ant-design/components/popover/style/index.less

@import '../../style/themes/index';
@import '../../style/mixins/index';

@popover-prefix-cls: ~'@{ant-prefix}-popover';

@popover-arrow-rotate-width: sqrt(@popover-arrow-width * @popover-arrow-width * 2);

@popover-arrow-offset-vertical: 12px;
@popover-arrow-offset-horizontal: 16px;

.@{popover-prefix-cls} {
  .reset-component();

  position: absolute;
  top: 0;
  left: 0;
  z-index: @zindex-popover;
  font-weight: normal;
  white-space: normal;
  text-align: left;
  cursor: auto;
  user-select: text;

  &::after {
    position: absolute;
    background: fade(@white, 1%);
    content: '';
  }

  &-hidden {
    display: none;
  }

  // Offset the popover to account for the popover arrow
  &-placement-top,
  &-placement-topLeft,
  &-placement-topRight {
    padding-bottom: @popover-distance;
  }

  &-placement-right,
  &-placement-rightTop,
  &-placement-rightBottom {
    padding-left: @popover-distance;
  }

  &-placement-bottom,
  &-placement-bottomLeft,
  &-placement-bottomRight {
    padding-top: @popover-distance;
  }

  &-placement-left,
  &-placement-leftTop,
  &-placement-leftBottom {
    padding-right: @popover-distance;
  }

  &-inner {
    background-color: @popover-bg;
    background-clip: padding-box;
    border-radius: @border-radius-base;
    box-shadow: @box-shadow-base;
    box-shadow: ~'0 0 8px @{shadow-color} \9';
  }

  @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    /* IE10+ */
    &-inner {
      box-shadow: @box-shadow-base;
    }
  }

  &-title {
    min-width: @popover-min-width;
    min-height: @popover-min-height;
    margin: 0; // reset heading margin
    padding: 5px @popover-padding-horizontal 4px;
    color: @heading-color;
    font-weight: 500;
    border-bottom: 1px solid @border-color-split;
  }

  &-inner-content {
    padding: @padding-sm @popover-padding-horizontal;
    color: @popover-color;
  }

  &-message {
    position: relative;
    padding: 4px 0 12px;
    color: @popover-color;
    font-size: @font-size-base;
    > .@{iconfont-css-prefix} {
      position: absolute;
      top: (
        4px + ((@line-height-base * @font-size-base - @font-size-base) / 2)
      ); // 4px for padding-top, 4px for vertical middle
      color: @warning-color;
      font-size: @font-size-base;
    }

    &-title {
      padding-left: @font-size-base + 8px;
    }
  }

  &-buttons {
    margin-bottom: 4px;
    text-align: right;

    button {
      margin-left: 8px;
    }
  }

  // Arrows
  &-arrow {
    position: absolute;
    display: block;
    width: @popover-arrow-rotate-width;
    height: @popover-arrow-rotate-width;
    overflow: hidden;
    background: transparent;
    pointer-events: none;

    &-content {
      position: absolute;
      top: 0;
      right: 0;
      bottom: 0;
      left: 0;
      display: block;
      width: @popover-arrow-width;
      height: @popover-arrow-width;
      margin: auto;
      background-color: @popover-bg;
      content: '';
      pointer-events: auto;
    }
  }

  &-placement-top &-arrow,
  &-placement-topLeft &-arrow,
  &-placement-topRight &-arrow {
    bottom: @popover-distance - @popover-arrow-rotate-width;

    &-content {
      box-shadow: 3px 3px 7px fade(@black, 7%);
      transform: translateY((-@popover-arrow-rotate-width / 2)) rotate(45deg);
    }
  }

  &-placement-top &-arrow {
    left: 50%;
    transform: translateX(-50%);
  }

  &-placement-topLeft &-arrow {
    left: @popover-arrow-offset-horizontal;
  }

  &-placement-topRight &-arrow {
    right: @popover-arrow-offset-horizontal;
  }

  &-placement-right &-arrow,
  &-placement-rightTop &-arrow,
  &-placement-rightBottom &-arrow {
    left: @popover-distance - @popover-arrow-rotate-width;

    &-content {
      box-shadow: -3px 3px 7px fade(@black, 7%);
      transform: translateX((@popover-arrow-rotate-width / 2)) rotate(45deg);
    }
  }

  &-placement-right &-arrow {
    top: 50%;
    transform: translateY(-50%);
  }

  &-placement-rightTop &-arrow {
    top: @popover-arrow-offset-vertical;
  }

  &-placement-rightBottom &-arrow {
    bottom: @popover-arrow-offset-vertical;
  }

  &-placement-bottom &-arrow,
  &-placement-bottomLeft &-arrow,
  &-placement-bottomRight &-arrow {
    top: @popover-distance - @popover-arrow-rotate-width;

    &-content {
      box-shadow: -2px -2px 5px fade(@black, 6%);
      transform: translateY((@popover-arrow-rotate-width / 2)) rotate(45deg);
    }
  }

  &-placement-bottom &-arrow {
    left: 50%;
    transform: translateX(-50%);
  }

  &-placement-bottomLeft &-arrow {
    left: @popover-arrow-offset-horizontal;
  }

  &-placement-bottomRight &-arrow {
    right: @popover-arrow-offset-horizontal;
  }

  &-placement-left &-arrow,
  &-placement-leftTop &-arrow,
  &-placement-leftBottom &-arrow {
    right: @popover-distance - @popover-arrow-rotate-width;

    &-content {
      box-shadow: 3px -3px 7px fade(@black, 7%);
      transform: translateX((-@popover-arrow-rotate-width / 2)) rotate(45deg);
    }
  }

  &-placement-left &-arrow {
    top: 50%;
    transform: translateY(-50%);
  }

  &-placement-leftTop &-arrow {
    top: @popover-arrow-offset-vertical;
  }

  &-placement-leftBottom &-arrow {
    bottom: @popover-arrow-offset-vertical;
  }
}

.generator-popover-preset-color(@i: length(@preset-colors)) when (@i > 0) {
  .generator-popover-preset-color(@i - 1);
  @color: extract(@preset-colors, @i);
  @lightColor: '@{color}-6';
  .@{popover-prefix-cls}-@{color} {
    .@{popover-prefix-cls}-inner {
      background-color: @@lightColor;
    }
    .@{popover-prefix-cls}-arrow {
      &-content {
        background-color: @@lightColor;
      }
    }
  }
}
.generator-popover-preset-color();

@import './rtl';