Update app.py

app.py

@@ -45,7 +45,7 @@ def respond(
 
 def format_response(response: str) -> str:
     """Format the response with collapsible thinking sections"""
-    response = response.replace("<think>", '<details><summary>Show thinking 🧠</summary><div class="thoughts">')
+    response = response.replace("<think>", '<details open><summary>Show thinking 🧠</summary><div class="thoughts">')
     response = response.replace("</think>", "</div></details>")
     return response
 
@@ -54,14 +54,16 @@ css = """
 .thoughts {
     border: 1px solid #ccc;
     padding: 10px;
-    background-color: #f8f9fa;
+    background-color: #000000;
+    color: #ffffff;
     border-radius: 5px;
     margin: 5px 0;
 }
 details summary {
     cursor: pointer;
     padding: 5px;
-    background-color: #eee;
+    background-color: #000000;
+    color: #ffffff;
     border-radius: 5px;
     font-weight: bold;
     margin: 5px 0;