.blog-hero .sec-sub {
  max-width: 62ch;
}

.filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.filterbar .chip {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--bg-panel);
  color: var(--text-muted);
  border: var(--bd) solid var(--border);
  padding: 8px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filterbar .chip .cur {
  color: var(--accent);
}

.filterbar .chip.on {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent-dark);
}

.filterbar .chip.on .cur {
  color: var(--bg);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.post-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg-panel);
  border: var(--bd) solid var(--border);
  padding: 20px;
  min-width: 0;
  text-decoration: none;
  color: var(--text);
}

.post-card:hover,
.post-card:focus-visible {
  border-color: var(--accent);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.post-date {
  white-space: nowrap;
}

.post-tag {
  background: var(--bg-panel2);
  color: var(--accent-dark);
  border: 2px solid var(--border);
  padding: 2px 8px;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.post-title {
  font-size: 18px;
  line-height: 1.4;
  margin: 0;
}

.post-sum {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
  flex: 1;
}

.post-more {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.post-more .cur {
  color: var(--error);
}

.post-empty {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: center;
  padding: 40px 0;
}

.crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 1.4rem;
  padding-top: 1.2rem;
}

.crumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

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

.crumbs .sep {
  color: var(--border);
}

.crumbs .here {
  color: var(--text);
}

.prose {
  max-width: 72ch;
  margin: 0 auto;
  line-height: 1.85;
}

.prose h2 {
  font-size: 22px;
  margin: 2.4em 0 0.9em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.prose h2::before {
  content: "▶";
  color: var(--accent);
  font-family: var(--font-mono);
}

.prose h3 {
  font-size: 18px;
  margin: 1.8em 0 0.7em;
  color: var(--accent);
}

.prose p {
  margin: 0 0 1.1em;
  color: var(--text);
}

.prose ul,
.prose ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
}

.prose ul li {
  list-style: none;
  position: relative;
  padding-left: 1.2em;
  margin-bottom: 0.5em;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  background: var(--accent);
}

.prose ol {
  counter-reset: pxol;
}

.prose ol li {
  list-style: none;
  position: relative;
  padding-left: 1.6em;
  margin-bottom: 0.6em;
  counter-increment: pxol;
}

.prose ol li::before {
  content: counter(pxol);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.1em;
  height: 1.1em;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.prose pre {
  background: var(--bg-panel2);
  border: var(--bd) solid var(--border);
  padding: 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 1.4em;
}

.prose code {
  font-family: var(--font-mono);
  background: var(--bg-panel2);
  padding: 2px 6px;
  font-size: 0.92em;
}

.prose blockquote {
  border-left: var(--bd) solid var(--accent);
  background: var(--bg-panel);
  margin: 0 0 1.4em;
  padding: 12px 18px;
  color: var(--text-muted);
}

.endcard {
  position: relative;
  background: var(--bg-panel);
  border: var(--bd) solid var(--accent);
  padding: 32px;
  margin: 3rem 0;
  text-align: center;
}

.endcard-tag {
  position: absolute;
  top: -14px;
  left: 20px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 10px;
}

.endcard-title {
  font-size: 22px;
  margin: 12px 0 8px;
}

.endcard p {
  color: var(--text-muted);
  margin: 0 0 18px;
}

.endcard .btns {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.related-wrap {
  margin: 3rem 0;
}

.related-head h2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  margin: 0 0 16px;
}

.related-head .cur {
  color: var(--accent);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.related-card {
  display: block;
  background: var(--bg-panel);
  border: var(--bd) solid var(--border);
  padding: 16px;
  text-decoration: none;
  color: var(--text);
}

.related-card:hover,
.related-card:focus-visible {
  border-color: var(--accent);
}

.related-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent-dark);
  border: 2px solid var(--border);
  padding: 2px 8px;
  margin-bottom: 10px;
}

.related-title {
  font-size: 15px;
  line-height: 1.5;
  margin: 0;
}

.postnav-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 2.4rem 0;
}

.postnav-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-panel);
  border: var(--bd) solid var(--border);
  padding: 16px;
  text-decoration: none;
  color: var(--text);
  min-width: 0;
}

.postnav-link:hover,
.postnav-link:focus-visible {
  border-color: var(--accent);
}

.postnav-next {
  text-align: right;
}

.postnav-lb {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.postnav-t {
  font-size: 14px;
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.dlm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 18, 51, 0.82);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  transition: opacity 0.2s;
  padding: var(--gutter);
}

.dlm-overlay.on {
  opacity: 1;
}

.dlm-panel {
  position: relative;
  width: min(420px, 100%);
  background: var(--bg-panel);
  border: var(--bd) solid var(--accent);
  padding: 32px 24px;
  text-align: center;
  transform: translateY(12px);
  transition: transform 0.2s;
}

.dlm-overlay.on .dlm-panel {
  transform: translateY(0);
}

.dlm-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-panel2);
  border: 2px solid var(--border);
  color: var(--text);
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-family: var(--font-mono);
}

.dlm-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.dlm-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-dark);
  border: 2px solid var(--border);
  padding: 2px 10px;
  margin-bottom: 12px;
}

.dlm-title {
  font-size: 20px;
  margin: 0 0 10px;
}

.dlm-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0 0 20px;
}

.dlm-btn {
  display: inline-flex;
}

@media (max-width: 640px) {
  .postnav-wrap {
    grid-template-columns: 1fr;
  }

  .postnav-next {
    text-align: left;
  }
}