diff --git a/app/routes/shop_pages.py b/app/routes/shop_pages.py
index 72281576..0f6c6d4b 100644
--- a/app/routes/shop_pages.py
+++ b/app/routes/shop_pages.py
@@ -240,7 +240,9 @@ async def shop_products_page(request: Request, db: Session = Depends(get_db)):
     "/products/{product_id}", response_class=HTMLResponse, include_in_schema=False
 )
 async def shop_product_detail_page(
-    request: Request, product_id: int = Path(..., description="Product ID")
+    request: Request,
+    product_id: int = Path(..., description="Product ID"),
+    db: Session = Depends(get_db),
 ):
     """
     Render product detail page.
@@ -256,7 +258,7 @@ async def shop_product_detail_page(
     )
 
     return templates.TemplateResponse(
-        "shop/product.html", get_shop_context(request, product_id=product_id)
+        "shop/product.html", get_shop_context(request, db=db, product_id=product_id)
     )
 
 
@@ -264,7 +266,9 @@ async def shop_product_detail_page(
     "/categories/{category_slug}", response_class=HTMLResponse, include_in_schema=False
 )
 async def shop_category_page(
-    request: Request, category_slug: str = Path(..., description="Category slug")
+    request: Request,
+    category_slug: str = Path(..., description="Category slug"),
+    db: Session = Depends(get_db),
 ):
     """
     Render category products page.
@@ -280,12 +284,12 @@ async def shop_category_page(
     )
 
     return templates.TemplateResponse(
-        "shop/category.html", get_shop_context(request, category_slug=category_slug)
+        "shop/category.html", get_shop_context(request, db=db, category_slug=category_slug)
     )
 
 
 @router.get("/cart", response_class=HTMLResponse, include_in_schema=False)
-async def shop_cart_page(request: Request):
+async def shop_cart_page(request: Request, db: Session = Depends(get_db)):
     """
     Render shopping cart page.
     Shows cart items and allows quantity updates.
@@ -299,11 +303,11 @@ async def shop_cart_page(request: Request):
         },
     )
 
-    return templates.TemplateResponse("shop/cart.html", get_shop_context(request))
+    return templates.TemplateResponse("shop/cart.html", get_shop_context(request, db=db))
 
 
 @router.get("/checkout", response_class=HTMLResponse, include_in_schema=False)
-async def shop_checkout_page(request: Request):
+async def shop_checkout_page(request: Request, db: Session = Depends(get_db)):
     """
     Render checkout page.
     Handles shipping, payment, and order confirmation.
@@ -317,11 +321,11 @@ async def shop_checkout_page(request: Request):
         },
     )
 
-    return templates.TemplateResponse("shop/checkout.html", get_shop_context(request))
+    return templates.TemplateResponse("shop/checkout.html", get_shop_context(request, db=db))
 
 
 @router.get("/search", response_class=HTMLResponse, include_in_schema=False)
-async def shop_search_page(request: Request):
+async def shop_search_page(request: Request, db: Session = Depends(get_db)):
     """
     Render search results page.
     Shows products matching search query.
@@ -335,7 +339,7 @@ async def shop_search_page(request: Request):
         },
     )
 
-    return templates.TemplateResponse("shop/search.html", get_shop_context(request))
+    return templates.TemplateResponse("shop/search.html", get_shop_context(request, db=db))
 
 
 # ============================================================================
@@ -344,7 +348,7 @@ async def shop_search_page(request: Request):
 
 
 @router.get("/account/register", response_class=HTMLResponse, include_in_schema=False)
-async def shop_register_page(request: Request):
+async def shop_register_page(request: Request, db: Session = Depends(get_db)):
     """
     Render customer registration page.
     No authentication required.
@@ -359,12 +363,12 @@ async def shop_register_page(request: Request):
     )
 
     return templates.TemplateResponse(
-        "shop/account/register.html", get_shop_context(request)
+        "shop/account/register.html", get_shop_context(request, db=db)
     )
 
