diff --git a/modules/shared/auth/ui/home.php b/modules/shared/auth/ui/home.php
index 8337ada..804aa2b 100644
--- a/modules/shared/auth/ui/home.php
+++ b/modules/shared/auth/ui/home.php
@@ -927,6 +927,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $otcM
     echo "const renderLeftNavigation = (moduleName) => {";
     echo "  const title = document.querySelector('[data-left-navigation-title]');";
     echo "  const contentTitle = document.querySelector('[data-left-navigation-content-title]');";
+    echo "  const contentSection = document.querySelector('.sg-left-navigation-pattern__group-card--content');";
     echo "  const contentBody = document.querySelector('[data-left-navigation-content-body]');";
     echo "  const menu = document.getElementById('left-navigation-menu');";
     echo "  if (title) { title.textContent = moduleName; }";
@@ -934,6 +935,7 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $otcM
     echo "  const entries = portalModuleNavigation[moduleName] || [];";
     echo "  const activeEntry = entries[0] || '';";
     echo "  if (contentTitle) { contentTitle.textContent = activeEntry; }";
+    echo "  if (contentSection) { contentSection.setAttribute('aria-hidden', 'false'); }";
     echo "  if (contentBody) { contentBody.innerHTML = portalModuleContentCards[activeEntry] || ''; }";
     echo "  if (activeEntry === 'Bestellungen') { initBestellungenBindings(); }";
     echo "  if (activeEntry === 'Marktdurchführungen') { initMarketsBindings(); }";
@@ -955,9 +957,10 @@ function render_auth_home_page(array $user, array $otcProducts = [], array $otcM
     echo "      menu.querySelectorAll('.sg-tab-button').forEach((otherButton) => {";
     echo "        otherButton.setAttribute('aria-selected', String(otherButton === button));";
     echo "      });";
-    echo "      const entryName = button.textContent.trim();";
-    echo "      if (contentTitle) { contentTitle.textContent = entryName; }";
-    echo "      if (contentBody) { contentBody.innerHTML = portalModuleContentCards[entryName] || ''; }";
+      echo "      const entryName = button.textContent.trim();";
+      echo "      if (contentTitle) { contentTitle.textContent = entryName; }";
+      echo "      if (contentSection) { contentSection.setAttribute('aria-hidden', 'false'); }";
+      echo "      if (contentBody) { contentBody.innerHTML = portalModuleContentCards[entryName] || ''; }";
     echo "      if (entryName === 'Bestellungen') { initBestellungenBindings(); }";
     echo "      if (entryName === 'Marktdurchführungen') { initMarketsBindings(); }";
     echo "      if (entryName === 'Märkte') { initMarketDefinitionsBindings(); }";