:root {
  --bg: #f5f1ea;
  --bg-accent: #fbf7f1;
  --panel: #fffdf9;
  --panel-soft: #f6efe4;
  --panel-muted: #f1e8dc;
  --text: #22313d;
  --muted: #66727d;
  --line: #dfd2c2;
  --line-strong: #d5c4af;
  --accent: #2d6ea0;
  --accent-soft: rgba(45, 110, 160, 0.1);
  --warm: #ba6a40;
  --warm-soft: rgba(186, 106, 64, 0.12);
  --shadow: 0 16px 42px rgba(52, 36, 18, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(225, 177, 118, 0.2) 0, rgba(225, 177, 118, 0) 24%),
    linear-gradient(180deg, var(--bg-accent) 0%, var(--bg) 100%);
  font-family: "Segoe UI", "Aptos", sans-serif;
  font-size: 18px;
  line-height: 1.72;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

code,
pre {
  font-family: "Cascadia Code", "Consolas", monospace;
}

.material-body {
  min-height: 100vh;
}

.material-header,
.material-layout {
  width: min(1500px, calc(100% - 48px));
  margin: 0 auto;
}

.material-header {
  padding: 28px 0 18px;
}

.material-header > div:first-child {
  max-width: 900px;
}

.eyebrow,
.mini-label,
.section-kicker {
  margin: 0 0 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: 700;
}

.material-header h1,
.material-section h2,
.material-section h3,
.engine-card h2,
.portal-card h2,
.toc-title {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
}

.material-header h1 {
  margin: 0 0 10px;
  font-size: clamp(2.2rem, 3vw, 3.4rem);
  line-height: 1.08;
}

.material-header p:last-child {
  margin: 0;
  max-width: 78ch;
  color: var(--muted);
}

.material-top-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.material-header:not(.material-header-library) .material-top-links {
  display: none;
}

.material-top-links a {
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  text-decoration: none;
  font-size: 0.92rem;
}

.material-top-links a:hover,
.material-sidebar a:hover,
.material-toc a:hover {
  border-color: rgba(45, 110, 160, 0.32);
  background: var(--accent-soft);
  color: var(--accent);
}

.engine-board,
.portal-grid,
.landing-grid,
.library-layer-grid,
.material-grid,
.material-link-grid,
.recipe-grid,
.production-check-grid,
.advanced-track-grid,
.material-timeline {
  display: grid;
  gap: 16px;
}

.engine-board,
.portal-grid,
.landing-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.engine-board-compact {
  margin-top: 16px;
}

.engine-card,
.portal-card,
.library-layer-card,
.production-check-card,
.advanced-track-card,
.recipe-card,
.material-section,
.material-sidebar,
.material-toc,
.material-link-grid a,
.material-link-grid article,
.recipe-grid article,
.material-grid article,
.material-topic-stack article,
.material-timeline article,
.landing-panel,
.landing-link-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.engine-card,
.portal-card,
.library-layer-card,
.production-check-card,
.advanced-track-card,
.recipe-card,
.landing-panel,
.landing-link-card {
  padding: 22px;
}

.engine-card-muted {
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-soft) 100%);
}

.engine-card-active,
.portal-card-active {
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.98) 0%, rgba(246, 239, 228, 0.98) 100%);
}

.engine-badge,
.doc-label,
.section-chip,
.portal-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.engine-badge,
.portal-chip {
  padding: 6px 10px;
  margin-bottom: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}

.doc-label,
.section-chip {
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.84);
  color: var(--muted);
}

.section-chip-active {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(45, 110, 160, 0.18);
}

.engine-card h2,
.portal-card h2,
.material-section h2 {
  margin: 0 0 10px;
}

.engine-card h2,
.portal-card h2 {
  font-size: 1.58rem;
}

.engine-card p,
.portal-card p {
  margin: 0 0 12px;
  color: var(--muted);
}

.engine-card ul,
.portal-card ul,
.material-grid ul,
.material-section ul,
.recipe-card ul {
  margin: 0;
  padding-left: 20px;
}

.engine-card li + li,
.portal-card li + li,
.material-grid li + li,
.material-section li + li,
.recipe-card li + li {
  margin-top: 8px;
}

.study-link,
.cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 15px;
  margin-top: 16px;
  border-radius: 999px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.study-link:hover,
.cta-link:hover {
  background: #255f8c;
}

.cta-link-muted {
  background: rgba(255, 255, 255, 0.82);
  color: var(--accent);
}

.cta-link-muted:hover {
  background: var(--accent-soft);
}

.workspace-header {
  padding-top: 30px;
}

.workspace-hero-copy {
  max-width: 920px;
}

.workspace-status-board .engine-card {
  min-height: 100%;
}

.workspace-branch-card {
  min-height: 100%;
}

.workspace-directory-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.workspace-directory-card {
  display: grid;
  gap: 8px;
  min-height: 168px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.99) 0%, rgba(243, 236, 226, 0.96) 100%);
  box-shadow: var(--shadow);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.workspace-directory-card:hover {
  transform: translateY(-1px);
  border-color: rgba(45, 110, 160, 0.22);
  box-shadow: 0 20px 40px rgba(52, 36, 18, 0.09);
}

.workspace-directory-card span {
  display: inline-flex;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.workspace-directory-card strong {
  display: block;
  font-size: 1.08rem;
}

.workspace-directory-card small {
  display: block;
  color: var(--muted);
  line-height: 1.58;
}

.material-visual-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.material-visual-card {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid rgba(45, 110, 160, 0.14);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.98) 0%, rgba(244, 238, 229, 0.96) 100%);
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.material-visual-card:hover {
  transform: translateY(-1px);
  border-color: rgba(45, 110, 160, 0.24);
  box-shadow: 0 20px 40px rgba(52, 36, 18, 0.09);
}

.material-visual-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid rgba(34, 49, 61, 0.08);
  background: linear-gradient(180deg, #121924 0%, #212c3a 100%);
}

.material-visual-meta {
  display: grid;
  gap: 6px;
}

.material-visual-meta span {
  display: inline-flex;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.material-visual-meta strong {
  display: block;
  font-size: 1.06rem;
}

.material-visual-meta small {
  display: block;
  color: var(--muted);
  line-height: 1.58;
}

.material-layout {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  gap: 28px;
  padding-bottom: 44px;
  align-items: start;
}

