Update app.py

app.py

@@ -6,155 +6,324 @@ import re
 # ------------------------------
 # Page Setup
 # ------------------------------
-st.set_page_config(page_title="AI For Everyone", layout="centered")
+st.set_page_config(page_title="AI For Everyone", layout="wide")
 
 # ------------------------------
-# Quiz Data
+# Analytics persistence
 # ------------------------------
-ai_modules = {
+if "analytics" not in st.session_state:
+    st.session_state.analytics = {}
+
+# ------------------------------
+# Quiz Modules (10 topics)
+# ------------------------------
+modules = {
     "What is AI?": {
-        "intro": "Artificial Intelligence (AI) means teaching machines to think, learn, and act like humans. AI can recognize images, understand voices, play games, and even help doctors.",
+        "intro": [
+            "Artificial Intelligence (AI) is the field of computer science that aims to create machines capable of intelligent behavior.",
+            "It involves building systems that can learn from data, reason through logic, perceive their environment, and make decisions.",
+            "AI is used in everyday applications like voice assistants, image recognition, and recommendation engines.",
+            "It draws on statistics, data mining, and machine learning algorithms.",
+            "AI can help automate repetitive tasks, saving time and reducing human error.",
+            "It powers self-driving cars, fraud detection systems, and smart healthcare tools.",
+            "There are different levels—such as narrow AI (task-specific) and general AI (multi-purpose).",
+            "Narrow AI is what we have today; general AI remains a future goal.",
+            "Understanding AI helps individuals adapt to the changing job market.",
+            "Ethical AI usage ensures fairness, transparency, and privacy.",
+            "Learning AI foundations enables you to innovate in various industries.",
+            "As data becomes central to modern life, AI skills become more essential."
+        ],
         "quiz": [
-            {"question": "What does AI stand for?", "options": ["Artificial Intelligence", "Automatic Internet", "Advanced Input", "Auto Instruction"], "answer": "Artificial Intelligence"},
-            {"question": "Which is an example of AI?", "options": ["Fan", "Refrigerator", "Google Assistant", "Iron"], "answer": "Google Assistant"},
-            {"question": "AI can help in which of these?", "options": ["Cooking", "Driving", "Sleeping", "None"], "answer": "Driving"},
-            {"question": "What is NOT an AI skill?", "options": ["Talking", "Sleeping", "Recognizing faces", "Learning"], "answer": "Sleeping"},
-            {"question": "AI is used in which app?", "options": ["YouTube", "Alarm Clock", "Torch", "Calendar"], "answer": "YouTube"},
+            {"q": "AI stands for?", "O": ["Automated Interface","Artificial Intelligence","Applied Informatics","Advanced Integration"], "A": "Artificial Intelligence"},
+            {"q": "Narrow AI refers to systems that are?", "O": ["Task-specific","Human-like","Self-aware","Multilingual"], "A": "Task-specific"},
+            {"q": "Which powers voice assistants?", "O": ["AI","Manual Input","Open Source","Wireless"], "A": "AI"},
+            {"q": "General AI means?", "O": ["One task only","Human-level intelligence","Collecting data","Math only"], "A": "Human-level intelligence"},
+            {"q": "AI systems learn from?", "O": ["Data","Magic","Sunlight","Noise"], "A": "Data"}
         ]
     },
     "How ChatGPT Works": {
-        "intro": "ChatGPT is a type of AI that understands your questions and gives smart answers using a large amount of text data it learned from books, websites, and more.",
+        "intro": [
+            "ChatGPT is a language model built by OpenAI using deep learning techniques.",
+            "It was trained on a large dataset that includes books, articles, and websites.",
+            "It uses a transformer neural network architecture to predict the next word in a sentence.",
+            "By learning patterns of language, ChatGPT can generate fluent and coherent responses.",
+            "It can answer questions, write essays, help with code, and even generate creative content.",
+            "However, it does not truly understand meaning—it relies on statistical patterns.",
+            "ChatGPT works best when prompts are specific and clear.",
+            "It's important to verify its output, especially for critical information.",
+            "Developers can use API endpoints to integrate ChatGPT into other tools.",
+            "AI creativity is impressive—but it may hallucinate if incorrectly prompted.",
+            "Ethical guidelines inform its usage: no hate speech, personal data misuse, or harmful content.",
+            "Understanding ChatGPT helps learners leverage AI responsibly."
