:root {
  --blog-column: 56rem;
  --blog-inset: max(1.5rem, var(--gutter));
  --blog-box: calc(var(--blog-column) + var(--blog-inset) + var(--blog-inset));
  --blog-title: clamp(1.8rem, 3.5vw, 2.6rem);
  --blog-list-title: clamp(2rem, 4vw, 3rem);
  --blog-h2: clamp(1.3rem, 2.4vw, 1.6rem);
  --blog-h3: 1.3rem;
  --blog-body-size: 1rem;
  --blog-small: 0.875rem;
  --blog-leading: 1.85;
  --blog-tracking: -0.015em;
  --blog-tint: color-mix(in srgb, var(--accent) 7%, var(--panel));
  --blog-success-tint: color-mix(in srgb, var(--success) 8%, var(--panel));
  --blog-warn-tint: color-mix(in srgb, var(--warn) 10%, var(--panel));
  --blog-ink: var(--text);
  --blog-ink-text: var(--panel);
  --blog-promo: linear-gradient(125deg, var(--accent-dark), var(--accent));
  --blog-focus: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, var(--clear));
  --blog-stamp-size: 4.5rem;
  --blog-stamp-angle: -11deg;
}

.blog-skip {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 1000;
  transform: translateY(-200%);
  padding: 0.75rem 1rem;
  border-radius: var(--r-sm);
  background: var(--panel);
  color: var(--accent);
  font-family: var(--font-body);
}

.blog-skip:focus {
  transform: translateY(0);
}

.breadcrumbs,
.article-hero,
.reading-wrap,
#related-posts,
#post-nav {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--blog-box);
  margin-inline: auto;
  padding-inline: var(--blog-inset);
  min-width: 0;
}

.breadcrumbs {
  margin-top: 1.5rem;
  padding-top: 0.25rem;
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: var(--blog-small);
  line-height: 1.8;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.breadcrumbs li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.65rem;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

.article-hero {
  position: relative;
  isolation: isolate;
  padding-block: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
  box-shadow: var(--edge-hi), var(--lift-1);
}

.article-hero::after {
  content: "Z9";
  position: absolute;
  top: 1.5rem;
  right: var(--blog-inset);
  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: var(--blog-stamp-size);
  height: var(--blog-stamp-size);
  border: 1px solid var(--accent);
  outline: 1px solid var(--accent);
  outline-offset: -6px;
  border-radius: var(--r-circle);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: var(--weight-bold);
  line-height: 1;
  transform: rotate(var(--blog-stamp-angle));
  pointer-events: none;
}

.article-hero h1,
.article-hero h2,
.article-hero h3,
.article-card h3,
.prose h1,
.prose h2,
.prose h3,
.article-body h1,
.article-body h2,
.article-body h3,
[data-article-body] h1,
[data-article-body] h2,
[data-article-body] h3,
#related-posts h2 {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-tracking);
  overflow-wrap: break-word;
  word-break: normal;
  font-family: var(--font-display);
  color: var(--text);
}

.article-hero h1 {
  margin: 0.75rem 0 1rem;
  font-size: var(--blog-title);
  font-weight: var(--weight-heavy);
  line-height: 1.35;
}

.blog-list-hero h1 {
  font-size: var(--blog-list-title);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--muted);
  font-size: var(--blog-small);
  line-height: 1.5;
}

.article-hero > .article-meta {
  min-height: 4rem;
  padding-right: calc(var(--blog-stamp-size) + 1rem);
  align-content: center;
}

.article-meta time,
.article-meta .read-time,
.article-meta .reading-time,
.blog-edition {
  max-width: 100%;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  font-size: var(--blog-small);
  overflow-wrap: anywhere;
}

.article-meta time {
  font-family: var(--font-mono);
}

.article-meta .badge {
  max-width: 100%;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--accent);
  border-radius: var(--r-pill);
  color: var(--on-accent);
  background: var(--accent);
  font-size: var(--blog-small);
  font-weight: var(--weight-medium);
  white-space: normal;
}

.article-summary {
  margin: 0;
  color: var(--muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
}

.blog-catalog {
  padding-block: 1rem 3rem;
}

.catalog-heading {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.catalog-heading h2,
#related-posts > h2 {
  margin: 0;
  font-size: var(--blog-h2);
  line-height: 1.5;
}

.blog-result-count {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.blog-filters button {
  min-height: 2.75rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  cursor: pointer;
  transition: background var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.blog-filters button:hover {
  border-color: var(--accent);
  background: var(--blog-tint);
}

.blog-filters button[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}

.blog-post-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.blog-post-grid > *,
.related-grid > *,
.stat-grid > * {
  min-width: 0;
}

