diff --git a/config.py b/config.py
index f6402c3..2a43c9c 100644
--- a/config.py
+++ b/config.py
@@ -19,9 +19,9 @@
 
 # ── Groq LLM ──────────────────────────────────────────────────────────────────
 GROQ_MODEL   = "llama3-8b-8192x"       
-MAX_TOKENS   = 10                      
-TEMPERATURE  = 2.0                     
-GROQ_ENV_VAR = "GROQ_KEY"             
+MAX_TOKENS   = 512                      
+TEMPERATURE  = 0.7                     
+GROQ_API_KEY = os.getenv("GROQ_API_KEY")         
 
 # ── LangChain / Embeddings ────────────────────────────────────────────────────
 EMBEDDING_MODEL = "sentence-transformers/all-MiniLM-L6-v2"
@@ -30,7 +30,7 @@
 TOP_K_CHUNKS    = 5
 
 # ── Security ──────────────────────────────────────────────────────────────────
-JWT_SECRET    = ""                     
+JWT_SECRET   = os.getenv("JWT_SECRET", "dev_secret_key_123")                     
 JWT_ALGORITHM = "HS256"
 ACCESS_TOKEN_EXPIRE_MINUTES = 30