/* Theme system: modern light + dark (Relearn variants) */
html[data-r-theme-variant="relearn-light"] {
  --PRIMARY-color: #574b60;
  --PRIMARY-HOVER-color: #3f334d;
  --SECONDARY-color: #5a56b1;
  --SECONDARY-HOVER-color: #403a8a;
  --ACCENT-color: #a36a4f;
  --ACCENT-HOVER-color: #8b5640;

  --MAIN-BG-color: #f6f2e8;
  --MAIN-TEXT-color: #2e2437;
  --MAIN-TITLES-TEXT-color: #3b2f46;
  --MAIN-LINK-color: #3f49c9;
  --MAIN-LINK-HOVER-color: #2f3296;
  --MAIN-TOPBAR-BORDER-color: rgba(63, 51, 77, 0.12);

  --CODE-BLOCK-BG-color: rgba(255, 255, 255, 0.92);
  --CODE-BLOCK-BORDER-color: rgba(125, 132, 145, 0.2);
  --CODE-INLINE-BG-color: rgba(246, 242, 232, 0.9);
  --CODE-INLINE-BORDER-color: rgba(125, 132, 145, 0.25);

  --gdtf-surface: #faf5ec;
  --gdtf-surface-2: #f3ede2;
  --gdtf-accent-border: rgba(163, 106, 79, 0.45);
  --gdtf-border: rgba(63, 51, 77, 0.12);
  --gdtf-border-strong: rgba(63, 51, 77, 0.22);
  --gdtf-shadow: 0 10px 30px rgba(63, 51, 77, 0.08);
  --gdtf-shadow-strong: 0 16px 40px rgba(63, 51, 77, 0.12);
  --gdtf-bg-gradient: linear-gradient(135deg, rgba(246, 242, 232, 0.92), rgba(192, 197, 193, 0.25));

  --MENU-SECTIONS-BG-color: #f3efe5;
  --MENU-SECTIONS-ACTIVE-BG-color: #ebe4d7;
  --MENU-SECTIONS-LINK-color: #574b60;
  --MENU-SECTIONS-LINK-HOVER-color: #3f334d;
  --MENU-SECTION-ACTIVE-CATEGORY-color: #3f334d;
  --MENU-SECTION-SEPARATOR-color: rgba(63, 51, 77, 0.18);
  --MENU-SEARCH-BG-color: rgba(246, 242, 232, 0.9);
  --MENU-SEARCH-color: #574b60;
  --MENU-SEARCH-BORDER-color: rgba(63, 51, 77, 0.18);
  --MENU-HEADER-color: #574b60;
  --MENU-HOME-LINK-color: #574b60;
  --MENU-HOME-LINK-HOVER-color: #3f334d;
  --MENU-HEADER-BG-color: #f1e9db;
  --MENU-HEADER-BORDER-color: rgba(63, 51, 77, 0.12);
  --MENU-SECTIONS-ACTIVE-BG-color: #ebe4d7;
}

html[data-r-theme-variant="relearn-dark"] {
  --PRIMARY-color: #f1e6d6;
  --PRIMARY-HOVER-color: #d6c6b2;
  --SECONDARY-color: #e2c2a1;
  --SECONDARY-HOVER-color: #f2d5b7;
  --ACCENT-color: #d4a876;
  --ACCENT-HOVER-color: #f0c28e;

  --MAIN-BG-color: #2f2a26;
  --MAIN-TEXT-color: #f7efe2;
  --MAIN-TITLES-TEXT-color: #f7efe2;
  --MAIN-LINK-color: #f2c07b;
  --MAIN-LINK-HOVER-color: #ffd7a6;
  --MAIN-TOPBAR-BORDER-color: rgba(241, 230, 214, 0.12);

  --CODE-BLOCK-BG-color: rgba(47, 42, 38, 0.8);
  --CODE-BLOCK-BORDER-color: rgba(241, 230, 214, 0.12);
  --CODE-INLINE-BG-color: rgba(58, 51, 46, 0.85);
  --CODE-INLINE-BORDER-color: rgba(241, 230, 214, 0.15);

  --gdtf-surface: #3a332e;
  --gdtf-surface-2: rgba(58, 51, 46, 0.92);
  --gdtf-accent-border: rgba(184, 159, 134, 0.55);
  --gdtf-border: rgba(241, 230, 214, 0.12);
  --gdtf-border-strong: rgba(241, 230, 214, 0.22);
  --gdtf-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --gdtf-shadow-strong: 0 16px 40px rgba(0, 0, 0, 0.45);
  --gdtf-bg-gradient: linear-gradient(135deg, rgba(47, 42, 38, 0.95), rgba(58, 51, 46, 0.7));

