:root { color-scheme: light dark; }
body {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.5rem;
  font-family: system-ui, -apple-system, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.7;
}
header nav a { margin-right: .75rem; }
h1 { line-height: 1.3; }
footer { margin-top: 3rem; font-size: .85rem; color: #777; }
.cover-slot {
  border: 1px dashed #aaa;
  padding: 3rem 1rem;
  text-align: center;
  color: #888;
  max-width: 20rem;
}