:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --accent: #1d6f42;
  --border: #e5e5e5;
  --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141a;
    --fg: #e8e8e8;
    --muted: #9a9a9a;
    --accent: #6fd19a;
    --border: #2a2d36;
  }
}

* {
  box-sizing: border-box;
}

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

.wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

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

a:hover {
  text-decoration: underline;
}

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

header.site-header .wrapper {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.site-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--fg);
}

.site-title:hover {
  text-decoration: none;
}

nav.site-nav a {
  margin-left: 1.25rem;
  color: var(--fg);
  font-size: 0.95rem;
}

nav.site-nav a:first-child {
  margin-left: 0;
}

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

.post-list li {
  margin-bottom: 1.75rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--border);
}

.post-list li:last-child {
  border-bottom: none;
}

.post-list h2 {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
}

.post-meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.tag {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  margin-right: 0.4rem;
}

.tag.tech {
  border-color: #4f8ff7;
  color: #4f8ff7;
}

.tag.running {
  border-color: #ff8a4f;
  color: #ff8a4f;
}

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

article.post img {
  max-width: 100%;
  border-radius: 6px;
}

article.post pre {
  overflow-x: auto;
  padding: 1rem;
  border-radius: 6px;
  background: rgba(127, 127, 127, 0.12);
}

article.post code {
  background: rgba(127, 127, 127, 0.12);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}

article.post pre code {
  background: none;
  padding: 0;
}

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

footer.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.pagination {
  margin-top: 2rem;
  display: flex;
  justify-content: space-between;
}

.series-nav {
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.series-pagination {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.95rem;
}