  --MENU-SECTIONS-BG-color: #3a332e;
  --MENU-SECTIONS-ACTIVE-BG-color: rgba(47, 42, 38, 0.85);
  --MENU-SECTIONS-LINK-color: #f1e6d6;
  --MENU-SECTIONS-LINK-HOVER-color: #d6c6b2;
  --MENU-SECTION-ACTIVE-CATEGORY-color: #f1e6d6;
  --MENU-SECTION-SEPARATOR-color: rgba(241, 230, 214, 0.18);
  --MENU-SEARCH-BG-color: rgba(47, 42, 38, 0.85);
  --MENU-SEARCH-color: #f1e6d6;
  --MENU-SEARCH-BORDER-color: rgba(241, 230, 214, 0.18);
  --MENU-HEADER-color: #f1e6d6;
  --MENU-HOME-LINK-color: #f1e6d6;
  --MENU-HOME-LINK-HOVER-color: #d6c6b2;
  --MENU-HEADER-BG-color: #2f2a26;
  --MENU-HEADER-BORDER-color: rgba(241, 230, 214, 0.14);
}

body,
#R-body {
  background: var(--gdtf-bg-gradient, var(--MAIN-BG-color));
  color: var(--MAIN-TEXT-color);
}

/* Search highlight */
mark,
mark.search {
  background: rgba(243, 198, 110, 0.45);
  color: #2e2437;
  border-radius: 0.6em 0.25rem;
  padding: 0.05rem 0.2rem;
}

html[data-r-theme-variant="relearn-dark"] mark,
html[data-r-theme-variant="relearn-dark"] mark.search {
  background: rgba(242, 192, 123, 0.25);
  color: #f7efe2;
}

#R-html .autocomplete-suggestion b {
  color: var(--ACCENT-color);
}

/* Search autocomplete theming */
#R-html .autocomplete-suggestions {
  background: var(--gdtf-surface);
  border: 1px solid var(--gdtf-border);
  box-shadow: var(--gdtf-shadow);
}

#R-html .autocomplete-suggestion {
  color: var(--MENU-SECTIONS-LINK-color);
}

#R-html .autocomplete-suggestion > .breadcrumbs,
#R-html .autocomplete-suggestion > .context {
  color: color-mix(in srgb, var(--MENU-SECTIONS-LINK-color) 60%, transparent);
}

#R-html .autocomplete-suggestion b {
  color: var(--ACCENT-color);
  font-weight: 600;
}

#R-html .autocomplete-suggestion.selected,
#R-html .autocomplete-suggestion:hover,
#R-html .autocomplete-suggestion:focus,
#R-html .autocomplete-suggestion:active,
#R-html .autocomplete-suggestion:hover > .context,
#R-html .autocomplete-suggestion:focus > .context,
#R-html .autocomplete-suggestion:active > .context {
  background: var(--gdtf-surface-2);
  color: var(--MENU-SECTIONS-LINK-HOVER-color);
}

html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestions {
  background: #3a332e;
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--gdtf-shadow-strong);
}

html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestion.selected,
html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestion:hover,
html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestion:focus,
html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestion:active,
html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestion:hover > .context,
html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestion:focus > .context,
html[data-r-theme-variant="relearn-dark"] #R-html .autocomplete-suggestion:active > .context {
  background: rgba(255, 255, 255, 0.08);
}

#R-body-inner,
.gdtf-home,
.gdtf-blog-list,
.gdtf-category,
.gdtf-blog-single {
  background: transparent;
}

#G-mainbar,
#R-topbar,
.gdtf-site-footer {
  background: var(--gdtf-surface);
  border-color: var(--gdtf-border);
  box-shadow: var(--gdtf-shadow);
}

html[data-r-theme-variant="relearn-light"] .gdtf-site-footer {
  background: var(--gdtf-surface-2);
}

/* Mobile sidebar flyout */
#R-sidebar {
  border-right: 1px solid var(--gdtf-border);
  box-shadow: var(--gdtf-shadow-strong);
}

.mobile-support.sidebar-flyout #R-body-overlay {
  background-color: rgba(63, 51, 77, 0.35);
  backdrop-filter: blur(2px);
}

#R-homelinks {
  background: transparent;
  color: var(--MENU-SECTIONS-LINK-color);
}

#R-homelinks :is(a, span, label) {
  color: var(--MENU-SECTIONS-LINK-color);
}

#R-homelinks a:hover,
#R-homelinks label:hover {
  color: var(--MENU-SECTIONS-LINK-HOVER-color);
}

#R-homelinks .gdtf-docs-nav-title a {
  color: var(--MAIN-TITLES-TEXT-color);
}

#R-homelinks .gdtf-docs-nav-tree a {
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: 8px;
}

