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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>MyPharma AI - Your Study Companion</title>
    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
    <style>
        /* Indian Traditional Theme CSS */
        :root {
            --saffron: #FF9933;
            --maroon: #800000;
            --gold: #FFD700;
            --peacock-blue: #005F9E;
            --cream: #FFF8E7;
            --dark-gold: #B8860B;
            --light-saffron: #FFE4B5;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--cream) 0%, var(--light-saffron) 100%);
            min-height: 100vh;
            position: relative;
            overflow-x: hidden;
        }

        /* Indian pattern background */
        body::before {
            content: "";
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0.05;
            background-image: 
                radial-gradient(circle at 25% 25%, var(--saffron) 2px, transparent 2px),
                radial-gradient(circle at 75% 75%, var(--maroon) 1px, transparent 1px);
            background-size: 50px 50px;
            z-index: -1;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* Header */
        .header {
            background: linear-gradient(135deg, var(--maroon) 0%, var(--peacock-blue) 100%);
            color: white;
            padding: 20px;
            border-radius: 15px;
            margin-bottom: 20px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: "🕉️";
            position: absolute;
            top: 10px;
            right: 20px;
            font-size: 30px;
            opacity: 0.3;
        }

        .header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .header .subtitle {
            font-size: 1.2em;
            opacity: 0.9;
            font-weight: 300;
        }

        .quote-container {
            background: var(--gold);
            color: var(--maroon);
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 20px;
            text-align: center;
            font-style: italic;
            font-weight: 500;
            box-shadow: 0 4px 15px rgba(255,215,0,0.3);
        }

        /* Chat Container */
        .chat-container {
            flex: 1;
            background: white;
            border-radius: 15px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            display: flex;
            flex-direction: column;
            overflow: hidden;
            border: 3px solid var(--gold);
            
        }

        .chat-header {
            background: linear-gradient(135deg, var(--saffron) 0%, var(--gold) 100%);
            padding: 15px 20px;
            color: var(--maroon);
            font-weight: bold;
            font-size: 1.1em;
        }

        .chat-messages {
            flex: 1;
            padding: 20px;
            overflow-y: auto;
            max-height: 500px;
            min-height: 300px;
        }

        .message {
            margin-bottom: 20px;
            animation: fadeIn 0.3s ease-in;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .message.user {
            text-align: right;
        }

        .message.bot {
            text-align: left;
        }

        .message-bubble {
            display: inline-block;
            max-width: 80%;
            padding: 15px 20px;
            border-radius: 20px;
            position: relative;
            word-wrap: break-word;
        }

        .message.user .message-bubble {
            background: linear-gradient(135deg, var(--peacock-blue) 0%, var(--maroon) 100%);
            color: white;
            border-bottom-right-radius: 5px;
        }

        .message.bot .message-bubble {
            background: linear-gradient(135deg, var(--light-saffron) 0%, var(--cream) 100%);
            color: var(--maroon);
            border: 2px solid var(--saffron);
            border-bottom-left-radius: 5px;
        }

        .agent-badge {
            display: inline-block;
            background: var(--gold);
            color: var(--maroon);
            padding: 3px 8px;
            border-radius: 12px;
            font-size: 0.8em;
            font-weight: bold;
            margin-bottom: 5px;
        }

        /* Input Area */
        .input-area {
            padding: 20px;
            background: var(--cream);
            border-top: 3px solid var(--gold);
        }

        .input-container {
            display: flex;
            gap: 10px;
            align-items: center;
        }

        #messageInput {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid var(--saffron);
            border-radius: 25px;
            font-size: 16px;
            outline: none;
            background: white;
            transition: all 0.3s ease;
        }

        #messageInput:focus {
            border-color: var(--peacock-blue);
            box-shadow: 0 0 15px rgba(0,95,158,0.2);
        }

        #sendBtn {
            background: linear-gradient(135deg, var(--saffron) 0%, var(--gold) 100%);
            color: var(--maroon);
            border: none;
            padding: 15px 25px;
            border-radius: 25px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s ease;
            font-size: 16px;
        }

        #sendBtn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255,153,51,0.4);
        }

