:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #1a1d24;
  --muted: #6b7280;
  --border: #e5e9f0;
  --accent: #2563eb;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #161922;
    --text: #eef0f4;
    --muted: #9aa2b1;
    --border: #262b36;
    --accent: #5b9dff;
  }
}

* { box-sizing: border-box; }

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

.wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

nav.top {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
}

nav.top a {
  color: var(--text);
  text-decoration: none;
}

.crown { color: var(--accent); }

h1 {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 4px;
}

.updated {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 32px;
}

h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 36px 0 12px;
  padding-top: 4px;
}

h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 20px 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

p, li { font-size: 15.5px; }

ul { padding-left: 22px; }
li { margin-bottom: 6px; }

a { color: var(--accent); }

strong { font-weight: 700; }

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 40px 0;
}

.footer-note {
  color: var(--muted);
  font-size: 13px;
  margin-top: 48px;
}

.doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 24px 0 40px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.doc-links a { font-size: 13.5px; font-weight: 600; }

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 14px;
  text-decoration: none;
  color: var(--text);
}

.card .title { font-weight: 700; font-size: 16px; }
.card .desc { color: var(--muted); font-size: 13.5px; margin-top: 4px; }

.tbl {
  width: 100%;
  overflow-x: auto;
  margin: 14px 0 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14.5px;
}

th, td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

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

thead th {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--muted);
  white-space: nowrap;
}

td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }