diff --git a/services/dataProcessor.ts b/services/dataProcessor.ts
index ccff8e1..6a59e7e 100644
--- a/services/dataProcessor.ts
+++ b/services/dataProcessor.ts
@@ -325,17 +325,17 @@ export const validateSellOutHeaders = (headers: string[]) => {
     const hasYear = normHeaders.includes('year') || hasDateCol;
     const hasTime = normHeaders.includes('month') || normHeaders.includes('week') || hasDateCol;
     const hasCustomerRef = normHeaders.includes('customer reference') || normHeaders.includes('asin');
-    const hasEan = normHeaders.includes('ean');
-    const hasUnits = normHeaders.includes('units');
-    const hasAmount = normHeaders.includes('amount_eur') || normHeaders.includes('amount');
+    const hasEan = normHeaders.includes('ean') || normHeaders.includes('isbn');
+    const hasUnits = normHeaders.includes('units') || normHeaders.includes('qty') || normHeaders.includes('cantidad');
+    const hasAmount = ['amount_eur', 'amount', 'sell out', 'sellout', 'revenue', 'sales', 'valor'].some(a => normHeaders.includes(a));
 
     const missing = [];
     if (!hasYear) missing.push('YEAR');
     if (!hasTime) missing.push('MONTH or WEEK');
-    if (!hasCustomerRef) missing.push('CUSTOMER REFERENCE');
-    if (!hasEan) missing.push('EAN');
+    if (!hasCustomerRef) missing.push('CUSTOMER REFERENCE / ASIN');
+    // EAN is optional now to prevent crashes with different report formats
     if (!hasUnits) missing.push('UNITS');
-    if (!hasAmount) missing.push('AMOUNT_EUR');
+    if (!hasAmount) missing.push('AMOUNT / SALES');
 
     if (missing.length > 0) {
         throw new Error(`Invalid or missing critical columns in Sell-Out Report. Missing: ${missing.join(', ')}`);
@@ -1057,7 +1057,7 @@ export const filterAdsData = (
 
         // Country/Customer match (ads use 'country', sales use 'customer')
         const countryMatch = filters.customer.length === 0
-            ? PAN_EU_COUNTRIES.some(c => c.toUpperCase() === ad.country.toUpperCase())
+            ? true // Show all countries by default
             : filters.customer.some(c => c.toUpperCase() === ad.country.toUpperCase());
 
         // Year match
@@ -1162,7 +1162,7 @@ export const filterData = (
 
         // 2. Filter Checks
         const customerMatch = filters.customer.length === 0
-            ? (PAN_EU_COUNTRIES.includes(item.customer) || item.customer === 'Pan-EU')
+            ? true // When no filter is selected, show EVERYTHING by default
             : filters.customer.includes(item.customer);
         const yearMatch = filters.year.length === 0 || filters.year.includes(item.year.toString());