HBM/md-components

/**
 * http://www.google.com/design/spec/components/switches.html#switches-checkbox
 */

.mdc-Checkbox {
  /* for absolute positioned .mdc-Checkbox-focus div */
  position: relative;
  height: 48px;
  display: flex;
  align-items: center;

  &-icon {
    padding: 10px;
    padding-left: 0;
    line-height: 0;
    outline: 0;
    fill: rgba(0, 0, 0, 0.54);

    @include medium {
      padding: 5px;
      padding-left: 0;
    }
  }

  &-label {
    color: rgba(0, 0, 0, 0.54);
  }

  /**
   * focus
   */
  &-focus {
    position: absolute;

    /* 48px - 18px = 30px / 2 = 15px */
    top: 15px;
    left: 3px;

    /* use the same width as svg path element for checkbox icon */
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: none;
    transition: all 0.15s ease;
  }

  &-input {
    position: absolute;
    left: 0;
    opacity: 0;
    z-index: -1;

    /**
     * checked
     */
    &:checked ~ .mdc-Checkbox {
      &-icon,
      &-label {
        color: $blue-dark;
        fill: $blue-dark;
      }
    }

    &:checked.mdc-Checkbox-input--keyboard ~ .mdc-Checkbox-focus {
      box-shadow: 0 0 0 8px rgba($blue-dark, 0.12);
      background-color: rgba($blue-dark, 0.12);
      display: block;
    }

    &:not(:checked).mdc-Checkbox-input--keyboard ~ .mdc-Checkbox-focus {
      box-shadow: 0 0 0 8px rgba(0, 0, 0, 0.12);
      background-color: rgba(0, 0, 0, 0.12);
      display: block;
    }

    /**
    * disabled
    */
    &:disabled ~ .mdc-Checkbox {
      &-icon,
      &-label {
        fill: rgba(0, 0, 0, 0.26);
        color: rgba(0, 0, 0, 0.26);
      }
    }
  }
}