/* -- Checkbox component ----------------------------------------- */

@layer components {
  .checkbox {
    appearance: none;
    width: 1.125rem;
    height: 1.125rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--background);
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    transition: background-color 150ms, border-color 150ms;

    &:checked {
      background-color: var(--primary);
      border-color: var(--primary);

      &::after {
        content: '';
        position: absolute;
        left: 50%;
        top: 45%;
        width: 6px;
        height: 10px;
        border: solid var(--primary-foreground);
        border-width: 0 2px 2px 0;
        transform: translate(-50%, -50%) rotate(45deg);
      }
    }

    &:indeterminate {
      background-color: var(--primary);
      border-color: var(--primary);

      &::after {
        content: '';
        position: absolute;
        left: 50%;
        top: 50%;
        width: 10px;
        height: 2px;
        background: var(--primary-foreground);
        transform: translate(-50%, -50%);
      }
    }

    &:focus-visible {
      outline: 2px solid var(--ring);
      outline-offset: 2px;
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    &:is([aria-invalid="true"], :user-invalid) {
      border-color: var(--destructive);
    }
  }

  /* -- Checkbox item layout --------------------------------- */
  .checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;

    & > label {
      font-size: 0.875rem;
      cursor: pointer;
    }
  }

  .checkbox-item-block {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;

    & > label {
      font-size: 0.875rem;
      cursor: pointer;
    }

    & > .checkbox {
      margin-top: 0.125rem;
    }
  }

  /* Disabled auto-styling */
  .checkbox-item:has(.checkbox:disabled),
  .checkbox-item-block:has(.checkbox:disabled) {
    opacity: 0.5;
    cursor: not-allowed;
  }

  /* -- Accessibility ---------------------------------------- */
  @media (prefers-reduced-motion: reduce) {
    .checkbox {
      transition: none;
    }
  }

  @media (prefers-contrast: more) {
    .checkbox {
      border-width: 2px;
    }

    .checkbox:disabled {
      opacity: 0.7;
    }
  }

  @media (forced-colors: active) {
    .checkbox {
      appearance: auto;
    }
  }
}