:root {
  --bg: #fafafa;
  --bg-elev: #ffffff;
  --bg-soft: #f4f5f7;
  --fg: #0f172a;
  --fg-muted: #475569;
  --fg-soft: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --on-accent: #ffffff;
  /* H3/H4 navigational headings — readable on both light and dark backgrounds. */
  --subsection-fg: #1e40af;
  --table-row-hover: var(--bg-soft);
  --warn-bg: #fffbeb;
  --warn-border: #fde68a;
  --warn-edge: #f59e0b;
  --warn-fg: #78350f;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 10px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  --bg: #0b0e14;
  --bg-elev: #131822;
  --bg-soft: #1a2030;
  --fg: #e6e9ef;
  --fg-muted: #a3aec0;
  --fg-soft: #7a8699;
  --border: #1f2937;
  --border-strong: #334155;
  --accent: #60a5fa;
  --accent-soft: rgba(96, 165, 250, 0.13);
  --on-accent: #0b1220;
  --subsection-fg: #93c5fd;
  --table-row-hover: rgba(255, 255, 255, 0.04);
  --warn-bg: rgba(245, 158, 11, 0.10);
  --warn-border: rgba(245, 158, 11, 0.35);
  --warn-edge: #f59e0b;
  --warn-fg: #fcd34d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25), 0 1px 3px rgba(0, 0, 0, 0.18);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.32), 0 2px 4px rgba(0, 0, 0, 0.22);
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Sticky footer: short pages (About, Privacy) keep the footer at the
     bottom of the viewport instead of floating up under the content. */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
body > main {
  flex: 1 0 auto;
  /* main is itself a flex column so direct children (the home hero) can
     flex-grow to fill the viewport without relying on brittle calc()
     values that drift when the header / footer height changes. */
  display: flex;
  flex-direction: column;
}
/* Outline focus ring for keyboard users (mouse clicks suppress it via
   :focus-visible). Applies globally so every link, button, input, summary
   element gets a consistent ring without per-component CSS. */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}
/* Skip-to-main: visually hidden until focused. The first Tab on any page
   lands here so keyboard / screen-reader users can jump past the header
   and nav straight to <main>. */
.skip-link {
  position: absolute;
  left: 0.5rem;
  top: -3rem;
  background: var(--accent);
  color: var(--on-accent);
  padding: 0.55rem 0.9rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  z-index: 1000;
  transition: top 120ms ease;
}
.skip-link:focus, .skip-link:focus-visible { top: 0.5rem; outline: none; }
main:focus { outline: none; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  margin: 0 0 0.5em;
  line-height: 1.25;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--fg);
}

code {
  font-family: var(--font-mono);
  font-size: 0.92em;
  background: var(--bg-soft);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.container-narrow { max-width: 760px; }
.container-wide { max-width: 1320px; }

/* ─── Header ─────────────────────────────────────────────── */
.site-header {
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  height: 60px;
}

/* ─── Header search (non-home pages) ─── */
.header-search {
  position: relative;
  flex: 1 1 240px;
  max-width: 340px;
  min-width: 160px;
  margin-left: auto;
  margin-right: 0.5rem;
}
.header-search-icon {
  position: absolute;
  left: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-soft);
  font-size: 0.95rem;
  pointer-events: none;
}
.header-search input {
  width: 100%;
  height: 32px;
  padding: 0 0.7rem 0 1.85rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
  font: inherit;
  font-size: 0.85rem;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.header-search input::placeholder {
  color: var(--fg-soft);
}
.header-search input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.header-search-results[hidden] { display: none; }
.header-search-results {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.10);
  z-index: 100;
  max-height: 70vh;
  overflow-y: auto;
  padding: 0.25rem 0;
}
.hs-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.45rem 0.7rem;
  color: var(--fg);
  font-size: 0.88rem;
  text-decoration: none;
  border-radius: 0;
}
.hs-result:hover,
.hs-result-active {
  background: var(--bg-soft);
  text-decoration: none;
}
.hs-result-active { box-shadow: inset 2px 0 0 var(--accent); }
.hs-result-name {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.hs-result-cat {
  flex: 0 0 auto;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.4rem;
  border-radius: 3px;
  font-weight: 600;
}
.hs-deeper {
  display: block;
  padding: 0.5rem 0.7rem;
  margin-top: 0.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--accent);
  text-decoration: none;
}
.hs-deeper:hover { background: var(--bg-soft); text-decoration: none; }
.hs-noresult, .hs-loading {
  padding: 0.6rem 0.7rem;
  font-size: 0.82rem;
  color: var(--fg-soft);
}

.site-nav-search-link { display: none; }
@media (max-width: 720px) {
  .header-search { display: none; }
  .site-nav-search-link { display: inline-block; }
}
.site-title {
  color: var(--fg);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  /* never let the brand wrap to a second line — the nav uses flex-shrink to
     give up width before "Sugi Atlas" breaks. */
  white-space: nowrap;
  flex-shrink: 0;
}
.site-title:hover { text-decoration: none; }
.site-mark {
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 1;
}
.site-nav {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  row-gap: 0.25rem;
}
.site-nav a {
  color: var(--fg-muted);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  font-weight: 500;
}
.site-nav a:hover {
  color: var(--fg);
  background: var(--bg-soft);
  text-decoration: none;
}
.site-nav a.active {
  color: var(--accent);
  background: var(--accent-soft);
}

/* ─── Hero (home) ────────────────────────────────────────── */
.hero {
  padding: 5rem 0 3.5rem;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(37, 99, 235, 0.08), transparent 70%),
    linear-gradient(to bottom, var(--bg-elev), var(--bg));
  border-bottom: 1px solid var(--border);
}
.hero-eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
}
.hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0 0 1rem;
  max-width: 22ch;
  letter-spacing: -0.025em;
}
.hero-lead {
  font-size: 1.12rem;
  color: var(--fg-muted);
  max-width: 62ch;
  margin: 0 0 2rem;
}
.hero-cta { display: flex; gap: 0.75rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 550;
  border: 1px solid transparent;
  transition: transform 0.06s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: white;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-ghost {
  color: var(--fg-muted);
  border-color: var(--border-strong);
  background: var(--bg-elev);
}
.btn-ghost:hover { color: var(--fg); border-color: var(--fg-muted); }

/* ─── Category cards (home) ──────────────────────────────── */
.categories { padding: 4rem 0; }
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.category-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  color: var(--fg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  transition: transform 0.12s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  overflow: hidden;
}
.category-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--accent);
}
.category-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  text-decoration: none;
}
.category-card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.25rem;
}
.category-card h2 {
  margin: 0;
  font-size: 1.4rem;
}
.category-count {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.category-description {
  color: var(--fg-muted);
  margin: 0;
  font-size: 0.95rem;
}
.category-cta {
  margin-top: auto;
  padding-top: 0.5rem;
  color: var(--accent);
  font-weight: 550;
  font-size: 0.93rem;
}

/* ─── How it works ───────────────────────────────────────── */
.how {
  padding: 4rem 0;
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.how h2 {
  font-size: 1.6rem;
  margin-bottom: 2rem;
}
.how-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.how-steps li {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.step-num {
  display: inline-flex;
  width: 28px;
  height: 28px;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 50%;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
}
.how-steps h3 {
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
}
.how-steps p {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ─── Datasets strip ─────────────────────────────────────── */
.datasets { padding: 4rem 0; }
.datasets h2 { font-size: 1.6rem; margin-bottom: 0.5rem; }
.datasets-lead {
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
}
.dataset-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.dataset-list li {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

/* ─── Category page ──────────────────────────────────────── */
.cat-hero {
  padding: 3rem 0 2rem;
  background:
    radial-gradient(50% 50% at 0% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.breadcrumb {
  color: var(--fg-soft);
  font-size: 0.88rem;
  margin: 0 0 1rem;
  text-transform: none;
}
.breadcrumb a {
  color: var(--fg-soft);
}
.breadcrumb span { margin: 0 0.4em; opacity: 0.6; }
.cat-hero h1 {
  font-size: 2.25rem;
  margin: 0 0 0.5rem;
}
.cat-lead {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 70ch;
  margin: 0 0 1rem;
}
.cat-count {
  margin: 0;
  font-size: 0.92rem;
  color: var(--fg-soft);
}
.cat-count strong { color: var(--accent); font-variant-numeric: tabular-nums; }

