// Site navigation desktop layout
//
// The main layout for the website navigation, for a desktop
// devices only.
//
// TODO: Needs harsh refactoring!
//
/* stylelint-disable selector-max-combinators, selector-max-compound-selectors, max-nesting-depth, a11y/no-display-none, order/properties-alphabetical-order, declaration-no-important, no-descending-specificity */
$absolute-navigation: true;
$nav-link-padding-y: .6rem;
$nav-link-padding-x: 2rem;
$nav-link-padding-y-dropdown: .4rem;
$nav-link-padding-x-dropdown: 1.5rem;
$nav-links: (
  'color': $color-white,
  'hover-color': $color-white,
  'font-weight': 700,
  'font-size': 1.6rem
);
$nav-dropdown-links: (
  'color': $color-links,
  'hover-color': $color-hover,
  'font-weight': 400,
  'font-size': 1.4rem
);
$dropdown: (
  'background': $color-white,
  'gap': 1rem,
  'width': 22rem,
  'border-radius': 4px
);
$dropdown-toggle: (
  'background': transparent,
  'border': none, 'border-radius': 50%,
  'color': $color-white,
  'size': auto,
  'arrow-size': 1rem
);
$dropdown-toggle-hover: (
  'background': $color-white,
  'border': 1px solid $color-white,
  'color': $color-links,
);
$submenu-dropdown-toggle: (
  'background': transparent,
  'border': none,
  'border-radius': 0,
  'color': $color-links,
  'height': auto,
  'width': 3rem,
  'arrow-size': 1rem
);
$submenu-dropdown-toggle-hover: (
  'background': $color-white,
  'border': none,
  'color': $color-links,
);

@if $absolute-navigation == false {
  .nav-container {
    background-color: $color-background-nav-desktop;
    box-shadow: 0 0 10px rgba($color-dark, .1);
    position: relative;
    z-index: 222;
  }
}

@if $absolute-navigation == true {
  .nav-container {
    background-color: transparent;
    position: absolute;
    width: 100%;

    @media only screen and (min-width: $responsivenav) {
      // Main level links
      .nav-primary > ul > li > a,
      .nav-primary > ul > li > button {
        color: $color-white;
        position: relative;
      }

      .nav-primary > ul > li > a:focus,
      .nav-primary > ul > li > a:hover {
        color: $color-white;
      }
    }
  }
}

@media only screen and (min-width: $responsivenav) {
  .menu-item-has-children::before {
    content: '';
    display: block;
    position: absolute;
    width: 0;
    height: 0;
    /* stylelint-disable */
    border-color: transparent transparent $color-white;
    /* stylelint-enable */
    border-style: solid;
    border-width: 0 5px 5px;
    left: 50%;
    bottom: -10px;
    transform: scale(0);
    margin-left: -20px;
    transform-origin: center bottom;
    transition: none;
  }

  .nav-primary > ul:first-of-type > .menu-item-has-children:focus::before,
  .nav-primary > ul:first-of-type > .menu-item-has-children:hover::before {
    transform: scale(1);
    transition: all .25s cubic-bezier(.19, 1, .22, 1);
  }

  .sub-menu {
    background: map-get($dropdown, 'background');
    width: map-get($dropdown, 'width');
    left: 0;
    z-index: -1;
    border-top-left-radius: map-get($dropdown, 'border-radius');
    border-top-right-radius: map-get($dropdown, 'border-radius');
    border-bottom-left-radius: map-get($dropdown, 'border-radius');
    border-bottom-right-radius: map-get($dropdown, 'border-radius');
    border-left: 1px solid rgba(0, 0, 0, .05);
    border-right: 1px solid rgba(0, 0, 0, .05);
    border-bottom: 1px solid rgba(0, 0, 0, .05);
    box-shadow: 0 25px 20px -10px rgba(5, 4, 25, .05);
    transition: opacity .25s cubic-bezier(.19, 1, .22, 1);

    // Hide by default
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: -9999px;

    a {
      line-height: 1.5;
    }
  }

  .nav-primary ul .sub-menu.toggled-on,
  .menu-item-has-children:focus > .sub-menu,
  .menu-item-has-children:hover > .sub-menu,
  .menu-item-has-children.hover-intent > .sub-menu {
    top: 100%;
    visibility: visible;
    opacity: 1;
    z-index: 1;
    transform: translateY(0%);
  }
}

@media only screen and (min-width: $responsivenav) {
  .nav-container {
    background: $color-background-nav-desktop;
  }

  @media only screen and (max-width: $responsivenav) {
    ul li:focus > ul,
    ul li:hover > ul {
      display: block;
    }
  }

  // Disable animations on IE10 + IE11
  @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    // Enable hovers
    ul li:focus > ul,
    ul li:hover > ul {
      display: block;
    }
  }

  // Make sure mobile nav-toggle is hidden on desktop
  .nav-toggle {
    display: none;
  }

  // Start navigation
  .nav-primary {
    padding-top: 0;
    padding-bottom: 0;

