feat: Enhance contact agent bottom sheet layout with max height and safe area, and refine send request button styling.

lib/features/agents/presentation/screens/agent_detail_screen.dart

@@ -1664,18 +1664,19 @@ class _ConnectModalContentState extends State<_ConnectModalContent> {
     return Padding(
       padding: EdgeInsets.only(bottom: MediaQuery.of(context).viewInsets.bottom),
       child: Container(
+        constraints: BoxConstraints(
+          maxHeight: MediaQuery.of(context).size.height * 0.85,
+        ),
         decoration: const BoxDecoration(
           color: Colors.white,
           borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
         ),
-        padding: EdgeInsets.fromLTRB(
+        child: SafeArea(
-          24,
+          top: false,
-          24,
+          child: SingleChildScrollView(
-          24,
+            padding: const EdgeInsets.fromLTRB(24, 24, 24, 24),
-          24 + MediaQuery.of(context).padding.bottom,
+            child: _success ? _buildSuccessContent() : _buildFormContent(),
-        ),
+          ),
-        child: SingleChildScrollView(
-          child: _success ? _buildSuccessContent() : _buildFormContent(),
         ),
       ),
     );
@@ -1860,19 +1861,25 @@ class _ConnectModalContentState extends State<_ConnectModalContent> {
                   onPressed: _isSubmitting ? null : _handleSend,
                   style: ElevatedButton.styleFrom(
                     backgroundColor: AppColors.accentOrange,
+                    foregroundColor: Colors.white,
                     disabledBackgroundColor:
                         AppColors.accentOrange.withValues(alpha: 0.5),
+                    disabledForegroundColor: Colors.white,
                     shape: RoundedRectangleBorder(
                       borderRadius: BorderRadius.circular(24),
                     ),
+                    padding: const EdgeInsets.symmetric(horizontal: 16),
                   ),
-                  child: Text(
+                  child: FittedBox(
-                    _isSubmitting ? 'Sending...' : 'Send Request',
+                    fit: BoxFit.scaleDown,
-                    style: const TextStyle(
+                    child: Text(
-                      fontFamily: 'Fractul',
+                      _isSubmitting ? 'Sending...' : 'Send Request',
-                      fontSize: 14,
+                      style: const TextStyle(
-                      fontWeight: FontWeight.w600,
+                        fontFamily: 'Fractul',
-                      color: Colors.white,
+                        fontSize: 14,
+                        fontWeight: FontWeight.w600,
+                        color: Colors.white,
+                      ),
                     ),
                   ),
                 ),