Bottom-right notifications. Severity color.
Stacking notifications anchored bottom-right. 4 severities (info / success / warn / error). Auto-dismiss after 4s; persists on hover. Wire `<ToastProvider>` at app root, fire with `useToast()`.
import { ToastProvider, useToast } from "@/components/ui/toast";
const toast = useToast();
toast.success("Saved");
toast.error("Could not save");components/ui/ folder. You own the code.