/**
 * @file
 * Nav Primary (wide widths).
 */

@import "../../base/variables.pcss.css";

body:not(.is-always-mobile-nav) {
  @media (--nav) {
    & .primary-nav__menu-item {
      flex-wrap: nowrap; /* Ensure that sub navigation toggle button doesn't wrap underneath link. */

      &.primary-nav__menu-item--has-children {
        & .primary-nav__menu-link--link,
        & .primary-nav__menu-link--nolink {
          flex-basis: auto;
        }
      }
    }

    & .primary-nav__menu-link {
      letter-spacing: 0.02em;
      font-size: 16px;
      line-height: var(--sp1-5);
    }

    & .primary-nav__menu-link--button {
      &.primary-nav__menu-link--has-children {
        overflow: visible; /* Necessary to view icon in IE11 */
        padding-inline-end: 9px;

        &:before {
          content: none;
        }

        /* Chevron icon for desktop navigation. */
        &:after {
          position: absolute;
          inset-block-start: 50%;
          inset-inline-start: calc(100% - 3px);
          width: 8px;
          height: 8px;
          margin-block-start: -2px;
          transform: translateY(-50%) rotate(45deg);
          /* Intentionally not using CSS logical properties. */
          border-top: 0;
          border-right: solid 2px currentColor;
          border-bottom: solid 2px currentColor;
        }

        &[aria-expanded="true"]:after {
          opacity: 1;
        }
      }
    }

    & .primary-nav__menu-link-inner {
      padding-block: var(--sp2);
      padding-inline-start: 0;
      padding-inline-end: 0;
      transform-origin: center;
      border-top-width: var(--sp0-5);
    }

    & .primary-nav__menu--level-1 {
      display: flex;
      align-items: stretch;
      margin-inline-end: var(--sp);
    }

    & .primary-nav__menu-item--level-1 {
      position: relative; /* Anchor secondary menu */
      display: flex;
      align-items: center;
      width: max-content;
      max-width: 200px;
      margin-block: 0;
      margin-inline-start: 0;
      margin-inline-end: 0;

      &:not(:last-child) {
        margin-inline-end: var(--sp2);
      }
    }

    & .primary-nav__menu--level-2 {
      position: absolute;
      z-index: 5; /* Appear above search container. */
      /* stylelint-disable csstools/use-logical */
      top: calc(100% - (0.5 * var(--sp)));
      left: 50%;
      /* stylelint-enable csstools/use-logical */
      visibility: hidden;
      overflow: visible;
      width: 250px;
      max-height: none;
      margin-block-start: 0;
      margin-inline-start: 0;
      padding-block: calc(3 * var(--sp));
      padding-inline-start: var(--sp2);
      padding-inline-end: var(--sp2);
      transition: none;
      transform: translate(-50%, -20px);
      opacity: 0;
      /* Intentionally not using CSS logical properties. */
      border-top: solid var(--color--blue-50) var(--sp0-5);
      border-right: solid 1px transparent; /* Transparent borders useful for Windows High Contrast mode. */
      border-bottom: solid 1px transparent;
      border-left: solid 1px transparent;
      border-radius: 0 0 2px 2px;
      background: var(--color--white);
      box-shadow: 0 1px 36px rgba(0, 0, 0, 0.08);

      /* Arrow */
      &:after {
        position: absolute;
        /* stylelint-disable csstools/use-logical */
        bottom: calc(100% + (0.5 * var(--sp)));
        left: 50%;
        /* stylelint-enable csstools/use-logical */
        width: 0;
        height: 0;
        content: "";
        transform: translateX(-50%);
        /* Intentionally not using CSS logical properties. */
        border-right: solid 10px transparent;
        border-bottom: solid 10px var(--color--blue-50);
        border-left: solid 10px transparent;
      }

      &.is-active {
        visibility: visible;
        margin-block-start: 0;
        transform: translate(-50%, 0);
        opacity: 1;
      }
    }

    & .primary-nav__menu-link--level-2 {
      display: block;

      & .primary-nav__menu-link-inner {
        padding-block: var(--sp0-5);
        padding-inline-start: 0;
        padding-inline-end: 0;

        &:after {
          transform-origin: left;
          border-top-width: 3px;
        }
      }
    }
  }
}

/*
 * Only apply transition styles to menu when JS is loaded. This
 * works around https://bugs.chromium.org/p/chromium/issues/detail?id=332189
 */
html.js body:not(.is-always-mobile-nav) .primary-nav__menu--level-2 {
  @media (--nav) {
    transition: visibility 0.2s, transform 0.2s, opacity 0.2s;
  }
}

[dir="rtl"] {
  & body:not(.is-always-mobile-nav) {
    @media (--nav) {
      & .primary-nav__menu-link--level-2 {
        & .primary-nav__menu-link-inner:after {
          transform-origin: right;
        }
      }
    }
  }
}