+        ],
         "quiz": [
-            {"question": "What is ChatGPT?", "options": ["Robot", "AI Chatbot", "Game", "Website"], "answer": "AI Chatbot"},
-            {"question": "Who created ChatGPT?", "options": ["Google", "Meta", "OpenAI", "Amazon"], "answer": "OpenAI"},
-            {"question": "ChatGPT learns from?", "options": ["Internet Data", "Photos", "TV Shows", "Music"], "answer": "Internet Data"},
-            {"question": "What can ChatGPT NOT do?", "options": ["Talk to you", "Predict future", "Write articles", "Translate text"], "answer": "Predict future"},
-            {"question": "ChatGPT gives answers based on?", "options": ["Magic", "Guess", "Trained data", "Surprise"], "answer": "Trained data"},
+            {"q": "ChatGPT is built by?", "O": ["Google","Meta","OpenAI","Amazon"], "A": "OpenAI"},
+            {"q": "It uses which neural net?", "O": ["CNN","RNN","Transformer","KNN"], "A": "Transformer"},
+            {"q": "ChatGPT generates text by predicting?", "O": ["Next word","Image pixels","Sound frequency","Encryption keys"], "A": "Next word"},
+            {"q": "Model trained on?", "O": ["Videos","Text data","Audio only","No data"], "A": "Text data"},
+            {"q": "Always verify its?", "O": ["Cooking skills","Factual output","Voice tone","Font size"], "A": "Factual output"}
         ]
     },
     "Types of AI": {
-        "intro": "There are three types of AI: Narrow AI (used in one task), General AI (like a human brain), and Super AI (stronger than humans – still in the future).",
+        "intro": [
+            "AI can be categorized into Narrow AI, General AI, and Super AI.",
+            "Narrow AI performs specific tasks like translation or gameplay.",
+            "General AI would have human-like intelligence across domains - it's still a goal.",
+            "Super AI would surpass human intelligence in every aspect - purely theoretical today.",
+            "Narrow AI is abundant: speech recognition, spam filters, recommendation engines.",
+            "General and Super AI are topics of research and science fiction.",
+            "Ethical safeguards are crucial as AI capabilities grow.",
+            "Understanding AI categories helps set realistic expectations.",
+            "Today’s AI is powerful but limited by design.",
+            "Progress toward general AI involves integrating reasoning, planning, and learning."
+        ],
         "quiz": [
-            {"question": "Which AI is used in Siri or Alexa?", "options": ["Super AI", "General AI", "Narrow AI", "No AI"], "answer": "Narrow AI"},
-            {"question": "Which AI doesn't exist yet?", "options": ["Narrow AI", "Super AI", "ChatGPT", "Machine Learning"], "answer": "Super AI"},
-            {"question": "Which AI is as smart as humans?", "options": ["Super AI", "General AI", "Narrow AI", "Simple AI"], "answer": "General AI"},
-            {"question": "ChatGPT is an example of?", "options": ["Super AI", "Narrow AI", "General AI", "Real Brain"], "answer": "Narrow AI"},
-            {"question": "Which is used today in real life?", "options": ["General AI", "Super AI", "Narrow AI", "None"], "answer": "Narrow AI"},
+            {"q": "Narrow AI does?", "O": ["Everything","One task","No tasks","Future tasks"], "A": "One task"},
+            {"q": "General AI equals?", "O": ["Calc machine","Human-like intelligence","Traffic light","Login system"], "A": "Human-like intelligence"},
+            {"q": "Super AI is?", "O": ["Here now","Future concept","Manual machine","Simple code"], "A": "Future concept"},
+            {"q": "Translation apps use?", "O": ["Narrow AI","Super AI","No AI","Magic"], "A": "Narrow AI"},
+            {"q": "Spam filters are?", "O": ["General AI","Narrow AI","No AI","Super AI"], "A": "Narrow AI"}
         ]
     },
     "AI in Daily Life": {
-        "intro": "AI helps us every day – in phones (face unlock), YouTube (video suggestions), hospitals (disease detection), farming (smart irrigation), and more.",
+        "intro": [
+            "AI is present in our daily routines: face unlock, recommendations, search.",
+            "Streaming platforms use AI to recommend songs and videos.",
+            "Navigation apps use AI to optimize routes and avoid traffic.",
+            "Banks use AI to detect fraud and assess loan risks.",
+            "E-commerce uses AI to show personalized product suggestions.",
+            "Smart homes use AI for voice control, thermostats, and lighting.",
+            "Healthcare uses AI to aid in diagnosis and personalized treatments.",
+            "Language translation apps use AI for real-time communication.",
+            "Smart agriculture uses AI for irrigation, yield prediction, and pest control.",
+            "Understanding these everyday uses helps appreciate AI’s impact."
+        ],
+        "quiz": [
