packages/core/styles/components/navbar.pcss

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

:root {
  --ifm-navbar-background-color: var(--ifm-background-surface-color);
  --ifm-navbar-height: 3.75rem;
  --ifm-navbar-item-padding-horizontal: 0.75rem;
  --ifm-navbar-item-padding-vertical: 0.25rem;
  --ifm-navbar-link-color: var(--ifm-font-color-base);
  --ifm-navbar-link-hover-color: var(--ifm-color-primary);
  --ifm-navbar-link-active-color: var(--ifm-link-color);
  --ifm-navbar-padding-horizontal: var(--ifm-spacing-horizontal);
  --ifm-navbar-padding-vertical: calc(var(--ifm-spacing-vertical) * 0.5);
  --ifm-navbar-shadow: var(--ifm-global-shadow-lw);
  --ifm-navbar-search-input-background-color: var(--ifm-color-emphasis-200);
  --ifm-navbar-search-input-color: var(--ifm-color-emphasis-800);
  --ifm-navbar-search-input-placeholder-color: var(--ifm-color-emphasis-500);
  --ifm-navbar-search-input-icon: url('data:image/svg+xml;utf8,<svg fill="currentColor" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" height="16px" width="16px"><path d="M6.02945,10.20327a4.17382,4.17382,0,1,1,4.17382-4.17382A4.15609,4.15609,0,0,1,6.02945,10.20327Zm9.69195,4.2199L10.8989,9.59979A5.88021,5.88021,0,0,0,12.058,6.02856,6.00467,6.00467,0,1,0,9.59979,10.8989l4.82338,4.82338a.89729.89729,0,0,0,1.29912,0,.89749.89749,0,0,0-.00087-1.29909Z" /></svg>');
  --ifm-navbar-sidebar-width: 83vw;
}

html[data-theme='dark'],
.navbar--dark {
  --ifm-menu-link-sublist-icon-filter: invert(100%) sepia(94%) saturate(17%)
    hue-rotate(223deg) brightness(104%) contrast(98%);
}

.navbar {
  background-color: var(--ifm-navbar-background-color);
  box-shadow: var(--ifm-navbar-shadow);
  display: flex;
  height: var(--ifm-navbar-height);
  padding: var(--ifm-navbar-padding-vertical)
    var(--ifm-navbar-padding-horizontal);

  @media print {
    display: none;
  }

  & > .container,
  & > .container-fluid {
    display: flex;

    @media (--ifm-narrow-window) {
      padding: 0;
    }
  }

  &--fixed-top {
    position: sticky;
    top: 0;
    z-index: var(--ifm-z-index-fixed);
  }

  &__inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 100%;
  }

  &__brand {
    align-items: center;
    color: var(--ifm-navbar-link-color);
    display: flex;
    margin-right: 1rem;
    min-width: 0;

    &:hover {
      color: var(--ifm-navbar-link-hover-color);
      text-decoration: none;
    }
  }

  &__title {
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  &__toggle {
    display: none;
    margin-right: 0.5rem;

    @media (--ifm-narrow-window) {
      display: inherit;
    }
  }

  &__logo {
    flex: 0 0 auto;
    height: 2rem;
    margin-right: 0.5rem;

    img {
      height: 100%;
    }
  }

  &__items {
    align-items: center;
    display: flex;
    flex: 1;
    min-width: 0;

    &--center {
      flex: 0 0 auto;

      ^^&__brand {
        margin: 0;
      }

      + ^&--right {
        flex: 1;
      }
    }

    &--right {
      flex: 0 0 auto;
      justify-content: flex-end;

      > :last-child {
        padding-right: 0;
      }
    }
  }

  &__item {
    display: inline-block;
    padding: var(--ifm-navbar-item-padding-vertical)
      var(--ifm-navbar-item-padding-horizontal);

    &.dropdown {
      ^^&__link:not([href]) {
        pointer-events: none;
      }
    }

    @media (--ifm-narrow-window) {
      display: none;
    }
  }

  &__link {
    color: var(--ifm-navbar-link-color);
    font-weight: var(--ifm-font-weight-semibold);

