:root {
  --blog-text-breadcrumb: 13px;
  --blog-title: clamp(30px, 3vw, 46px);
  --blog-article-title: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --blog-lead: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  --blog-h2: clamp(20px, 2vw, 24px);
  --blog-h3: 20px;
  --blog-heading-leading: 1.32;
  --blog-lead-leading: 1.7;
  --blog-crumb-opacity: 0.65;
  --blog-separator-opacity: 0.35;
  --blog-focus-width: 2px;
  --blog-focus-offset: 4px;
}

.blog-main {
  min-width: 0;
}

.blog-hero {
  padding-block: 3rem 2.5rem;
}

.blog-hero h1 {
  display: block;
  max-width: 100%;
  margin-block: 1rem;
  font-family: var(--font-display);
  font-size: var(--blog-title);
  line-height: var(--blog-heading-leading);
  letter-spacing: var(--tracking-heading);
  color: var(--ink);
}

.blog-hero > p {
  max-width: var(--reading);
  margin-block: 0 1.5rem;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--muted);
}

.blog-catalog {
  border-top: 1px solid var(--line);
  padding-block: 2rem 4rem;
}

.blog-catalog-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.blog-catalog-head h2,
#related-posts > h2 {
  display: block;
  margin: 0;
  font-size: var(--blog-h2);
  line-height: var(--blog-heading-leading);
  color: var(--ink);
}

.blog-count {
  margin: 0;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--muted);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block: 1.5rem 2rem;
}

.blog-filters button {
  min-height: 44px;
  padding: 0.625rem 1rem;
  border: 1px solid var(--line-card);
  border-radius: var(--r-btn);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  cursor: pointer;
}

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

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

.blog-filters button:focus-visible,
.post-card a:focus-visible,
.post-nav-card:focus-visible,
.blog-breadcrumb a:focus-visible,
nav.breadcrumb a:focus-visible,
nav.breadcrumbs a:focus-visible {
  outline: var(--blog-focus-width) solid var(--accent);
  outline-offset: var(--blog-focus-offset);
}

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

.post-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--line-card);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow-card);
}

.post-meta,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  font-size: var(--blog-text-breadcrumb);
  line-height: var(--leading-body);
  color: var(--muted);
}

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

.post-meta .tag,
.article-meta .tag {
  max-width: 100%;
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg);
  color: var(--muted);
  white-space: normal;
  overflow-wrap: anywhere;
  font-size: var(--text-xs);
}

.post-card h3,
.post-card .post-title {
  display: block;
  max-width: 100%;
  margin-block: 1rem 0.75rem;
  font-family: var(--font-display);
  font-size: var(--blog-h3);
  line-height: 1.5;
  letter-spacing: var(--tracking-heading);
  overflow-wrap: break-word;
}

.post-title a,
.post-card h3 a,
.post-more {
  color: var(--ink);
  text-decoration: none;
}

.post-title a:hover,
.post-card h3 a:hover,
.post-more:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.post-summary,
.post-card > p {
  margin-block: 0 1.25rem;
  font-size: var(--text-base);
  line-height: var(--leading-prose);
  color: var(--muted);
  overflow-wrap: break-word;
}

.post-more {
  align-self: flex-start;
  margin-top: auto;
  padding-block: 0.375rem;
  font-size: var(--text-sm);
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding-block: 1.5rem;
  color: var(--muted);
  line-height: var(--leading-prose);
}

.blog-empty a {
  color: var(--ink);
}

/* Article templates use a direct nav and article header. */
main:has(> article > .article-body) {
  padding-top: 32px;
}

main:has(> article > .article-body) > nav {
  margin: 0 0 20px;
  font-size: var(--blog-text-breadcrumb);
  line-height: var(--leading-body);
  color: var(--muted);
}

main:has(> article > .article-body) > nav > p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

main:has(> article > .article-body) > nav a,
main:has(> article > .article-body) > nav [aria-hidden] {
  flex-shrink: 0;
}

main:has(> article > .article-body) > nav [aria-current="page"] {
  min-width: 0;
  max-width: 30ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

main:has(> article > .article-body) > article > header {
  padding-block: 0 32px;
}

main:has(> article > .article-body) > article > header .post-meta {
  margin-bottom: 14px;
}

main:has(> article > .article-body) > article > header h1 {
  display: block;
  margin-block: 0 12px;
  font-size: var(--blog-article-title);
  line-height: var(--blog-heading-leading);
}

main:has(> article > .article-body) > article > header > p {
  margin: 0;
  font-size: var(--blog-lead);
  line-height: var(--blog-lead-leading);
  color: var(--muted);
}

/* Compact article layout, independent of homepage section spacing. */
.article-page .section,
.blog-article .section,
body:has(.article-hero) main.section,
body:has(.article-header) main.section,
main:has(.article-body).section {
  padding-block: 2rem;
}

.article-page main,
.blog-article main,
main:has(.article-body) {
  min-width: 0;
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.5rem;
  min-width: 0;
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-body);
  font-size: var(--blog-text-breadcrumb);
  line-height: var(--leading-body);
  color: var(--muted);
}

.blog-breadcrumb a,
nav.breadcrumb a,
nav.breadcrumbs a {
  flex-shrink: 0;
  color: var(--muted);
  opacity: var(--blog-crumb-opacity);
  text-decoration: none;
}

