diff --git a/custom_subtabs/public/js/custom_subtabs.js b/custom_subtabs/public/js/custom_subtabs.js
index 8d9ef4c..c380ad5 100644
--- a/custom_subtabs/public/js/custom_subtabs.js
+++ b/custom_subtabs/public/js/custom_subtabs.js
@@ -93,22 +93,22 @@ function setup_custom_subtabs(wrapper, currentDoctype) {
     function ensureParentChainVisible(subtabName) {
         let currentChild = subtabName;
         const parentsToShow = [];
-        
+
         // Collect parent chain
         while (childToParentMap[currentChild]) {
             const parentName = childToParentMap[currentChild];
             parentsToShow.push(parentName);
-            
-            // Show all siblings
+
+            // Show all siblings - НЕ используем .show(), используем CSS класс
             const siblings = subtabs[parentName] || [];
             siblings.forEach(sibling => {
                 const siblingElement = wrapper.find(`.sub-tab[data-subtab-name="${sibling}"]`);
-                siblingElement.show();
+                siblingElement.css('display', ''); // Убираем inline style
             });
-            
+
             currentChild = parentName;
         }
-        
+
         // Show all parent content
         parentsToShow.forEach(parentName => {
             const parentTabContentId = `${currentDoctype.toLowerCase().replace(/\s+/g, '-')}-${parentName.toLowerCase().replace(/\s+/g, '_')}_tab`;
@@ -123,33 +123,44 @@ function setup_custom_subtabs(wrapper, currentDoctype) {
     wrapper.on("click.customsubtabs", ".sub-tab button.nav-link, .sub-tab a.nav-link", function(event) {
         event.preventDefault();
         event.stopPropagation();
-        
+
         const clickedButton = $(this);
         const clickedSubtab = clickedButton.closest(".sub-tab");
         const subtabName = clickedSubtab.attr("data-subtab-name");
         const targetId = clickedButton.attr("data-target-id") || clickedButton.attr("aria-controls");
-        
+        const parentContainerId = clickedSubtab.attr("data-parent-id");
+
         // Temporarily disable shown.bs.tab handler
         wrapper.off('shown.bs.tab.customsubtabs');
-        
+
         // Hide all tabs and content
         wrapper.find(".nav-item").removeClass("active");
         wrapper.find("button.nav-link, a.nav-link").removeClass("active").attr("aria-selected", "false");
         wrapper.find(".tab-pane").removeClass("active show");
-        
+
+        // Скрыть все контейнеры субтабов, кроме родительского
+        wrapper.find(".sub-tab-container").each(function() {
+            const containerParentId = $(this).attr("data-parent-id");
+            if (containerParentId !== parentContainerId) {
+                $(this).addClass("subtab-hidden");
+            } else {
+                $(this).removeClass("subtab-hidden");
+            }
+        });
+
         // Activate subtab
         clickedSubtab.addClass("active");
         clickedButton.addClass("active").attr("aria-selected", "true");
-        
+
         // Show subtab content
         const targetPane = $(`#${targetId}`);
         if (targetPane.length) {
             targetPane.addClass("active show");
         }
-        
+
         // Show parent chain
         ensureParentChainVisible(subtabName);
-        
+
         // Restore shown.bs.tab handler
         setTimeout(() => {
             setupMainTabHandler();
@@ -200,6 +211,18 @@ function setup_custom_subtabs(wrapper, currentDoctype) {
     // Initialize handler
     setupMainTabHandler();
 
+    // Инициализация: скрыть все контейнеры, кроме активного таба
+    const activeMainTab = wrapper.find("ul.form-tabs > li.nav-item.active:not(.sub-tab)").first();
+    const activeTabLink = getTabLink(activeMainTab);
+    const activeTabId = activeTabLink.attr("aria-controls");
+
+    wrapper.find(".sub-tab-container").each(function() {
+        const containerParentId = $(this).attr("data-parent-id");
+        if (containerParentId !== activeTabId) {
+            $(this).addClass("subtab-hidden");
+        }
+    });
+
     // Mark as processed
     wrapper.attr('data-subtabs-processed', 'true');
 }