:root {
  --bg: #fdfcfa;
  --fg: #1f2328;
  --muted: #6a737d;
  --accent: #c2410c;
  --border: #e6e2dc;
  --code-bg: #f3f0eb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a;
    --fg: #e6e6e6;
    --muted: #9a9aa3;
    --accent: #fb923c;
    --border: #2c2c33;
    --code-bg: #222228;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0 auto;
  max-width: 720px;
  padding: 0 16px;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.75 -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Segoe UI", sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex; flex-wrap: wrap; gap: 8px 24px;
  justify-content: space-between; align-items: baseline;
  padding: 32px 0 16px; border-bottom: 1px solid var(--border);
}
.site-title { font-size: 1.25rem; font-weight: 700; color: var(--fg); }
.site-header nav { display: flex; gap: 16px; }
.site-header nav a { color: var(--muted); }

main { padding: 24px 0 48px; }
.lead { color: var(--muted); margin: 0 0 24px; }

.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 20px 0; border-bottom: 1px solid var(--border); }
.post-list h2 { margin: 2px 0 6px; font-size: 1.3rem; line-height: 1.4; }
.post-list h2 a { color: var(--fg); }
.post-list p { margin: 0 0 6px; color: var(--muted); }
time { color: var(--muted); font-size: 0.875rem; font-variant-numeric: tabular-nums; }

.tag { font-size: 0.875rem; margin-right: 8px; }
.tag-cloud { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 12px 24px; }
.count { color: var(--muted); font-size: 0.875rem; }

article h1 { font-size: 2rem; line-height: 1.3; margin: 0 0 8px; }
.meta { margin-bottom: 32px; }
.content h2 { margin-top: 2em; font-size: 1.4rem; }
.content h3 { margin-top: 1.6em; }
.content img { max-width: 100%; border-radius: 6px; }
.content blockquote { margin: 1em 0; padding: 0 1em; border-left: 3px solid var(--border); color: var(--muted); }
.content code { background: var(--code-bg); padding: 0.15em 0.35em; border-radius: 4px; font-size: 0.9em; }
.content pre { background: var(--code-bg); padding: 16px; border-radius: 8px; overflow-x: auto; line-height: 1.5; }
.content pre code { background: none; padding: 0; }
.content table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.content th, .content td { border: 1px solid var(--border); padding: 6px 12px; text-align: left; }

.pager { display: flex; justify-content: space-between; gap: 16px; padding-top: 24px; margin-top: 48px; border-top: 1px solid var(--border); }
.site-footer { padding: 24px 0 40px; color: var(--muted); font-size: 0.875rem; border-top: 1px solid var(--border); }
.empty { color: var(--muted); padding: 24px 0; }