Update app.py

app.py

@@ -13,6 +13,47 @@ load_dotenv()
 os.environ["OPENAI_API_KEY"] = os.getenv("OPENAI_API_KEY")
 os.environ["ANTHROPIC_API_KEY"] = os.getenv("ANTHROPIC_API_KEY")
 
+# UI Styling
+st.markdown(
+    """
+    <style>
+    .stButton button {
+        background-color: #1F6FEB;
+        color: white;
+        border-radius: 8px;
+        border: none;
+        padding: 10px 20px;
+        font-weight: bold;
+    }
+    .stButton button:hover {
+        background-color: #1A4FC5;
+    }
+    .stTextInput > div > input {
+        border: 1px solid #30363D;
+        background-color: #161B22;
+        color: #C9D1D9;
+        border-radius: 6px;
+        padding: 10px;
+    }
+    .stFileUploader > div {
+        border: 2px dashed #30363D;
+        background-color: #161B22;
+        color: #C9D1D9;
+        border-radius: 6px;
+        padding: 10px;
+    }
+    .response-box {
+        background-color: #161B22;
+        padding: 10px;
+        border-radius: 6px;
+        margin-bottom: 10px;
+        color: #FFFFFF;
+    }
+    </style>
+    """,
+    unsafe_allow_html=True
+)
+
 st.title("Excel Q&A Chatbot 📊")
 
 # Model Selection