import streamlit as st
from datetime import date
from dateutil.relativedelta import relativedelta

# Configure the page
st.set_page_config(page_title="Age Calculator", layout="centered")

# Title and intro
st.title("🎂 Age Calculator")
st.subheader("Find your exact age in Years, Months, and Days")

# Min and max date
min_dob = date(1950, 1, 1)
max_dob = date.today()

# Date input with limits
dob = st.date_input("📅 Select your Date of Birth", min_value=min_dob, max_value=max_dob, value=date(2000, 1, 1))

# Buttons
col1, col2, col3 = st.columns(3)
with col1:
    calculate = st.button("🔢 Calculate Age")
with col2:
    clear = st.button("🗑️ Clear")
with col3:
    exit_btn = st.button("❌ Exit")

# Logic
if calculate:
    today = date.today()
    diff = relativedelta(today, dob)
    st.success(f"🎉 You are {diff.years} years, {diff.months} months, and {diff.days} days old!")

if clear:
    st.experimental_rerun()

if exit_btn:
    st.warning("App exited.")
    st.stop()

# Footer
st.markdown("---")
st.caption("Built with ❤️ using Streamlit")