+            {"q": "Face unlock uses?", "O": ["AI","Password","QR code","Manual"], "A": "AI"},
+            {"q": "YouTube suggests videos based on?", "O": ["AI","Manual","Coin Toss","Ads"], "A": "AI"},
+            {"q": "Navigation apps predict?", "O": ["Weather only","Traffic patterns","Random","Lyrics"], "A": "Traffic patterns"},
+            {"q": "Banks use AI for?", "O": ["Fraud detection","Cooking","Car wash","Gaming"], "A": "Fraud detection"},
+            {"q": "Smart homes can?", "O": ["AI control","Time travel","Teleportation","None"], "A": "AI control"}
+        ]
+    },
+    "ML vs DL": {
+        "intro": [
+            "Machine Learning (ML) is a subset of AI focused on learning from data.",
+            "Deep Learning (DL) is a specialized ML method using neural networks with multiple layers.",
+            "ML algorithms include linear regression, decision trees, SVM.",
+            "DL uses neural network architectures like CNNs and RNNs.",
+            "DL is powerful for images, voice, and unstructured data.",
+            "ML works well for smaller datasets and structured data.",
+            "DL needs large datasets and computational resources.",
+            "ML models are easier to interpret; DL models are often opaque.",
+            "Use case guides choice: ML for tabular data, DL for media recognition.",
+            "Knowing this helps choose the right approach for a project."
+        ],
+        "quiz": [
+            {"q": "ML learns from?", "O": ["Data only","Magic","Nothing","Sunlight"], "A": "Data only"},
+            {"q": "DL uses?", "O": ["Neural networks","Manual rules","Static code","Papers"], "A": "Neural networks"},
+            {"q": "DL works best with?", "O": ["Lots of data","Little data","No data","Water"], "A": "Lots of data"},
+            {"q": "ML models are?", "O": ["Interpretable","Invisible","Random","Imaginary"], "A": "Interpretable"},
+            {"q": "Image recognition uses?", "O": ["DL","ML only","No AI","Analog"], "A": "DL"}
+        ]
+    },
+    "Deepfakes & Misinformation": {
+        "intro": [
+            "Deepfakes are synthetic media created using AI.",
+            "They can manipulate images, audio, and video to create false realities.",
+            "These can spread misinformation and harm reputation.",
+            "AI-generated fake content makes media trust more complex.",
+            "Verifying authenticity is critical in news and social platforms.",
+            "Deepfakes may target public figures or individuals.",
+            "Tools exist to help detect fakes, but technology evolves quickly.",
+            "Responsibly sharing media includes verifying before posting.",
+            "Public awareness is the best defense against deepfake misuse.",
+            "Learning this protects communities and democracy."
+        ],
+        "quiz": [
+            {"q": "Deepfake means?", "O": ["Real video","Fake video","News article","Game"], "A": "Fake video"},
+            {"q": "They use?", "O": ["AI","Coin toss","Weather","Manual"], "A": "AI"},
+            {"q": "Effect of deepfakes?", "O": ["Trust erosion","Fun only","Health boost","Wealth"], "A": "Trust erosion"},
+            {"q": "To prevent fake news you?", "O": ["Verify source","Trust all","Ignore everything","Respect rumors"], "A": "Verify source"},
+            {"q": "Detection tools use?", "O": ["AI","Magic","Guess","No method"], "A": "AI"}
+        ]
+    },
+    "Data Privacy Basics": {
+        "intro": [
+            "Data privacy is about keeping personal information safe.",
+            "Personal data includes names, photos, location, health records.",
+            "Many apps collect data—it's important to know which you allow.",
+            "Strong passwords and 2FA protect online accounts.",
+            "Data sharing can expose you to scams and identity theft.",
+            "Privacy settings in apps empower users to choose control.",
+            "GDPR and similar laws protect user data rights.",
+            "Awareness helps prevent misuse by bad actors.",
+            "Encrypted communication like HTTPS secures your data.",
+            "Smart data handling builds trust and safety online."
+        ],
         "quiz": [
-            {"question": "AI is used in which app?", "options": ["Clock", "YouTube", "Flashlight", "Calculator"], "answer": "YouTube"},
-            {"question": "Face unlock uses which tech?", "options": ["AI", "Password", "Fingerprint", "QR code"], "answer": "AI"},
-            {"question": "AI helps doctors by?", "options": ["Playing music", "Writing books", "Detecting diseases", "Making beds"], "answer": "Detecting diseases"},
-            {"question": "Which field uses AI for crops?", "options": ["Medicine", "Farming", "Sports", "Cooking"], "answer": "Farming"},
