/* ============================================================
   Sciencemj — post pages
   Loaded on top of pages.css. Prose, code, figures and math only —
   the nav, footer and tokens come from pages.css / tokens.css.
   ============================================================ */

.post-head { padding-block: var(--s-7) var(--s-5); }
.post-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-3);
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted);
}
.post-title {
  font-family: var(--font-display); font-size: var(--text-3xl);
  font-weight: 600; letter-spacing: -0.02em; line-height: 1.2;
  margin: var(--s-3) 0 0;
}
.post-lead { margin: var(--s-4) 0 0; color: var(--ink-2); font-size: var(--text-lg); }

.post-date {
  margin: var(--s-4) 0 0;
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--muted);
}

/* Full width of .wrap on purpose, so the body lines up with the nav, the
   figures and the footer instead of leaving a gutter down the right. */
.post-body {
  border-top: var(--rule-strong);
  padding-top: var(--s-6); padding-bottom: var(--s-7);
}

/* Korean bodies break on word boundaries and want more leading. */
.post-body:lang(ko) { line-height: 1.9; word-break: keep-all; }
.post-body:lang(ko) p, .post-body:lang(ko) li { text-wrap: pretty; }

/* Flow spacing. These two must stay above the element rules below — a
   `margin: 0` shorthand further down would otherwise wipe out the margin-top. */
.post-body > * { margin: 0; }
.post-body > * + * { margin-top: var(--s-4); }

.post-body h2, .post-body h3 {
  font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em;
  margin-top: var(--s-7); margin-bottom: var(--s-3); scroll-margin-top: 72px;
}
.post-body h2 { font-size: var(--text-xl); }
.post-body h3 { font-size: var(--text-lg); color: var(--ink-2); }
.post-body a { color: var(--accent); text-underline-offset: 3px; }
.post-body ul, .post-body ol { padding-left: 1.3em; }
.post-body li + li { margin-top: var(--s-2); }
.post-body strong { font-weight: 600; color: var(--ink); }

.post-body blockquote {
  padding: var(--s-2) 0 var(--s-2) var(--s-4);
  border-left: 2px solid var(--accent); color: var(--ink-2);
}

/* ---------- Code ---------- */

.post-body code {
  font-family: var(--font-mono); font-size: 0.88em;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-xs); padding: 1px 5px;
}
.post-body pre {
  overflow-x: auto;
  background: var(--surface-2); border: 1px solid var(--border-2);
  border-radius: var(--r-sm); padding: var(--s-4);
  font-size: var(--text-sm); line-height: 1.6;
}
.post-body pre code { background: none; border: 0; padding: 0; font-size: inherit; }

/* ---------- Figures ---------- */

.post-body figure img {
  display: block; width: 100%; height: auto;
  border: 1px solid var(--border-2); border-radius: var(--r-sm);
  background: var(--surface-2);
}
.post-body figcaption {
  margin-top: var(--s-2);
  font-size: var(--text-xs); color: var(--muted); line-height: 1.5;
}

/* ---------- Tables ---------- */

.post-table-wrap { overflow-x: auto; }
.post-body table { border-collapse: collapse; width: 100%; font-size: var(--text-sm); }
.post-body th, .post-body td {
  text-align: left; padding: var(--s-2) var(--s-3);
  border-bottom: 1px solid var(--border);
}
.post-body th {
  font-family: var(--font-mono); font-size: var(--text-xs);
  text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted);
  border-bottom: var(--rule);
}

/* ---------- Math (KaTeX) ---------- */

/* Long display equations scroll instead of widening the page. */
.post-body .katex-display { overflow-x: auto; overflow-y: hidden; padding-block: var(--s-1); }
.post-body .katex { font-size: 1.04em; }

/* ---------- Footer nav ---------- */

.post-foot { border-top: var(--rule); padding-block: var(--s-5); }

@media (max-width: 640px) {
  .post-head { padding-block: var(--s-6) var(--s-4); }
  .post-title { font-size: var(--text-2xl); }
}