.entity-list-section { padding: 2.5rem 0 5rem; }

.entity-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.search-box {
  position: relative;
  flex: 1;
  max-width: 380px;
  min-width: 220px;
}
.search-box input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem 0.6rem 2.25rem;
  background: var(--bg-elev);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--fg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.search-icon {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-soft);
  font-size: 1.1rem;
  pointer-events: none;
}
.result-count {
  color: var(--fg-soft);
  font-size: 0.9rem;
  margin: 0;
}

.entity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.875rem;
}
.entity-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.1rem;
  color: var(--fg);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.08s ease;
}
.entity-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transform: translateY(-1px);
}
.entity-symbol {
  margin: 0;
  font-size: 1.05rem;
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0;
  color: var(--fg);
}
.entity-summary {
  margin: 0;
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.5;
}
.entity-summary-muted { color: var(--fg-soft); font-style: italic; }
.entity-arrow {
  position: absolute;
  right: 1rem;
  top: 1rem;
  color: var(--fg-soft);
  font-size: 1rem;
  transition: color 0.15s ease, transform 0.15s ease;
}
.entity-card:hover .entity-arrow {
  color: var(--accent);
  transform: translateX(2px);
}

.no-results {
  text-align: center;
  color: var(--fg-soft);
  padding: 3rem 0;
}

.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--fg-muted);
  background: var(--bg-elev);
}
.empty-state h3 { color: var(--fg); }

/* ─── Entity page ────────────────────────────────────────── */
.entity-page { padding: 1rem 0 5rem; }

.entity-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
  padding-bottom: 0;
  border-bottom: none;
}
.entity-title {
  margin: 0;
  font-size: 2.2rem;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.01em;
  /* Long entity names (e.g. anti-NMDA receptor encephalitis) must wrap on
     narrow viewports — break at any character if a single token can't fit. */
  overflow-wrap: anywhere;
  word-break: break-word;
}
.entity-kind-badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

.entity-body { font-size: 0.95rem; }
.entity-body > p:first-of-type { font-size: 1rem; color: var(--fg); line-height: 1.6; }
.entity-body p { margin: 0.75rem 0; }

.entity-body em { color: var(--fg-soft); }
.entity-body h3 {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  color: var(--fg-muted);
  margin: 1.2rem 0 0.3rem;
}
/* H4 sub-sub-headings inside a subsection (introduced for backend's H4
   pilot — one heading per table block in crowded subsections like Drugs
   & pharmacology). Picks up the same indigo as H3 to read as the same
   navigational tier, slightly smaller. */
.entity-body h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--subsection-fg);
  margin: 1.5rem 0 0.45rem;
  letter-spacing: -0.005em;
}
.entity-body h4 a { color: inherit; }

/* Anchored entity headings — when a TOC click or deep-link lands on a
   heading, give it room so the sticky site header doesn't sit on top of
   the title. Applies to H2/H3/H4 ids whether they're rendered in the
   visible body or wrapped into a <summary>. */
.entity-page :is(h2, h3, h4)[id] { scroll-margin-top: 80px; }
.entity-body code {
  font-size: 0.86em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.entity-body a { color: var(--accent); }

/* Expand-all toggle — mounted inline into the first section's summary line
   (right-aligned via margin-left:auto). */
.atlas-section-toggle {
  margin-left: auto;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.22rem 0.6rem;
  cursor: pointer;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--fg-soft);
  font-family: inherit;
  font-weight: 600;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.atlas-section-toggle:hover {
  background: var(--bg-soft);
  border-color: var(--border-strong);
  color: var(--accent);
}

details.atlas-section {
  border-top: 1px dashed var(--border);
  margin-top: 0.4rem;
  padding: 0;
}
details.atlas-section:first-of-type { border-top: none; margin-top: 0; }
details.atlas-section:last-of-type { border-bottom: 1px dashed var(--border); }
details.atlas-section > summary.atlas-section-title {
  cursor: pointer;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  padding: 0.85rem 0.25rem 0.55rem 0.9rem;
  margin: 0.5rem 0 0;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--accent);
  border-left: 3px solid var(--accent);
  transition: color 0.12s ease, background 0.12s ease;
}
details.atlas-section > summary.atlas-section-title:hover { background: var(--accent-soft); }
details.atlas-section > summary.atlas-section-title::-webkit-details-marker { display: none; }
details.atlas-section > summary.atlas-section-title::before {
  content: "▶";
  display: inline-block;
  font-size: 0.85em;
  color: var(--accent);
  transition: transform 0.15s ease;
  width: 0.85em;
}
details.atlas-section[open] > summary.atlas-section-title::before {
  transform: rotate(90deg);
}
/* Body of an atlas-section is indented to align with the eyebrow text (past the
   3px accent bar + 0.9rem padding). */
details.atlas-section > *:not(summary) {
  padding-left: 0.9rem;
}
details.atlas-section > *:not(summary) {
  margin-left: 1.45rem;
}
details.atlas-section > *:last-child { margin-bottom: 1.25rem; }

.table-wrapper {
  margin: 1rem 0 1.5rem;
  margin-left: 1.45rem;
  position: relative;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
}
details.atlas-section .table-wrapper { margin-left: 0; }
.table-actions {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.table-wrapper:hover .table-actions { opacity: 1; }
.table-copy-btn {
  font-size: 0.75rem;
  padding: 0.25rem 0.55rem;
  cursor: pointer;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--bg-elev);
  color: var(--fg-muted);
  font-family: inherit;
}
.table-copy-btn:hover { background: var(--bg-soft); color: var(--fg); }

.entity-body table {
  border-collapse: collapse;
  width: 100%;
  margin: 0;
  font-size: 0.88rem;
}
.entity-body th, .entity-body td {
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.85rem;
  text-align: left;
  vertical-align: top;
}
.entity-body th {
  background: var(--bg-soft);
  font-weight: 600;
  color: var(--fg);
  border-bottom: 1px solid var(--border-strong);
  position: sticky;
  top: 0;
}
.entity-body tr:hover td { background: var(--bg-soft); }
.entity-body tr:last-child td { border-bottom: none; }

/* ─── Footer ─────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-elev);
  padding: 1rem 0;
  color: var(--fg-muted);
  font-size: 0.88rem;
  margin-top: 0;
}
.site-footer p { margin: 0.25rem 0; text-align: center; }
.site-footer-links { font-size: 0.85rem; color: var(--fg-soft); }
.site-footer-links a { color: var(--fg-muted); }
.site-footer-links a:hover { color: var(--accent); }
.footer-meta { color: var(--fg-soft); font-size: 0.83rem; }

@media (max-width: 600px) {
  .site-nav a { padding: 0.4rem 0.55rem; font-size: 0.88rem; }
  .hero { padding: 3rem 0 2rem; }
  .categories, .how, .datasets { padding: 2.5rem 0; }
  .entity-controls { flex-direction: column; align-items: stretch; }
  .search-box { max-width: none; }
}

/* ─── V3 ─ Search-first ───────────────────────────────────── */
.hero-v3 {
  position: relative;
  padding: 3rem 0 2.5rem;
  background: linear-gradient(to bottom, #0f172a, #1e293b);
  color: #f1f5f9;
  overflow: hidden;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  /* main is a flex column, so the hero grows to fill the remaining
     viewport height after header + footer. No calc() required. */
  flex: 1 0 auto;
}
.hero-v3-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  pointer-events: none;
}
.hero-v3-content { position: relative; z-index: 1; max-width: 980px; }
.hero-v3-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  color: #93c5fd;
  margin: 0 0 1rem;
  font-weight: 600;
}
.hero-v3-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  margin: 0 0 0.85rem;
  color: #fff;
}
.hero-v3-sub {
  font-size: 1rem;
  color: #cbd5e1;
  margin: 0 0 2.25rem;
  max-width: 80ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}

