create app.py

app.py

@@ -0,0 +1,29 @@
+import streamlit as st
+from retriever import get_recommendations
+from tools import estimate_footprint
+
+st.set_page_config(page_title="EcoAdvisor 🌱", layout="centered")
+
+st.title("🌍 EcoAdvisor")
+st.markdown("#### Get personalized tips to live a more sustainable life.")
+
+with st.form("sustainability_form"):
+    st.subheader("🏠 Your Lifestyle Details")
+
+    transport = st.selectbox("How do you usually commute?", ["Car", "Public Transport", "Cycle/Walk", "Electric Vehicle"])
+    diet = st.selectbox("Your diet type:", ["Meat-heavy", "Mixed", "Vegetarian", "Vegan"])
+    electricity = st.slider("Monthly electricity use (kWh)", 50, 1000, 300)
+    shopping_freq = st.selectbox("How often do you buy new clothes?", ["Every week", "Monthly", "Rarely", "Only when needed"])
+
+    submitted = st.form_submit_button("Get My Eco Plan")
+
+if submitted:
+    footprint_score = estimate_footprint(transport, diet, electricity, shopping_freq)
+    recommendations = get_recommendations(transport, diet, electricity, shopping_freq)
+
+    st.success(f"♻️ Your estimated carbon impact score: **{footprint_score}/100** (lower is better)")
+    st.markdown("---")
+    st.subheader("🌱 Personalized Sustainability Tips")
+
+    for rec in recommendations:
+        st.markdown(f"- {rec}")