:root {
  --bg: #fbfaf7; --text: #1d1f24; --muted: #5d6270; --line: #dcd8cf;
  --accent: #1f3a6d; --accent-2: #a3282b; --panel: #f1eee7;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14161b; --text: #e8e6e1; --muted: #a3a7b1; --line: #33363e;
          --accent: #8fb0ef; --accent-2: #f08a8c; --panel: #1d2027; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 18px/1.65 Georgia, "Times New Roman", serif; }
a { color: var(--accent); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; background: var(--panel); padding: 6px 10px; }
header.site { border-top: 6px solid var(--accent); border-bottom: 1px solid var(--line);
  font-family: system-ui, sans-serif; font-size: 15px; }
.bar, header.site nav ul, main, footer.site { max-width: 820px; margin: 0 auto; padding: 0 16px; }
.bar { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; }
.brand { font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.lang { border: 1px solid var(--line); border-radius: 4px; padding: 3px 10px; text-decoration: none; }
header.site nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 16px; padding-top: 10px; padding-bottom: 12px; }
header.site nav a { text-decoration: none; color: var(--muted); }
header.site nav a[aria-current] { color: var(--accent-2); font-weight: 600; }
main { padding-top: 24px; padding-bottom: 48px; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0.2em 0 0.5em; }
h2 { font-size: 1.4rem; margin-top: 2em; border-bottom: 1px solid var(--line); padding-bottom: 4px; }
h3 { font-size: 1.12rem; margin-top: 1.6em; }
.updated { color: var(--muted); font: 14px system-ui, sans-serif; margin: 0; }
.toc { background: var(--panel); border-left: 4px solid var(--accent); padding: 8px 18px; margin: 16px 0 24px;
  font: 15px/1.5 system-ui, sans-serif; }
.toc h2 { font-size: 15px; border: 0; margin: 6px 0; }
.toc ul { margin: 0; padding-left: 18px; }
blockquote { margin: 1.2em 0; padding: 10px 18px; background: var(--panel); border-left: 4px solid var(--accent-2); }
table { border-collapse: collapse; width: 100%; font: 15px/1.4 system-ui, sans-serif; margin: 1em 0;
  display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 6px 9px; text-align: left; vertical-align: top; }
th { background: var(--panel); }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font: 14px system-ui, sans-serif; padding-top: 12px; padding-bottom: 32px; }
@media (max-width: 600px) { body { font-size: 17px; } h1 { font-size: 1.6rem; } }
nav.sub { background: var(--panel); border-radius: 4px; padding: 6px 14px; margin-bottom: 16px; font: 14px/1.5 system-ui, sans-serif; }
nav.sub ul { list-style: none; display: flex; flex-wrap: wrap; gap: 2px 14px; margin: 0; padding: 0; }
nav.sub a { text-decoration: none; color: var(--muted); }
nav.sub a[aria-current] { color: var(--accent-2); font-weight: 600; }
/* People-facing summary pages */
body.brief article > p:first-of-type + h1, body.brief h1 { font-size: 2.3rem; }
body.brief h1 + p { font-size: 1.15rem; }
body.brief h2 { border: 0; margin-top: 1.6em; }
.cards, .stats { display: grid; gap: 12px; margin: 20px 0; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.card { display: block; text-decoration: none; color: var(--text); background: var(--panel);
  border-top: 4px solid var(--accent); border-radius: 6px; padding: 14px 16px; font: 15px/1.45 system-ui, sans-serif; }
.card:hover { border-top-color: var(--accent-2); }
.card b { display: block; font-size: 18px; margin-bottom: 6px; color: var(--accent); }
.card span { color: var(--muted); }
.stat { background: var(--panel); border-radius: 6px; padding: 12px 14px; font: 13px/1.4 system-ui, sans-serif; color: var(--muted); }
.stat b { display: block; font: 700 26px/1.1 Georgia, serif; color: var(--accent-2); margin-bottom: 6px; }
@media (max-width: 600px) { body.brief h1 { font-size: 1.8rem; } .cards, .stats { grid-template-columns: 1fr 1fr; } }
@media (max-width: 380px) { .cards { grid-template-columns: 1fr; } }