:root {
  --paper: #fbfaf7;
  --ink: #1b1a17;
  --muted: #66625a;
  --rule: #dedad1;
  --soft: #f1eee7;
  --accent: #1d4e7a;
  --stock: #8a857b;
  --setup: #1d4e7a;
  --serif: "Iowan Old Style", "Charter", "Source Serif Pro", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #151513;
    --ink: #e7e4dc;
    --muted: #9c978c;
    --rule: #34322d;
    --soft: #1f1e1b;
    --accent: #8db6dd;
    --stock: #8e897f;
    --setup: #8db6dd;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 18px/1.6 var(--serif);
  font-feature-settings: "kern", "liga", "onum";
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.site { max-width: 70rem; margin: 0 auto; padding: 0 1.25rem; }
header.top {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: 1.4rem 0 1rem; border-bottom: 1px solid var(--rule);
  font-family: var(--sans); font-size: 0.85rem;
}
header.top .mark { font-family: var(--mono); font-size: 1rem; color: var(--ink); text-decoration: none; letter-spacing: 0.02em; }
header.top nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
header.top nav a { color: var(--muted); text-decoration: none; }
header.top nav a[aria-current="page"], header.top nav a:hover { color: var(--ink); }

main { padding: 2.5rem 0 4rem; }
.prose { max-width: 40rem; }
.wide { max-width: 70rem; }

h1, h2, h3 { font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: 2.1rem; margin: 0 0 1rem; max-width: 40rem; }
h2 { font-size: 1.35rem; margin: 3rem 0 0.8rem; padding-top: 1.2rem; border-top: 1px solid var(--rule); }
h3 { font-size: 1.05rem; margin: 2rem 0 0.5rem; font-family: var(--sans); }
p, ul, ol { margin: 0 0 1rem; }
li { margin-bottom: 0.35rem; }
.lede { font-size: 1.2rem; color: var(--ink); max-width: 40rem; }
.muted, .note { color: var(--muted); }
.note { font-size: 0.9rem; }
.kicker { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.6rem; }
code { font-family: var(--mono); font-size: 0.85em; }
strong { font-weight: 600; }

.figures { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 0; margin: 2rem 0 2.5rem; border-top: 1px solid var(--ink); }
.figures div { padding: 1rem 1rem 1rem 0; border-bottom: 1px solid var(--rule); }
.figures b { display: block; font: 600 2rem/1.1 var(--sans); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.figures span { display: block; font: 0.85rem/1.4 var(--sans); color: var(--muted); margin-top: 0.35rem; max-width: 16rem; }

.table-wrap { overflow-x: auto; margin: 1rem 0 1.5rem; }
table { border-collapse: collapse; width: 100%; font: 0.82rem/1.45 var(--sans); font-variant-numeric: tabular-nums; }
th, td { text-align: left; vertical-align: top; padding: 0.45rem 0.9rem 0.45rem 0; border-bottom: 1px solid var(--rule); }
th { font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--ink); white-space: nowrap; }
td.num, th.num { text-align: right; white-space: nowrap; }
td.mono { font-family: var(--mono); font-size: 0.78rem; }
td.nowrap { white-space: nowrap; }
tr.total td { border-top: 1px solid var(--ink); font-weight: 600; }
caption { caption-side: bottom; text-align: left; color: var(--muted); padding-top: 0.6rem; font-size: 0.8rem; }

figure { margin: 2rem 0; }
figure svg { width: 100%; max-width: 46rem; height: auto; display: block; }
@media (max-width: 40rem) { figure { overflow-x: auto; } figure svg { min-width: 560px; } }
figcaption { font: 0.82rem/1.5 var(--sans); color: var(--muted); margin-top: 0.6rem; max-width: 40rem; }
svg text { font-family: var(--sans); fill: var(--ink); }
svg .muted { fill: var(--muted); }
svg .rule { stroke: var(--rule); }
svg .axis { stroke: var(--ink); }
svg .stock { fill: var(--stock); stroke: var(--stock); }
svg .setup { fill: var(--setup); stroke: var(--setup); }

ol.timeline { list-style: none; padding: 0; margin: 1.5rem 0; }
ol.timeline > li { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding: 1rem 0; border-top: 1px solid var(--rule); margin: 0; }
ol.timeline time { font: 0.82rem/1.6 var(--sans); color: var(--muted); font-variant-numeric: tabular-nums; }
ol.timeline h3 { margin: 0 0 0.35rem; }
ol.timeline p { margin: 0 0 0.5rem; }
@media (max-width: 40rem) { ol.timeline > li { grid-template-columns: 1fr; gap: 0.2rem; } }

.pill { font: 0.72rem/1 var(--sans); padding: 0.18rem 0.4rem; border: 1px solid var(--rule); border-radius: 2px; white-space: nowrap; color: var(--muted); }
.pill.measured { border-color: var(--accent); color: var(--accent); }

.toc { columns: 2 16rem; font-family: var(--sans); font-size: 0.9rem; padding-left: 1.1rem; }
dl.defs { display: grid; grid-template-columns: max-content 1fr; gap: 0.4rem 1.2rem; font-size: 0.95rem; }
dl.defs dt { font-family: var(--sans); font-weight: 600; font-size: 0.85rem; }
dl.defs dd { margin: 0; }

footer.bottom { border-top: 1px solid var(--rule); padding: 1.5rem 0 3rem; font: 0.8rem/1.5 var(--sans); color: var(--muted); }

/* repositories */
article.repo { max-width: 46rem; padding: 1.4rem 0 0.6rem; border-top: 1px solid var(--rule); }
article.repo h3 { font-family: var(--serif); font-size: 1.2rem; margin: 0 0 0.25rem; display: flex; align-items: baseline; gap: 0.6rem; flex-wrap: wrap; }
article.repo h3 a { color: var(--ink); text-decoration-color: var(--rule); }
article.repo .meta { font: 0.8rem/1.5 var(--sans); color: var(--muted); margin: 0 0 0.6rem; }
article.repo .verdict { font-size: 0.95rem; }
dl.repo-dl { margin: 0.4rem 0 0.8rem; }
dl.repo-dl dt { font: 600 0.75rem/1.4 var(--sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin-top: 0.7rem; }
dl.repo-dl dd { margin: 0.2rem 0 0; font-size: 0.95rem; }
dl.repo-dl dd ul { padding-left: 1.1rem; margin: 0; }
dl.repo-dl dd p { margin: 0; }
.pill.v-install { border-color: var(--accent); color: var(--accent); }
.pill.v-borrow-from { color: var(--ink); }

/* sources */
section.refgroup { margin-bottom: 1rem; }
section.refgroup h2 .muted, details summary .muted { font-family: var(--sans); font-size: 0.8rem; font-weight: 400; }
details { border-bottom: 1px solid var(--rule); padding: 0.45rem 0; }
details summary { cursor: pointer; font: 0.92rem/1.5 var(--sans); }
details[open] summary { margin-bottom: 0.4rem; }
ul.refs { font-size: 0.9rem; padding-left: 1.1rem; margin: 0 0 0.5rem; }
ul.refs li { margin-bottom: 0.2rem; }
ul.refs a { word-break: break-word; }