:root {
      --overview-section-padding: 32px;
      --dc-emphasis-size: 1.1rem;
      --dc-emphasis-line: 1.7;
      --dc-emphasis-weight: 400;
    }

    .learn-overview-page {
      background: #ffffff;
      color: var(--dc-ink);
      font-size: 15.5px;
      line-height: 1.65;
    }

    .learn-overview-page .learn-overview-main {
      padding: 32px 0 24px;
    }

    .learn-overview-page .learn-overview-section {
      padding: 200px 0;
      background: #ffffff;
      text-align: left;
    }

    .learn-overview-page .learn-overview-main > .learn-overview-section:nth-of-type(even) {
      background: var(--dc-alt);
    }

    .learn-overview-page .lead-callout {
      display: inline-block;
      max-width: 100%;
      padding: 0.65rem 0.9rem;
      border-radius: 0.75rem;
      border: 1px solid rgba(29, 48, 67, 0.18);
      border-left: 4px solid var(--dc-accent);
      background: rgba(29, 48, 67, 0.06);
      color: var(--dc-accent);
      font-weight: 600;
      line-height: 1.35;
    }

    .learn-overview-page .entity-hub-copy {
      font-size: var(--dc-emphasis-size);
      line-height: var(--dc-emphasis-line);
      font-weight: var(--dc-emphasis-weight);
      color: var(--dc-ink);
    }

    .learn-overview-page .list-group.list-group-flush .list-group-item {
      background: transparent;
    }

    .learn-overview-page .fact-item {
      display: flex;
      align-items: center;
      gap: 1.5rem;
      padding: 0.8rem 0;
    }

    .learn-overview-page .fact-icon {
      font-size: 2.2rem;
      color: var(--dc-secondary);
      flex: 0 0 auto;
    }

    .learn-overview-page .answer-line {
      font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
      font-style: italic;
      font-size: 0.85rem;
      color: var(--dc-muted);
      margin: 0;
    }

    .learn-overview-page .overview-sheet {
      width: 100%;
      background: #ffffff;
      border: 1px solid rgba(15, 23, 42, 0.08);
      border-radius: 14px;
      padding: 24px;
      box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
    }

    .learn-overview-page .overview-sheet .section {
      padding: var(--overview-section-padding) 0;
    }

    .learn-overview-page .overview-sheet .section + .section {
      border-top: 1px solid rgba(15, 23, 42, 0.06);
    }

    .learn-overview-page .overview-sheet .section.section-alt {
      background: rgba(29, 48, 67, 0.02);
      border-radius: 12px;
      padding: var(--overview-section-padding) 12px;
      margin-left: -12px;
      margin-right: -12px;
    }

    .learn-overview-page .overview-sheet .section:first-child {
      padding-top: 0;
    }

    .learn-overview-page .overview-sheet .section:last-child {
      padding-bottom: 0;
    }

    .learn-overview-page .overview-sheet .section-kicker {
      text-transform: none;
      letter-spacing: 0.02em;
      font-size: 0.72rem;
      font-weight: 500;
      color: var(--dc-subtle);
      margin-bottom: 0.4rem;
    }

    .learn-overview-page .overview-sheet .section-title,
    .learn-overview-page .overview-sheet .section-title-sm {
      font-weight: 500;
      line-height: 1.3;
      letter-spacing: -0.01em;
      color: var(--dc-ink);
    }

    .learn-overview-page .overview-sheet .section-title {
      font-size: clamp(1.35rem, 1.8vw, 1.6rem);
    }

    .learn-overview-page .overview-sheet .section-title-sm {
      font-size: clamp(1.2rem, 1.6vw, 1.45rem);
    }

    .learn-overview-page .overview-sheet .lead {
      font-size: 1rem;
      font-weight: 400;
      color: var(--dc-ink);
    }

    .learn-overview-page .overview-sheet p {
      margin-bottom: 0.75rem;
    }

    .learn-overview-page .overview-sheet .text-muted {
      color: var(--dc-muted) !important;
    }

    .learn-overview-page .overview-sheet .row {
      --bs-gutter-x: 1.5rem;
      --bs-gutter-y: 1.5rem;
    }

    .learn-overview-page .card-surface {
      background: rgba(29, 48, 67, 0.03);
      border: 1px solid rgba(15, 23, 42, 0.08);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
    }

    .learn-overview-page .card-surface .card-header {
      background: rgba(29, 48, 67, 0.04);
      border-bottom: 1px solid rgba(15, 23, 42, 0.08);
      text-transform: none;
      letter-spacing: 0.02em;
      font-size: 0.78rem;
      font-weight: 500;
      color: var(--dc-ink);
    }