.article-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
  box-shadow: var(--edge-hi), var(--lift-1);
  transition: border-color var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.article-card h3 {
  margin: 1rem 0 0.75rem;
  font-size: var(--blog-h3);
  font-weight: var(--weight-bold);
  line-height: 1.55;
}

.article-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.article-card h3 a:hover {
  color: var(--accent);
}

.article-card > p {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: var(--blog-body-size);
  line-height: 1.8;
}

.article-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent);
  font-size: var(--blog-small);
  font-weight: var(--weight-bold);
  text-underline-offset: 0.25em;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
  color: var(--muted);
  line-height: 1.8;
}

.reading-wrap {
  width: 100%;
  max-width: var(--blog-box);
  padding-inline: var(--blog-inset);
  margin-inline: auto;
  padding-block: 0 1.5rem;
}

.prose,
.article-body,
[data-article-body] {
  min-width: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
  overflow-wrap: anywhere;
  counter-reset: blog-section;
}

.prose :is(h1, h2, h3),
.article-body :is(h1, h2, h3),
[data-article-body] :is(h1, h2, h3) {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-tracking);
  scroll-margin-top: var(--anchor-gap);
}

.prose :is(h2),
.article-body :is(h2),
[data-article-body] :is(h2) {
  margin: 2.25rem 0 1rem;
  font-size: var(--blog-h2);
  font-weight: var(--weight-heavy);
  line-height: 1.55;
  counter-increment: blog-section;
}

.prose h2::before,
.article-body h2::before,
[data-article-body] h2::before {
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.65rem;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: var(--blog-tint);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  vertical-align: 0.15em;
}

.prose h3,
.article-body h3,
[data-article-body] h3 {
  margin: 1.75rem 0 0.75rem;
  font-size: var(--blog-h3);
  font-weight: var(--weight-bold);
  line-height: 1.6;
}

.prose > :first-child,
.article-body > :first-child,
[data-article-body] > :first-child {
  margin-top: 0;
}

.prose p,
.article-body p,
[data-article-body] p {
  margin: 0 0 1.15rem;
}

.prose :is(ul, ol),
.article-body :is(ul, ol),
[data-article-body] :is(ul, ol) {
  padding-left: 1.5rem;
  margin-block: 1rem 1.5rem;
}

.prose li,
.article-body li,
[data-article-body] li {
  margin-block: 0.4rem;
}

.prose a,
.article-body a,
[data-article-body] a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.prose img,
.article-body img,
[data-article-body] img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-sm);
}

.prose code,
.article-body code,
[data-article-body] code {
  padding: 0.12rem 0.35rem;
  border-radius: var(--r-xs);
  background: var(--panel-2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.9em;
  white-space: normal;
  overflow-wrap: anywhere;
}

.prose pre,
.article-body pre,
[data-article-body] pre {
  position: relative;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
  margin-block: 1.5rem;
  padding: 2.75rem 1.25rem 1.25rem;
  border: 1px solid var(--blog-ink);
  border-radius: var(--r-sm);
  background: var(--blog-ink);
  color: var(--blog-ink-text);
  line-height: 1.75;
  tab-size: 2;
}

.prose pre::before,
.article-body pre::before,
[data-article-body] pre::before {
  content: "Z9 / TERMINAL";
  position: absolute;
  top: 0.65rem;
  left: 1.25rem;
  color: var(--blog-ink-text);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
}

.prose pre code,
.article-body pre code,
[data-article-body] pre code {
  padding: 0;
  background: var(--clear);
  color: inherit;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.prose blockquote,
.article-body blockquote,
[data-article-body] blockquote,
.verdict {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-tint);
  color: var(--text);
}

.verdict strong:first-child {
  color: var(--accent-dark);
  font-weight: var(--weight-heavy);
}

.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.75rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-tint);
  color: var(--text);
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.25rem;
  left: 1rem;
  display: grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--accent);
  border-radius: var(--r-circle);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  font-weight: var(--weight-bold);
  line-height: 1;
}

.callout.warning,
.callout-warning {
  border-left-color: var(--warn);
  background: var(--blog-warn-tint);
}

.callout.warning::before,
.callout-warning::before {
  content: "!";
  color: var(--warn);
  border-color: var(--warn);
}

.callout.success,
.callout-success {
  border-left-color: var(--success);
  background: var(--blog-success-tint);
}

.callout.success::before,
.callout-success::before {
  content: "✓";
  color: var(--success);
  border-color: var(--success);
}

.callout > :last-child,
.verdict > :last-child,
.prose blockquote > :last-child,
.article-body blockquote > :last-child,
[data-article-body] blockquote > :last-child {
  margin-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-tint);
}

.stat-card:nth-child(even) {
  border-top-color: var(--success);
  background: var(--blog-success-tint);
}