.hero-v3-searchbox {
  position: relative;
  background: #fff;
  border-radius: 12px;
  padding: 0.25rem 0.25rem 0.25rem 3.25rem;
  display: flex;
  align-items: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.05);
  max-width: 600px;
  margin: 0 auto;
}
.hero-v3-searchbox:focus-within {
  box-shadow: 0 10px 40px rgba(37, 99, 235, 0.35), 0 0 0 3px rgba(37, 99, 235, 0.4);
}
.search-icon-large {
  position: absolute;
  left: 1.1rem;
  font-size: 1.4rem;
  color: var(--fg-soft);
  pointer-events: none;
}
#v3-search {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 0.95rem 0;
  font-size: 1rem;
  color: var(--fg);
  font-family: inherit;
}
#v3-search::placeholder { color: var(--fg-soft); }
.hero-v3-searchbox kbd {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--fg-soft);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-right: 0.5rem;
}

.hero-v3-results {
  max-width: 600px;
  margin: 0.5rem auto 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
  padding: 0.4rem;
  text-align: left;
}
.v3-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.85rem;
  color: var(--fg);
  border-radius: 6px;
}
.v3-result:hover,
.v3-result-active { background: var(--bg-soft); text-decoration: none; }
.v3-result-active { box-shadow: inset 2px 0 0 var(--accent); }
.v3-result-name { font-family: var(--font-mono); font-weight: 600; }
.v3-result-cat {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-weight: 600;
}
.v3-noresult {
  padding: 0.85rem;
  font-size: 0.88rem;
  color: var(--fg-soft);
  text-align: center;
}

.hero-v3-chips-label {
  margin: 2.5rem 0 0.8rem;
  font-size: 0.8rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.hero-v3-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}
.v3-chip {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #e2e8f0;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  transition: all 0.15s ease;
}
.v3-chip:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  text-decoration: none;
  transform: translateY(-1px);
}
.v3-chip-gene { color: #93c5fd; }
.v3-chip-drug { color: #86efac; }
.v3-chip-disease { color: #fca5a5; }

.hero-v3-stats {
  margin-top: 2.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
}
.v3-stat {
  color: #cbd5e1;
}
.v3-stat strong {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 1.1rem;
}
.v3-stat:hover { color: #fff; text-decoration: none; }
.v3-stat-sep { color: #475569; }

@media (max-width: 600px) {
  .hero-v3 { padding: 4rem 0; }
}

/* ─── Site nav grouping ──────────────────────────────────── */
.site-nav { align-items: center; }
.site-nav-group { display: inline-flex; gap: 0.15rem; }
.site-nav-divider {
  display: inline-block;
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 0.85rem;
}

/* ─── V3 ─ Two-axis (Reference + Reports) ────────────────── */
.v3-axes {
  background: linear-gradient(to bottom, #1e293b, #0f172a);
  padding: 0 0 5rem;
  color: #cbd5e1;
}
.v3-axes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  padding-top: 3.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
@media (max-width: 880px) {
  .v3-axes-grid { grid-template-columns: 1fr; }
}
/* solo layout — used when Reports column is hidden (see atlas-home/list.html) */
.v3-axes-grid--solo {
  grid-template-columns: 1fr;
  max-width: 720px;
  margin: 0 auto;
}

.v3-axis-head { margin-bottom: 1.5rem; }
.v3-axis-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: #64748b;
}
.v3-axis-reference .v3-axis-eyebrow { color: #60a5fa; }
.v3-axis-reports .v3-axis-eyebrow { color: #c4b5fd; }
.v3-axis-head h2 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
  color: #f1f5f9;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.v3-axis-desc {
  font-size: 0.92rem;
  color: #94a3b8;
  margin: 0;
  line-height: 1.55;
  max-width: 50ch;
}

.v3-axis-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.v3-cat-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 0.4rem;
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: #e2e8f0;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.08s ease;
  position: relative;
}
.v3-cat-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.2);
  text-decoration: none;
  transform: translateY(-1px);
}
.v3-cat-name { font-weight: 550; font-size: 0.95rem; }
.v3-cat-count {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  color: #cbd5e1;
}
.v3-cat-arrow {
  position: absolute;
  bottom: 0.55rem;
  right: 0.95rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.3);
  transition: transform 0.15s ease, color 0.15s ease;
}
.v3-cat-card:hover .v3-cat-arrow { color: #fff; transform: translateX(2px); }
.v3-cat-gene { border-left: 3px solid #60a5fa; }
.v3-cat-drug { border-left: 3px solid #4ade80; }
.v3-cat-disease { border-left: 3px solid #f87171; }
.v3-cat-card-soon {
  opacity: 0.45;
  cursor: default;
  border-style: dashed;
}
.v3-cat-card-soon:hover { transform: none; background: rgba(255, 255, 255, 0.04); }
.v3-cat-soon {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #64748b;
}

.v3-axis-reports-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.v3-report-row {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid #a78bfa;
  border-radius: 8px;
  padding: 0.85rem 1rem;
  color: #e2e8f0;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.v3-report-row:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.2);
  border-left-color: #c4b5fd;
  text-decoration: none;
}
.v3-report-row-meta {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  font-size: 0.74rem;
  margin-bottom: 0.4rem;
}
.v3-report-kind {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: #c4b5fd;
}
.v3-report-date { color: #64748b; }
.v3-report-row-title {
  font-size: 0.96rem;
  font-weight: 550;
  color: #f1f5f9;
  line-height: 1.4;
  margin-bottom: 0.45rem;
}
.v3-report-row-entities {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}
.v3-report-row-entities > span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(167, 139, 250, 0.12);
  color: #c4b5fd;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
}
.v3-report-all {
  align-self: flex-start;
  margin-top: 0.3rem;
  font-size: 0.85rem;
  color: #c4b5fd;
  font-weight: 500;
}
.v3-report-all:hover { color: #ddd6fe; }

/* report category chip + search result color */
.v3-chip-report { color: #c4b5fd; }
.v3-result-cat.v3-chip-report {
  background: rgba(167, 139, 250, 0.12);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.68rem;
}

/* ─── /atlas/reports/ list page ──────────────────────────── */
.reports-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 880px;
}
.report-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid #7c3aed;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  color: var(--fg);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.08s ease;
}
.report-card:hover {
  border-color: #7c3aed;
  box-shadow: var(--shadow-md);
  text-decoration: none;
  transform: translateY(-1px);
}
.report-card-head {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.78rem;
  margin-bottom: 0.5rem;
}
.report-kind {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: #7c3aed;
  background: #f3eaff;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}
.report-date, .report-time {
  color: var(--fg-soft);
}
.report-title {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.report-summary {
  margin: 0 0 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
.report-entities {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}
.report-entities-label {
  font-size: 0.78rem;
  color: var(--fg-soft);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 0.2rem;
}
.report-entity-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: #f3eaff;
  color: #6d28d9;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  font-weight: 500;
}

/* ─── individual report page ─────────────────────────────── */
.report-page { padding: 2.5rem 0 5rem; }
.report-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1.75rem;
  margin-bottom: 2rem;
}
.report-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.78rem;
  margin-bottom: 0.85rem;
  color: var(--fg-soft);
}
.report-page-title {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 1rem;
}
.report-page-summary {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.65;
  margin: 0 0 1.25rem;
  max-width: 70ch;
}
.report-body { font-size: 1rem; }
.report-body h2 {
  font-size: 1.3rem;
  margin: 2rem 0 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.report-body p { line-height: 1.7; color: var(--fg); }


/* ─── Entity page footer ─────────────────────────────────── */
.entity-footer {
  margin-top: 3rem;
  padding: 2rem 0 1rem;
  border-top: 2px solid var(--border);
}
.entity-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 2.5rem;
}
@media (max-width: 760px) {
  .entity-footer-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}
.entity-footer h3 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.entity-footer p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 1rem;
}
.count-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
}

