.lab-header {
  padding: 48px 48px 36px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

.sec-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

h1.lab-title {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.4px;
  margin-bottom: 8px;
}

.lab-subtitle {
  color: var(--ink-soft);
  font-size: 14px;
  max-width: 520px;
  margin-bottom: 28px;
}

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.12s;
}
.filter-pill:hover { border-color: var(--ink-soft); color: var(--ink); }
.filter-pill.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.filter-pill[data-cat="MIGRATION"].active { background: #2563EB; border-color: #2563EB; }
.filter-pill[data-cat="PATCHING"].active { background: #0D9488; border-color: #0D9488; }
.filter-pill[data-cat="RAC"].active { background: #6B7280; border-color: #6B7280; }
.filter-pill[data-cat="LICENSING"].active { background: #D97706; border-color: #D97706; }

.posts-section { padding: 40px 48px 60px; }

.posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  min-width: 0;
}

.post-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: background 0.12s, box-shadow 0.12s;
  min-width: 0;
}
@media (hover:hover) { .post-card:hover { background: var(--bg); box-shadow: 0 2px 12px rgba(0,0,0,0.06); } }
.post-card.hidden { display: none; }

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.post-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  font-weight: 500;
}
.post-cat.MIGRATION { background: #EFF6FF; color: #2563EB; }
.post-cat.PATCHING  { background: #F0FDFA; color: #0D9488; }
.post-cat.RAC       { background: #F9FAFB; color: #6B7280; }
.post-cat.LICENSING { background: #FFFBEB; color: #D97706; }

.post-date,
.post-readtime {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-faint);
}
.post-readtime { margin-left: auto; }

.post-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
  overflow-wrap: break-word;
}

.post-card-excerpt {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.65;
  flex: 1;
}

.post-card-link {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

@media (max-width: 880px) {
  .posts-section { padding: 28px 24px 48px; }
  .lab-header { padding: 32px 24px 28px; }
}

@media (max-width: 600px) {
  .posts-grid { grid-template-columns: 1fr; }
  h1.lab-title { font-size: 24px; }
}