/* EvidencePair site. One stylesheet, system fonts, no external resources (spec 30 §3, §4). */
:root {
  --bg: #ffffff;
  --fg: #1a1f26;
  --muted: #5a6470;
  --line: #d8dee6;
  --accent: #1f4e79;
  --accent-fg: #ffffff;
  --surface: #f4f6f9;
  --warn-bg: #fff6d6;
  --warn-fg: #5b4300;
  --ok-bg: #e2f5e9;
  --ok-fg: #14532d;
  --info-bg: #e6f0fa;
  --info-fg: #1f4e79;
  --measure: 42rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161b;
    --fg: #e6eaf0;
    --muted: #a3adb8;
    --line: #2c343d;
    --accent: #8fc1f0;
    --accent-fg: #0b1620;
    --surface: #1a2028;
    --warn-bg: #3d3110;
    --warn-fg: #ffe08a;
    --ok-bg: #123322;
    --ok-fg: #9fe3b9;
    --info-bg: #142a40;
    --info-fg: #b7d8f7;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: var(--bg);
}
a { color: var(--accent); text-underline-offset: 0.15em; }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.92em; }
code { background: var(--surface); padding: 0.05em 0.3em; border-radius: 3px; }
pre { background: var(--surface); padding: 0.8rem 1rem; overflow-x: auto; border-radius: 6px; }
pre code { background: none; padding: 0; }
h1, h2, h3 { line-height: 1.2; margin: 1.6em 0 0.5em; }
h1 { font-size: 2rem; margin-top: 0.6em; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.1rem; }
p, ul, ol, dl, table { margin: 0 0 1em; }
table { border-collapse: collapse; width: 100%; font-size: 0.95em; }
th, td { text-align: left; vertical-align: top; padding: 0.45em 0.6em; border-bottom: 1px solid var(--line); }
th { font-weight: 600; }
.table-wrap { overflow-x: auto; margin-bottom: 1em; }
.table-wrap table { margin: 0; }
.skip { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--accent-fg); padding: 0.5rem 1rem; }
.skip:focus { left: 1rem; top: 1rem; z-index: 10; }
.draft { background: var(--warn-bg); color: var(--warn-fg); padding: 0.5rem 1rem; font-size: 0.9rem; text-align: center; }
.site-header { border-bottom: 1px solid var(--line); }
.site-header nav { max-width: var(--measure); margin: 0 auto; padding: 0.8rem 1rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1.2rem; }
.brand { font-weight: 700; text-decoration: none; color: var(--fg); font-size: 1.1rem; margin-right: auto; }
.site-header ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.2rem 1rem; }
.site-header a[aria-current="page"] { font-weight: 600; }
main { max-width: var(--measure); margin: 0 auto; padding: 0.5rem 1rem 3rem; }
.prose > :first-child { margin-top: 1.2rem; }
.lede { font-size: 1.15rem; color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.78rem; color: var(--muted); margin-bottom: 0.3em; }
.meta { color: var(--muted); font-size: 0.92rem; }
.badge { display: inline-block; padding: 0.1em 0.55em; border-radius: 999px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em; vertical-align: middle; text-transform: none; }
.badge-live { background: var(--ok-bg); color: var(--ok-fg); }
.badge-in-review { background: var(--info-bg); color: var(--info-fg); }
.badge-coming-soon { background: var(--surface); color: var(--muted); border: 1px solid var(--line); }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.3em 1em; background: var(--surface); padding: 1rem; border-radius: 8px; }
.facts dt { font-weight: 600; }
.facts dd { margin: 0; }
.cards { list-style: none; padding: 0; margin: 0 0 1.5em; display: grid; gap: 1rem; }
.card { border: 1px solid var(--line); border-radius: 8px; padding: 1rem 1.1rem; }
.card h3 { margin: 0.2em 0 0.4em; }
.card p:last-child { margin-bottom: 0; }
.pending { background: var(--warn-bg); color: var(--warn-fg); border-left: 4px solid currentColor; padding: 0.6rem 0.9rem; border-radius: 4px; }
.pending-ref { font-size: 0.85em; }
.note { background: var(--info-bg); color: var(--info-fg); padding: 0.6rem 0.9rem; border-radius: 4px; }
.crumbs { font-size: 0.9rem; color: var(--muted); margin-top: 1rem; }
.doc-nav { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1rem; }
.doc-nav h2 { font-size: 1rem; margin-top: 0; }
.doc-nav ul { list-style: none; padding: 0; }
.doc-nav li { margin: 0.25em 0; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.88rem; }
.site-footer nav, .site-footer p { max-width: var(--measure); margin: 0 auto; padding: 0 1rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 0.3rem 1.2rem; padding-top: 1rem; }
.site-footer p { padding-bottom: 1.5rem; padding-top: 0.6rem; }
@media (max-width: 420px) {
  body { font-size: 16px; }
  h1 { font-size: 1.6rem; }
  .facts { grid-template-columns: 1fr; gap: 0 0; }
  .facts dd { margin-bottom: 0.6em; }
}
@media print {
  .site-header, .site-footer nav, .draft, .skip, .doc-nav { display: none; }
  body { font-size: 11pt; }
  a { color: inherit; }
}