Getting StartedInstall and bootstrap headless foundations 4
LayoutHeadless structural primitives for expandable and container patterns 6
OverlayHeadless modal and floating layer behavior 3
FeedbackHeadless notification and status communication patterns 5
FormHeadless input and selection contracts 17
UtilityReusable action, identity, and clipboard behavior 6
NavigationHeadless trails, trees, menus, and command surfaces 7

Single-select density

Use single-select groups when only one layout mode can be active at a time.

Density controls (Plain-CSS)

Editor density

Multi-select formatting

Multiple groups are a good fit for style toolbars and independent feature filters.

Formatting toolbar (Plain-CSS)

active: bold

Disabled toolbar

Disabled groups should keep their layout while clearly muting interaction.

Disabled toolbar (Plain-CSS)