/* ═══════════════════════════════════════════════════════════
   GO Knowledge HUB v22.0 — Stylesheet
   V22: Noto Sans font, brand color #00B3A6, breadcrumb z-index fix, audience & save fix
   Scoped under .go-hub-wrap to avoid Divi conflicts
   ═══════════════════════════════════════════════════════════ */

/* ─── CSS Variables ─────────────────────────────────────── */
.go-hub-wrap {
  /* Brand teal palette */
  --teal900:#0E6655; --teal700:#148F77; --teal500:#00B3A6; --teal300:#A3E4D7; --teal100:#e4f9f5;
  --teal-bg:#f0fffe;
  /* Categorical palette (GO brand) */
  --cat-blue:#0087bc; --cat-blue-light:#e6f4fa; --cat-blue-dark:#006a95;
  --cat-orange:#f18718; --cat-orange-light:#fef3e6; --cat-orange-dark:#c16a0a;
  --cat-magenta:#ce418d; --cat-magenta-light:#fae8f2; --cat-magenta-dark:#a32e6e;
  --cat-lime:#bfce00; --cat-lime-light:#f7f9e0; --cat-lime-dark:#8fa000;
  /* Extended categorical palette */
  --cat-red:#ff6766; --cat-red-light:#fff0f0; --cat-red-dark:#cc4444;
  --cat-darkred:#ba0000; --cat-darkred-light:#fde8e8; --cat-darkred-dark:#8a0000;
  --cat-steel:#648996; --cat-steel-light:#edf3f5; --cat-steel-dark:#4a6b75;
  --cat-green:#00be9a; --cat-green-light:#e6f9f4; --cat-green-dark:#008f74;
  /* Slate neutrals */
  --slate900:#0F172A; --slate800:#1E293B; --slate700:#334155; --slate600:#475569;
  --slate500:#64748B; --slate400:#94A3B8; --slate300:#CBD5E1; --slate200:#E2E8F0; --slate100:#F1F5F9;
}

/* ─── Hide Divi page title bar on HUB page ────────────── */
.page-template-hub-page .entry-title,
.page-template-hub-page .et_post_meta_wrapper,
.page-template-hub-page .et_pb_title_container,
.page-template-hub-page #main-content > .container:first-child {
  display: none !important;
}

/* ─── Reset Divi overrides ──────────────────────────────── */
.go-hub-wrap,
.go-hub-wrap *,
.go-hub-wrap *::before,
.go-hub-wrap *::after {
  box-sizing: border-box;
}

.go-hub-wrap {
  font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--slate900);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
  letter-spacing: normal;
  word-spacing: normal;
}

.go-hub-wrap h1,
.go-hub-wrap h2,
.go-hub-wrap h3,
.go-hub-wrap h4,
.go-hub-wrap p {
  font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  padding-bottom: 0;
  margin: 0;
}

.go-hub-wrap button {
  font-family: inherit;
}

.go-hub-wrap ::selection {
  background: rgba(0, 179, 166, .3);
}

/* ─── Animations ────────────────────────────────────────── */
@keyframes go-hub-fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes go-hub-fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes go-hub-fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes go-hub-spin {
  to { transform: rotate(360deg); }
}

/* ─── Breadcrumb ────────────────────────────────────────── */
.go-hub-wrap .hub-breadcrumb {
  padding: 12px 32px;
  border-bottom: 1px solid var(--slate200);
  background: #fff;
  position: relative;
  z-index: 1;
}

.go-hub-wrap .hub-breadcrumb__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  flex-wrap: wrap;
}

.go-hub-wrap .hub-breadcrumb__sep {
  color: var(--slate400);
  padding: 0 2px;
}

.go-hub-wrap .hub-breadcrumb__link {
  color: var(--teal700);
  cursor: pointer;
  transition: color .2s;
  font-weight: 400;
  text-decoration: none;
}

.go-hub-wrap .hub-breadcrumb__link:hover {
  text-decoration: underline;
}

.go-hub-wrap .hub-breadcrumb__current {
  color: var(--slate800);
  font-weight: 600;
}

