/* ── Retro — article page ─────────────────────────────────── */

.rt-post-main { padding-bottom: 0; }

.rt-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px 80px;
  display: grid;
  grid-template-columns: 1fr 260px;
  gap: 52px;
  align-items: start;
}
.rt-wrap--single {
  grid-template-columns: 680px;
  justify-content: center;
}
@media (max-width: 880px) {
  .rt-wrap { grid-template-columns: 1fr; padding: 0 20px 60px; }
}

/* ── Article ──────────────────────────────────────────────── */
.rt-article__header {
  padding: 40px 0 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
  border-top: 2px solid var(--fg);
}
.rt-article__title {
  font-family: var(--serif);
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0;
  color: var(--fg);
}
.rt-article__excerpt {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.6;
  color: var(--fg-2);
  font-style: italic;
  margin: 0;
}
.rt-article__byline {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--fg-3);
  padding: 12px 0 16px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

/* Cover */
.rt-article__cover {
  margin: 28px 0 32px;
  background: var(--bg-2);
}
.rt-article__cover img { width: 100%; height: auto; }
.rt-article__cover figcaption {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--fg-3);
  text-align: center;
  padding: 8px 0;
  font-style: italic;
}

/* Body */
.rt-article__content {
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.85;
  color: var(--fg);
}
.rt-article__content h2 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 2.5em 0 .6em;
  color: var(--fg);
  text-align: center;
  position: relative;
}
.rt-article__content h2::before,
.rt-article__content h2::after {
  content: " \2736 ";
  color: var(--fg-3);
  font-size: .7em;
}
.rt-article__content h3 {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  font-style: italic;
  margin: 2em 0 .5em;
  color: var(--fg);
}
.rt-article__content p { margin: 0 0 1.5em; }
.rt-article__content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.rt-article__content strong { font-weight: 700; }
.rt-article__content em { font-style: italic; }
.rt-article__content blockquote {
  margin: 2em 0;
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-style: italic;
  font-size: 1.1em;
  color: var(--fg-2);
  text-align: center;
}
.rt-article__content pre {
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 18px 20px;
  overflow-x: auto;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 14px;
  margin: 0 0 1.5em;
}
.rt-article__content code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: .875em;
  background: var(--bg-2);
  padding: 2px 5px;
  border: 1px solid var(--border);
}
.rt-article__content pre code { background: none; padding: 0; border: none; }
.rt-article__content img { margin: .5em 0 1.5em; }
.rt-article__content ul,
.rt-article__content ol { padding-left: 1.5em; margin: 0 0 1.5em; }
.rt-article__content li { margin-bottom: .5em; }
.rt-article__content hr {
  border: none;
  text-align: center;
  margin: 2.5em 0;
  color: var(--fg-3);
  font-size: 14px;
  letter-spacing: .5em;
}
.rt-article__content hr::before { content: "\2736 \2736 \2736"; }

/* Tags */
.rt-article__tags {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.rt-pill {
  font-family: var(--sans);
  padding: 4px 12px;
  border: 1px solid var(--border);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--fg-2);
  background: var(--bg);
  transition: border-color .15s, color .15s;
}
.rt-pill:hover { border-color: var(--accent); color: var(--accent); }

/* ── Sidebar ──────────────────────────────────────────────── */
.rt-sidebar { padding-top: 56px; }
@media (max-width: 880px) { .rt-sidebar { display: none; } }

/* TOC */
.rt-toc {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.rt-toc__label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.rt-toc__nav ol { list-style: none; margin: 0; padding: 0; }
.rt-toc__nav li > ol { padding-left: 12px; margin-top: 2px; }
.rt-toc__nav a {
  display: block;
  font-family: var(--serif);
  font-size: 14px;
  line-height: 1.45;
  color: var(--fg-2);
  padding: 5px 0;
  border-bottom: 1px dotted var(--border);
  transition: color .12s;
}
.rt-toc__nav a:hover { color: var(--accent); }
.rt-toc__nav a.is-active { color: var(--accent); font-style: italic; }
.rt-toc:not(:has(a)) { display: none; }

/* Sidebar label */
.rt-sidebar__label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin: 0 0 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  display: block;
}

/* Arrow list */
.rt-sidebar__list { margin: 0; }
.rt-sidebar__item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 0;
  border-bottom: 1px dotted var(--border);
  transition: opacity .15s;
}
.rt-sidebar__item:hover { opacity: .75; }
.rt-sidebar__arrow {
  font-size: 14px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
  transition: transform .15s;
}
.rt-sidebar__item:hover .rt-sidebar__arrow { transform: translateX(3px); }
.rt-sidebar__info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rt-sidebar__tag {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}
.rt-sidebar__title {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--fg);
}
.rt-sidebar__date {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--fg-3);
}

/* ── Related posts ────────────────────────────────────────── */
.rt-related { border-top: 1px solid var(--border); background: var(--bg-2); }
.rt-related__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 32px 60px;
}

/* ── Koenig classes ───────────────────────────────────────── */
.gh-content .kg-width-wide {
  margin-left: calc(50% - 50vw + 32px);
  margin-right: calc(50% - 50vw + 32px);
  max-width: calc(100vw - 64px);
}
.gh-content .kg-width-full {
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  max-width: 100vw;
}
.gh-content .kg-image { max-width: 100%; height: auto; }
.gh-content .kg-image-card { margin: 1.5em 0; }
.gh-content .kg-image-card figcaption { font-family: var(--sans); font-size: 12px; color: var(--fg-3); text-align: center; margin-top: 8px; font-style: italic; }
.gh-content .kg-gallery-container { display: flex; flex-direction: column; gap: 6px; margin: 1.5em 0; }
.gh-content .kg-gallery-row { display: flex; gap: 6px; }
.gh-content .kg-gallery-image img { width: 100%; height: 100%; object-fit: cover; }
.gh-content .kg-bookmark-card { border: 1px solid var(--border); margin: 1.5em 0; background: var(--bg-2); }
.gh-content .kg-bookmark-container { display: flex; color: inherit; }
.gh-content .kg-bookmark-content { padding: 14px; flex: 1; }
.gh-content .kg-bookmark-title { font-family: var(--serif); font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.gh-content .kg-bookmark-description { font-family: var(--sans); font-size: 13px; color: var(--fg-2); }
.gh-content .kg-bookmark-metadata { font-family: var(--sans); display: flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 12px; color: var(--fg-3); }
.gh-content .kg-bookmark-thumbnail { width: 140px; flex-shrink: 0; }
.gh-content .kg-bookmark-thumbnail img { width: 100%; height: 100%; object-fit: cover; }
.gh-content .kg-callout-card { display: flex; gap: 14px; padding: 16px 20px; background: var(--bg-2); border: 1px solid var(--border); border-left: 3px solid var(--accent); margin: 1.5em 0; }
.gh-content .kg-callout-emoji { font-size: 20px; line-height: 1.4; flex-shrink: 0; }
.gh-content .kg-video-card { margin: 1.5em 0; }
.gh-content .kg-video-card video { width: 100%; }