优化和重构代码，增加前端可以设置加密配置数据的密钥

app/components/chat.module.scss

@@ -79,17 +79,6 @@
       pointer-events: none;
     }
 
-    .icon {
-      display: flex;
-      align-items: center;
-      justify-content: center;
-
-      svg {
-        width: 16px;
-        height: 16px;
-      }
-    }
-
     &:hover {
       --delay: 0.5s;
       width: var(--full-width);
@@ -410,8 +399,8 @@
 
     button {
       padding: 7px;
+    }
   }
-}
 
   /* Specific styles for iOS devices */
   @media screen and (max-device-width: 812px) and (-webkit-min-device-pixel-ratio: 2) {
@@ -761,4 +750,4 @@
       transform: translateX(0);
     }
   }
-}
+}