@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─────────────────────────────────────────────────────────
   clarc Design Tokens — Blueprint System
   Primary: hsl(216°) · Accent: hsl(162°) · Neutral: 216°-tinted
   Mirrors docs/brand/tokens.css (canonical source)
───────────────────────────────────────────────────────── */
:root {
  /* ── Blueprint Primary (216°) ── */
  --color-primary-50:  hsl(216, 80%, 96%);
  --color-primary-100: hsl(216, 80%, 91%);
  --color-primary-200: hsl(216, 80%, 80%);
  --color-primary-300: hsl(216, 80%, 66%);
  --color-primary-400: hsl(216, 80%, 54%);
  --color-primary-500: hsl(216, 80%, 40%);
  --color-primary-600: hsl(216, 80%, 30%);
  --color-primary-700: hsl(216, 80%, 22%);
  --color-primary-900: hsl(216, 80%,  8%);

  /* ── Phosphor Accent (162°) ── */
  --color-accent-300: hsl(162, 60%, 58%);
  --color-accent-400: hsl(162, 60%, 46%);
  --color-accent-500: hsl(162, 60%, 38%);
  --color-accent-600: hsl(162, 65%, 28%);

  /* ── Blueprint Neutral ── */
  --color-neutral-0:   hsl(0, 0%, 100%);
  --color-neutral-50:  hsl(216, 20%, 97%);
  --color-neutral-100: hsl(216, 16%, 93%);
  --color-neutral-200: hsl(216, 14%, 85%);
  --color-neutral-300: hsl(216, 12%, 72%);
  --color-neutral-400: hsl(216, 10%, 56%);
  --color-neutral-500: hsl(216,  9%, 42%);
  --color-neutral-600: hsl(216,  9%, 30%);
  --color-neutral-700: hsl(216, 10%, 20%);
  --color-neutral-800: hsl(216, 12%, 13%);
  --color-neutral-900: hsl(216, 14%,  8%);
  --color-neutral-950: hsl(216, 16%,  5%);

  /* ── Typography ── */
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:    'Geist Mono', 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  /* ── Type scale — Major Third (x1.25), root 16px ── */
  --text-xs:   0.64rem;
  --text-sm:   0.8rem;
  --text-base: 1rem;
  --text-lg:   1.25rem;
  --text-xl:   1.563rem;
  --text-2xl:  1.953rem;
  --text-3xl:  2.441rem;
  --text-4xl:  3.052rem;
  --text-5xl:  3.815rem;

  /* ── Border radius ── */
  --radius-sm:   0.125rem;
  --radius-md:   0.25rem;
  --radius-lg:   0.5rem;
  --radius-full: 9999px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--color-neutral-950); color: var(--color-neutral-200); font-family: var(--font-body); line-height: 1.6; }
a { text-decoration: none; }
a:hover { text-decoration: none; }

/* ── Focus ── */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ── Layout ── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

/* ── Nav ── */
header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-neutral-950); border-bottom: 1px solid var(--color-neutral-800);
  height: 52px; display: flex; align-items: center;
}
header .container { width: 100%; }
.nav { display: flex; align-items: center; height: 52px; }
.nav-brand {
  font-family: var(--font-display); font-size: 18px; font-weight: 600;
  letter-spacing: -0.02em; color: var(--color-neutral-50);
  margin-right: auto;
}
.nav-links { display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font-family: var(--font-body); font-size: 13px; color: var(--color-neutral-400);
  padding: 12px 10px; border-radius: var(--radius-sm); transition: color 100ms;
}
.nav-links a:hover { color: var(--color-neutral-100); }
.nav-links a.active { color: var(--color-primary-300); border-bottom: 2px solid var(--color-primary-500); }
.nav-github {
  font-family: var(--font-body); font-size: 13px; color: var(--color-primary-300);
  margin-left: 16px; padding-left: 16px; border-left: 1px solid var(--color-neutral-800);
}
.nav-github:hover { color: var(--color-primary-200); }