.entity-footer-meta {
  margin: 0;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem 1rem;
  font-size: 0.85rem;
}
.entity-footer-meta > div {
  display: contents;
}
.entity-footer-meta dt {
  color: var(--fg-soft);
  font-weight: 500;
}
.entity-footer-meta dd {
  margin: 0;
  color: var(--fg);
}
.entity-footer-meta code {
  font-size: 0.82em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.05em 0.4em;
  border-radius: 4px;
}

.datasets-blurb { margin-bottom: 0.85rem; }
.datasets-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.dataset-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--fg-muted);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.dataset-chip:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── About page ─────────────────────────────────────────── */
.about-page { padding: 2.5rem 0 5rem; }
.about-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.about-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.025em;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}
.about-tagline {
  margin: 0;
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.55;
}

.about-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--fg);
}
.about-body p {
  margin: 0 0 1.1rem;
  color: var(--fg);
}
.about-body p:has(+ ul), .about-body p:has(+ ol) { margin-bottom: 0.5rem; }
.about-body strong { font-weight: 600; }
.about-body h2 {
  font-size: 1.4rem;
  margin: 2.5rem 0 0.85rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  letter-spacing: -0.015em;
  font-weight: 650;
}
.about-body h2:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}
.about-body h3 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.5rem;
  font-weight: 600;
}
.about-body ul, .about-body ol {
  margin: 0.4rem 0 1.1rem;
  padding-left: 1.4rem;
}
.about-body li { margin-bottom: 0.5rem; }
.about-body li > strong:first-child { color: var(--fg); }
.about-body li > p { margin: 0.25rem 0; }

.about-body a { color: var(--accent); }
.about-body a:hover { text-decoration: underline; }

.about-body pre {
  background: #0f172a;
  color: #cbd5e1;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.55;
  margin: 1rem 0 1.5rem;
}
.about-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.about-body :not(pre) > code {
  font-size: 0.86em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.05em 0.4em;
  border-radius: 4px;
}

/* ─── Theme toggle ───────────────────────────────────────── */
.theme-toggle {
  margin-left: 0.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.theme-toggle:hover {
  background: var(--bg-soft);
  color: var(--fg);
  border-color: var(--border);
}
.theme-icon { width: 18px; height: 18px; display: block; }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ─── Dark-theme refinements ─────────────────────────────── */

/* Buttons — use --on-accent so contrast survives the inversion */
.btn-primary { color: var(--on-accent); }
[data-theme="dark"] .btn-primary:hover { background: #93c5fd; }

/* Active nav pill — softer bg in dark */
[data-theme="dark"] .site-nav a.active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Hero (V0) — radial-gradient tint already uses rgba accent, but tune for dark */
[data-theme="dark"] .hero {
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(96, 165, 250, 0.10), transparent 70%),
    linear-gradient(to bottom, var(--bg-elev), var(--bg));
}

/* Table row hover — use the themed var */
.entity-body tr:hover td { background: var(--table-row-hover); }

/* Entity body code/inline — themed */
.entity-body code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--fg);
}

/* "Iteration 1" raw notice (unused now but theme-safe) */
.raw-notice {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-left: 3px solid var(--warn-edge);
  color: var(--warn-fg);
}

/* Report card (light:purple-accent) — dark needs lighter purple chip bg */
[data-theme="dark"] .report-card { border-left-color: #a78bfa; }
[data-theme="dark"] .report-kind {
  background: rgba(167, 139, 250, 0.15);
  color: #c4b5fd;
}
[data-theme="dark"] .report-entity-pill {
  background: rgba(167, 139, 250, 0.15);
  color: #c4b5fd;
}

/* Atlas-section caret colours — themed */
details.atlas-section > summary.atlas-section-title:hover { color: var(--accent); }

/* About-page dark code block already dark — keep, but slightly different bg vs page */
[data-theme="dark"] .about-body pre {
  background: #06090f;
  color: #cbd5e1;
}


/* Site footer — soft elevation in dark */
[data-theme="dark"] .site-footer { background: var(--bg-elev); color: var(--fg-muted); }
[data-theme="dark"] .site-footer .footer-meta { color: var(--fg-soft); }

/* Dataset chip in dark — already uses --bg-elev & --border; just confirm hover */
[data-theme="dark"] .dataset-chip:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* Site header — backdrop-blur over translucent bg-elev */
[data-theme="dark"] .site-header { background: rgba(19, 24, 34, 0.85); }

/* Search box inside the dark V3 hero — text already dark; works in both themes */

/* Empty / no-results — themed muted bg */
[data-theme="dark"] .empty-state {
  background: var(--bg-elev);
  border-color: var(--border);
}

/* ─── V3 hero · light-mode variants ──────────────────────── */
/* All variants are LIGHT-MODE ONLY. In dark mode the hero stays dark. */

/* L1 — Clean white */
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3 {
  background: var(--bg-elev);
  color: var(--fg);
  border-bottom: 1px solid var(--border);
}
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3-dots {
  background-image: radial-gradient(rgba(15, 23, 42, 0.08) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at center, black 25%, transparent 75%);
  opacity: 0.7;
}
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3-eyebrow { color: var(--accent); }
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3-title { color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3-sub { color: var(--fg-muted); }
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3-searchbox {
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), 0 6px 24px rgba(15, 23, 42, 0.07), 0 0 0 1px var(--border);
}
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3-searchbox:focus-within {
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.18), 0 0 0 2px var(--accent);
}
html:not([data-theme="dark"]) body[data-hero-light="1"] .hero-v3-chips-label { color: var(--fg-soft); }
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-chip {
  background: var(--bg);
  border-color: var(--border);
  color: var(--fg-muted);
}
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-chip:hover { background: var(--bg-soft); color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-chip-gene { color: #1d4ed8; border-color: #bfdbfe; background: #eff6ff; }
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-chip-drug { color: #166534; border-color: #bbf7d0; background: #f0fdf4; }
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-chip-disease { color: #b91c1c; border-color: #fecaca; background: #fef2f2; }
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-stat { color: var(--fg-muted); }
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-stat strong { color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="1"] .v3-stat-sep { color: var(--border-strong); }

/* L2 — Soft tinted (radial accent + faint slate grid) */
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3 {
  background:
    radial-gradient(70% 55% at 50% 0%, rgba(37, 99, 235, 0.08), transparent 65%),
    linear-gradient(to bottom, #fbfcfe, #f6f8fc);
  color: var(--fg);
  border-bottom: 1px solid var(--border);
}
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3-dots {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 65%);
  opacity: 1;
}
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3-eyebrow { color: var(--accent); }
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3-title { color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3-sub { color: var(--fg-muted); }
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3-searchbox {
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.10), 0 0 0 1px var(--border);
}
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3-searchbox:focus-within {
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.20), 0 0 0 2px var(--accent);
}
html:not([data-theme="dark"]) body[data-hero-light="2"] .hero-v3-chips-label { color: var(--fg-soft); }
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-chip {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--border);
  color: var(--fg-muted);
  backdrop-filter: blur(4px);
}
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-chip:hover { background: #fff; color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-chip-gene { color: #1d4ed8; }
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-chip-drug { color: #166534; }
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-chip-disease { color: #b91c1c; }
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-stat { color: var(--fg-muted); }
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-stat strong { color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="2"] .v3-stat-sep { color: var(--border-strong); }

/* L3 — Gradient title (white bg, accent→violet gradient on second line) */
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3 {
  background: linear-gradient(to bottom, #ffffff, #fafbfd);
  color: var(--fg);
  border-bottom: 1px solid var(--border);
  padding-top: 7rem;
  padding-bottom: 6rem;
}
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-dots { display: none; }
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-eyebrow { color: var(--accent); }
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-title {
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  line-height: 1.05;
  color: var(--fg);
}
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-title::after {
  content: " Find it.";
  background: linear-gradient(135deg, var(--accent) 0%, #7c3aed 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline;
}
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-sub { color: var(--fg-muted); }
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-searchbox {
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.05), 0 14px 40px rgba(37, 99, 235, 0.10);
  border: 1px solid var(--border);
}
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-searchbox:focus-within {
  box-shadow: 0 14px 40px rgba(124, 58, 237, 0.18), 0 0 0 2px #7c3aed;
}
html:not([data-theme="dark"]) body[data-hero-light="3"] .hero-v3-chips-label { color: var(--fg-soft); }
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-chip {
  background: var(--bg);
  border-color: var(--border);
  color: var(--fg-muted);
}
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-chip:hover { background: var(--bg-soft); color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-chip-gene { color: #1d4ed8; }
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-chip-drug { color: #166534; }
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-chip-disease { color: #b91c1c; }
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-stat { color: var(--fg-muted); }
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-stat strong { color: var(--fg); }
html:not([data-theme="dark"]) body[data-hero-light="3"] .v3-stat-sep { color: var(--border-strong); }

