/* 
topnav.css
This CSS styles the TopNav in all sections of the site (including both Material and Bootstrap areas)

STRUCTURE
  :root VARS
  #topnav (z3)
    .primary-nav
      .mobile-header
      .category-menu
      .search-box
      #searchPopover
      .account-box
      #accountPopover
    .secondary-nav (z3)
    .tertiary-nav
    #historyPopover
  #content_container.content-overlay::after (z2)
  #statusbox (z3)
*/

:root {
  /* TopNav Neutral Colors*/
  --tn-backdrop-color: rgba(0, 0, 0, 0.5);
  --tn-backdrop-filter: blur(3px);
  --tn-banner-space: 40px;
  --tn-border: #d1d5db;
  --tn-gutter: 8px;
  --tn-history-popover-width: 260px;
  --tn-input-height: 36px;
  /* TopNav Vars */
  --tn-menu-group-width: 260px;
  --tn-mobile-breakpoint: 768px;
  --tn-neutral-bg: #fff;
  --tn-neutral-fg: #111827;
  --tn-neutral-secondary-bg: #f3f4f6;
  --tn-neutral-secondary-bg-hover: #d1d5db;
  --tn-neutral-secondary-fg: #4b5563;
  --tn-primary-nav-height: 64px;
  --tn-text-xxs: 9px;
  --tn-text-sm: 13px;
  --tn-text-md: 15px;
  /* MegaMenu Vars */
  --tn-radius: 4px;
  --tn-search-input-reduced-width: 144px;
  --tn-search-input-width: 184px;
  /* Input Vars */
  --tn-search-popover-reduced-width: 208px;
  --tn-search-popover-width: 248px;
  --tn-secondary-nav-height: 48px;
  --tn-shadow-lg: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px, rgba(0, 0, 0, 0.1) 0px 4px 6px -4px;
  --tn-shadow-sm: rgba(0, 0, 0, 0.1) 0px 2px 4px 0px;
  --tn-tertiary-nav-height: 36px;
}

/* Utility: .mobile-only */
@media only screen and (min-width: 769px) {
  .mobile-only {
    display: none !important;
  }
}

/* Utility: .desktop-only */
@media only screen and (max-width: 768px) {
  .desktop-only {
    display: none !important;
  }
}

/* Utility: sr-only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Utility: Content Overlay */
#topnav.content-overlay {
  border-bottom: 1px solid var(--mdc-theme-primary-variant);
  box-shadow: var(--tn-shadow-lg);
}

#topnav.content-overlay::before {
  display: block;
  position: fixed;
  inset: 0;
  top: var(--tn-primary-nav-height);
  content: "";
  backdrop-filter: var(--tn-backdrop-filter);
  background-color: var(--tn-backdrop-color);
  pointer-events: none;
}

/* Topnav */
#topnav {
  z-index: 3;
  position: relative;
  color: var(--mdc-theme-on-primary-contrast);
  background-color: var(--mdc-theme-primary);
  /* Ensure font is the same across material and bootstrap environments */
  font-family: "Roboto", sans-serif;
  font-size: var(--tn-text-md);
  line-height: normal;
}

/* Ensure Width Calculations are the same in materialize and bootstrap environment */
#topnav * {
  -webkit-box-sizing: content-box;
  -moz-box-sizing: content-box;
  box-sizing: content-box;
}

/* Primary Nav */
#topnav .primary-nav {
  display: flex;
  position: relative;
  justify-content: space-between;
  align-items: end;
  height: var(--tn-primary-nav-height);
}

/* Banner Container */
#topnav .banner-container {
  display: none;
}
#topnav.has-banner .banner-container {
  display: block;
  position: absolute;
  inset: 0;
  content: "";
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  pointer-events: none;
  background-color: var(--mdc-theme-primary);
  mask-image: linear-gradient(to bottom, black, transparent 70%);
  background-blend-mode: luminosity;
  /* background-image set by userdefined styles */
}

/* Nav with Banner is taller (On Desktop) */
@media only screen and (min-width: 769px) {
  #topnav.has-banner.content-overlay::before {
    top: calc(var(--tn-primary-nav-height) + var(--tn-banner-space));
  }
  
  #topnav.has-banner .primary-nav {
    height: calc(var(--tn-primary-nav-height) + var(--tn-banner-space));
  }