/* ── Hero ── */
.hero-section { background: var(--color-neutral-950); padding: 80px 0 64px; text-align: center; }
.hero-eyebrow {
  font-family: var(--font-body); font-size: var(--text-sm); text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-neutral-400); margin-bottom: 20px;
}
.hero-title {
  font-family: var(--font-display); font-size: var(--text-4xl); font-weight: 700;
  letter-spacing: -0.03em; color: var(--color-neutral-50);
  max-width: 680px; margin: 0 auto 16px; line-height: 1.1;
}
.hero-title .accent { color: var(--color-primary-300); }
.hero-sub {
  font-family: var(--font-body); font-size: var(--text-lg); color: var(--color-neutral-400);
  max-width: 520px; margin: 0 auto 32px; line-height: 1.6;
}
.install-cmd {
  background: var(--color-neutral-900); border: 1px solid var(--color-neutral-700); border-radius: var(--radius-sm);
  padding: 14px 20px; font-family: var(--font-mono); font-size: 14px; color: var(--color-neutral-100);
  display: flex; align-items: center; gap: 12px;
  max-width: 460px; margin: 0 auto;
}
.install-prompt { color: var(--color-accent-400); user-select: none; }
.copy-btn {
  font-family: var(--font-body); font-size: var(--text-sm); color: var(--color-neutral-500);
  background: none; border: none; cursor: pointer; margin-left: auto;
  padding: 8px 12px; min-height: 44px; border-radius: var(--radius-sm); transition: color 100ms;
}
.copy-btn:hover { color: var(--color-neutral-300); }
.stats-row {
  display: flex; justify-content: center; gap: 0; margin-top: 32px;
}
.stat-block {
  text-align: center; padding: 0 40px;
  border-right: 1px solid var(--color-neutral-800);
}
.stat-block:last-child { border-right: none; }
.stat-num {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700;
  color: var(--color-primary-300); line-height: 1; letter-spacing: -0.02em;
}
.stat-label {
  font-family: var(--font-body); font-size: var(--text-sm); text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--color-neutral-400); margin-top: 4px;
}
.hero-cta { display: flex; gap: 12px; justify-content: center; margin-top: 28px; }
.btn-primary {
  background: var(--color-primary-500); color: var(--color-neutral-0); padding: 10px 24px;
  border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 13px; font-weight: 500;
  transition: background 100ms;
}
.btn-primary:hover { background: var(--color-primary-600); }
.btn-ghost-hero {
  border: 1px solid var(--color-neutral-700); color: var(--color-neutral-400); padding: 10px 24px;
  border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 13px;
  transition: border-color 100ms, color 100ms;
}
.btn-ghost-hero:hover { border-color: var(--color-neutral-500); color: var(--color-neutral-200); }

/* ── Concept section ── */
.concept-section { background: var(--color-neutral-900); padding: 80px 0; }
.concept-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
}
.section-eyebrow {
  font-family: var(--font-body); font-size: var(--text-sm); text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-neutral-400); margin-bottom: 12px;
}
.concept-text h2 {
  font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 600;
  color: var(--color-neutral-50); line-height: 1.2; margin-bottom: 32px;
}
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.feature-list li { display: flex; gap: 12px; }
.feature-arrow { color: var(--color-primary-300); font-size: 14px; line-height: 1.6; flex-shrink: 0; }
.feature-title { font-family: var(--font-body); font-size: 14px; font-weight: 600; color: var(--color-neutral-100); }
.feature-desc { font-family: var(--font-body); font-size: 13px; color: var(--color-neutral-300); line-height: 1.6; }

/* ── Terminal ── */
.terminal {
  background: var(--color-neutral-950); border: 1px solid var(--color-neutral-800); border-radius: var(--radius-lg);
  padding: 20px; font-family: var(--font-mono); font-size: 12.5px; color: var(--color-neutral-200); line-height: 1.7;
}
.t-bar {
  display: flex; gap: 6px; align-items: center;
  margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--color-neutral-800);
}
.t-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--color-neutral-700); display: inline-block; }
.t-dot:nth-child(1) { background: #ff5f57; }
.t-dot:nth-child(2) { background: #febc2e; }
.t-dot:nth-child(3) { background: #28c840; }
.t-title { color: var(--color-neutral-400); font-size: 11px; margin-left: 8px; }
.t-line { margin: 2px 0; }
.t-prompt { color: var(--color-accent-400); margin-right: 6px; }
.t-cmd { color: var(--color-neutral-100); }
.t-out { color: var(--color-neutral-400); margin: 1px 0; }
.t-ok { color: var(--color-accent-300); }
.t-blue { color: var(--color-primary-300); }

