/* Light pastel default; dark theme via [data-theme=dark]. */
:root,
:root[data-theme="light"] {
  --bg: #fdfcf9;
  --bg-soft: #f4f1ea;
  --fg: #33322e;
  --fg-soft: #6b675e;
  --accent: #7c9885;      /* sage */
  --accent-soft: #dce8df;
  --link: #4a7a8c;
  --border: #e4e0d6;
  --code-bg: #f4f1ea;
}

:root[data-theme="dark"] {
  --bg: #1e2022;
  --bg-soft: #26292c;
  --fg: #d8d5cd;
  --fg-soft: #9a968c;
  --accent: #8fb39a;
  --accent-soft: #2e3a32;
  --link: #7fb3c8;
  --border: #3a3d40;
  --code-bg: #26292c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: var(--bg);
  color: var(--fg);
}

a { color: var(--link); }

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.site-nav {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0.6rem 1rem;
  display: flex;
  gap: 1.2rem;
  align-items: center;
}

.site-nav a { text-decoration: none; color: var(--fg); }
.site-nav a:hover { color: var(--link); }
.site-nav .brand { font-weight: 700; font-size: 1.15rem; color: var(--accent); }

.site-nav a.external::after {
  content: "\2197";      /* ↗ external link */
  font-size: 0.75em;
  vertical-align: super;
  margin-left: 0.15em;
  color: var(--fg-soft);
}

#theme-toggle {
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  color: var(--fg);
  cursor: pointer;
  font-size: 1rem;
  padding: 0.15rem 0.5rem;
}

.content, .docs-layout {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* Opt-in wide page. 72rem is a reading measure — right for prose, wrong for a
   six-column table whose Summary column is the whole point. Used by the ticket
   board; prose pages stay narrow deliberately. */
.content.content-wide { max-width: 110rem; }
.site-nav.site-nav-wide { max-width: 110rem; }

.docs-layout {
  display: grid;
  grid-template-columns: 15rem 1fr;
  gap: 2rem;
}

@media (max-width: 48rem) {
  .docs-layout { grid-template-columns: 1fr; }
}

.docs-nav ul { list-style: none; padding-left: 0; margin: 0; }
.docs-nav ul ul { padding-left: 1rem; font-size: 0.92em; }
.docs-nav li { margin: 0.25rem 0; }
.docs-nav a { text-decoration: none; color: var(--fg-soft); display: block; padding: 0.1rem 0.4rem; margin: 0 -0.4rem; border-radius: 0.3rem; }
.docs-nav a:hover { color: var(--link); }
.docs-nav a.active { font-weight: 700; color: var(--fg); background: var(--bg-soft); }

.docs-page { min-width: 0; }
.docs-page img { max-width: 100%; }
/* in-page note references: [*1](#anchor) render as small superscript, no underline */
.docs-page a[href^="#"] {
  vertical-align: super;
  font-size: 0.72em;
  text-decoration: none;
  padding: 0 0.08em;
}
.docs-page a[href^="#"]:hover { color: var(--link); }
.docs-note {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  border-radius: 0.4rem;
  padding: 0.7rem 1rem;
  margin: 0 0 1.5rem;
  font-size: 0.92em;
  color: var(--fg-soft);
}
.docs-footer {
  margin-top: 2.5rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  font-size: 0.8em;
  color: var(--fg-soft);
}

/* blog */
.blog-list { list-style: none; padding-left: 0; }
.blog-list > li { margin: 0 0 1.6rem; }
.blog-title { font-size: 1.15rem; font-weight: 600; text-decoration: none; }
.blog-date { display: inline-block; margin-left: 0.5rem; font-size: 0.85em; }
.blog-summary { margin: 0.3rem 0 0; }
.blog-post { max-width: 44rem; }
.blog-post blockquote, .blog-post hr { border-color: var(--border); }

