Create app.py

app.py

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+import streamlit as st
+from transformers import AutoTokenizer, AutoModelForSeq2SeqLM
+import torch
+
+# 1. Basic Configuration
+st.set_page_config(page_title="FitPlan AI", page_icon="💪", layout="centered")
+
+def load_model():
+    tokenizer = AutoTokenizer.from_pretrained("google/flan-t5-base")
+    model = AutoModelForSeq2SeqLM.from_pretrained("google/flan-t5-base")
+    return tokenizer, model
+ 
+tokenizer, model = load_model()
+
+generator = load_model()
+# 2. Enhanced CSS
+st.markdown("""
+<style>
+    /* Full Page Background */
+    [data-testid="stAppViewContainer"] {
+        background: linear-gradient(rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.75)), 
+                    url("https://images.unsplash.com/photo-1517836357463-d25dfeac3438?q=80&w=2070&auto=format&fit=crop");
+        background-size: cover;
+        background-position: center;
+        background-attachment: fixed;
+    }
+    /* Hide the "Press Enter to submit form" hint globally */
+    [data-testid="InputInstructions"] {
+        display: none !important;
+    }
+    /* Form Container Polish */
+    div[data-testid="stForm"] {
+        background-color: rgba(255, 255, 255, 0.98) !important;
+        padding: 3rem !important;
+        border-radius: 20px !important;
+        border: none !important;
+        box-shadow: 0 15px 35px rgba(0,0,0,0.5);
+    }
+    /* --- FONT SIZE UPDATES --- */
+    /* Main Title (FitPlan AI) */
+    .main-title {
+        color: #FFFFFF !important;
+        font-size: 60px !important;
+        font-weight: 850 !important;
+        text-align: center;
+        margin-bottom: 0px;
+        text-shadow: 3px 3px 6px rgba(0,0,0,0.9);
+        font-family: 'Helvetica Neue', sans-serif;
+    }
+    /* Subtitle (Your personalized gym companion) */
+    .sub-title {
+        color: #E0E0E0 !important;
+        font-size: 24px !important;
+        text-align: center;
+        margin-top: -10px;
+        margin-bottom: 40px;
+        font-style: italic;
+        text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
+    }
+    /* Form Section Headers (Orange) */
+    .form-header {
+        color: #f97316 !important;
+        font-size: 22px !important;
+        font-weight: bold !important;
+        text-transform: uppercase;
+        letter-spacing: 1px;
+    }
+    /* Labels for inputs */
+    label p {
+        font-size: 18px !important;
+        color: #1e293b !important;
+        font-weight: 600 !important;
+    }
+    /* Button Styling */
+    .stButton > button {
+        width: 100%;
+        background: linear-gradient(90deg, #f97316, #ea580c) !important;
+        color: white !important;
+        font-size: 20px !important;
+        font-weight: bold !important;
+        height: 3.5rem !important;
+        border-radius: 12px !important;
+        border: none !important;
+        margin-top: 20px;
+    }
+</style>
+""", unsafe_allow_html=True)
+
+# --------------------------------------------------
+# UI Header Section
+# --------------------------------------------------
+st.markdown('<p class="main-title">💪 FitPlan AI</p>', unsafe_allow_html=True)
+st.markdown('<p class="sub-title">Your personalized gym companion</p>', unsafe_allow_html=True)
+
+# --------------------------------------------------
+# Fitness Profile Form
+# --------------------------------------------------
+with st.form("fitness_form", clear_on_submit=False):
+    st.markdown('<p class="form-header">🧍‍♂️ 1. PERSONAL INFORMATION</p>', unsafe_allow_html=True)
+    
+    name = st.text_input("Full Name *", placeholder="Enter your full name")
+
+    col1, col2 = st.columns(2)
+    with col1:
+        height = st.number_input("Height (cm) *", min_value=0.0, step=1.0, value=0.0)
+    with col2:
+        weight = st.number_input("Weight (kg) *", min_value=0.0, step=0.1, value=0.0)
+
+    st.markdown("<br>", unsafe_allow_html=True)
+    st.markdown('<p class="form-header">🏋️ 2. FITNESS DETAILS</p>', unsafe_allow_html=True)
+    
+    goal = st.selectbox("Fitness Goal", ["Build Muscle", "Weight Loss", "Strength Gain", "Abs Building", "Flexible"])
+    
+    equipment = st.multiselect("Available Equipment", 
+                               ["Dumbbells", "Resistance Band", "Yoga Mat", "Kettlebell", "Pull-up Bar", "No Equipment"],
+                               default=["No Equipment"])
+    
+    level = st.radio("Fitness Level", ["Beginner", "Intermediate", "Advanced"], horizontal=True)
+
+    # SUBMIT BUTTON
+if st.button(" Submit Profile"):
+ 
+    if not name:
+        st.error("Please enter your name.")
+ 
+    elif height <= 0 or weight <= 0:
+        st.error("Please enter valid height and weight.")
+ 
+    elif not equipment:
+        st.error("Please select at least one equipment option.")
+ 
+    else:
+        st.success(" Profile Submitted Successfully!")
+ 
+        bmi_status = bmi_category(bmi)
+        equipment_list = ", ".join(equipment)
+ 
+        prompt = f"""
+You are a certified professional fitness trainer.
+ 
+Create a detailed 5-day workout plan.
+ 
+User Information:
+- Gender: {gender}
+- BMI: {bmi:.2f} ({bmi_status})
+- Goal: {goal}
+- Fitness Level: {fitness_level}
+- Equipment Available: {equipment_list}
+ 
+Start directly with:
+ 
+Day 1:
+"""
+ 
+        with st.spinner("Generating your AI workout plan..."):
+ 
+            inputs = tokenizer(prompt, return_tensors="pt", truncation=True)
+ 
+            outputs = model.generate(
+                **inputs,
+                max_new_tokens=900,
+                temperature=0.7,
+                do_sample=True
+            )
+ 
+            result = tokenizer.decode(outputs[0], skip_special_tokens=True).strip()
+ 
+        st.subheader(" Your Personalized Workout Plan")
+        st.write(result)