/* ─── Docs & Guide pages — builds on style.css tokens ─── */

.subpage-main { padding-top: 66px; }

/* Breadcrumb */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 20px 0 0;
}
.breadcrumb a { color: var(--text-muted); transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { color: var(--text-secondary); }

/* Page hero */
.subpage-hero {
  padding: 14px 0 18px;
  border-bottom: 1px solid var(--bg-border);
}
.subpage-hero .section-label { margin-bottom: 9px; }
.subpage-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin-bottom: 11px;
}
.subpage-hero p.lead {
  font-size: 1.02rem;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.5;
}

/* ─── DOCS LAYOUT (sidebar + content) ─── */
.docs-shell {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 48px;
  padding: 22px 0 56px;
}
.docs-toc {
  position: sticky;
  top: 86px;
  align-self: start;
  font-size: 0.83rem;
}
.docs-toc-title {
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 9px;
}
.docs-toc ul { display: flex; flex-direction: column; gap: 0; }
.docs-toc a {
  display: block;
  padding: 4px 12px;
  border-left: 2px solid var(--bg-border);
  color: var(--text-secondary);
  transition: var(--transition);
}
.docs-toc a:hover { color: var(--accent); border-left-color: var(--accent); background: var(--accent-glow); }

/* ─── PROSE (shared by docs + guide) ─── */
.prose { max-width: 768px; min-width: 0; color: var(--text-secondary); font-size: 0.98rem; }
/* Prose sections manage their own rhythm via heading margins — don't inherit the
   large landing `section { padding }`, which otherwise leaves huge gaps between them. */
.prose > section { scroll-margin-top: 84px; padding: 0; margin: 0 0 44px; }
.prose > section:last-child { margin-bottom: 0; }
.prose h2 {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin: 22px 0 9px;
  line-height: 1.2;
}
.prose h2:first-child { margin-top: 0; }
.prose h3 {
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 16px 0 6px;
}
.prose p { margin-bottom: 9px; line-height: 1.55; }
.prose ul, .prose ol { margin: 0 0 11px 0; padding-left: 0; list-style: none; }
.prose ul li, .prose ol li {
  position: relative;
  padding-left: 23px;
  margin-bottom: 4px;
  line-height: 1.5;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 5px; top: 9px;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--text-muted);
}
.prose ol { counter-reset: li; }
.prose ol li::before {
  counter-increment: li;
  content: counter(li);
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
}
.prose strong { color: var(--text-primary); font-weight: 600; }
.prose a.inline { color: var(--accent); border-bottom: 1px solid var(--accent-container); }
.prose a.inline:hover { border-bottom-color: var(--accent); }

/* Callout */
.callout {
  border: 1px solid var(--bg-border);
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin: 14px 0;
  font-size: 0.9rem;
  line-height: 1.5;
}
.callout strong { color: var(--accent); }

/* Spec list (key/value technical facts) */
.spec {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2px 18px;
  margin: 12px 0 14px;
  font-size: 0.9rem;
}
.spec dt { color: var(--text-primary); font-weight: 600; padding: 5px 0; }
.spec dd { color: var(--text-secondary); padding: 5px 0; border-bottom: 1px solid var(--bg-border); }
.spec dt { border-bottom: 1px solid var(--bg-border); }

/* Step cards */
.doc-steps { display: flex; flex-direction: column; gap: 8px; margin: 14px 0; }
.doc-step {
  display: flex;
  gap: 13px;
  padding: 12px 15px;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
}
.doc-step-num {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 1px solid var(--bg-border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
}
.doc-step h4 { color: var(--text-primary); font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; }
.doc-step p { font-size: 0.87rem; margin: 0; line-height: 1.45; }
.doc-step .meta { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-muted); margin-top: 3px; display: inline-block; }

/* Table (wrapped for horizontal scroll on small screens) */
.table-wrap { overflow-x: auto; margin: 14px 0; }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.86rem; min-width: 460px; }
.prose th, .prose td {
  text-align: left;
  padding: 8px 13px;
  border-bottom: 1px solid var(--bg-border);
  vertical-align: top;
}
.prose th {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}
.prose td strong { color: var(--text-primary); }

/* Code block */
.code-snippet {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  margin: 12px 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  overflow-x: auto;
  line-height: 1.6;
}
.code-snippet .c-key { color: var(--accent); }
.code-snippet .c-dim { color: var(--text-muted); }

/* Article (guide) — centered single column */
.article { max-width: 768px; margin: 0 auto; padding: 22px 0 8px; }

/* CTA band */
.subpage-cta {
  border-top: 1px solid var(--bg-border);
  padding: 40px 0 56px;
  text-align: center;
  margin-top: 8px;
}
.subpage-cta h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 9px;
}
.subpage-cta p { color: var(--text-secondary); margin-bottom: 18px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 880px) {
  .docs-shell { grid-template-columns: 1fr; gap: 0; padding-top: 20px; }
  .docs-toc { display: none; }
}
@media (max-width: 600px) {
  .subpage-main { padding-top: 60px; }
  .container { padding: 0 18px; }
  .subpage-hero { padding: 12px 0 16px; }
  .subpage-hero p.lead { font-size: 0.97rem; }
  .prose { font-size: 0.95rem; }
  .prose h2 { font-size: 1.3rem; margin-top: 24px; }
  .spec { grid-template-columns: 1fr; gap: 0; }
  .spec dt { border-bottom: none; padding-bottom: 0; }
  .spec dd { padding-top: 1px; margin-bottom: 6px; }
  .subpage-cta h2 { font-size: 1.4rem; }
}