        #sendBtn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        /* --- CSS FOR THE LOADING INDICATOR --- */
        .loading {
            display: none; /* Hidden by default */
            text-align: center;
            margin-top: 15px;
            color: var(--maroon);
            font-weight: bold;
        }
        .loading.show {
            display: block; /* Visible when .show class is added */
        }

        /* Quick Actions */
        .quick-actions {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
            flex-wrap: wrap;
        }

        .quick-btn {
            background: white;
            color: var(--peacock-blue);
            border: 2px solid var(--peacock-blue);
            padding: 8px 15px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s ease;
        }

        .quick-btn:hover {
            background: var(--peacock-blue);
            color: white;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }
            
            .header h1 {
                font-size: 2em;
            }
            
            .message-bubble {
                max-width: 95%;
            }
            
            .input-container {
                flex-direction: column;
            }
            
            #messageInput {
                width: 100%;
                margin-bottom: 10px;
            }
            
            .quick-actions {
                justify-content: center;
            }
        }

        /* Error Messages */
        .error-message {
            background: #ffebee;
            color: #c62828;
            border: 1px solid #ef5350;
            padding: 10px;
            border-radius: 5px;
            margin: 10px 0;
        }

        /* Success Messages */
        .success-message {
            background: #e8f5e8;
            color: #2e7d32;
            border: 1px solid #4caf50;
            padding: 10px;
            border-radius: 5px;
            margin: 10px 0;
        }
    </style>
</head>
<body>
    <div class="container">
      
        <div class="header">
            <h1>🇮🇳 MyPharma AI</h1>
            <div class="subtitle">{{ greeting or "नमस्ते! Your Intelligent Pharmacy Study Companion" }}</div>
        </div>

        
        <div class="quote-container" id="quoteContainer">
            📿 {{ daily_quote or "विद्या धनं सर्व धन प्रधानम् - Knowledge is the supreme wealth" }}
        </div>

        
        <div class="chat-container">
            <div class="chat-header">
                💬 Chat with Your AI Study Buddy
            </div>
            
            <div class="chat-messages" id="chatMessages">
                <div class="message bot">
                    <div class="message-bubble">
                        <div class="agent-badge">🤖 Academic Agent</div>
                        🙏 <strong>Namaste!</strong> I'm your AI study companion for pharmacy subjects!<br><br>
                        
                        I can help you with:<br>
                        📚 <strong>Academic Questions</strong> - Pharmacology, chemistry, biology concepts<br>
                        💊 <strong>Drug Information</strong> - Mechanisms, side effects, interactions<br><strong>Quiz Generation</strong> - Practice questions and tests<br>
                        🧠 <strong>Memory Aids</strong> - Mnemonics and memory tricks<br>
                        🗣️ <strong>Viva Practice</strong> - Mock interview sessions<br><br>
                        
                        <em>आपका अध्ययन साथी (Your Study Companion)</em></div>
                </div>
            </div>
            <div class="input-area">               
                <div class="quick-actions">
                    <button class="quick-btn" onclick="populateInput('Explain ')">📊 Explain Topic</button>
                    <button class="quick-btn" onclick="populateInput('What are the side effects of ')">⚗️ Drug Info</button>
                    <button class="quick-btn" onclick="populateInput('Make a quiz on ')">❓ Create Quiz</button>
                    <button class="quick-btn" onclick="populateInput('Mnemonic for ')">🧠 Mnemonics</button>
                </div>
            

                
                <div class="input-container">
                    <input type="text" 
                           id="messageInput" 
                           placeholder="Ask me anything about pharmacy... (e.g., 'Explain the Krebs cycle')" 
                           onkeypress="handleKeyPress(event)">
                    <button id="sendBtn" onclick="sendMessage()">Send 📨</button>
                </div>

                <div class="loading" id="loading">
                    🔄 Processing your query...
                </div>
                