/* ── Catalog section ── */
.catalog-section { background: var(--color-neutral-50); padding: 80px 0; }
.catalog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.catalog-card {
  background: var(--color-neutral-0); border: 1px solid var(--color-neutral-200); border-radius: var(--radius-lg);
  padding: 32px 28px; display: flex; flex-direction: column; gap: 8px;
  transition: border-color 150ms, box-shadow 150ms;
}
.catalog-card:hover {
  border-color: var(--color-primary-500);
  box-shadow: 0 1px 3px hsla(216, 20%, 10%, 0.06);
}
.catalog-count {
  font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700;
  color: var(--color-primary-500); line-height: 1; letter-spacing: -0.02em;
}
.catalog-name { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; color: var(--color-neutral-900); }
.catalog-desc { font-family: var(--font-body); font-size: 13px; color: var(--color-neutral-600); line-height: 1.6; flex: 1; }
.catalog-link { font-family: var(--font-body); font-size: 13px; font-weight: 500; color: var(--color-primary-500); margin-top: 8px; }

/* ── Featured agents ── */
.featured-section { background: var(--color-neutral-50); padding: 64px 0; border-top: 1px solid var(--color-neutral-200); }
.section-header { display: flex; align-items: baseline; margin-bottom: 32px; }
.section-title { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600; color: var(--color-neutral-900); }
.section-link { font-family: var(--font-body); font-size: 13px; color: var(--color-primary-500); margin-left: auto; }
.section-link:hover { text-decoration: underline; }

/* ── CTA section ── */
.cta-section {
  background: var(--color-neutral-900); padding: 64px 0; text-align: center;
}
.cta-section h2 {
  font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600;
  color: var(--color-neutral-100); max-width: 400px; margin: 0 auto 12px;
}
.cta-sub { font-family: var(--font-body); font-size: 14px; color: var(--color-neutral-300); margin-bottom: 24px; }
.variants-row {
  display: flex; gap: 16px; justify-content: center; margin-top: 16px;
  font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-neutral-300);
}

/* ── Footer ── */
footer {
  background: var(--color-neutral-950); border-top: 1px solid var(--color-neutral-800); padding: 24px 0;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
}
.footer-brand { display: flex; align-items: center; }
.footer-logo {
  font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--color-neutral-300);
}
.footer-version {
  font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-neutral-500); margin-left: 8px;
}
.footer-links { display: flex; gap: 20px; }
.footer-links a {
  font-family: var(--font-body); font-size: 12px; color: var(--color-neutral-400); transition: color 100ms;
}
.footer-links a:hover { color: var(--color-neutral-200); }

/* ── Page header (catalog pages) ── */
.page-header { background: var(--color-neutral-950); padding: 40px 0 32px; }
.breadcrumb {
  font-family: var(--font-body); font-size: 11px; color: var(--color-neutral-600); margin-bottom: 12px;
}
.breadcrumb a { color: var(--color-neutral-600); }
.breadcrumb a:hover { color: var(--color-neutral-400); }
.page-title {
  font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 700; color: var(--color-neutral-50); display: inline;
}
.page-count {
  font-family: var(--font-body); font-size: 14px; color: var(--color-neutral-500); margin-left: 12px;
}
.page-desc {
  font-family: var(--font-body); font-size: 14px; color: var(--color-neutral-400);
  margin-top: 8px; max-width: 480px; line-height: 1.6;
}

/* ── Search ── */
.search-section {
  background: var(--color-neutral-0); border-bottom: 1px solid var(--color-neutral-100); padding: 12px 0;
}
.search-wrap { position: relative; }
.search-input {
  width: 100%; padding: 12px 16px 12px 40px;
  background: var(--color-neutral-50); border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 14px; color: var(--color-neutral-800);
  outline: none; transition: border-color 100ms, background 100ms, box-shadow 100ms;
}
.search-input:focus-visible {
  border-color: var(--color-primary-500); background: var(--color-neutral-0);
  box-shadow: 0 0 0 2px var(--color-primary-500);
  outline: none;
}
.search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--color-neutral-400); pointer-events: none;
}
.search-kbd {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-neutral-500);
  border: 1px solid var(--color-neutral-200); padding: 1px 5px; border-radius: var(--radius-sm);
}

