.checkbox {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  gap: var(--au-spacing-2);
}

.checkboxInput {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--au-border-medium);
  border-radius: var(--au-radius-sm);
  background-color: var(--au-surface);
  cursor: pointer;
  transition: all var(--au-transition-fast);
  flex-shrink: 0;
  position: relative;
}

.checkboxInput:hover:not(:disabled) {
  border-color: var(--au-primary);
}

.checkboxInput:checked {
  background-color: var(--au-primary);
  border-color: var(--au-primary);
}

.checkboxInput:checked::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
}

.checkboxInput:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.checkboxInput:focus-visible {
  outline: 2px solid var(--au-primary);
  outline-offset: 2px;
}

.checkboxLabel {
  font-size: var(--au-text-sm);
  color: var(--au-text-primary);
  user-select: none;
}

.checkbox:has(.checkboxInput:disabled) .checkboxLabel {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Variants */
.success .checkboxInput:checked {
  background-color: var(--au-success-600);
  border-color: var(--au-success-600);
}

.warning .checkboxInput:checked {
  background-color: var(--au-warning-600);
  border-color: var(--au-warning-600);
}

.danger .checkboxInput:checked {
  background-color: var(--au-danger-600);
  border-color: var(--au-danger-600);
}

.info .checkboxInput:checked {
  background-color: var(--au-info-600);
  border-color: var(--au-info-600);
}

/* Sizes */
.sm .checkboxInput {
  width: 16px;
  height: 16px;
}

.md .checkboxInput {
  width: 18px;
  height: 18px;
}

.lg .checkboxInput {
  width: 20px;
  height: 20px;
}