Update app.py

app.py

@@ -260,7 +260,8 @@ def bot_reply(user_msg, history):
                      "• `styles` — Premium/Energetic/Fun")
     
     history = history or []
-    history.append([user_msg, reply])
+    history.append({"role": "user", "content": user_msg})
+    history.append({"role": "assistant", "content": reply})
     return history, ""
 
 # ══════════════════════════════════════════════════════════════════
@@ -567,17 +568,8 @@ def generate(images, caption, style, language, duration, add_aud, add_cap, progr
 # ══════════════════════════════════════════════════════════════════
 #  UI
 # ══════════════════════════════════════════════════════════════════
-css = """
-#title{text-align:center;font-size:2.3rem;font-weight:900;background:linear-gradient(135deg,#a855f7,#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
-#sub{text-align:center;color:#aaa;margin-bottom:1.2rem;font-size:1rem}
-.insight{font-family:monospace;font-size:.86rem;line-height:1.75}
-.bot-container{border:1px solid #3a3a5c;border-radius:12px;padding:0;overflow:hidden}
-.save-row{gap:8px}
-.feature-badge{display:inline-block;background:linear-gradient(135deg,#7c3aed,#db2777);color:white;padding:2px 10px;border-radius:99px;font-size:.75rem;margin:2px}
-.tab-label{font-weight:700}
-"""
-
-with gr.Blocks(css=css) as demo:
+
+with gr.Blocks() as demo:
     gr.Markdown("# 🎬 AI Reel Generator", elem_id="title")
     gr.Markdown(
         "Upload 1-5 images → AI auto-detects category → cinematic reel + smart posting strategy\n\n"
@@ -682,7 +674,8 @@ with gr.Blocks(css=css) as demo:
             bot_chatbox = gr.Chatbot(
                 label="💬 Chat with ReelBot",
                 height=420,
-                value=[[None, WELCOME_MSG]],
+                type="messages",
+                value=[{"role": "assistant", "content": WELCOME_MSG}],
             )
 
             with gr.Row():
@@ -811,4 +804,4 @@ with gr.Blocks(css=css) as demo:
     )
 
 if __name__ == "__main__":
-    demo.launch(theme=gr.themes.Soft(primary_hue="violet"))
+    demo.launch()