core/themes/olivero/css/components/navigation/wide-nav-expand.css
/*
 * DO NOT EDIT THIS FILE.
 * See the following change record for more information,
 * https://www.drupal.org/node/3084859
 * @preserve
 */

/**
 * @file
 * Button which expands the navigation at wide viewport widths.
 */

.wide-nav-expand {
  display: none;
}

@media (min-width: 75rem) {
  .wide-nav-expand {
    display: flex;
    visibility: hidden;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: var(--content-left);
    height: var(--sp6);
    cursor: pointer;
    pointer-events: auto;
    color: var(--color--white);
    border: 0;
    background-color: var(--color--primary-50);
  }

  .wide-nav-expand:focus {
    outline: solid 2px currentColor;
    outline-offset: -4px;
  }
}

@media (min-width: 75rem) {
  body:not(.is-always-mobile-nav) .is-fixed .wide-nav-expand {
    visibility: visible;
  }
}

@media (min-width: 75rem) {
  body.is-always-mobile-nav .wide-nav-expand {
    visibility: hidden;
  }
}

.wide-nav-expand__icon {
  position: relative;
  width: var(--sp2);
  height: 1.3125rem;
  transition: opacity 0.2s;
  pointer-events: none;
  opacity: 0;
  transform-style: preserve-3d;
}

.wide-nav-expand__icon > span {
  display: block;
  height: 0;
  /* Intentionally not using CSS logical properties. */
  border-top: solid 3px currentColor;
}

:is(.wide-nav-expand__icon > span):nth-child(1) {
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 0;
  transition: transform 0.2s;
  background-color: currentColor;
}

:is(.wide-nav-expand__icon > span):nth-child(2) {
  position: absolute;
  inset-block-start: 0.5625rem;
  inset-inline-start: 0;
  width: 100%;
  height: 0;
  transition: opacity 0.2s;
  background-color: currentColor;
}

:is(.wide-nav-expand__icon > span):nth-child(3) {
  position: absolute;
  inset-block: auto 0;
  inset-inline-start: 0;
  width: 100%;
  height: 0;
  transition: transform 0.2s;
  background-color: currentColor;
}

.is-fixed .wide-nav-expand__icon {
  opacity: 1;
}

:is([aria-expanded="true"] .wide-nav-expand__icon) > span:nth-child(1) {
  inset-block-start: 0.5625rem;
  transform: rotate(-45deg);
}

:is([aria-expanded="true"] .wide-nav-expand__icon) > span:nth-child(2) {
  opacity: 0;
}

:is([aria-expanded="true"] .wide-nav-expand__icon) > span:nth-child(3) {
  inset-block-start: 0.5625rem;
  transform: rotate(45deg);
}