    .learn-overview-page .card-surface.accent {
      border-left: 3px solid rgba(29, 48, 67, 0.45);
      background: rgba(29, 48, 67, 0.05);
    }

    .learn-overview-page .card-surface .list-group-item {
      border-color: rgba(15, 23, 42, 0.06);
    }

    .overview-scan {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 16px;
      margin-top: 20px;
    }

    .overview-scan .card-body {
      padding: 14px 16px;
    }

    .overview-callout {
      border: 1px solid rgba(15, 23, 42, 0.08);
      border-radius: 12px;
      background: rgba(29, 48, 67, 0.03);
      padding: 14px 16px;
      margin: 16px 0;
    }

    .overview-scan .scan-icon {
      font-size: 1.1rem;
      color: var(--dc-accent);
      opacity: 0.75;
      margin-top: 2px;
    }

    .learn-overview-page .overview-table {
      border-radius: 0.75rem;
      overflow: hidden;
    }

    .learn-overview-page .overview-table .table {
      margin: 0;
      border-collapse: separate;
      border-spacing: 0;
    }

    .learn-overview-page .overview-table .table th,
    .learn-overview-page .overview-table .table td {
      padding: 1rem 1.1rem;
      border-right: 1px solid rgba(15, 23, 42, 0.08);
      border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    }

    .learn-overview-page .overview-table .table th:last-child,
    .learn-overview-page .overview-table .table td:last-child {
      border-right: 0;
    }

    .learn-overview-page .overview-table .table tbody tr:last-child td {
      border-bottom: 0;
    }

    .learn-overview-page .overview-code {
      color: var(--dc-secondary);
      font-weight: 600;
    }

    .overview-icon {
      font-size: 1rem;
      color: var(--dc-accent);
      opacity: 0.7;
      margin-top: 2px;
    }

    .overview-alert {
      border: 1px solid rgba(15, 23, 42, 0.08);
      background: rgba(29, 48, 67, 0.03);
      box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
    }

    .overview-pill {
      border: 1px solid rgba(15, 23, 42, 0.08);
      background: rgba(29, 48, 67, 0.03);
      color: var(--dc-muted);
      font-weight: 500;
    }

    .matrix-dot {
      display: inline-block;
      width: 0.7rem;
      height: 0.7rem;
      border-radius: 999px;
      border: 2px solid rgba(15, 23, 42, 0.35);
      background: transparent;
    }

    .matrix-dot-on {
      background: rgb(var(--bs-primary-rgb));
      border-color: rgb(var(--bs-primary-rgb));
    }

    .matrix-dot-off {
      border-color: rgba(15, 23, 42, 0.35);
      background: transparent;
    }

    .learn-overview-page .overview-subtitle,
    .learn-overview-page .overview-subtitle-lg,
    .learn-overview-page .overview-subtitle-spaced {
      margin: 1rem 0;
      padding: 0;
    }

    .learn-overview-page .overview-grid {
      padding: 1rem 0;
    }

    .learn-overview-page .overview-grid .card:not(.overview-panel) .card-body {
      padding: 1.15rem 1.2rem;
      display: flex;
      flex-direction: column;
      gap: 0.45rem;
    }

    .learn-overview-page .overview-grid .card:not(.overview-panel) .card-body > * {
      margin-bottom: 0 !important;
    }

    .learn-overview-page .overview-panel .card-body {
      padding: 1rem 1.2rem;
    }

    .learn-overview-page .overview-panel-title {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--dc-ink);
      margin-bottom: 0.75rem;
    }

    .learn-overview-page .overview-panel-grid {
      --bs-gutter-x: 0.75rem;
      --bs-gutter-y: 0.75rem;
      margin-top: 0;
    }

    .learn-overview-page .overview-mini-card {
      background: #ffffff;
      border: 1px solid rgba(15, 23, 42, 0.08);
      box-shadow: none;
    }

    .learn-overview-page .overview-mini-card .card-body {
      padding: 0.8rem 0.9rem;
      display: flex;
      flex-direction: column;
      gap: 0.3rem;
    }

    .learn-overview-page .overview-mini-card .card-title {
      font-size: 0.95rem;
    }

    .learn-overview-page .overview-mini-card .card-copy {
      font-size: 1.25rem;
    }

    .learn-overview-page .overview-panel-list {
      display: flex;
      flex-direction: column;
      gap: 1.95rem;
      padding: 0.1rem 0;
    }

    .learn-overview-page .overview-panel-item {
      display: flex;
      gap: 0.75rem;
      align-items: flex-start;
    }

    .learn-overview-page .overview-panel-item .card-icon {
      font-size: 1.2rem;
    }

    .learn-overview-page .overview-panel-item .h6 {
      margin: 0 0 0.2rem 0;
      font-weight: 600;
    }

