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diff --git a/db/migrations/063_add_label_code_to_products.sql b/db/migrations/063_add_label_code_to_products.sql
new file mode 100644
index 00000000..ec97ec95
--- /dev/null
+++ b/db/migrations/063_add_label_code_to_products.sql
@@ -0,0 +1,3 @@
+ALTER TABLE `products`
+ADD COLUMN `codigo_base` VARCHAR(20) DEFAULT NULL,
+ADD COLUMN `contador_etiquetas` INT DEFAULT 0;
diff --git a/edit_product.php b/edit_product.php
index cb3349fc..402088f7 100644
--- a/edit_product.php
+++ b/edit_product.php
@@ -71,6 +71,12 @@ include 'layout_header.php';
                                     <input type="text" class="form-control" id="nombre" name="nombre" value="<?php echo htmlspecialchars($product['nombre']); ?>" required>
                                 </div>
 
+                                <div class="form-group">
+                                    <label for="codigo_base">Prefijo para Etiquetas (Opcional)</label>
+                                    <input type="text" class="form-control" id="codigo_base" name="codigo_base" value="<?php echo htmlspecialchars($product['codigo_base'] ?? ''); ?>">
+                                    <small class="form-text text-muted">Ej: "AFS" para Anillo Feng Shui. Si lo dejas vacío, se usarán las iniciales del nombre.</small>
+                                </div>
+
                                 <div class="form-group">
                                     <label for="provincia_id">Provincia (Opcional)</label>
                                     <select class="form-control" id="provincia_id" name="provincia_id">
diff --git a/generar_etiquetas.php b/generar_etiquetas.php
index c023ef0d..101403c5 100644
--- a/generar_etiquetas.php
+++ b/generar_etiquetas.php
@@ -2,7 +2,7 @@
 $pageTitle = "Generador de Etiquetas";
 include 'layout_header.php';
 include 'db/config.php';
-require_once 'includes/barcode_generator.php'; // Added this line
+
 
 // Fetch products for the dropdown
 $products = [];
@@ -15,51 +15,50 @@ try {
 }
 
 // Handle form submission
-$generated_codes = []; // Initialize array to hold codes for display
+$generated_codes = [];
 if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     $producto_id = $_POST['producto_id'] ?? null;
     $cantidad = isset($_POST['cantidad']) ? (int)$_POST['cantidad'] : 0;
 
     if ($producto_id && $cantidad > 0 && $cantidad <= 1000) {
-        // Find product name to generate initials
-        $product_name = '';
-        foreach ($products as $p) {
-            if ($p['id'] == $producto_id) {
-                $product_name = $p['nombre'];
-                break;
-            }
-        }
-
-        $initials = '';
-        if (!empty($product_name)) {
-            $words = preg_split('/\s+/', trim($product_name));
-            foreach ($words as $w) {
-                if (isset($w[0])) {
-                    $initials .= strtoupper($w[0]);
-                }
-            }
-        }
-
         $db = db();
         try {
             $db->beginTransaction();
-            
-            // Prepare statement for insertion
-            $stmt = $db->prepare("INSERT INTO unidades_inventario (codigo_unico, producto_id) VALUES (?, ?)");
 
-            for ($i = 0; $i < $cantidad; $i++) {
-                // Generate a unique code with product initials
-                $unique_part = strtoupper(uniqid());
-                $unique_code = ($initials ? $initials . '-' : '') . $producto_id . '-' . $unique_part;
+            // 1. Lock the product row and get current counter and code base
+            $stmt = $db->prepare("SELECT codigo_base, contador_etiquetas FROM products WHERE id = ? FOR UPDATE");
+            $stmt->execute([$producto_id]);
+            $product_data = $stmt->fetch(PDO::FETCH_ASSOC);
+
+            if (!$product_data) {
+                throw new Exception("Producto no encontrado.");
+            }
+
+            $codigo_base = $product_data['codigo_base'];
+            $contador_actual = (int)$product_data['contador_etiquetas'];
+
+            // Prepare statement for insertion into unidades_inventario
+            $insert_stmt = $db->prepare("INSERT INTO unidades_inventario (codigo_unico, producto_id) VALUES (?, ?)");
+
+            // 2. Generate new codes
+            for ($i = 1; $i <= $cantidad; $i++) {
+                $nuevo_contador = $contador_actual + $i;
+                $numero_formateado = str_pad($nuevo_contador, 4, '0', STR_PAD_LEFT);
+                $unique_code = $codigo_base . '-' . $numero_formateado;
                 
