body.site-shell > .site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header, 30);
}

body.site-shell .site-header__actions .site-home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 44px;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  text-decoration: none;
}
body.site-shell .site-header__actions .site-home-link .icon {
  color: inherit;
}

body.site-shell .site-header :is(.primary-nav, .mobile-nav) a[aria-current] {
  color: var(--link);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}

body.site-shell #main-content > .global-breadcrumbs {
  margin-block: 20px 0;
}

.portal-footer {
  --block-highlight: var(--control-border);
}
.portal-footer .icon {
  color: inherit;
}

body.site-shell .search-shortcuts a {
  text-decoration: none;
  font-weight: 600;
}

body.site-shell .search-shortcuts a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.document-viewer__return {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-block: 0 20px;
}

@media (max-width: 767px) {
  body.site-shell #main-content > .global-breadcrumbs {
    margin-block: 16px 0;
  }
  .portal-footer__controls {
    gap: 12px;
  }
  body.site-shell .search-page .search-query {
    grid-template-columns: minmax(0, 1fr);
  }
}
.header-tooltip {
  position: fixed;
  z-index: 100;
  width: max-content;
  max-width: calc(100vw - 16px);
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-raised);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  font: 500 16px/1.5 var(--font-sans);
  overflow-wrap: break-word;
}

.header-tooltip[hidden] {
  display: none;
}

/* One pictogram system for all submenu levels and both header layouts. */
.site-header .primary-nav .submenu {
  width: max-content;
  min-width: 19rem;
  max-width: min(30rem, 100vw - 32px);
  box-sizing: border-box;
}

.site-header .primary-nav > ul > .nav-item > .submenu {
  left: var(--submenu-offset, 0px);
}

.site-header .primary-nav .submenu__item-main {
  min-width: 0;
  align-items: stretch;
}
.site-header .primary-nav .submenu__item-main > a {
  min-width: 0;
  flex: 1 1 auto;
}

.site-header .primary-nav .submenu a {
  box-sizing: border-box;
  white-space: normal;
}

.site-header .primary-nav .submenu__item > a {
  width: 100%;
}

.site-header .primary-nav .submenu--nested {
  left: calc(100% + 0.5rem + var(--submenu-offset, 0px));
}
.site-header .primary-nav .submenu--nested.submenu--opens-left {
  left: auto;
  right: calc(100% + 0.5rem);
}
.site-header .primary-nav .submenu--nested.submenu--below {
  left: var(--submenu-offset, 0px);
  right: auto;
  top: 100%;
}

.site-header :is(.submenu, .mobile-submenu) a:has(.navigation-symbol) {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-header .navigation-symbol {
  --icon-color: var(--link);
  --icon-hover: var(--link);
  --icon-active: var(--link);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--link);
  background: var(--surface-soft);
}

.site-header .navigation-symbol .icon {
  width: 20px;
  height: 20px;
}

.site-header .navigation-caption {
  min-width: 0;
  line-height: 1.4;
}

.portal-footer__menu {
  display: grid;
  gap: 16px;
  margin-block: 16px;
}

.portal-footer__menu-group {
  display: grid;
  gap: 8px;
}