    .learn-overview-page .overview-panel .card-header,
    .learn-overview-page .overview-panel .card-footer {
      padding: 0.9rem 1.2rem;
      background: rgba(29, 48, 67, 0.04);
    }

    .learn-overview-page .overview-panel .card-header .overview-panel-title {
      margin-bottom: 0;
    }

    .learn-overview-page .overview-panel .card-footer {
      border-top: 1px solid rgba(15, 23, 42, 0.08);
    }

    .learn-overview-page .overview-panel .card-footer .card-copy {
      color: var(--dc-muted);
      font-size: 0.9rem;
    }

    .learn-overview-page .overview-panel.overview-panel--center {
      display: flex;
      flex-direction: column;
    }

    .learn-overview-page .overview-panel.overview-panel--center .card-body {
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .learn-overview-page .overview-lede {
      margin: 0;
      padding: 1rem 0;
    }

    .learn-overview-page .mode-badge {
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      padding: 0.35rem 0.85rem;
    }

    .learn-overview-page .not-card .card-body {
      position: relative;
      overflow: hidden;
    }

    .learn-overview-page .not-card .not-icon {
      position: absolute;
      inset: 0;
      display: grid;
      place-items: center;
      font-size: 5.5rem;
      color: var(--bs-danger);
      opacity: 0.45;
      pointer-events: none;
      z-index: 3;
    }

    .learn-overview-page .not-card .card-body > *:not(.not-icon) {
      position: relative;
      z-index: 2;
    }

    .learn-overview-page .overview-grid .not-card .card-body {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      min-height: 160px;
      gap: 0;
    }

    .learn-overview-page .overview-grid .not-card .not-label {
      margin-top: 0;
      margin-bottom: 0;
      display: block;
      font-size: 1.1rem;
      line-height: 1.3;
    }

    .learn-overview-page .ok-card .card-body {
      position: relative;
      overflow: hidden;
    }

    .learn-overview-page .ok-card .ok-icon {
      position: absolute;
      inset: 0;
      display: grid;
      place-items: center;
      font-size: 5.5rem;
      color: var(--bs-success);
      opacity: 0.35;
      pointer-events: none;
      z-index: 3;
    }

    .learn-overview-page .ok-card .card-body > *:not(.ok-icon) {
      position: relative;
      z-index: 2;
    }

    .learn-overview-page .overview-grid .ok-card .card-body {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      min-height: 160px;
      gap: 0;
    }

    .learn-overview-page .overview-grid .ok-card .ok-label {
      margin-top: 0;
      margin-bottom: 0;
      display: block;
      font-size: 1.1rem;
      line-height: 1.3;
    }

    .learn-overview-page .status-card {
      border: 1px solid rgba(15, 23, 42, 0.08);
      box-shadow: 0 4px 10px rgba(15, 23, 42, 0.04);
    }

    @media (max-width: 991px) {
      .learn-overview-page .learn-overview-section {
        padding: 120px 0;
      }

      .learn-overview-page .learn-overview-main {
        padding: 24px 0 12px;
      }

      .learn-overview-page .overview-sheet {
        padding: 20px;
      }

      .learn-overview-page .overview-panel-list {
        gap: 1.5rem;
      }

      .learn-overview-page .overview-panel-grid {
        --bs-gutter-x: 0.75rem;
        --bs-gutter-y: 0.75rem;
      }
    }

    @media (max-width: 768px) {
      .learn-overview-page .learn-overview-section {
        padding: 104px 0;
      }

      .learn-overview-page .overview-sheet {
        padding: 18px;
      }

      .learn-overview-page .overview-sheet .section.section-alt {
        margin-left: 0;
        margin-right: 0;
        padding: var(--overview-section-padding) 0;
      }

      .learn-overview-page .overview-table {
        overflow-x: auto;
      }

      .learn-overview-page .overview-table .table-responsive {
        overflow-x: auto;
      }

      .learn-overview-page .overview-table .table {
        min-width: 560px;
      }

      .learn-overview-page .fact-item {
        gap: 1rem;
      }
    }

    @media (max-width: 576px) {
      .learn-overview-page .learn-overview-section {
        padding: 80px 0;
      }

      .learn-overview-page .overview-sheet {
        padding: 16px;
        border-radius: 12px;
      }

      .learn-overview-page .overview-sheet .section {
        padding: 20px 0;
      }

      .learn-overview-page .overview-sheet .section.section-alt {
        padding: 20px 0;
        border-radius: 10px;
      }

      .learn-overview-page .overview-scan {
        grid-template-columns: 1fr;
      }

      .learn-overview-page .fact-item {
        flex-direction: column;
        align-items: flex-start;
      }

