/* Page shell stays on the Nexus theme system */
    body {
      margin: 0;
      overflow-x: hidden;
    }

    /* Header/footer inherit site theme */
    .nx-header,
    .nx-footer--expanded,
    .nx-mobile-menu {
      font-family: var(--theme-body-font);
      color: var(--nx-text);
    }

    /* The doc-page area uses its own white background */
    .doc-page {
      background: var(--doc-page-bg);
    }

    .product-footer-shell {
      background: var(--nx-bg);
    }

    .theme-btn--icon {
      background: transparent;
      border: none;
      color: var(--nx-muted);
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: all 0.2s ease;
      padding: 0;
      margin-right: 12px;
    }

    .theme-btn--icon:hover {
      color: var(--nx-text);
      background: rgba(var(--nx-cyan-rgb), 0.1);
    }

    .theme-btn--icon svg {
      width: 18px;
      height: 18px;
      stroke-width: 1.8;
    }

    .theme-btn--icon .icon-sun {
      display: none;
    }

    html[data-theme-resolved="dark"] body .theme-btn--icon .icon-moon {
      display: none;
    }

    html[data-theme-resolved="dark"] body .theme-btn--icon .icon-sun {
      display: block;
    }

    .nx-footer--expanded {
      display: block;
      padding: 60px 24px 24px;
      border-top: 1px solid var(--nx-card-border);
      max-width: 1240px;
      margin: 0 auto;
      background: var(--nx-bg);
    }

    .nx-footer-top {
      display: grid;
      grid-template-columns: 1.5fr 2fr;
      gap: 48px;
      margin-bottom: 40px;
    }

    .nx-footer-desc {
      color: var(--nx-muted);
      font-size: 0.88rem;
      line-height: 1.6;
      margin: 12px 0 0;
      max-width: 280px;
    }

    .nx-footer-nav {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .nx-footer-col h4 {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.1em;
      color: var(--nx-text);
      margin: 0 0 14px;
      font-weight: 600;
    }

    .nx-footer-col a {
      display: block;
      color: var(--nx-muted);
      text-decoration: none;
      font-size: 0.88rem;
      padding: 4px 0;
      transition: color 0.2s ease;
    }

    .nx-footer-col a:hover {
      color: var(--nx-cyan);
    }

    .nx-footer-bottom {
      border-top: 1px solid var(--nx-card-border);
      padding-top: 20px;
    }

    .nx-footer-bottom p {
      color: var(--nx-muted);
      font-size: 0.8rem;
      margin: 0;
      opacity: 0.7;
    }

    @media (max-width: 720px) {
      .nx-header-center,
      .nx-header-right {
        display: none;
      }

      .nx-menu-toggle {
        display: flex;
      }

      .nx-mobile-menu {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0;
        padding: 16px 0 0;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        margin-top: 14px;
      }

      .nx-mobile-menu.is-open {
        display: flex;
      }

      .nx-mobile-menu a {
        display: block;
        padding: 12px 0;
        color: var(--nx-muted);
        text-decoration: none;
        font-size: 0.9rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
      }

      .mobile-actions {
        gap: 12px;
        padding-top: 16px;
        margin-top: 4px;
      }

      .nx-footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
      }
    }