.article-body {
  --ab-text: rgb(205, 205, 210);
  --ab-heading: rgb(236, 236, 236);
  --ab-muted: rgb(140, 140, 148);
  --ab-accent: rgb(210, 120, 40);
  --ab-surface: rgb(28, 28, 32);
  --ab-border: rgb(48, 48, 54);
  color: var(--ab-text);
  font-size: 1.0625rem;
  line-height: 1.75;
  overflow-wrap: break-word;
}

.article-body > * + * { margin-top: 1.25rem; }

.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--ab-heading);
  font-weight: 700;
  line-height: 1.3;
  margin-top: 2.5rem;
}
.article-body h2 { font-size: 1.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--ab-border); }
.article-body h3 { font-size: 1.25rem; }
.article-body h4 { font-size: 1.0625rem; }
.article-body h2 + *, .article-body h3 + *, .article-body h4 + * { margin-top: 1rem; }

.article-body a { color: var(--ab-accent); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: rgb(230, 138, 55); }
.article-body strong { color: var(--ab-heading); }

.article-body ul, .article-body ol { padding-left: 1.5rem; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li + li { margin-top: 0.4rem; }

.article-body blockquote {
  border-left: 3px solid var(--ab-accent);
  padding-left: 1rem;
  color: var(--ab-muted);
}

.article-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
  border-radius: 3px;
  border: 1px solid var(--ab-border);
}

.article-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: var(--ab-surface);
  border: 1px solid var(--ab-border);
  border-radius: 2px;
  padding: 0.1em 0.35em;
}
.article-body pre {
  background: var(--ab-surface);
  border: 1px solid var(--ab-border);
  border-radius: 3px;
  padding: 1rem;
  overflow-x: auto;
  line-height: 1.5;
}
.article-body pre code { background: transparent; border: 0; padding: 0; font-size: 0.875rem; }

.article-body table { width: 100%; border-collapse: collapse; display: block; overflow-x: auto; }
.article-body th, .article-body td { border: 1px solid var(--ab-border); padding: 0.5rem 0.75rem; text-align: left; }
.article-body th { background: var(--ab-surface); color: var(--ab-heading); }

.article-body hr { border: 0; border-top: 1px solid var(--ab-border); }

.article-body div.arithmatex {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0;
}
.article-body .katex-display { margin: 0; }
.article-body .katex { font-size: 1.1em; }