/* ─── Main container ────────────────────────────────────── */
.go-hub-wrap .hub-main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 36px 32px 60px;
}

.go-hub-wrap .hub-main.landing-mode {
  max-width: 1400px;
}

/* ─── App fade transition ──────────────────────────────── */
.go-hub-wrap #go-hub-app {
  transition: opacity .15s ease;
}

/* ─── Loading ───────────────────────────────────────────── */
.go-hub-wrap .hub-loading {
  text-align: center;
  padding: 80px 20px;
  color: var(--slate500);
}

.go-hub-wrap .hub-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--slate200);
  border-top-color: var(--teal500);
  border-radius: 50%;
  animation: go-hub-spin 0.8s linear infinite;
  margin: 0 auto 16px;
}

/* ─── Landing / Hero ────────────────────────────────────── */
.go-hub-wrap .hub-landing {
  text-align: center;
  margin-bottom: 48px;
}

.go-hub-wrap .hub-landing__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px 8px 10px;
  background: var(--slate100);
  border: 1px solid var(--slate200);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal700);
  margin-bottom: 24px;
}

.go-hub-wrap .hub-landing__badge-dot {
  width: 8px;
  height: 8px;
  background: var(--teal500);
  border-radius: 50%;
  display: inline-block;
}

.go-hub-wrap .hub-landing__title {
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--slate900);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.go-hub-wrap .hub-landing__title span {
  color: var(--teal700);
}

.go-hub-wrap .hub-landing__subtitle {
  font-size: 15px;
  color: var(--slate500);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Category Grid (Landing: 4 columns) ───────────────── */
.go-hub-wrap .hub-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1300px;
  margin: 0 auto;
}

/* V15: Big picture button on landing */
.go-hub-wrap .hub-landing__overview-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 10px 24px;
  background: var(--teal500);
  color: #fff;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all .2s;
}

.go-hub-wrap .hub-landing__overview-btn:hover {
  background: var(--teal700);
  transform: translateY(-1px);
}

.go-hub-wrap .hub-landing__overview-btn svg {
  width: 16px;
  height: 16px;
}

.go-hub-wrap .hub-category-card {
  background: #fff;
  border: 1px solid var(--slate200);
  padding: 24px 20px;
  border-radius: 20px;
  gap: 12px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  text-align: left;
  transition: all .4s cubic-bezier(.22, 1, .36, 1);
  position: relative;
  overflow: hidden;
}

.go-hub-wrap .hub-category-card:hover {
  transform: translateY(-6px);
  background: var(--slate100);
}

.go-hub-wrap .hub-category-card__top-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  opacity: 0;
  transition: opacity .4s;
}

.go-hub-wrap .hub-category-card:hover .hub-category-card__top-line {
  opacity: 1;
}

.go-hub-wrap .hub-category-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.go-hub-wrap .hub-category-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: transform .3s;
}

.go-hub-wrap .hub-category-card:hover .hub-category-card__icon {
  transform: scale(1.05);
}

.go-hub-wrap .hub-category-card__icon svg {
  width: 24px;
  height: 24px;
}

.go-hub-wrap .hub-category-card__label-tag {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  padding: 6px 14px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 10px;
}

.go-hub-wrap .hub-category-card__name {
  font-size: 19px;
  font-weight: 700;
  color: var(--slate900);
  margin-bottom: 8px;
  line-height: 1.3;
}

.go-hub-wrap .hub-category-card__description {
  font-size: 13px;
  color: var(--slate500);
  line-height: 1.6;
}

