Classes list

Every class Bottom sheet recognizes, straight from the @flickui/css source.

ClassPurpose
.bottom-sheetBase wrapper — required; starts with .is-closed in markup
.bottom-sheet-scrimDimmed backdrop — click to close (pair with .action-close)
.bottom-sheet-panelThe sliding panel surface
.bottom-sheet-handleSmall drag-indicator bar at the top of the panel
.bottom-sheet-header / .bottom-sheet-contentTitle area and scrollable body content
.toggle-targetBehavior hook on an external trigger, aria-controls pointing at this sheet's id
.action-closeBehavior hook — closes the sheet (scrim and/or a close button)
.is-open / .is-closedRuntime state, set by flickui.js