/* ─── Hero variant switcher (dev) ────────────────────────── */
.hero-switcher[hidden] { display: none; }
.hero-switcher {
  position: sticky;
  bottom: 1rem;
  z-index: 8;
  margin: 0 auto;
  width: max-content;
  max-width: calc(100vw - 2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.75rem;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(6px);
  font-size: 0.78rem;
}
.hero-switcher-label {
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  padding: 0 0.4rem 0 0.2rem;
}
.hero-switcher button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #cbd5e1;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.hero-switcher button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}
.hero-switcher button.active {
  background: #fff;
  color: #0f172a;
  border-color: #fff;
  font-weight: 600;
}
/* hide switcher in dark mode — variants are light-only */
[data-theme="dark"] .hero-switcher { display: none; }

/* ═══ DEFAULT LIGHT-MODE HERO + REFERENCE (L2 — soft tinted) ════ */
/* In dark mode these are not applied; the hero/axes keep their dark portal look. */

html:not([data-theme="dark"]) .hero-v3 {
  background:
    radial-gradient(70% 55% at 50% 0%, rgba(37, 99, 235, 0.08), transparent 65%),
    linear-gradient(to bottom, #fbfcfe, #f6f8fc);
  color: var(--fg);
  border-bottom: 1px solid var(--border);
}
html:not([data-theme="dark"]) .hero-v3-dots {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 65%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, black 0%, transparent 65%);
  opacity: 1;
}
html:not([data-theme="dark"]) .hero-v3-eyebrow { color: var(--accent); }
html:not([data-theme="dark"]) .hero-v3-title { color: var(--fg); }
html:not([data-theme="dark"]) .hero-v3-sub { color: var(--fg-muted); }
html:not([data-theme="dark"]) .hero-v3-searchbox {
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.10), 0 0 0 1px var(--border);
}
html:not([data-theme="dark"]) .hero-v3-searchbox:focus-within {
  box-shadow: 0 8px 28px rgba(37, 99, 235, 0.20), 0 0 0 2px var(--accent);
}
html:not([data-theme="dark"]) .hero-v3-chips-label { color: var(--fg-soft); }
html:not([data-theme="dark"]) .v3-chip {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  backdrop-filter: blur(4px);
}
html:not([data-theme="dark"]) .v3-chip:hover { background: #fff; color: var(--fg); }
html:not([data-theme="dark"]) .v3-chip-gene { color: #1d4ed8; }
html:not([data-theme="dark"]) .v3-chip-drug { color: #166534; }
html:not([data-theme="dark"]) .v3-chip-disease { color: #b91c1c; }
html:not([data-theme="dark"]) .v3-stat { color: var(--fg-muted); }
html:not([data-theme="dark"]) .v3-stat strong { color: var(--fg); }
html:not([data-theme="dark"]) .v3-stat-sep { color: var(--border-strong); }

/* Reference section — light treatment to match the hero */
html:not([data-theme="dark"]) .v3-axes {
  background:
    radial-gradient(60% 45% at 50% 0%, rgba(37, 99, 235, 0.05), transparent 60%),
    linear-gradient(to bottom, #f6f8fc, #eef2f8);
  color: var(--fg);
}
html:not([data-theme="dark"]) .v3-axes-grid { border-top-color: var(--border); }
html:not([data-theme="dark"]) .v3-axis-eyebrow { color: var(--fg-soft); }
html:not([data-theme="dark"]) .v3-axis-reference .v3-axis-eyebrow { color: var(--accent); }
html:not([data-theme="dark"]) .v3-axis-reports .v3-axis-eyebrow { color: #7c3aed; }
html:not([data-theme="dark"]) .v3-axis-head h2 { color: var(--fg); }
html:not([data-theme="dark"]) .v3-axis-desc { color: var(--fg-muted); }

html:not([data-theme="dark"]) .v3-cat-card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg);
  box-shadow: var(--shadow-sm);
}
html:not([data-theme="dark"]) .v3-cat-card:hover {
  background: #fff;
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
html:not([data-theme="dark"]) .v3-cat-name { color: var(--fg); }
html:not([data-theme="dark"]) .v3-cat-count {
  background: var(--bg-soft);
  color: var(--fg-muted);
  font-weight: 600;
}
html:not([data-theme="dark"]) .v3-cat-arrow { color: var(--fg-soft); }
html:not([data-theme="dark"]) .v3-cat-card:hover .v3-cat-arrow { color: var(--accent); }

/* category accent stripes — darker shades for light bg contrast */
html:not([data-theme="dark"]) .v3-cat-gene { border-left-color: #2563eb; }
html:not([data-theme="dark"]) .v3-cat-drug { border-left-color: #16a34a; }
html:not([data-theme="dark"]) .v3-cat-disease { border-left-color: #dc2626; }

html:not([data-theme="dark"]) .v3-cat-card-soon {
  background: transparent;
  border-style: dashed;
  border-color: var(--border-strong);
  box-shadow: none;
  opacity: 0.7;
}
html:not([data-theme="dark"]) .v3-cat-card-soon:hover {
  background: transparent;
  border-color: var(--border-strong);
  box-shadow: none;
}
html:not([data-theme="dark"]) .v3-cat-card-soon .v3-cat-name { color: var(--fg-soft); }
html:not([data-theme="dark"]) .v3-cat-soon { color: var(--fg-soft); }

/* Reports rows — currently hidden but ready for re-enable */
html:not([data-theme="dark"]) .v3-report-row {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid #7c3aed;
  color: var(--fg);
  box-shadow: var(--shadow-sm);
}
html:not([data-theme="dark"]) .v3-report-row:hover {
  background: #fff;
  border-color: #7c3aed;
  border-left-color: #7c3aed;
  box-shadow: var(--shadow-md);
}
html:not([data-theme="dark"]) .v3-report-kind { color: #7c3aed; }
html:not([data-theme="dark"]) .v3-report-date { color: var(--fg-soft); }
html:not([data-theme="dark"]) .v3-report-row-title { color: var(--fg); }
html:not([data-theme="dark"]) .v3-report-row-entities > span {
  background: #f3eaff;
  color: #6d28d9;
}
html:not([data-theme="dark"]) .v3-report-all { color: #7c3aed; }

