:root {
  --article-width: 800px;
}

.article-shell {
  width: min(100% - 40px, var(--article-width));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.article-site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.article-brand {
  color: var(--accent);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.article-site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  color: var(--muted);
  font-size: 13px;
}

.article-header,
.article-index-header {
  padding: 64px 0 40px;
}

.article-category,
.article-index-meta {
  margin: 0;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.article-draft {
  display: inline-block;
  margin-left: 10px;
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.article-header h1,
.article-index-header h1 {
  margin: 14px 0 0;
  font-size: 36px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.article-description,
.article-index-header p {
  margin: 18px 0 0;
  color: #55504c;
  font-size: 16px;
  line-height: 2;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.article-meta a {
  color: var(--accent);
}

.article-cover {
  margin: 0 0 44px;
}

.article-cover img,
.article-body img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.article-toc {
  margin: 0 0 56px;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
}

.article-toc h2 {
  margin: 0 0 10px;
  font-size: 15px;
}

.article-toc ol {
  margin: 0;
  padding-left: 1.4rem;
  font-size: 14px;
  line-height: 1.9;
}

.article-toc .toc-level-3 {
  margin-left: 18px;
  color: #68625e;
  font-size: 13px;
}

.article-body {
  color: #3c3936;
  font-size: 16px;
  line-height: 2;
  overflow-wrap: anywhere;
}

.article-body h2,
.article-body h3 {
  color: var(--text);
  scroll-margin-top: 24px;
}

.article-body h2 {
  margin: 72px 0 22px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 25px;
  line-height: 1.55;
}

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

.article-body h3 {
  margin: 42px 0 14px;
  font-size: 19px;
  line-height: 1.6;
}

.article-body p,
.article-body ul,
.article-body ol,
.article-body blockquote,
.article-body pre,
.article-body .article-table-wrap {
  margin-top: 0;
  margin-bottom: 24px;
}

.article-body a {
  color: #b75e13;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body blockquote {
  padding: 12px 18px;
  border-left: 3px solid var(--line);
  color: #625d59;
  background: #fff;
}

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

.article-body code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #f0ede8;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.88em;
}

.article-body pre {
  overflow-x: auto;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #272522;
  color: #f8f5f1;
  line-height: 1.7;
}

.article-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.article-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 14px;
}

.article-body th,
.article-body td {
  min-width: 120px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background: var(--accent-weak);
}

.related-articles {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.related-articles h2 {
  margin: 0 0 12px;
  font-size: 17px;
}

.related-articles ul {
  margin: 0;
  padding-left: 1.2rem;
  line-height: 1.9;
}

.article-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  margin-top: 80px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.article-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.article-index-item {
  border-bottom: 1px solid var(--line);
}

.article-index-item a {
  display: block;
  padding: 28px 0;
}

.article-index-item a:hover {
  text-decoration: none;
}

.article-index-item a:hover h2 {
  color: var(--accent);
}

.article-index-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 16px;
}

.article-index-meta time {
  color: var(--muted);
  font-weight: 400;
}

.article-index-item h2 {
  margin: 8px 0 0;
  font-size: 20px;
  line-height: 1.6;
}

.article-index-item > a > p:last-child {
  margin: 6px 0 0;
  color: #55504c;
  font-size: 14px;
  line-height: 1.8;
}

@media (max-width: 600px) {
  .article-shell {
    width: min(100% - 32px, var(--article-width));
    padding-top: 30px;
  }

  .article-site-header {
    align-items: flex-start;
  }

  .article-header,
  .article-index-header {
    padding: 44px 0 32px;
  }

  .article-header h1,
  .article-index-header h1 {
    font-size: 29px;
  }

  .article-description,
  .article-index-header p,
  .article-body {
    font-size: 15px;
  }

  .article-toc {
    margin-bottom: 44px;
    padding: 16px;
  }

  .article-body h2 {
    margin-top: 56px;
    font-size: 22px;
  }

  .article-body h3 {
    margin-top: 36px;
    font-size: 18px;
  }
}