diff --git a/internal/handlers/export.go b/internal/handlers/export.go
index 63ba70f..c943d94 100644
--- a/internal/handlers/export.go
+++ b/internal/handlers/export.go
@@ -150,7 +150,7 @@ func (h *ExportHandler) ExportConfigCSV(c *gin.Context) {
 	uuid := c.Param("uuid")
 
 	// Get config before streaming (can return JSON error)
-	config, err := h.configService.GetByUUID(uuid, h.dbUsername)
+	config, err := h.configService.GetByUUIDNoAuth(uuid)
 	if err != nil {
 		RespondError(c, http.StatusNotFound, "resource not found", err)
 		return
@@ -232,7 +232,7 @@ func (h *ExportHandler) ExportConfigPricingCSV(c *gin.Context) {
 		return
 	}
 
-	config, err := h.configService.GetByUUID(uuid, h.dbUsername)
+	config, err := h.configService.GetByUUIDNoAuth(uuid)
 	if err != nil {
 		RespondError(c, http.StatusNotFound, "resource not found", err)
 		return
diff --git a/internal/handlers/export_test.go b/internal/handlers/export_test.go
index da8cf1d..e12f3c0 100644
--- a/internal/handlers/export_test.go
+++ b/internal/handlers/export_test.go
@@ -26,6 +26,10 @@ func (m *mockConfigService) GetByUUID(uuid string, ownerUsername string) (*model
 	return m.config, m.err
 }
 
+func (m *mockConfigService) GetByUUIDNoAuth(uuid string) (*models.Configuration, error) {
+	return m.config, m.err
+}
+
 func TestExportCSV_Success(t *testing.T) {
 	gin.SetMode(gin.TestMode)
 
diff --git a/internal/services/configuration.go b/internal/services/configuration.go
index 8fcaec6..b64e50e 100644
--- a/internal/services/configuration.go
+++ b/internal/services/configuration.go
@@ -18,6 +18,7 @@ var (
 // Used by handlers to work with both ConfigurationService and LocalConfigurationService
 type ConfigurationGetter interface {
 	GetByUUID(uuid string, ownerUsername string) (*models.Configuration, error)
+	GetByUUIDNoAuth(uuid string) (*models.Configuration, error)
 }
 
 type ConfigurationService struct {
diff --git a/web/templates/configs.html b/web/templates/configs.html
index 2d3488d..735553e 100644
--- a/web/templates/configs.html
+++ b/web/templates/configs.html
@@ -247,7 +247,7 @@ function renderConfigs(configs) {
 
     configs.forEach(c => {
         const date = new Date(c.created_at).toLocaleDateString('ru-RU');
-        const total = c.total_price ? '$' + c.total_price.toLocaleString('en-US', {minimumFractionDigits: 2}) : '—';
+        const total = c.total_price ? '$' + c.total_price.toLocaleString('ru-RU', {minimumFractionDigits: 2}) : '—';
         const serverCount = c.server_count ? c.server_count : 1;
         const author = c.owner_username || (c.user && c.user.username) || '—';
         const projectName = c.project_uuid && projectNameByUUID[c.project_uuid]
@@ -258,7 +258,7 @@ function renderConfigs(configs) {
         let pricePerUnit = '—';
         if (c.total_price && serverCount > 0) {
             const unitPrice = c.total_price / serverCount;
-            pricePerUnit = '$' + unitPrice.toLocaleString('en-US', {minimumFractionDigits: 2});
+            pricePerUnit = '$' + unitPrice.toLocaleString('ru-RU', {minimumFractionDigits: 2});
         }
 
         html += '<tr class="hover:bg-gray-50">';
diff --git a/web/templates/index.html b/web/templates/index.html
index 6f03bbf..9f105d1 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -2584,7 +2584,7 @@ function formatDiffPercent(baseTotal, compareTotal, compareLabel) {
     }
     const pct = ((baseTotal - compareTotal) / compareTotal) * 100;
     const sign = pct > 0 ? '+' : '';
-    return `${sign}${pct.toFixed(1)}% от ${compareLabel}`;
+    return `${sign}${pct.toFixed(1).replace('.', ',')}% от ${compareLabel}`;
 }
 
 function getTotalClass(current, references) {
@@ -2709,7 +2709,7 @@ function calculateCustomPrice() {
 