/* ═══ Entity page layout grid + TOC + nested collapse ═══ */

.entity-layout {
  display: block;
}

/* TOC: floating panel docked in the right-margin space above the content.
   Hide-/showable via the close (×) and reopen (≡) buttons. */
.entity-toc-aside {
  position: fixed;
  top: 76px;
  right: 0;
  width: 220px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 10px 0 0 10px;
  padding: 0.85rem 0.95rem 0.85rem 0.55rem;
  box-shadow: -2px 6px 20px rgba(0, 0, 0, 0.08);
  scrollbar-width: thin;
  z-index: 5;
}
.entity-toc-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0.35rem;
  right: 0.4rem;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--fg-soft);
  font-size: 1.05rem;
  line-height: 1;
  cursor: pointer;
}
.entity-toc-close:hover {
  background: var(--bg-soft);
  color: var(--fg);
}
.entity-toc-reopen { display: none; }
body.toc-collapsed .entity-toc-aside { display: none; }
body.toc-collapsed .entity-toc-reopen {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 76px;
  right: 0.5rem;
  width: 36px;
  height: 36px;
  padding: 0;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  color: var(--fg-muted);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  z-index: 5;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
body.toc-collapsed .entity-toc-reopen:hover {
  background: var(--bg-soft);
  color: var(--accent);
  border-color: var(--border-strong);
}
@media (max-width: 1100px) {
  .entity-toc-aside,
  .entity-toc-reopen { display: none !important; }
}
/* Inline mobile TOC — shown only when the floating aside is hidden. */
.entity-toc-inline { display: none; }
@media (max-width: 1100px) {
  .entity-toc-inline {
    display: block;
    margin: 0 0 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elev);
  }
  .entity-toc-inline > summary {
    cursor: pointer;
    padding: 0.6rem 0.85rem;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--fg-muted);
    list-style: none;
  }
  .entity-toc-inline > summary::-webkit-details-marker { display: none; }
  .entity-toc-inline > summary::before {
    content: "›";
    display: inline-block;
    margin-right: 0.45rem;
    transition: transform 120ms ease;
  }
  .entity-toc-inline[open] > summary::before { transform: rotate(90deg); }
  .entity-toc-inline nav {
    padding: 0.25rem 0.85rem 0.85rem;
    border-top: 1px solid var(--border);
  }
  .entity-toc-inline nav ul {
    list-style: none;
    margin: 0.4rem 0 0;
    padding-left: 1rem;
    font-size: 0.9rem;
    line-height: 1.7;
  }
  .entity-toc-inline nav > ul { padding-left: 0; }
  .entity-toc-inline nav a { color: var(--fg); }
  .entity-toc-inline nav a:hover { color: var(--accent); }
}
.entity-toc-label {
  margin: 0 0 0.6rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-soft);
  font-weight: 600;
  padding-left: 0.4rem;
}
/* Server-side TOC from Hugo: <nav id="TableOfContents"><ul>... */
.entity-toc-aside nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.entity-toc-aside nav > ul > li { margin-bottom: 0.35rem; }
/* Top-level (H2) TOC entries — main sections of the page, slightly bolder
   so the navigation reads as a hierarchy at first glance. */
.entity-toc-aside nav > ul > li > a {
  font-weight: 600;
  color: var(--fg);
}

/* ── TOC ↔ content state sync (chevron is a visual marker only) ── */
/* Chevron prepended to parent TOC entries by JS. Rotates 90° when the
   corresponding content <details> is open. NOT interactive — clicks
   pass through to the link underneath. To close a section the reader
   uses the in-content chevron on the H2/H3/H4. */
.entity-toc-aside .toc-chevron {
  display: inline-block;
  width: 0.9em;
  margin-right: 0.25rem;
  font-size: 0.7em;
  color: var(--fg-soft);
  pointer-events: none;
  transition: transform 0.15s ease;
  vertical-align: middle;
  user-select: none;
}
.entity-toc-aside nav li.toc-open > a > .toc-chevron {
  transform: rotate(90deg);
  color: var(--fg-muted);
}
/* When a TOC parent is closed, hide its nested children — keeps the TOC
   short and aligned with what's actually expanded in the page. */
.entity-toc-aside nav li.toc-closed > ul { display: none; }
.entity-toc-aside nav a {
  display: block;
  padding: 0.3rem 0.55rem;
  color: var(--fg-muted);
  border-left: 2px solid transparent;
  text-decoration: none;
  font-size: 0.86rem;
  line-height: 1.4;
  border-radius: 0 4px 4px 0;
  transition: color 0.12s ease, background 0.12s ease, border-color 0.12s ease;
}
.entity-toc-aside nav a:hover {
  color: var(--fg);
  background: var(--bg-soft);
  text-decoration: none;
}
.entity-toc-aside nav ul ul {
  margin: 0.2rem 0 0.55rem 0.6rem;
  padding-left: 0.45rem;
  border-left: 1px solid var(--border);
}
.entity-toc-aside nav ul ul a {
  font-size: 0.82rem;
  padding: 0.22rem 0.55rem;
  color: var(--fg-muted);
}
.entity-toc-aside nav ul ul a:hover { color: var(--fg); }
/* H4 sub-sub-headings (backend ships these per table — see config.toml). */
.entity-toc-aside nav ul ul ul {
  margin: 0.15rem 0 0.4rem 0.5rem;
  padding-left: 0.4rem;
  border-left: 1px dashed var(--border);
}
.entity-toc-aside nav ul ul ul a {
  font-size: 0.78rem;
  padding: 0.18rem 0.5rem;
  color: var(--fg-soft);
}
.entity-toc-aside nav ul ul ul a:hover { color: var(--fg-muted); }

/* ─── Nested subsection (H3 inside an open section) ─────── */
/* Title row carries a 3px left bar — light gray when collapsed, soft
   accent when open. The bar lives on summary (not details) so it only
   spans title height, not the full open section. */
details.atlas-subsection {
  margin: 0.9rem 0;
  padding-left: 0.85rem;
}
details.atlas-subsection > summary.atlas-subsection-title {
  cursor: pointer;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-left: -0.85rem;
  padding: 0.4rem 0 0.4rem 1.65rem;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0;
  justify-content: flex-start;
  color: var(--subsection-fg);
  background: transparent;
  border-left: 3px solid var(--border-strong);
  transition: color 0.12s ease, border-left-color 0.12s ease;
}
details.atlas-subsection[open] > summary.atlas-subsection-title {
  border-left-color: color-mix(in srgb, var(--subsection-fg) 60%, var(--bg) 40%);
}
details.atlas-subsection > summary.atlas-subsection-title:hover { color: #1e3a8a; }
details.atlas-subsection > summary::-webkit-details-marker { display: none; }
/* Click-affordance chevron — mirrors the H2 section's leading marker.
   Lives on h3::before so it sits inside the centered title group, between
   the left hairline and the title text. Rotates 90° when section opens. */
details.atlas-subsection > summary.atlas-subsection-title > h3::before {
  content: "▸";
  display: inline-block;
  margin-right: 0.45em;
  font-size: 0.95em;
  color: var(--subsection-fg);
  transition: transform 0.15s ease;
  vertical-align: middle;
  opacity: 0.9;
}
details.atlas-subsection[open] > summary.atlas-subsection-title > h3::before {
  transform: rotate(90deg);
  opacity: 1;
}
/* Flatten subsection content — paragraphs / tables align with the parent
   section's body, so pages read as one column whether a section has
   subsections or not. */
details.atlas-subsection > *:not(summary) { margin-left: 0; }
details.atlas-subsection > *:last-child { margin-bottom: 0.6rem; }
details.atlas-section > details.atlas-subsection { margin-left: 0; }
details.atlas-section > details.atlas-subsection > *:not(summary) { margin-left: 0; }

/* ─── H4 sub-sub-block (collapsible per table introduced by backend H4) ── */
/* Mirrors the H3 left-bar treatment but with a 2px bar (lighter weight)
   so the H3 → H4 hierarchy reads as one continuous left edge. Open bar
   mixes 30% subsection-fg + 70% bg so it stays out of reading view. */
details.atlas-h4block {
  margin: 0.7rem 0;
  border-left: 2px solid var(--border-strong);
  padding-left: 0.7rem;
  transition: border-left-color 0.12s ease;
}
details.atlas-h4block[open] {
  border-left-color: color-mix(in srgb, var(--subsection-fg) 30%, var(--bg) 70%);
}
/* External link note pulled out of an H4 title (e.g. UniProt's
   "full annotation on UniProt →") so the title row is purely a toggle. */
.atlas-h4-extlink {
  margin: 0.3rem 0 0.6rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
}
.atlas-h4-extlink a {
  color: var(--accent);
}
details.atlas-h4block > summary.atlas-h4block-title {
  cursor: pointer;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.2rem 0.35rem;
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--subsection-fg);
  border-radius: 4px;
  transition: background 0.12s ease, color 0.12s ease;
}
details.atlas-h4block > summary.atlas-h4block-title:hover {
  color: #1e3a8a;
  background: rgba(30, 64, 175, 0.05);
}
details.atlas-h4block > summary::-webkit-details-marker { display: none; }
/* Rotating chevron — same affordance as atlas-section / atlas-subsection */
details.atlas-h4block > summary.atlas-h4block-title::before {
  content: "▸";
  display: inline-block;
  font-size: 0.85em;
  color: var(--subsection-fg);
  transition: transform 0.15s ease;
  opacity: 0.85;
  width: 0.85em;
}
details.atlas-h4block[open] > summary.atlas-h4block-title::before {
  transform: rotate(90deg);
  opacity: 1;
}
details.atlas-h4block > *:not(summary) {
  margin-left: 0;
}