#R-homelinks .gdtf-docs-nav-tree li.active > a {
  background: var(--MENU-SECTIONS-ACTIVE-BG-color);
  color: var(--MAIN-TITLES-TEXT-color);
  font-weight: 600;
}

/* Show nested section links inside the mobile flyout menu */
#R-sidebar #R-homelinks .gdtf-docs-nav-tree li ul {
  display: block;
}

#R-header-wrapper {
  background: var(--MENU-HEADER-BG-color);
  border-bottom: 1px solid var(--MENU-HEADER-BORDER-color);
}

#R-sidebar {
  background: var(--MENU-SECTIONS-BG-color);
}

/* Allow long mobile flyout menu to scroll */
.mobile-support.sidebar-flyout #R-sidebar {
  height: 100vh;
  overflow-y: auto !important;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.mobile-support.sidebar-flyout #R-homelinks {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

html[data-r-theme-variant="relearn-light"] #R-sidebar,
html[data-r-theme-variant="relearn-light"] #R-homelinks,
html[data-r-theme-variant="relearn-light"] #R-content-wrapper {
  background: #f3efe5;
}

html[data-r-theme-variant="relearn-light"] #R-homelinks li.active > a {
  background: #e1d7c5;
  color: #3f334d;
}

html[data-r-theme-variant="relearn-light"] #R-homelinks :is(a, span, label) {
  color: #2f2538;
}

html[data-r-theme-variant="relearn-light"] #R-homelinks a:hover,
html[data-r-theme-variant="relearn-light"] #R-homelinks label:hover {
  color: #2f2538;
}

html[data-r-theme-variant="relearn-dark"] #R-sidebar,
html[data-r-theme-variant="relearn-dark"] #R-homelinks,
html[data-r-theme-variant="relearn-dark"] #R-content-wrapper {
  background: #3a332e;
}

html[data-r-theme-variant="relearn-dark"] #R-homelinks :is(a, span, label) {
  color: #f2ece5;
}

html[data-r-theme-variant="relearn-dark"] #R-homelinks li.active > a {
  background: #4a413b;
  color: #ffffff;
}

html[data-r-theme-variant="relearn-dark"] #R-header-wrapper .gdtf-brand,
html[data-r-theme-variant="relearn-dark"] #R-header-wrapper a {
  color: #ffffff;
  font-weight: 700;
}

html[data-r-theme-variant="relearn-dark"] #R-header-wrapper #R-logo .logo-title {
  color: #ffffff;
  font-weight: 700;
}

/* Sidebar hierarchy */
#R-homelinks ul ul a {
  font-size: 0.92rem;
  opacity: 0.82;
}

#R-homelinks ul ul {
  padding-left: 1.25rem;
}

@media (max-width: 700px) {
  #R-sidebar .R-sidebarmenu > ul {
    margin-top: 0.5rem;
  }
}

.gdtf-mainbar-right .searchbox,
#R-topbar .searchbox,
search .searchbox {
  background: var(--gdtf-surface-2);
  border: 1px solid rgba(63, 51, 77, 0.28);
  border-radius: 10px;
}

/* Topbar flyouts (TOC / More) */
#R-topbar .topbar-content {
  background: var(--gdtf-surface);
  border: 1px solid var(--gdtf-border);
  box-shadow: var(--gdtf-shadow-strong);
  border-radius: 12px;
  color: var(--MAIN-TEXT-color);
}

#R-topbar .topbar-content-wrapper {
  padding: 0.6rem 0.75rem;
}

#R-topbar .topbar-content a {
  color: var(--MAIN-LINK-color);
}

#R-topbar .topbar-content a:hover {
  color: var(--MAIN-LINK-HOVER-color);
}

#R-topbar .topbar-content nav#TableOfContents a {
  display: block;
  padding: 0.25rem 0.35rem;
  border-radius: 8px;
}

#R-topbar .topbar-content nav#TableOfContents a:hover {
  background: var(--gdtf-surface-2);
}

#R-topbar .topbar-content .topbar-area-more {
  padding: 0.25rem 0.35rem;
}

#R-topbar .topbar-content .topbar-area-more a {
  display: block;
  padding: 0.3rem 0.35rem;
  border-radius: 8px;
}

#R-topbar .topbar-content .topbar-area-more a:hover {
  background: var(--gdtf-surface-2);
}

.gdtf-card,
.gdtf-project,
.gdtf-blog-recent .gdtf-blog-recent-title,
.gdtf-category,
.gdtf-blog-single {
  background: var(--gdtf-surface-2);
  border: 1px solid var(--gdtf-border);
  box-shadow: var(--gdtf-shadow);
}

.gdtf-blog-recent .gdtf-blog-recent-title {
  background: transparent;
  border: 0;
  box-shadow: none;
}

