:root {
  --bg: #fbfaf8;
  --text: #1d1b19;
  --muted: #5f5a54;
  --line: #e4e0da;
  --accent: #2f6b4f;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161514;
    --text: #ece9e4;
    --muted: #a8a29a;
    --line: #34312d;
    --accent: #7cc4a0;
  }
}
* { 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: 32px 16px 64px; }
header { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; flex-wrap: wrap; }
h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 32px 0 8px; }
p, li { margin: 0 0 10px; }
ul, ol { padding-left: 22px; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.lang { font-size: 0.95rem; }
.box { border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 16px 0; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 8px 6px; border-bottom: 1px solid var(--line); }
th { font-weight: 600; }
.table-wrap { overflow-x: auto; }