:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --text: #1c1c1e;
  --muted: #6e6e73;
  --line: #e5e5ea;
  --accent: #2f7d32;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --text: #f2f2f7;
    --muted: #a1a1a6;
    --line: #2c2c2e;
    --accent: #7bc67e;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

.brand { margin: 0 0 24px; font-weight: 600; }
.brand a { color: var(--accent); text-decoration: none; }

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 16px; }
h2 { font-size: 1.25rem; margin: 40px 0 8px; padding-top: 16px; border-top: 1px solid var(--line); }

h3 { font-size: 1.05rem; margin: 24px 0 4px; }

a { color: var(--accent); }
ul { padding-left: 1.25em; }
li { margin: 4px 0; }

.table { overflow-x: auto; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
th, td { text-align: left; vertical-align: top; padding: 8px 12px 8px 0; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; }

.muted { color: var(--muted); }