:host {
  --md-checkbox-background-color: transparent;
  --md-checkbox-border-color: var(--md-sys-color-on-surface-variant);
  --md-checkbox-active-state-color: color-mix(
    in oklch,
    transparent,
    var(--md-sys-color-on-surface) 12%
  );
  --md-checkbox-active-error-state-color: color-mix(
    in oklch,
    transparent,
    var(--md-sys-color-error) 12%
  );
  --md-checkbox-disabled-border-color: color-mix(
    in oklch,
    transparent,
    var(--md-sys-color-on-surface) 38%
  );
  --md-checkbox-disabled-checked-color: color-mix(
    in oklch,
    transparent,
    var(--md-sys-color-on-surface) 38%
  );

  --_container-color: var(--md-sys-color-primary);
  --_box-container-color: var(--md-checkbox-background-color);
  --_box-border-color: var(--md-checkbox-border-color);
}

:host {
  position: relative;
  border-radius: 9999rem;
  display: inline-flex;
  cursor: pointer;
  background-color: var(--_box-container-color);
  width: 1.125rem;
  height: 1.125rem;
  padding: calc(0.688rem);
}

:where(:focus-visible) .checkbox__input {
  --_box-container-color: color-mix(
    in oklch,
    transparent,
    var(--_container-color) 12%
  );
}

:host([error]:not([disabled])) {
  --_container-color: var(--md-sys-color-error);
}

.checkbox__input {
  border-radius: 9999rem;
  background-color: var(--_box-container-color);
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0px;
  box-sizing: border-box;
  outline: none;
  cursor: pointer;
  appearance: none;
  z-index: 2;
  margin: 0;
}

.checkbox__input:hover:not([disabled]) {
  --_box-container-color: color-mix(
    in oklch,
    transparent,
    var(--_container-color) 8%
  );
}

.checkbox__input_focused {
  --_box-container-color: color-mix(
    in oklch,
    transparent,
    var(--_container-color) 12%
  );
}

.checkbox__input:active:not([disabled]) {
  --_box-container-color: var(--md-checkbox-active-state-color);
}

.checkbox__box {
  display: flex;
  align-items: center;
  width: 100%;
  height: 100%;
  position: relative;
  inset: 0px;

  border-radius: 2px;
  overflow: hidden;
  background-color: var(--_box-container-color);
}

.checkbox__box::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 2px solid var(--_box-border-color);
}

.checkbox__box_checked,
.checkbox__box_indeterminate {
  --_box-border-color: transparent;
  --_box-container-color: var(--_container-color);
}

.checkbox__box_focused {
  --_box-border-color: var(--_container-color);
}

.checkbox__box svg {
  fill: white;
}

.checkbox__box_error:not(.checkbox__box_disabled) {
  --_box-border-color: var(--_container-color);
}

.checkbox__input:active:not([disabled]):where(.checkbox__input_error) {
  --_box-container-color: var(--md-checkbox-active-error-state-color);
}

.checkbox__box_disabled {
  --_box-container-color: transparent;
  --_box-border-color: var(--md-checkbox-disabled-border-color);
  cursor: not-allowed;
}

.checkbox__ripple {
  --md-ripple-pressed-color: var(--_container-color);
}

:host([disabled]) .checkbox__ripple {
  display: none;
}

.checkbox__box_disabled:where(
  .checkbox__box_checked,
  .checkbox__box_indeterminate
) {
  --_box-container-color: var(--md-checkbox-disabled-checked-color);
  --_box-border-color: transparent;
}