Overlay

Overlay foundation aligning visibility, click dismiss, layering, duration, and scroll lock.

Runtime ownership

useOverlayRoot and scroll-lock state come from @varo-ui/headless; target adapters perform real page locking.

Demo

Package@varo-ui/headless

Parts

Part	Role
OverlayRoot	Visibility, click dismiss, and scroll locking

State and events

• State：visible, defaultVisible, lockScroll, and closeOnClickOverlay
• Events：update:visible, visibleChange, close, and click.

Platform notes

H5 locks body; Weapp handles scrolling through page capabilities.