.blog-breadcrumb a:hover,
nav.breadcrumb a:hover,
nav.breadcrumbs a:hover {
  color: var(--ink);
  opacity: 1;
  text-decoration: none;
}

.blog-breadcrumb > span:not([aria-current]),
nav.breadcrumb > span:not([aria-current]),
nav.breadcrumbs > span:not([aria-current]) {
  flex-shrink: 0;
  opacity: var(--blog-separator-opacity);
}

.blog-breadcrumb [aria-current="page"],
nav.breadcrumb [aria-current="page"],
nav.breadcrumbs [aria-current="page"] {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 30ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-hero,
.article-header,
.article-hero.section,
.article-header.section {
  padding-block: 0.5rem 2rem;
}

.article-hero .article-meta,
.article-header .article-meta {
  margin-bottom: 1rem;
}

.article-hero h1,
.article-header h1,
.article-body h1 {
  display: block;
  max-width: 100%;
  margin-block: 1rem;
  font-family: var(--font-display);
  font-size: var(--blog-article-title);
  line-height: var(--blog-heading-leading);
  letter-spacing: var(--tracking-heading);
  color: var(--ink);
  overflow-wrap: break-word;
}

.article-lead,
.article-summary,
.article-hero > p,
.article-header > p {
  margin-block: 1rem 0;
  font-size: var(--blog-lead);
  line-height: var(--blog-lead-leading);
  color: var(--muted);
}

.article-body {
  min-width: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-prose);
  color: var(--ink);
  overflow-wrap: break-word;
}

.article-body section,
.article-body section.section,
.prose .article-body section {
  margin-block: 0;
  padding-block: 0;
}

.article-body section + section {
  margin-top: 2rem;
}

.article-body h2 {
  display: block;
  max-width: 100%;
  margin-block: 2rem 1rem;
  font-size: var(--blog-h2);
  line-height: 1.5;
  color: var(--ink);
}

.article-body > h2:first-child,
.article-body > section:first-child > h2:first-child,
.article-body section > h2:first-child {
  margin-top: 0;
}

.article-body h3 {
  display: block;
  max-width: 100%;
  margin-block: 1.5rem 0.75rem;
  font-size: var(--blog-h3);
  line-height: 1.5;
}

.article-body p,
.article-body ul,
.article-body ol,
.article-body blockquote,
.article-body pre,
.article-body .table-scroll {
  margin-block: 0 1.25rem;
}

.article-body ul,
.article-body ol {
  padding-left: 1.5rem;
}

.article-body li + li {
  margin-top: 0.375rem;
}

.prose a:not([class*="btn"]):not([class*="button"]),
.article-body a:not([class*="btn"]):not([class*="button"]) {
  color: var(--ink);
  text-underline-offset: 0.2em;
}

.article-body blockquote {
  padding: 0.75rem 1rem;
  border-left: 2px solid var(--line-device);
  background: var(--panel-2);
  color: var(--ink);
}

.article-body blockquote > :last-child {
  margin-bottom: 0;
}

.article-body code {
  border-radius: var(--r-code);
  background: var(--sunken);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}

.article-body :not(pre) > code {
  padding: 0.125em 0.3em;
}

.article-body pre {
  max-width: 100%;
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--sunken);
  color: var(--ink);
}

.article-body pre code {
  padding: 0;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.article-body img,
.article-body svg,
.article-body video {
  max-width: 100%;
  height: auto;
}

.article-body .table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.article-body table,
.prose table {
  display: block;
  max-width: 100%;
  width: 100%;
  margin-block: 0 1.25rem;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: var(--text-sm);
  color: var(--ink);
}

.article-body th,
.article-body td,
.prose th,
.prose td {
  min-width: 7em;
  padding: 0.75rem;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: normal;
  word-break: normal;
}

.article-body th,
.prose th {
  background: var(--panel-2);
}

.article-body .article-download,
.article-download {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  margin-block: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--line-card);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--shadow-card);
}

.article-download > div {
  min-width: 0;
}

.article-download h2 {
  display: block;
  margin-block: 0 0.5rem;
  font-size: var(--blog-h2);
  line-height: 1.5;
}

.article-download p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--muted);
}

.article-download .button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#related-posts {
  min-width: 0;
  margin-block: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

#related-posts > h2 {
  margin-bottom: 1.25rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1rem;
  max-width: var(--reading);
}

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

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--line-card);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--ink);
  text-decoration: none;
  box-shadow: var(--shadow-card);
}

.post-nav-card:hover {
  border-color: var(--line-device);
}

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

.post-nav-label {
  color: var(--muted);
  font-size: var(--text-sm);
}

.post-nav-title {
  color: var(--ink);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  overflow-wrap: break-word;
}

#related-posts[hidden],
#post-nav[hidden] {
  display: none;
}

@media (max-width: 768px) {
  .blog-hero h1 {
    font-size: 30px;
  }

  .article-hero h1,
  .article-header h1,
  .article-body h1 {
    font-size: 24px;
  }

  .blog-hero {
    padding-block: 2rem;
  }
}

@media (max-width: 640px) {
  .blog-post-grid,
  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .post-card,
  .article-download {
    padding: 1.25rem;
  }

  .blog-hero > p {
    font-size: var(--text-base);
  }

  .article-download .button-row {
    width: 100%;
  }

  .blog-catalog {
    padding-bottom: 3rem;
  }
}