            
            </div>
        </div>
    </div>
  <script>
        let isProcessing = false;

        async function sendMessage() {
            const input = document.getElementById('messageInput');
            const message = input.value.trim();
            if (!message || isProcessing) return;

            addMessage(message, 'user');
            input.value = '';
            showLoading(true);

            try {
                const response = await fetch('/chat', {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json' },
                    body: JSON.stringify({ query: message })
                });
                const data = await response.json();
                showLoading(false); // Remove loading indicator *before* adding new message
                if (data.success) {
                    addMessage(data.message, 'bot', data.agent_used);
                } else {
                    addMessage(`❌ Error: ${data.error || 'Something went wrong'}`, 'bot', 'error');
                }
            } catch (error) {
                showLoading(false);
                addMessage(`❌ Connection error: ${error.message}`, 'bot', 'error');
            }
        }

        function addMessage(text, sender, agentType = '') {
            const messagesContainer = document.getElementById('chatMessages');
            const messageDiv = document.createElement('div');
            messageDiv.className = `message ${sender}`;
            
            // This dictionary now includes all agent types
            const agentIcons = { 
                'academic': '📚 Academic Agent', 
                'drug_info': '💊 Drug Info Agent', 
                'quiz_generation': '❓ Quiz Master',
                'mnemonic_creation': '🧠 Memory Master',
                'viva_practice': '🗣️ Viva Coach',
                'error': '⚠️ System'
            };

            const agentBadge = sender === 'bot' ? `<div class="agent-badge">${agentIcons[agentType] || '🤖 AI Assistant'}</div>` : '';
            const formattedText = marked.parse(text || 'Sorry, I received an empty response.');
            messageDiv.innerHTML = `<div class="message-bubble">${agentBadge}${formattedText}</div>`;
            messagesContainer.appendChild(messageDiv);
            messagesContainer.scrollTop = messagesContainer.scrollHeight;
        }

        // This is the correct "typing indicator" loading function
         function showLoading(show) {
            isProcessing = show;
            document.getElementById('sendBtn').disabled = show;
            const loadingElement = document.getElementById('loading');
            
            if (show) {
                loadingElement.classList.add('show');
            } else {
                loadingElement.classList.remove('show');
            }
        }


        function handleKeyPress(event) {
            if (event.key === 'Enter' && !event.shiftKey) {
                event.preventDefault();
                sendMessage();
            }
        }
        
        function populateInput(templateText) {
            const input = document.getElementById('messageInput');
            input.value = templateText;
            input.focus();
        }
        
        document.addEventListener('DOMContentLoaded', () => {
             document.getElementById('messageInput').focus();
        });
    </script>
    