.material-layout-portal {
  display: block;
  max-width: 1260px;
}

.material-layout.has-page-toc {
  grid-template-columns: 264px minmax(0, 1fr) 232px;
}

.material-sidebar,
.material-toc {
  position: sticky;
  top: 24px;
  padding: 18px;
}

.material-sidebar {
  align-self: start;
}

.material-sidebar a,
.material-toc a {
  display: block;
  padding: 9px 10px;
  border-radius: 12px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
}

.nav-tree-home {
  margin-bottom: 14px;
  font-weight: 700;
  color: var(--accent) !important;
  background: var(--accent-soft);
  border: 1px solid rgba(45, 110, 160, 0.12);
}

.nav-tree-group {
  border-radius: 14px;
}

.nav-tree-group + .nav-tree-group {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.nav-tree-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 8px;
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.3;
  cursor: pointer;
}

.nav-tree-title::-webkit-details-marker {
  display: none;
}

.nav-tree-title::after {
  content: "+";
  color: var(--accent);
  font-weight: 900;
}

.nav-tree-group[open] > .nav-tree-title {
  background: rgba(45, 110, 160, 0.08);
}

.nav-tree-group[open] > .nav-tree-title::after {
  content: "-";
}

.nav-tree-link {
  font-size: 0.92rem !important;
}

.nav-tree-link.is-current {
  color: var(--accent) !important;
  background: var(--accent-soft);
  font-weight: 700;
}

.nav-tree-sections {
  margin: 8px 0 0 12px;
  padding: 8px 0 0 12px;
  border-left: 1px solid var(--line);
}

.nav-tree-section-link {
  font-size: 0.86rem !important;
  line-height: 1.45;
  color: var(--muted) !important;
  padding: 6px 8px !important;
}

.nav-tree-section-link.is-active {
  color: var(--accent) !important;
  background: var(--accent-soft);
  font-weight: 700;
}

.material-sidebar a + a,
.material-toc a + a {
  margin-top: 6px;
}

.material-toc {
  display: none;
}

.material-layout.has-page-toc .material-toc {
  display: block;
}

.material-toc nav {
  display: grid;
  gap: 6px;
}

.material-toc a.is-active {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 700;
}

.material-content {
  min-width: 0;
}

.material-section {
  padding: 28px;
  margin-bottom: 18px;
}

.material-section h2 {
  font-size: clamp(1.75rem, 2vw, 2.15rem);
  line-height: 1.14;
}

.material-section h3 {
  margin: 0 0 10px;
  font-size: 1.16rem;
  line-height: 1.26;
}

.material-section p:last-child,
.material-section li:last-child {
  margin-bottom: 0;
}

.section-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.material-callout,
.quote-box,
.prompt-box,
.example-box {
  padding: 16px 18px;
  border: 1px solid rgba(45, 110, 160, 0.14);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(244, 239, 232, 0.95) 100%);
}

.quote-box {
  margin-top: 18px;
}

.material-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.material-grid article {
  padding: 20px;
}

.material-link-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.material-link-grid a,
.material-link-grid article {
  padding: 18px;
  text-decoration: none;
}

.material-link-grid a:hover,
.landing-link-card:hover,
.recipe-card:hover,
.library-layer-card:hover,
.advanced-track-card:hover {
  transform: translateY(-1px);
  border-color: rgba(45, 110, 160, 0.22);
  box-shadow: 0 20px 40px rgba(52, 36, 18, 0.09);
}

.material-link-grid span,
.recipe-engine,
.recipe-card-head strong,
.library-layer-card span,
.production-check-card span,
.advanced-track-card span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.material-link-grid strong,
.landing-link-card h3,
.recipe-card h3,
.library-layer-card h3,
.production-check-card h3,
.advanced-track-card h3 {
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.material-link-grid small,
.recipe-summary,
.library-layer-card p,
.production-check-card p,
.advanced-track-card p,
.landing-link-card p {
  display: block;
  color: var(--muted);
  line-height: 1.58;
}

.material-topic-stack {
  display: grid;
  gap: 14px;
}

.material-visual-hero {
  overflow: hidden;
}

.material-hero-frame {
  margin: 18px 0 0;
  padding: 16px;
  border: 1px solid rgba(45, 110, 160, 0.14);
  border-radius: 22px;
  background:
    radial-gradient(circle at top, rgba(45, 110, 160, 0.08) 0, rgba(45, 110, 160, 0) 52%),
    linear-gradient(180deg, rgba(255, 253, 249, 0.98) 0%, rgba(244, 238, 229, 0.95) 100%);
}

.material-hero-frame img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(34, 49, 61, 0.08);
  background: linear-gradient(180deg, #121924 0%, #212c3a 100%);
  box-shadow: 0 22px 42px rgba(23, 29, 38, 0.16);
}

.material-image-placeholder {
  display: grid;
  min-height: 360px;
  aspect-ratio: 16 / 9;
  place-items: center;
  padding: 32px;
  border: 1px dashed rgba(45, 110, 160, 0.34);
  border-radius: 18px;
  background:
    radial-gradient(circle at 20% 18%, rgba(45, 110, 160, 0.18), transparent 34%),
    radial-gradient(circle at 80% 80%, rgba(192, 130, 72, 0.14), transparent 38%),
    linear-gradient(135deg, rgba(18, 25, 36, 0.94), rgba(31, 43, 56, 0.9));
  color: rgba(255, 253, 249, 0.92);
  text-align: center;
  box-shadow: 0 22px 42px rgba(23, 29, 38, 0.16);
}

.material-image-placeholder strong {
  display: block;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.material-image-placeholder span {
  display: block;
  max-width: 560px;
  color: rgba(255, 253, 249, 0.72);
  font-size: 0.94rem;
  line-height: 1.65;
}

.material-hero-caption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.6;
}

.material-topic-stack article {
  padding: 20px;
}

.material-timeline {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.material-timeline article {
  padding: 18px;
}

.material-timeline span {
  display: inline-flex;
  margin-bottom: 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
}

.material-timeline strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.06rem;
}

.pipeline-diagram,
.material-big-frame {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin-top: 18px;
}

.pipeline-diagram span,
.material-big-frame span {
  display: grid;
  place-items: center;
  min-height: 64px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
  text-align: center;
  font-size: 0.92rem;
  font-weight: 700;
}

