/* Styles for the normal (non-projected) pages: the lesson index and lesson 03. */
:root {
  --bg: #fafafa;
  --fg: #1a1a1a;
  --muted: #666;
  --accent: #0a7ea4;
  --card: #fff;
  --border: #ddd;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111;
    --fg: #eee;
    --muted: #999;
    --accent: #4cc3e8;
    --card: #1b1b1b;
    --border: #333;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, 'Segoe UI', sans-serif;
}
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}
a { color: var(--accent); }
h1 { margin: 0 0 8px; }
.lede { color: var(--muted); margin-top: 0; }
ol.lessons { list-style: none; padding: 0; display: grid; gap: 12px; }
ol.lessons a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: inherit;
  text-decoration: none;
}
ol.lessons a:hover { border-color: var(--accent); }
ol.lessons strong { display: block; }
ol.lessons span { color: var(--muted); font-size: 14px; }
.video video { width: 100%; height: auto; border-radius: 8px; background: #000; margin-top: 12px; }
.status { color: var(--muted); }
pre {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  overflow: auto;
  font-size: 13px;
}
select { font: inherit; margin-left: 8px; }