Classes list

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

ClassPurpose
.side-sheetBase wrapper — required
.side-sheet-panelThe sliding/inline panel surface
.side-sheet-scrimDimmed backdrop (modal mode only) — pair with .action-close
.side-sheet-header / .side-sheet-titleTitle row and heading text
.side-sheet-closeClose button, pair with .action-close
.side-sheet-contentScrollable body content
.side-sheet-modal / .side-sheet-standardOverlay-with-scrim vs. in-flow mode — required, no default
.side-sheet-start / .side-sheet-endWhich viewport edge the panel is anchored to — required, no default
.is-open / .is-closedRuntime state — meaning depends on mode (modal: resting=hidden; standard: resting=visible)