/* ── Filter tabs ── */
.filter-section {
  background: var(--color-neutral-0); border-bottom: 1px solid var(--color-neutral-100); padding: 0;
}
.filter-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.filter-tabs {
  display: flex; gap: 4px; padding: 10px 0; min-width: max-content;
}
.filter-btn {
  border: 1px solid var(--color-neutral-200); background: transparent; color: var(--color-neutral-500);
  font-family: var(--font-body); font-size: 12px; padding: 10px 14px; min-height: 44px; border-radius: var(--radius-sm);
  cursor: pointer; transition: border-color 100ms, color 100ms;
  white-space: nowrap;
}
.filter-btn:hover { border-color: var(--color-neutral-400); color: var(--color-neutral-700); }
.filter-btn.active {
  border-color: var(--color-primary-500); color: var(--color-primary-500); background: var(--color-primary-50);
}
.count-badge { color: var(--color-neutral-400); }

/* ── Grid ── */
.grid-section { background: var(--color-neutral-50); padding: 24px 0 64px; }
.grid-meta {
  font-family: var(--font-body); font-size: 12px; color: var(--color-neutral-400);
  margin-bottom: 16px; display: flex; align-items: center;
}
.grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}

/* ── Cards ── */
.card {
  background: var(--color-neutral-0); border: 1px solid var(--color-neutral-200); border-radius: var(--radius-lg);
  padding: 20px; display: flex; flex-direction: column; gap: 8px;
  transition: border-color 150ms;
}
.card:hover { border-color: var(--color-primary-500); }
.card.hidden { display: none; }
.card-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 8px;
}
.card-name {
  font-family: var(--font-mono); font-size: 15px; font-weight: 600; color: var(--color-neutral-900);
  word-break: break-all;
}
.card-slash {
  font-family: var(--font-mono); font-size: 15px; font-weight: 700;
  color: var(--color-primary-500); letter-spacing: -0.02em;
}
.card-desc {
  font-family: var(--font-body); font-size: 13px; color: var(--color-neutral-600); line-height: 1.6; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  overflow-wrap: break-word; word-break: break-word;
}
.card-pills {
  display: flex; flex-wrap: wrap; gap: 4px; align-items: center; margin-top: 2px;
}
.deps-label { font-family: var(--font-body); font-size: 12px; color: var(--color-neutral-400); margin-right: 2px; }
.skill-pill {
  background: var(--color-primary-50); border: 1px solid var(--color-primary-200); color: var(--color-primary-600);
  font-family: var(--font-body); font-size: 12px; padding: 2px 7px; border-radius: var(--radius-sm);
}
.agent-pill {
  background: hsl(162, 60%, 95%); border: 1px solid hsl(162, 60%, 74%); color: var(--color-accent-600);
  font-family: var(--font-body); font-size: 12px; padding: 2px 7px; border-radius: var(--radius-sm);
}
.pill-more {
  background: var(--color-neutral-100); border: 1px solid var(--color-neutral-200); color: var(--color-neutral-500);
  font-family: var(--font-body); font-size: 12px; padding: 2px 7px; border-radius: var(--radius-sm);
}
.card-footer {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: auto; padding-top: 12px; border-top: 1px solid var(--color-neutral-100);
}
.model-badge {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  display: flex; align-items: center; gap: 4px;
}
.model-badge.sonnet { color: var(--color-accent-500); }
.model-badge.opus   { color: hsl(38, 90%, 44%); }
.model-badge.haiku  { color: hsl(260, 60%, 55%); }
.model-badge .dot {
  width: 6px; height: 6px; border-radius: 50%;
  display: inline-block; background: currentColor;
}
.source-btn {
  font-family: var(--font-body); font-size: 12px; color: var(--color-neutral-400);
  border: 1px solid var(--color-neutral-200); padding: 3px 10px; border-radius: var(--radius-sm);
  min-height: 44px; display: inline-flex; align-items: center;
  transition: color 100ms, border-color 100ms;
}
.source-btn:hover { color: var(--color-neutral-700); border-color: var(--color-neutral-400); }
.skill-tag { font-family: var(--font-body); font-size: 12px; color: var(--color-neutral-400); }
.cmd-chip {
  font-family: var(--font-mono); font-size: 12px; color: var(--color-neutral-400);
  background: var(--color-neutral-100); padding: 2px 6px; border-radius: var(--radius-sm);
}

