Side panels and bottom sheets — the modal's less disruptive sibling, and the default container for filters and detail views.
Also appears as: Drawer · Sheet · FilterDrawer · Side panel
Modal presentation with detents (medium, large, custom), drag dismissal, and grabber affordance — the iOS interaction primitive.
Read the Apple Human Interface Guidelines breakdownMobile-first refinement surface with stacked filter groups, applied-chip review, and sticky apply.
Read the eBay Evo breakdownSlide-in side panel for detail views, contextual editing, and async results — Kubernetes management grade.
Read the PatternFly breakdown