/* Blog/article cards with accent line */
.gdtf-card,
.gdtf-blog-recent,
.gdtf-blog-single {
  border-left: 4px solid var(--gdtf-accent-border, var(--ACCENT-color));
}

/* Recent uploads block blends with page background */
.gdtf-blog-recent {
  background: transparent;
}

.gdtf-card:hover,
.gdtf-project:hover,
.gdtf-blog-recent:hover {
  border-color: var(--gdtf-border-strong);
  box-shadow: var(--gdtf-shadow-strong);
  transform: translateY(-2px);
  transition: box-shadow 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.gdtf-card,
.gdtf-project,
.gdtf-blog-recent,
.gdtf-category,
.gdtf-blog-single {
  border-radius: 12px;
}

.gdtf-project h3,
.gdtf-card h3,
.gdtf-card h4,
.gdtf-section-header h2,
.gdtf-blog-header h1 {
  color: var(--MAIN-TITLES-TEXT-color);
}

a,
.gdtf-more-link {
  color: var(--MAIN-LINK-color);
}

a:hover,
.gdtf-more-link:hover {
  color: var(--MAIN-LINK-HOVER-color);
}

/* Secondary topbar styling */
#R-topbar {
  border-bottom: 1px solid var(--gdtf-border);
}

.topbar-sidebar-divider {
  display: none;
}

#R-topbar .topbar-breadcrumbs {
  color: var(--MAIN-TITLES-TEXT-color);
  font-weight: 600;
}

@media (max-width: 700px) {
  #R-topbar .topbar-breadcrumbs {
    font-size: 0.95rem;
  }
}

/* Full-width content when sidebar is disabled */
#R-body-inner {
  margin-left: 0;
}

#R-body-inner .flex-block-wrapper {
  width: 100%;
  max-width: none;
}

#R-body-inner .flex-block-wrapper > * {
  max-width: none;
}

@media (min-width: 900px) {
  #R-body-inner {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Force full width content (override theme max-width constraints) */
#R-body .flex-block-wrapper {
  max-width: 100% !important;
  width: 100% !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.main-max-width #R-body .flex-block-wrapper {
  max-width: 100% !important;
  width: 100% !important;
}

#R-body-inner {
  padding-left: 2rem !important;
  padding-right: 2rem !important;
}

#R-body-inner:has(> .flex-block-wrapper article.narrow) {
  padding-left: 2rem !important;
  padding-right: 2rem !important;
}

@media (max-width: 700px) {
  #R-body-inner {
    padding-left: 1rem !important;
    padding-right: 1rem !important;
  }
}

/* Site footer with variant selector */
.gdtf-site-footer {
  border-top: 1px solid var(--MAIN-LINE-color, rgba(0, 0, 0, 0.08));
  background: var(--MAIN-BG-color, #fff);
  color: var(--MAIN-TEXT-color, #1a1a1a);
  padding: 0.75rem 2rem;
  box-shadow: 0 -12px 24px rgba(0, 0, 0, 0.08);
  max-width: 1100px;
  width: calc(100% - 4rem);
  margin: 1.5rem auto 2rem;
  border-radius: 12px;
}

html[data-r-theme-variant="relearn-dark"] .gdtf-site-footer {
  box-shadow: 0 -12px 28px rgba(0, 0, 0, 0.5);
}
@media (max-width: 700px) {
  .gdtf-site-footer {
    width: calc(100% - 2rem);
    margin: 1rem auto 1.5rem;
    border-radius: 10px;
  }
}

.gdtf-site-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.gdtf-site-footer-left {
  font-size: 0.95rem;
}

.gdtf-site-footer-right {
  display: inline-flex;
  align-items: center;
}

.gdtf-footer-variants {
  list-style: none;
  margin: 0;
  padding: 0;
}

.gdtf-footer-variants .R-variantswitcher {
  list-style: none;
  margin: 0;
  padding: 0;
}

.gdtf-footer-variants .menu-control {
  padding: 0;
}

.gdtf-footer-variants .menu-control i,
.gdtf-footer-variants .menu-control span {
  float: none;
  display: inline-block;
  vertical-align: middle;
}

.gdtf-footer-variants .menu-control .control-style {
  display: inline-block;
  vertical-align: middle;
}

.gdtf-footer-variants .menu-control .clear {
  display: none;
}

@media (max-width: 700px) {
  .gdtf-site-footer {
    padding: 0.75rem 1rem;
  }
}

@media (max-width: 900px) {
  #R-body .flex-block-wrapper {
    margin-left: auto !important;
    margin-right: auto !important;
    max-width: 100% !important;
  }
  #R-body article {
    width: auto !important;
  }
}

