style: unify filter UI, add custom to-from date picker, and ensure all buttons use pointer cursors

src/components/Layout.tsx

@@ -117,7 +117,7 @@ const Layout = () => {
         <div className="p-4 border-t border-dark-border">
           <button
             onClick={logout}
-            className={`w-full flex items-center text-red-500 hover:bg-red-500/10 px-4 py-3 rounded-xl transition-all ${isSidebarCollapsed ? 'justify-center' : 'space-x-3'}`}
+            className={`w-full flex items-center text-red-500 hover:bg-red-500/10 px-4 py-3 rounded-xl transition-all cursor-pointer ${isSidebarCollapsed ? 'justify-center' : 'space-x-3'}`}
           >
             <LogOut className="w-5 h-5 shrink-0" />
             {!isSidebarCollapsed && <span className="font-medium">Sair</span>}