</body>
</html>


<!--<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>MyPharma AI - Your Study Companion</title>
    <script src="https://cdn.jsdelivr.net/npm/marked/marked.min.js"></script>
    <style>
        /* Indian Traditional Theme CSS */
        :root {
            --saffron: #FF9933; --maroon: #800000; --gold: #FFD700;
            --peacock-blue: #005F9E; --cream: #FFF8E7; --light-saffron: #FFE4B5;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, var(--cream) 0%, var(--light-saffron) 100%);
            min-height: 100vh;
            display: flex; align-items: center; justify-content: center; padding: 20px;
        }
        .container {
            max-width: 800px; margin: 0 auto; width: 100%;
            height: 90vh; max-height: 850px; display: flex; flex-direction: column;
            background: white; border-radius: 15px; box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            border: 3px solid var(--gold); overflow: hidden;
        }
        .header {
            background: linear-gradient(135deg, var(--maroon) 0%, var(--peacock-blue) 100%);
            color: white; padding: 20px; text-align: center;
        }
        .header h1 { font-size: 2em; margin-bottom: 5px; }
        .header .subtitle { font-size: 1.1em; opacity: 0.9; }
        .quote-container {
            background: var(--gold); color: var(--maroon); padding: 15px;
            border-radius: 10px; margin: 20px; text-align: center; font-style: italic;
        }
        .chat-container { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
        .chat-messages { flex: 1; padding: 20px; overflow-y: auto; }
        .message { margin-bottom: 20px; display: flex; max-width: 85%; animation: fadeIn 0.3s ease-in; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
        .message.user { margin-left: auto; flex-direction: row-reverse; }
        .message-bubble {
            padding: 12px 18px; border-radius: 20px; word-wrap: break-word; line-height: 1.6;
        }
        .message.user .message-bubble {
            background: linear-gradient(135deg, var(--peacock-blue) 0%, var(--maroon) 100%);
            color: white; border-bottom-right-radius: 5px;
        }
        .message.bot .message-bubble {
            background: linear-gradient(135deg, var(--light-saffron) 0%, var(--cream) 100%);
            color: var(--maroon); border: 2px solid var(--saffron); border-bottom-left-radius: 5px;
        }
        .agent-badge {
            display: inline-block; background: var(--gold); color: var(--maroon);
            padding: 3px 8px; border-radius: 12px; font-size: 0.8em; font-weight: bold; margin-bottom: 8px;
        }
        .input-area { padding: 20px; background: var(--cream); border-top: 3px solid var(--gold); }
        .quick-actions { display: flex; gap: 10px; margin-bottom: 15px; flex-wrap: wrap; }
        .quick-btn {
            background: white; color: var(--peacock-blue); border: 2px solid var(--peacock-blue);
            padding: 8px 15px; border-radius: 20px; cursor: pointer; font-size: 14px; transition: all 0.3s ease;
        }
        .quick-btn:hover { background: var(--peacock-blue); color: white; }
        .input-container { display: flex; gap: 10px; align-items: center; }
        #messageInput {
            flex: 1; padding: 15px 20px; border: 2px solid var(--saffron);
            border-radius: 25px; font-size: 16px; outline: none;
        }
        #sendBtn {
            background: linear-gradient(135deg, var(--saffron) 0%, var(--gold) 100%);
            color: var(--maroon); border: none; padding: 15px 25px; border-radius: 25px;
            cursor: pointer; font-weight: bold; font-size: 16px; transition: all 0.3s ease;
        }
        #sendBtn:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(255,153,51,0.4); }
        .typing-indicator span { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background-color: #aaa; margin: 0 2px; animation: bounce 1s infinite; }
        .typing-indicator span:nth-child(2) { animation-delay: 0.1s; }
        .typing-indicator span:nth-child(3) { animation-delay: 0.2s; }
        @keyframes bounce { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }
    </style>
</head>
<body>
    <div class="container">
        <div class="header">
            <h1>🇮🇳 MyPharma AI</h1>
            <div class="subtitle">{{ greeting or "नमस्ते! Your Intelligent Pharmacy Study Companion" }}</div>
        </div>
        
        <div class="quote-container" id="quoteContainer">
             📿 {{ daily_quote or "विद्या धनं सर्व धन प्रधानम् - Knowledge is the supreme wealth" }}
        </div>

        <div class="chat-container">
            <div class="chat-messages" id="chatMessages">
                <div class="message bot">
                    <div class="message-bubble">
                        <div class="agent-badge">🤖 AI Study Buddy</div>
                        🙏 <strong>Namaste!</strong> I have studied the documents in the knowledge library. Ask me anything about your subjects, and I will find the answer for you.
                    </div>
                </div>
            </div>

            <div class="input-area">
                <div class="quick-actions">
                    <button class="quick-btn" onclick="populateInput('Explain ')">📊 Explain Topic</button>
                    <button class="quick-btn" onclick="populateInput('What are the side effects of ')">⚗️ Drug Info</button>
                    <button class="quick-btn" onclick="populateInput('Make a quiz on ')">❓ Create Quiz</button>
                </div>

                <div class="input-container">
                    <input type="text" 
                           id="messageInput" 
                           placeholder="Ask about your documents..." 
                           onkeypress="handleKeyPress(event)">
                    <button id="sendBtn" onclick="sendMessage()">Send 📨</button>
                </div>
            </div>
        </div>
    </div>

    <script>
        let isProcessing = false;

        async function sendMessage() {
            const input = document.getElementById('messageInput');
            const message = input.value.trim();
            if (!message || isProcessing) return;

            addMessage(message, 'user');
            input.value = '';
            showLoading(true);

            try {
                const response = await fetch('/chat', {
                    method: 'POST',
                    headers: { 'Content-Type': 'application/json' },
                    body: JSON.stringify({ query: message })
                });
                const data = await response.json();
                showLoading(false);
                if (data.success) {
                    addMessage(data.message, 'bot', data.agent_used);
                } else {
                    addMessage(`❌ Error: ${data.error || 'Something went wrong'}`, 'bot', 'error');
                }
            } catch (error) {
                showLoading(false);
                addMessage(`❌ Connection error: ${error.message}`, 'bot', 'error');
            }
        }