@media (max-width: 900px) {
  #R-topbar .topbar-wrapper {
    flex-wrap: nowrap;
  }
  #R-topbar .topbar-area-start,
  #R-topbar .topbar-area-end {
    flex: 0 0 auto;
  }
  #R-topbar .topbar-breadcrumbs {
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* Mobile sidebar page nav */

/* Force Relearn layout variables to full width and no menu offset */
:root {
  --MAIN-WIDTH-MAX: 100%;
}

@media (min-width: 901px) {
  :root {
    --MENU-WIDTH-L: 0rem;
    --MENU-WIDTH-M: 0rem;
    --MENU-WIDTH-S: 0rem;
  }
}

@media (max-width: 900px) {
  :root {
    --MENU-WIDTH-L: 18rem;
    --MENU-WIDTH-M: 18rem;
    --MENU-WIDTH-S: 18rem;
  }
}

#R-content-wrapper {
  max-width: 100% !important;
}

#R-body article {
  max-width: none !important;
  width: 100% !important;
}

/* Make topbar buttons align with our right area */
.gdtf-topbar-right .topbar-button {
  margin-right: 0.25rem;
}

/* Main top bar (site-wide navigation) */
#G-mainbar {
  position: sticky;
  top: 0;
  z-index: 2000;
  background: var(--MAIN-BG-color, #fff);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.gdtf-mainbar-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.5rem 2rem;
  flex-wrap: wrap;
}

.gdtf-mainbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.gdtf-mainbar-right search {
  width: min(420px, 45vw);
}

.gdtf-mainbar-right {
  flex: 1 1 320px;
  display: flex;
  justify-content: flex-end;
}

.gdtf-mainbar-right .searchbox {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 6px;
}

.gdtf-mainbar-right .searchbox input {
  color: var(--INTERNAL-MAIN-TEXT-color);
}

.gdtf-mainbar-right .searchbox .fas {
  color: var(--INTERNAL-MAIN-TEXT-color);
  opacity: 0.7;
}
.gdtf-brand {
  font-weight: 700;
  white-space: nowrap;
}

.gdtf-topnav ul {
  list-style: none;
  display: flex;
  gap: 0.9rem;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

.gdtf-topnav a {
  text-decoration: none;
}

.gdtf-topnav li.active > a {
  font-weight: 700;
  text-decoration: underline;
}

@media (max-width: 700px) {
  .gdtf-mainbar-wrapper {
    padding: 0.5rem 1rem;
  }
  .gdtf-mainbar-right {
    flex: 1 1 100%;
    width: 100%;
  }
  .gdtf-mainbar-right search {
    width: 100%;
  }
}

/* 3-column docs layout: section menu + content + TOC */
.gdtf-docs-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr) 220px;
  gap: 2rem;
  align-items: start;
}

.gdtf-docs-nav {
  position: sticky;
  top: calc(var(--MAIN-TOPBAR-height, 3rem) + 3rem);
  max-height: calc(100vh - 6rem);
  overflow: auto;
  padding-right: 0.5rem;
  border-right: 1px solid rgba(0, 0, 0, 0.06);
}


.gdtf-docs-nav-title {
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.gdtf-docs-nav-tree {
  list-style: none;
  padding: 0;
  margin: 0;
}

.gdtf-docs-nav-tree li {
  margin: 0.25rem 0;
}

.gdtf-docs-nav-tree li ul {
  list-style: none;
  padding-left: 1rem;
  margin: 0.25rem 0;
}

.gdtf-docs-nav-tree li.active > a {
  font-weight: 700;
  text-decoration: underline;
}

.gdtf-docs-section-title {
  display: block;
  margin: 0.75rem 0 0.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--MAIN-TEXT-color) 70%, transparent);
}

/* GDTF expectations table */
.gdtfTable {
  background: var(--gdtf-surface-2);
  border: 1px solid var(--gdtf-border);
  border-radius: 12px;
  box-shadow: var(--gdtf-shadow);
  padding: 1rem;
  overflow-x: auto;
}

.gdtfTable table {
  width: 100%;
  border-collapse: collapse;
}

.gdtfTable th,
.gdtfTable td {
  border: 1px solid var(--gdtf-border);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

.gdtfTable th {
  background: color-mix(in srgb, var(--gdtf-surface) 75%, var(--ACCENT-color) 25%);
  color: var(--MAIN-TEXT-color);
  text-align: center;
}

.gdtfTable tr:nth-child(1),
.gdtfTable tr:nth-child(10),
.gdtfTable tr:nth-child(18),
.gdtfTable tr:nth-child(23),
.gdtfTable tr:nth-child(28) {
  background: var(--gdtf-surface);
  font-weight: 600;
}

