0; }

.mixes { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.mix { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; font-size: 13.5px; }
.mix h3 { margin: 0 0 2px; font-size: 15px; }
.mix.gin h3 { color: var(--juniper); }
.mix p { margin: 0 0 10px; color: var(--muted); font-size: 13px; }
.mix .m { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: center; margin: 6px 0; }
.mix .m span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 12px; }
.mix .m span:last-child { font-variant-numeric: tabular-nums; color: var(--muted); }
.mix .m .bar { grid-column: 1 / -1; height: 3px; background: var(--line); border-radius: 2px; overflow: hidden; }
.mix .m .bar i { display: block; height: 100%; background: var(--dot); }
.mix.gin .m .bar i { background: var(--juniper); }

.prose p, .prose li { color: var(--ink-2); max-width: 70ch; }
.prose code, .callout code { font-size: .86em; background: var(--sunk); border: 1px solid var(--line); padding: 1px 6px; border-radius: 6px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 48px; }
@media (max-width: 860px) { .cols { grid-template-columns: 1fr; } }
pre { background: var(--sunk); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; overflow-x: auto; font-size: 13px; line-height: 1.6; }
pre code { background: none; border: 0; padding: 0; font-size: inherit; }
ul.nb { padding-left: 20px; }

.foot { border-top: 1px solid var(--line); margin-top: 72px; padding: 32px 0 48px; font-size: 14px; color: var(--muted); }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; }
.foot nav { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-left: auto; }
.foot a { text-decoration: none; }
.foot a:hover { color: var(--ink); }
.foot .mark { font-size: 18px; }
.foot .mark img { width: 24px; height: 24px; }
@media (max-width: 640px) { .foot nav { margin-left: 0; } }
.chart .pt .m-decision { fill: var(--card); stroke: var(--muted); stroke-width: 2; }
.chart .pt:hover .m-decision, .chart .pt:focus .m-decision { stroke: var(--ink); }
.lg-decision { fill: none; stroke: var(--muted); stroke-width: 1.6; }
details.earlier { margin-top: 28px; border-top: 1px solid var(--grid); padding-top: 16px; }
details.earlier > summary { cursor: pointer; font-weight: 600; color: var(--muted); }
details.earlier[open] > summary { margin-bottom: 12px; }