  #topnav.has-banner .primary-nav ul.category-menu li a {
    border-top-left-radius: var(--tn-radius);
    border-top-right-radius: var(--tn-radius);
  }

  #topnav.has-banner .primary-nav #searchPopover {
    top: calc(var(--tn-primary-nav-height) + var(--tn-banner-space) - var(--tn-gutter));
    height: calc(100vh - var(--tn-primary-nav-height) - var(--tn-banner-space) + var(--tn-gutter));
    border-top-left-radius: var(--tn-radius);
  }

  #topnav.has-banner ul.secondary-nav > li .megamenu {
    top: calc(var(--tn-primary-nav-height) + var(--tn-secondary-nav-height) + var(--tn-banner-space) - 4px);
  }

  #topnav.has-banner ul#accountPopover {
    inset: calc(var(--tn-primary-nav-height) + var(--tn-banner-space) - var(--tn-gutter)) calc(3 * var(--tn-gutter)) auto auto;
  }
}

/* Mobile Header */
#topnav .mobile-header {
  display: flex;
  position: relative;
  align-items: center;
  height: 100%;
  margin-right: auto;
  cursor: pointer;
}

/* Category Menu Mobile */
@media only screen and (max-width: 768px) {
  #topnav ul.category-menu {
    display: none; /* Hide by default, Toggled by JS */
    z-index: 1; /* Appear above content */
    position: fixed;
    top: var(--tn-primary-nav-height);
    left: 0;
    width: 100%;
    max-height: calc(100vh - var(--tn-primary-nav-height));
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--mdc-theme-primary-variant);
    overflow-y: auto;
    list-style-type: none;
    background-color: var(--mdc-theme-primary);
    box-shadow: var(--tn-shadow-lg);
  }

  #topnav ul.category-menu li {
    margin: 0;
    padding: 0;
  }

  #topnav ul.category-menu li a {
    display: flex;
    align-items: center;
    height: calc(5 * var(--tn-gutter));
    padding: 0 calc(3 * var(--tn-gutter));
    border-top: 1px solid var(--mdc-theme-secondary);
    color: var(--mdc-theme-on-primary-contrast);
    text-decoration: none;
    background-color: var(--mdc-theme-primary);
  }

  #topnav ul.category-menu li a:hover {
    background-color: var(--mdc-theme-secondary);
  }
}

/* Logo & Home Link */
#topnav .logo-container {
  display: block;
  position: relative;
  width: 85px;
  height: calc(100% - 2 * var(--tn-gutter));
  margin: var(--tn-gutter);
  margin-left: calc(2 * var(--tn-gutter));
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  border: none;
  /* Cannot set a background-image here, see "Force Default Logo" below. */
}

/*
Force Default Logo: 
Problem: Setting a default logo in this CSS is overridden by "../custom/" in userdefined.css when there is no user defined logo (!important is used there)
Solution: Add .force-default-logo with javascript if there is no custom logo to increase specificity above the rule in userdefined.css (Search materialise.js for "force-default-logo")
*/
#topnav .logo-container.force-default-logo {
  background-image: url(../images/facts-logo-bw.png) !important;
}

#topnav .logo-container:hover {
  filter: brightness(1.1);
  scale: 1.05;
  transition-duration: 100ms;
}

#topnav.has-banner .logo-container {
  height: calc(100% - 4 * var(--tn-gutter));
  margin: calc(2 * var(--tn-gutter));
}

/* Category Menu Desktop */
@media only screen and (min-width: 769px) {
  #topnav ul.category-menu {
    display: flex !important; /* !important to override category menu toggling in JS - on desktop the menu is always visible */
    position: relative;
    align-items: center;
    height: var(--tn-primary-nav-height);
    margin: 0 auto 0 0;
    padding: 0;
    overflow: hidden;
  }

  #topnav ul.category-menu li {
    display: block;
    margin: 0;
    padding: 0;
  }

  #topnav ul.category-menu li a {
    display: flex;
    align-items: center;
    height: var(--tn-primary-nav-height);
    padding: 0 calc(2 * var(--tn-gutter));
    color: var(--mdc-theme-on-primary-contrast);
    text-decoration: none;
    white-space: nowrap;
  }

  #topnav ul.category-menu li a:hover {
    color: var(--mdc-theme-on-secondary-contrast);
    background-color: var(--mdc-theme-secondary);
  }