.gdtfTable tr:nth-child(-n+9):nth-child(n+2) td:nth-child(1) {
  background: color-mix(in srgb, #f0c74a 35%, var(--gdtf-surface) 65%);
}

.gdtfTable tr:nth-child(-n+17):nth-child(n+11) td:nth-child(1) {
  background: color-mix(in srgb, #7ccf98 35%, var(--gdtf-surface) 65%);
}

.gdtfTable tr:nth-child(-n+22):nth-child(n+19) td:nth-child(1) {
  background: color-mix(in srgb, #7fb5e8 35%, var(--gdtf-surface) 65%);
}

.gdtfTable tr:nth-child(-n+27):nth-child(n+24) td:nth-child(1) {
  background: color-mix(in srgb, #f0d564 35%, var(--gdtf-surface) 65%);
}

.gdtfTable tr:nth-child(-n+37):nth-child(n+29) td:nth-child(1) {
  background: color-mix(in srgb, #9a9a9a 35%, var(--gdtf-surface) 65%);
}

.gdtf-docs-toc {
  position: sticky;
  top: calc(var(--MAIN-TOPBAR-height, 3rem) + 3rem);
  max-height: calc(100vh - 6rem);
  overflow: auto;
  padding-left: 0.5rem;
  border-left: 1px solid rgba(0, 0, 0, 0.06);
}

.gdtf-docs-toc nav#TableOfContents {
  font-size: 0.9rem;
}

@media (max-width: 1200px) {
  .gdtf-docs-layout {
    grid-template-columns: 200px minmax(0, 1fr);
  }
  .gdtf-docs-toc {
    display: none;
  }
}

@media (max-width: 900px) {
  .gdtf-docs-layout {
    grid-template-columns: 1fr;
  }
  .gdtf-docs-nav {
    display: none;
  }
}

/* Mobile section menu drawer (uses Relearn toggle) */
@media (max-width: 900px) {
  #R-sidebar {
    width: 18rem;
  }
}

@media (min-width: 901px) {
  #R-sidebar {
    display: none !important;
  }
}

/* Home page layout */
.gdtf-home {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding: 2rem 2rem 3rem;
}

.gdtf-home-section h1,
.gdtf-home-section h2 {
  margin: 0 0 1rem;
}

.gdtf-hero {
  text-align: center;
}

.gdtf-hero h1 {
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  line-height: 1.2;
  max-width: 48rem;
  margin: 0 auto 1rem;
}

.gdtf-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.gdtf-more-link {
  font-weight: 600;
}

.gdtf-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.gdtf-card {
  border: 1px solid var(--gdtf-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--gdtf-surface-2);
}

.gdtf-card img {
  display: block;
  width: 100%;
  height: auto;
}

.gdtf-card-body {
  padding: 1rem;
}

.gdtf-project-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.gdtf-project {
  display: block;
  text-decoration: none;
  border: 1px solid var(--gdtf-border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--gdtf-surface-2);
  padding-bottom: 0.5rem;
}

.gdtf-project h3 {
  text-align: center;
  margin: 0.75rem 0;
}

.gdtf-project img {
  display: block;
  width: 100%;
  height: auto;
}

.gdtf-two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.gdtf-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.gdtf-home-content {
  max-width: 60rem;
}

@media (max-width: 1200px) {
  .gdtf-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gdtf-project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gdtf-feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .gdtf-home {
    padding: 1rem 1rem 2rem;
  }
  .gdtf-card-grid,
  .gdtf-project-grid,
  .gdtf-feature-grid,
  .gdtf-two-col {
    grid-template-columns: 1fr;
  }
  .gdtf-section-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Hide secondary (Relearn) topbar on home/landing page */
body.home #R-topbar {
  display: none;
}

body.home #R-body-inner {
  padding-top: 0;
}

/* Hide secondary topbar on landing page (home has no body class) */
body[data-origin="/index.html"] #R-topbar {
  display: none;
}

/* Blog listing */
.gdtf-blog-list {
  padding: 2rem 2rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.gdtf-blog-header h1 {
  margin: 0 0 0.5rem;
}

.gdtf-blog-intro {
  max-width: 60rem;
}

.gdtf-blog-recent {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 8px;
  padding: 1rem;
}

.gdtf-blog-recent-title {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.gdtf-blog-recent-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
}

.gdtf-blog-recent-list li {
  margin: 0.25rem 0;
}

.gdtf-factory-icon {
  margin-left: 0.25rem;
  vertical-align: baseline;
}

.gdtf-rss {
  margin-left: auto;
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  color: var(--MAIN-TEXT-color);
  opacity: 0.7;
  text-decoration: none;
  background: transparent;
  padding: 0;
  border: 0;
}

.gdtf-rss:hover {
  color: var(--MAIN-LINK-HOVER-color);
  opacity: 1;
  text-decoration: underline;
}