        function addMessage(text, sender, agentType = '') {
            const messagesContainer = document.getElementById('chatMessages');
            const messageDiv = document.createElement('div');
            messageDiv.className = `message ${sender}`;
            const agentIcons = { 'academic': '📚 Academic Agent', 'drug_info': '💊 Drug Info Agent', 'quiz_generation': '❓ Quiz Master', 'mnemonic_creation': '🧠 Memory Master', 'viva_practice': '🗣️ Viva Coach', 'error': '⚠️ System' };
            const agentBadge = sender === 'bot' ? `<div class="agent-badge">${agentIcons[agentType] || '🤖 AI Assistant'}</div>` : '';
            const formattedText = marked.parse(text || 'Sorry, I received an empty response.');
            messageDiv.innerHTML = `<div class="message-bubble">${agentBadge}${formattedText}</div>`;
            messagesContainer.appendChild(messageDiv);
            messagesContainer.scrollTop = messagesContainer.scrollHeight;
        }

        function showLoading(show) {
            document.getElementById('sendBtn').disabled = show;
            const existingLoading = document.getElementById('loading-indicator');
            if (existingLoading) existingLoading.remove();
            
            if (show) {
                const messagesContainer = document.getElementById('chatMessages');
                const loadingDiv = document.createElement('div');
                loadingDiv.className = 'message bot';
                loadingDiv.id = 'loading-indicator';
                loadingDiv.innerHTML = `<div class="message-bubble"><div class="typing-indicator"><span></span><span></span><span></span></div></div>`;
                messagesContainer.appendChild(loadingDiv);
                messagesContainer.scrollTop = messagesContainer.scrollHeight;
            }
        }

        function handleKeyPress(event) {
            if (event.key === 'Enter' && !event.shiftKey) {
                event.preventDefault();
                sendMessage();
            }
        }
        
        function populateInput(templateText) {
            const input = document.getElementById('messageInput');
            input.value = templateText;
            input.focus();
        }
        
        async function getNewQuote() {
            try {
                const response = await fetch('/quote');
                const data = await response.json();
                document.getElementById('quoteContainer').innerHTML = `📿 ${data.quote}`;
            } catch (error) {
                console.error('Failed to fetch new quote:', error);
            }
        }
        
        document.addEventListener('DOMContentLoaded', () => {
             document.getElementById('messageInput').focus();
             setInterval(getNewQuote, 5 * 60 * 1000); // Update quote every 5 mins
        });
    </script>
    old
    <script>
        // Global variables
        let isProcessing = false;

        // In templates/index.html, inside the <script> tag

        // --- File Management Functions ---

        async function uploadFile() {
            const fileInput = document.getElementById('fileInput');
            const file = fileInput.files[0];
            if (!file) {
                addMessage('Please select a file to upload first.', 'bot', 'error');
                return;
            }

            const formData = new FormData();
            formData.append('file', file);

            showLoading(true);
            isProcessing = true;

            try {
                const response = await fetch('/upload', {
                    method: 'POST',
                    body: formData,
                });
                const data = await response.json();
                if (data.success) {
                    addMessage(`✅ ${data.message}`, 'bot', 'academic');
                    updateFileList(data.files);
                } else {
                    addMessage(`❌ Upload Error: ${data.error}`, 'bot', 'error');
                }
            } catch (error) {
                addMessage(`❌ Connection Error: ${error.message}`, 'bot', 'error');
            } finally {
                showLoading(false);
                isProcessing = false;
                fileInput.value = ''; // Clear the file input
            }
        }

        function updateFileList(files = []) {
            const fileListDiv = document.getElementById('fileList');
            if (files.length > 0) {
                let fileLinks = files.map(f => `<span>${f.original_name}</span>`).join(', ');
                fileListDiv.innerHTML = `<div style="font-size: 0.9em; margin-top: 10px;"><strong>Active Files:</strong> ${fileLinks} <button onclick="clearFiles()" style="margin-left: 10px; background: #800000; color: white; border: none; border-radius: 5px; cursor: pointer; padding: 2px 8px;">Clear All</button></div>`;
            } else {
                fileListDiv.innerHTML = '';
            }
        }