    .menu-items {
      margin: 0;
      padding: 0;
      background: transparent;
      position: relative;
      display: flex;
      align-items: center;
    }

    // General menu items
    .menu-item {
      position: relative;
      margin: 0;

      // Main level
      > a {
        padding: $nav-link-padding-y $nav-link-padding-x;
        /* stylelint-disable */
        color: map-get($nav-links, 'color');
        font-size: map-get($nav-links, 'font-size');
        font-weight: map-get($nav-links, 'font-weight');
        /* stylelint-enable */
        display: inline-flex;
        align-items: center;

        /* stylelint-disable */
        min-height: map-get($dropdown-toggle, 'size');
        /* stylelint-enable */

        &.disabled {
          color: $color-disabled;
        }

        // Actions in menu items
        &:hover,
        &:focus,
        &:active,
        &.highlighted,
        &.current {
          color: map-get($nav-links, 'hover-color');
        }
      }

      // Dropdowns
      .sub-menu {
        width: map-get($dropdown, 'width');
        left: 5%;
        margin-left: 0;
        padding-bottom: .5rem;
        padding-top: .5rem;
        padding-left: 0;
        margin-top: map-get($dropdown, 'gap');
        z-index: 999;

        li {
          float: none;
          width: map-get($dropdown, 'width');
          padding: 0;
        }

        // All dropdowns in level 2 and after
        .sub-menu {
          top: 0;
          left: 100%;
          margin-left: 0;
          margin-top: -5px;
        }

        a {
          padding: $nav-link-padding-y-dropdown $nav-link-padding-x-dropdown;
          font-size: map-get($nav-dropdown-links, 'font-size');
          /* stylelint-disable font-weight-notation */
          font-weight: map-get($nav-dropdown-links, 'font-weight');
          /* stylelint-enable font-weight-notation */
          color: map-get($nav-dropdown-links, 'color');
          display: flex;
          align-items: center;
        }

        a:hover,
        a:focus,
        a:active,
        a.highlighted {
          color: map-get($nav-dropdown-links, 'hover-color');
        }

        .disabled {
          background: $color-white;
          color: $color-disabled;
        }
      }

      // Main level toggle arrow
      .dropdown-toggle {
        background-color: map-get($dropdown-toggle, 'background');
        border: map-get($dropdown-toggle, 'border');
        border-radius: map-get($dropdown-toggle, 'border-radius');
        color: map-get($dropdown-toggle, 'color');
        height: map-get($dropdown-toggle, 'height');
        width: map-get($dropdown-toggle, 'width');
        padding: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;

        svg {
          /* stylelint-disable no-descending-specificity */
          transition: transform $transition-duration ease-in;
          width: map-get($dropdown-toggle, 'arrow-size');
          height: map-get($dropdown-toggle, 'arrow-size');
          /* stylelint-enable */
        }

        &.toggled-on svg {
          transform: rotateX(180deg);
        }
      }

      // Sub-level toggle arrow
      ul li .dropdown-toggle {
        background-color: map-get($submenu-dropdown-toggle, 'background');
        border: map-get($submenu-dropdown-toggle, 'border');
        border-radius: map-get($submenu-dropdown-toggle, 'border-radius');
        color: map-get($submenu-dropdown-toggle, 'color');
        height: map-get($submenu-dropdown-toggle, 'height');
        width: map-get($submenu-dropdown-toggle, 'width');
        flex-shrink: 0;
        align-self: center;

        svg {
          transform: rotate(-90deg) rotateX(0deg);
          width: map-get($submenu-dropdown-toggle, 'arrow-size');
          height: map-get($submenu-dropdown-toggle, 'arrow-size');
        }

        &.toggled-on svg {
          transform: rotate(-90deg) rotateX(180deg);
        }
      }

      // Bubble arrow
      > li > ul::after {
        content: '';
        position: absolute;
        width: 0;
        height: 0;
        overflow: hidden;
        border-style: dashed dashed solid;
        top: -16px;
        left: 31px;
        border-width: 8px;
        /* stylelint-disable sh-waqar/declaration-use-variable */
        border-color: transparent transparent $color-white;
        /* stylelint-enable */
      }
    }

    .menu-item.menu-item-has-children {
      margin-right: .8rem;
      position: relative;
      display: flex;
      justify-content: space-between;
      align-items: center;

      // Add a pseudo element to fill the gap
      // between menu item and sub menu to help hovering
      &::after {
        display: block;
        position: absolute;
        content: '';
        height: map-get($dropdown, 'gap');
        width: 100%;
        top: 100%;
      }

      /* stylelint-disable */
      > a {
        // Let's make space for the nav-toggle/arrow
        padding-right: 1.5rem;
      }
      /* stylelint-enable */
    } // .menu-item.menu-item-has-children

    // Don't use gap filler in sub menu items
    .sub-menu .menu-item-has-children::after {
      display: none;
    }
  }
} // @media only screen and (min-width: $responsivenav)