.gdtf-blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1.5rem;
  align-items: start;
}

.gdtf-blog-recent {
  position: sticky;
  top: 0.2rem;
  max-height: calc(100vh - 6rem);
  overflow: auto;
}

.gdtf-blog-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.gdtf-blog-pagination {
  display: flex;
  justify-content: center;
}

@media (max-width: 1200px) {
  .gdtf-blog-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
  }
  .gdtf-blog-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .gdtf-blog-list {
    padding: 1rem 1rem 2rem;
  }
  .gdtf-blog-layout {
    grid-template-columns: 1fr;
  }
  .gdtf-blog-recent {
    position: static;
    max-height: none;
    order: 2;
  }
  .gdtf-blog-cards {
    grid-template-columns: 1fr;
  }
}

/* Hide secondary topbar on blog section (listing + posts) */
body[data-origin^="/blog/"] #R-topbar {
  display: none;
}

/* Hide secondary topbar on categories section */
body[data-origin^="/categories/"] #R-topbar {
  display: none;
}

/* Hide date/footer on docs + gdtf + mvr section pages */
body[data-origin^="/docs/"] footer.footline,
body[data-origin^="/gdtf/"] footer.footline,
body[data-origin^="/mvr/"] footer.footline {
  display: none !important;
}

/* Hide secondary topbar on full-page tools */
body[data-origin^="/gdtf/gdtf_bench/"] #R-topbar,
body[data-origin^="/gdtf/gdtf_fixturefinder/"] #R-topbar,
body[data-origin^="/mvr/mvr_artist/"] #R-topbar {
  display: none;
}

/* Blog single */
.gdtf-blog-single {
  padding: 2rem 2rem 3rem;
  width: 100%;
  max-width: 720px !important;
  margin: 0 auto;
}

#R-body-inner .gdtf-blog-single {
  max-width: 720px !important;
}

.gdtf-blog-header h1 {
  margin: 0 0 0.5rem;
}

.gdtf-blog-lead {
  font-size: 1.1rem;
}

.gdtf-blog-hero {
  width: 100%;
  height: auto;
  margin: 1rem 0;
}

.gdtf-blog-content img,
.gdtf-blog-content figure img {
  height: auto !important;
  max-width: 100%;
}

.gdtf-blog-attribution {
  font-size: 0.9rem;
  opacity: 0.8;
}

.gdtf-blog-prevnext {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
}

@media (max-width: 800px) {
  .gdtf-blog-single {
    padding: 1rem 1rem 2rem;
    max-width: none;
  }
  .gdtf-blog-prevnext {
    flex-direction: row;
    gap: 0.75rem;
  }
  .gdtf-blog-prevnext a {
    max-width: 48%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .gdtf-blog-prevnext .gdtf-next {
    margin-left: auto;
    text-align: right;
  }
}

/* Category pages */
.gdtf-category {
  padding: 2rem 2rem 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.gdtf-category-header h1 {
  margin: 0 0 0.5rem;
}

.gdtf-category-image img {
  width: 100%;
  max-width: 420px;
  height: auto;
}

.gdtf-category-company {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  margin: 1rem 0;
}

.gdtf-category-projects ul {
  padding-left: 1.25rem;
}

.gdtf-gh-stars {
  display: inline-flex;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  overflow: hidden;
  vertical-align: middle;
  margin-left: 0.25rem;
}

.gdtf-gh-star,
.gdtf-gh-count {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  font-size: 0.85rem;
  line-height: 1.2;
}

.gdtf-gh-star {
  background: rgba(0, 0, 0, 0.05);
}

.gdtf-gh-count {
  background: #fff;
}

/* Project listing GitHub stars (match category badge) */
.btn-group {
  display: inline-flex;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  overflow: hidden;
  vertical-align: middle;
  margin-left: 0.25rem;
}

.btn-group .btn {
  border: 0;
  background: #fff;
  padding: 0.1rem 0.45rem;
  font-size: 0.85rem;
  line-height: 1.2;
}

.btn-group .btn:first-child {
  background: rgba(0, 0, 0, 0.05);
  color: inherit;
}

.btn-group .btn + .btn {
  border-left: 1px solid rgba(0, 0, 0, 0.15);
}

.btn-outline-primary {
  color: inherit;
}

.btn-group .btn svg {
  width: 0.9rem;
  height: 0.9rem;
  vertical-align: text-bottom;
  fill: currentColor;
}

html[data-r-theme-variant="relearn-dark"] .gdtf-gh-stars,
html[data-r-theme-variant="relearn-dark"] .btn-group {
  border-color: rgba(255, 255, 255, 0.18);
}

html[data-r-theme-variant="relearn-dark"] .gdtf-gh-star,
html[data-r-theme-variant="relearn-dark"] .btn-group .btn:first-child {
  background: rgba(255, 255, 255, 0.12);
  color: #f2ece5;
}

html[data-r-theme-variant="relearn-dark"] .gdtf-gh-count,
html[data-r-theme-variant="relearn-dark"] .btn-group .btn {
  background: rgba(255, 255, 255, 0.06);
  color: #f2ece5;
}

html[data-r-theme-variant="relearn-dark"] .btn-group .btn + .btn {
  border-left-color: rgba(255, 255, 255, 0.18);
}