/* ─── WYSIWYG content styling (rich text from ACF) ──────── */
.go-hub-wrap .hub-category-card__description p,
.go-hub-wrap .hub-topic-desc-box p,
.go-hub-wrap .hub-project-card__desc p {
  margin: 0 0 8px;
}
.go-hub-wrap .hub-category-card__description p:last-child,
.go-hub-wrap .hub-topic-desc-box p:last-child,
.go-hub-wrap .hub-project-card__desc p:last-child {
  margin-bottom: 0;
}
.go-hub-wrap .hub-category-card__description a,
.go-hub-wrap .hub-topic-desc-box a:not(.hub-read-more),
.go-hub-wrap .hub-project-card__desc a {
  color: var(--teal700);
  text-decoration: underline;
}
.go-hub-wrap .hub-category-card__description a:hover,
.go-hub-wrap .hub-topic-desc-box a:not(.hub-read-more):hover,
.go-hub-wrap .hub-project-card__desc a:hover {
  color: var(--teal900);
}
.go-hub-wrap .hub-category-card__description strong,
.go-hub-wrap .hub-topic-desc-box strong,
.go-hub-wrap .hub-project-card__desc strong {
  font-weight: 600;
  color: var(--slate700);
}
.go-hub-wrap .hub-category-card__description ul,
.go-hub-wrap .hub-topic-desc-box ul,
.go-hub-wrap .hub-project-card__desc ul {
  padding-left: 18px;
  margin: 6px 0;
}
.go-hub-wrap .hub-category-card__description li,
.go-hub-wrap .hub-topic-desc-box li,
.go-hub-wrap .hub-project-card__desc li {
  margin-bottom: 4px;
}

.go-hub-wrap .hub-category-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.go-hub-wrap .hub-category-card__meta {
  font-size: 12px;
  color: var(--slate500);
}

.go-hub-wrap .hub-category-card__explore {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  transition: gap .3s;
}

.go-hub-wrap .hub-category-card:hover .hub-category-card__explore {
  gap: 10px;
}

.go-hub-wrap .hub-category-card__explore svg {
  width: 18px;
  height: 18px;
}

/* ─── Selected Chips ────────────────────────────────────── */
.go-hub-wrap .hub-chips-row {
  display: flex;
  gap: 12px;
}

.go-hub-wrap .hub-selected-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-radius: 16px;
  border: 1px solid var(--slate200);
  background: #fff;
  cursor: pointer;
  font-family: inherit;
  transition: all .3s cubic-bezier(.22, 1, .36, 1);
  width: 100%;
}

.go-hub-wrap .hub-selected-chip:hover {
  background: var(--slate100);
}

.go-hub-wrap .hub-chip-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.go-hub-wrap .hub-chip-icon svg {
  width: 24px;
  height: 24px;
}

.go-hub-wrap .hub-chip-icon-sm {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.go-hub-wrap .hub-chip-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.go-hub-wrap .hub-chip-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--slate500);
}

.go-hub-wrap .hub-chip-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--slate900);
}

.go-hub-wrap .hub-chip-change {
  margin-left: auto;
  font-size: 12px;
  color: var(--slate400);
  font-weight: 500;
  padding: 4px 14px;
  border-radius: 50px;
  border: 1px solid var(--slate200);
  transition: all .2s;
  background: transparent;
  cursor: pointer;
}

.go-hub-wrap .hub-selected-chip:hover .hub-chip-change {
  color: var(--slate600);
  border-color: var(--slate300);
}

/* ─── Accordion sections ────────────────────────────────── */
.go-hub-wrap .hub-accordion-section {
  margin-bottom: 0;
}

/* ─── Section labels ────────────────────────────────────── */
.go-hub-wrap .hub-section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--slate500);
  text-transform: uppercase;
  letter-spacing: .15em;
  margin-bottom: 12px;
}

/* ─── Topic Grid ────────────────────────────────────────── */
.go-hub-wrap .hub-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.go-hub-wrap .hub-topic-card {
  background: #fff;
  border: 1px solid var(--slate200);
  border-radius: 20px;
  padding: 22px 24px;
  cursor: pointer;
  text-align: left;
  transition: all .4s cubic-bezier(.22, 1, .36, 1);
}

.go-hub-wrap .hub-topic-card:hover {
  transform: translateY(-3px);
}

.go-hub-wrap .hub-topic-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.go-hub-wrap .hub-topic-card__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--slate900);
}