.recipe-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.recipe-grid article {
  padding: 18px;
}

.recipe-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.recipe-grid strong {
  display: block;
  color: var(--ink);
  font-size: 1.02rem;
  line-height: 1.35;
}

.recipe-grid small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.recipe-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.recipe-summary {
  margin-bottom: 14px;
}

.library-layer-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.production-check-grid,
.advanced-track-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.landing-panel {
  padding: 24px;
}

.landing-panel h2,
.landing-panel h3 {
  margin: 0 0 10px;
}

.landing-list,
.taxonomy-list {
  display: grid;
  gap: 12px;
}

.landing-list a,
.landing-link-card {
  text-decoration: none;
}

.landing-link-card {
  padding: 18px 20px;
}

.landing-link-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

pre.code-block {
  margin: 0;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid #2a3342;
  background: #1d2430;
  color: #ecf3fa;
  overflow-x: auto;
  font-size: 0.94rem;
  line-height: 1.62;
}

.material-layout-library .material-section {
  padding: 26px;
}

.material-portal-header {
  max-width: 1260px;
  padding-top: 42px;
  padding-bottom: 22px;
}

.portal-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 0.78fr);
  gap: 28px;
  align-items: stretch;
}

.portal-hero-copy {
  display: grid;
  align-content: center;
  min-height: 300px;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top left, rgba(45, 110, 160, 0.12), rgba(45, 110, 160, 0) 44%),
    linear-gradient(135deg, rgba(255, 253, 249, 0.98), rgba(245, 238, 227, 0.94));
  box-shadow: var(--shadow);
}

.portal-hero-copy h1 {
  max-width: 13ch;
}

.portal-hero-copy p {
  max-width: 58ch;
}

.portal-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.portal-feature-card {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 300px;
  overflow: hidden;
  padding: 22px;
  border: 1px solid rgba(34, 49, 61, 0.14);
  border-radius: var(--radius-xl);
  background: #101822;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 24px 48px rgba(23, 29, 38, 0.18);
}

.portal-feature-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(16, 24, 34, 0) 24%, rgba(16, 24, 34, 0.84) 100%),
    radial-gradient(circle at top right, rgba(55, 144, 208, 0.2), rgba(55, 144, 208, 0) 45%);
}

.portal-feature-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}

.portal-feature-card span,
.portal-feature-card strong {
  position: relative;
  z-index: 1;
}

.portal-feature-card span {
  color: rgba(219, 234, 246, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 800;
}

.portal-feature-card strong {
  font-size: 1.28rem;
}

.portal-content {
  display: grid;
  gap: 18px;
}

.portal-section {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 253, 249, 0.84);
  box-shadow: var(--shadow);
}

.portal-section-head {
  margin-bottom: 18px;
}

.portal-section-head h2 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(1.75rem, 2.2vw, 2.35rem);
  line-height: 1.1;
}

.portal-section-head-row {
  display: flex;
  gap: 18px;
  align-items: end;
  justify-content: space-between;
}

.portal-small-link,
.portal-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(45, 110, 160, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 800;
  white-space: nowrap;
}

.portal-count {
  color: var(--muted);
}

.portal-action-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(5, minmax(170px, 1fr));
}

.portal-action-card {
  display: grid;
  gap: 9px;
  min-height: 190px;
  padding: 18px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.98) 0%, rgba(244, 238, 229, 0.94) 100%);
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(52, 36, 18, 0.065);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.portal-action-card:hover,
.portal-map-grid a:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 110, 160, 0.28);
  box-shadow: 0 20px 40px rgba(52, 36, 18, 0.1);
}

.portal-action-primary {
  background:
    radial-gradient(circle at top right, rgba(45, 110, 160, 0.18), rgba(45, 110, 160, 0) 48%),
    linear-gradient(180deg, #fffdf9 0%, #eef5f9 100%);
}

.portal-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent);
}

.portal-icon svg {
  width: 30px;
  height: 30px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.portal-icon-warm {
  background: var(--warm-soft);
  color: var(--warm);
}

.portal-icon-blue {
  background: rgba(55, 144, 208, 0.12);
  color: #3276aa;
}

.portal-icon-ink {
  background: rgba(34, 49, 61, 0.1);
  color: #22313d;
}

.portal-icon-olive {
  background: rgba(99, 122, 70, 0.13);
  color: #637a46;
}

.portal-route {
  display: inline-flex;
  align-self: end;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.68rem;
  font-weight: 800;
  white-space: nowrap;
}

.portal-action-card strong {
  display: block;
  font-size: 1.08rem;
  line-height: 1.25;
}

.portal-action-card small {
  display: block;
  color: var(--muted);
  line-height: 1.48;
}

.material-visual-grid-compact .material-visual-card {
  padding: 12px;
  gap: 10px;
}

.material-visual-grid-compact .material-visual-meta {
  padding: 0 2px 2px;
}

.material-visual-grid-compact .material-visual-meta small {
  display: none;
}

.portal-map-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.portal-map-grid a {
  display: grid;
  gap: 7px;
  min-height: 132px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(245, 239, 231, 0.94));
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(52, 36, 18, 0.06);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.portal-map-grid span {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.7rem;
  font-weight: 800;
}

.portal-map-grid strong {
  font-size: 1.03rem;
}

.portal-map-grid small {
  align-self: end;
  color: var(--muted);
  font-weight: 700;
}

.portal-pc-topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  width: min(1680px, calc(100% - 56px));
  max-width: none;
  padding: 28px 0 16px;
}

.portal-pc-topbar h1 {
  margin-bottom: 0;
  font-size: clamp(2.4rem, 3vw, 4.2rem);
}

.portal-pc-top-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.portal-pc-top-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;
}

.portal-pc-top-actions a:hover {
  border-color: rgba(45, 110, 160, 0.28);
  background: var(--accent-soft);
  color: var(--accent);
}

.material-layout-portal.portal-pc-shell {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: 24px;
  width: min(1680px, calc(100% - 56px));
  max-width: none;
  padding-bottom: 52px;
}

.portal-pc-rail {
  position: sticky;
  top: 22px;
  display: grid;
  gap: 10px;
  align-self: start;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 253, 249, 0.9);
  box-shadow: var(--shadow);
}

.portal-pc-rail a {
  display: grid;
  gap: 2px;
  padding: 13px 14px;
  border: 1px solid transparent;
  border-radius: 16px;
  color: inherit;
  text-decoration: none;
}