/* ── Category badges ── */
.badge {
  font-family: var(--font-body); font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: var(--radius-sm); letter-spacing: 0.04em;
  white-space: nowrap; flex-shrink: 0;
}
.cat-b     { background: hsl(216, 80%, 91%); color: hsl(216, 80%, 30%); }
.cat-g     { background: hsl(142, 55%, 90%); color: hsl(142, 58%, 28%); }
.cat-amber { background: hsl(38,  90%, 92%); color: hsl(38,  75%, 30%); }
.cat-teal  { background: hsl(175, 55%, 88%); color: hsl(175, 60%, 26%); }
.cat-v     { background: hsl(262, 60%, 92%); color: hsl(262, 55%, 38%); }
.cat-r     { background: hsl(4,   80%, 92%); color: hsl(4,   78%, 35%); }
.cat-o     { background: hsl(16,  85%, 92%); color: hsl(16,  80%, 32%); }
.cat-y     { background: hsl(45,  90%, 88%); color: hsl(45,  70%, 28%); }
.cat-p     { background: hsl(318, 55%, 90%); color: hsl(318, 52%, 35%); }
.cat-n     { background: hsl(216, 16%, 93%); color: hsl(216,  9%, 30%); }

/* ── No results ── */
.no-results { padding: 64px 0; text-align: center; }
.no-results-icon { font-size: 40px; color: var(--color-neutral-300); }
.no-results h3 {
  font-family: var(--font-display); font-size: 16px; font-weight: 600;
  color: var(--color-neutral-600); margin-top: 12px; margin-bottom: 6px;
}
.no-results p { font-family: var(--font-body); font-size: 13px; color: var(--color-neutral-400); }
.clear-search {
  font-family: var(--font-body); font-size: 12px; color: var(--color-primary-500);
  background: none; border: none; cursor: pointer; margin-top: 8px; padding: 0;
}
.clear-search:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .catalog-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.2rem; }
  .concept-grid { grid-template-columns: 1fr; }
  .concept-terminal { order: -1; }
  .nav-links { overflow-x: auto; -webkit-overflow-scrolling: touch; gap: 2px; }
  .stats-row { flex-wrap: wrap; }
  .stat-block { min-width: 33%; }
}

/* ── Doc layout ── */
.doc-layout-wrapper { background: var(--color-neutral-950); padding: 0 0 80px; }
.doc-layout {
  display: grid; grid-template-columns: 220px 1fr; gap: 48px; padding: 40px 0; align-items: start;
}
.doc-sidebar { position: sticky; top: 72px; display: flex; flex-direction: column; gap: 28px; }
.doc-nav-label, .toc-label {
  font-family: var(--font-body); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-neutral-500); margin-bottom: 6px; display: block;
}
.doc-nav ul, .doc-toc ul { list-style: none; }
.doc-nav li { margin: 1px 0; }
.doc-toc li { margin: 3px 0; }
.doc-nav a {
  font-family: var(--font-body); font-size: 13px; color: var(--color-neutral-400);
  padding: 5px 8px; border-radius: var(--radius-sm); display: block;
  transition: color 100ms, background 100ms;
}
.doc-nav a:hover { color: var(--color-neutral-200); background: hsla(216, 80%, 50%, 0.08); }
.doc-nav a.active { color: var(--color-primary-300); background: hsla(216, 80%, 40%, 0.12); }
.doc-toc a {
  font-family: var(--font-body); font-size: 12px; color: var(--color-neutral-500);
  padding: 3px 8px; display: block; border-radius: var(--radius-sm);
  transition: color 100ms;
}
.doc-toc a:hover { color: var(--color-neutral-300); }
.toc-item.toc-level-3 a { padding-left: 20px; font-size: 11px; }

