Style changes

app.py

@@ -12,6 +12,7 @@ custom_css = """
 }
 .source-box {
     background-color: #f0f0f0;
+    color: black;
     padding: 10px;
     border-radius: 5px;
     margin: 5px 0;

llm_rag_setup.py

@@ -128,7 +128,7 @@ def init_rag():
             top_p=0.95,
             repetition_penalty=1.1,
         )
-        
+
         llm = ChatHuggingFace(llm=llm_endpoint)
         print("✅ HuggingFace LLM initialized (Qwen2.5-7B-Instruct)")
     except Exception as e:
@@ -208,5 +208,6 @@ def query_rag(question: str):
     except Exception as e:
         print(f"❌ Error querying RAG: {e}")
         import traceback
+
         traceback.print_exc()
         return None