import os, types, streamlit as st

# Fetch the hidden code from env var
app_code = os.environ.get("APP_CODE", "")

def execute_code(code_str):
    module = types.ModuleType("dynamic_app")
    try:
        exec(code_str, module.__dict__)
        if hasattr(module, "main"):
            module.main()
    except Exception as e:
        st.error(f"Error in hidden code: {e}")

if app_code:
    execute_code(app_code)
else:
    st.error("APP_CODE is empty. Did you set it?")