/**
 * @file
 * Header Search Wide Block.
 */

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

/* Override contextual links so we can position against .site-header. */
.block-search-wide.contextual-region {
  position: static;
}

.block-search-wide__wrapper {
  position: absolute;
  z-index: 1; /* Ensure left border shows above social region in IE11. */
  inset-block-start: 100%;
  inset-inline-start: 0;
  display: none;
  visibility: hidden;
  overflow: hidden;
  width: 100vw;
  max-width: var(--max-bg-color);
  height: var(--sp8);
  max-height: 0;
  margin-block: 0;
  margin-inline-start: 0;
  margin-inline-end: 0;
  padding-block: 0;
  padding-inline-start: 0;
  padding-inline-end: 0;
  transition: all 0.2s;
  border-inline-start: solid var(--content-left) var(--color--gray-10);
  background: var(--color--black);

  &.is-active {
    visibility: visible;
    max-height: var(--sp8);
  }

  & form {
    display: flex;
    grid-column: 1 / 14;
  }

  & input[type="search"] {
    width: calc(100% + var(--sp2));
    height: var(--sp8);
    padding-block: 0;
    padding-inline-start: var(--sp12);
    padding-inline-end: 0;
    transition: background-size 0.4s;
    color: var(--color--white);
    border: solid 1px transparent;
    box-shadow: none;
    font-family: serif;
    font-size: 32px;
    -webkit-appearance: none;

    &::-ms-clear {
      width: 40px;
      opacity: 0.5;
    }

    &:focus {
      outline: solid 4px transparent;
      outline-offset: -4px;

      /*
        We normally indicate focus by animating background-image width. This isn't
        available in IE11 when in Windows high contrast mode.
      */
      @media screen and (-ms-high-contrast: active) {
        border-bottom-width: var(--sp0-5);
      }
    }
  }

  & .form-item-keys {
    flex-grow: 1;
    margin: 0;
  }

  & .form-actions {
    display: flex;
    margin: 0;
  }

  & .search-form__submit {
    position: relative;
    overflow: hidden;
    align-self: stretch;
    width: 100px;
    height: auto;
    margin-block: 0;
    margin-inline-start: 0;
    margin-inline-end: 0;
    padding-block: 0;
    padding-inline-start: 0;
    padding-inline-end: 0;
    cursor: pointer;
    border-color: transparent;
    background-color: transparent;

    /*
      When in Windows high contrast mode, FF will will not output either background
      images or SVGs that are nested directly within a <button> element, so we add a <span>.
    */
    & .icon--search {
      position: absolute;
      inset-block-start: 0;
      inset-inline-end: 0;
      display: block;
      width: 24px; /* Width of the SVG background image. */
      height: 100%;
      pointer-events: none;
      background-image: url("../../images/search--white.svg");
      background-repeat: no-repeat;
      background-position: center;
      background-size: contain;

      &:after {
        position: absolute;
        inset-block-end: 0;
        inset-inline-start: 0;
        width: 100%;
        height: 0;
        content: "";
        transition: transform 0.2s;
        transform: scaleX(0);
        transform-origin: left;
        border-block-start: solid var(--sp0-5) var(--color--blue-50);
      }
    }

    &:focus {
      outline: solid 4px transparent;
      outline-offset: -4px;
      box-shadow: none;

      & span:after {
        transform: scaleX(1);
      }

      @media screen and (-ms-high-contrast: active) {
        border-bottom-width: var(--sp0-5);

        & span:after {
          content: none;
        }
      }
    }

    @media screen and (-ms-high-contrast: active) {
      /* IE11's high contrast show will not show the background image, so we show the text. */
      & .visually-hidden {
        position: static;
        overflow: visible;
        clip: auto;
        width: auto;
        height: auto;
        text-align: center;
      }

      /* Edge's high contrast does show the background image, so we hide it. */
      & .icon--search {
        display: none;
      }
    }
  }
}

.block-search-wide__container {
  max-width: var(--max-width);
  padding-inline-end: var(--sp2);
}

.block-search-wide__grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-col-count--md), 1fr);
  grid-column-gap: var(--grid-gap--md);
}

/* Override specificity from container-inline.module.css */
.container-inline {
  & .block-search-wide__container {
    display: block;
  }

  & .block-search-wide__grid {
    display: grid;
  }
}

.block-search-wide__button {
  position: relative;
  display: none;
  width: var(--sp3);
  height: var(--sp6);
  cursor: pointer;
  color: var(--color--gray-0); /* Affects SVG search icon. */
  border: 0;
  background: transparent;
  -webkit-appearance: none;

  &:focus {
    position: relative;
    outline: 0;

    &:after {
      position: absolute;
      top: 50%;
      left: 50%;
      width: 80%;
      height: var(--sp3);
      content: "";
      transform: translate(-50%, -50%);
      border: solid 2px var(--color--blue-50);
      border-radius: 4px;
    }
  }

  &[aria-expanded="true"] {
    background: var(--color--black);

    &:focus:after {
      border-color: var(--color--white);
    }

    & .block-search-wide__button-close {
      &:before,
      &:after {
        position: absolute;
        top: 50%;
        left: 50%;
        width: var(--sp1-5);
        height: 0;
        content: "";
        border-block-start: solid 2px var(--color--white);
      }

      &:before {
        transform: translate(-50%, -50%) rotate(-45deg);
      }

      &:after {
        transform: translate(-50%, -50%) rotate(45deg);
      }
    }

    & svg {
      display: none;
    }
  }

  & svg {
    margin-inline-start: auto;
    margin-inline-end: auto;
  }
}

/* Provide rudimentary access to site search if JS is disabled. */
html:not(.js) .search-block-form:focus-within .block-search-wide__wrapper {
  visibility: visible;
  max-height: var(--sp8);
}

/* Necessary to override specificity of transpiled PostCSS properties from default input focus styling. */
[dir] .block-search-wide__wrapper input[type="search"] {
  background-color: transparent;
  background-image: linear-gradient(var(--color--blue-50), var(--color--blue-50)); /* Two values are needed for IE11 support. */
  background-repeat: no-repeat;
  background-position: bottom left; /* LTR */
  background-size: 0% 10px;

  &:focus {
    background-size: 100% var(--sp0-5);
  }
}

[dir="rtl"] .block-search-wide__wrapper {
  & input[type="search"] {
    background-position: bottom right;
  }

  & .search-form__submit .icon--search:after {
    transform-origin: right;
  }
}

body:not(.is-always-mobile-nav) {
  & .block-search-wide__wrapper,
  & .block-search-wide__button {
    @media (--nav) {
      display: block;
    }
  }
}