Zastosowanie wszystkich poprawek UI i logiki kalkulatora

lib/utils.ts

@@ -0,0 +1,15 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}
+
+export function formatCurrency(amount: number): string {
+  return new Intl.NumberFormat('pl-PL', {
+    style: 'currency',
+    currency: 'PLN',
+    minimumFractionDigits: 0,
+    maximumFractionDigits: 2,
+  }).format(amount);
+}