.stat-num {
  display: block;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: var(--weight-bold);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.stat-card:nth-child(even) .stat-num {
  color: var(--success);
}

.stat-label {
  display: block;
  margin-top: 0.5rem;
  color: var(--text);
  font-size: var(--blog-small);
  line-height: 1.8;
}

.prose .check-list,
.article-body .check-list,
[data-article-body] .check-list,
.check-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin-block: 1.5rem;
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
}

.prose .table-scroll,
.article-body .table-scroll,
[data-article-body] .table-scroll {
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}

.prose table,
.article-body table,
[data-article-body] table {
  width: 100%;
  border-collapse: collapse;
  margin-block: 1.5rem;
  background: var(--panel);
  font-size: var(--blog-small);
  line-height: 1.8;
}

.prose .table-scroll table,
.article-body .table-scroll table,
[data-article-body] .table-scroll table {
  min-width: 38rem;
  margin: 0;
}

.prose :is(th, td),
.article-body :is(th, td),
[data-article-body] :is(th, td) {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.prose thead th,
.article-body thead th,
[data-article-body] thead th {
  background: var(--accent-dark);
  color: var(--on-accent);
  font-weight: var(--weight-bold);
}

.prose tbody tr:nth-child(even),
.article-body tbody tr:nth-child(even),
[data-article-body] tbody tr:nth-child(even) {
  background: var(--panel-2);
}

.prose tbody tr:hover,
.article-body tbody tr:hover,
[data-article-body] tbody tr:hover {
  background: var(--blog-tint);
}

.prose caption,
.article-body caption,
[data-article-body] caption {
  padding: 0.75rem 1rem;
  color: var(--muted);
  text-align: left;
}

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-block: 2rem 1rem;
  padding: 1.75rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-sm);
  background: var(--blog-promo);
  color: var(--on-accent);
  box-shadow: var(--lift-2);
}

.promo-copy {
  flex: 1 1 20rem;
  min-width: 0;
}

.promo-copy strong {
  color: var(--on-accent);
  font-family: var(--font-display);
  font-size: var(--blog-h3);
  font-weight: var(--weight-heavy);
}

.promo-copy p {
  margin: 0.5rem 0 0;
  color: var(--on-accent);
  font-size: var(--blog-body-size);
  line-height: 1.8;
}

.promo-block .btn-primary {
  border-color: var(--panel);
  background: var(--panel);
  color: var(--accent-dark);
}

.promo-block .btn-primary:hover {
  background: var(--panel-2);
  border-color: var(--panel-2);
}

.promo-block .btn-ghost {
  border-color: var(--on-accent);
  background: var(--clear);
  color: var(--on-accent);
}

#related-posts {
  padding-block: 1.5rem;
}

#related-posts > h2 {
  margin-bottom: 1rem;
}

.related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.related-card {
  padding: 1.15rem;
}

.related-card h3 {
  font-size: 1.1rem;
}

.related-card > p {
  font-size: var(--blog-small);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-block: 1rem 2rem;
}

#post-nav:empty,
#related-posts:empty {
  display: none;
}

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.post-nav-next {
  grid-column: 2;
}

.post-nav-label {
  color: var(--accent);
  font-size: var(--blog-small);
  font-weight: var(--weight-bold);
}

.post-nav-title {
  font-family: var(--font-display);
  font-size: var(--blog-body-size);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.post-nav-card time {
  margin-top: auto;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
}

.blog-filters button:focus-visible,
.article-card a:focus-visible,
.post-nav-card:focus-visible,
.breadcrumbs a:focus-visible,
.blog-skip:focus-visible,
.prose a:focus-visible,
.article-body a:focus-visible,
[data-article-body] a:focus-visible,
.table-scroll:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  box-shadow: var(--blog-focus);
}

.no-break {
  white-space: nowrap;
}

@media (max-width: 860px) {
  .prose table,
  .article-body table,
  [data-article-body] table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .prose .table-scroll table,
  .article-body .table-scroll table,
  [data-article-body] .table-scroll table {
    display: table;
    width: 100%;
    max-width: none;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .no-break {
    white-space: normal;
  }

  .article-hero {
    padding-block: 1.5rem;
  }

  .article-hero::after {
    top: 1.25rem;
  }

  .article-hero > .article-meta {
    align-items: flex-start;
    min-height: 4.5rem;
  }

  .blog-post-grid,
  .stat-grid,
  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .post-nav-next {
    grid-column: auto;
  }

  .article-card,
  .promo-block {
    padding: 1.25rem;
  }

  .blog-filters {
    gap: 0.5rem;
  }

  .promo-block .cta-row {
    width: 100%;
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .post-nav-card,
  .blog-filters button,
  .blog-skip {
    animation: none;
    transition: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible {
    transform: none;
  }
}