.form-switch {
  --#{$prefix}form-switch-width: #{$form-switch-width};
  --#{$prefix}form-switch-padding-start: calc(#{$form-switch-padding-start} * -1);
  --#{$prefix}form-switch-bg: #{escape-svg($form-switch-bg-image)};
  --#{$prefix}form-switch-border-radius: #{$form-switch-border-radius};
  --#{$prefix}form-switch-focus-bg-image: #{escape-svg($form-switch-focus-bg-image)};
  --#{$prefix}form-switch-checked-bg-image: #{escape-svg($form-switch-checked-bg-image)};

  .form-check-input {
    width: var(--#{$prefix}form-switch-width);
    margin-left: var(--#{$prefix}form-switch-padding-start);
    border-radius: var(--#{$prefix}form-switch-border-radius);

    &:focus {
      --#{$prefix}form-switch-bg: var(--#{$prefix}form-switch-focus-bg-image);
    }

    &:checked {
      --#{$prefix}form-switch-bg: var(--#{$prefix}form-switch-checked-bg-image);
    }
  }

  .form-check-input.is-valid:not(:checked) {
    --#{$prefix}form-switch-bg: #{escape-svg($form-switch-valid-bg-image)};
  }

  .form-check-input.is-invalid:not(:checked) {
    --#{$prefix}form-switch-bg: #{escape-svg($form-switch-invalid-bg-image)};
  }
}