app.py

import streamlit as st
from groq import Groq
import os

# API key from secrets
client = Groq(api_key=os.getenv("GROQ_API_KEY"))

st.set_page_config(page_title="AI Chatbot", page_icon="🤖")

st.title("🤖 AI Chatbot (Groq)")
st.write("Powered by Groq ⚡")

# Chat memory
if "messages" not in st.session_state:
    st.session_state.messages = []

# Show messages
for msg in st.session_state.messages:
    with st.chat_message(msg["role"]):
        st.markdown(msg["content"])

# Input
user_input = st.chat_input("Type your message...")

if user_input:
    st.session_state.messages.append({"role": "user", "content": user_input})

    with st.chat_message("user"):
        st.markdown(user_input)

    with st.chat_message("assistant"):
        with st.spinner("Thinking..."):
            response = client.chat.completions.create(
                model="llama-3.1-8b-instant",
                messages=st.session_state.messages,
                max_tokens=500
            )
            reply = response.choices[0].message.content
            st.markdown(reply)

    st.session_state.messages.append({"role": "assistant", "content": reply})