/* ─── Heading inside summary — keep real <h2>/<h3>/<h4> tags for SEO,
   neutralize their default styling so summary CSS drives the look ── */
summary.atlas-section-title > h2,
summary.atlas-subsection-title > h3,
summary.atlas-h4block-title > h4 {
  margin: 0;
  padding: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  letter-spacing: inherit;
  color: inherit;
  display: inline;
  border: none;
}
/* Hide Hugo's auto-generated heading anchor (#) inside the summary if it exists */
summary.atlas-section-title h2 a.anchor,
summary.atlas-subsection-title h3 a.anchor,
summary.atlas-h4block-title h4 a.anchor { display: none; }

/* When JS is off, H2/H3 retain their native styling — that's correct.
   Hide the .atlas-section-controls bar that JS would inject (it only exists
   in the DOM after JS runs anyway, so no rule needed). */

/* ═══ Entity header layout variants (dev: ?dev=header) ═══ */

/* H1 — Compact: tighter spacing, no border-bottom */
body[data-header="1"] .breadcrumb { margin: 0 0 0.35rem; }
body[data-header="1"] .entity-header {
  margin: 0 0 1.5rem;
  padding-bottom: 0;
  border-bottom: none;
}

/* H2 — Eyebrow — now the DEFAULT on entity pages.
   Switcher's "H2" button matches default (no body attr needed). */
.entity-page .breadcrumb {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--fg-soft);
  margin: 0 0 0.2rem;
}
.entity-page .breadcrumb a { color: var(--fg-soft); }
.entity-page .breadcrumb a:hover { color: var(--accent); }
.entity-page .breadcrumb span { margin: 0 0.35em; opacity: 0.5; }

/* H3 — Datasheet: smaller title, tight, no border */
body[data-header="3"] .breadcrumb {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
}
body[data-header="3"] .entity-header {
  margin: 0 0 1.5rem;
  padding-bottom: 0;
  border-bottom: none;
  align-items: center;
  gap: 0.6rem;
}
body[data-header="3"] .entity-title { font-size: 1.7rem; }
body[data-header="3"] .entity-kind-badge { font-size: 0.7rem; }

/* ═══ Entity-main datasheet card ═══════════════════════════════
   Lifts the content column off the page chrome with a soft elevated
   background, border, and rounded corners. Widens the surrounding
   container so the card uses more of the viewport on large screens. */
.entity-page .container-wide { max-width: 1560px; }
.entity-main {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 2rem 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  margin-left: -1rem;
  margin-right: -1rem;
}
@media (max-width: 768px) {
  .entity-main {
    margin-left: 0;
    margin-right: 0;
    padding: 0.75rem 1.25rem 1.25rem;
  }
}

/* ─── Header switcher (dev) — reuse hero-switcher visual style ─── */
.header-switcher[hidden] { display: none; }
.header-switcher {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.65rem;
  margin: 0 0 1.5rem;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  border-radius: 999px;
  font-size: 0.76rem;
  width: max-content;
  max-width: 100%;
}
.header-switcher button {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: #cbd5e1;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.header-switcher button:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
}
.header-switcher button.active {
  background: #fff;
  color: #0f172a;
  border-color: #fff;
  font-weight: 600;
}

/* ═══ Method (preprint) page ══════════════════════════════ */
.preprint-page { padding: 1.5rem 0 3rem; }
.preprint-header {
  margin: 0 0 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.preprint-title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.6rem, 2.4vw, 2rem);
  letter-spacing: -0.02em;
}
.preprint-tagline {
  font-size: 0.95rem;
  color: var(--fg-muted);
  margin: 0;
  line-height: 1.55;
}
.preprint-tagline a { color: var(--accent); }
/* Inlined preprint body — main.css (scoped to .preprint-doc) provides typography;
   this rule isolates the wrapper visually inside the atlas page so the paper
   sits on its own paper-tone band rather than blending into the chrome. */
.preprint-doc {
  margin: 1rem 0 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-wrap: break-word;
}
.preprint-doc img { max-width: 100%; height: auto; }
@media (max-width: 700px) {
  .preprint-doc { border-radius: 0; margin-left: -0.75rem; margin-right: -0.75rem; }
}

/* ═══ Data sources page ═══════════════════════════════════ */
.sources-page { padding: 1.5rem 0 5rem; }
.sources-header {
  margin: 0 0 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.sources-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.025em;
}
.sources-tagline {
  font-size: 1.05rem;
  color: var(--fg-muted);
  margin: 0;
  line-height: 1.55;
}
.sources-page h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.sources-ack {
  background: rgba(22, 163, 74, 0.06);
  border: 1px solid var(--border);
  border-left: 3px solid #16a34a;
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 0 0 2rem;
}
.sources-ack h2 { margin-top: 0; color: #16a34a; }
.sources-ack p { color: var(--fg); margin: 0; line-height: 1.6; }
[data-theme="dark"] .sources-ack { background: rgba(22, 163, 74, 0.10); }
.cite-note { font-size: 0.92rem; color: var(--fg-soft); margin: 0; }

.sources-freshness {
  background: var(--accent-soft);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 0 0 2rem;
}
.sources-freshness h2 { margin-top: 0; }
.sources-freshness p { color: var(--fg); margin: 0 0 0.6rem; line-height: 1.6; }
.sources-freshness p:last-child { margin-bottom: 0; }
.sources-freshness strong { color: var(--accent); }

/* ─── Sources table ──────────────────────────────────────── */
.sources-table-section { margin-bottom: 2.5rem; }
.sources-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  /* DO NOT use overflow:hidden here — it breaks position:sticky on <thead>. */
}
.sources-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.92rem;
  border-radius: var(--radius);
  overflow: hidden; /* keeps rounded corners against the wrapper */
}
.sources-table thead th {
  background: var(--bg-soft);
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--fg-soft);
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--border-strong);
  position: sticky;
  top: 60px;
  z-index: 2;
  box-shadow: 0 1px 0 var(--border-strong);
}
.sources-table tbody tr { border-bottom: 1px solid var(--border); }
.sources-table tbody tr:last-child { border-bottom: none; }
.sources-table tbody tr:hover { background: var(--bg-soft); }
.sources-table td {
  padding: 0.55rem 0.85rem;
  vertical-align: middle;
  color: var(--fg);
}
.src-name-cell {
  white-space: nowrap;
  font-weight: 500;
}
.src-name-cell a { color: var(--accent); text-decoration: none; font-weight: normal; }
.src-name-cell a:hover { text-decoration: underline; }
.src-ref-cell { color: var(--fg-muted); }
.src-tag {
  display: inline-block;
  margin-left: 0.45rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  vertical-align: middle;
}
.src-ref-missing { color: var(--fg-soft); font-style: italic; }
.src-date-cell { color: var(--fg-muted); white-space: nowrap; }
.src-date-cell code { font-size: 0.82em; background: var(--bg-soft); border: 1px solid var(--border); padding: 0.05em 0.4em; border-radius: 3px; }
.src-status-cell { white-space: nowrap; }

/* freshness chip with colored dot */
.freshness {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 500;
}
.freshness-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.fresh-latest { color: #166534; }
.fresh-latest .freshness-dot { background: #22c55e; box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.18); }
.fresh-recent { color: #92400e; }
.fresh-recent .freshness-dot { background: #f59e0b; box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.18); }
.fresh-old { color: var(--fg-soft); }
.fresh-old .freshness-dot { background: var(--fg-soft); }
.fresh-unknown { color: var(--fg-soft); }
.fresh-unknown .freshness-dot { background: transparent; border: 1px dashed var(--border-strong); }

[data-theme="dark"] .fresh-latest { color: #86efac; }
[data-theme="dark"] .fresh-recent { color: #fbbf24; }

