diff --git a/ci4/app/Views/themes/vuexy/form/importador/catalogo/viewImportadorCatalogoTool.php b/ci4/app/Views/themes/vuexy/form/importador/catalogo/viewImportadorCatalogoTool.php
index 2b1b3ea5..0bae91e3 100644
--- a/ci4/app/Views/themes/vuexy/form/importador/catalogo/viewImportadorCatalogoTool.php
+++ b/ci4/app/Views/themes/vuexy/form/importador/catalogo/viewImportadorCatalogoTool.php
@@ -28,7 +28,7 @@
                         </div>
 
                         <div class="col-md-4 mb-3 d-flex align-items-end">
-                            <button type="button" id="importBtn" class="btn btn-success w-100">
+                            <button type="button" id="importBtn" class="btn btn-success w-100" disabled>
                                 <i class="fas fa-file-import me-2"></i> <?= lang('Importador.importar') ?? 'Importar' ?>
                             </button>
                         </div>
diff --git a/httpdocs/assets/js/safekat/pages/importadores/catalogo/catalogo_tool.js b/httpdocs/assets/js/safekat/pages/importadores/catalogo/catalogo_tool.js
index cf169fce..b8ab6d44 100644
--- a/httpdocs/assets/js/safekat/pages/importadores/catalogo/catalogo_tool.js
+++ b/httpdocs/assets/js/safekat/pages/importadores/catalogo/catalogo_tool.js
@@ -2,6 +2,8 @@ import Ajax from '../../../components/ajax.js';
 
 document.addEventListener('DOMContentLoaded', function () {
 
+    document.getElementById('importBtn').disabled = true;
+
     const TABLE_COLUMNS = ["input", "idlinea", "descripcion", "cnt_pedida", "precio_compra"];
     let dataTable;
 
@@ -35,6 +37,9 @@ document.addEventListener('DOMContentLoaded', function () {
         const file = e.target.files[0];
         if (!file) return;
 
+        // Deshabilitar botón importar al comenzar nuevo procesamiento
+        document.getElementById('importBtn').disabled = true;
+
         const reader = new FileReader();
         reader.onload = function (e) {
             const data = new Uint8Array(e.target.result);
@@ -51,6 +56,18 @@ document.addEventListener('DOMContentLoaded', function () {
     async function validateAndLoadDataTable(data) {
         if (data.length === 0) return;
 
+        // Mostrar loader (ajústalo según tu HTML)
+        Swal.fire({
+            title: 'Procesando...',
+            text: 'Cargando datos del Excel...',
+            allowOutsideClick: false,
+            showDenyButton: false,
+            cancelButtonText: 'Cancelar',
+            didOpen: () => {
+                Swal.showLoading();
+            }
+        });
+
         const headers = data[0].map(h => h.toString().trim());
         const headerMap = {};
         headers.forEach((name, idx) => {
@@ -60,6 +77,7 @@ document.addEventListener('DOMContentLoaded', function () {
         const requiredColumns = ["idpedido", ...TABLE_COLUMNS];
         const missing = requiredColumns.filter(col => !(col in headerMap));
         if (missing.length > 0) {
+            Swal.close(); // Cierra el loader
             Swal.fire({
                 title: 'Error',
                 text: 'Faltan las siguientes columnas: ' + missing.join(', '),
@@ -127,6 +145,12 @@ document.addEventListener('DOMContentLoaded', function () {
         dataTable.clear().rows.add(rows).draw();
 
         setupEventListeners();
+
+        Swal.close(); // Ocultar loader
+
+        // Habilitar botón importar si hay filas válidas
+        const tieneFilas = rows.length > 0;
+        document.getElementById('importBtn').disabled = !tieneFilas;
     }
 
     async function validarFila(rowData) {
@@ -176,7 +200,7 @@ document.addEventListener('DOMContentLoaded', function () {
                     const skId = result.data?.sk_id ?? '';
 
                     // Actualizar campo "Notas" con el enlace
-                    if (skUrl) {                        
+                    if (skUrl) {
                         const notasHtml = `<a href="${skUrl}" target="_blank" class="btn btn-sm btn-secondary">Ver presupuesto (${skId})</a>`;
                         // La columna de notas es la posición 6 (índice 6)
                         rowData[6] = notasHtml;