Update app.py

app.py

@@ -2,144 +2,127 @@ import streamlit as st
 from prompt_builder import build_prompt 
 from model_api import query_model 
 
+# 1. Page Configuration
 st.set_page_config(page_title="FitPlan AI", layout="wide")
 
-# Optimized CSS for Unified Daily Cards
+# 2. UI Styling (Login & Unified Day Cards)
 st.markdown("""
     <style>
     .stApp { background: linear-gradient(135deg, #f6d365 0%, #fda085 100%); background-attachment: fixed; }
     section[data-testid="stSidebar"] { background-color: #000000 !important; }
-    section[data-testid="stSidebar"] h1, section[data-testid="stSidebar"] p { color: #FFFFFF !important; }
     
-    /* Assessment Card */
-    .assessment-card { 
-        background-color: white !important; padding: 25px; border-radius: 15px; 
-        border-left: 10px solid #004d57; color: #000000 !important; margin-bottom: 30px;
-    }
-
-    /* Single Unified White Box Per Day */
+    /* Login Container */
+    .login-box { background: white; padding: 40px; border-radius: 20px; box-shadow: 0 10px 25px rgba(0,0,0,0.1); max-width: 450px; margin: 80px auto; text-align: center; }
+    
+    /* Unified White Box Per Day */
     .day-container { 
         background-color: white !important; 
         padding: 30px; 
         border-radius: 25px; 
-        margin-bottom: 40px; 
-        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
+        margin-bottom: 35px; 
+        box-shadow: 0 10px 30px rgba(0,0,0,0.08);
+        border-left: 12px solid #004d57;
     }
+    .day-header { color: #004d57; font-size: 26px; font-weight: bold; border-bottom: 2px solid #f0f2f6; padding-bottom: 15px; margin-bottom: 20px; }
     
-    .day-header { 
-        color: #004d57; 
-        font-size: 26px; 
-        font-weight: bold; 
-        margin-bottom: 20px; 
-        display: flex; 
-        align-items: center;
-        border-bottom: 2px solid #f0f2f6;
-        padding-bottom: 15px;
-    }
-
-    /* Clean Exercise Rows inside the Unified Box */
-    .exercise-row { 
-        display: flex; 
-        align-items: center; 
-        justify-content: space-between; 
-        padding: 18px 0;
-        border-bottom: 1px solid #f1f1f1;
-    }
+    /* Exercise Row Alignment */
+    .exercise-row { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; border-bottom: 1px solid #f1f1f1; }
     .exercise-row:last-child { border-bottom: none; }
-
-    .ex-name { flex: 2; font-weight: 600; color: #2d3436; font-size: 18px; display: flex; align-items: center; }
-    
+    .ex-name { flex: 2; font-weight: 600; color: #2d3436; font-size: 18px; }
     .stat-group { display: flex; gap: 15px; flex: 1.5; justify-content: flex-end; }
-    
-    .stat-pill { 
-        text-align: center; 
-        min-width: 75px; 
-        background: #f8f9fa; 
-        padding: 6px; 
-        border-radius: 12px;
-    }
-    
+    .stat-pill { background: #f8f9fa; padding: 6px 12px; border-radius: 12px; text-align: center; min-width: 75px; }
     .stat-val { color: #004d57; font-weight: bold; font-size: 15px; display: block; }
-    .stat-label { font-size: 10px; color: #636e72; text-transform: uppercase; display: block; margin-top: 2px; }
+    .stat-label { font-size: 10px; color: #636e72; text-transform: uppercase; }
     </style>
     """, unsafe_allow_html=True)
 
+# 3. Session State for Authentication
+if 'logged_in' not in st.session_state: st.session_state.logged_in = False
+if 'user_email' not in st.session_state: st.session_state.user_email = ""
 if 'page' not in st.session_state: st.session_state.page = 'input'
-if 'workout_plan' not in st.session_state: st.session_state.workout_plan = None
 
