/* ChatterSyn site: one stylesheet, light and dark from the system setting. */
:root {
  --bg: #fdf6f5;
  --fg: #1d1b1b;
  --muted: #5f5655;
  --accent: #c41d0a;
  --card: #ffffff;
  --rule: #ecdcd9;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1616;
    --fg: #f1eceb;
    --muted: #b7aaa8;
    --accent: #ff6b57;
    --card: #241d1d;
    --rule: #3a2e2d;
  }
}

* { box-sizing: border-box; }

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

main, header, footer { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
header { padding-top: 2.5rem; }
footer { padding: 2rem 1.25rem 3rem; color: var(--muted); font-size: 0.9rem; }

a { color: var(--accent); }
h1 { font-size: 2.2rem; line-height: 1.2; margin: 0.4rem 0; }
h2 { margin-top: 2.2rem; border-top: 1px solid var(--rule); padding-top: 1.4rem; }
.tagline { color: var(--muted); font-size: 1.15rem; margin-top: 0; }
.brand { display: flex; align-items: center; gap: 0.9rem; text-decoration: none; color: inherit; }
.brand img { width: 64px; height: 64px; }
.shot { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--rule); }
nav a { margin-right: 1.1rem; }
code, pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: 0.92em; }
pre { background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 0.9rem; overflow-x: auto; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 0.2rem 1.2rem; }
.updated { color: var(--muted); }