:root {
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #1a2440;
  --text: #e6ecf7;
  --muted: #9fb0cf;
  --accent: #246dff;
}
html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
main {
  max-width: 44rem;
  margin: 0 auto;
  padding: max(1.5rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) 3rem
    max(1rem, env(safe-area-inset-left));
}
h1 {
  font-size: 1.6rem;
  line-height: 1.2;
}
h2 {
  font-size: 1.1rem;
  margin-top: 2rem;
  color: #fff;
}
a {
  color: #7aa7ff;
}
.lead {
  font-size: 1.05rem;
  color: var(--text);
}
blockquote {
  margin: 0;
  padding: 0.75rem 1rem;
  background: var(--panel);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
}
.back {
  margin: 0 0 1rem;
}
.small {
  margin-top: 2.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}