vkorobtsev-nextJs/app/(root)/loading.jsx

export default function Loading() {
	return (
		<div className="fixed top-0 left-0 flex justify-center items-center h-screen w-screen bg-gray-300 z-[999]">
			<h1 className="text-4xl text-gray-900">Загрузка...</h1>
		</div>
	);
}