@{alain-default-prefix} {
  &__header {
    z-index: @alain-default-zindex + 10;
    display: flex;
    align-items: center;
    width: 100%;
    height: @alain-default-header-hg;
    padding: 0 @alain-default-header-padding;
    background-color: @alain-default-header-bg;
    box-shadow: @alain-default-header-box-shadow;

    &-logo {
      width: @alain-default-aside-wd;
      margin-left: -@alain-default-header-padding;
      transition: width 0.2s @alain-default-ease;

      &-link {
        display: block;
        text-align: center;
      }

      &-expanded,
      &-collapsed {
        max-width: 100%;
        max-height: @alain-default-header-logo-max-height;
        vertical-align: middle;
        animation: fadeIn 1s;
      }

      &-collapsed {
        display: none;
      }

      &-expanded {
        display: inline-block;
      }
    }
  }

  &__nav {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;

    &:first-child {
      margin-right: 16px;
    }

    &-middle {
      flex: 1;
    }

    &-wrap {
      display: flex;
      flex: 1;
      justify-content: space-between;
    }

    > li {
      display: inline-block;
      vertical-align: middle;
    }

    &-item,
    nz-badge {
      color: #fff;
    }

    &-item {
      cursor: pointer;
      display: block;
      min-width: 50px;
      padding: 8px 2px;
      border-radius: 2px;
      line-height: 100%;
      text-align: center;
      outline: none;
      transition: background-color 300ms;

      &:hover {
        color: #fff;
        background-color: @alain-default-header-nav-bg-hover;
      }

      > .anticon,
      &-icon {
        // fix ant-dropdown-trigger
        transform: none !important;
        font-size: @alain-default-header-icon-fs !important;
      }
    }
  }

  &__top-menu-item {
    display: flex;
    align-items: center;
    height: @alain-default-header-hg;
    padding: @alain-default-header-top-menu-item-padding;
    border-radius: 0;

    &-selected {
      color: #fff;
      background-color: @alain-default-header-nav-bg-hover;
    }

    &-disabled {
      pointer-events: none;
      opacity: 0.5;
    }
  }
}

// Search
.header-search-mixin(@enabled) when(@enabled =true) {
  @{alain-default-prefix}__search {
    position: relative;
    display: flex;
    flex: 1;
    align-items: center;
    margin: 0 @layout-gutter * 3;
    .@{ant-prefix}-input {
      padding-left: 0;

      &:focus {
        box-shadow: none;
      }
    }
    .@{ant-prefix}-input,
    .@{ant-prefix}-input-group-addon,
    .@{ant-prefix}-input-affix-wrapper {
      border: none;
      color: #fff;
      background-color: rgb(255 255 255 / 0.2);

      &::placeholder {
        color: #fff;
        opacity: 1;
      }
    }
    .@{ant-prefix}-input-affix-wrapper {
      .@{ant-prefix}-input {
        background-color: transparent;
      }
    }
    .@{ant-prefix}-input-group-addon,
    .@{ant-prefix}-input-affix-wrapper {
      .anticon {
        color: #fff;
        transition:
          color 300ms,
          transform 400ms;
      }
    }

    &-focus {
      .@{ant-prefix}-input,
      .@{ant-prefix}-input-group-addon,
      .@{ant-prefix}-input-affix-wrapper {
        color: @grey-8;
        background-color: #f3f3f3;

        &::placeholder {
          color: @grey-8;
          opacity: 1;
        }
      }
      .@{ant-prefix}-input-group-addon,
      .@{ant-prefix}-input-affix-wrapper {
        .anticon {
          transform: rotate(90deg);
          color: @grey-8;
        }
      }
    }
  }

  @media (max-width: @mobile-max) {
    @{alain-default-prefix}__search {
      position: absolute;
      z-index: @zindex+20;
      top: 0;
      left: 0;
      align-items: center;
      width: 100%;
      height: 100%;
      margin: 0;
      padding: 0 @alain-default-header-padding;
      background-color: #fff;
      transition: transform 300ms;

      &-toggled {
        display: flex;
      }

      &:not(&-toggled) {
        transform: translate3d(0, -105%, 0);
      }
    }
  }
}

.header-search-mixin(@alain-default-header-search-enabled);

// Collapsed
@{alain-default-prefix}__collapsed {
  @{alain-default-prefix}__header {
    &-logo {
      width: @alain-default-aside-collapsed-wd;

      &-collapsed {
        display: inline-block;
      }

      &-expanded {
        display: none;
      }
    }
  }
}

// Desktop
// @media (min-width: @mobile-min) {}
// Under pad
@media (max-width: @mobile-max) {
  @{alain-default-prefix}__header {
    &-logo {
      width: @alain-default-aside-collapsed-wd;

      &-collapsed {
        display: inline;
      }

      &-expanded {
        display: none;
      }
    }
  }
}

.layout-default-header-rtl-mixin(@enabled) when(@enabled=true) {
  [dir='rtl'] {
    @{alain-default-prefix} {
      &__header {
        &-logo {
          margin-right: -@alain-default-header-padding;
          margin-left: 0;
        }
      }
    }
  }
}
.layout-default-header-rtl-mixin(@rtl-enabled);