/* home: sitemap | welcome | status */
.home-layout {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  display: grid;
  grid-template-columns: 13rem 1fr 15rem;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 60rem) {
  .home-layout { grid-template-columns: 1fr; }
  .home-main { order: -1; }   /* welcome first on narrow screens */
}
.home-map, .home-status { min-width: 0; font-size: 0.92em; }
.home-main { min-width: 0; }
.home-h {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-soft);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.3rem;
  margin: 0 0 0.6rem;
}
.home-status .home-h:not(:first-child) { margin-top: 1.6rem; }
.home-links, .home-feed { list-style: none; padding-left: 0; margin: 0; }
.home-links ul { list-style: none; padding-left: 0.8rem; margin: 0.15rem 0 0.6rem; font-size: 0.95em; }
.home-links > li { margin: 0.1rem 0 0.5rem; }
.home-links > li > a { font-weight: 600; }
.home-links a, .home-feed a { text-decoration: none; color: var(--fg-soft); }
.home-links > li > a { color: var(--fg); }
.home-links a:hover, .home-feed a:hover { color: var(--link); }
.home-feed li { margin: 0.4rem 0; line-height: 1.35; }
.home-feed a { color: var(--fg); }
.home-date { display: block; font-size: 0.82em; }

.hero { text-align: center; padding: 3rem 0 1.5rem; }
.hero h1 { font-size: 3rem; margin: 0; color: var(--accent); }
.tagline { color: var(--fg-soft); font-size: 1.2rem; }

.button {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  text-decoration: none;
  color: var(--fg);
  background: var(--bg-soft);
}

.button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

pre, code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: var(--code-bg);
  border-radius: 0.35rem;
}

code { padding: 0.1em 0.35em; }
pre { padding: 0.8rem 1rem; overflow-x: auto; border: 1px solid var(--border); }
pre code { padding: 0; background: none; }

table { border-collapse: collapse; }
th, td { border: 1px solid var(--border); padding: 0.35rem 0.7rem; }
th { background: var(--bg-soft); }

blockquote {
  margin: 1rem 0;
  padding: 0.2rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 0 0.35rem 0.35rem 0;
}

.fg-soft { color: var(--fg-soft); }

/* attribution under a pull-quote — sits with the quote, not the next paragraph */
.pull-cite {
  margin: -0.6rem 0 1.2rem 1rem;
  font-size: 0.88em;
  color: var(--fg-soft);
  font-style: italic;
}

/* status section: tabs, dashboard tiles */
.tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border);
  margin: 0.5rem 0 1.25rem;
  flex-wrap: wrap;
}

.tabs a {
  padding: 0.35rem 0.9rem;
  text-decoration: none;
  color: var(--fg-soft);
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 0.4rem 0.4rem 0 0;
}

.tabs a:hover { color: var(--link); }

.tabs a.active {
  color: var(--fg);
  background: var(--bg-soft);
  border-color: var(--border);
  margin-bottom: -1px;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 0.8rem;
  margin: 1rem 0 1.5rem;
}

/* a tile that reports rather than links anywhere */
.tile-plain { cursor: default; }
.tile-plain:hover { border-color: var(--border); }

/* board: jump bar + folding state sections */
.board-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.5rem;
  margin: 0.75rem 0 1.25rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  font-size: 0.9em;
}

.board-jump a {
  text-decoration: none;
  padding: 0.1rem 0.4rem;
  border-radius: 0.3rem;
  white-space: nowrap;
}

.board-jump a:hover { background: var(--accent-soft, var(--bg)); }

.board-section { border-top: 1px solid var(--border); }

/* Claim the width the wide page hands over — without this the table sizes to
   content and the extra room goes to the margin instead of the Summary column. */
.board-section table { width: 100%; }
.board-section td:first-child { white-space: nowrap; }

.board-section > summary {
  cursor: pointer;
  padding: 0.4rem 0;
  list-style-position: outside;
}

/* the h2 keeps the document outline; it just has to sit inline in the summary */
.board-section > summary h2 {
  display: inline;
  border: none;
  font-size: 1.15em;
}

.board-section > summary:hover h2 { color: var(--link); }

/* a folded section jumped to from the jump bar or a bookmark */
.board-section:target > summary h2 { color: var(--link); }

.tile {
  display: block;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg-soft);
  text-decoration: none;
  color: var(--fg);
}

.tile:hover { border-color: var(--accent); }
.tile-label { font-size: 0.8em; text-transform: uppercase; letter-spacing: 0.05em; color: var(--fg-soft); }
.tile-value { font-size: 1.7em; font-weight: 700; margin: 0.1em 0; }
.tile-detail { font-size: 0.85em; color: var(--fg-soft); }

