diff --git a/services/dataProcessor.ts b/services/dataProcessor.ts
index 921c2e6..f1bae35 100644
--- a/services/dataProcessor.ts
+++ b/services/dataProcessor.ts
@@ -2208,16 +2208,24 @@ export const processBuyBoxExcel = async (fileOrBuffer: File | ArrayBuffer): Prom
 
             const asinIdx = headers.findIndex(h => {
                 const s = String(h || '').toUpperCase().trim();
-                return s === 'ASIN' || s.includes('AMAZON ASIN') || s.includes('IDENTIFIER') || s.includes('PRODUCT ID') || s.includes('SKU');
+                return s === 'ASIN' || s.includes('AMAZON ASIN') || s.includes('CHILD ASIN') || s.includes('IDENTIFIER') || s.includes('PRODUCT ID') || s.includes('SKU');
             });
             const finalAsinIdx = asinIdx !== -1 ? asinIdx : 1; // Default to Col B if not found
 
             // Dynamically find the "Issue Type" or "Reason" column
             let reasonIdx = headers.findIndex(h => {
                 const s = String(h || '').toUpperCase();
-                return s.includes('ISSUE TYPE') || s.includes('REASON') || s.includes('BUY BOX STATUS') || s.includes('LBB REASON') || s.includes('ESTADO BB') || s.includes('COMENTARIO') || s.includes('MOTIVO') || s.includes('CAUSA');
+                return s.includes('ISSUE TYPE') || s.includes('REASON') || s.includes('BUY BOX STATUS') || s.includes('LBB REASON') || s.includes('ESTADO BB') || s.includes('COMENTARIO') || s.includes('MOTIVO') || s.includes('CAUSA') || s.includes('OBSERVACIONES') || s.includes('DETALLES') || s.includes('JUSTIFICACIÓN') || s.includes('SITUACIÓN') || s.includes('STATUS');
             });
 
+            // If still not found, check for exact matches of common Spanish headers
+            if (reasonIdx === -1) {
+                reasonIdx = headers.findIndex(h => {
+                    const s = String(h || '').toUpperCase().trim();
+                    return s === 'COMENTARIOS' || s === 'OBSERVACIONES' || s === 'MOTIVO' || s === 'ESTADO';
+                });
+            }
+
             // Fallback to previous hardcoded indices if header search fails
             if (reasonIdx === -1) {
                 if (config.country === 'FR') reasonIdx = 18;
@@ -2229,6 +2237,9 @@ export const processBuyBoxExcel = async (fileOrBuffer: File | ArrayBuffer): Prom
             }
 
             console.log(`[BuyBox] Sheet "${sheetName}" (Country: ${config.country}): HeaderRow=${headerRowIdx}, ASIN Col=${finalAsinIdx} ("${headers[finalAsinIdx]}"), Reason Col=${reasonIdx} ("${headers[reasonIdx] || 'N/A'}")`);
+            if (config.country === 'ES') {
+                console.log(`[BuyBox Debug] ES Headers found:`, headers);
+            }
 
             // Skip header row and all rows above it
             for (let i = headerRowIdx + 1; i < jsonData.length; i++) {
diff --git a/vite.config.ts b/vite.config.ts
index b14abec..5c833cb 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -26,6 +26,24 @@ export default defineConfig(({ mode }) => {
           changeOrigin: true,
           rewrite: () => '',
           followRedirects: true
+        },
+        '/api/fetch-buybox': {
+          target: 'https://www.dropbox.com/scl/fi/dooz56abib51ifaf42cpx/Buy_Box_tracker.xlsx?rlkey=2sx85bne42fju3d8vekfygzau&dl=1',
+          changeOrigin: true,
+          rewrite: () => '',
+          followRedirects: true
+        },
+        '/api/fetch-ads': {
+          target: 'https://www.dropbox.com/scl/fi/wng8tep7awhvzd65amwad/Ads-Weekly.xlsx?rlkey=kcmoq8dxgibsb2eb8zz47xvyo&dl=1',
+          changeOrigin: true,
+          rewrite: () => '',
+          followRedirects: true
+        },
+        '/api/fetch-stock': {
+          target: 'https://www.dropbox.com/scl/fi/jaxc1y01ot7wj4ksswaoe/Item-Availability.xlsx?rlkey=v428jlri5jf1z5ggiebze7ovo&dl=1',
+          changeOrigin: true,
+          rewrite: () => '',
+          followRedirects: true
         }
       }
     },