Update app.css

app.css

@@ -306,4 +306,30 @@ iframe {
 
 footer, .footer, div[class*="footer"], #footer {
   display: none !important;
+}
+
+/* 우측 패널 스타일 */
+.right_panel {
+    background: white;
+    border-radius: 15px;
+    padding: 20px;
+    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
+    height: calc(100vh - 100px);
+    min-height: 800px;
+}
+
+/* 반응형 높이 조정 */
+@media screen and (max-height: 900px) {
+    .right_panel {
+        height: calc(100vh - 80px);
+        min-height: 600px;
+    }
+    .html_content {
+        height: calc(100vh - 160px);
+        min-height: 500px;
+    }
+    .ant-input-textarea-large textarea {
+        height: 300px !important;
+        min-height: 300px !important;
+    }
 }