.badge {
  display: inline-block;
  font-size: 0.55em;
  font-weight: 700;
  padding: 0.25em 0.7em;
  border-radius: 0.35rem;
  vertical-align: middle;
}

.badge-good { background: var(--accent-soft); color: #2e6b45; }
.badge-bad { background: #f3d9d3; color: #a03d2e; }
:root[data-theme="dark"] .badge-good { color: #a4d9b5; }
:root[data-theme="dark"] .badge-bad { background: #4a2e28; color: #e8a496; }

.table-scroll { overflow-x: auto; }

/* benchmark charts — series colors are validated dataviz slots (light/dark) */
/* Seven series, keyed by the SERIES, not by its position in a sorted list.
   Colour follows the entity: -O2 is the same hue in every panel.

   Two groups never share a chart, and each group was validated all-pairs in
   BOTH modes with the dataviz validator (the earlier four — blue/aqua/yellow/
   green — passed light but FAILED dark at green vs aqua, normal-vision ΔE 11.9;
   two greens on a dark surface):

     pxx workloads   -O0 blue · -O2 yellow · -O3 magenta · fpc green
     uforth          pxx orange · cpython aqua · cpython-O violet

   Light mode leaves a contrast WARN on yellow/magenta/aqua, which the relief
   rule permits because every series carries a visible direct label at its line
   end. Do not re-order these to "tidy" them — the grouping IS the CVD safety. */
:root,
:root[data-theme="light"] {
  --viz-o0: #2a78d6;         /* blue */
  --viz-o2: #eda100;         /* yellow */
  --viz-o3: #e87ba4;         /* magenta */
  --viz-fpc: #008300;        /* green — reference series, also dashed */
  --viz-pxx: #eb6834;        /* orange */
  --viz-cpython: #1baf7a;    /* aqua */
  --viz-cpython_o: #4a3aa7;  /* violet */
}

:root[data-theme="dark"] {
  --viz-o0: #3987e5;
  --viz-o2: #c98500;
  --viz-o3: #d55181;
  --viz-fpc: #008300;
  --viz-pxx: #d95926;
  --viz-cpython: #199e70;
  --viz-cpython_o: #9085e9;
}

.viz-line.viz-lvl-o0, .viz-band.viz-lvl-o0, .viz-dot.viz-lvl-o0 { stroke: var(--viz-o0); fill: var(--viz-o0); }
.viz-line.viz-lvl-o2, .viz-band.viz-lvl-o2, .viz-dot.viz-lvl-o2 { stroke: var(--viz-o2); fill: var(--viz-o2); }
.viz-line.viz-lvl-o3, .viz-band.viz-lvl-o3, .viz-dot.viz-lvl-o3 { stroke: var(--viz-o3); fill: var(--viz-o3); }
.viz-line.viz-lvl-fpc, .viz-band.viz-lvl-fpc, .viz-dot.viz-lvl-fpc { stroke: var(--viz-fpc); fill: var(--viz-fpc); }
.viz-line.viz-lvl-pxx, .viz-band.viz-lvl-pxx, .viz-dot.viz-lvl-pxx { stroke: var(--viz-pxx); fill: var(--viz-pxx); }
.viz-line.viz-lvl-cpython, .viz-band.viz-lvl-cpython, .viz-dot.viz-lvl-cpython { stroke: var(--viz-cpython); fill: var(--viz-cpython); }
.viz-line.viz-lvl-cpython_o, .viz-band.viz-lvl-cpython_o, .viz-dot.viz-lvl-cpython_o { stroke: var(--viz-cpython_o); fill: var(--viz-cpython_o); }

text.viz-label.viz-lvl-o0 { fill: var(--viz-o0); }
text.viz-label.viz-lvl-o2 { fill: var(--viz-o2); }
text.viz-label.viz-lvl-o3 { fill: var(--viz-o3); }
text.viz-label.viz-lvl-fpc { fill: var(--viz-fpc); }
text.viz-label.viz-lvl-pxx { fill: var(--viz-pxx); }
text.viz-label.viz-lvl-cpython { fill: var(--viz-cpython); }
text.viz-label.viz-lvl-cpython_o { fill: var(--viz-cpython_o); }

