/* Peptide Tutorials — article / profile page layer
   Loads AFTER ../homepage/styles.css and reuses its tokens (indigo / coral / cream). */

/* ——— Breadcrumb + article header ——— */
.article-hero {
  background:
    radial-gradient(ellipse 60% 90% at 100% 0%, rgba(240, 106, 88, 0.10), transparent 55%),
    linear-gradient(165deg, var(--indigo-50) 0%, var(--cream) 70%);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 0 1.75rem;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 1rem;
  padding: 0;
  font-size: 0.8125rem;
  color: var(--muted);
}
.breadcrumb li + li::before { content: "›"; margin-right: 0.35rem; color: var(--faint); }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--coral-600); text-decoration: underline; }

.article-kicker {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--coral-600);
  margin: 0 0 0.6rem;
}
.article-kicker .pill {
  color: var(--indigo-700);
  background: var(--white);
  border: 1px solid var(--indigo-100);
  border-radius: var(--radius-pill);
  padding: 0.1rem 0.55rem;
  letter-spacing: 0.04em;
}

.article-hero h1 {
  font-size: clamp(2rem, 4.2vw, 2.7rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 0.75rem;
  max-width: 44rem;
}

.article-dek {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 44rem;
  margin: 0 0 1.1rem;
}

.byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.byline strong { color: var(--ink-2); font-weight: 600; }
.byline .placeholder { color: var(--coral-700); font-style: italic; }

/* ——— Layout ——— */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 17rem;
  gap: 2.5rem;
  padding: 2rem 0 3rem;
  align-items: start;
}

.article-body { max-width: 44rem; }

.article-body h2 {
  font-size: clamp(1.35rem, 2.4vw, 1.6rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--ink);
  margin: 2.5rem 0 0.75rem;
  scroll-margin-top: 5rem;
}
.article-body h3 {
  font-size: 1.12rem;
  color: var(--ink);
  margin: 1.6rem 0 0.4rem;
  letter-spacing: -0.01em;
}
.article-body p { margin: 0 0 1rem; }
.article-body ul, .article-body ol { padding-left: 1.3rem; margin: 0 0 1rem; }
.article-body li { margin-bottom: 0.35rem; }

/* Definition-first lead */
.lead-answer {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 1.25rem;
}

/* Entity declaration */
.entity-decl {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  font-size: 0.82rem;
  color: var(--muted);
  background: var(--white);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  margin: 0 0 1.25rem;
}
.entity-decl strong { color: var(--ink-2); }

/* Callouts */
.callout {
  border-radius: var(--radius-sm);
  padding: 0.95rem 1.1rem;
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.55;
  border: 1px solid var(--border);
  background: var(--white);
}
.callout p:last-child { margin-bottom: 0; }
.callout-title {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.callout-ymyl { background: var(--warn-bg); border-color: var(--warn-border); color: var(--warn-ink); }
.callout-ymyl .callout-title { color: var(--warn-ink); }
.callout-ymyl a { color: var(--warn-ink); font-weight: 600; }
.callout-status { background: var(--indigo-50); border-color: var(--indigo-100); }
.callout-status .callout-title { color: var(--indigo-700); }
.callout-note { background: var(--coral-50); border-color: #f6cfc8; }
.callout-note .callout-title { color: var(--coral-700); }

/* TL;DR */
.tldr {
  background: var(--white);
  border: 1px solid var(--border);
  border-left: 4px solid var(--coral-500);
  border-radius: var(--radius-sm);
  padding: 1rem 1.15rem 0.6rem;
  margin: 0 0 1.75rem;
  box-shadow: var(--shadow);
}
.tldr h2 {
  font-size: 0.75rem !important;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--coral-600) !important;
  margin: 0 0 0.5rem !important;
}
.tldr ul { margin-bottom: 0.4rem; }
.tldr li { font-size: 0.97rem; }

/* Evidence labels */
.ev {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 4px;
  padding: 0.05rem 0.4rem;
  vertical-align: 0.1em;
  white-space: nowrap;
}
.ev-animal { background: #fdf0d8; color: #7a5410; }
.ev-cell { background: #ece9f8; color: var(--indigo-700); }
.ev-human { background: #e3f1e8; color: #23603b; }
.ev-none { background: #f1ece6; color: var(--muted); }
.ev-folk { background: var(--coral-50); color: var(--coral-700); }

/* Tables */
.table-wrap { overflow-x: auto; margin: 0 0 1.25rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--white); }
table.data { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
table.data caption { text-align: left; padding: 0.7rem 0.9rem 0; font-size: 0.8rem; color: var(--muted); caption-side: top; }
table.data th, table.data td { padding: 0.65rem 0.9rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border-soft); }
table.data thead th { background: var(--indigo-50); color: var(--indigo-900); font-size: 0.78rem; letter-spacing: 0.03em; text-transform: uppercase; }
table.data tbody tr:last-child td, table.data tbody tr:last-child th { border-bottom: none; }
table.data tbody th { color: var(--ink); font-weight: 650; }

