:root {
  --bg: #fbf6ef;
  --surface: #ffffff;
  --text: #2b211c;
  --muted: #6b5b52;
  --primary: #6f4e37;
  --border: #e6dbd0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161311;
    --surface: #211c19;
    --text: #efe6df;
    --muted: #b8a89d;
    --primary: #e2bfa3;
    --border: #3a312b;
  }
}

* { 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 { margin-bottom: 24px; }
header a { color: var(--primary); font-weight: 600; text-decoration: none; }

h1 { font-size: 28px; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--primary); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  margin: 16px 0;
}

ol, ul { padding-left: 22px; }
footer { margin-top: 48px; font-size: 14px; color: var(--muted); }