.go-hub-wrap .hub-topic-card__chevron {
  color: var(--slate500);
}

.go-hub-wrap .hub-topic-card__chevron svg {
  width: 16px;
  height: 16px;
}

.go-hub-wrap .hub-topic-card__meta {
  font-size: 12px;
  color: var(--slate500);
  margin-bottom: 12px;
}

.go-hub-wrap .hub-topic-card__desc {
  font-size: 12px;
  color: var(--slate500);
  line-height: 1.6;
  margin-bottom: 10px;
}

/* ─── Topic Description Box ─────────────────────────────── */
.go-hub-wrap .hub-topic-desc-box {
  background: var(--slate100);
  border: 1px solid var(--slate200);
  border-radius: 16px;
  padding: 18px 22px;
  margin-top: 14px;
  margin-bottom: 0;
  font-size: 13px;
  color: var(--slate600);
  line-height: 1.7;
}

.go-hub-wrap .hub-topic-desc-box .hub-read-more,
.go-hub-wrap .hub-project-card__desc .hub-read-more {
  color: var(--teal700);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-left: 4px;
}

.go-hub-wrap .hub-topic-desc-box .hub-read-more:hover,
.go-hub-wrap .hub-project-card__desc .hub-read-more:hover {
  text-decoration: underline;
}

/* ─── V20: Project description above viz ───────────────── */
.go-hub-wrap .hub-project-desc-box {
  background: var(--slate100);
  border: 1px solid var(--slate200);
  border-radius: 16px;
  padding: 18px 22px;
  margin-bottom: 20px;
  font-size: 13.5px;
  color: var(--slate600);
  line-height: 1.7;
}

.go-hub-wrap .hub-project-desc-box .hub-read-more {
  color: var(--teal700);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-left: 4px;
}

.go-hub-wrap .hub-project-desc-box .hub-read-more:hover {
  text-decoration: underline;
}

/* ─── Projects Grid ─────────────────────────────────────── */
.go-hub-wrap .hub-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.go-hub-wrap .hub-project-card {
  background: #fff;
  border: 1px solid var(--slate200);
  border-radius: 20px;
  padding: 20px 22px;
  cursor: pointer;
  text-align: left;
  transition: all .3s cubic-bezier(.22, 1, .36, 1);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.go-hub-wrap .hub-project-card:hover {
  transform: translateY(-2px);
}

.go-hub-wrap .hub-project-card__icon {
  min-width: 42px;
  height: 42px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .5px;
}

.go-hub-wrap .hub-project-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--slate900);
  margin-bottom: 5px;
  line-height: 1.3;
}

.go-hub-wrap .hub-project-card__desc {
  font-size: 12px;
  color: var(--slate500);
  line-height: 1.5;
}

.go-hub-wrap .hub-project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}

.go-hub-wrap .hub-project-card__tag {
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 20px;
  border: 1px solid;
  line-height: 1.4;
  white-space: nowrap;
}

.go-hub-wrap .hub-project-card__chevron {
  color: var(--slate600);
  margin-top: 4px;
}

.go-hub-wrap .hub-project-card__chevron svg {
  width: 16px;
  height: 16px;
}

/* ─── Coming Soon Box ───────────────────────────────────── */
.go-hub-wrap .hub-coming-soon {
  background: #fff;
  border: 1px solid var(--slate200);
  border-radius: 20px;
  padding: 40px;
  text-align: center;
}

.go-hub-wrap .hub-coming-soon__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--teal100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  color: var(--teal500);
}

.go-hub-wrap .hub-coming-soon__icon svg {
  width: 24px;
  height: 24px;
}

.go-hub-wrap .hub-coming-soon__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--slate700);
  margin-bottom: 6px;
}

.go-hub-wrap .hub-coming-soon__text {
  font-size: 13px;
  color: var(--slate500);
  line-height: 1.6;
}

/* ─── Viz Container (iframe wrapper) ────────────────────── */
.go-hub-wrap .hub-viz-container {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--slate200);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .08);
}

.go-hub-wrap .hub-viz-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: #fff;
  border-bottom: 1px solid var(--slate200);
}

