/* =========================================================
   Latent Space Studio — research detail (long-form post)
   Shared by Research-0XX.html article pages.
   ========================================================= */

/* Back link above the title */
.doc-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 -28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  transition: color 150ms var(--ease-spatial), gap 150ms var(--ease-spatial);
}
.doc-back:hover { color: #fff; gap: 12px; }

/* The header reuses .page-head but the post is a single column */
.doc-head {
  grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
}

/* Meta strip beneath the header */
.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  padding: 26px 0;
  border-bottom: 1px solid var(--color-border-soft);
}
.doc-meta-item {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.doc-meta-item small {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--color-text-tertiary);
}
.doc-meta-item span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.88);
}
.doc-meta-item .chip { height: 20px; }

/* Body: centred reading measure */
.doc-body {
  max-width: 70ch;
  margin: 0 auto;
}

.doc-section {
  padding: 44px 0;
  border-bottom: 1px solid var(--color-border-soft);
}
.doc-section:last-of-type { border-bottom: none; }

.doc-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-violet-text);
  margin-bottom: 18px;
}

.doc-section h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 24px;
  letter-spacing: -0.015em;
  color: #fff;
  margin-bottom: 18px;
}

.doc-section p {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.68;
  color: var(--color-text-secondary);
  text-wrap: pretty;
}
.doc-section p + p { margin-top: 16px; }
.doc-section p strong { color: rgba(255, 255, 255, 0.92); font-weight: 500; }
.doc-section p em {
  font-family: var(--font-serif);
  font-style: italic;
  color: rgba(255, 255, 255, 0.82);
}
.doc-section a {
  color: var(--color-violet-text);
  border-bottom: 1px solid var(--color-violet-border);
  transition: color 150ms var(--ease-spatial), border-color 150ms var(--ease-spatial);
}
.doc-section a:hover { color: #fff; border-color: rgba(255, 255, 255, 0.6); }

/* Lead paragraph (abstract) is a touch larger */
.doc-lead-para {
  font-size: 18px !important;
  line-height: 1.6 !important;
  color: rgba(255, 255, 255, 0.86) !important;
}

/* Numbered method steps */
.doc-steps {
  list-style: none;
  counter-reset: step;
  margin-top: 20px;
}
.doc-steps li {
  position: relative;
  padding: 0 0 18px 44px;
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}
.doc-steps li:last-child { padding-bottom: 0; }
.doc-steps li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-violet-text);
  border: 1px solid var(--color-violet-border);
  border-radius: 2px;
  padding: 2px 6px;
}
.doc-steps li strong { color: #fff; font-weight: 500; }

/* Inline figure */
.doc-figure {
  margin: 28px 0 4px;
  border: 1px solid var(--color-border-soft);
  background: var(--color-bg-elevated);
  padding: 24px;
}
.doc-figure svg {
  width: 100%;
  height: auto;
  display: block;
}
.doc-figure figcaption {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--color-text-secondary);
}
.doc-figure figcaption small {
  display: block;
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--color-text-tertiary);
  margin-bottom: 5px;
}

/* Reuse .pullout from journal-style quote blocks */
.doc-section .pullout {
  margin: 22px 0;
  padding: 16px 20px;
  border-left: 1px solid var(--color-violet-border);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.86);
}

/* Open-questions list */
.doc-qa {
  list-style: none;
  margin-top: 6px;
}
.doc-qa li {
  position: relative;
  padding: 16px 0 16px 40px;
  border-bottom: 1px solid var(--color-border-soft);
  font-family: var(--font-sans);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--color-text-secondary);
}
.doc-qa li:last-child { border-bottom: none; }
.doc-qa li span {
  position: absolute;
  left: 0; top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-violet-text);
  border: 1px solid var(--color-violet-border);
  border-radius: 50%;
  width: 22px; height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Crosslinks block */
.doc-crosslinks {
  padding: 44px 0 0;
}
.doc-links {
  display: grid;
  gap: 10px;
  margin-top: 6px;
}
.doc-link {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid var(--color-border-soft);
  border-radius: 2px;
  transition: background 200ms var(--ease-spatial), border-color 200ms var(--ease-spatial);
}
.doc-link:hover {
  background: var(--color-violet-soft);
  border-color: var(--color-violet-border);
}
.doc-link-ref {
  flex: 0 0 64px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}
.doc-link-name {
  font-family: var(--font-sans);
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.85);
}
.doc-link:hover .doc-link-name { color: #fff; }

@media (max-width: 880px) {
  .doc-back { margin-bottom: -20px; }
  .doc-head { grid-template-columns: 1fr; }
  .doc-meta { gap: 14px 28px; }
  .doc-section { padding: 34px 0; }
  .doc-section h2 { font-size: 21px; }
  .doc-section p { font-size: 15.5px; }
  .doc-lead-para { font-size: 16.5px !important; }
  .doc-link { flex-direction: column; gap: 6px; }
}