/* Shared style of the public pages. Light and dark follow the device setting. */
:root {
  --bg: #fbfaf7;
  --text: #1f2328;
  --muted: #5d636b;
  --accent: #2f6f5e;
  --line: #e3e0d8;
  --card: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181b;
    --text: #e8e6e1;
    --muted: #a3a8ae;
    --accent: #7cc3ad;
    --line: #2c3136;
    --card: #1c2024;
  }
}

* { box-sizing: border-box; }

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

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

h1 { font-size: 1.8rem; line-height: 1.25; margin: 0 0 8px; }
h2 { font-size: 1.3rem; margin: 40px 0 8px; padding-top: 24px; border-top: 1px solid var(--line); }
h3 { font-size: 1.05rem; margin: 24px 0 4px; }

a { color: var(--accent); }

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

.langs { display: flex; gap: 16px; margin: 0 0 24px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 20px;
  margin: 16px 0;
}

ol, ul { padding-left: 1.3em; }
li { margin: 4px 0; }

footer { margin-top: 48px; font-size: 0.9rem; color: var(--muted); }