/*
 * Reader - long-form article typography.
 * Shared by the terminal reader window and the static /blog/<slug>/ pages,
 * which link this file directly. Keep it self-contained: no dependency on
 * variables.css.
 */
.reader {
  --rd-bg: #12161d;
  --rd-ink: #d7dde4;
  --rd-head: #f0f6fc;
  --rd-soft: #8b949e;
  --rd-rule: #262c36;
  --rd-accent: #e3913a;
  --rd-link: #79c0ff;
  --rd-surface: rgba(110, 118, 129, 0.14);
  --rd-serif: 'Iowan Old Style', 'Charter', 'Bitstream Charter', 'Sitka Text', Cambria, Georgia, serif;
  --rd-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --rd-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  background: var(--rd-bg);
  color: var(--rd-ink);
}

.light-theme .reader,
.light-theme-loading .reader,
.reader.light-theme {
  --rd-bg: #fbfaf7;
  --rd-ink: #2a2a2a;
  --rd-head: #141414;
  --rd-soft: #6f6a62;
  --rd-rule: #e5e2da;
  --rd-accent: #b45309;
  --rd-link: #0b5cad;
  --rd-surface: rgba(0, 0, 0, 0.045);
}

.reader-article {
  max-width: 680px;
  margin: 0 auto;
  font-family: var(--rd-serif);
  font-size: 19px;
  line-height: 1.72;
  overflow-wrap: break-word;
}

/* Header */
.reader-article h1 {
  font: 700 2.15em/1.13 var(--rd-serif);
  color: var(--rd-head);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}

.reader-meta {
  font: 13px/1.6 var(--rd-sans);
  color: var(--rd-soft);
  padding-bottom: 22px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--rd-rule);
}

.reader-meta > * {
  white-space: nowrap;
}

.reader-meta .tag {
  font-family: var(--rd-mono);
  font-size: 12px;
  margin-left: 10px;
}

/* Body */
.reader-article p,
.reader-article ul,
.reader-article ol {
  margin: 0 0 1.1em;
}

.reader-article ul,
.reader-article ol {
  padding-left: 1.4em;
}

.reader-article li {
  margin: 0.3em 0;
}

.reader-article h2 {
  font: 650 1.3em/1.3 var(--rd-serif);
  color: var(--rd-head);
  margin: 2em 0 0.6em;
}

.reader-article h3,
.reader-article h4 {
  font: 650 1.08em/1.35 var(--rd-serif);
  color: var(--rd-head);
  margin: 1.6em 0 0.5em;
}

.reader-article strong {
  color: var(--rd-head);
}

.reader-article a {
  color: var(--rd-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.reader-article blockquote {
  margin: 1.8em 0;
  padding: 0.2em 0 0.2em 1.2em;
  border-left: 3px solid var(--rd-accent);
  font-style: italic;
  font-size: 1.08em;
  color: var(--rd-head);
}

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

.reader-article code {
  font-family: var(--rd-mono);
  font-size: 0.8em;
  background: var(--rd-surface);
  padding: 0.12em 0.4em;
  border-radius: 4px;
}

.reader-article pre {
  font-size: 15px;
  line-height: 1.55;
  background: var(--rd-surface);
  border: 1px solid var(--rd-rule);
  border-radius: 6px;
  padding: 14px 16px;
  margin: 0 0 1.4em;
  overflow-x: auto;
}

.reader-article pre code {
  background: none;
  padding: 0;
  font-size: 0.88em;
}

.reader-article img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.reader-article hr {
  border: 0;
  border-top: 1px solid var(--rd-rule);
  margin: 2.4em 0;
}

.reader-article table {
  width: 100%;
  border-collapse: collapse;
  font: 15px/1.5 var(--rd-sans);
  margin: 0 0 1.4em;
  display: block;
  overflow-x: auto;
}

.reader-article th,
.reader-article td {
  border: 1px solid var(--rd-rule);
  padding: 7px 10px;
  text-align: left;
}

.reader-article th {
  background: var(--rd-surface);
  color: var(--rd-head);
}

/* Footer: sign-off and related posts */
.reader-footer {
  margin-top: 3em;
  padding-top: 1.4em;
  border-top: 1px solid var(--rd-rule);
  font-size: 0.9em;
  color: var(--rd-soft);
}

.reader-related {
  margin-top: 1.6em;
  font-family: var(--rd-sans);
  font-size: 15px;
}

.reader-related h2 {
  font: 600 12px var(--rd-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--rd-soft);
  margin: 0 0 10px;
}

.reader-related a {
  display: block;
  padding: 6px 0;
  color: var(--rd-link);
  text-decoration: none;
}

.reader-related a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .reader-article {
    font-size: 17px;
    line-height: 1.66;
  }

  .reader-article h1 {
    font-size: 1.75em;
  }
}