.portal-pc-rail a:hover,
.portal-pc-rail a.is-primary {
  border-color: rgba(45, 110, 160, 0.16);
  background: var(--accent-soft);
}

.portal-pc-rail strong {
  line-height: 1.25;
}

.portal-pc-rail span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.35;
}

.portal-pc-main {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.portal-pc-hero {
  display: grid;
  grid-template-columns: minmax(360px, 0.78fr) minmax(0, 1.22fr);
  gap: 18px;
  min-height: 390px;
}

.portal-pc-copy,
.portal-pc-feature,
.portal-pc-panel,
.portal-pc-map,
.portal-pc-lanes {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 253, 249, 0.9);
  box-shadow: var(--shadow);
}

.portal-pc-copy {
  display: grid;
  align-content: center;
  padding: 34px;
  background:
    radial-gradient(circle at top left, rgba(45, 110, 160, 0.13), rgba(45, 110, 160, 0) 46%),
    linear-gradient(135deg, rgba(255, 253, 249, 0.98), rgba(245, 238, 227, 0.94));
}

.portal-pc-copy h2 {
  max-width: 12ch;
  margin: 0 0 14px;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2.2rem, 3.2vw, 4rem);
  line-height: 1.02;
}

.portal-pc-copy p {
  max-width: 56ch;
  margin: 0;
  color: var(--muted);
}

.portal-pc-feature {
  position: relative;
  display: grid;
  align-content: end;
  overflow: hidden;
  min-height: 390px;
  padding: 26px;
  background: #101822;
  color: #fff;
  text-decoration: none;
}

.portal-pc-feature::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(16, 24, 34, 0) 25%, rgba(16, 24, 34, 0.82) 100%),
    radial-gradient(circle at top right, rgba(61, 150, 210, 0.18), rgba(61, 150, 210, 0) 44%);
}

.portal-pc-feature img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portal-pc-feature div {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 4px;
}

.portal-pc-feature span {
  color: rgba(219, 234, 246, 0.9);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.74rem;
  font-weight: 900;
}

.portal-pc-feature strong {
  font-size: 1.7rem;
  line-height: 1.12;
}

.portal-pc-lanes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 16px;
}

.portal-lane-card {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 4px;
  align-items: center;
  min-height: 106px;
  padding: 16px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(246, 240, 232, 0.94));
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.portal-lane-card:hover,
.portal-pc-map a:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 110, 160, 0.28);
  box-shadow: 0 18px 34px rgba(52, 36, 18, 0.09);
}

.portal-lane-card .portal-icon {
  grid-row: span 2;
}

.portal-lane-card strong {
  font-size: 1.06rem;
  line-height: 1.2;
}

.portal-lane-card small {
  color: var(--muted);
  line-height: 1.35;
}

.portal-pc-panel {
  padding: 22px;
}

.portal-pc-visuals {
  margin-top: 0;
}

.portal-pc-visuals .material-visual-card img {
  min-height: 190px;
}

.portal-pc-map {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  padding: 16px;
}

.portal-pc-map a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 12px;
  align-items: center;
  min-height: 96px;
  padding: 16px 18px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(246, 240, 232, 0.94));
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.portal-pc-map span,
.portal-pc-map small {
  color: var(--muted);
}

.portal-pc-map span {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 900;
}

.portal-pc-map strong {
  grid-row: span 2;
  color: var(--accent);
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 2.8rem;
  line-height: 0.9;
}

.portal-recipe-launcher {
  padding: 20px;
}

.portal-recipe-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.portal-recipe-category-grid {
  display: grid;
  gap: 16px;
}

.portal-recipe-category {
  padding: 16px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 22px;
  background:
    radial-gradient(circle at top left, rgba(45, 110, 160, 0.08), transparent 36%),
    linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(246, 240, 232, 0.92));
}

.portal-category-head {
  display: flex;
  gap: 14px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 14px;
}

.portal-category-head strong {
  display: block;
  color: var(--ink);
  font-size: 1.05rem;
  line-height: 1.2;
}

.portal-category-head small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.45;
}

.portal-category-head em {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid rgba(45, 110, 160, 0.14);
  border-radius: 999px;
  color: var(--accent);
  font-size: 0.78rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.78);
}

.portal-recipe-grid-grouped {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.portal-recipe-grid a {
  display: block;
  min-height: 92px;
  padding: 14px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(246, 240, 232, 0.94));
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.portal-recipe-grid a:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 110, 160, 0.28);
  box-shadow: 0 18px 34px rgba(52, 36, 18, 0.09);
}

.portal-recipe-grid span {
  display: none;
}

.portal-recipe-grid strong {
  display: block;
  line-height: 1.2;
}

.portal-recipe-grid small {
  color: var(--muted);
  line-height: 1.35;
}

.back-to-portal {
  position: fixed;
  z-index: 30;
  top: 18px;
  right: 22px;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid rgba(45, 110, 160, 0.16);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.88);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(52, 36, 18, 0.09);
  backdrop-filter: blur(8px);
}

.back-to-portal:hover {
  border-color: rgba(45, 110, 160, 0.28);
  background: var(--accent-soft);
}

.portal-grid .portal-card,
.landing-grid .landing-panel {
  height: 100%;
}

.shaderlex-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  width: min(1280px, calc(100% - 56px));
  max-width: none;
  padding: 28px 0 18px;
}

.shaderlex-header h1 {
  margin-bottom: 6px;
  font-size: clamp(2.5rem, 3.2vw, 4rem);
  font-family: "Aptos Display", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.shaderlex-header > div:first-child {
  max-width: 760px;
}

.shaderlex-header > div:first-child > p:last-child {
  max-width: 62ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.68;
}

.shaderlex-header-controls {
  display: grid;
  justify-items: end;
  gap: 12px;
}

.shaderlex-language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
}

.shaderlex-language-toggle button {
  appearance: none;
  border: 0;
  min-height: 34px;
  padding: 6px 14px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 800;
  cursor: pointer;
}

.shaderlex-language-toggle button.is-active {
  background: var(--accent);
  color: #fff;
}

.shaderlex-header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.shaderlex-header-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  min-width: 132px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 800;
  transition: border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.shaderlex-header-actions a:hover {
  border-color: rgba(45, 110, 160, 0.28);
  background: var(--accent-soft);
  color: var(--accent);
}