      .learn-overview-page .overview-grid .not-card .card-body,
      .learn-overview-page .overview-grid .ok-card .card-body {
        min-height: 120px;
      }

      .learn-overview-page .overview-mini-card .card-copy {
        font-size: 1.05rem;
      }
    }

    .learn-overview-page .status-card.status-draft {
      background: var(--bs-info-bg-subtle);
      border-color: var(--bs-info-border-subtle);
    }

    .learn-overview-page .status-card.status-draft .card-icon {
      color: var(--bs-info);
    }

    .learn-overview-page .status-card.status-active {
      background: var(--bs-success-bg-subtle);
      border-color: var(--bs-success-border-subtle);
    }

    .learn-overview-page .status-card.status-active .card-icon {
      color: var(--bs-success);
    }

    .learn-overview-page .status-card.status-suspended {
      background: var(--bs-warning-bg-subtle);
      border-color: var(--bs-warning-border-subtle);
    }

    .learn-overview-page .status-card.status-suspended .card-icon {
      color: var(--bs-warning);
    }

    .learn-overview-page .status-card.status-dissolved {
      background: var(--bs-danger-bg-subtle);
      border-color: var(--bs-danger-border-subtle);
    }

    .learn-overview-page .status-card.status-dissolved .card-icon {
      color: var(--bs-danger);
    }

    .learn-overview-page .status-pill {
      background: transparent;
      border: 1px solid transparent;
      font-weight: 600;
      letter-spacing: 0.02em;
      padding: 0.55rem 0.75rem;
      color: var(--dc-ink);
    }

    .learn-overview-page .status-pill .status-icon {
      font-size: 1rem;
    }

    .learn-overview-page .status-pill.status-draft {
      background: var(--bs-info-bg-subtle);
      border-color: var(--bs-info-border-subtle);
    }

    .learn-overview-page .status-pill.status-active {
      background: var(--bs-success-bg-subtle);
      border-color: var(--bs-success-border-subtle);
    }

    .learn-overview-page .status-pill.status-suspended {
      background: var(--bs-warning-bg-subtle);
      border-color: var(--bs-warning-border-subtle);
    }

    .learn-overview-page .status-pill.status-dissolved {
      background: var(--bs-danger-bg-subtle);
      border-color: var(--bs-danger-border-subtle);
    }

    .learn-overview-page .status-pill.status-pill-neutral {
      background: transparent;
      border-color: #39495b;
      color: #39495b;
      transition: background-color 0.2s ease, color 0.2s ease;
    }

    .learn-overview-page .status-pill.status-pill-neutral:hover,
    .learn-overview-page .status-pill.status-pill-neutral:focus {
      background: #39495b;
      color: #ffffff;
    }

    .learn-overview-page .flow-step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 2rem;
      height: 2rem;
      border-radius: 999px;
      border: 1px solid rgba(29, 48, 67, 0.28);
      color: var(--dc-accent);
      font-size: 0.95rem;
      font-weight: 600;
    }

    .learn-overview-page .id-token {
      color: #4b5563;
      font-style: italic;
    }

    .learn-overview-page .text-uppercase-none {
      text-transform: none;
    }

    .learn-overview-page .card-body .card-title.text-uppercase-none {
      text-transform: none;
    }

    .learn-overview-page .status-pill.status-draft .status-icon {
      color: var(--bs-info);
    }

    .learn-overview-page .status-pill.status-active .status-icon {
      color: var(--bs-success);
    }

    .learn-overview-page .status-pill.status-suspended .status-icon {
      color: var(--bs-warning);
    }

    .learn-overview-page .status-pill.status-dissolved .status-icon {
      color: var(--bs-danger);
    }

    .overview-quote .blockquote {
      font-size: 0.98rem;
      font-weight: 400;
      color: var(--dc-ink);
    }

    .overview-quote .blockquote-footer {
      font-size: 0.78rem;
      color: var(--dc-muted);
      margin-top: 0.75rem;
    }

    .learn-overview-page .overview-sheet .list-group-numbered > .list-group-item::before {
      color: var(--dc-accent);
      font-weight: 600;
    }

    .definition-list {
      margin: 0;
    }

    .definition-list dt {
      font-weight: 600;
      margin-top: 12px;
    }

    .definition-list dd {
      margin: 4px 0 0 0;
      color: var(--dc-muted);
    }

    @media (max-width: 991px) {
      .learn-overview-page .page-hero {
        padding: 44px 0 28px;
      }

      .learn-overview-page .overview-sheet {
        padding: 20px;
      }
    }

    @media (max-width: 576px) {
      .learn-overview-page .page-hero {
        padding: 40px 0;
        min-height: 160px;
        display: flex;
        align-items: center;
      }
    }