AdminLTE/build/scss/mixins/_custom-forms.scss

//
// Mixins: Custom Forms
//

// Custom Switch Variant
@mixin custom-switch-variant($name, $color) {
  &.custom-switch-off-#{$name} {
    & .custom-control-input ~ .custom-control-label::before {
      background-color: #{$color};
      border-color: darken($color, 20%);
    }

    & .custom-control-input:focus ~ .custom-control-label::before {
      box-shadow: 0 0 0 1px $body-bg, 0 0 0 2px rgba($color, .25);
    }

    & .custom-control-input ~ .custom-control-label::after {
      background-color: darken($color, 25%);
    }
  }

  &.custom-switch-on-#{$name} {
    & .custom-control-input:checked ~ .custom-control-label::before {
      background-color: #{$color};
      border-color: darken($color, 20%);
    }

    & .custom-control-input:checked:focus ~ .custom-control-label::before {
      box-shadow: 0 0 0 1px $body-bg, 0 0 0 2px rgba($color, .25);
    }

    & .custom-control-input:checked ~ .custom-control-label::after {
      background-color: lighten($color, 30%);
    }
  }
}

// Custom Range Variant
@mixin custom-range-variant($name, $color) {
  &.custom-range-#{$name} {
    &:focus {
      outline: none;

      &::-webkit-slider-thumb {
        box-shadow: 0 0 0 1px $body-bg, 0 0 0 2px rgba($color, .25);
      }

      &::-moz-range-thumb     {
        box-shadow: 0 0 0 1px $body-bg, 0 0 0 2px rgba($color, .25);
      }

      &::-ms-thumb            {
        box-shadow: 0 0 0 1px $body-bg, 0 0 0 2px rgba($color, .25);
      }
    }

    &::-webkit-slider-thumb {
      background-color: $color;

      &:active {
        background-color: lighten($color, 35%);
      }
    }

    &::-moz-range-thumb {
      background-color: $color;

      &:active {
        background-color: lighten($color, 35%);
      }
    }

    &::-ms-thumb {
      background-color: $color;

      &:active {
        background-color: lighten($color, 35%);
      }
    }
  }
}


// Custom Control Input Variant
@mixin custom-control-input-variant($name, $color) {
  $custom-control-indicator-checked-color: $color;
  $custom-checkbox-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-indicator-checked-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23");
  $custom-radio-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-indicator-checked-color}'/%3E%3C/svg%3E"), "#", "%23");

  .custom-control-input-#{$name} {
    &:checked ~ .custom-control-label::before {
      border-color: $color;
      @include gradient-bg($color);
    }

    &.custom-control-input-outline:checked {
      &[type="checkbox"] ~ .custom-control-label::after {
        background-image: $custom-checkbox-indicator-icon-checked !important;
      }
      &[type="radio"] ~ .custom-control-label::after {
        background-image: $custom-radio-indicator-icon-checked !important;
      }
    }

    &:focus ~ .custom-control-label::before {
      // the mixin is not used here to make sure there is feedback
      @if $enable-shadows {
        box-shadow: $input-box-shadow, 0 0 0 $input-btn-focus-width rgba($color, .25);
      } @else {
        box-shadow: 0 0 0 $input-btn-focus-width rgba($color, .25);
      }
    }

    &:focus:not(:checked) ~ .custom-control-label::before {
      border-color: lighten($color, 25%);
    }

    &:not(:disabled):active ~ .custom-control-label::before {
      background-color: lighten($color, 35%);
      border-color: lighten($color, 35%);
    }
  }
}