.go-hub-wrap .hub-viz-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.go-hub-wrap .hub-viz-header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.go-hub-wrap .hub-viz-date {
  font-size: 11px;
  color: var(--slate400);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.go-hub-wrap .hub-viz-date svg {
  width: 14px;
  height: 14px;
}

/* V14: Fullscreen button removed (replaced by Contribute) */

/* ─── Viz Tabs (multiple visualizations per project) ────── */
.go-hub-wrap .hub-viz-tabs {
  display: flex;
  gap: 0;
  padding: 0 20px;
  background: #fff;
  border-bottom: 1px solid var(--slate200);
  overflow-x: auto;
}

.go-hub-wrap .hub-viz-tab {
  padding: 12px 20px;
  font-size: 13px;
  font-weight: 400;
  color: var(--slate600);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all .2s;
  font-family: inherit;
}

.go-hub-wrap .hub-viz-tab:hover {
  color: var(--slate800);
  background: var(--slate100);
}

.go-hub-wrap .hub-viz-tab.active {
  font-weight: 600;
  border-bottom-width: 2px;
  border-bottom-style: solid;
}

/* ─── Audience Filter Chips ────────────────────────────── */
.go-hub-wrap .hub-audience-filter {
  margin-bottom: 16px;
}

.go-hub-wrap .hub-aud-chip {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 50px;
  border: 1px solid var(--slate300);
  background: transparent;
  color: var(--slate600);
  font-size: 13px;
  font-weight: 400;
  cursor: pointer;
  transition: all .2s ease;
  font-family: inherit;
  margin-right: 8px;
  margin-bottom: 8px;
}

.go-hub-wrap .hub-aud-chip:hover {
  border-color: var(--slate400);
  background: var(--slate100);
}

.go-hub-wrap .hub-aud-chip.active {
  font-weight: 600;
}

/* ─── Viz body (iframe area) ────────────────────────────── */
.go-hub-wrap .hub-viz-body {
  position: relative;
  min-height: 500px;
  background: #fff;
}

/* Default iframe height (Tableau, unknown embeds) */
.go-hub-wrap .hub-viz-body iframe {
  width: 100%;
  height: 700px;
  border: none;
  display: block;
}
/* Flourish iframes: height managed dynamically via postMessage relay (V9) */
.go-hub-wrap .hub-viz-body iframe[data-go-hub-flourish] {
  height: auto;
  min-height: 500px;
}

.go-hub-wrap .hub-viz-embed-container {
  width: 100%;
  min-height: 500px;
  position: relative;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  /* V21: Center Tableau vizs that are narrower than the container */
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Flourish embeds: ensure they fill the container */
.go-hub-wrap .hub-viz-embed-container .flourish-embed {
  width: 100% !important;
  min-height: 600px;
}

/* Tableau embeds: center and allow vertical scroll */
.go-hub-wrap .hub-viz-embed-container .tableauPlaceholder {
  width: 100% !important;
  min-height: 800px;
  /* V21: Override Tableau's inline height to show full content (map + cards) */
  height: auto !important;
  overflow: visible !important;
}

/* V21: Additional Tableau fixes — center viz and allow scroll for tall dashboards */
.go-hub-wrap .hub-viz-embed-container .tableauViz,
.go-hub-wrap .hub-viz-embed-container object.tableauViz {
  width: auto !important;
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

.go-hub-wrap .hub-viz-embed-container .tableauPlaceholder iframe {
  width: 100% !important;
  /* V21: Increase height to show full dashboard including lists below maps */
  min-height: 900px;
}

/* V21: When Tableau is injected as raw HTML (not in tableauPlaceholder), center it */
.go-hub-wrap .hub-viz-embed-container > div {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.go-hub-wrap .hub-viz-embed-container > object,
.go-hub-wrap .hub-viz-embed-container > iframe {
  display: block;
  margin: 0 auto;
}

/* ─── Viz placeholder (coming soon in dashboard) ────────── */
.go-hub-wrap .hub-viz-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  color: var(--slate400);
  text-align: center;
  padding: 40px;
}

.go-hub-wrap .hub-viz-placeholder__icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--teal100);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--teal500);
}