.shaderlex-landing {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  width: min(1280px, calc(100% - 56px));
  max-width: none;
  padding-bottom: 56px;
}

.shaderlex-visual-hero {
  display: grid;
  grid-template-columns: minmax(720px, 1.38fr) minmax(420px, 0.62fr);
  gap: 20px;
  align-items: stretch;
}

.shaderlex-visual-card,
.shaderlex-hero-panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.shaderlex-visual-card {
  position: relative;
  display: block;
  min-height: 520px;
  background:
    radial-gradient(circle at 16% 18%, rgba(65, 121, 164, 0.2), rgba(65, 121, 164, 0) 30%),
    #101923;
  text-decoration: none;
}

.shaderlex-visual-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.shaderlex-hero-image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.shaderlex-hero-panel {
  display: grid;
  align-content: end;
  gap: 18px;
  padding: 34px;
  background:
    linear-gradient(180deg, rgba(255, 253, 249, 0.66), rgba(255, 253, 249, 0.98)),
    radial-gradient(circle at top right, rgba(45, 110, 160, 0.13), rgba(45, 110, 160, 0) 42%),
    rgba(255, 253, 249, 0.94);
}

.shaderlex-hero-panel h2 {
  margin: 0;
  font-family: "Aptos Display", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  font-size: clamp(2rem, 3vw, 3.35rem);
  font-weight: 850;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.shaderlex-hero-panel p:not(.section-kicker) {
  margin: 0;
  max-width: 54ch;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.7;
}

.shaderlex-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.shaderlex-hero-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid rgba(45, 110, 160, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, color 160ms ease;
}

.shaderlex-hero-actions a:first-child {
  background: var(--accent);
  color: #fff;
}

.shaderlex-hero-actions a:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 110, 160, 0.3);
  background: var(--accent-soft);
  color: var(--accent);
}

.shaderlex-section {
  width: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: rgba(255, 253, 249, 0.9);
  box-shadow: var(--shadow);
}

.shaderlex-section-head {
  display: grid;
  gap: 6px;
  margin-bottom: 20px;
}

.shaderlex-section-head h2 {
  margin: 0;
  font-family: "Aptos Display", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  font-size: clamp(1.8rem, 2vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.06;
}

.shaderlex-section-head p:last-child,
.shaderlex-glossary-note {
  margin: 0;
  color: var(--muted);
}

.shaderlex-section-head-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.shaderlex-study-grid,
.shaderlex-start-grid,
.shaderlex-lane-grid,
.shaderlex-path-grid,
.shaderlex-family-grid {
  display: grid;
  gap: 16px;
}

.shaderlex-study-grid,
.shaderlex-lane-grid,
.shaderlex-path-grid,
.shaderlex-family-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.shaderlex-start-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.shaderlex-study-card,
.shaderlex-start-card,
.shaderlex-lane-card,
.shaderlex-path-card,
.shaderlex-family-card {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(246, 240, 232, 0.94));
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.shaderlex-start-card,
.shaderlex-lane-card,
.shaderlex-path-card {
  align-content: start;
}

.shaderlex-study-card {
  min-height: 184px;
}

.shaderlex-start-card {
  min-height: 224px;
}

.shaderlex-lane-card {
  min-height: 228px;
}

.shaderlex-study-card-kicker,
.shaderlex-lane-kicker {
  display: inline-flex;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 800;
}

.shaderlex-study-card strong,
.shaderlex-start-card strong,
.shaderlex-lane-card strong,
.shaderlex-path-card strong {
  font-family: "Aptos Display", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.shaderlex-study-card p,
.shaderlex-start-card p,
.shaderlex-lane-card p,
.shaderlex-path-card p,
.shaderlex-family-head small {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.shaderlex-start-card small,
.shaderlex-lane-card small,
.shaderlex-path-card small {
  color: var(--accent);
  line-height: 1.48;
  font-weight: 700;
}

.shaderlex-start-icon,
.shaderlex-path-icon {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  font-size: 1.08rem;
  font-weight: 800;
}

.shaderlex-start-icon-blue,
.shaderlex-path-icon-blue {
  background: rgba(45, 110, 160, 0.12);
  color: var(--accent);
}

.shaderlex-start-icon-warm,
.shaderlex-path-icon-warm {
  background: rgba(186, 106, 64, 0.12);
  color: var(--warm);
}

.shaderlex-start-icon-ink,
.shaderlex-path-icon-ink {
  background: rgba(34, 49, 61, 0.08);
  color: var(--text);
}

.shaderlex-start-icon-olive,
.shaderlex-path-icon-olive {
  background: rgba(104, 121, 88, 0.12);
  color: #667958;
}

.shaderlex-lane-card-stylized {
  background:
    radial-gradient(circle at top right, rgba(45, 110, 160, 0.1), rgba(45, 110, 160, 0) 40%),
    linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(246, 240, 232, 0.94));
}

.shaderlex-lane-card-anime {
  background:
    radial-gradient(circle at top right, rgba(48, 67, 98, 0.12), rgba(48, 67, 98, 0) 44%),
    linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(243, 237, 228, 0.95));
}

.shaderlex-lane-card-semi {
  background:
    radial-gradient(circle at top right, rgba(105, 128, 112, 0.12), rgba(105, 128, 112, 0) 42%),
    linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(245, 239, 231, 0.94));
}

.shaderlex-lane-card-realistic {
  background:
    radial-gradient(circle at top right, rgba(120, 124, 130, 0.12), rgba(120, 124, 130, 0) 42%),
    linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(244, 238, 230, 0.94));
}

.shaderlex-start-card:hover,
.shaderlex-lane-card:hover,
.shaderlex-path-card:hover,
.shaderlex-family-links a:hover,
.shaderlex-term-chip:hover {
  transform: translateY(-2px);
  border-color: rgba(45, 110, 160, 0.28);
  box-shadow: 0 18px 34px rgba(52, 36, 18, 0.09);
}

.shaderlex-glossary-head {
  display: grid;
  gap: 6px;
  margin: 20px 0 16px;
}

.shaderlex-glossary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.shaderlex-term-chip {
  position: relative;
  display: grid;
  gap: 4px;
  align-items: start;
  min-height: 74px;
  padding: 16px 18px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 253, 249, 0.98), rgba(246, 240, 232, 0.94));
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.shaderlex-term-name {
  display: block;
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.25;
}

