diff --git a/pos/static/js/pos.js b/pos/static/js/pos.js
index 9cf9755..f5528a3 100644
--- a/pos/static/js/pos.js
+++ b/pos/static/js/pos.js
@@ -242,6 +242,7 @@ const POS = (() => {
         if (existing) {
             existing.quantity += (item.quantity || 1);
             renderCart();
+            if (window.BarcodeFeedback) BarcodeFeedback.success();
             return;
         }
 
@@ -502,6 +503,19 @@ const POS = (() => {
 
             if (data.data.length === 0) {
                 container.innerHTML = '<div style="padding:20px;text-align:center;color:var(--color-text-muted);">Sin resultados</div>';
+                if (window.BarcodeFeedback) BarcodeFeedback.error();
+            } else if (data.data.length === 1 && q.length >= 8) {
+                // Auto-select single result on barcode scan (long codes)
+                const item = data.data[0];
+                let price = item.price_1;
+                if (currentCustomer) {
+                    const tier = currentCustomer.price_tier || 1;
+                    price = tier === 3 ? item.price_3 : tier === 2 ? item.price_2 : item.price_1;
+                }
+                addFromSearch(item, price);
+                input.value = '';
+                hideSearchResults();
+                return;
             } else {
                 let html = '';
                 data.data.forEach(item => {
@@ -542,6 +556,7 @@ const POS = (() => {
             price_2: item.price_2,
             price_3: item.price_3,
         });
+        if (window.BarcodeFeedback) BarcodeFeedback.success();
         hideSearchResults();
         document.getElementById('itemSearch').value = '';
         document.getElementById('itemSearch').focus();