:root {
  --color-bg: #faf8f4;
  --color-text: #22201c;
  --color-muted: #6b6558;
  --color-border: #ddd6c9;
  --color-accent: #8a4b2a;
  --color-code-bg: #f1ecdf;
  --color-callout-bg: #f3ece0;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1c1a16;
    --color-text: #e9e4d8;
    --color-muted: #a39b89;
    --color-border: #3a362c;
    --color-accent: #e3a373;
    --color-code-bg: #262319;
    --color-callout-bg: #262319;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.6;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
}

.site-header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

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

.site-header nav a:hover {
  color: var(--color-accent);
}

.site-header nav a[aria-current="page"] {
  color: var(--color-text);
  font-weight: 600;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

h1, h2, h3, h4 {
  line-height: 1.25;
}

h1 { font-size: 1.9rem; margin-top: 0; }
h2 { font-size: 1.4rem; margin-top: 2.5rem; padding-top: 0.5rem; border-top: 1px solid var(--color-border); }
h3 { font-size: 1.15rem; margin-top: 1.75rem; }

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

code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-code-bg);
  padding: 0.15em 0.35em;
  border-radius: 4px;
}

pre {
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 1rem;
  overflow-x: auto;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.85em;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  vertical-align: top;
}

th {
  background: var(--color-callout-bg);
}

blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-callout-bg);
  color: var(--color-muted);
}

ul, ol {
  padding-left: 1.4rem;
}

li {
  margin: 0.3rem 0;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

.callout {
  margin: 1.5rem 0;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  background: var(--color-callout-bg);
  border-radius: 6px;
  font-size: 0.95rem;
}

.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

.site-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  color: var(--color-muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
}