/* UChicago AI Weather Model Reforecast Archive — shared styles */

:root {
  --maroon: #800000;
  --maroon-dark: #5c0000;
  --ink: #1a1a1a;
  --muted: #5f6368;
  --line: #e3e3e3;
  --bg: #fafafa;
  --card: #ffffff;
  --tint: #f3eded;
  --tint-soft: #fbf8f8;
  --wrap: 1100px;
  --table: 820px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

header.site {
  background: var(--maroon);
  color: #fff;
  padding: 28px 0 22px;
}

header.site .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
}

header.site h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 650;
}

header.site .sub {
  color: #ecd9d9;
  font-size: 14px;
}

/* ---------- Page navigation ---------- */

nav.pages {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}

nav.pages .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  padding: 0;
}

nav.pages a {
  padding: 10px 14px;
  font-size: 13.5px;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

nav.pages a:hover { color: var(--maroon); }

nav.pages a.here {
  color: var(--maroon);
  border-bottom-color: var(--maroon);
  font-weight: 600;
}

/* ---------- In-page jump links ---------- */

nav.jump {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 20px 0 4px;
}

nav.jump a {
  display: inline-block;
  padding: 3px 11px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: var(--card);
  color: var(--muted);
  font-size: 12.5px;
  text-decoration: none;
}

nav.jump a:hover {
  color: var(--maroon);
  border-color: var(--maroon);
}

/* ---------- Typography ---------- */

main { padding: 28px 0 60px; }

h2 {
  font-size: 21px;
  margin: 40px 0 10px;
  scroll-margin-top: 60px;
}

h2:first-child { margin-top: 8px; }

h3 { font-size: 17px; margin: 28px 0 8px; }

/* Sub-heading for fine print — smaller than h3, keeps the heading level. */
h3.fine {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  margin: 24px 0 2px;
}

h3.fine + p { margin-top: 0; }

p, li { max-width: 76ch; }

.muted {
  color: var(--muted);
  font-size: 14px;
}

code {
  background: #f1efef;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 13px;
}

a:focus-visible,
nav.pages a:focus-visible {
  outline: 2px solid var(--maroon);
  outline-offset: 2px;
}

/* ---------- Cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin: 18px 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 18px;
}

.card .kpi {
  font-size: 26px;
  font-weight: 650;
  color: var(--maroon);
}

.card .lbl {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}

/* ---------- Tables ---------- */

.table-wrap {
  margin: 12px 0 6px;
  max-width: var(--table);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  min-width: 460px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  font-size: 14px;
}

th, td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  overflow-wrap: break-word;
}

/* Shared column geometry so every variable table lines up section to
   section, rather than each one auto-sizing to its own contents. */

table.vars { table-layout: fixed; }

table.vars th:nth-child(1), table.vars td:nth-child(1) { width: 55%; }
table.vars th:nth-child(2), table.vars td:nth-child(2) { width: 15%; }
table.vars th:nth-child(3), table.vars td:nth-child(3) { width: 30%; }

th {
  background: var(--tint);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}

tbody tr:nth-child(even) { background: var(--tint-soft); }

tbody tr:last-child td { border-bottom: none; }

td a {
  color: var(--maroon);
  text-decoration-color: rgba(128, 0, 0, 0.35);
  text-underline-offset: 2px;
}

td a:hover { text-decoration-color: var(--maroon); }

td.num, th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* ---------- Notes & pills ---------- */

.note {
  background: #fff8ef;
  border: 1px solid #eeddc0;
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  margin: 10px 0;
  max-width: 86ch;
}

.pill {
  display: inline-block;
  background: var(--tint);
  color: var(--maroon);
  border-radius: 99px;
  padding: 2px 10px;
  font-size: 12.5px;
  font-weight: 600;
  margin: 0 6px 6px 0;
}

.pills { margin: 10px 0 14px; }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 18px 0 40px;
  color: var(--muted);
  font-size: 13px;
}

footer a { color: var(--muted); }

footer p { margin: 0 0 4px; }

footer p:last-child { margin-bottom: 0; }

/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  header.site { padding: 22px 0 18px; }
  header.site h1 { font-size: 20px; }
  h2 { font-size: 19px; margin-top: 32px; }
  table { font-size: 13px; }
  th, td { padding: 7px 10px; }
}

/* ---------- Print ---------- */

@media print {
  nav.pages, nav.jump { display: none; }
  body { background: #fff; }
  header.site { background: #fff; color: var(--ink); }
  header.site .sub { color: var(--muted); }
  .table-wrap { overflow: visible; }
}