Fix: CSS 수정

Author: ces0135-hub

src/components/ChatStyles.css

@@ -781,8 +781,7 @@
 
 .chat-content-area {
  flex: 1;
- background-color: #222;
- /* 검은색 배경 */
+ background-color: #c4f871;
  display: flex;
  flex-direction: column;
 }
@@ -920,7 +919,7 @@
 /* 채팅 콘텐츠 영역 (우측 검은 영역) */
 .chat-content-area {
  flex: 1;
- background-color: #222;
+ background-color: #f0fbf1;
  /* 검은색 배경 */
  display: flex;
  flex-direction: column;
@@ -931,7 +930,7 @@
  justify-content: center;
  align-items: center;
  height: 100%;
- color: #fff;
+ color: #222;
  font-size: 18px;
  flex-direction: column;
 }