.shaderlex-term-tooltip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  width: min(360px, 80vw);
  padding: 14px 16px;
  border: 1px solid rgba(45, 110, 160, 0.16);
  border-radius: 16px;
  background: rgba(255, 253, 249, 0.98);
  box-shadow: 0 18px 34px rgba(52, 36, 18, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 140ms ease, transform 140ms ease, visibility 140ms ease;
  z-index: 4;
}

.shaderlex-term-chip:hover .shaderlex-term-tooltip,
.shaderlex-term-chip:focus-visible .shaderlex-term-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.shaderlex-term-tooltip strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.94rem;
}

.shaderlex-term-tooltip span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.shaderlex-term-tooltip-helper {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(45, 110, 160, 0.1);
}

.shaderlex-term-tooltip-block + .shaderlex-term-tooltip-block {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(45, 110, 160, 0.1);
}

.shaderlex-term-tooltip-block em {
  display: inline-flex;
  margin-right: 8px;
  color: var(--accent);
  font-style: normal;
  font-weight: 800;
}

.shaderlex-family-card {
  gap: 14px;
}

.shaderlex-family-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 14px;
}

.shaderlex-family-head strong {
  display: block;
  margin-bottom: 6px;
  font-family: "Aptos Display", "Segoe UI Variable Display", "Segoe UI", sans-serif;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.shaderlex-family-head em {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(45, 110, 160, 0.14);
  border-radius: 999px;
  background: rgba(45, 110, 160, 0.08);
  color: var(--accent);
  font-style: normal;
  font-size: 0.82rem;
  font-weight: 800;
}

.shaderlex-family-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.shaderlex-family-links a,
.portal-small-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(45, 110, 160, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.portal-small-link:hover {
  border-color: rgba(45, 110, 160, 0.28);
  background: var(--accent-soft);
  color: var(--accent);
}

.shaderlex-featured-grid {
  margin-top: 0;
}

.empty-note {
  color: var(--muted);
}

body[data-page="shaderlex-landing"] {
  min-width: 1380px;
}

body[data-page="shaderlex-landing"] .shaderlex-header,
body[data-page="shaderlex-landing"] .shaderlex-landing {
  width: calc(100% - 72px);
  max-width: 1820px;
}

body[data-page="shaderlex-landing"] .shaderlex-header {
  gap: 32px;
}

body[data-page="shaderlex-landing"] .shaderlex-header > div:first-child {
  max-width: 900px;
}

body[data-page="shaderlex-landing"] .shaderlex-header > div:first-child > p:last-child {
  max-width: 74ch;
}

body[data-page="shaderlex-landing"] .shaderlex-visual-hero {
  grid-template-columns: minmax(0, 1.42fr) minmax(460px, 0.58fr);
}

body[data-page="shaderlex-landing"] .shaderlex-visual-card,
body[data-page="shaderlex-landing"] .shaderlex-hero-image {
  min-height: 0;
  height: clamp(500px, 34vw, 640px);
}

body[data-page="shaderlex-landing"] .shaderlex-study-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
}

body[data-page="shaderlex-landing"] .shaderlex-glossary-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

body[data-page="shaderlex-landing"] .shaderlex-start-grid,
body[data-page="shaderlex-landing"] .shaderlex-path-grid,
body[data-page="shaderlex-landing"] .shaderlex-family-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

body[data-page="shaderlex-landing"] .shaderlex-lane-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

body[data-page="shaderlex-landing"] .shaderlex-section {
  padding: 26px;
}

body[data-page="shaderlex-landing"] .shaderlex-start-card,
body[data-page="shaderlex-landing"] .shaderlex-path-card,
body[data-page="shaderlex-landing"] .shaderlex-family-card {
  min-height: 100%;
}

@media (max-width: 1260px) {
  .material-layout.has-page-toc {
    grid-template-columns: 248px minmax(0, 1fr);
  }

  .material-toc {
    display: none !important;
  }
}

@media (max-width: 1080px) {
  .material-layout,
  .material-layout.has-page-toc,
  .portal-hero,
  .engine-board,
  .portal-grid,
  .landing-grid,
  .material-visual-grid,
  .portal-action-grid,
  .portal-map-grid,
  .material-grid,
  .material-link-grid,
  .recipe-grid,
  .library-layer-grid,
  .production-check-grid,
  .advanced-track-grid,
  .material-timeline,
  .portal-recipe-grid-grouped,
  .workspace-directory-grid,
  .pipeline-diagram,
  .material-big-frame {
    grid-template-columns: 1fr;
  }

  .shaderlex-header,
  .shaderlex-study-grid,
  .shaderlex-start-grid,
  .shaderlex-lane-grid,
  .shaderlex-path-grid,
  .shaderlex-family-grid {
    grid-template-columns: 1fr;
  }

  .shaderlex-header {
    align-items: start;
  }

  .shaderlex-header-controls {
    justify-items: start;
  }

  .portal-hero-copy,
  .portal-feature-card {
    min-height: 280px;
  }

  .material-sidebar {
    position: static;
  }

  .shaderlex-glossary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  body {
    font-size: 17px;
  }

  .material-header,
  .material-layout {
    width: min(100%, calc(100% - 20px));
  }

  .shaderlex-header,
  .shaderlex-landing {
    width: min(100%, calc(100% - 20px));
  }

  .material-header {
    padding: 18px 0 14px;
  }

  .material-header h1 {
    font-size: 2rem;
  }

  .material-section,
  .material-sidebar,
  .engine-card,
  .portal-card,
  .landing-panel,
  .material-link-grid a,
  .material-link-grid article,
  .recipe-grid article,
  .material-grid article,
  .material-topic-stack article,
  .material-timeline article,
  .recipe-card,
  .library-layer-card,
  .production-check-card,
  .advanced-track-card {
    border-radius: 18px;
  }

  .material-section,
  .material-sidebar,
  .material-toc {
    padding: 18px;
  }

  .material-portal-header,
  .material-layout-portal {
    width: min(100%, calc(100% - 20px));
  }

  .portal-hero-copy,
  .portal-section {
    padding: 20px;
    border-radius: 20px;
  }

  .shaderlex-section {
    padding: 18px;
    border-radius: 20px;
  }

  .shaderlex-language-toggle {
    width: 100%;
    justify-content: space-between;
  }

