:root {
  --bg: #ffffff;
  --text: #1a2330;
  --muted: #566273;
  --accent: #1d6fb8;
  --rule: #dde3ea;
  --panel: #f3f6f9;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1620;
    --text: #e6edf4;
    --muted: #9aa8b8;
    --accent: #6cb4f0;
    --rule: #26384b;
    --panel: #15212e;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font:
    16px/1.6 system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

header.site {
  border-bottom: 1px solid var(--rule);
}

header.site nav {
  max-width: 720px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: 15px;
}

header.site nav a:first-child {
  font-weight: 700;
  margin-right: auto;
}

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

h1 {
  font-size: 30px;
  line-height: 1.2;
  margin: 16px 0 4px;
}

h2 {
  font-size: 20px;
  margin: 36px 0 8px;
}

h3 {
  font-size: 17px;
  margin: 24px 0 6px;
}

.updated {
  color: var(--muted);
  margin: 0 0 24px;
}

.panel {
  background: var(--panel);
  border-radius: 10px;
  padding: 14px 18px;
  margin: 16px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 12px 0;
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 8px 10px 8px 0;
  border-bottom: 1px solid var(--rule);
}

th {
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
}

footer {
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 14px;
  padding: 16px;
  text-align: center;
}