:root {
  --bg: #fdfaf6;
  --fg: #2a1f17;
  --muted: #7a6a5c;
  --primary: #c4653e;
  --border: #e8ddd0;
  --max-width: 680px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1410;
    --fg: #f5ebe0;
    --muted: #a89481;
    --primary: #e08558;
    --border: #3a2d22;
  }
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  padding: 2rem 1.25rem 4rem;
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
}

header {
  margin-bottom: 2.5rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.tagline {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0;
}

h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--fg);
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
}

p, li {
  margin: 0.5rem 0;
}

ul {
  padding-left: 1.5rem;
}

a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  opacity: 0.8;
}

.links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin: 2rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

table td, table th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

table th {
  font-weight: 600;
}

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}

.back {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.back::before {
  content: "← ";
}