/* Doc content typography */
.doc-content { min-width: 0; color: var(--color-neutral-300); }
.doc-content h1 {
  font-family: var(--font-display); font-size: var(--text-3xl); font-weight: 700;
  color: var(--color-neutral-50); letter-spacing: -0.03em; line-height: 1.2; margin-bottom: 24px;
}
.doc-content h2 {
  font-family: var(--font-display); font-size: var(--text-xl); font-weight: 600;
  color: var(--color-neutral-100); letter-spacing: -0.02em;
  margin-top: 48px; margin-bottom: 14px;
  padding-bottom: 8px; border-bottom: 1px solid var(--color-neutral-800);
}
.doc-content h3 {
  font-family: var(--font-display); font-size: var(--text-lg); font-weight: 600;
  color: var(--color-neutral-200); margin-top: 32px; margin-bottom: 10px;
}
.doc-content h4, .doc-content h5, .doc-content h6 {
  font-family: var(--font-body); font-size: 14px; font-weight: 600;
  color: var(--color-neutral-300); margin-top: 24px; margin-bottom: 8px;
}
.doc-content p { font-family: var(--font-body); font-size: 14px; line-height: 1.75; margin-bottom: 16px; }
.doc-content ul, .doc-content ol {
  font-family: var(--font-body); font-size: 14px; line-height: 1.75;
  padding-left: 24px; margin-bottom: 16px;
}
.doc-content li { margin: 4px 0; }
.doc-content code {
  font-family: var(--font-mono); font-size: 12.5px;
  background: var(--color-neutral-800); color: var(--color-accent-300);
  padding: 1px 5px; border-radius: var(--radius-sm);
}
.doc-content pre {
  background: var(--color-neutral-900); border: 1px solid var(--color-neutral-800);
  border-radius: var(--radius-lg); padding: 20px; margin-bottom: 20px; overflow-x: auto;
}
.doc-content pre code {
  background: none; color: var(--color-neutral-200); font-size: 13px; padding: 0; border-radius: 0;
}
.doc-content blockquote {
  border-left: 3px solid var(--color-primary-500); padding-left: 16px;
  margin: 20px 0; color: var(--color-neutral-400); font-style: italic;
}
.doc-content table {
  width: 100%; border-collapse: collapse;
  font-family: var(--font-body); font-size: 13px; margin-bottom: 24px;
}
.doc-content th {
  background: var(--color-neutral-800); color: var(--color-neutral-200);
  font-weight: 600; padding: 8px 12px; text-align: left;
  border-bottom: 2px solid var(--color-neutral-700);
}
.doc-content td {
  padding: 8px 12px; border-bottom: 1px solid var(--color-neutral-800); vertical-align: top;
}
.doc-content tr:hover td { background: hsla(216, 20%, 100%, 0.02); }
.doc-content a { color: var(--color-primary-300); }
.doc-content a:hover { text-decoration: underline; }
.doc-content strong { color: var(--color-neutral-100); font-weight: 600; }
.doc-content em { font-style: italic; }
.doc-content hr { border: none; border-top: 1px solid var(--color-neutral-800); margin: 32px 0; }

/* Doc landing page */
.doc-landing-section { background: var(--color-neutral-950); padding: 40px 0 80px; }
.doc-landing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.doc-landing-card {
  background: var(--color-neutral-900); border: 1px solid var(--color-neutral-800);
  border-radius: var(--radius-lg); padding: 24px;
  display: flex; flex-direction: column; gap: 8px; transition: border-color 150ms;
}
.doc-landing-card:hover { border-color: var(--color-primary-500); }
.doc-landing-title {
  font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--color-neutral-100);
}
.doc-landing-desc { font-family: var(--font-body); font-size: 13px; color: var(--color-neutral-400); line-height: 1.6; }

/* Diagrams */
.diagram {
  margin: 28px 0; border: 1px solid var(--color-neutral-800); border-radius: var(--radius-lg);
  overflow: hidden; background: var(--color-neutral-900);
}
.diagram img { display: block; width: 100%; height: auto; }
.diagram figcaption {
  font-family: var(--font-body); font-size: 12px; color: var(--color-neutral-500);
  text-align: center; padding: 8px 16px; border-top: 1px solid var(--color-neutral-800);
}

/* Responsive: doc */
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; padding: 24px 0; }
  .doc-sidebar { position: static; }
}
@media (max-width: 640px) {
  .doc-landing-grid { grid-template-columns: 1fr; }
}