-                $stmt->execute([$unique_code, $producto_id]);
+                $insert_stmt->execute([$unique_code, $producto_id]);
                 $generated_codes[] = $unique_code;
             }
             
+            // 3. Update the counter in the products table
+            $nuevo_total_contador = $contador_actual + $cantidad;
+            $update_stmt = $db->prepare("UPDATE products SET contador_etiquetas = ? WHERE id = ?");
+            $update_stmt->execute([$nuevo_total_contador, $producto_id]);
+
             $db->commit();
             $_SESSION['success_message'] = 'Se generaron ' . count($generated_codes) . ' códigos exitosamente.';
 
-        } catch (PDOException $e) {
+        } catch (Exception $e) {
             $db->rollBack();
             $_SESSION['error_message'] = 'Error al generar los códigos: ' . $e->getMessage();
         }
@@ -113,7 +112,6 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
 
 <?php
 if (!empty($generated_codes)) {
-    $generator = new BarcodeGenerator();
 ?>
 <div class="card mt-4">
     <div class="card-header d-flex justify-content-between align-items-center">
@@ -133,13 +131,7 @@ if (!empty($generated_codes)) {
             <?php foreach ($generated_codes as $code): ?>
                 <div class="col-lg-4 col-md-6 text-center mb-4">
                     <div class="barcode-container" style="min-height: 70px;">
-                        <?php
-                        try {
-                            echo $generator->getBarcode($code);
-                        } catch (Exception $e) {
-                            echo '<div class="alert alert-danger">Error al generar código de barras.</div>';
-                        }
-                        ?>
+                        <img src="https://barcode.tec-it.com/barcode.ashx?data=<?php echo urlencode($code); ?>&code=Code128" alt="Barcode for <?php echo htmlspecialchars($code); ?>" style="max-height: 50px;">
                     </div>
                     <code><?php echo htmlspecialchars($code); ?></code>
                 </div>
@@ -149,4 +141,4 @@ if (!empty($generated_codes)) {
 </div>
 <?php } ?>
 
-<?php include 'layout_footer.php'; ?>
\ No newline at end of file
+<?php include 'layout_footer.php'; ?>
diff --git a/imprimir_etiquetas.php b/imprimir_etiquetas.php
index b66f11c7..f5d5ea0a 100644
--- a/imprimir_etiquetas.php
+++ b/imprimir_etiquetas.php
@@ -1,5 +1,5 @@
 <?php
-require_once 'includes/barcode_generator.php';
+
 
 $codes = $_POST['codes'] ?? [];
 
@@ -8,7 +8,7 @@ if (empty($codes)) {
     // For now, we'll just show a blank page if no codes are provided.
 }
 
-$generator = new BarcodeGenerator();
+
 ?>
 <!DOCTYPE html>
 <html lang="es">
@@ -80,13 +80,7 @@ $generator = new BarcodeGenerator();
         <?php foreach ($codes as $code): ?>
             <div class="label">
                 <div class="barcode-svg">
-                    <?php
-                    try {
-                        echo $generator->getBarcode($code, 2, 50);
-                    } catch (Exception $e) {
-                        echo '<div class="alert alert-danger p-1">Error</div>';
-                    }
-                    ?>
+                    <img src="https://barcode.tec-it.com/barcode.ashx?data=<?php echo urlencode($code); ?>&code=Code128" alt="Barcode for <?php echo htmlspecialchars($code); ?>" style="max-height: 50px;">
                 </div>
                 <div class="code-text">
                     <code><?php echo htmlspecialchars($code); ?></code>
diff --git a/panel_inventario.php b/panel_inventario.php
index 17f66ee2..a70748f4 100644
--- a/panel_inventario.php
+++ b/panel_inventario.php
@@ -27,7 +27,7 @@ try {
     $sedes_stmt = $pdo->query("SELECT id, nombre FROM sedes ORDER BY nombre");
     $sedes = $sedes_stmt->fetchAll(PDO::FETCH_ASSOC);
 
-    $products_stmt = $pdo->query("SELECT id, nombre FROM products ORDER BY nombre");
+    $products_stmt = $pdo->query("SELECT id, nombre, sku FROM products ORDER BY nombre");
     $products = $products_stmt->fetchAll(PDO::FETCH_ASSOC);
 
