:root {
  --ink: #1a1d21;
  --muted: #5c6b7a;
  --accent: #f6821f;
  --line: #e6e9ed;
  --bg: #ffffff;
  --content: 46rem;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  max-width: 60rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--ink);
}

.brand span { color: var(--accent); }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  margin-left: 1rem;
}

nav a:hover { color: var(--ink); }

main {
  max-width: var(--content);
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

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

.article-list li { margin-bottom: 1.75rem; }

.article-list time {
  color: var(--muted);
  font-size: 0.85rem;
}

.article-list h2 { margin: 0.15rem 0 0.3rem; font-size: 1.4rem; line-height: 1.35; }

.article-list h2 a {
  color: var(--ink);
  text-decoration: none;
}

.article-list h2 a:hover { color: var(--accent); }

.article-list p { margin: 0; color: var(--muted); }

.tags { margin-top: 0.3rem; }

.tag {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--accent);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
  margin-right: 0.4rem;
}

.article h1 { font-size: 2rem; line-height: 1.3; margin: 0.75rem 0 0.5rem; }

.article .meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.5rem; }

.article h2 { margin-top: 2rem; }

.article img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.article pre {
  background: #0f1419;
  color: #e6edf3;
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.9rem;
}

.article code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
}

.article :not(pre) > code {
  background: var(--line);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
}

.article a { color: var(--accent); }

.article blockquote {
  margin: 1.5rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  color: var(--muted);
}

.back-link { color: var(--muted); text-decoration: none; font-size: 0.9rem; }

.back-link:hover { color: var(--ink); }

.notfound { text-align: center; padding: 4rem 1rem; }

.notfound h1 { font-size: 3rem; margin-bottom: 0.5rem; }

.site-footer {
  max-width: 60rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line);
}