     // Show discount info
     discountInfoEl.classList.remove('hidden');
-    discountPercentEl.textContent = discountPercent.toFixed(1) + '%';
+    discountPercentEl.textContent = discountPercent.toFixed(1).replace('.', ',') + '%';
 
     // Update discount color based on value
     const discountEl = discountPercentEl;
@@ -4272,7 +4272,7 @@ function applyCustomPrice(table) {
         if (est <= 0) return '';
         const pct = ((est - custom) / est * 100);
         const sign = pct >= 0 ? '-' : '+';
-        return ` (${sign}${Math.abs(pct).toFixed(1)}%)`;
+        return ` (${sign}${Math.abs(pct).toFixed(1).replace('.', ',')}%)`;
     };
     const _pctClass = (custom, est) => custom <= est ? 'text-green-600' : 'text-red-600';
 
@@ -4365,7 +4365,7 @@ function setPricingCustomPriceFromVendor() {
     const totalEl = document.getElementById('pricing-total-buy-vendor');
     if (hasAny) {
         document.getElementById('pricing-custom-price-buy').value = total.toFixed(2);
-        const pct = estimateTotal > 0 ? ` (-${((estimateTotal - total) / estimateTotal * 100).toFixed(1)}%)` : '';
+        const pct = estimateTotal > 0 ? ` (-${((estimateTotal - total) / estimateTotal * 100).toFixed(1).replace('.', ',')}%)` : '';
         totalEl.textContent = formatCurrency(total) + pct;
         totalEl.className = totalEl.className.replace(/\btext-(?:green|red)-\d+\b/g, '').trim();
         totalEl.classList.add(total <= estimateTotal ? 'text-green-600' : 'text-red-600');
diff --git a/web/templates/pricelist_detail.html b/web/templates/pricelist_detail.html
index 44b5427..6757457 100644
--- a/web/templates/pricelist_detail.html
+++ b/web/templates/pricelist_detail.html
@@ -243,7 +243,7 @@
         const descMax = stock ? 30 : 60;
 
         const html = items.map(item => {
-            const price = item.price.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
+            const price = item.price.toLocaleString('ru-RU', { minimumFractionDigits: 2, maximumFractionDigits: 2 });
             const description = item.lot_description || '-';
             const truncatedDesc = description.length > descMax ? description.substring(0, descMax) + '...' : description;
 
diff --git a/web/templates/project_detail.html b/web/templates/project_detail.html
index 6898383..1a1f4f4 100644
--- a/web/templates/project_detail.html
+++ b/web/templates/project_detail.html
@@ -339,7 +339,7 @@ function escapeHtml(text) {
 
 function formatMoneyNoDecimals(value) {
     const safe = Number.isFinite(Number(value)) ? Number(value) : 0;
-    return '$' + Math.round(safe).toLocaleString('en-US');
+    return '$' + Math.round(safe).toLocaleString('ru-RU');
 }
 
 function resolveProjectTrackerURL(projectData) {
diff --git a/web/templates/projects.html b/web/templates/projects.html
index 6c1f30d..c585fbd 100644
--- a/web/templates/projects.html
+++ b/web/templates/projects.html
@@ -81,7 +81,7 @@ function escapeHtml(text) {
 }
 
 function formatMoney(v) {
-    return '$' + (v || 0).toLocaleString('en-US', {minimumFractionDigits: 2});
+    return '$' + (v || 0).toLocaleString('ru-RU', {minimumFractionDigits: 2});
 }
 
 function formatDateTime(value) {