diff --git a/website_sale_aplicoop/controllers/portal.py b/website_sale_aplicoop/controllers/portal.py
index 1755a94..398ff32 100644
--- a/website_sale_aplicoop/controllers/portal.py
+++ b/website_sale_aplicoop/controllers/portal.py
@@ -14,6 +14,19 @@ _logger = logging.getLogger(__name__)
 class CustomerPortal(sale_portal.CustomerPortal):
     """Extend sale portal to include draft orders."""
 
+    def _get_weekday_names(self):
+        """Return translated weekday names (Monday first, Sunday last)."""
+        _t = request.env._
+        return [
+            _t("Monday"),
+            _t("Tuesday"),
+            _t("Wednesday"),
+            _t("Thursday"),
+            _t("Friday"),
+            _t("Saturday"),
+            _t("Sunday"),
+        ]
+
     def _prepare_orders_domain(self, partner):
         """Override to include draft and done orders."""
         return [
@@ -35,15 +48,7 @@ class CustomerPortal(sale_portal.CustomerPortal):
         )
 
         # Add translated day names for pickup_day display
-        values["day_names"] = [
-            request.env._("Monday"),
-            request.env._("Tuesday"),
-            request.env._("Wednesday"),
-            request.env._("Thursday"),
-            request.env._("Friday"),
-            request.env._("Saturday"),
-            request.env._("Sunday"),
-        ]
+        values["day_names"] = self._get_weekday_names()
 
         request.session["my_orders_history"] = values["orders"].ids[:100]
         return request.render("sale.portal_my_orders", values)
@@ -58,14 +63,6 @@ class CustomerPortal(sale_portal.CustomerPortal):
 
         # If it's a template render (not a redirect), add day_names to the context
         if hasattr(response, "qcontext"):
-            response.qcontext["day_names"] = [
-                request.env._("Monday"),
-                request.env._("Tuesday"),
-                request.env._("Wednesday"),
-                request.env._("Thursday"),
-                request.env._("Friday"),
-                request.env._("Saturday"),
-                request.env._("Sunday"),
-            ]
+            response.qcontext["day_names"] = self._get_weekday_names()
 
         return response
diff --git a/website_sale_aplicoop/controllers/website_sale.py b/website_sale_aplicoop/controllers/website_sale.py
index e3fac6b..3d7a051 100644
--- a/website_sale_aplicoop/controllers/website_sale.py
+++ b/website_sale_aplicoop/controllers/website_sale.py
@@ -260,6 +260,7 @@ class AplicoopWebsiteSale(WebsiteSale):
             # ============ MISC ============
             "items": env_lang._("items"),
             "added_to_cart": env_lang._("added to cart"),
+            "out_of_stock": env_lang._("Out of stock"),
         }
 
         return labels
diff --git a/website_sale_aplicoop/i18n/es.po b/website_sale_aplicoop/i18n/es.po
index 6930aa6..30bf9b8 100644
--- a/website_sale_aplicoop/i18n/es.po
+++ b/website_sale_aplicoop/i18n/es.po
@@ -13,6 +13,48 @@ msgstr ""
 "Content-Transfer-Encoding: \n"
 "Plural-Forms: \n"
 
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Monday"
+msgstr "Lunes"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Tuesday"
+msgstr "Martes"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Wednesday"
+msgstr "Miércoles"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Thursday"
+msgstr "Jueves"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Friday"
+msgstr "Viernes"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Saturday"
+msgstr "Sábado"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Sunday"
+msgstr "Domingo"
+
 #. module: base
 #: model:ir.module.module,description:base.module_website_sale_aplicoop
 msgid ""
diff --git a/website_sale_aplicoop/i18n/eu.po b/website_sale_aplicoop/i18n/eu.po
index 5dc201b..60a7634 100644
--- a/website_sale_aplicoop/i18n/eu.po
+++ b/website_sale_aplicoop/i18n/eu.po
@@ -13,6 +13,48 @@ msgstr ""
 "Content-Transfer-Encoding: \n"
 "Plural-Forms: \n"
 
