feat(CommentItem, PostDetailScreen, ReportDialog): integrate report functionality

- Added report button to CommentItem for reporting comments and replies.
- Integrated ReportDialog into PostDetailScreen for handling report submissions.
- Enhanced ReportDialog with detailed report reasons and improved UI interactions.
- Updated styles across various components for a more modern look and feel.

Made-with: Cursor

src/screens/message/components/ChatScreen/styles.ts

@@ -432,18 +432,34 @@ export function createChatScreenStyles(colors: AppColors) {
     transform: [{ translateY: -1 }],
   },
   
-  // 发送按钮
+  // 发送按钮 - QQ/微信风格
   sendButtonActive: {
-    width: 38,
-    height: 30,
-    borderRadius: 15,
+    width: 36,
+    height: 36,
+    borderRadius: 18,  // 正圆形
     backgroundColor: colors.primary.main,
     alignItems: 'center',
     justifyContent: 'center',
-    ...shadows.md,
+    // 微信风格：轻微阴影，不夸张
+    shadowColor: colors.primary.main,
+    shadowOffset: { width: 0, height: 1 },
+    shadowOpacity: 0.2,
+    shadowRadius: 3,
+    elevation: 2,
   },
   sendButtonDisabled: {
-    opacity: 0.6,
+    opacity: 0.4,
+  },
+  // 发送按钮光泽层（叠加在按钮上模拟渐变）
+  sendButtonShine: {
+    position: 'absolute',
+    top: 0,
+    left: 0,
+    right: 0,
+    height: '50%',
+    borderTopLeftRadius: 18,
+    borderTopRightRadius: 18,
+    backgroundColor: 'rgba(255, 255, 255, 0.08)',
   },
   
   // 输入框