:root {
  --bg: #f9f7f2;
  --text: #1f1f1f;
  --muted: #5a5a5a;
  --accent: #6b4f4b;
  --border: #e0dcd3;
  --card: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 1rem;
}

header h1 {
  margin: 0;
  font-size: 1.5rem;
  color: var(--accent);
}

header nav {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

header nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

header nav a:hover,
header nav a[aria-current="page"] {
  color: var(--accent);
  text-decoration: underline;
}

main {
  max-width: 720px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.summary {
  background: var(--card);
  border-left: 4px solid var(--accent);
  padding: 1rem 1.25rem;
  margin-bottom: 2rem;
  border-radius: 0 6px 6px 0;
}

.summary h2 {
  margin-top: 0;
  font-size: 1.1rem;
  color: var(--accent);
}

.summary p {
  margin: 0;
  color: var(--muted);
}

h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
  color: var(--accent);
}

h3 {
  margin-top: 1.5rem;
  font-size: 1.1rem;
}

p,
ul,
ol {
  margin: 0.75rem 0;
}

ul,
ol {
  padding-left: 1.5rem;
}

li {
  margin: 0.4rem 0;
}

strong {
  color: var(--accent);
}

footer {
  max-width: 720px;
  margin: 3rem auto;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1a1a1a;
    --text: #ececec;
    --muted: #a8a8a8;
    --accent: #c9a99a;
    --border: #3a3a3a;
    --card: #242424;
  }
}