/* ---------------------------------------------------------- */
/* Post layout — rail | article | marginalia                  */
/* ---------------------------------------------------------- */
.rail-index {
  font-size: 32px;
}
.rail-tags {
  line-height: 1.6;
}
.progress-track {
  height: 3px;
  background: #E2DBCC;
  border-radius: 2px;
}
.progress-fill {
  height: 3px;
  width: 0%;
  background: var(--accent);
  border-radius: 2px;
}
#toc-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
}
#toc-list a {
  color: var(--muted);
  border-bottom: 0;
}
#toc-list a.is-active {
  color: var(--accent);
}
@media (max-width: 767px) {
  .rail-toc {
    display: none;
  }
  .rail-progress {
    flex: 1 0 auto;
  }
  .rail-progress .progress-track {
    width: 80px;
  }
}

.plate-article {
  padding: 44px 0 60px 56px;
  min-width: 0;
}
@media (max-width: 767px) {
  .plate-article {
    padding: 30px var(--gutter) 40px;
  }
}

.article-title {
  font-size: 60px;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 18px 0 22px;
}
@media (max-width: 767px) {
  .article-title {
    font-size: 34px;
  }
}
.article-title-accent {
  font-style: italic;
  color: var(--accent);
}
.article-lede {
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0 0 26px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 0;
}

.rule-strong {
  margin: 34px 0 40px;
}

/* Post body content */
.post-body p {
  margin: 0 0 22px;
  font-size: 19px;
  line-height: 1.68;
  color: var(--ink-body);
}
.post-body > p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 76px;
  float: left;
  line-height: 0.72;
  margin: 8px 12px 0 0;
  color: var(--accent);
}
.post-body h2,
.post-body h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 34px;
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin: 46px 0 18px;
  color: var(--ink);
}
@media (max-width: 767px) {
  .post-body h2,
  .post-body h3 {
    font-size: 26px;
  }
}
.post-body code {
  font-family: var(--font-mono);
  font-size: 15px;
  background: var(--surface);
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--surface-ink);
}
.post-body pre {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 3px;
  padding: 18px;
  overflow-x: auto;
  margin: 0 0 22px;
}
.post-body pre code {
  background: none;
  padding: 0;
  color: var(--code-text);
  font-size: 14px;
  line-height: 1.75;
}
.post-body blockquote {
  margin: 44px 0;
  padding: 24px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.post-body blockquote p {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: 33px;
  line-height: 1.25;
  color: var(--ink);
  margin: 0;
}
.post-body li {
  font-size: 19px;
  line-height: 1.68;
  color: var(--ink-body);
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.article-footer-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.article-adjacent {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.article-adjacent-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-bottom: 0;
  max-width: 48%;
}
.article-adjacent-link .mono {
  color: var(--ink);
  font-size: 13px;
}

/* Marginalia */
.marginalia {
  padding: 44px 0 44px 26px;
  min-width: 0;
}
.marginalia-block {
  margin-top: 90px;
}
.marginalia-block:first-child {
  margin-top: 44px;
}
.marginalia-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-body);
}
.marginalia-index {
  color: var(--accent);
  margin-right: 8px;
}
.marginalia-note {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 17px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 12px 0 0;
}
.marginalia-requires {
  margin-top: 12px;
  font-size: 13px;
  color: var(--ink-body);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

@media (max-width: 767px) {
  .marginalia {
    padding: 0 var(--gutter) 40px;
    border-top: 1px solid var(--line);
  }
  .marginalia-block {
    margin-top: 30px;
  }
  .marginalia-block:first-child {
    margin-top: 30px;
  }
}