updated ui elements

app/(content)/layout.tsx

app/page.tsx

components/header.tsx

components/logo.tsx

components/nav-header.tsx

components/nav-sidebar.tsx

components/ui/alert-dialog.tsx

components/ui/alert.tsx

components/ui/button.tsx

components/ui/card.tsx

components/ui/dialog.tsx

components/ui/dropdown-menu.tsx

components/ui/form.tsx

components/ui/hover-card.tsx

components/ui/input.tsx

components/ui/select.tsx

components/ui/toast.tsx

components/user-nav.tsx

package-lock.json

package.json