  #topnav ul.category-menu li a.selected {
    color: var(--mdc-theme-on-primary-variant);
    background-color: var(--mdc-theme-primary-variant);
  }
}

/* Search Box */
#topnav .search-box {
  display: flex;
  position: relative;
  align-items: center;
  height: var(--tn-primary-nav-height);
}

#topnav .search-box input {
  width: var(--tn-search-input-width);
  height: var(--tn-input-height);
  margin-right: var(--tn-gutter);
  padding: 0 var(--tn-gutter);
  border: 1px solid var(--tn-border);
  border: none;
  border-radius: var(--tn-radius);
  color: var(--mdc-theme-on-primary-variant);
  background-color: var(--mdc-theme-primary-variant);
  box-shadow: var(--tn-shadow-sm);
  font-size: var(--tn-text-md);
  line-height: normal;
}

#topnav .search-box input::placeholder {
  opacity: 0.5;
  color: var(--mdc-theme-on-primary-variant);
}

/* Show the search cancel button on bootstrap, which hides it by default (their search inputs have custom cancel buttons) */
#topnav input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: auto;
  opacity: 1;
}

/* Search Results */
#topnav #searchPopover {
  inset: calc(var(--tn-primary-nav-height) - var(--tn-gutter)) 0 0 auto;
  width: var(--tn-search-popover-width);
  height: calc(100vh - var(--tn-primary-nav-height) + var(--tn-gutter));
  margin: 0;
  padding: 0;
  border: none;
  border-top: 1px solid var(--tn-border);
  border-left: 1px solid var(--tn-border);
  border-top-left-radius: var(--tn-radius);
  overflow-y: auto;
  background-color: var(--tn-neutral-bg);
  box-shadow: var(--tn-shadow-lg);
}

#topnav #searchPopover .close-button {
  inset: 0 var(--tn-gutter) auto auto;
  position: absolute;
  color: var(--tn-neutral-secondary-fg);
}

#topnav #searchPopover h3 {
  margin: 0;
  padding: calc(2 * var(--tn-gutter));
  border-bottom: 1px solid var(--tn-border);
  color: var(--tn-neutral-secondary-fg);
}

#topnav #searchPopover ul {
  margin: 0;
  padding: 0;
}

#topnav #searchPopover ul li {
  display: block;
  margin: 0;
  padding: 0;
}

#topnav #searchPopover ul li a {
  display: flex;
  align-items: center;
  padding: var(--tn-gutter) calc(2 * var(--tn-gutter));
  border-bottom: 1px solid var(--tn-border);
  color: var(--tn-neutral-fg);
  text-decoration: none;
  min-height: 24px;
}

#topnav #searchPopover ul li a:hover {
  background-color: var(--tn-neutral-secondary-bg-hover);
}

#topnav #searchPopover ul li.no-results {
  padding: calc(4 * var(--tn-gutter)) 0;
  text-align: center;
  color: var(--tn-neutral-secondary-fg);
}

/* Reduce Primary Nav Items on Smaller Screen */
/* So that Search does not overlay categories */
@media only screen and (max-width: 1024px) {
  #topnav ul.category-menu .logo-container {
    margin: 0;
  }

  #topnav ul.category-menu li a {
    padding: 0 var(--tn-gutter);
    letter-spacing: -0.3px;
  }

  #topnav .search-box input {
    width: var(--tn-search-input-reduced-width);
  }

  #topnav #searchPopover {
    width: var(--tn-search-popover-reduced-width);
  }
}

/* Search on Mobile */
#topnav #mobile-search-button {
  display: none;
  margin-right: var(--tn-gutter);
}

@media only screen and (max-width: 768px) {
  #topnav #mobile-search-button {
    display: block;
  }

  #topnav .search-box input {
    display: none; /* Hide by default, Toggled by JS */
  }
}

/* Account Menu */
#topnav .account-box {
  display: flex;
  position: relative;
  align-items: center;
  height: var(--tn-primary-nav-height);
  margin-right: var(--tn-gutter);
}

#topnav ul#accountPopover {
  inset: calc(var(--tn-primary-nav-height) - var(--tn-gutter)) calc(3 * var(--tn-gutter)) auto auto;
  margin: 0;
  padding: 0;
  border: 1px solid var(--tn-border);
  border-radius: var(--tn-radius);
  background-color: var(--tn-neutral-bg);
  box-shadow: var(--tn-shadow-lg);
}

