diff --git a/app/ui/templates/components/top_workspace_bar.html b/app/ui/templates/components/top_workspace_bar.html
index d816d6d..88f49b4 100644
--- a/app/ui/templates/components/top_workspace_bar.html
+++ b/app/ui/templates/components/top_workspace_bar.html
@@ -1,5 +1,5 @@
 {% set _uiux_full_width_header = ('System Admin' in (ui_roles|default([], true))) or ('Firm Admin' in (ui_roles|default([], true))) or ('Partner' in (ui_roles|default([], true))) or ('Manager' in (ui_roles|default([], true))) or ('Branch Manager' in (ui_roles|default([], true))) or ('Staff' in (ui_roles|default([], true))) or ('Employee' in (ui_roles|default([], true))) or ('Client' in (ui_roles|default([], true))) or ('Consultant' in (ui_roles|default([], true))) %}
-<header class="sticky top-0 z-40 border-b border-slate-200/70 {{ 'bg-white/95' if _uiux_full_width_header else 'bg-slate-100/85' }} backdrop-blur-xl">
+<header data-uiux-shared-header="true" class="sticky top-0 z-40 border-b border-slate-200/70 {{ 'bg-white/95' if _uiux_full_width_header else 'bg-slate-100/85' }} backdrop-blur-xl">
   <div class="{{ 'w-full px-4 py-3 sm:px-6 lg:px-8' if _uiux_full_width_header else 'mx-auto max-w-[1500px] px-3 py-3 sm:px-6 lg:px-8' }}">
     <div class="{{ 'border-0 bg-transparent px-0 py-0 shadow-none' if _uiux_full_width_header else 'rounded-3xl border border-slate-200 bg-white/95 px-3 py-3 shadow-soft sm:px-4' }}">
       <div class="flex items-center gap-2 sm:gap-3">
@@ -141,3 +141,85 @@
     </div>
   </div>
 </header>
+
+<script>
+(function () {
+  "use strict";
+
+  if (window.__uiuxSharedHeaderDropdownAutoCloseV1) {
+    return;
+  }
+  window.__uiuxSharedHeaderDropdownAutoCloseV1 = true;
+
+  function getHeader() {
+    return document.querySelector('[data-uiux-shared-header="true"]');
+  }
+
+  function getDropdowns() {
+    var header = getHeader();
+    return header ? Array.prototype.slice.call(header.querySelectorAll('details')) : [];
+  }
+
+  function closeDropdown(dropdown) {
+    if (dropdown && dropdown.open) {
+      dropdown.open = false;
+    }
+  }
+
+  function closeAll(exceptDropdown) {
+    getDropdowns().forEach(function (dropdown) {
+      if (dropdown !== exceptDropdown) {
+        closeDropdown(dropdown);
+      }
+    });
+  }
+
+  document.addEventListener('click', function (event) {
+    var header = getHeader();
+    if (!header) {
+      return;
+    }
+
+    var clickedDropdown = event.target.closest('details');
+    if (!clickedDropdown || !header.contains(clickedDropdown)) {
+      closeAll(null);
+      return;
+    }
+
+    if (event.target.closest('a[href]')) {
+      closeDropdown(clickedDropdown);
+    }
+  });
+
+  document.addEventListener('keydown', function (event) {
+    if (event.key !== 'Escape') {
+      return;
+    }
+
+    var openDropdowns = getDropdowns().filter(function (dropdown) {
+      return dropdown.open;
+    });
+
+    if (!openDropdowns.length) {
+      return;
+    }
+
+    openDropdowns.forEach(closeDropdown);
+
+    var lastDropdown = openDropdowns[openDropdowns.length - 1];
+    var summary = lastDropdown.querySelector('summary');
+    if (summary && typeof summary.focus === 'function') {
+      summary.focus();
+    }
+  });
+
+  getDropdowns().forEach(function (dropdown) {
+    dropdown.addEventListener('toggle', function () {
+      if (dropdown.open) {
+        closeAll(dropdown);
+      }
+    });
+  });
+})();
+</script>
+