diff --git a/src/Generator.jsx b/src/Generator.jsx
index b0647af..7a1f14e 100644
--- a/src/Generator.jsx
+++ b/src/Generator.jsx
@@ -1,6 +1,6 @@
 import { useState, useRef, useEffect } from 'react';
 import './Generator.css';
-import { renderQRCode, downloadIDCards, downloadBulkIDCards, getXLSXLib } from './script/script.jsx';
+import { renderQRCode, downloadIDCards, downloadBulkIDCards, getXLSXLib, clientTemplates } from './script/script.jsx';
 import { uploadEmployeePhoto } from './services/storage.js';
 import { supabase } from "./services/supabase";
 
@@ -148,11 +148,11 @@ export default function IdCardGenerator() {
     };
 
     // --- ALMACENAMIENTO AUTOMÁTICO EN EL STORAGE E INSTANCIACIÓN RPC ---
-    const handleBulkSupabasePhotoSync = async (cedula, blobData) => {
+    const handleBulkSupabasePhotoSync = async (cedula, blobData, clientKey = '') => {
         const cleanCedula = String(cedula).replace(/[-\s]/g, '');
         try {
             const customFile = new File([blobData], `${cleanCedula}.jpg`, { type: 'image/jpeg' });
-            const remoteStorageUrl = await uploadEmployeePhoto(cleanCedula, customFile);
+            const remoteStorageUrl = await uploadEmployeePhoto(cleanCedula, customFile, clientKey);
 
             if (remoteStorageUrl) {
                 const { data, error } = await supabase.rpc("save_employee_photo", {
@@ -354,7 +354,7 @@ export default function IdCardGenerator() {
         if (!validateForm()) return;
         try {
             if (photoFile) {
-                const photoUrl = await uploadEmployeePhoto(employeeId, photoFile);
+                const photoUrl = await uploadEmployeePhoto(employeeId, photoFile, selectedClient);
                 await supabase.rpc("save_employee_photo", {
                     p_employee_number: employeeId,
                     p_photo_url: photoUrl
@@ -557,7 +557,13 @@ export default function IdCardGenerator() {
 
                     <div className="card-wrap">
                         <div className="card-label">Reverso</div>
-                        <div className="card" id="cardBack" style={{ backgroundImage: `url('${baseUrl}${selectedClient === 'Colgate' ? 'images/AF Colgate' : 'images/AF ' + selectedClient} ${language}.png')` }}>
+                        <div
+                            className="card"
+                            id="cardBack"
+                            style={{
+                                backgroundImage: `url('${baseUrl}${(clientTemplates[language] || clientTemplates['Esp'])[selectedClient] || (clientTemplates[language] || clientTemplates['Esp'])['Generico']}')`
+                            }}
+                        >
                             <div className="back-qr-zone">
                                 <canvas ref={qrCanvasRef} width={55} height={55}></canvas>
                             </div>
diff --git a/src/script/script.jsx b/src/script/script.jsx
index 983cda1..112416a 100644
--- a/src/script/script.jsx
+++ b/src/script/script.jsx
@@ -330,7 +330,7 @@ export async function downloadBulkIDCards({ employees, baseUrl, onStateChange, o
                 if (blobData) {
                     validatedPhotoUrl = URL.createObjectURL(blobData);
                     if (onProcessEmployeePhoto) {
-                        await onProcessEmployeePhoto(strictCleanId, blobData);
+                        await onProcessEmployeePhoto(strictCleanId, blobData, emp.selectedClient || '');
                     }
                 }
             } catch (err) {
diff --git a/src/services/storage.js b/src/services/storage.js
index d6e59c3..15e455f 100644
--- a/src/services/storage.js
+++ b/src/services/storage.js
@@ -1,21 +1,59 @@
 import { supabase } from "./supabase";
 
-export async function uploadEmployeePhoto(employeeNumber, file) {
+/**
+ * Sube la foto de un empleado al bucket "foto_empleados".
+ *
+ * El nombre del archivo sigue el patrón:
+ *   <cedula>_<cliente>.jpg          — primera foto
+ *   <cedula>_<cliente>1.jpg         — segunda foto del mismo empleado+cliente
+ *   <cedula>_<cliente>2.jpg         — tercera, etc.
+ *
+ * @param {string} employeeNumber  - Número de cédula limpio (sin guiones/espacios)
+ * @param {File}   file            - Archivo de imagen a subir
+ * @param {string} [clientKey='']  - Nombre del cliente/proyecto (p.ej. "claro", "nestle")
+ * @returns {Promise<string>}      - URL pública del archivo subido
+ */
+export async function uploadEmployeePhoto(employeeNumber, file, clientKey = '') {
+    const extension = file.name.split('.').pop() || 'jpg';
 
-    const extension = file.name.split(".").pop();
+    // Normalizar el nombre del cliente: minúsculas, sin espacios ni caracteres especiales
+    const safeClient = clientKey
+        ? '_' + clientKey.toLowerCase().replace(/[^a-z0-9]/g, '')
+        : '';
 
-    const fileName = `${employeeNumber}.${extension}`;
+    const baseName = `${employeeNumber}${safeClient}`;
+
+    // Buscar archivos existentes con el mismo prefijo para elegir el sufijo correcto
+    const { data: existingFiles } = await supabase.storage
+        .from('foto_empleados')
+        .list('', { search: baseName });
+
+    // Filtrar exactamente los archivos que tengan el mismo baseName base
+    const pattern = new RegExp(`^${baseName}(\\d*)\\.${extension}$`);
+    const matches = (existingFiles || []).filter(f => pattern.test(f.name));
+
+    let fileName;
+    if (matches.length === 0) {
+        // No existe ninguno: usar el nombre base sin sufijo numérico
+        fileName = `${baseName}.${extension}`;
+    } else {
+        // Extraer los sufijos numéricos usados y elegir el siguiente
+        const usedSuffixes = matches.map(f => {
+            const m = f.name.match(pattern);
+            return m ? parseInt(m[1] || '0', 10) : 0;
+        });
+        const nextSuffix = Math.max(...usedSuffixes) + 1;
+        fileName = `${baseName}${nextSuffix}.${extension}`;
+    }
 
     const { error } = await supabase.storage
-        .from("foto_empleados")
-        .upload(fileName, file, {
-            upsert: false
-        });
+        .from('foto_empleados')
+        .upload(fileName, file, { upsert: false });
 
     if (error) throw error;
 
     const { data } = supabase.storage
-        .from("foto_empleados")
+        .from('foto_empleados')
         .getPublicUrl(fileName);
 
     return data.publicUrl;