#topnav ul#accountPopover li {
  display: block;
  margin: 0;
  padding: 0;
}

#topnav ul#accountPopover li a,
#topnav ul#accountPopover li button {
  display: flex;
  align-items: center;
  height: calc(6 * var(--tn-gutter));
  padding: 0 calc(2 * var(--tn-gutter));
  color: var(--tn-neutral-secondary-fg);
  text-decoration: none;
  background-color: var(--tn-neutral-bg);
  border: 0 0 1px solid var(--tn-border) 0;
  cursor: pointer;
  font-size: var(--tn-text-md);
  justify-self: stretch;
}

#topnav ul#accountPopover li:last-child a #topnav ul#accountPopover li:last-child button {
  height: calc(8 * var(--tn-gutter));
  border-bottom: none;
}

#topnav ul#accountPopover li a:hover,
#topnav ul#accountPopover li button:hover {
  color: var(--tn-neutral-fg);
  background-color: var(--tn-neutral-secondary-bg-hover);
}

#topnav ul#accountPopover li a i,
#topnav ul#accountPopover li button i {
  margin-right: var(--tn-gutter);
}

/* Secondary Nav */
#topnav ul.secondary-nav {
  -ms-overflow-style: -ms-autohiding-scrollbar;
  -webkit-overflow-scrolling: touch;
  display: none;
  z-index: 3;
  position: relative;
  align-items: center;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  color: var(--mdc-theme-on-primary-variant);
  background-color: var(--mdc-theme-primary-variant);
}

#topnav ul.secondary-nav::-webkit-scrollbar {
  display: none;
}

#topnav ul.secondary-nav > li {
  display: block;
  margin: 0;
  padding: 0;
}

#topnav ul.secondary-nav > li > a {
  display: flex;
  align-items: center;
  height: var(--tn-secondary-nav-height);
  padding: 0 calc(2 * var(--tn-gutter));
  overflow: visible;
  color: var(--mdc-theme-on-primary-variant);
  text-decoration: none;
  white-space: nowrap;
}

#topnav ul.secondary-nav > li:hover > a {
  color: var(--mdc-theme-on-secondary-contrast);
  background-color: var(--mdc-theme-secondary);
}

#topnav ul.secondary-nav > li > a.selected {
  color: var(--tn-neutral-fg);
  background-color: var(--tn-neutral-bg);
}
/* For less than 3 children we show a smaller Megamenu, Left and Width are overridden by JS */
#topnav ul.secondary-nav > li .megamenu {
  gap: calc(2 * var(--tn-gutter));
  grid-template-columns: repeat(auto-fit, minmax(var(--tn-menu-group-width), 1fr));
  display: grid;
  position: fixed;
  top: calc(var(--tn-primary-nav-height) + var(--tn-secondary-nav-height) - 4px);
  left: 0;
  max-height: calc(100vh - var(--tn-primary-nav-height) - var(--tn-secondary-nav-height) - 8 * var(--tn-gutter));
  padding: calc(3 * var(--tn-gutter));
  border: 1px solid var(--tn-border);
  border-top: 1px solid transparent;
  border-radius: var(--tn-radius);
  overflow-y: auto;
  background-color: var(--tn-neutral-bg);
  box-shadow: var(--tn-shadow-lg);
}

#topnav ul.secondary-nav > li .megamenu .megamenu-group {
  display: flex;
  flex-direction: column;
  break-inside: avoid;
  width: 100%;
  border-radius: var(--tn-radius);
  overflow: hidden; /* Preserve the border-radius */
  background-color: var(--tn-neutral-secondary-bg);
  max-height: 344px;
}

#topnav ul.secondary-nav > li .megamenu .megamenu-group h4 {
  margin: 0;
  padding: var(--tn-gutter) calc(2 * var(--tn-gutter));
  color: var(--mdc-theme-on-secondary-contrast);
  font-size: var(--tn-text-md);
  font-weight: 500;
  background-color: var(--mdc-theme-secondary);
}

#topnav ul.secondary-nav > li .megamenu .megamenu-group ul {
  break-inside: avoid;
  height: auto;
  margin: 0;
  padding: 0;
  list-style-type: none;
  /* Group Scroll */
  overflow-y: auto;
}

#topnav ul.secondary-nav > li .megamenu .megamenu-group ul li {
  margin: 0;
  padding: 0;
}