-            {"question": "AI helps in?", "options": ["Sleeping", "Decision Making", "Singing", "Jumping"], "answer": "Decision Making"},
+            {"q": "Privacy protects?", "O": ["Personal info","Weather","Rivers","Animals"], "A": "Personal info"},
+            {"q": "2FA means?", "O": ["Double Factor Authentication","2 Forms Access","Two Fun Activities","None"], "A": "Double Factor Authentication"},
+            {"q": "Encrypted sites use?", "O": ["HTTPS","HTTP","FTP","POP3"], "A": "HTTPS"},
+            {"q": "Avoid sharing?", "O": ["Passwords","Jokes","Memes","Songs"], "A": "Passwords"},
+            {"q": "Privacy laws include?", "O": ["GDPR","HTML","NoSQL","CSS"], "A": "GDPR"}
         ]
     },
+    "Ethics in AI": {
+        "intro": [
+            "AI ethics is about responsible, fair, and transparent AI usage.",
+            "Biased data can lead to unfair decisions in AI systems.",
+            "Ethical AI respects privacy and avoids discrimination.",
+            "Transparency means understanding how AI reaches decisions.",
+            "Regulations guide developers to use AI responsibly.",
+            "We must balance innovation with societal well-being.",
+            "Involving users in decisions builds trust in AI systems.",
+            "Ethical design empowers all stakeholders equally.",
+            "Learning AI ethics creates safer and fairer technologies.",
+            "Your knowledge can ensure AI benefits everyone."
+        ],
+        "quiz": [
+            {"q": "AI ethics ensures?", "O": ["Fairness","Speed","Cost","None"], "A": "Fairness"},
+            {"q": "Biased AI can?", "O": ["Discriminate","Cook","Paint","Drive"], "A": "Discriminate"},
+            {"q": "Transparency means?", "O": ["Explain decisions","Hide code","Blur data","Remove users"], "A": "Explain decisions"},
+            {"q": "Ethical AI respects?", "O": ["Privacy","Speed","Noise","Weight"], "A": "Privacy"},
+            {"q": "Ethical design builds?", "O": ["Trust","Fear","Spam","Ads"], "A": "Trust"}
+        ]
+    },
+    "Computer Vision & CV": {
+        "intro": [
+            "Computer Vision (CV) enables machines to interpret visual data.",
+            "It uses cameras, sensors, and algorithms to process images.",
+            "CV applications include facial recognition, object tracking, and medical imaging.",
+            "It uses CNNs, image filters, and feature extraction techniques.",
+            "CV helps quality inspection in factories and autonomous vehicles.",
+            "It can read handwritten text and diagnose diseases from scans.",
+            "Real-time video analysis helps surveillance and safety.",
+            "CV combined with AI enables powerful automation solutions.",
+            "Understanding CV opens doors to robotics and intelligent systems.",
+            "Ethical CV requires consent and data protection in public spaces."
+        ],
+        "quiz": [
+            {"q": "CV stands for?", "O": ["Core Vision","Computer Vision","Camera View","Control Voice"], "A": "Computer Vision"},
+            {"q": "CV uses?", "O": ["Images","Audio","Text only","None"], "A": "Images"},
+            {"q": "CNN is used in?", "O": ["CV","Typing","Email","Games"], "A": "CV"},
+            {"q": "CV helps in factories by?", "O": ["Inspecting products","Cooking","Sleeping","Entertainment"], "A": "Inspecting products"},
+            {"q": "CV requires ?", "O": ["Privacy","Cameras","Coins","Walls"], "A": "Cameras"}
+        ]
+    },
+    "AI in Healthcare": {
+        "intro": [
+            "AI improves healthcare by analyzing medical images for diagnosis.",
+            "It can detect anomalies in X-rays, MRIs and CT scans.",
+            "Predictive models help in identifying disease risks early.",
+            "AI-driven robots assist in surgeries with precision.",
+            "Chatbots help patients with common health queries.",
+            "Drug discovery processes are accelerated by AI algorithms.",
+            "Personalized care plans benefit from AI data analysis.",
+            "Hospital administration uses AI for scheduling and predictions.",
+            "Wearable AI devices monitor vitals and alert emergencies.",
+            "Ethical use ensures patient privacy and unbiased care."
+        ],
+        "quiz": [
+            {"q": "AI in imaging helps detect?", "O": ["Diseases","Music","Movies","Weather"], "A": "Diseases"},
+            {"q": "Predictive AI finds?", "O": ["Risks early","New jokes","Songs","Photos"], "A": "Risks early"},
+            {"q": "Surgery robots are?", "O": ["AI-assisted","Manual only","Electric fans","Toys"], "A": "AI-assisted"},
+            {"q": "Chatbots in healthcare?", "O": ["Answer questions","Cook food","Dance","Sleep"], "A": "Answer questions"},
+            {"q": "Wearables monitor?", "O": ["Vitals","Sand","Stars","Cars"], "A": "Vitals"}
+        ]
+    }
 }
 
