fix: maximum height shopping cart

public/main/index.html

@@ -170,7 +170,7 @@
         <h3 class="text-lg font-bold text-[#101419]">Tu pedido</h3>
       </header>
 
-      <div id="cartItems" class="flex-1 overflow-y-auto p-4 space-y-2"></div>
+      <div id="cartItems" class="flex-1 overflow-y-auto p-4 space-y-2 max-h-[25vh]"></div>
       <p id="emptyCartText" class="hidden text-center text-gray-400 mt-4">Tu carrito está vacío.</p>
 
       <footer class="p-4 border-t border-gray-200 space-y-3">