amis/scss/components/form/_checks.scss

.#{$ns}Checkbox {
  margin: 0 $gap-sm 0 0;
  font-weight: $fontWeightNormal;
  user-select: none;

  input {
    opacity: 0;
    position: absolute;
  }

  &:hover input:not(:disabled) + i {
    border-color: $Checkbox-onHover-color;
    // box-shadow: 0 0 px2rem(1px) $Checkbox-onHover-color inset;
  }

  > i {
    cursor: pointer;
    line-height: 1;
    background: $Checkbox-gb;
    display: inline-block;
    vertical-align: middle;
    position: relative;

    + span {
      margin-left: $Checkbox-gap;
      cursor: pointer;

      > a {
        float: right;
        margin-left: px2rem(5px);
        display: none;
      }

      &:empty {
        display: none;
      }
    }

    &:before {
      content: '';
      position: absolute;
      left: 50%;
      top: 50%;
      width: 0px;
      height: 0px;
      background-color: transparent;
      transition: all 0.2s;
      transform-origin: 50% 50%;
      transform: translate(-50%, -50%);
    }
  }

  &:hover > i + span > a {
    display: inline-block;
  }

  &--checkbox {
    padding-left: $Checkbox-size;

    input {
      margin-left: -$Checkbox-size;

      &:checked + i {
        border-color: $Checkbox-onHover-color;

        &:before {
          width: $Checkbox-inner-size;
          height: $Checkbox-inner-size;
          background: $Checkbox-onHover-color;
        }
      }

      &[disabled] + i {
        border-color: lighten($Checkbox-color, 5%);
        cursor: not-allowed;

        &:before {
          background-color: lighten($Checkbox-color, 5%);
          border-color: $white;
        }
      }

      &[disabled] + i + span {
        cursor: not-allowed;
        color: $text--muted-color;
      }
    }

    > i {
      width: $Checkbox-size;
      height: $Checkbox-size;
      border: px2rem(1px) solid $Checkbox-color;
      border-radius: $Checkbox-borderRadius;
      margin-left: -$Checkbox-size;
      margin-top: px2rem(-3px);
    }
  }

  &--full.#{$ns}Checkbox--checkbox {
    &:not(:disabled) + i:hover {
      border-color: $Checkbox-color;
    }

    input {
      &:checked + i {
        border-color: $Checkbox-onHover-color;
        background: $Checkbox-onHover-color;

        &:before {
          width: $Checkbox--full-inner-size;
          height: $Checkbox--full-inner-size / 2;
          border-color: $white;
        }
      }

      // &[disabled] + i {
      //     border-color: lighten($Checkbox-color, 5%);

      //     &:before {
      //         background-color: lighten($Checkbox-color, 5%);
      //     }
      // }

      &:checked[disabled] + i {
        border-color: lighten($Checkbox-color, 5%);
        background-color: lighten($Checkbox-color, 5%);
      }
    }

    > i {
      position: relative;
      cursor: pointer;

      &:before {
        content: '';
        position: absolute;
        left: 50%;
        top: 50%;
        width: 0;
        height: 0;
        border-color: transparent;
        transition: width 0.2s, height 0.2s, transform 0.2s;
        border-width: 0 0 px2rem(2px) px2rem(2px);
        transform: translate(-50%, -60%) rotate(-40deg);
        border-style: solid;
      }
    }
  }

  &--radio {
    padding-left: $Radio-size;

    input {
      margin-left: -$Radio-size;

      &:checked + i {
        border-color: $Radio-onHover-color;

        &:before {
          width: $Radio-inner-size;
          height: $Radio-inner-size;
          background-color: $Radio-onHover-color;
          border-radius: 50%;
        }
      }

      &[disabled] + i {
        border-color: lighten($Radio-color, 5%);
        cursor: not-allowed;

        &:before {
          background-color: lighten($Radio-color, 5%);
        }
      }

      &[disabled] + i + span {
        cursor: not-allowed;
        color: $text--muted-color;
      }
    }

    > i {
      cursor: pointer;
      width: $Radio-size;
      height: $Radio-size;
      border: px2rem(1px) solid $Radio-color;
      margin-left: -$Radio-size;
      margin-top: px2rem(-2px);
      border-radius: 50%;
    }
  }

  &--sm {
    padding-left: $Checkbox--sm-size;

    input {
      margin-left: -$Checkbox--sm-size;

      &:checked + i {
        &:before {
          width: $Checkbox--sm-inner-size;
          height: $Checkbox--sm-inner-size;
        }
      }
    }

    > i {
      width: $Checkbox--sm-size;
      height: $Checkbox--sm-size;
      margin-left: -$Checkbox--sm-size;

      + span {
        margin-left: $gap-xs;
      }
    }
  }

  &--sm.#{$ns}Checkbox--full {
    input {
      &:checked + i {
        &:before {
          width: $Checkbox--sm--full-inner-size;
          height: $Checkbox--sm--full-inner-size / 2;
        }
      }
    }
  }

  &-desc {
    color: $text--muted-color;
    margin-left: $Checkbox-gap;
    margin-top: $gap-xs;
  }
}

.#{$ns}CheckboxControl,
.#{$ns}RadiosControl,
.#{$ns}CheckboxesControl {
  padding-top: ($Form-input-height - $Checkbox-size) / 2;
}

.#{$ns}RadiosControl,
.#{$ns}CheckboxesControl {
  .#{$ns}Checkbox {
    display: block;
    margin-bottom: $Form-label-paddingTop;
  }

  &.is-inline .#{$ns}Checkbox {
    display: inline-block;
    margin-right: $gap-md;
  }
}

.#{$ns}RadiosControl-group,
.#{$ns}CheckboxesControl-group {
  .#{$ns}RadiosControl-group,
  .#{$ns}CheckboxesControl-group {
    padding-left: px2rem(80px);
    @include clearfix();

    > .#{$ns}RadiosControl-groupLabel,
    > .#{$ns}CheckboxesControl-groupLabel {
      float: left;
      width: px2rem(80px);
      margin-left: px2rem(-80px);
    }
  }
}

.#{$ns}RadiosControl-groupLabel,
.#{$ns}CheckboxesControl-groupLabel {
  display: block;
}

.#{$ns}Checkboxes {
  &-addBtn {
    display: block;
    cursor: pointer;

    &:hover {
      text-decoration: none;
    }

    > svg {
      width: px2rem(14px);
      height: px2rem(14px);
      margin-right: $Checkbox-gap;
    }
  }
}