  .portal-section-head-row {
    display: grid;
    align-items: start;
  }

  .portal-category-head {
    align-items: start;
    flex-direction: column;
  }

  .portal-action-card {
    min-height: auto;
  }

  .shaderlex-section-head-row,
  .shaderlex-family-head {
    display: grid;
    align-items: start;
  }

  .shaderlex-header-actions,
  .shaderlex-family-links {
    display: grid;
  }

  .shaderlex-header-actions a {
    width: 100%;
  }

  .shaderlex-glossary-grid {
    grid-template-columns: 1fr;
  }

  pre.code-block {
    font-size: 0.86rem;
  }
}

/* ShaderLex landing rebuild: focused, dark-first study hub */
body[data-page="shaderlex-landing"] {
  min-width: 0;
  color: #17212b;
  background:
    radial-gradient(circle at 74% 4%, rgba(45, 110, 160, 0.22), transparent 28rem),
    linear-gradient(180deg, #071019 0, #0c1520 37rem, #f4f7fa 37rem, #eef3f7 100%);
  font-size: 17px;
}

body[data-page="shaderlex-landing"] .shaderlex-header,
body[data-page="shaderlex-landing"] .shaderlex-landing {
  width: min(1240px, calc(100% - 48px));
  max-width: 1240px;
}

body[data-page="shaderlex-landing"] .shaderlex-header {
  align-items: center;
  padding: 32px 0 24px;
  color: #f7fbff;
}

body[data-page="shaderlex-landing"] .shaderlex-header > div:first-child {
  max-width: 720px;
}

body[data-page="shaderlex-landing"] .shaderlex-header h1 {
  max-width: 9ch;
  color: #ffffff;
  font-size: clamp(3.4rem, 7vw, 6.2rem);
  font-weight: 850;
  letter-spacing: -0.07em;
}

body[data-page="shaderlex-landing"] .shaderlex-header > div:first-child > p:last-child {
  max-width: 58ch;
  color: rgba(232, 242, 248, 0.76);
  font-size: 1.05rem;
  line-height: 1.65;
}

body[data-page="shaderlex-landing"] .eyebrow,
body[data-page="shaderlex-landing"] .section-kicker,
body[data-page="shaderlex-landing"] .shaderlex-study-card-kicker,
body[data-page="shaderlex-landing"] .shaderlex-lane-kicker {
  letter-spacing: 0.16em;
}

body[data-page="shaderlex-landing"] .shaderlex-header .eyebrow {
  color: rgba(127, 204, 220, 0.9);
}

body[data-page="shaderlex-landing"] .shaderlex-header-controls {
  align-self: stretch;
  align-content: center;
}

body[data-page="shaderlex-landing"] .shaderlex-language-toggle,
body[data-page="shaderlex-landing"] .shaderlex-header-actions a {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(241, 247, 250, 0.78);
  box-shadow: none;
  backdrop-filter: blur(14px);
}

body[data-page="shaderlex-landing"] .shaderlex-language-toggle button {
  color: rgba(241, 247, 250, 0.78);
}

body[data-page="shaderlex-landing"] .shaderlex-language-toggle button.is-active,
body[data-page="shaderlex-landing"] .shaderlex-header-actions a:hover {
  background: #2d6ea0;
  color: #ffffff;
}

body[data-page="shaderlex-landing"] .shaderlex-landing {
  gap: 28px;
  padding-bottom: 72px;
}

body[data-page="shaderlex-landing"] .shaderlex-visual-hero {
  grid-template-columns: minmax(330px, 0.86fr) minmax(0, 1.14fr);
  gap: 28px;
  align-items: center;
  padding: clamp(22px, 3vw, 36px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  background:
    radial-gradient(circle at 84% 22%, rgba(76, 191, 212, 0.18), transparent 28rem),
    linear-gradient(135deg, rgba(15, 24, 34, 0.98), rgba(8, 13, 20, 0.98));
  box-shadow: 0 28px 80px rgba(4, 9, 14, 0.34);
}

body[data-page="shaderlex-landing"] .shaderlex-hero-panel {
  order: -1;
  min-height: 0;
  padding: clamp(8px, 1.4vw, 14px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: #ffffff;
  overflow: visible;
}

body[data-page="shaderlex-landing"] .shaderlex-hero-panel .section-kicker {
  color: rgba(127, 204, 220, 0.92);
}

body[data-page="shaderlex-landing"] .shaderlex-hero-panel h2 {
  max-width: 12ch;
  color: #ffffff;
  font-size: clamp(2.4rem, 4.2vw, 4.6rem);
  line-height: 0.94;
}

body[data-page="shaderlex-landing"] .shaderlex-hero-panel p:not(.section-kicker) {
  max-width: 44ch;
  color: rgba(232, 242, 248, 0.78);
}

body[data-page="shaderlex-landing"] .shaderlex-hero-actions {
  margin-top: 10px;
}

body[data-page="shaderlex-landing"] .shaderlex-hero-actions a {
  min-height: 46px;
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.08);
  color: #f7fbff;
}

body[data-page="shaderlex-landing"] .shaderlex-hero-actions a:first-child {
  border-color: transparent;
  background: #2d6ea0;
  color: #ffffff;
}

body[data-page="shaderlex-landing"] .shaderlex-hero-actions a:hover {
  border-color: rgba(127, 204, 220, 0.5);
  background: rgba(127, 204, 220, 0.12);
  color: #ffffff;
}

body[data-page="shaderlex-landing"] .shaderlex-visual-card {
  min-height: 0;
  height: auto;
  padding: clamp(10px, 1.4vw, 16px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 22px;
  background: rgba(255, 253, 249, 0.96);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.24);
}

body[data-page="shaderlex-landing"] .shaderlex-visual-card::after {
  box-shadow: inset 0 0 0 1px rgba(15, 24, 34, 0.08);
}

body[data-page="shaderlex-landing"] .shaderlex-hero-image {
  width: 100%;
  height: auto;
  min-height: 0;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  border-radius: 14px;
}

body[data-page="shaderlex-landing"] .shaderlex-section {
  padding: clamp(24px, 3vw, 36px);
  border-color: rgba(22, 34, 45, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 48px rgba(15, 28, 40, 0.08);
}

body[data-page="shaderlex-landing"] .shaderlex-section + .shaderlex-section {
  margin-top: 2px;
}

