Independent Boolean choice and bounded bulk selection.
System role
Tier-0 design-system foundation used by dynamic projections.
Rendered component states
Use
unchecked is selected by contract metadata, responsive context or explicit recipe configuration for Checkbox.
Motion
Static by default; local state changes use a short 240ms opacity/transform transition when helpful.
Accessibility
Meaning remains in text, focus order and semantic state; never colour or motion alone.
Use
checked is selected by contract metadata, responsive context or explicit recipe configuration for Checkbox.
Motion
Static by default; local state changes use a short 240ms opacity/transform transition when helpful.
Accessibility
Meaning remains in text, focus order and semantic state; never colour or motion alone.
Use
indeterminate is selected by contract metadata, responsive context or explicit recipe configuration for Checkbox.
Motion
Static by default; local state changes use a short 240ms opacity/transform transition when helpful.
Accessibility
Meaning remains in text, focus order and semantic state; never colour or motion alone.
Use
error is selected by contract metadata, responsive context or explicit recipe configuration for Checkbox.
Motion
Static by default; local state changes use a short 240ms opacity/transform transition when helpful.
Accessibility
Meaning remains in text, focus order and semantic state; never colour or motion alone.
Use
disabled is selected by contract metadata, responsive context or explicit recipe configuration for Checkbox.
Motion
Static by default; local state changes use a short 240ms opacity/transform transition when helpful.
Accessibility
Meaning remains in text, focus order and semantic state; never colour or motion alone.