+# Initialize analytics
+for topic in modules:
+    if topic not in st.session_state.analytics:
+        st.session_state.analytics[topic] = 0
+
 # ------------------------------
-# Helper: Clean filename
+# Certificate Creation
 # ------------------------------
 def clean_filename(text):
-    return re.sub(r'[^\w\s-]', '', text).replace(' ', '_')
+    return re.sub(r"[^\w\s-]", "", text).replace(" ", "_")
 
-# ------------------------------
-# Certificate Generator
-# ------------------------------
-def generate_certificate(user_name: str, score: int, topic: str):
-    pdf = FPDF(orientation='L', unit='mm', format='A4')
+def create_certificate(user, topic, score):
+    pdf = FPDF(orientation="L", unit="mm", format="A4")
     pdf.add_page()
-    pdf.set_font("Arial", 'B', 24)
-    pdf.set_text_color(0, 102, 204)
-    pdf.cell(0, 20, "Certificate of Completion", ln=True, align='C')
 
-    pdf.set_text_color(0, 0, 0)
-    pdf.set_font("Arial", '', 16)
+    pdf.set_fill_color(0,102,204)
+    pdf.rect(0,0,297,30,'F')
+    pdf.set_font("Arial", "B", 28)
+    pdf.set_text_color(255,255,255)
+    pdf.cell(0,15,"Certificate of Mastery",ln=True,align="C")
+
+    pdf.set_fill_color(50,50,50)
+    pdf.rect(0,30,297,10,'F')
+    pdf.set_font("Arial","",16)
+    pdf.set_text_color(255,255,255)
+    pdf.cell(0,10,"Issued by Future Tech Leaders",ln=True,align="C")
+
+    pdf.ln(10)
+    pdf.set_text_color(0,0,0)
+    pdf.set_font("Arial","",14)
+    pdf.multi_cell(0,8,f"This certificate is proudly presented to {user} for successfully completing the module:",align="C")
+    pdf.ln(5)
+    pdf.set_font("Arial","B",20)
+    pdf.cell(0,10,topic,ln=True,align="C")
+    pdf.set_font("Arial","",14)
+    pdf.cell(0,10,f"with a score of {score}/5",ln=True,align="C")
     pdf.ln(10)
-    pdf.cell(0, 10, f"This is to certify that", ln=True, align='C')
-    pdf.set_font("Arial", 'B', 20)
-    pdf.cell(0, 15, user_name, ln=True, align='C')
-    pdf.set_font("Arial", '', 16)
-    pdf.cell(0, 10, f"has successfully completed the quiz on", ln=True, align='C')
-    pdf.set_font("Arial", 'B', 18)
-    pdf.cell(0, 10, topic, ln=True, align='C')
-    pdf.set_font("Arial", '', 16)
-    pdf.cell(0, 10, f"with a score of {score}/5.", ln=True, align='C')
-
-    pdf.set_font("Arial", 'I', 12)
-    pdf.ln(20)
-    pdf.cell(0, 10, f"Date: {datetime.today().strftime('%Y-%m-%d')}", ln=True, align='C')
-    pdf.cell(0, 10, "Powered by BrainQuest AI", ln=True, align='C')
-
-    safe_name = clean_filename(user_name)
-    safe_topic = clean_filename(topic)
-    filename = f"Certificate_{safe_name}_{safe_topic}.pdf"
+    pdf.set_font("Arial","I",12)
+    pdf.cell(0,10,f"Date: {datetime.today().strftime('%Y-%m-%d')}",ln=True,align="C")
+
+    filename = f"{clean_filename(user)}_{clean_filename(topic)}.pdf"
     pdf.output(filename)
     return filename
 
