Radio: Alternate

// stylelint-disable max-nesting-depth,no-descending-specificity,selector-max-specificity

$radio__size: rem(24);
$radio__border-size: rem(2);
$radio__label-size: rem(42);
$radio__label-padding: ($radio__label-size - $radio__size) / 2;

$radio__knuble-size: $radio__size - (5 * $radio__border-size);
$radio__knuble-distance: $radio__label-padding + (($radio__size - $radio__knuble-size) / 2);

$radio--alternate-color: $color__bright;

.radio {
  display: inline-block;
  position: relative;
}

.radio__input {
  position: absolute;
  overflow: hidden;
  width: rem(1);
  height: rem(1);
  padding: 0;
  margin: rem(-1);
  border: 0;
  clip: rect(0 0 0 0);

  &:focus {
    + .radio__label::before {
      color: $color__accent--dark;
      border-color: currentColor;
    }
  }
}

.radio__label {
  position: relative;
  vertical-align: top;
  padding: $radio__label-padding $radio__label-padding $radio__label-padding $radio__label-size;
  margin-bottom: 0;
  font-size: rem(18);
  text-transform: none;

  &::before,
  &::after {
    display: block;
    top: ($radio__label-size - $radio__size) / 2;
    left: ($radio__label-size - $radio__size) / 2;
    border-radius: $border-radius--round;
  }

  &::before {
    content: '';
    display: block;
    width: $radio__size;
    height: $radio__size;
    position: absolute;
    border: $radio__border-size solid $color__accent--dark;
    background-color: $color__bright;
  }

  &::after {
    content: '';
    display: inline-block;
    position: absolute;
    background-color: transparent;
    width: $radio__knuble-size;
    height: $radio__knuble-size;
    left: $radio__knuble-distance;
    top: $radio__knuble-distance;
    transition: background-color 0.1s ease;
  }

  &:hover {
    &::before {
      color: $color__accent--dark;
      border-color: $color__dark;
    }
  }
}

// STATE checked
.radio__input {
  &:checked,
  &:checked:hover {
    + .radio__label {
      color: $color__dark;

      &::before {
        color: $color__dark;
        border-color: currentColor;
      }

      &::after {
        background-color: $color__brand--one;
        transition: background-color 0.1s ease;
      }
    }
  }
}

// --------------------------
// STATES
// --------------------------
.radio--alternate {
  .radio__label {
    color: $radio--alternate-color;

    &::before {
      border-color: $radio--alternate-color;
      background-color: transparent;
    }

    &:hover {
      &::before {
        color: $radio--alternate-color;
      }
    }
  }

  // STATE CHECKED
  .radio__input {
    &:checked,
    &:checked:hover {
      + .radio__label {
        color: $radio--alternate-color;

        &::before {
          background-color: $radio--alternate-color;
        }

        &::after {
          border-color: $color__brand--one;
        }
      }
    }
  }
}

// --------------------------
// IE8 Fallback
// --------------------------
.lt-ie9 {
  .radio__input {
    position: inherit;
    overflow: visible;
    width: 20px;
    height: 20px;
    padding: inherit;
    margin: inherit;
    border: inherit;
    clip: auto;

    + label {
      padding: 0;

      i {
        display: none;
      }
    }
  }
}

// stylelint-enable max-nesting-depth,no-descending-specificity,selector-max-specificity