.go-hub-wrap .hub-viz-placeholder__icon svg {
  width: 24px;
  height: 24px;
}

.go-hub-wrap .hub-viz-placeholder__title {
  font-size: 15px;
  font-weight: 500;
  color: var(--slate600);
  margin-bottom: 6px;
}

.go-hub-wrap .hub-viz-placeholder__sub {
  font-size: 12px;
  color: var(--slate400);
}

/* ─── Viz loading spinner ───────────────────────────────── */
.go-hub-wrap .hub-viz-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  background: #fafbfb;
}

.go-hub-wrap .hub-viz-loading__spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--slate200);
  border-top-color: var(--teal500);
  border-radius: 50%;
  animation: go-hub-spin 0.8s linear infinite;
  margin-bottom: 12px;
}

.go-hub-wrap .hub-viz-loading__text {
  font-size: 13px;
  color: var(--slate500);
}

/* ─── Meta Cards (Data Source, Methodology, Contribute) ─── */
.go-hub-wrap .hub-meta-cards {
  display: flex;
  gap: 16px;
  margin-top: 20px;
}

.go-hub-wrap .hub-meta-card {
  flex: 1;
  background: #fff;
  border-radius: 16px;
  padding: 14px 18px;
  border: 1px solid var(--slate200);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all .3s cubic-bezier(.22, 1, .36, 1);
  cursor: pointer;
  text-decoration: none;
}

.go-hub-wrap .hub-meta-card:hover {
  transform: translateY(-2px);
  opacity: .85;
}

.go-hub-wrap .hub-meta-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  flex-shrink: 0;
}

.go-hub-wrap .hub-meta-card__icon svg {
  width: 20px;
  height: 20px;
}

.go-hub-wrap .hub-meta-card__label {
  font-size: 10px;
  color: var(--slate500);
  text-transform: uppercase;
  letter-spacing: .1em;
}

.go-hub-wrap .hub-meta-card__value {
  font-size: 13px;
  color: var(--slate800);
  font-weight: 500;
}

.go-hub-wrap .hub-meta-card.contribute:hover {
  opacity: .9;
}

/* V21: Disabled meta card (e.g. Data button when no URL) */
.go-hub-wrap .hub-meta-card--disabled {
  opacity: .5;
  cursor: default;
  pointer-events: none;
}

/* ═══ V15: Overview Tree View ═══════════════════════════════ */

/* V19: Back to Hub button */
.go-hub-wrap .hub-overview-back {
  margin-bottom: 16px;
}

.go-hub-wrap .hub-overview-back__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--slate100);
  border: 1px solid var(--slate200);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  color: var(--teal700);
  text-decoration: none;
  transition: all .2s;
}

.go-hub-wrap .hub-overview-back__btn:hover {
  background: var(--teal100);
  border-color: var(--teal300);
}

.go-hub-wrap .hub-overview-header {
  text-align: center;
  margin-bottom: 48px;
  padding-top: 8px;
}

.go-hub-wrap .hub-overview-header__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--slate900);
  line-height: 1.2;
  margin-bottom: 12px;
}

.go-hub-wrap .hub-overview-header__sub {
  font-size: 15px;
  color: var(--slate500);
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.7;
}

.go-hub-wrap .hub-overview-tree {
  display: flex;
  flex-direction: column;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

/* ─── Category block ────────── */
.go-hub-wrap .hub-overview-cat {
  background: #fff;
  border: 1px solid var(--slate200);
  border-left: 4px solid var(--teal500);
  border-radius: 16px;
  padding: 28px 32px;
  transition: box-shadow .3s;
}

.go-hub-wrap .hub-overview-cat:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, .06);
}

.go-hub-wrap .hub-overview-cat__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.go-hub-wrap .hub-overview-cat__icon {
  min-width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.go-hub-wrap .hub-overview-cat__icon svg {
  width: 22px;
  height: 22px;
}

.go-hub-wrap .hub-overview-cat__label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 4px;
}

