:root {
  --paper: #f6f1e4;
  --paper-hi: #fbf8ee;
  --ink: #201c14;
  --ink-muted: #6b6252;
  --rule: #ddd3ba;
  --accent-gb: #a8631b;
  --accent-hq: #2b7a6f;
  --accent-rwo: #8b263e;
  --accent-ajsj: #3d3a8b;

  --f-display: 'Source Serif 4', Georgia, serif;
  --f-body: 'Inter', -apple-system, sans-serif;
  --f-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-body);
  line-height: 1.6;
}

a { color: inherit; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 1.25rem; }

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

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.brand {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
}

.brand span { font-weight: 400; font-style: italic; color: var(--ink-muted); }

.tabs {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tabs .tab {
  text-decoration: none;
  color: var(--ink-muted);
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.tabs .tab[data-accent="gb"]:hover, .tabs .tab[data-accent="gb"].active { color: var(--accent-gb); border-color: var(--accent-gb); }
.tabs .tab[data-accent="hq"]:hover, .tabs .tab[data-accent="hq"].active { color: var(--accent-hq); border-color: var(--accent-hq); }
.tabs .tab[data-accent="rwo"]:hover, .tabs .tab[data-accent="rwo"].active { color: var(--accent-rwo); border-color: var(--accent-rwo); }
.tabs .tab[data-accent="ajsj"]:hover, .tabs .tab[data-accent="ajsj"].active { color: var(--accent-ajsj); border-color: var(--accent-ajsj); }

main.wrap { padding-top: 2.5rem; padding-bottom: 4rem; min-height: 60vh; }

.blog-intro { margin-bottom: 2rem; }

.blog-intro h1 {
  font-family: var(--f-display);
  font-size: clamp(1.8rem, 5vw, 2.4rem);
  font-weight: 700;
}

.blog-intro .count {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.4rem;
}

.ref-pages {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.ref-pages-label {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.ref-page-link {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.3rem 0.6rem;
}

.ref-page-link:hover { border-color: var(--accent-gb); color: var(--accent-gb); }

.post-grid { display: flex; flex-direction: column; }

.post-card {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
}

.post-card-link { text-decoration: none; display: block; }

.source-tag {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 0.4rem;
}

.post-card h2 {
  font-family: var(--f-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 0.5rem;
}

.post-card .excerpt {
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.post-meta {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.post-meta .date {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  color: var(--ink-muted);
}

.post-meta .label {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 0.15rem 0.4rem;
}

.empty { color: var(--ink-muted); padding: 2rem 0; }

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--paper-hi);
}

.site-footer .wrap {
  padding: 1.5rem 1.25rem;
  font-family: var(--f-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  text-align: center;
}

.site-footer a { text-decoration: underline; text-underline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}