 
 @router.get("/account/login", response_class=HTMLResponse, include_in_schema=False)
-async def shop_login_page(request: Request):
+async def shop_login_page(request: Request, db: Session = Depends(get_db)):
     """
     Render customer login page.
     No authentication required.
@@ -379,14 +383,14 @@ async def shop_login_page(request: Request):
     )
 
     return templates.TemplateResponse(
-        "shop/account/login.html", get_shop_context(request)
+        "shop/account/login.html", get_shop_context(request, db=db)
     )
 
 
 @router.get(
     "/account/forgot-password", response_class=HTMLResponse, include_in_schema=False
 )
-async def shop_forgot_password_page(request: Request):
+async def shop_forgot_password_page(request: Request, db: Session = Depends(get_db)):
     """
     Render forgot password page.
     Allows customers to reset their password.
@@ -401,7 +405,7 @@ async def shop_forgot_password_page(request: Request):
     )
 
     return templates.TemplateResponse(
-        "shop/account/forgot-password.html", get_shop_context(request)
+        "shop/account/forgot-password.html", get_shop_context(request, db=db)
     )
 
 
@@ -752,7 +756,7 @@ async def generic_content_page(
     )
 
     return templates.TemplateResponse(
-        "shop/content-page.html", get_shop_context(request, page=page)
+        "shop/content-page.html", get_shop_context(request, db=db, page=page)
     )
 
 
diff --git a/app/routes/vendor_pages.py b/app/routes/vendor_pages.py
index fe01d482..0c55da9f 100644
--- a/app/routes/vendor_pages.py
+++ b/app/routes/vendor_pages.py
@@ -36,7 +36,9 @@ from app.api.deps import (
 )
 from app.services.content_page_service import content_page_service
 from app.services.onboarding_service import OnboardingService
+from app.services.platform_settings_service import platform_settings_service
 from models.database.user import User
+from models.database.vendor import Vendor
 
 logger = logging.getLogger(__name__)
 
@@ -44,6 +46,79 @@ router = APIRouter()
 templates = Jinja2Templates(directory="app/templates")
 
 
+# ============================================================================
+# HELPER: Build Vendor Dashboard Context
+# ============================================================================
+
+
+def get_vendor_context(
+    request: Request,
+    db: Session,
+    current_user: User,
+    vendor_code: str,
+    **extra_context,
+) -> dict:
+    """
+    Build template context for vendor dashboard pages.
+
+    Resolves locale/currency using the platform settings service with
+    vendor override support:
+    1. Vendor's storefront_locale (if set)
+    2. Platform's default from PlatformSettingsService
+    3. Environment variable
+    4. Hardcoded fallback
+
+    Args:
+        request: FastAPI request object
+        db: Database session
+        current_user: Authenticated vendor user
+        vendor_code: Vendor subdomain/code
+        **extra_context: Additional variables for template
+
+    Returns:
+        Dictionary with request, user, vendor, resolved locale/currency, and extra context
+    """
+    # Load vendor from database
+    vendor = db.query(Vendor).filter(Vendor.subdomain == vendor_code).first()
+
+    # Get platform defaults
+    platform_config = platform_settings_service.get_storefront_config(db)
+
+    # Resolve with vendor override
+    storefront_locale = platform_config["locale"]
+    storefront_currency = platform_config["currency"]
+
+    if vendor and vendor.storefront_locale:
+        storefront_locale = vendor.storefront_locale
+
+    context = {
+        "request": request,
+        "user": current_user,
+        "vendor": vendor,
+        "vendor_code": vendor_code,
+        "storefront_locale": storefront_locale,
+        "storefront_currency": storefront_currency,
+        "dashboard_language": vendor.dashboard_language if vendor else "en",
+    }
+
+    # Add any extra context
+    if extra_context:
+        context.update(extra_context)
+
+    logger.debug(
+        "[VENDOR_CONTEXT] Context built",
+        extra={
+            "vendor_id": vendor.id if vendor else None,
+            "vendor_code": vendor_code,
+            "storefront_locale": storefront_locale,
+            "storefront_currency": storefront_currency,
+            "extra_keys": list(extra_context.keys()) if extra_context else [],
+        },
+    )
+
+    return context
+
+
 # ============================================================================
 # PUBLIC ROUTES (No Authentication Required)
 # ============================================================================
@@ -143,11 +218,7 @@ async def vendor_onboarding_page(
 
