:host {
  /**
   * @prop --background: Background of the checkbox icon
   * @prop --border-color: Border color of the checkbox icon
   * @prop --border-radius: Border radius of the checkbox icon
   * @prop --border-width: Border width of the checkbox icon
   * @prop --border-style: Border style of the checkbox icon
   * @prop --size: Size of the checkbox icon
   * @prop --transition: Transition of the checkbox icon
   * @prop --background-checked: Background of the checkbox icon when checked
   * @prop --border-color-checked: Border color of the checkbox icon when checked
   * @prop --checkmark-color: Color of the checkbox checkmark when checked
   */
  --background-checked: var(--ion-color-primary, #3880ff);
  --border-color-checked: var(--ion-color-primary, #3880ff);
  --checkmark-color: var(--ion-color-primary-contrast, #fff);
  display: inline-block;
  position: relative;
  user-select: none; }

:host(.ion-color) {
  --background-checked: var(--ion-color-base);
  --border-color-checked: var(--ion-color-base);
  --checkmark-color: var(--ion-color-contrast); }

input {
  left: 0;
  top: 0;
  margin: 0;
  position: absolute;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  cursor: pointer;
  appearance: none;
  outline: none; }

.checkbox-icon {
  border-radius: var(--border-radius);
  position: relative;
  width: var(--size);
  height: var(--size);
  transition: var(--transition);
  border-width: var(--border-width);
  border-style: var(--border-style);
  border-color: var(--border-color);
  background: var(--background);
  contain: strict; }

.checkbox-inner {
  border-color: var(--checkmark-color);
  opacity: 0; }

:host(.checkbox-checked) .checkbox-icon {
  border-color: var(--border-color-checked);
  background: var(--background-checked); }

:host(.checkbox-checked) .checkbox-inner {
  opacity: 1; }

:host(.checkbox-disabled) {
  pointer-events: none; }

:host {
  --size: 24px;
  --border-radius: 50%;
  --border-width: 1px;
  --border-style: solid;
  --border-color: var(--ion-item-border-color, #c8c7cc);
  --background: var(--ion-item-background-color, var(--ion-background-color, #fff)); }

.checkbox-inner {
  left: calc(var(--size) / 2.5 - 1px);
  top: calc(var(--size) / 6);
  position: absolute;
  width: calc(var(--size) / 6 + 1px);
  height: calc(var(--size) / 2);
  transform: rotate(45deg);
  border-width: 1px;
  border-top-width: 0;
  border-left-width: 0;
  border-style: solid; }

:host(.checkbox-disabled) {
  opacity: 0.3; }

:host(.checkbox-key) .checkbox-icon::after {
  border-radius: 50%;
  left: -9px;
  top: -9px;
  display: block;
  position: absolute;
  width: 36px;
  height: 36px;
  background: var(--ion-color-primary-tint, #4c8dff);
  content: "";
  opacity: .2; }

:host(.in-item) {
  margin: 8px 16px 8px 2px;
  display: block;
  position: static; }

:host(.in-item[slot="end"]) {
  margin: 10px 8px 9px 0; }