button update in preview

lib/screens/preview_screen.dart

@@ -812,51 +812,6 @@ Widget build(BuildContext context) {
         ? const Center(child: CircularProgressIndicator())
         : Stack(
             children: [
-            if (_mappedBullets.isNotEmpty)
-              Padding(
-                padding: const EdgeInsets.fromLTRB(16, 12, 16, 8),
-                child: SizedBox(
-                  width: double.infinity,
-                  child: ElevatedButton.icon(
-                    onPressed: () async {
-                      if (!_isEditMode && _mappedBullets.length < widget.bulletCount) {
-                        final result = await _showMismatchOptionsDialog(_mappedBullets.length);
-
-                        if (result == 'retry') {
-                          Navigator.pop(context);
-                          return;
-                        } else if (result == 'manual') {
-                          _manualScoreEntry();
-                          return;
-                        } else {
-                          return;
-                        }
-                      }
-
-                      setState(() {
-                        _isEditMode = !_isEditMode;
-                        _selectedBulletIndexInEdit = null;
-                      });
-                    },
-                    icon: Icon(
-                      _isEditMode ? Icons.check : Icons.edit,
-                      color: Colors.white,
-                      size: 20,
-                    ),
-                    label: Text(
-                      _isEditMode ? "Done Editing" : "Edit Bullets",
-                      style: const TextStyle(color: Colors.white, fontSize: 16),
-                    ),
-                    style: ElevatedButton.styleFrom(
-                      backgroundColor: Colors.red,
-                      padding: const EdgeInsets.symmetric(vertical: 14),
-                      shape: RoundedRectangleBorder(
-                        borderRadius: BorderRadius.circular(12),
-                      ),
-                    ),
-                  ),
-                ),
-              ),
               Column(
                 children: [
                   Expanded(
@@ -1103,8 +1058,61 @@ Widget build(BuildContext context) {
                 ],
               ),
               _buildEditController(),
+              if (_mappedBullets.isNotEmpty)
+                Positioned(
+                  top: 16,
+                  right: 16,
+                  child: GestureDetector(
+                    onTap: () async {
+                      if (!_isEditMode && _mappedBullets.length < widget.bulletCount) {
+                        final result = await _showMismatchOptionsDialog(_mappedBullets.length);
+
+                        if (result == 'retry') {
+                          Navigator.pop(context);
+                          return;
+                        } else if (result == 'manual') {
+                          _manualScoreEntry();
+                          return;
+                        } else {
+                          return;
+                        }
+                      }
+
+                      setState(() {
+                        _isEditMode = !_isEditMode;
+                        _selectedBulletIndexInEdit = null;
+                      });
+                    },
+                    child: Container(
+                      width: 60,
+                      height: 60,
+                      decoration: BoxDecoration(
+                        color: _isEditMode
+                            ? Colors.red
+                            : (_mappedBullets.length < widget.bulletCount ? Colors.redAccent : _bulletColor),
+                        shape: BoxShape.circle,
+                        boxShadow: const [
+                          BoxShadow(
+                            color: Colors.black26,
+                            offset: Offset(0, 3),
+                            blurRadius: 6,
+                          ),
+                        ],
+                      ),
+                      child: Icon(
+                        _isEditMode
+                            ? Icons.check
+                            : (_mappedBullets.length < widget.bulletCount
+                                ? Icons.warning_amber_rounded
+                                : Icons.edit),
+                        color: Colors.white,
+                        size: 28,
+                      ),
+                    ),
+                  ),
+                ),
             ],
-          ),
+        ),
     bottomNavigationBar: BottomAppBar(
       color: Colors.grey[900],
       child: SizedBox(

lib/screens/settings_screen.dart

@@ -451,5 +451,4 @@ void _showBulletColorPopup() {
   );
 }
 
-
 }