     return templates.TemplateResponse(
         "vendor/onboarding.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -181,11 +252,7 @@ async def vendor_dashboard_page(
 
     return templates.TemplateResponse(
         "vendor/dashboard.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -201,6 +268,7 @@ async def vendor_products_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render products management page.
@@ -208,11 +276,7 @@ async def vendor_products_page(
     """
     return templates.TemplateResponse(
         "vendor/products.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -228,6 +292,7 @@ async def vendor_orders_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render orders management page.
@@ -235,11 +300,7 @@ async def vendor_orders_page(
     """
     return templates.TemplateResponse(
         "vendor/orders.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -253,6 +314,7 @@ async def vendor_order_detail_page(
     vendor_code: str = Path(..., description="Vendor code"),
     order_id: int = Path(..., description="Order ID"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render order detail page.
@@ -268,12 +330,7 @@ async def vendor_order_detail_page(
     """
     return templates.TemplateResponse(
         "vendor/order-detail.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-            "order_id": order_id,
-        },
+        get_vendor_context(request, db, current_user, vendor_code, order_id=order_id),
     )
 
 
@@ -289,6 +346,7 @@ async def vendor_customers_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render customers management page.
@@ -296,11 +354,7 @@ async def vendor_customers_page(
     """
     return templates.TemplateResponse(
         "vendor/customers.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -316,6 +370,7 @@ async def vendor_messages_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render messages page.
@@ -323,11 +378,7 @@ async def vendor_messages_page(
     """
     return templates.TemplateResponse(
         "vendor/messages.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -341,6 +392,7 @@ async def vendor_message_detail_page(
     vendor_code: str = Path(..., description="Vendor code"),
     conversation_id: int = Path(..., description="Conversation ID"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render message detail page.
@@ -348,12 +400,9 @@ async def vendor_message_detail_page(
     """
     return templates.TemplateResponse(
         "vendor/messages.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-            "conversation_id": conversation_id,
-        },
+        get_vendor_context(
+            request, db, current_user, vendor_code, conversation_id=conversation_id
+        ),
     )
 
 
@@ -369,6 +418,7 @@ async def vendor_inventory_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render inventory management page.
@@ -376,11 +426,7 @@ async def vendor_inventory_page(
     """
     return templates.TemplateResponse(
         "vendor/inventory.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -396,6 +442,7 @@ async def vendor_marketplace_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render marketplace import page.
@@ -403,11 +450,7 @@ async def vendor_marketplace_page(
     """
     return templates.TemplateResponse(
         "vendor/marketplace.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -423,6 +466,7 @@ async def vendor_letzshop_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render Letzshop integration page.
@@ -430,11 +474,7 @@ async def vendor_letzshop_page(
     """
     return templates.TemplateResponse(
         "vendor/letzshop.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -450,6 +490,7 @@ async def vendor_invoices_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render invoices management page.
@@ -457,11 +498,7 @@ async def vendor_invoices_page(
     """
     return templates.TemplateResponse(
         "vendor/invoices.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -475,6 +512,7 @@ async def vendor_team_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render team management page.
@@ -482,11 +520,7 @@ async def vendor_team_page(
     """
     return templates.TemplateResponse(
         "vendor/team.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -502,6 +536,7 @@ async def vendor_profile_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render vendor profile page.
@@ -509,11 +544,7 @@ async def vendor_profile_page(
     """
     return templates.TemplateResponse(
         "vendor/profile.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -524,6 +555,7 @@ async def vendor_settings_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render vendor settings page.
@@ -531,11 +563,7 @@ async def vendor_settings_page(
     """
     return templates.TemplateResponse(
         "vendor/settings.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -546,6 +574,7 @@ async def vendor_billing_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render billing and subscription management page.
@@ -553,11 +582,7 @@ async def vendor_billing_page(
     """
     return templates.TemplateResponse(
         "vendor/billing.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -573,6 +598,7 @@ async def vendor_notifications_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render notifications center page.
@@ -580,11 +606,7 @@ async def vendor_notifications_page(
     """
     return templates.TemplateResponse(
         "vendor/notifications.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -600,6 +622,7 @@ async def vendor_analytics_page(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render analytics and reports page.
@@ -607,11 +630,7 @@ async def vendor_analytics_page(
     """
     return templates.TemplateResponse(
         "vendor/analytics.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -627,6 +646,7 @@ async def vendor_content_pages_list(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render content pages management page.
@@ -634,11 +654,7 @@ async def vendor_content_pages_list(
     """
     return templates.TemplateResponse(
         "vendor/content-pages.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-        },
+        get_vendor_context(request, db, current_user, vendor_code),
     )
 