    &:hover,
    &--active {
      color: var(--ifm-navbar-link-hover-color);
      text-decoration: none;
    }
  }

  &--dark,
  &--primary {
    --ifm-menu-color: var(--ifm-color-gray-300);
    --ifm-navbar-link-color: var(--ifm-color-gray-100);
    --ifm-navbar-search-input-background-color: rgba(255, 255, 255, 0.1);
    --ifm-navbar-search-input-placeholder-color: rgba(255, 255, 255, 0.5);

    color: var(--ifm-color-white);
  }

  &--dark {
    --ifm-navbar-background-color: #242526;
    --ifm-navbar-link-hover-color: var(--ifm-color-primary);
    --ifm-menu-color-background-active: rgba(255, 255, 255, 0.05);
    --ifm-navbar-search-input-color: var(--ifm-color-white);
  }

  &--primary {
    --ifm-navbar-background-color: var(--ifm-color-primary);
    --ifm-navbar-link-hover-color: var(--ifm-color-white);
    --ifm-menu-color-active: var(--ifm-color-white);
    --ifm-navbar-search-input-color: var(--ifm-color-emphasis-500);
  }

  &__search {
    &-input {
      appearance: none; /* Algolia will add type="search" to the input in Safari and Safari's styling will override the styling here. */
      background: var(--ifm-navbar-search-input-background-color)
        var(--ifm-navbar-search-input-icon) no-repeat 0.75rem center / 1rem 1rem;
      border: none;
      border-radius: 2rem;
      color: var(--ifm-navbar-search-input-color);
      cursor: text;
      display: inline-block;
      font-size: 0.9rem;
      height: 2rem;
      padding: 0 0.5rem 0 2.25rem;
      width: 12.5rem;

      &::placeholder {
        color: var(--ifm-navbar-search-input-placeholder-color);
      }

      @media (--ifm-narrow-window) {
        width: 9rem;
      }
    }
  }

  &-sidebar {
    background-color: var(--ifm-navbar-background-color);
    bottom: 0;
    box-shadow: var(--ifm-global-shadow-md);
    left: 0;
    opacity: 0;
    overflow-x: hidden;
    position: fixed;
    top: 0;
    transform: translate3d(-100%, 0, 0);
    visibility: hidden;
    width: var(--ifm-navbar-sidebar-width);
    @mixin transition opacity visibility transform, 250ms, ease-in-out;

    &--show {
      ^&,
      ^&__backdrop {
        opacity: 1;
        visibility: visible;
      }

      ^& {
        transform: translate3d(0, 0, 0);
      }
    }

    &__backdrop {
      background-color: rgba(0, 0, 0, 0.6);
      bottom: 0;
      left: 0;
      opacity: 0;
      position: fixed;
      right: 0;
      top: 0;
      visibility: hidden;
      @mixin transition opacity visibility, 100ms, ease-in-out;
    }

    &__brand {
      align-items: center;
      box-shadow: var(--ifm-navbar-shadow);
      display: flex;
      flex: 1;
      height: var(--ifm-navbar-height);
      padding: var(--ifm-navbar-padding-vertical)
        var(--ifm-navbar-padding-horizontal);
    }

    &__items {
      display: flex;
      height: calc(100% - var(--ifm-navbar-height));
      transform: translateZ(0);
      transition: transform var(--ifm-transition-fast) ease-in-out;

      &--show-secondary {
        transform: translate3d(
          calc((var(--ifm-navbar-sidebar-width)) * -1),
          0,
          0
        );
      }
    }

    &__item {
      flex-shrink: 0;
      padding: 0.5rem;
      width: calc(var(--ifm-navbar-sidebar-width));
    }

    &__back {
      background: var(--ifm-menu-color-background-active);
      font-size: 15px;
      font-weight: var(--ifm-button-font-weight);
      margin: 0 0 0.2rem -0.5rem;
      padding: 0.6rem 1.5rem;
      position: relative;
      text-align: left;
      top: -0.5rem;
      width: calc(100% + 1rem);
    }

    &__close {
      display: flex;
      margin-left: auto;
    }
  }
}