:root {
  color-scheme: light dark;
  --fg: #111;
  --bg: #fff;
  --muted: #666;
  --max-width: 640px;
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

a { color: inherit; }

.site-header {
  margin-bottom: 2.5rem;
}

.site-title {
  font-weight: 700;
  text-decoration: none;
  font-size: 1.1rem;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.post-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(128, 128, 128, 0.2);
}

.post-list a {
  text-decoration: none;
  font-weight: 500;
}

.post-list a:hover {
  text-decoration: underline;
}

.post-list-date, .post-date {
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

.post h1 {
  margin-bottom: 0.25rem;
}

.post img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 1.5rem 0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #eee;
    --bg: #111;
    --muted: #999;
  }
}