 # ------------------------------
-# Quiz UI
+# Module UI and Quiz
 # ------------------------------
-def show_intro_and_quiz(topic):
-    module = ai_modules[topic]
-    st.markdown(f"### 📘 Topic: {topic}")
-    st.info(module["intro"])
-    st.markdown("#### 📝 Quiz Time")
-    
-    score = 0
-    answers = {}
-    for i, q in enumerate(module["quiz"]):
-        selected = st.radio(f"**Q{i+1}: {q['question']}**", q['options'], index=None, key=f"{topic}_q{i}")
-        answers[i] = selected
-        if selected == q['answer']:
-            score += 1
-
-    user_name = st.text_input("Enter your full name for certificate:", key=f"name_{topic}")
-
-    if st.button("✅ Submit Quiz", key=f"submit_{topic}"):
-        if None in answers.values():
-            st.warning("Please answer all questions before submitting.")
-        elif not user_name.strip():
-            st.warning("Please enter your name to get a certificate.")
-        else:
-            st.success(f"You scored {score} out of {len(module['quiz'])}!")
-            st.balloons()
-            cert_path = generate_certificate(user_name, score, topic)
-            st.markdown("### 🎓 Download Your Certificate")
-            st.download_button("📄 Download Certificate", data=open(cert_path, "rb"), file_name=cert_path, mime="application/pdf")
-            for i, q in enumerate(module["quiz"]):
-                st.markdown(f"**Q{i+1}: {q['question']}**")
-                st.markdown(f"✅ Correct Answer: `{q['answer']}`")
-                if answers[i] != q['answer']:
-                    st.markdown(f"❌ Your Answer: `{answers[i]}`")
-                st.markdown("---")
+def show_module(topic):
+    expl = "\n\n".join(modules[topic]["intro"])
+    st.write(expl)
+    st.info("Please answer the following questions:")
+
+    answers = []
+    for idx, qd in enumerate(modules[topic]["quiz"]):
+        ans = st.radio(f"Q{idx+1}: {qd['q']}", qd['O'], index=None, key=f"{topic}_{idx}")
+        answers.append(ans)
+
+    name = st.text_input("Enter your name for certificate:", key=f"name_{topic}")
+
+    if st.button("Submit Quiz", key=f"btn_{topic}"):
+        if "" in answers or not name.strip():
+            st.warning("Please answer all questions and enter your name.")
+            return
+        score = sum(1 for a,qd in zip(answers,modules[topic]["quiz"]) if a == qd["A"])
+        st.success(f"Your score: {score}/5")
+        st.session_state.analytics[topic] += 1
+        cert = create_certificate(name, topic, score)
+        st.download_button("Download Certificate", data=open(cert,"rb"), file_name=cert, mime="application/pdf")
+        st.subheader("Answer Key")
+        for i,qd in enumerate(modules[topic]["quiz"]):
+            st.markdown(f"{i+1}. **{qd['q']}** — ✅ {qd['A']}")
 
 # ------------------------------
-# App Navigation
+# Navigation
 # ------------------------------
 if "started" not in st.session_state:
     st.session_state.started = False
 
 if not st.session_state.started:
-    st.markdown("""
-        <div style='text-align:center;'>
-            <h1 style='font-size:48px; color:#4CAF50;'>🤖 AI For Everyone</h1>
-            <p style='font-size:22px;'>Learn AI in simple words. Built for everyone.</p>
-        </div>
-    """, unsafe_allow_html=True)
-    
-    if st.button("🚀 Get Started Now"):
+    st.title("AI For Everyone — Empowering Youth with Future Tech Leaders")
+    st.write("Choose a topic and start learning AI like never before!")
+    if st.button("Start Learning Now"):
         st.session_state.started = True
     st.stop()
 
-# Main Quiz Screen
-st.sidebar.title("📘 Topics")
-selected_topic = st.selectbox("Choose a topic to begin:", list(ai_modules.keys()))
-
-if selected_topic:
-    show_intro_and_quiz(selected_topic)
+# Sidebar Analytics
+st.sidebar.header("📊 Quiz Completions")
+for t, c in st.session_state.analytics.items():
+    st.sidebar.write(f"{t}: {c}")
 
-st.sidebar.markdown("---")
-st.sidebar.markdown("Built with ❤️ by **Sabir Ali**")
+# Main selection
+topic = st.selectbox("Select a topic:", list(modules.keys()))
+show_module(topic)