.gdtf-category-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .gdtf-category {
    padding: 1rem 1rem 2rem;
  }
  .gdtf-category-cards {
    grid-template-columns: 1fr;
  }
}

/* Project listing filter chips (inline flow) */
.gdtf-project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin: 0.25rem 0;
}

.gdtf-filter-label {
  margin-right: 0.4rem;
  color: var(--MAIN-TITLES-TEXT-color);
  font-weight: 600;
}

.gdtf-filter-chip {
  border: 1px solid rgba(0, 0, 0, 0.4);
  border-radius: 6px;
  padding: 0.15rem 0.5rem;
  display: inline-flex;
  gap: 0.35rem;
  align-items: center;
  background: rgba(255, 255, 255, 0.45);
  color: var(--MAIN-TEXT-color);
}

.gdtf-filter-chip input {
  margin: 0;
}

/* Project listing filter visibility */
#listing.hidden {
  display: none;
}
#listing.visible {
  display: list-item;
}

/* Project listing contrast */
body[data-origin^="/docs/list-of-projects/"] #listing {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--gdtf-border-strong);
}

body[data-origin^="/docs/list-of-projects/"] #listing > div {
  background: rgba(255, 255, 255, 0.55);
  border-radius: 10px;
  padding: 0.4rem 0.6rem;
}

html[data-r-theme-variant="relearn-dark"] .gdtf-filter-chip {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.08);
  color: var(--MAIN-TEXT-color);
}

html[data-r-theme-variant="relearn-dark"] body[data-origin^="/docs/list-of-projects/"] #listing {
  border-bottom-color: rgba(255, 255, 255, 0.2);
}

html[data-r-theme-variant="relearn-dark"] body[data-origin^="/docs/list-of-projects/"] #listing > div {
  background: rgba(0, 0, 0, 0.2);
}

/* Blog pagination horizontal */
.gdtf-blog-pagination ul,
.gdtf-blog-pagination ol {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
  align-items: center;
}

.gdtf-blog-pagination li {
  display: inline-block;
}

/* Previous/next report links */
.report-previousnext {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: nowrap;
}

.report-previousnext a:last-child {
  margin-left: auto;
}

@media (max-width: 700px) {
  .report-previousnext a {
    max-width: 48%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .report-previousnext a:last-child {
    text-align: right;
  }
}

/* Attributes page */
.gdtf-attributes-header {
  margin-bottom: 1.25rem;
}

.gdtf-attributes-lead {
  font-size: 1rem;
  opacity: 0.9;
}

.gdtf-attributes-search {
  width: clamp(260px, 40vw, 520px);
  padding: 0.4rem 0.6rem;
  margin: 0.5rem 0 0.25rem;
}

.gdtf-attributes-count {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-bottom: 0.5rem;
}

.contain {
  display: table;
  width: 100%;
  height: auto;
  margin: 10px 0;
}

.contain .te {
  display: table-cell;
  height: 100%;
  min-height: 90px;
  width: 80%;
  float: left;
}

.contain .im {
  display: block;
  height: 90px;
  float: right;
}

.contain .clear {
  clear: both;
}

/* Hide article header/title on full-page tools */
body[data-origin^="/gdtf/gdtf_bench/"] .headline,
body[data-origin^="/gdtf/gdtf_fixturefinder/"] .headline,
body[data-origin^="/mvr/mvr_artist/"] .headline {
  display: none;
}

body[data-origin^="/gdtf/gdtf_bench/"] article > h1,
body[data-origin^="/gdtf/gdtf_fixturefinder/"] article > h1,
body[data-origin^="/mvr/mvr_artist/"] article > h1 {
  display: none;
}

body[data-origin^="/gdtf/gdtf_bench/"] h1#GDTF-Bench-Online,
body[data-origin^="/gdtf/gdtf_fixturefinder/"] h1#GDTF-Fixture-Finder,
body[data-origin^="/mvr/mvr_artist/"] h1#mvr-artist {
  display: none;
}

/* 404 page */
.gdtf-404 {
  max-width: 720px;
  margin: 2rem auto;
  text-align: center;
}

.gdtf-404-image {
  margin: 1rem 0;
}