:root {
  --bg: #fff;
  --fg: #1d1d1d;
  --muted: #666;
  --accent: #1d6fa5;
  --border: #e5e5e5;
  --max-width: 50rem;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
}
.site-header {
  background: var(--accent);
  padding: 1rem 1.5rem;
}
.site-name {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.25rem;
}
.site-main {
  max-width: var(--max-width);
  margin: 2rem auto;
  padding: 0 1.5rem;
}
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.875rem;
  padding: 2rem 1rem;
}
a { color: var(--accent); }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; }
hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }
blockquote {
  border-left: 3px solid var(--border);
  margin: 1rem 0;
  padding: 0.25rem 1rem;
  color: var(--muted);
}
code {
  background: #f4f4f4;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.95em;
}
.article-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}
.article-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.article-list time {
  color: var(--muted);
  margin-right: 0.75rem;
  font-variant-numeric: tabular-nums;
}
.article-header time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
  margin: 2rem 0;
}
.gallery a { display: block; }
.gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-radius: 4px;
  background: #f0f0f0;
}
.article-body img { max-width: 100%; height: auto; }
.back { margin-top: 2rem; }
.empty { color: var(--muted); }