body[data-page="shaderlex-landing"] .shaderlex-section-head {
  margin-bottom: 24px;
}

body[data-page="shaderlex-landing"] .shaderlex-section-head h2 {
  max-width: 17ch;
  font-size: clamp(2.1rem, 3.3vw, 3.5rem);
  font-weight: 850;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

body[data-page="shaderlex-landing"] .shaderlex-study-grid,
body[data-page="shaderlex-landing"] .shaderlex-lane-grid,
body[data-page="shaderlex-landing"] .shaderlex-path-grid,
body[data-page="shaderlex-landing"] .shaderlex-family-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body[data-page="shaderlex-landing"] .shaderlex-start-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

body[data-page="shaderlex-landing"] .shaderlex-glossary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body[data-page="shaderlex-landing"] .shaderlex-study-card,
body[data-page="shaderlex-landing"] .shaderlex-start-card,
body[data-page="shaderlex-landing"] .shaderlex-lane-card,
body[data-page="shaderlex-landing"] .shaderlex-path-card,
body[data-page="shaderlex-landing"] .shaderlex-family-card,
body[data-page="shaderlex-landing"] .shaderlex-term-chip {
  border-color: rgba(22, 34, 45, 0.1);
  border-radius: 18px;
  background: linear-gradient(180deg, #ffffff, #f7fafc);
  box-shadow: none;
}

body[data-page="shaderlex-landing"] .shaderlex-start-card,
body[data-page="shaderlex-landing"] .shaderlex-lane-card,
body[data-page="shaderlex-landing"] .shaderlex-path-card,
body[data-page="shaderlex-landing"] .shaderlex-family-card {
  min-height: 100%;
}

body[data-page="shaderlex-landing"] .shaderlex-study-card {
  min-height: 166px;
}

body[data-page="shaderlex-landing"] .shaderlex-start-card {
  min-height: 238px;
}

body[data-page="shaderlex-landing"] .shaderlex-lane-card {
  min-height: 250px;
}

body[data-page="shaderlex-landing"] .shaderlex-start-card:hover,
body[data-page="shaderlex-landing"] .shaderlex-lane-card:hover,
body[data-page="shaderlex-landing"] .shaderlex-path-card:hover,
body[data-page="shaderlex-landing"] .shaderlex-family-links a:hover,
body[data-page="shaderlex-landing"] .shaderlex-term-chip:hover {
  border-color: rgba(45, 110, 160, 0.32);
  box-shadow: 0 18px 40px rgba(15, 28, 40, 0.1);
}

body[data-page="shaderlex-landing"] .shaderlex-start-icon,
body[data-page="shaderlex-landing"] .shaderlex-path-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
}

body[data-page="shaderlex-landing"] .shaderlex-family-links a,
body[data-page="shaderlex-landing"] .portal-small-link {
  min-height: 40px;
  background: #ffffff;
}

@media (max-width: 1080px) {
  body[data-page="shaderlex-landing"] {
    background:
      radial-gradient(circle at 82% 0, rgba(45, 110, 160, 0.2), transparent 22rem),
      linear-gradient(180deg, #071019 0, #0c1520 44rem, #f4f7fa 44rem, #eef3f7 100%);
  }

  body[data-page="shaderlex-landing"] .shaderlex-header,
  body[data-page="shaderlex-landing"] .shaderlex-landing {
    width: min(100%, calc(100% - 32px));
  }

  body[data-page="shaderlex-landing"] .shaderlex-header {
    display: grid;
    gap: 20px;
  }

  body[data-page="shaderlex-landing"] .shaderlex-header-controls {
    justify-items: start;
    justify-self: stretch;
    width: 100%;
  }

  body[data-page="shaderlex-landing"] .shaderlex-visual-hero,
  body[data-page="shaderlex-landing"] .shaderlex-study-grid,
  body[data-page="shaderlex-landing"] .shaderlex-start-grid,
  body[data-page="shaderlex-landing"] .shaderlex-lane-grid,
  body[data-page="shaderlex-landing"] .shaderlex-path-grid,
  body[data-page="shaderlex-landing"] .shaderlex-family-grid {
    grid-template-columns: 1fr;
  }

  body[data-page="shaderlex-landing"] .shaderlex-glossary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page="shaderlex-landing"] .shaderlex-hero-panel h2,
  body[data-page="shaderlex-landing"] .shaderlex-section-head h2 {
    max-width: 16ch;
  }
}

@media (max-width: 720px) {
  body[data-page="shaderlex-landing"] {
    font-size: 16px;
    background:
      radial-gradient(circle at 88% 3%, rgba(45, 110, 160, 0.18), transparent 18rem),
      linear-gradient(180deg, #071019 0, #0c1520 48rem, #f4f7fa 48rem, #eef3f7 100%);
  }

  body[data-page="shaderlex-landing"] .shaderlex-header,
  body[data-page="shaderlex-landing"] .shaderlex-landing {
    width: min(100%, calc(100% - 22px));
  }

  body[data-page="shaderlex-landing"] .shaderlex-header h1 {
    font-size: clamp(3rem, 18vw, 4.4rem);
  }

  body[data-page="shaderlex-landing"] .shaderlex-visual-hero,
  body[data-page="shaderlex-landing"] .shaderlex-section {
    border-radius: 20px;
  }

  body[data-page="shaderlex-landing"] .shaderlex-hero-panel h2 {
    font-size: clamp(2.1rem, 12vw, 3.05rem);
  }

  body[data-page="shaderlex-landing"] .shaderlex-section-head h2 {
    font-size: clamp(2rem, 11vw, 2.8rem);
  }

  body[data-page="shaderlex-landing"] .shaderlex-header-actions,
  body[data-page="shaderlex-landing"] .shaderlex-hero-actions,
  body[data-page="shaderlex-landing"] .shaderlex-family-links {
    display: grid;
    justify-content: stretch;
    justify-items: stretch;
    justify-self: stretch;
    width: 100%;
  }

  body[data-page="shaderlex-landing"] .shaderlex-header-actions a,
  body[data-page="shaderlex-landing"] .shaderlex-hero-actions a,
  body[data-page="shaderlex-landing"] .shaderlex-family-links a {
    width: 100%;
  }

  body[data-page="shaderlex-landing"] .shaderlex-glossary-grid {
    grid-template-columns: 1fr;
  }
}