@font-face { font-family: 'Plex Sans'; src: url('../fonts/plex-sans-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Plex Sans'; src: url('../fonts/plex-sans-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Plex Serif'; src: url('../fonts/plex-serif-400.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Plex Serif'; src: url('../fonts/plex-serif-600.woff2') format('woff2'); font-weight: 600; font-display: swap; }

:root {
  --paper: #FBFAF7;
  --ink: #1B1F24;
  --ink-2: #4B535C;
  --ink-3: #737B84;
  --rule: #E3E0D8;
  --grid: #ECE9E2;
  --under: #2F68C0;
  --over: #C2410C;
  --tint: #F3F1EB;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15181C;
    --ink: #ECE9E2;
    --ink-2: #B4BAC1;
    --ink-3: #8A929B;
    --rule: #2B3036;
    --grid: #23282D;
    --under: #4F86DD;
    --over: #E0662A;
    --tint: #1C2025;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.55 'Plex Sans', system-ui, sans-serif;
}
.sheet { max-width: 960px; margin: 0 auto; padding: 40px 24px 64px; }
h1, h2 { font-family: 'Plex Serif', Georgia, serif; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: clamp(30px, 5vw, 44px); line-height: 1.1; margin: 4px 0 10px; }
h2 { font-size: 21px; margin: 0 0 8px; }
.lede { color: var(--ink-2); font-size: 18px; margin: 0; }
.fine { color: var(--ink-3); font-size: 14px; }
.kicker { margin: 0; color: var(--ink-3); font-size: 14px; }

.masthead { position: relative; padding-bottom: 24px; border-bottom: 2px solid var(--ink); }
.print {
  position: absolute; right: 0; top: 0;
  font: inherit; font-size: 14px; color: var(--ink-2);
  background: transparent; border: 1px solid var(--rule); border-radius: 6px; padding: 6px 12px; cursor: pointer;
}
.print:hover { border-color: var(--ink-3); color: var(--ink); }

.summary { display: grid; grid-template-columns: auto 1fr; gap: 40px; align-items: end; padding: 28px 0; border-bottom: 1px solid var(--rule); }
.hero .label { display: block; color: var(--ink-2); font-size: 15px; }
.hero .value { font-size: 72px; font-weight: 600; line-height: 1; letter-spacing: -0.02em; }
.hero small { font-size: 22px; font-weight: 400; margin-left: 6px; color: var(--ink-2); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0; }
.stats div { border-left: 1px solid var(--rule); padding-left: 14px; }
.stats dt { color: var(--ink-2); font-size: 14px; }
.stats dd { margin: 2px 0 0; font-size: 22px; font-weight: 600; }
.stats .alt, .figcap .alt { font-weight: 400; font-size: 0.7em; color: var(--ink-2); }
.pct { font-weight: 400; color: var(--ink-2); }

.figure { padding: 28px 0 8px; break-inside: avoid; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 13px; color: var(--ink-2); margin: 0 0 6px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.key { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.key.under { background: var(--under); }
.key.over { background: var(--over); }
.key.median { width: 14px; height: 2px; border-radius: 1px; background: var(--ink); }

.chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .tick { fill: var(--ink-3); font-size: 12px; font-variant-numeric: tabular-nums; }
.chart .thresh { stroke: var(--over); stroke-width: 1; opacity: 0.7; }
.chart .thresh-label { fill: var(--ink-2); font-size: 12px; }
.chart .median { stroke: var(--ink); stroke-width: 2; stroke-linecap: round; }
.chart .dot { stroke: var(--paper); stroke-width: 2; }
.chart .dot.under { fill: var(--under); }
.chart .dot.over { fill: var(--over); }
.chart .hit { fill: transparent; }
.chart .pt:hover .dot { r: 6; }

.gallery-wrap { padding-top: 32px; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px; margin-top: 12px; }
.gallery figure { margin: 0; break-inside: avoid; }
.gallery img { width: 100%; height: auto; display: block; border-radius: 4px; background: var(--tint); }
.gallery figcaption { font-size: 14px; color: var(--ink-2); margin-top: 6px; line-height: 1.45; }
.gallery figcaption b { color: var(--ink); }
.flag { font-size: 12px; color: var(--ink-3); border: 1px solid var(--rule); border-radius: 4px; padding: 0 4px; }

.method { margin-top: 40px; padding: 24px 28px; background: var(--tint); border-radius: 8px; }
.method p { max-width: 70ch; }

.table-wrap { margin-top: 32px; }
.table-wrap summary { cursor: pointer; color: var(--ink-2); font-weight: 600; }
table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 14px; }
th, td { text-align: left; padding: 7px 10px 7px 0; border-bottom: 1px solid var(--rule); }
th { color: var(--ink-2); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.over td.num:nth-child(3) { color: var(--over); font-weight: 600; }

.colophon { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--rule); color: var(--ink-3); font-size: 13px; }

.lightbox { border: 0; padding: 0; background: transparent; max-width: 96vw; max-height: 96vh; }
.lightbox::backdrop { background: rgb(0 0 0 / 0.85); }
.lightbox img { display: block; max-width: 96vw; max-height: 88vh; object-fit: contain; }
.lightbox p { color: #eee; margin: 8px 0 0; font-size: 14px; }
.lightbox form { position: absolute; top: 8px; right: 8px; }
.lightbox button { font: 600 22px/1 system-ui; width: 40px; height: 40px; border-radius: 50%; border: 0; background: rgb(0 0 0 / 0.6); color: #fff; cursor: pointer; }

@media (max-width: 720px) {
  .sheet { padding: 24px 16px 48px; }
  .print { position: static; margin-top: 16px; }
  .summary { grid-template-columns: 1fr; gap: 20px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .hero .value { font-size: 56px; }
  .pair { grid-template-columns: 1fr; gap: 0; }
  .method { padding: 18px; }
  table { font-size: 13px; }
  .table-wrap { overflow-x: auto; }
}

@media print {
  :root {
    --paper: #fff; --ink: #111; --ink-2: #444; --ink-3: #666; --rule: #ccc; --grid: #e6e6e6;
    --under: #2F68C0; --over: #C2410C; --tint: #f4f4f4;
  }
  body { font-size: 11pt; }
  .sheet { max-width: none; padding: 0; }
  .print, .lightbox { display: none !important; }
  .figure, .gallery figure, .method { break-inside: avoid; }
  .gallery { grid-template-columns: repeat(3, 1fr); }
  .table-wrap:not([open]) > *:not(summary) { display: revert; }
  .table-wrap summary { list-style: none; }
  .gallery-wrap { break-before: page; }
  @page { margin: 14mm; }
}

.sample-banner { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 10px 24px; background: var(--ink); color: var(--paper); font-size: 14px; }
.sample-banner a { color: inherit; font-weight: 600; }