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Monday"
+msgstr "Astelehena"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Tuesday"
+msgstr "Asteartea"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Wednesday"
+msgstr "Asteazkena"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Thursday"
+msgstr "Osteguna"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Friday"
+msgstr "Ostirala"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Saturday"
+msgstr "Larunbata"
+
+#. module: website_sale_aplicoop
+#. odoo-python
+#: code:addons/website_sale_aplicoop/controllers/portal.py:0
+msgid "Sunday"
+msgstr "Igandea"
+
 #. module: base
 #: model:ir.module.module,description:base.module_website_sale_aplicoop
 msgid ""
diff --git a/website_sale_aplicoop/static/src/js/website_sale.js b/website_sale_aplicoop/static/src/js/website_sale.js
index 0acea67..9ccd9f7 100644
--- a/website_sale_aplicoop/static/src/js/website_sale.js
+++ b/website_sale_aplicoop/static/src/js/website_sale.js
@@ -792,6 +792,19 @@
                 var quantityInput = form.querySelector(".product-qty");
                 var quantity = quantityInput ? parseFloat(quantityInput.value) : 1;
 
+                // Block add-to-cart if product is flagged out of stock (from template)
+                var isOutOfStock =
+                    (form.getAttribute("data-out-of-stock") || "false") === "true" ||
+                    (cartBtn.getAttribute("data-out-of-stock") || "false") === "true";
+                if (isOutOfStock) {
+                    var labels = self._getLabels();
+                    self._showNotification(
+                        labels.out_of_stock || "Product is out of stock",
+                        "warning"
+                    );
+                    return;
+                }
+
                 console.log("Adding:", {
                     productId: productId,
                     productName: productName,
diff --git a/website_sale_aplicoop/views/website_templates.xml b/website_sale_aplicoop/views/website_templates.xml
index 9b3bd20..c5cdb78 100644
--- a/website_sale_aplicoop/views/website_templates.xml
+++ b/website_sale_aplicoop/views/website_templates.xml
@@ -666,7 +666,16 @@
                         <t t-set="safe_uom_category" t-value="product_display_info.get(product.id, {}).get('safe_uom_category', '')" />
                         <t t-set="quantity_step" t-value="product_display_info.get(product.id, {}).get('quantity_step', 1)" />
                         <t t-set="order_id_safe" t-value="group_order.id if group_order else ''" />
-                        <form class="add-to-cart-form" t-attf-data-order-id="{{ order_id_safe }}" t-attf-data-product-id="{{ product.id }}" t-attf-data-product-name="{{ product.name }}" t-attf-data-product-price="{{ display_price }}" t-attf-data-uom-category="{{ safe_uom_category }}" t-attf-data-quantity-step="{{ quantity_step }}">
+                        <form
+                            class="add-to-cart-form"
+                            t-attf-data-order-id="{{ order_id_safe }}"
+                            t-attf-data-product-id="{{ product.id }}"
+                            t-attf-data-product-name="{{ product.name }}"
+                            t-attf-data-product-price="{{ display_price }}"
+                            t-attf-data-uom-category="{{ safe_uom_category }}"
+                            t-attf-data-quantity-step="{{ quantity_step }}"
+                            t-att-data-out-of-stock="'true' if product.is_out_of_stock else 'false'"
+                        >
                             <div class="qty-control">
                                 <label t-attf-for="qty_{{ product.id }}" class="sr-only">Quantity of <t t-esc="product.name" />
                                 </label>
@@ -677,8 +686,14 @@
                                 <button class="qty-increase" type="button" t-attf-data-product-id="{{ product.id }}" aria-label="Increase quantity">
                                     <i class="fa fa-plus" />
                                 </button>
-                                <button class="add-to-cart-btn" type="button" t-attf-aria-label="{{ 'Add %s to cart' % product.name }}" t-attf-title="{{ 'Add %s to cart' % product.name }}">
-                                    <i class="fa fa-shopping-cart" aria-hidden="true" />
+                                <button
+                                    class="add-to-cart-btn"
+                                    type="button"
+                                    t-att-data-out-of-stock="'true' if product.is_out_of_stock else 'false'"
+                                    t-attf-aria-label="{{ 'Out of stock' if product.is_out_of_stock else 'Add %s to cart' % product.name }}"
+                                    t-attf-title="{{ 'Out of stock' if product.is_out_of_stock else 'Add %s to cart' % product.name }}"
+                                >
+                                    <i t-attf-class="fa {{ 'fa-ban text-muted' if product.is_out_of_stock else 'fa-shopping-cart' }}" aria-hidden="true" />
                                 </button>
                             </div>
                         </form>