diff --git a/lib/common/dialog_textfield_dropdown.dart b/lib/common/dialog_textfield_dropdown.dart
index 807f3417..9c508f28 100644
--- a/lib/common/dialog_textfield_dropdown.dart
+++ b/lib/common/dialog_textfield_dropdown.dart
@@ -20,15 +20,22 @@ class DialogTextfieldDropdown extends StatefulWidget {
 
 class _DialogTextfieldDropdownState extends State<DialogTextfieldDropdown> {
   bool _isOpen = false;
-  late OverlayEntry _overlayEntry;
+  OverlayEntry? _overlayEntry;
   final TextEditingController _controller = TextEditingController();
-  late List<String> _filteredItems; // Filtered items list
+  final FocusNode _focusNode = FocusNode();
+  List<String> _filteredItems = [];
 
   @override
   void initState() {
     super.initState();
-    _controller.text = widget.initialValue ?? 'Select Tag';
-    _filteredItems = List.from(widget.items); // Initialize filtered items
+    _controller.text = widget.initialValue ?? '';
+    _filteredItems = List.from(widget.items);
+
+    _focusNode.addListener(() {
+      if (!_focusNode.hasFocus) {
+        _closeDropdown();
+      }
+    });
   }
 
   void _toggleDropdown() {
@@ -41,13 +48,16 @@ class _DialogTextfieldDropdownState extends State<DialogTextfieldDropdown> {
 
   void _openDropdown() {
     _overlayEntry = _createOverlayEntry();
-    Overlay.of(context).insert(_overlayEntry);
+    Overlay.of(context).insert(_overlayEntry!);
     _isOpen = true;
   }
 
   void _closeDropdown() {
-    _overlayEntry.remove();
-    _isOpen = false;
+    if (_isOpen && _overlayEntry != null) {
+      _overlayEntry!.remove();
+      _overlayEntry = null;
+      _isOpen = false;
+    }
   }
 
   OverlayEntry _createOverlayEntry() {
@@ -58,9 +68,7 @@ class _DialogTextfieldDropdownState extends State<DialogTextfieldDropdown> {
     return OverlayEntry(
       builder: (context) {
         return GestureDetector(
-          onTap: () {
-            _closeDropdown();
-          },
+          onTap: _closeDropdown,
           behavior: HitTestBehavior.translucent,
           child: Stack(
             children: [
@@ -72,40 +80,26 @@ class _DialogTextfieldDropdownState extends State<DialogTextfieldDropdown> {
                   elevation: 4.0,
                   child: Container(
                     color: ColorsManager.whiteColors,
-                    constraints: const BoxConstraints(
-                      maxHeight: 200.0,
-                    ),
-                    child: ListView.builder(
-                      shrinkWrap: true,
-                      itemCount: _filteredItems.length,
-                      itemBuilder: (context, index) {
-                        final item = _filteredItems[index];
-                        return Container(
-                          decoration: const BoxDecoration(
-                            border: Border(
-                              bottom: BorderSide(
-                                color: ColorsManager.lightGrayBorderColor,
-                                width: 1.0,
+                    constraints: const BoxConstraints(maxHeight: 200.0),
+                    child: StatefulBuilder(
+                      builder: (context, setStateDropdown) {
+                        return ListView.builder(
+                          shrinkWrap: true,
+                          itemCount: _filteredItems.length,
+                          itemBuilder: (context, index) {
+                            final item = _filteredItems[index];
+                            return ListTile(
+                              title: Text(
+                                item,
+                                style: const TextStyle(color: Colors.black),
                               ),
-                            ),
-                          ),
-                          child: ListTile(
-                            title: Text(item,
-                                style: Theme.of(context)
-                                    .textTheme
-                                    .bodyMedium
-                                    ?.copyWith(
-                                        color: ColorsManager.textPrimaryColor)),
-                            onTap: () {
-                              _controller.text = item;
-                              widget.onSelected(item);
-                              setState(() {
-                                _filteredItems
-                                    .remove(item); // Remove selected item
-                              });
-                              _closeDropdown();
-                            },
-                          ),
+                              onTap: () {
+                                _controller.text = item;
+                                widget.onSelected(item);
+                                _closeDropdown();
+                              },
+                            );
+                          },
                         );
                       },
                     ),
@@ -122,7 +116,8 @@ class _DialogTextfieldDropdownState extends State<DialogTextfieldDropdown> {
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
-      onTap: _toggleDropdown,
+      onTap: () => FocusScope.of(context).unfocus(),
+      behavior: HitTestBehavior.opaque,
       child: Container(
         padding: const EdgeInsets.symmetric(horizontal: 12.0, vertical: 8.0),
         decoration: BoxDecoration(
@@ -135,23 +130,26 @@ class _DialogTextfieldDropdownState extends State<DialogTextfieldDropdown> {
             Expanded(
               child: TextFormField(
                 controller: _controller,
-                onChanged: (value) {
-                  setState(() {
-                    _filteredItems = widget.items
-                        .where((item) =>
-                            item.toLowerCase().contains(value.toLowerCase()))
-                        .toList(); // Filter items dynamically
-                  });
+                focusNode: _focusNode,
+                onFieldSubmitted: (value) {
                   widget.onSelected(value);
+                  _closeDropdown();
                 },
-                style: Theme.of(context).textTheme.bodyMedium,
+                onTapOutside: (event) {
+                  widget.onSelected(_controller.text);
+                  _closeDropdown();
+                },
+                style: const TextStyle(color: Colors.black),
                 decoration: const InputDecoration(
-                  hintText: 'Enter or Select tag',
+                  hintText: 'Enter or Select a tag',
                   border: InputBorder.none,
                 ),
               ),
             ),
-            const Icon(Icons.arrow_drop_down),
+            GestureDetector(
+              onTap: _toggleDropdown,
+              child: const Icon(Icons.arrow_drop_down),
+            ),
           ],
         ),
       ),