 
@@ -651,18 +667,14 @@ async def vendor_content_page_create(
     request: Request,
     vendor_code: str = Path(..., description="Vendor code"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render content page creation form.
     """
     return templates.TemplateResponse(
         "vendor/content-page-edit.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-            "page_id": None,
-        },
+        get_vendor_context(request, db, current_user, vendor_code, page_id=None),
     )
 
 
@@ -676,18 +688,14 @@ async def vendor_content_page_edit(
     vendor_code: str = Path(..., description="Vendor code"),
     page_id: int = Path(..., description="Content page ID"),
     current_user: User = Depends(get_current_vendor_from_cookie_or_header),
+    db: Session = Depends(get_db),
 ):
     """
     Render content page edit form.
     """
     return templates.TemplateResponse(
         "vendor/content-page-edit.html",
-        {
-            "request": request,
-            "user": current_user,
-            "vendor_code": vendor_code,
-            "page_id": page_id,
-        },
+        get_vendor_context(request, db, current_user, vendor_code, page_id=page_id),
     )
 
 
@@ -759,11 +767,22 @@ async def vendor_content_page(
         },
     )
 
+    # Resolve locale for shop template (uses same resolution chain as shop routes)
+    platform_config = platform_settings_service.get_storefront_config(db)
+    storefront_locale = platform_config["locale"]
+    storefront_currency = platform_config["currency"]
+
+    if vendor and vendor.storefront_locale:
+        storefront_locale = vendor.storefront_locale
+
     return templates.TemplateResponse(
         "shop/content-page.html",
         {
             "request": request,
             "page": page,
+            "vendor": vendor,
             "vendor_code": vendor_code,
+            "storefront_locale": storefront_locale,
+            "storefront_currency": storefront_currency,
         },
     )
diff --git a/app/templates/shop/base.html b/app/templates/shop/base.html
index 23e9e07e..3a14bb52 100644
--- a/app/templates/shop/base.html
+++ b/app/templates/shop/base.html
@@ -308,12 +308,12 @@
     {# 1. Log Configuration (must load first) #}
     <script src="{{ url_for('static', path='shared/js/log-config.js') }}"></script>
 
-    {# 2. Global Shop Configuration (currency/locale settings) #}
+    {# 2. Global Shop Configuration (resolved via PlatformSettingsService) #}
     <script>
         window.SHOP_CONFIG = {
-            locale: '{{ storefront_locale | default("fr-LU") }}',
-            currency: '{{ storefront_currency | default("EUR") }}',
-            language: '{{ request.state.language|default("fr") }}'
+            locale: '{{ storefront_locale }}',
+            currency: '{{ storefront_currency }}',
+            language: '{{ request.state.language }}'
         };
     </script>
 
diff --git a/app/templates/vendor/base.html b/app/templates/vendor/base.html
index ca5d3082..499b7e94 100644
--- a/app/templates/vendor/base.html
+++ b/app/templates/vendor/base.html
@@ -50,6 +50,15 @@
     <!-- 1. FIRST: Log Configuration -->
     <script src="{{ url_for('static', path='shared/js/log-config.js') }}"></script>
 
+    <!-- 1.5: Vendor Configuration (resolved via PlatformSettingsService) -->
+    <script>
+        window.VENDOR_CONFIG = {
+            locale: '{{ storefront_locale }}',
+            currency: '{{ storefront_currency }}',
+            dashboardLanguage: '{{ dashboard_language }}'
+        };
+    </script>
+
     <!-- 2. SECOND: Icons (before Alpine.js) -->
     <script src="{{ url_for('static', path='shared/js/icons.js') }}"></script>