:root {
  --bg: #fafaf7;
  --paper: #fff;
  --ink: #242d28;
  --muted: #59655e;
  --green: #155b48;
  --line: #d9dfd9;
  --pale: #edf2ed;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 17px; line-height: 1.65; }
a { color: var(--green); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--green); outline-offset: 4px; }
.skip { position: absolute; top: -100px; left: 16px; padding: 10px; background: var(--paper); z-index: 5; }
.skip:focus { top: 10px; }
.top { border-bottom: 1px solid var(--line); background: var(--paper); }
.top-inner { max-width: 1120px; margin: auto; padding: 18px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.brand { color: var(--ink); font-size: 18px; font-weight: 650; text-decoration: none; }
.brand-mark { display: none; }
.edition { font-size: 12px; color: var(--muted); }
.layout { max-width: 1120px; margin: auto; padding: 0 24px; display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; }
.sidebar { position: sticky; top: 0; align-self: start; max-height: 100vh; overflow-y: auto; padding: 32px 0; }
.nav-label { font-size: 10px; letter-spacing: .7px; color: var(--muted); margin: 0 0 14px; }
nav ol { list-style: none; margin: 0; padding: 0; }
nav ol a { display: block; padding: 6px 10px; font-size: 14px; line-height: 1.5; color: var(--ink); text-decoration: none; }
nav ol a:hover { background: var(--pale); }
nav ol a[aria-current] { background: var(--pale); color: var(--green); font-weight: 650; border-left: 2px solid var(--green); }
.sidebar-note { margin: 22px 10px 0; padding-top: 16px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.sidebar-note span { display: block; margin-top: 8px; }
.mobile-menu { display: none; }
main { max-width: 730px; min-width: 0; padding: 32px 0 52px; }
h1 { margin: 0 0 20px; font-size: clamp(27px, 3.3vw, 35px); line-height: 1.25; letter-spacing: -.6px; font-weight: 650; }
h2 { margin: 28px 0 10px; font-size: 19px; line-height: 1.4; font-weight: 650; }
p { margin: 0 0 14px; }
.intro { font-size: 18px; margin-bottom: 25px; }
.citation { font-size: 11px; line-height: 0; margin-left: 3px; white-space: nowrap; }
.citation a { text-decoration: none; }
.topics { padding: 0; margin: 0; list-style-position: inside; }
.topics li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 17px; }
.topics li::marker { color: var(--muted); font-size: 13px; }
.topics a { margin-left: 7px; text-decoration: none; }
.topics a:hover { text-decoration: underline; }
.table-wrap { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; font-size: 14px; line-height: 1.5; }
caption { text-align: left; font-weight: 600; padding: 0 0 12px; }
th, td { text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); padding: 10px; }
thead { background: var(--pale); }
th { font-weight: 600; }
.chart { margin: 16px 0 22px; }
.chart figcaption { font-size: 14px; font-weight: 600; margin-bottom: 15px; }
.bar-row { margin-bottom: 14px; }
.bar-label { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; line-height: 1.5; margin-bottom: 5px; }
.bar-label strong { font-weight: 600; white-space: nowrap; font-variant-numeric: tabular-nums; }
.track { height: 9px; background: var(--pale); }
.track span { display: block; height: 100%; background: var(--green); border-radius: 0 4px 4px 0; }
/* Nationality charts: series colours are set inline from build.py (validated palette);
   text stays in ink colours. */
.multiples { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px 18px; }
.panel { margin: 0; }
.panel-title { margin: 0 0 2px; font-size: 13px; font-weight: 600; }
.panel svg { display: block; width: 100%; height: auto; overflow: visible; }
.panel .grid { stroke: #e1e0d9; stroke-width: 1; }
.panel .axis { stroke: #c3c2b7; stroke-width: 1; }
.panel .series { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.panel .dot { stroke: var(--paper); stroke-width: 2; }
.panel .tick { font-size: 10px; fill: var(--muted); font-variant-numeric: tabular-nums; }
.panel .value { font-size: 11px; font-weight: 600; fill: var(--ink); font-variant-numeric: tabular-nums; }
.panel .hit { fill: transparent; }
.panel .hit:hover { fill: rgba(42, 120, 214, 0.15); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 14px; font-size: 13px; color: var(--muted); }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.pair-row { display: grid; grid-template-columns: 11em 1fr; gap: 12px; align-items: center; margin-bottom: 10px; font-size: 14px; }
.pair-label { line-height: 1.3; }
.pair-bars { display: grid; gap: 2px; }
.pbar { display: flex; align-items: center; gap: 8px; }
.pbar span { display: block; height: 10px; min-width: 2px; border-radius: 0 4px 4px 0; }
.pbar strong { font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.pair-row:hover .pair-label { font-weight: 600; }
.chart-data { margin: -8px 0 22px; }
.chart-data .table-wrap { margin-bottom: 0; }
details { border-bottom: 1px solid var(--line); padding: 13px 0; font-size: 14px; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: 12px 0 0; }
details:target { border-left: 2px solid var(--green); padding-left: 12px; }
.page-sources { border-top: 1px solid var(--line); margin-top: 28px; }
.page-sources ol { padding-left: 22px; margin-bottom: 0; }
.page-sources li { margin-bottom: 9px; }
.method-link { font-size: 12px; color: var(--muted); margin-left: 5px; }
.downloads { padding-left: 20px; overflow-wrap: anywhere; }
.pager { border-top: 1px solid var(--line); margin-top: 25px; padding-top: 18px; display: flex; justify-content: space-between; gap: 24px; font-size: 13px; }
.pager a:last-child { text-align: right; }
footer { border-top: 1px solid var(--line); padding: 24px; color: var(--muted); font-size: 12px; }
footer > div { max-width: 1072px; margin: auto; }
footer strong { display: none; }
footer p { margin: 0 0 6px; }
@media (max-width: 740px) {
  .top-inner { padding: 15px 20px; }
  .edition { display: none; }
  .layout { display: block; padding: 0 20px; }
  .sidebar { display: none; }
  .mobile-menu { display: block; padding: 10px 20px; }
  .mobile-menu nav { margin-top: 12px; }
  main { padding-top: 25px; }
  .intro { font-size: 17px; }
  .bar-label { font-size: 13px; }
  .pair-row { grid-template-columns: 1fr; gap: 4px; }
  .multiples { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  th, td { padding: 8px; }
  footer { padding: 20px; }
}
@media print {
  body { background: white; font-size: 11pt; }
  .sidebar, .mobile-menu, .pager, .skip, .edition { display: none; }
  .layout { display: block; padding: 0; }
  main { max-width: none; padding: 15px 0; }
  h1 { font-size: 23pt; }
  h2 { font-size: 14pt; break-after: avoid; }
  .chart, .table-wrap { break-inside: avoid; }
  .track, .track span, .pbar span, .legend i, .panel svg { print-color-adjust: exact; }
  details > :not(summary) { display: block !important; }
  details ol { display: block !important; }
  .page-sources a[href^="https"]::after { content: " (" attr(href) ")"; font-size: 8pt; overflow-wrap: anywhere; }
  footer { padding: 10px 0; }
}