.sources-legend {
  margin-top: 0.85rem;
  font-size: 0.82rem;
  color: var(--fg-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.sources-methodology { color: var(--fg-muted); }
.sources-methodology ul {
  margin: 0;
  padding-left: 1.2rem;
}
.sources-methodology li { line-height: 1.6; margin-bottom: 0.5rem; }
.sources-methodology code {
  font-size: 0.82em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.05em 0.4em;
  border-radius: 3px;
}

/* ─── Category pagination ────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin: 2.5rem 0 1rem;
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.pg-step {
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  color: var(--fg);
  font-weight: 500;
  transition: border-color 0.12s ease, background 0.12s ease, color 0.12s ease;
}
.pg-step:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.pg-disabled {
  background: transparent;
  border-color: var(--border);
  color: var(--fg-soft);
  opacity: 0.55;
  cursor: not-allowed;
}
.pg-pages {
  display: flex;
  gap: 0.15rem;
  align-items: center;
  margin: 0 0.4rem;
}
.pg-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  height: 2.1rem;
  padding: 0 0.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.pg-num:hover {
  background: var(--bg-soft);
  color: var(--fg);
  text-decoration: none;
}
.pg-current {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  border-color: var(--accent);
}
.pg-gap {
  color: var(--fg-soft);
  padding: 0 0.3rem;
}

/* ─── Category featured landing ──────────────────────────── */
.cat-featured-header {
  margin-bottom: 1.25rem;
}
.cat-featured-header h2 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.005em;
}
.cat-featured-hint {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.92rem;
}
.cat-browse-note {
  margin-top: 2.5rem;
  padding: 1rem 1.25rem;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}
.cat-browse-note strong { color: var(--fg); }

/* ─── Entity "Also known as" — bordered chips ───────────── */
.altn {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: baseline;
}
.altn-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--fg-soft);
  margin-right: 0.45rem;
}
.altn-chip {
  display: inline-block;
  vertical-align: middle;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.1rem 0.5rem;
  border-radius: 4px;
  line-height: 1.5;
  /* Long aliases (e.g. "limbic encephalitis with N-methyl-D-aspartate
     receptor antibodies") render in full — wrap at word boundaries inside
     the chip rather than ellipsis-truncate. Single long tokens with no
     spaces still break to avoid overflow. */
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ─── Pagefind result rows ───────────────────────────────── */
.v3-result {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.7rem 0.9rem;
  color: var(--fg);
  border-radius: 6px;
  transition: background 0.1s ease;
}
.v3-result:hover {
  background: var(--bg-soft);
  text-decoration: none;
}
.v3-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.v3-result-excerpt {
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.45;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.v3-result-excerpt mark {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  padding: 0 0.1em;
  border-radius: 2px;
}
.v3-noresult {
  padding: 0.85rem;
  color: var(--fg-soft);
  text-align: center;
  font-size: 0.92rem;
}

/* Exact-match pin in search results */
.v3-result-exact {
  border-left: 3px solid var(--accent);
  background: rgba(96, 165, 250, 0.04);
}
.v3-result-excerpt-pin {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--accent);
}
.v3-loading {
  padding: 0.55rem 0.9rem;
  color: var(--fg-soft);
  font-size: 0.82rem;
  font-style: italic;
}

/* ─── Home-page: alias hint + "find by topic" CTA ────────── */
.v3-result-alias {
  font-size: 0.8rem;
  color: var(--fg-soft);
  font-weight: 400;
}
.v3-deeper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0.9rem;
  border-top: 1px dashed var(--border);
  margin-top: 0.2rem;
  color: var(--accent);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: 6px;
}
.v3-deeper:hover {
  background: var(--accent-soft);
  text-decoration: none;
}
.v3-deeper-arrow {
  transition: transform 0.12s ease;
}
.v3-deeper:hover .v3-deeper-arrow {
  transform: translateX(3px);
}

/* ─── Dedicated search page (/atlas/search/) ─────────────── */
.search-page {
  padding: 1.5rem 0 5rem;
}
.search-header {
  margin: 0 0 1.75rem;
}
.search-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.025em;
}
.search-tagline {
  margin: 0;
  color: var(--fg-muted);
  font-size: 1.02rem;
  max-width: 70ch;
}

.search-box-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-elev);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 0.25rem 0.25rem 0.25rem 3.25rem;
  margin-bottom: 1.5rem;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}
.search-box-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
.search-box-wrap .search-icon-large {
  position: absolute;
  left: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-soft);
  font-size: 1.4rem;
  pointer-events: none;
}
#atlas-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 0.9rem 0;
  font-size: 1.05rem;
  color: var(--fg);
  font-family: inherit;
}
.search-box-wrap kbd {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--fg-soft);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-right: 0.6rem;
}

.search-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.search-filters {
  display: flex;
  gap: 0.3rem;
}
.search-filter {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.search-filter:hover {
  background: var(--bg-soft);
  color: var(--fg);
}
.search-filter.active {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}
.search-count {
  margin: 0;
  color: var(--fg-soft);
  font-size: 0.9rem;
}

.search-results {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.search-hit {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.1rem;
  color: var(--fg);
  transition: border-color 0.12s ease, transform 0.06s ease, box-shadow 0.12s ease;
}
.search-hit:hover {
  border-color: var(--accent);
  border-left-color: var(--accent);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.search-hit-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.3rem;
}
.search-hit-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--fg);
}
.search-hit-kind {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}
.search-hit-excerpt {
  margin: 0;
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.search-hit-excerpt mark {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  padding: 0 0.1em;
  border-radius: 2px;
}
.search-hit-altn {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: var(--fg-soft);
  font-family: var(--font-mono);
}

.search-loading, .search-empty {
  padding: 2rem 1rem;
  color: var(--fg-soft);
  text-align: center;
}
.search-loading { font-style: italic; }
.search-empty p { margin: 0.35rem 0; }
.search-hint { font-size: 0.92rem; }
.search-hint a {
  display: inline-block;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  padding: 0.15rem 0.65rem;
  border-radius: 999px;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin: 0 0.15rem;
}
.search-hint a:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

/* ─── Search-page loading state ──────────────────────────── */
.search-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  padding: 2.5rem 1rem;
  color: var(--fg-muted);
  font-size: 0.95rem;
  font-style: normal;
}
.search-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: searchSpin 0.6s linear infinite;
  flex-shrink: 0;
}
@keyframes searchSpin { to { transform: rotate(360deg); } }
.search-dots::after {
  content: '';
  display: inline-block;
  width: 1.5em;
  text-align: left;
  animation: searchDots 1.2s steps(4, end) infinite;
}
@keyframes searchDots {
  0%   { content: ''; }
  25%  { content: '.'; }
  50%  { content: '..'; }
  75%  { content: '...'; }
  100% { content: ''; }
}
@media (prefers-reduced-motion: reduce) {
  .search-spinner { animation: none; border-top-color: var(--accent); opacity: 0.6; }
  .search-dots::after { animation: none; content: '...'; }
}


/* ─── Pinned exact-match on /atlas/search/ ───────────────── */
.search-hit-pinned {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
}
.search-hit-pinned:hover {
  border-color: var(--accent);
  border-left-color: var(--accent);
}
.search-hit-pin-label {
  margin: 0.2rem 0 0;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--accent);
}

/* ─── Color-coded category nav (gene/drug/disease dot prefix) ─── */
.site-nav-group a {
  position: relative;
  padding-left: 1.6rem;
}
.site-nav-group a::before {
  content: "";
  position: absolute;
  left: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.site-nav-group a:nth-child(1)::before { background: #2563eb; }
.site-nav-group a:nth-child(2)::before { background: #16a34a; }
.site-nav-group a:nth-child(3)::before { background: #dc2626; }
.site-nav-group a:nth-child(1).active { color: #2563eb; background: rgba(37, 99, 235, 0.08); }
.site-nav-group a:nth-child(2).active { color: #16a34a; background: rgba(22, 163, 74, 0.08); }
.site-nav-group a:nth-child(3).active { color: #dc2626; background: rgba(220, 38, 38, 0.08); }