.header {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  padding: 0 @header-padding;
  width: 100%;
  height: @header-hg;
  background-color: @header-bg;
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
  z-index: @zindex + 10;
  .logo {
    margin-left: -@header-padding;
    width: @aside-wd;
    transition: width 0.2s @layout-ease;
    a {
      display: block;
      text-align: center;
    }
    img {
      vertical-align: middle;
      max-width: 100%;
      animation: fadeIn 1s;
      &.collapsed {
        display: none;
      }
      &.expanded {
        display: inline;
      }
    }
  }
}

.top-nav-wrap {
  flex: 1;
  display: flex;
  justify-content: space-between;
}

.top-nav {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  > li {
    display: inline-block;
    vertical-align: middle;
  }
  .item {
    display: block;
    border-radius: 2px;
    text-align: center;
    line-height: 100%;
    padding: 8px 2px;
    min-width: 50px;
    transition: background-color 300ms;
    cursor: pointer;
    outline: none;
    &:hover {
      background-color: rgba(255, 255, 255, 0.2) !important;
    }
    i {
      font-size: 18px;
      line-height: 100%;
    }
  }
  .item,
  nz-badge {
    color: #fff !important;
  }
}

// Search
.header-search-mixin(@enabled) when(@enabled =true) {
  @header-search-prefix-cls: header-search;
  .@{header-search-prefix-cls} {
    flex: 1;
    margin: 0 @layout-gutter * 3;
    position: relative;
    display: flex;
    align-items: center;
    .ant-input {
      &:focus {
        box-shadow: none;
      }
    }
    .ant-input,
    .ant-input-group-addon {
      background-color: rgba(255, 255, 255, 0.2);
      color: #fff;
      border: none;
      &::-webkit-input-placeholder {
        color: #fff;
        opacity: 1;
      }
    }
    .ant-input-group-addon {
      i {
        transition: color 300ms, transform 400ms;
        font-size: 18px;
        color: #fff;
      }
    }
    &.@{header-search-prefix-cls}__focus {
      .ant-input,
      .ant-input-group-addon {
        background-color: #f3f3f3;
        color: @grey-8;
        &::placeholder {
          color: @grey-8;
          opacity: 1;
        }
      }
      .ant-input-group-addon {
        i {
          transform: rotate(180deg);
          color: @grey-8;
          &:before {
            content: '\E61B';
          }
        }
      }
    }
  }

  @media (min-width: @screen-sm) {
    .top-nav .@{header-search-prefix-cls}__btn {
      display: none;
    }
  }

  @media (max-width: @screen-sm) {
    .@{header-search-prefix-cls} {
      align-items: center;
      transition: transform 300ms;
      padding: 0 @header-padding;
      margin: 0;
      position: absolute;
      left: 0;
      top: 0;
      height: 100%;
      width: 100%;
      background-color: #fff;
      z-index: @zindex+20;
      &__toggled {
        display: flex;
      }
      &:not(&__toggled) {
        transform: translate3d(0, -105%, 0);
      }
    }
  }
}

.header-search-mixin(@header-search-enabled);
// Collapsed
.aside-collapsed {
  .header {
    .logo {
      width: @aside-collapsed-wd;
      img {
        &.collapsed {
          display: inline;
        }
        &.expanded {
          display: none;
        }
      }
    }
  }
}

// Desktop
// @media (min-width: @screen-sm) {}
// Under pad
@media (max-width: @screen-sm) {
  .header {
    .logo {
      width: @aside-collapsed-wd !important;
      img {
        &.collapsed {
          display: inline !important;
        }
        &.expanded {
          display: none !important;
        }
      }
    }
  }
}

// APP ICONS
.app-icons {
  padding: @layout-gutter * 2;
  .ant-col-6 {
    padding: (@layout-gutter * 2) 0;
    border-radius: 4px;
    text-align: center;
    transition: background-color 300ms;
    cursor: pointer;
    &:hover {
      background-color: #ececec;
    }
  }
  i {
    border-radius: 50%;
    font-size: 22px;
    padding: 15px;
  }
  small {
    font-size: 14px;
    padding-top: 4px;
    color: #9c9c9c;
    display: block;
  }
}