pages/calcular_pedido

# pages/calcular_pedido.py
import streamlit as st

def show():
    st.title("🧾 Calcular Pedido")

    def calcular_total():
        total = 0
        for pedido in st.session_state.get("pedidos", []):
            total += pedido["cantidad"] * pedido["precio"]
        return total

    if 'pedidos' in st.session_state and st.session_state.pedidos:
        total = calcular_total()
        st.write(f"### Total: ${total:.2f}")
    else:
        st.warning("No hay pedidos para calcular.")