/* ComparEdge open dataset - shared stylesheet */
:root {
  --bg: #ffffff;
  --surface: #f7f8fa;
  --surface-2: #eef1f5;
  --border: #e2e6ec;
  --ink: #161b22;
  --text: #2b323c;
  --muted: #5c6470;
  --accent: #0f766e;
  --accent-dark: #0b5750;
  --accent-soft: #e6f2f0;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 900px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.62;
  font-size: 17px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 16px;
  padding-bottom: 16px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 650;
  color: var(--ink);
  font-size: 16px;
}
.brand:hover { text-decoration: none; }
.brand .mark {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
}
.brand .mark svg { display: block; }
nav.main a {
  color: var(--muted);
  font-size: 15px;
  margin-left: 18px;
}
nav.main a:hover { color: var(--ink); text-decoration: none; }
nav.main a.ext::after { content: " \2197"; font-size: 12px; color: var(--muted); }

/* Hero / main */
main { padding: 40px 0 8px; }
h1 {
  font-size: 33px;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
  font-weight: 700;
}
.lede { font-size: 19px; color: var(--muted); margin: 0 0 26px; }
h2 {
  font-size: 23px;
  color: var(--ink);
  margin: 40px 0 12px;
  letter-spacing: -0.005em;
  font-weight: 660;
}
h3 { font-size: 18px; color: var(--ink); margin: 28px 0 8px; }
p { margin: 0 0 16px; }
main a { text-decoration: underline; text-underline-offset: 2px; text-decoration-thickness: 1px; text-decoration-color: rgba(15,118,110,0.35); }
main a:hover { text-decoration-color: var(--accent-dark); }

/* Stat strip */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 4px 0 30px;
}
.stat { background: var(--surface); padding: 16px 18px; }
.stat .num { font-size: 26px; font-weight: 700; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat .lab { font-size: 13px; color: var(--muted); margin-top: 2px; }

/* Tables */
.table-wrap { overflow-x: auto; margin: 18px 0 22px; border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
caption { caption-side: bottom; text-align: left; color: var(--muted); font-size: 13px; padding: 10px 14px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
thead th { background: var(--surface-2); color: var(--ink); font-weight: 620; font-size: 13px; text-transform: uppercase; letter-spacing: 0.03em; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--surface); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); }
td.wrap-cell { white-space: normal; }
.yes { color: var(--accent-dark); font-weight: 600; }
.no { color: var(--muted); }

/* Category distribution bars */
.bars { margin: 18px 0 26px; }
.bar-row { display: grid; grid-template-columns: 160px 1fr 40px; align-items: center; gap: 12px; margin: 7px 0; font-size: 14px; }
.bar-row .cname { color: var(--text); }
.bar-track { background: var(--surface-2); border-radius: 5px; height: 12px; overflow: hidden; }
.bar-fill { background: var(--accent); height: 100%; border-radius: 5px; }
.bar-row .cnum { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-family: var(--mono); font-size: 13px; }

/* Callout */
.note {
  background: var(--accent-soft);
  border: 1px solid #cfe6e2;
  border-radius: 10px;
  padding: 14px 18px;
  margin: 22px 0;
  font-size: 15px;
  color: #244742;
}
.note a { color: var(--accent-dark); }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 50px;
  padding: 26px 0 44px;
  color: var(--muted);
  font-size: 14px;
}
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 620px) {
  body { font-size: 16px; }
  h1 { font-size: 27px; }
  .lede { font-size: 17px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .bar-row { grid-template-columns: 120px 1fr 34px; }
  nav.main a { margin-left: 14px; }
}