-# --- SIDEBAR ---
-with st.sidebar:
-    st.markdown("# 👤 Personalised Fitness Plan")
-    if st.session_state.page == 'result':
-        if st.button("⬅️ Back to Profile"):
-            st.session_state.page = 'input'
-            st.rerun()
-
-# --- INPUT PAGE ---
-if st.session_state.page == 'input':
-    st.title("🏋️ Fitness Profile")
-    col1, col2, col3 = st.columns([2, 1, 1])
-    with col1: name = st.text_input("Name")
-    with col2: gender = st.selectbox("Gender", ["Male", "Female", "Other"])
-    with col3: age = st.number_input("Age", min_value=1, value=19)
+# --- LOGIN PAGE ---
+if not st.session_state.logged_in:
+    st.markdown('<div class="login-box">', unsafe_allow_html=True)
+    st.title("🏋️ FitPlan AI Login")
+    st.write("Enter your email to access the generator")
+    email_input = st.text_input("Email Address", placeholder="example@email.com")
     
-    h, w = st.columns(2)
-    with h: height = st.number_input("Height (cm)", min_value=1.0)
-    with w: weight = st.number_input("Weight (kg)", min_value=1.0)
-    
-    goal = st.selectbox("Goal", ["Build Muscle", "Weight Loss", "Strength", "Flexibility"])
-    level = st.selectbox("Fitness Level", ["Beginner", "Intermediate", "Advanced"])
-    equip = st.multiselect("Equipment", ["Dumbbells", "Kettlebells", "Pull-up Bar", "Resistance Bands", "Yoga Mat", "No Equipment"])
-
-    if st.button("Generate Plan"):
-        prompt, bmi, bmi_status, status_color = build_prompt(name, gender, age, height, weight, goal, level, equip)
-        with st.spinner("Crafting your unified routine..."):
-            raw_workout = query_model(prompt)
-            st.session_state.workout_plan = raw_workout
-            st.session_state.assessment_data = {"name": name, "bmi": bmi, "status": bmi_status, "color": status_color, "age": age, "gender": gender}
-            st.session_state.page = 'result'
+    if st.button("Login"):
+        if "@" in email_input and "." in email_input:
+            st.session_state.logged_in = True
+            st.session_state.user_email = email_input
             st.rerun()
+        else:
+            st.error("Please enter a valid email address.")
+    st.markdown('</div>', unsafe_allow_html=True)
 
-# --- RESULT PAGE ---
-elif st.session_state.page == 'result':
-    d = st.session_state.assessment_data
-    st.markdown(f'<div class="assessment-card"><h2>Hello {d["name"]}</h2><p>{d["gender"]} | {d["age"]} Years Old</p><p>BMI: <strong>{d["bmi"]:.2f}</strong> | <span style="color:{d["color"]}">{d["status"]}</span></p></div>', unsafe_allow_html=True)
+# --- PROTECTED GENERATOR CONTENT ---
+else:
+    with st.sidebar:
+        st.markdown(f"👤 **{st.session_state.user_email}**")
+        if st.button("New Profile"): 
+            st.session_state.page = 'input'
+            st.rerun()
+        if st.button("Logout"):
+            st.session_state.logged_in = False
+            st.rerun()
 
