diff --git a/pos/templates/accounting.html b/pos/templates/accounting.html
index 16b0c24..55451d3 100644
--- a/pos/templates/accounting.html
+++ b/pos/templates/accounting.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Contabilidad — Nexus Autoparts POS</title>
diff --git a/pos/templates/catalog.html b/pos/templates/catalog.html
index 5a26b68..ac331e1 100644
--- a/pos/templates/catalog.html
+++ b/pos/templates/catalog.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Catálogo — Nexus Autoparts POS</title>
diff --git a/pos/templates/config.html b/pos/templates/config.html
index b1f4460..56c2fd2 100644
--- a/pos/templates/config.html
+++ b/pos/templates/config.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Configuración — Nexus Autoparts POS</title>
diff --git a/pos/templates/customers.html b/pos/templates/customers.html
index 9d34410..6e6f14f 100644
--- a/pos/templates/customers.html
+++ b/pos/templates/customers.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Nexus Autoparts — Clientes</title>
diff --git a/pos/templates/dashboard.html b/pos/templates/dashboard.html
index 588196f..22d7893 100644
--- a/pos/templates/dashboard.html
+++ b/pos/templates/dashboard.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Nexus Autoparts — Dashboard</title>
diff --git a/pos/templates/inventory.html b/pos/templates/inventory.html
index 165279e..b1dac83 100644
--- a/pos/templates/inventory.html
+++ b/pos/templates/inventory.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Inventario — Nexus Autoparts POS</title>
diff --git a/pos/templates/invoicing.html b/pos/templates/invoicing.html
index 869431c..3393026 100644
--- a/pos/templates/invoicing.html
+++ b/pos/templates/invoicing.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Facturación CFDI — Nexus Autoparts POS</title>
diff --git a/pos/templates/login.html b/pos/templates/login.html
index 1c1df08..41bef01 100644
--- a/pos/templates/login.html
+++ b/pos/templates/login.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Nexus Autoparts — Iniciar Sesión</title>
diff --git a/pos/templates/pos.html b/pos/templates/pos.html
index 40d4ee5..3f71751 100644
--- a/pos/templates/pos.html
+++ b/pos/templates/pos.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Nexus Autoparts — Punto de Venta</title>
diff --git a/pos/templates/reports.html b/pos/templates/reports.html
index 219d4d3..c4eb297 100644
--- a/pos/templates/reports.html
+++ b/pos/templates/reports.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html lang="es" data-theme="industrial">
 <head>
+  <script>/*pos_theme_early*/(function(){var t=localStorage.getItem("pos_theme")||"industrial";document.documentElement.setAttribute("data-theme",t);})()</script>
   <meta charset="UTF-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1.0" />
   <title>Reportes — Nexus Autoparts POS</title>
