:root {
  --bg: #fcfcfb;
  --fg: #15181e;
  --muted: #5c6472;
  --line: #e4e6ea;
  --card: #ffffff;
  --accent: #1d4ed8;
  --up: #0a7a3d;
  --down: #b42318;
  --warn-bg: #fff8e6;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --fg: #e8eaee;
    --muted: #9aa2b1;
    --line: #262a31;
    --card: #171a20;
    --accent: #7aa2ff;
    --up: #3ecf8e;
    --down: #ff7b72;
    --warn-bg: #2a2413;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--card);
  padding: 10px 14px;
  border: 1px solid var(--line);
}
.skip:focus { left: 12px; z-index: 50; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 18px; min-height: 58px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.02rem; color: var(--fg); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.nav { display: flex; gap: 2px; flex-wrap: wrap; margin-left: auto; }
.nav a {
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 7px;
  font-size: 0.92rem;
}
.nav a:hover { color: var(--fg); background: var(--card); text-decoration: none; }

main { padding: 34px 0 10px; }

.crumbs { font-size: 0.82rem; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); }
.crumbs span { margin: 0 6px; }

.eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  margin: 0 0 6px;
}

h1 { font-size: clamp(1.6rem, 3.4vw, 2.15rem); line-height: 1.22; letter-spacing: -0.02em; margin: 0 0 10px; }
h2 { font-size: 1.3rem; letter-spacing: -0.01em; margin: 40px 0 12px; }
h3 { font-size: 1.05rem; margin: 24px 0 8px; }

.deck { color: var(--muted); font-size: 1.02rem; margin: 0 0 20px; max-width: 70ch; }

.answer {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 18px 0 8px;
  font-size: 1.03rem;
}
.answer strong { font-weight: 650; }

.updated { font-size: 0.82rem; color: var(--muted); margin: 10px 0 0; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 14px; margin: 26px 0 8px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h3 { margin: 0 0 6px; font-size: 1rem; }
.card p { margin: 0 0 10px; color: var(--muted); font-size: 0.92rem; }
.card .metric { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.card a { font-size: 0.9rem; }

.table-scroll { overflow-x: auto; margin: 12px 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.94rem; }
caption { text-align: left; color: var(--muted); font-size: 0.82rem; padding-bottom: 8px; }
th, td { padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 600; white-space: nowrap; }
tbody tr:hover { background: var(--card); }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--line);
  white-space: nowrap;
}
.badge.up { color: var(--up); }
.badge.down { color: var(--down); }
.badge.flat { color: var(--muted); }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin: 18px 0; }
.fact { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.fact dt { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 3px; }
.fact dd { margin: 0; font-size: 1.05rem; font-weight: 650; font-variant-numeric: tabular-nums; }

details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 8px 0;
}
details summary { cursor: pointer; font-weight: 600; }
details p { margin: 8px 0 0; color: var(--muted); }

.note {
  background: var(--warn-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--muted);
}

ul.plain { padding-left: 18px; }
ul.plain li { margin: 6px 0; }

.sources { font-size: 0.82rem; color: var(--muted); margin-top: 14px; }

footer.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding: 26px 0 40px;
  font-size: 0.85rem;
  color: var(--muted);
}
footer.site-footer .links { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 10px; }
footer.site-footer a { color: var(--muted); }
footer.site-footer p { margin: 6px 0; max-width: 80ch; }

@media (max-width: 620px) {
  main { padding-top: 24px; }
  .nav { margin-left: 0; width: 100%; }
  .site-header .wrap { padding-top: 8px; padding-bottom: 8px; }
}