        async function clearFiles() {
            showLoading(true);
            isProcessing = true;
            try {
                const response = await fetch('/clear_files', { method: 'POST' });
                const data = await response.json();
                if (data.success) {
                    addMessage('🧹 All uploaded files and sessions have been cleared.', 'bot', 'academic');
                    updateFileList([]);
                } else {
                    addMessage(`❌ Error: ${data.error}`, 'bot', 'error');
                }
            } catch (error) {
                addMessage(`❌ Connection Error: ${error.message}`, 'bot', 'error');
            } finally {
                showLoading(false);
                isProcessing = false;
            }
        }

        // Update the file list on page load
        document.addEventListener('DOMContentLoaded', function() {
            fetch('/files').then(res => res.json()).then(data => {
                updateFileList(data.files);
            });
        });
        // Send message function
        async function sendMessage() {
            const input = document.getElementById('messageInput');
            const message = input.value.trim();
            
            if (!message || isProcessing) return;
            
            // Add user message to chat
            addMessage(message, 'user');
            input.value = '';
            
            // Show loading
            showLoading(true);
            isProcessing = true;
            
            try {
                const response = await fetch('/chat', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json',
                    },
                    body: JSON.stringify({ query: message })
                });
                
                const data = await response.json();
                
                if (data.success) {
                    addMessage(data.message, 'bot', data.agent_used);
                } else {
                    addMessage(`❌ Error: ${data.error || 'Something went wrong'}`, 'bot', 'error');
                }
                
            } catch (error) {
                addMessage(`❌ Connection error: ${error.message}`, 'bot', 'error');
            } finally {
                showLoading(false);
                isProcessing = false;
            }
        }

        // Add message to chat
        function addMessage(text, sender, agentType = '') {
        const messagesContainer = document.getElementById('chatMessages');
        const messageDiv = document.createElement('div');
        messageDiv.className = `message ${sender}`;
        
        let agentBadge = '';
        if (sender === 'bot' && agentType) {
            const agentIcons = {
                'academic': '📚 Academic Agent',
                'drug_info': '💊 Drug Info Agent',
                'quiz_generation': '❓ Quiz Master',
                'mnemonic_creation': '🧠 Memory Master',
                'viva_practice': '🗣️ Viva Coach',
                'error': '⚠️ System'
            };
            agentBadge = `<div class="agent-badge">${agentIcons[agentType] || '🤖 AI Assistant'}</div>`;
        }
        
        // THE FIX: Use marked.parse() to convert markdown to HTML
        // instead of a simple replace.
        const formattedText = marked.parse(text || 'Sorry, I received an empty response.');

        messageDiv.innerHTML = `
            <div class="message-bubble">
                ${agentBadge}
                ${formattedText}
            </div>
        `;
        
        messagesContainer.appendChild(messageDiv);
        messagesContainer.scrollTop = messagesContainer.scrollHeight;
        }

        // Show/hide loading
        function showLoading(show) {
            const loading = document.getElementById('loading');
            const sendBtn = document.getElementById('sendBtn');
            
            loading.classList.toggle('show', show);
            sendBtn.disabled = show;
        }

        // Handle Enter key press
        function handleKeyPress(event) {
            if (event.key === 'Enter' && !event.shiftKey) {
                event.preventDefault();
                sendMessage();
            }
        }

        // Quick message function
        function populateInput(templateText) {
            const input = document.getElementById('messageInput');
            input.value = templateText;
            input.focus(); // This handily puts the cursor in the text box for you!
        }

        // Get new quote function
        async function getNewQuote() {
            try {
                const response = await fetch('/quote');
                const data = await response.json();
                document.getElementById('quoteContainer').innerHTML = `📿 ${data.quote}`;
            } catch (error) {
                console.error('Failed to fetch new quote:', error);
            }
        }

        // Initialize app
        document.addEventListener('DOMContentLoaded', function() {
            // Focus on input
            document.getElementById('messageInput').focus();
            
            // Get new quote every 5 minutes
            setInterval(getNewQuote, 5 * 60 * 1000);
        });
    </script> 
</body>
</html>-->