     $stock_stmt = $pdo->query("SELECT product_id, sede_id, quantity FROM stock_sedes");
@@ -37,6 +37,7 @@ try {
     foreach ($products as $product) {
         $inventario[$product['id']] = [
             'nombre' => $product['nombre'],
+            'sku' => $product['sku'],
             'total' => 0,
             'sedes' => array_fill_keys(array_column($sedes, 'id'), 0)
         ];
@@ -180,6 +181,7 @@ try {
                     <thead class="thead-light">
                         <tr>
                             <th>Producto</th>
+                            <th>SKU</th>
                             <th class="text-center">Stock Total</th>
                             <?php foreach ($sedes as $sede): ?>
                                 <th class="text-center"><?php echo htmlspecialchars($sede['nombre']); ?></th>
@@ -188,11 +190,12 @@ try {
                     </thead>
                     <tbody>
                         <?php if (empty($inventario)): ?>
-                            <tr><td colspan="<?php echo count($sedes) + 2; ?>" class="text-center">No hay productos.</td></tr>
+                            <tr><td colspan="<?php echo count($sedes) + 3; ?>" class="text-center">No hay productos.</td></tr>
                         <?php else: ?>
                             <?php foreach ($inventario as $datos_producto): ?>
                                 <tr>
                                     <td><?php echo htmlspecialchars($datos_producto['nombre']); ?></td>
+                                    <td><?php echo htmlspecialchars($datos_producto['sku']); ?></td>
                                     <td class="text-center fw-bold"><?php echo $datos_producto['total']; ?></td>
                                     <?php foreach ($datos_producto['sedes'] as $cantidad): ?>
                                         <td class="text-center"><?php echo $cantidad; ?></td>
diff --git a/save_product.php b/save_product.php
index 6cc55e8a..7dd265fa 100644
--- a/save_product.php
+++ b/save_product.php
@@ -2,10 +2,23 @@
 session_start();
 require_once 'db/config.php';
 
+// Función para generar el código base a partir de las iniciales
+function generar_codigo_base($nombre) {
+    $palabras = explode(' ', trim($nombre));
+    $iniciales = '';
+    foreach ($palabras as $palabra) {
+        if (!empty($palabra)) {
+            $iniciales .= strtoupper($palabra[0]);
+        }
+    }
+    return $iniciales;
+}
+
 if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     // Recoger todos los datos del formulario
     $id = $_POST['id'] ?? null;
     $nombre = $_POST['nombre'] ?? '';
+    $codigo_base = $_POST['codigo_base'] ?? '';
     $sku = !empty($_POST['sku']) ? $_POST['sku'] : null;
     $costo = !empty($_POST['costo']) ? (float)$_POST['costo'] : 0.00;
     $precio_venta = !empty($_POST['precio_venta']) ? (float)$_POST['precio_venta'] : 0.00;
@@ -14,20 +27,24 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     
     $show_on_panel = isset($_POST['show_on_panel']) ? 1 : 0;
 
+    // Generar código base si está vacío
+    if (empty($codigo_base)) {
+        $codigo_base = generar_codigo_base($nombre);
+    }
+
     $db = db();
 
     if (!empty($id)) {
         // Actualizar producto existente
-        $sql = "UPDATE products SET nombre = ?, sku = ?, costo = ?, precio_venta = ?, description = ?, provincia_id = ?, show_on_panel = ? WHERE id = ?";
+        $sql = "UPDATE products SET nombre = ?, sku = ?, costo = ?, precio_venta = ?, description = ?, provincia_id = ?, show_on_panel = ?, codigo_base = ? WHERE id = ?";
         $stmt = $db->prepare($sql);
-        $stmt->execute([$nombre, $sku, $costo, $precio_venta, $description, $provincia_id, $show_on_panel, $id]);
+        $stmt->execute([$nombre, $sku, $costo, $precio_venta, $description, $provincia_id, $show_on_panel, $codigo_base, $id]);
         $_SESSION['success_message'] = "Producto actualizado exitosamente.";
     } else {
         // Crear nuevo producto
-        // No se insertan columnas generadas como ganancia_unidad, ingreso_total, ganancia_total
-        $sql = "INSERT INTO products (nombre, sku, costo, precio_venta, description, provincia_id, show_on_panel, unidades_vendidas) VALUES (?, ?, ?, ?, ?, ?, ?, 0)";
+        $sql = "INSERT INTO products (nombre, sku, costo, precio_venta, description, provincia_id, show_on_panel, codigo_base, unidades_vendidas) VALUES (?, ?, ?, ?, ?, ?, ?, ?, 0)";
         $stmt = $db->prepare($sql);
-        $stmt->execute([$nombre, $sku, $costo, $precio_venta, $description, $provincia_id, $show_on_panel]);
+        $stmt->execute([$nombre, $sku, $costo, $precio_venta, $description, $provincia_id, $show_on_panel, $codigo_base]);
         $_SESSION['success_message'] = "Producto creado exitosamente.";
     }