Update app.py

app.py

@@ -133,7 +133,7 @@ custom_css = """
 
     /* Clear History Button: Light Red */
     #clear-history {
-        background-color: #f5a4a4; /* Light red */
+        background-color: #f04e4e; /* Slightly Darker red */
         color: white;
         border: none;
         border-radius: 8px;
@@ -144,7 +144,7 @@ custom_css = """
         margin-top: -180px;
     }
     #clear-history:hover {
-        background-color: #f04e4e; /* Slightly darker red */
+        background-color: #f5a4a4; /* Light red */
     }
     #clear-history:active {
         transform: scale(0.95);