:root {
  color-scheme: light dark;
  --ink: #1d2124;
  --muted: #5b6268;
  --paper: #f7f4ee;
  --rule: #d9d2c5;
  --accent: #8c3128;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8e3d8;
    --muted: #a7aca9;
    --paper: #121517;
    --rule: #2c3134;
    --accent: #e0907f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 4rem;
}

h1 { font-size: 1.7rem; line-height: 1.3; margin: 0 0 0.25rem; }
h2 { font-size: 1.15rem; margin: 2rem 0 0.5rem; }
p, li { margin: 0.4rem 0; }
ul, ol { padding-left: 1.3rem; }
a { color: var(--accent); }
.meta { color: var(--muted); margin: 0 0 1.5rem; }
nav { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
section + section { border-top: 1px solid var(--rule); margin-top: 3rem; padding-top: 2rem; }