imprroved

lib/view/dashboard/dashboard_screen.dart

@@ -582,7 +582,6 @@ Widget build(BuildContext context) {
                       children: [
                         _quickActions(),
                         MySpacing.height(20),
-                        _sectionTitle('Modules'),
                         _dashboardModules(),
                         MySpacing.height(20),
                         _sectionTitle('Reports & Analytics'),

lib/view/dashboard/gemini_chat_card.dart

@@ -56,6 +56,13 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
       parent: _animController,
       curve: Curves.easeInOut,
     );
+
+    // Add initial welcome message
+    _chatHistory.add({
+      'sender': 'ai',
+      'message':
+          'Hello! I am your AI assistant. How can I help you today? You can ask general questions or use the chart button below to analyze your monthly expenses.',
+    });
   }
 
   // Scroll helper
@@ -152,6 +159,7 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
     final placeholderIndex = _chatHistory.length - 1;
 
     try {
+      // NOTE: Assuming GeminiService.generateText handles the API call
       final result = await GeminiService.generateText(promptText);
       if (placeholderIndex >= 0 &&
           _chatHistory.length > placeholderIndex) {
@@ -191,11 +199,16 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
 
     try {
       await widget.dashboardController.fetchMonthlyExpenses();
+      // NOTE: Assuming monthlyExpenseList contains a list of objects that have a .toJson() method
       final rawDataList = widget.dashboardController.monthlyExpenseList;
 
       if (rawDataList.isEmpty) {
         _error.value = "No monthly expense data found for analysis.";
-        _chatHistory.removeAt(placeholderIndex);
+        if (placeholderIndex >= 0 &&
+            _chatHistory.length > placeholderIndex) {
+          _chatHistory.removeAt(placeholderIndex);
+        }
+        _isAnalyzingData.value = false;
         return;
       }
 
@@ -435,7 +448,7 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
                                 ),
                                 onSubmitted: (_) =>
                                     _handlePromptSubmission(),
-                                enabled: !_isAnalyzingData.value,
+                                enabled: !_isAnalyzingData.value && !_isLoading.value,
                               ),
                             ),
                             Obx(
@@ -449,7 +462,7 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
                                             .isEmpty)
                                     ? null
                                     : _handlePromptSubmission,
-                                icon: _isLoading.value
+                                icon: _isLoading.value && _promptController.text.trim().isNotEmpty // Show loading only for text submission
                                     ? SizedBox(
                                         width: 18,
                                         height: 18,
@@ -493,17 +506,21 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
           onPressed: _toggleOpen,
           heroTag: 'gemini_fab',
           backgroundColor: contentTheme.primary,
-          icon: const Icon(LucideIcons.bot),
+          icon: const Icon(LucideIcons.bot, color: Colors.white),
           label: const Text(
             'Ask Me Anything',
-            style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600),
+            style: TextStyle(
+              fontSize: 14,
+              fontWeight: FontWeight.w600,
+              color: Colors.white,
+            ),
           ),
         ),
       ),
     );
   }
 
-  // Dim background when open
+  // Dim background when open - Full screen scrim
   Widget _buildScrim() {
     return Obx(
       () => _isOpen.value
@@ -511,8 +528,11 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
               opacity: _opacityAnimation,
               child: GestureDetector(
                 onTap: _toggleOpen,
-                child: Container(
-                  color: Colors.black.withOpacity(0.25),
+                // Use Positioned.fill to guarantee it covers the entire Stack
+                child: const Positioned.fill( 
+                  child: ColoredBox(
+                    color: Colors.black38, // Use Colors.black38 for 38% opacity, slightly stronger than 0.25
+                  ),
                 ),
               ),
             )
@@ -522,19 +542,25 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
 
   @override
   Widget build(BuildContext context) {
-    return Stack(
-      children: [
-        // Scrim behind panel
-        _buildScrim(),
-        // Panel
-        _buildFloatingPanel(context),
-        // FAB
-        Positioned(
-          bottom: 16,
-          right: 16,
-          child: _buildFab(),
-        ),
-      ],
+    // Wrap the Stack in SizedBox.expand to force the widget to take the full space
+    // of its parent, which is typically the whole screen area in a dashboard.
+    return SizedBox.expand(
+      child: Stack(
+        children: [
+          // 1. Scrim (Background layer when open) - Now using Positioned.fill for reliability
+          _buildScrim(),
+          
+          // 2. Panel (Middle layer when open)
+          _buildFloatingPanel(context),
+          
+          // 3. FAB (Top layer when closed)
+          Positioned(
+            bottom: 16,
+            right: 16,
+            child: _buildFab(),
+          ),
+        ],
+      ),
     );
   }
 
@@ -545,4 +571,4 @@ class _GeminiFloatingAssistantState extends State<GeminiFloatingAssistant>
     _animController.dispose();
     super.dispose();
   }
-}
+}