.viz-chip.viz-lvl-o0 { background: var(--viz-o0); }
.viz-chip.viz-lvl-o2 { background: var(--viz-o2); }
.viz-chip.viz-lvl-o3 { background: var(--viz-o3); }
.viz-chip.viz-lvl-fpc { background: var(--viz-fpc); }
.viz-chip.viz-lvl-pxx { background: var(--viz-pxx); }
.viz-chip.viz-lvl-cpython { background: var(--viz-cpython); }
.viz-chip.viz-lvl-cpython_o { background: var(--viz-cpython_o); }

.viz-grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
  gap: 1.2rem;
  margin: 1rem 0;
}

.viz-fig { margin: 0; }
.viz-fig figcaption { font-weight: 600; margin-bottom: 0.2rem; }
.viz { width: 100%; height: auto; }

.viz-grid { stroke: var(--border); stroke-width: 1; }
.viz-tick { fill: var(--fg-soft); font-size: 10px; }
.viz-label { font-size: 11px; font-weight: 600; }

.viz-line { fill: none; stroke-width: 2; }
.viz-band { stroke: none; opacity: 0.15; }

.viz-line { fill: none; }
.viz-line.viz-ref { stroke-dasharray: 6 4; }  /* fpc baseline: dashed, not color-alone */

/* Runs measured on a machine that is no longer the benchmark host. Same hue —
   it is the same series — but recessive, so the current host reads as the
   subject and the older one as context. Thinner as well as paler, so the
   distinction survives a greyscale print or a colour-blind reader. */
.viz-line.viz-past { opacity: 0.45; stroke-width: 1.4; }
.viz-band.viz-past { opacity: 0.07; }
.viz-dot { stroke: none; }
.viz-dot.viz-past { opacity: 0.45; }

.viz-legend { display: flex; gap: 1.2rem; font-size: 0.9em; color: var(--fg-soft); }
.viz-chip {
  display: inline-block;
  width: 0.9em; height: 0.9em;
  border-radius: 0.2em;
  margin-right: 0.35em;
  vertical-align: -0.1em;
}

.num-table td, .num-table th { white-space: nowrap; }
.num-table td:not(:first-child), .num-table th:not(:first-child) { text-align: right; }

.delta-good { color: #2e6b45; font-size: 0.85em; }
.delta-bad { color: #a03d2e; font-size: 0.85em; }
:root[data-theme="dark"] .delta-good { color: #a4d9b5; }
:root[data-theme="dark"] .delta-bad { color: #e8a496; }

/* conformance / compliance status colors */
.cstat.pass { color: #2e6b45; }
.cstat.fail { color: #a03d2e; font-weight: 700; }
.cstat.skip { color: #9a7b1f; }
.cstat.auto,
.cstat.partial { color: #6b5ea0; }
.cstat.exp { color: var(--fg-soft); }
:root[data-theme="dark"] .cstat.pass { color: #a4d9b5; }
:root[data-theme="dark"] .cstat.fail { color: #e8a496; }
:root[data-theme="dark"] .cstat.skip { color: #dcc588; }
:root[data-theme="dark"] .cstat.auto,
:root[data-theme="dark"] .cstat.partial { color: #c3b8e8; }

.compat-table td:not(:first-child),
.compat-table th:not(:first-child) { text-align: left; }
.compat-table td { white-space: normal; vertical-align: top; padding-right: 1.2rem; }

.conf-filter {
  width: 100%;
  max-width: 22rem;
  padding: 0.4rem 0.6rem;
  margin: 0.4rem 0 0.8rem;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  background: var(--bg-soft);
  color: var(--fg);
}
.conf-list { width: 100%; font-size: 0.9em; }
.conf-list td { vertical-align: top; }
.conf-list .tag {
  font-size: 0.85em;
  padding: 0.05em 0.4em;
  border-radius: 0.25em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

.dash-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 48rem) {
  .dash-cols { grid-template-columns: 1fr; }
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--fg-soft);
  text-align: center;
  padding: 1rem;
  font-size: 0.9em;
}

/* pygments: minimal token colors that work on both themes via vars */
.highlight .k, .highlight .kd { color: var(--accent); font-weight: 600; }
.highlight .s, .highlight .s1, .highlight .s2 { color: var(--link); }
.highlight .c, .highlight .c1, .highlight .cm { color: var(--fg-soft); font-style: italic; }
.highlight .mi, .highlight .mf { color: #b0846a; }