#topnav ul.secondary-nav > li .megamenu .megamenu-group ul li a {
  display: block;
  padding: var(--tn-gutter) calc(2 * var(--tn-gutter));
  color: var(--tn-neutral-secondary-fg);
  text-decoration: none;
  background-color: var(--tn-neutral-secondary-bg);
}

#topnav ul.secondary-nav > li .megamenu .megamenu-group ul li a:hover {
  background-color: var(--tn-neutral-secondary-bg-hover);
}
/* Megamenu on Mobile */
@media only screen and (max-width: 768px) {
  #topnav ul.secondary-nav > li .megamenu {
    grid-template-columns: 1fr;
    width: calc(100vw - 4 * var(--tn-gutter));
    max-width: calc(100vw - 4 * var(--tn-gutter));
    padding: calc(2 * var(--tn-gutter));
  }
}

/* Tertiary Nav (Page Nav) */
#topnav .tertiary-nav {
  display: flex;
  position: relative;
  align-items: center;
  height: var(--tn-tertiary-nav-height);
  border-bottom: 1px solid var(--tn-border);
  color: var(--tn-neutral-secondary-fg);
  background-color: var(--tn-neutral-bg);
}

#topnav .tertiary-nav button {
  color: var(--tn-neutral-secondary-fg);
  width: var(--tn-tertiary-nav-height);
  height: var(--tn-tertiary-nav-height);
  margin: 0 var(--tn-gutter);
  padding: 0;
}

#topnav .tertiary-nav a {
  line-height: normal;
  text-decoration: underline;
  color: var(--tn-neutral-secondary-fg);
}

#topnav .tertiary-nav h5 {
  display: flex;
  align-items: center;
  height: var(--tn-tertiary-nav-height);
  margin-right: auto;
  padding: 0 calc(2 * var(--tn-gutter));
  border-left: 1px solid var(--tn-border);
  font-weight: normal;
  font-size: var(--tn-text-md);
}

/* History Popover */
#topnav #historyPopover {
  inset: 0 auto 0 0;
  width: var(--tn-history-popover-width);
  height: 100vh;
  margin: 0;
  padding: 0;
  border: none;
  border-right: 1px solid var(--tn-border);
  overflow-y: auto;
  background-color: var(--tn-neutral-bg);
  box-shadow: var(--tn-shadow-lg);
}

#topnav #historyPopover h2 {
  gap: var(--tn-gutter);
  display: flex;
  align-items: center;
  height: calc(4 * var(--tn-gutter));
  margin: 0;
  padding: var(--tn-gutter);
  padding-left: calc(2 * var(--tn-gutter));
  color: var(--mdc-theme-on-primary-variant);
  font-weight: normal;
  font-size: var(--tn-text-md);
  background-color: var(--mdc-theme-primary-variant);
}

#topnav #historyPopover h2 button {
  margin-left: auto;
}

#topnav #historyPopover ul {
  margin: 0;
  padding: 0;
}

#topnav #historyPopover ul li {
  display: block;
  margin: 0;
  padding: 0;
}

#topnav #historyPopover ul li a {
  display: flex;
  align-items: center;
  font-size: var(--tn-text-sm);
  min-height: 24px;
  padding: var(--tn-gutter) calc(2 * var(--tn-gutter));
  color: var(--tn-neutral-fg);
  text-decoration: none;
}

#topnav #historyPopover ul li a:hover {
  background-color: var(--tn-neutral-secondary-bg-hover);
}

#topnav #historyPopover div.no-results {
  padding: calc(4 * var(--tn-gutter)) 0;
  text-align: center;
  color: var(--tn-neutral-secondary-fg);
}

/* Status Bar */
#statusbox {
  display: flex;
  z-index: 3;
  position: fixed;
  right: 0;
  bottom: 0;
  justify-content: space-between;
  align-items: center;
  height: calc(3 * var(--tn-gutter));
  padding: 0 var(--tn-gutter);
  border-top: 1px solid var(--tn-border);
  border-left: 1px solid var(--tn-border);
  border-top-left-radius: var(--tn-radius);
  color: var(--tn-neutral-secondary-fg);
  font-size: var(--tn-text-xxs);
  background-color: var(--tn-neutral-secondary-bg);
  box-shadow: var(--tn-shadow-sm);
}

#statusbox .logo-mark {
  width: auto;
  height: calc(2 * var(--tn-gutter));
  margin-right: calc(var(--tn-gutter) / 2);
}