:root { color-scheme: light dark; }
body {
  margin: 0;
  font: 1.125rem/1.7 Georgia, "Times New Roman", serif;
  color: #222;
  background: #fdfcf9;
}
main { max-width: 40rem; margin: 0 auto; padding: 3rem 1.25rem 5rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 1.5rem; }
h2, h3 { line-height: 1.3; margin-top: 2.5rem; }
a { color: #6b3e1f; }
nav { margin-bottom: 2rem; font-size: 0.95rem; }
nav a { text-decoration: none; }
.papers { padding-left: 1.5rem; }
.papers li { margin: 0.5rem 0; }
blockquote { margin: 1.5rem 0; padding-left: 1rem; border-left: 3px solid #ccc; color: #555; }
@media (prefers-color-scheme: dark) {
  body { color: #e6e3dc; background: #1b1a18; }
  a { color: #e0a97a; }
  blockquote { border-color: #555; color: #bbb; }
}