-    raw_content = st.session_state.workout_plan
-    days = ["Day 1:", "Day 2:", "Day 3:", "Day 4:", "Day 5:"]
-    
-    for i in range(len(days)):
-        start = raw_content.find(days[i])
-        if start != -1:
-            end = raw_content.find(days[i+1]) if i+1 < len(days) else len(raw_content)
-            day_text = raw_content[start:end].strip()
-            
-            # Open Single White Day Container
-            st.markdown(f'<div class="day-container"><div class="day-header">🔷 {days[i][:-1]}</div>', unsafe_allow_html=True)
-            
-            lines = day_text.split("\n")
-            for line in lines:
-                if "|" in line:
-                    parts = [p.strip() for p in line.replace("- ", "").split("|")]
-                    if len(parts) == 4:
-                        ex_name, sets, reps, rest = parts
-                        st.markdown(f"""
-                            <div class="exercise-row">
-                                <div class="ex-name">🔥 {ex_name}</div>
-                                <div class="stat-group">
-                                    <div class="stat-pill"><span class="stat-val">{sets}</span><span class="stat-label">Sets</span></div>
-                                    <div class="stat-pill"><span class="stat-val">{reps}</span><span class="stat-label">Reps</span></div>
-                                    <div class="stat-pill" style="background:#fff3e0;"><span class="stat-val" style="color:#e65100;">{rest}</span><span class="stat-label">Rest</span></div>
-                                </div>
-                            </div>
-                        """, unsafe_allow_html=True)
-            
-            if "Rest" in day_text or "Recovery" in day_text:
-                st.markdown('<p style="color:#636e72; font-style:italic; padding-top:10px;">🧘 Recovery Day: Focused on flexibility and rest.</p>', unsafe_allow_html=True)
-            
-            st.markdown('</div>', unsafe_allow_html=True) # Close Day Container
+    if st.session_state.page == 'input':
+        st.title("🚀 Fitness Plan Generator")
+        c1, c2, c3 = st.columns([2, 1, 1])
+        with c1: name = st.text_input("Name")
+        with c2: gender = st.selectbox("Gender", ["Male", "Female", "Other"])
+        with c3: age = st.number_input("Age", min_value=1, value=19)
+        
+        h, w = st.columns(2)
+        with h: height = st.number_input("Height (cm)", min_value=1.0)
+        with w: weight = st.number_input("Weight (kg)", min_value=1.0)
+        
+        goal = st.selectbox("Goal", ["Build Muscle", "Weight Loss", "Strength", "Flexibility"])
+        level = st.selectbox("Fitness Level", ["Beginner", "Intermediate", "Advanced"])
+        equip = st.multiselect("Equipment", ["Dumbbells", "Kettlebells", "Pull-up Bar", "Resistance Bands", "Yoga Mat", "No Equipment"])
 
-    st.download_button("📥 Download Full Plan", data=raw_content, file_name=f"{d['name']}_Workout.txt")
+        if st.button("Generate My Routine"):
+            prompt, bmi, bmi_status, status_color = build_prompt(name, gender, age, height, weight, goal, level, equip)
+            with st.spinner("AI is building your unified plan..."):
+                raw_workout = query_model(prompt)
+                st.session_state.workout_plan = raw_workout
+                st.session_state.assessment_data = {"name": name, "bmi": bmi, "status": bmi_status, "color": status_color, "age": age, "gender": gender}
+                st.session_state.page = 'result'
+                st.rerun()
 
-           
-    
+    elif st.session_state.page == 'result':
+        d = st.session_state.assessment_data
+        st.title("📋 Your Personalized Routine")
+        
+        raw_content = st.session_state.workout_plan
+        days = ["Day 1:", "Day 2:", "Day 3:", "Day 4:", "Day 5:"]
+        
+        for i in range(len(days)):
+            start = raw_content.find(days[i])
+            if start != -1:
+                end = raw_content.find(days[i+1]) if i+1 < len(days) else len(raw_content)
+                day_text = raw_content[start:end].strip()
+                
+                # Unified Day Card
+                st.markdown(f'<div class="day-container"><div class="day-header">🔹 {days[i][:-1]}</div>', unsafe_allow_html=True)
+                
+                for line in day_text.split("\n"):
+                    if "|" in line:
+                        parts = [p.strip() for p in line.replace("- ", "").split("|")]
+                        if len(parts) == 4:
+                            ex_name, sets, reps, rest = parts
+                            st.markdown(f"""
+                                <div class="exercise-row">
+                                    <div class="ex-name">🔥 {ex_name}</div>
+                                    <div class="stat-group">
+                                        <div class="stat-pill"><span class="stat-val">{sets}</span><span class="stat-label">Sets</span></div>
+                                        <div class="stat-pill"><span class="stat-val">{reps}</span><span class="stat-label">Reps</span></div>
+                                        <div class="stat-pill" style="background:#fff3e0;"><span class="stat-val" style="color:#e65100;">{rest}</span><span class="stat-label">Rest</span></div>
+                                    </div>
+                                </div>
+                            """, unsafe_allow_html=True)
+                st.markdown('</div>', unsafe_allow_html=True)
+        
+        st.download_button("📥 Download Plan", data=raw_content, file_name=f"{d['name']}_Workout.txt")