opencode/packages/ui/src/components/checkbox.css

[data-component="checkbox"] {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: default;

  [data-slot="checkbox-input"] {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }

  [data-slot="checkbox-control"] {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    padding: 2px;
    aspect-ratio: 1;
    flex-shrink: 0;
    border-radius: 4px;
    border: 1px solid var(--border-weak-base);
    /* background-color: var(--surface-weak); */
  }

  [data-slot="checkbox-indicator"] {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--icon-base);
    opacity: 0;
  }

  /* [data-slot="checkbox-content"] { */
  /* } */

  [data-slot="checkbox-label"] {
    user-select: none;
    color: var(--text-base);

    /* text-12-regular */
    font-family: var(--font-family-sans);
    font-size: var(--font-size-small);
    font-style: normal;
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-large); /* 166.667% */
    letter-spacing: var(--letter-spacing-normal);
  }

  [data-slot="checkbox-description"] {
    color: var(--text-base);
    font-family: var(--font-family-sans);
    font-size: 12px;
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    letter-spacing: var(--letter-spacing-normal);
  }

  [data-slot="checkbox-error"] {
    color: var(--text-error);
    font-family: var(--font-family-sans);
    font-size: 12px;
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    letter-spacing: var(--letter-spacing-normal);
  }

  &:hover:not([data-disabled], [data-readonly]) [data-slot="checkbox-control"] {
    border-color: var(--border-hover);
    background-color: var(--surface-hover);
  }

  &:focus-within:not([data-readonly]) [data-slot="checkbox-control"] {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 2px var(--surface-focus);
  }

  &[data-checked] [data-slot="checkbox-control"],
  &[data-indeterminate] [data-slot="checkbox-control"] {
    border-color: var(--border-base);
    background-color: var(--surface-weak);
  }

  &[data-checked]:hover:not([data-disabled], [data-readonly]) [data-slot="checkbox-control"],
  &[data-indeterminate]:hover:not([data-disabled]) [data-slot="checkbox-control"] {
    border-color: var(--border-hover);
    background-color: var(--surface-hover);
  }

  &[data-checked] [data-slot="checkbox-indicator"],
  &[data-indeterminate] [data-slot="checkbox-indicator"] {
    opacity: 1;
  }

  &[data-disabled] {
    cursor: not-allowed;
  }

  &[data-disabled] [data-slot="checkbox-control"] {
    border-color: var(--border-disabled);
    background-color: var(--surface-disabled);
  }

  &[data-invalid] [data-slot="checkbox-control"] {
    border-color: var(--border-error);
  }

  &[data-readonly] {
    cursor: default;
    pointer-events: none;
  }
}