.go-hub-wrap .hub-overview-cat__name {
  font-size: 20px;
  font-weight: 700;
  color: var(--slate900);
  line-height: 1.3;
  margin: 0;
}

.go-hub-wrap .hub-overview-cat__desc {
  font-size: 13px;
  color: var(--slate500);
  line-height: 1.7;
  margin: 0 0 16px;
  padding-left: 64px;
}

/* ─── Topics ────────── */
.go-hub-wrap .hub-overview-topics {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 8px;
  padding-left: 24px;
}

.go-hub-wrap .hub-overview-topic {
  border-left: 2px solid var(--slate200);
  padding-left: 20px;
}

.go-hub-wrap .hub-overview-topic__name {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.go-hub-wrap .hub-overview-topic__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ─── Projects ────────── */
.go-hub-wrap .hub-overview-projects {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 10px;
}

.go-hub-wrap .hub-overview-project {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--slate100);
  border: 1px solid var(--slate200);
  border-radius: 12px;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: all .2s;
  position: relative;
}

.go-hub-wrap .hub-overview-project:hover {
  background: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
}

.go-hub-wrap .hub-overview-project__body {
  flex: 1;
  min-width: 0;          /* allow text truncation inside flex */
  overflow: hidden;
}

.go-hub-wrap .hub-overview-project__name {
  font-size: 13px;
  font-weight: 600;
  color: var(--slate900);
  line-height: 1.3;
  margin-bottom: 3px;
}

.go-hub-wrap .hub-overview-project__desc {
  font-size: 11px;
  color: var(--slate500);
  line-height: 1.5;
}

.go-hub-wrap .hub-overview-project__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.go-hub-wrap .hub-overview-project__tag {
  font-size: 9px;
  font-weight: 500;
  padding: 1px 7px;
  border-radius: 20px;
  border: 1px solid;
  white-space: nowrap;
}

.go-hub-wrap .hub-overview-project__arrow {
  flex-shrink: 0;
  margin-top: 2px;
  opacity: .4;
  transition: opacity .2s;
}

.go-hub-wrap .hub-overview-project:hover .hub-overview-project__arrow {
  opacity: 1;
}

.go-hub-wrap .hub-overview-empty {
  font-size: 12px;
  color: var(--slate400);
  font-style: italic;
  margin: 4px 0 0;
}

/* ─── Footer stats ────────── */
.go-hub-wrap .hub-overview-footer {
  text-align: center;
  margin-top: 40px;
  padding-bottom: 20px;
  font-size: 13px;
  color: var(--slate400);
  font-weight: 500;
}

.go-hub-wrap .hub-overview-footer__sep {
  margin: 0 10px;
}

/* ─── Responsive ────────────────────────────────────────── */
@media (max-width: 900px) {
  .go-hub-wrap .hub-categories {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .go-hub-wrap .hub-categories,
  .go-hub-wrap .hub-topics-grid {
    grid-template-columns: 1fr;
  }
  .go-hub-wrap .hub-breadcrumb,
  .go-hub-wrap .hub-main {
    padding-left: 16px;
    padding-right: 16px;
  }
  /* V15: Overview responsive */
  .go-hub-wrap .hub-overview-cat {
    padding: 20px 18px;
  }
  .go-hub-wrap .hub-overview-cat__desc {
    padding-left: 0;
  }
  .go-hub-wrap .hub-overview-topics {
    padding-left: 12px;
  }
  .go-hub-wrap .hub-overview-projects {
    grid-template-columns: 1fr;
  }
  .go-hub-wrap .hub-viz-body iframe {
    height: 400px;
  }
  .go-hub-wrap .hub-meta-cards {
    flex-direction: column;
  }
  .go-hub-wrap .hub-viz-tabs {
    padding: 0 12px;
  }
  .go-hub-wrap .hub-selected-chip {
    padding: 10px 14px;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .go-hub-wrap .hub-category-card {
    padding: 20px 18px;
  }
  .go-hub-wrap .hub-category-card__name {
    font-size: 16px;
  }
  .go-hub-wrap .hub-viz-body iframe {
    height: 300px;
  }
}