:root {
  color-scheme: light dark;
  --bg: #1a2332;
  --fg: #e9edf2;
  --muted: #9aa5b1;
  --accent: #4f8df0;
  --card: #243248;
  --border: #2e3e58;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

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

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 72px;
}

header.site {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

header.site .wrap {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

header.site h1 {
  font-size: 18px;
  margin: 0;
  letter-spacing: 0.2px;
}

header.site nav a {
  margin-left: 16px;
  font-size: 14px;
}

h1 { font-size: 32px; line-height: 1.2; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 24px 0 6px; color: var(--fg); }

p, ul, ol { margin: 12px 0; }
ul, ol { padding-left: 22px; }
li + li { margin-top: 4px; }

.meta {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 24px;
}

hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

footer {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  padding: 24px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
  font-size: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

th, td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

th {
  font-weight: 600;
  background: rgba(255, 255, 255, 0.03);
}

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

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  background: rgba(255, 255, 255, 0.06);
  padding: 1px 5px;
  border-radius: 4px;
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 24px;
}

.card {
  display: block;
  padding: 18px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--fg);
}

.card:hover { border-color: var(--accent); text-decoration: none; }
.card h3 { margin: 0 0 4px; color: var(--fg); }
.card p { margin: 0; color: var(--muted); font-size: 14px; }