:root {
  --bg: #ffffff;
  --surface: #f3f2f7;
  --text: #16141f;
  --muted: #6e6a7c;
  --border: #e3e1ea;
  --accent: #6c4cf5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0e14;
    --surface: #1b1923;
    --text: #f2f0f8;
    --muted: #9a96a8;
    --border: #2a2733;
    --accent: #8b70ff;
  }
}

* { box-sizing: border-box; }

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

main { max-width: 680px; margin: 0 auto; padding: 32px 16px 64px; }

header.site { border-bottom: 1px solid var(--border); }
header.site nav {
  max-width: 680px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: center;
}
header.site .brand { font-weight: 800; color: var(--accent); margin-right: auto; text-decoration: none; }
header.site a { color: var(--muted); text-decoration: none; font-size: 15px; }
header.site a[aria-current="page"] { color: var(--text); font-weight: 600; }

h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
h3 { font-size: 17px; margin: 20px 0 4px; }
p.updated { color: var(--muted); margin: 0 0 24px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
li { margin: 4px 0; }

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

table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px 8px 0; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }
.scroll { overflow-x: auto; }

footer { color: var(--muted); font-size: 14px; border-top: 1px solid var(--border); margin-top: 48px; padding-top: 16px; }