Update app.py

app.py

@@ -8,10 +8,27 @@ import traceback
 import sys
 from dotenv import load_dotenv
 import json
+load_dotenv()
 
 st.set_page_config(layout="wide", page_title="Generatore Excel AI")
+st.title("📊 Generatore Excel AI")
+
+if "logged" not in st.session_state:
+    st.session_state.logged = False
+if st.session_state.logged == False:
+    login_placeholder = st.empty()
+    with login_placeholder.container():
+        container = st.container(border=True)
+        username = container.text_input('Username')
+        password = container.text_input('Passowrd', type='password')
+        login = container.button('  Login  ', type='primary')
+    if not login or username != os.getenv("LOGIN_USER") or  password != os.getenv("LOGIN_PASSWORD"):
+        if login:
+            st.error('Password Errata')
+        st.stop()
+    st.session_state.logged = True
+    login_placeholder.empty()
 
-load_dotenv()
 API_KEY = os.getenv("API_HUGGINGFACE")
 BASE_URL = "https://matteoscript-ai.hf.space/v1/"
 MODEL_NAME = "gemini-2.5-flash-preview-05-20" # Sostituisci con il tuo modello preferito
@@ -284,7 +301,6 @@ def render_sidebar():
         )
 
 def render_main_content():
-    st.title("📊 Generatore Excel AI")
     st.markdown("Definisci richiesta e numero Fogli, poi l'AI **pianificherà, genererà, collegherà** e tenterà di auto-correggere gli script dei fogli")
 
     if st.sidebar.button("💡 Pianifica Fogli con AI", type="primary", use_container_width=True):