Update Scribe mobile custom prompt bar UI

scribe/lib/scribe/ai/presentation/styles/ai_scribe_styles.dart

@@ -16,6 +16,18 @@ abstract final class AIScribeColors {
 
   // Overlays
   static final Color dialogBarrier = Colors.black.withValues(alpha: 0.12);
+
+  // Gradients
+  static const LinearGradient barGradient = LinearGradient(
+    begin: Alignment.centerLeft,
+    end: Alignment.centerRight,
+    colors: [
+      Color.fromRGBO(0, 183, 255, 0.90),
+      Color.fromRGBO(224, 109, 209, 0.90),
+      Color.fromRGBO(232, 167, 138, 0.90),
+    ],
+    stops: [0.0, 0.75, 1.0],
+  );
 }
 
 abstract final class AIScribeShadows {
@@ -131,6 +143,7 @@ abstract final class AIScribeSizes {
   static const double aiAssistantIconRadius = 8;
   static const double contentCardRadius = 16;
   static const double improveButtonBorderRadius = 4;
+  static const double bottomBarRadius = 28;
 
   // Width / height
   static const double menuItemHeight = 40;

scribe/lib/scribe/ai/presentation/widgets/mobile/ai_scribe_mobile_actions_bottom_sheet.dart

@@ -1,4 +1,3 @@
-import 'package:core/presentation/extensions/color_extension.dart';
 import 'package:core/presentation/resources/image_paths.dart';
 import 'package:core/presentation/views/button/tmail_button_widget.dart';
 import 'package:flutter/material.dart';
@@ -154,33 +153,16 @@ class _AiScribeMobileActionsBottomSheetState
     );
   }
 
-  Widget _buildBottomBar(BuildContext context) {
+  Widget _buildBottomBarContent(BuildContext context) {
     if (!widget.showCustomPromptBar) {
       return const SizedBox.shrink();
     }
     
-    return Column(
-      mainAxisSize: MainAxisSize.min,
-      children: [
-        const Divider(
-          height: 1,
-          thickness: 1,
-          color: AppColor.colorDividerComposer,
-        ),
-        Padding(
-          padding: EdgeInsets.only(
-            bottom: MediaQuery.of(context).viewInsets.bottom + 8.0,
-            left: 16.0,
-            right: 16.0,
-            top: 8.0,
-          ),
-          child: AIScribeBar(
+    return AIScribeBar(
       onCustomPrompt: _onCustomPromptSubmit,
       imagePaths: widget.imagePaths,
-            boxShadow: const [],
-          ),
-        ),
-      ],
+      borderRadius: AIScribeSizes.bottomBarRadius,
+      hintStyle: AIScribeTextStyles.searchBar,
     );
   }
 
@@ -203,6 +185,9 @@ class _AiScribeMobileActionsBottomSheetState
     
     final hasContent = widget.content?.isNotEmpty ?? false;
 
+    final bottomBarPadding = MediaQuery.of(context).viewInsets.bottom + 16.0;
+    final bottomBarInset = bottomBarPadding + (widget.showCustomPromptBar ? AIScribeSizes.searchBarMaxHeight : 0.0);
+
     return PointerInterceptor(
       child: Container(
         height: double.infinity,
@@ -210,6 +195,10 @@ class _AiScribeMobileActionsBottomSheetState
           color: AIScribeColors.background,
         ),
         child: SafeArea(
+          child: Stack(
+            children: [
+              Padding(
+                padding: EdgeInsets.only(bottom: bottomBarInset),
                 child: Column(
                   mainAxisAlignment: MainAxisAlignment.spaceBetween,
                   crossAxisAlignment: CrossAxisAlignment.stretch,
@@ -235,7 +224,15 @@ class _AiScribeMobileActionsBottomSheetState
                         ],
                       ),
                     ),
-              _buildBottomBar(context),
+                  ],
+                ),
+              ),
+              Positioned(
+                bottom: bottomBarPadding,
+                left: 16.0,
+                right: 16.0,
+                child: _buildBottomBarContent(context),
+              ),
             ],
           ),
         ),

scribe/lib/scribe/ai/presentation/widgets/search/ai_scribe_bar.dart

@@ -9,13 +9,15 @@ typedef OnCustomPromptCallback = void Function(String customPrompt);
 class AIScribeBar extends StatefulWidget {
   final OnCustomPromptCallback onCustomPrompt;
   final ImagePaths imagePaths;
-  final List<BoxShadow>? boxShadow;
+  final double? borderRadius;
+  final TextStyle? hintStyle;
 
   const AIScribeBar({
     super.key,
     required this.onCustomPrompt,
     required this.imagePaths,
-    this.boxShadow,
+    this.borderRadius,
+    this.hintStyle,
   });
 
   @override
@@ -65,15 +67,21 @@ class _AIScribeBarState extends State<AIScribeBar> {
 
   @override
   Widget build(BuildContext context) {
+    final borderRadius = BorderRadius.circular(widget.borderRadius ?? AIScribeSizes.searchBarRadius);
+
     return Container(
+      padding: const EdgeInsets.all(2),
+      decoration: BoxDecoration(
+        borderRadius: borderRadius,
+        gradient: AIScribeColors.barGradient,
+      ),
+      child: ClipRRect(
+        borderRadius: borderRadius,
+        child: Container(
           width: AIScribeSizes.searchBarWidth,
           padding: AIScribeSizes.searchBarPadding,
-      decoration: BoxDecoration(
-        borderRadius: const BorderRadius.all(
-          Radius.circular(AIScribeSizes.searchBarRadius),
-        ),
+          decoration: const BoxDecoration(
             color: AIScribeColors.background,
-        boxShadow: widget.boxShadow ?? AIScribeShadows.modal,
           ),
           constraints: const BoxConstraints(
             maxHeight: AIScribeSizes.searchBarMaxHeight,
@@ -90,7 +98,7 @@ class _AIScribeBarState extends State<AIScribeBar> {
                     focusNode: _textFieldFocusNode,
                     decoration: InputDecoration(
                       hintText: ScribeLocalizations.of(context).customPromptAction,
-                  hintStyle: AIScribeTextStyles.searchBarHint,
+                      hintStyle: widget.hintStyle ?? AIScribeTextStyles.searchBarHint,
                       border: InputBorder.none,
                       contentPadding: const EdgeInsets.symmetric(vertical: 8),
                       isDense: true,
@@ -120,6 +128,8 @@ class _AIScribeBarState extends State<AIScribeBar> {
               ),
             ],
           ),
+        ),
+      ),
     );
   }