/* Related link cards (reuse lab-card look) */
.link-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin: 0 0 1.25rem; padding: 0; list-style: none; }
.link-cards li { margin: 0; }
.link-cards a {
  display: block; height: 100%;
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 0.85rem 1rem; text-decoration: none; color: inherit;
  transition: border-color 0.15s, background 0.15s;
}
.link-cards a:hover { border-color: var(--indigo-700); background: var(--indigo-50); color: inherit; }
.link-cards .lab-cat { display: block; margin-bottom: 0.2rem; }
.link-cards strong { display: block; color: var(--ink); font-size: 0.98rem; }
.link-cards span.desc { display: block; font-size: 0.82rem; color: var(--muted); line-height: 1.4; margin-top: 0.15rem; }

/* FAQ */
.faq { margin: 0 0 1.5rem; }
.faq details {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 0.6rem;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 0.85rem 2.4rem 0.85rem 1rem;
  font-weight: 650;
  color: var(--ink);
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 1rem; top: 0.7rem;
  font-size: 1.2rem; color: var(--coral-600); font-weight: 600;
}
.faq details[open] summary::after { content: "–"; }
.faq details > p { margin: 0; padding: 0 1rem 1rem; font-size: 0.97rem; }

/* Sources */
.sources {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem 0.5rem;
  font-size: 0.9rem;
}
.sources ol { padding-left: 1.2rem; }
.sources li { margin-bottom: 0.65rem; }
.sources .src-type { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--indigo-700); margin-right: 0.3rem; }
.sources .verify { color: var(--coral-700); font-style: italic; }
.sources-note { font-size: 0.82rem; color: var(--muted); }

/* Review / byline box at bottom */
.review-box {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem;
  background: var(--cream-2); border-radius: var(--radius-sm);
  padding: 1rem 1.15rem; margin: 1.5rem 0; font-size: 0.86rem;
}
.review-box dt { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.review-box dd { margin: 0.15rem 0 0; color: var(--ink-2); }
.review-box .placeholder { color: var(--coral-700); font-style: italic; }

.page-disclaimer {
  border-top: 1px solid var(--border);
  margin-top: 1.5rem; padding-top: 1rem;
  font-size: 0.85rem; color: var(--muted);
}

/* Sidebar */
.article-aside { position: sticky; top: 5rem; display: grid; gap: 1rem; }
.toc, .aside-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 1rem 1.05rem; font-size: 0.87rem;
}
.toc h2, .aside-card h2 {
  font-size: 0.7rem; letter-spacing: 0.07em; text-transform: uppercase; color: var(--coral-600);
  margin: 0 0 0.55rem;
}
.toc ol { margin: 0; padding-left: 1.1rem; }
.toc li { margin-bottom: 0.3rem; }
.toc a { color: var(--ink-2); text-decoration: none; }
.toc a:hover { color: var(--coral-600); text-decoration: underline; }
.aside-card p { margin: 0 0 0.5rem; color: var(--muted); }
.aside-card ul { margin: 0; padding-left: 1rem; }
.aside-card li { margin-bottom: 0.25rem; }
.aside-card .no-sell { color: var(--coral-700); background: var(--coral-50); border-color: #f6cfc8; }

/* Facts list (profile quick facts) */
.facts { margin: 0; display: grid; gap: 0.5rem; }
.facts div { display: grid; gap: 0.05rem; }
.facts dt { font-size: 0.68rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--faint); }
.facts dd { margin: 0; color: var(--ink-2); }

@media (max-width: 960px) {
  .article-layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .article-aside { position: static; order: -1; }
  .article-aside .toc { display: none; }
  .review-box { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .link-cards { grid-template-columns: 1fr; }
}

/* Curiosity / AI gap — questions TOC */
ol.questions-answered {
  margin: 0.6rem 0 1.4rem;
  padding-left: 1.25rem;
}
ol.questions-answered li {
  margin: 0.35rem 0;
  font-size: 0.97rem;
}

/* build_site.py: links to not-yet-published pages render as plain text */
.link-planned{border-bottom:1px dotted currentColor;cursor:help}
.link-cards span.link-planned{display:block;height:100%;padding:0.85rem 1rem;border:1px dashed var(--border);border-radius:var(--radius-sm);opacity:0.7}
.link-cards span.link-planned::after{content:'Coming soon';display:block;font-size:0.75rem;margin-top:0.3rem;color:var(--muted)}