:root {
  --bg: #e8e6dd;
  --fg: #2c2c28;
  --muted: #6b6b66;
  --card: #e0ded5;
  --link: #2d5a8a;
  --border: #d0cec5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1f20;
    --fg: #dfdedc;
    --muted: #9a9995;
    --card: #242625;
    --link: #6b9fd4;
    --border: #393b3a;
  }
}

/* Manual override via data-theme */
html[data-theme="light"] {
  --bg: #e8e6dd;
  --fg: #2c2c28;
  --muted: #6b6b66;
  --card: #e0ded5;
  --link: #2d5a8a;
  --border: #d0cec5;
}

html[data-theme="dark"] {
  --bg: #1d1f20;
  --fg: #dfdedc;
  --muted: #9a9995;
  --card: #242625;
  --link: #6b9fd4;
  --border: #393b3a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
}

.site-title {
  font-weight: 700;
  color: var(--fg);
}

.nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav a {
  font-size: 0.875rem;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--fg);
  padding: 6px 10px;
  border-radius: 10px;
  cursor: pointer;
  min-width: 120px;
  text-align: center;
}

.muted {
  color: var(--muted);
}

.post-list .post-item {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  margin: 12px 0;
}

.post h1 {
  margin-bottom: 6px;
}

.intro {
  font-size: 1rem;
  font-weight: normal;
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.pagination {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
}

.archive {
  list-style: none;
  padding: 0;
}

.archive li {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.site-footer {
  border-top: 1px solid var(--border);
}