components/chat.js

class ChatComponent extends HTMLElement {
    constructor() {
        super();
        this.messages = [];
    }

    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.render();
        this.setupEventListeners();
    }

    render() {
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                    height: 100%;
                }

                .chat-container {
                    display: flex;
                    flex-direction: column;
                    height: 100%;
                    max-width: 800px;
                    margin: 0 auto;
                }

                .chat-header {
                    display: flex;
                    align-items: center;
                    gap: 1rem;
                    margin-bottom: 1.5rem;
                }

                .chat-avatar {
                    width: 3rem;
                    height: 3rem;
                    border-radius: 50%;
                    background: linear-gradient(135deg, #8b5cf6, #ec4899);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: white;
                    font-weight: bold;
                    font-size: 1.25rem;
                }

                .chat-title {
                    font-size: 1.5rem;
                    font-weight: 600;
                    color: #111827;
                }

                .chat-subtitle {
                    font-size: 0.875rem;
                    color: #6b7280;
                }

                .messages-container {
                    flex: 1;
                    overflow-y: auto;
                    padding: 1rem;
                    margin-bottom: 1.5rem;
                    display: flex;
                    flex-direction: column;
                    gap: 1rem;
                }

                .message {
                    max-width: 80%;
                    padding: 1rem;
                    border-radius: 1rem;
                    font-size: 0.9375rem;
                    line-height: 1.5;
                    position: relative;
                }

                .message.user {
                    align-self: flex-end;
                    background-color: #3b82f6;
                    color: white;
                    border-bottom-right-radius: 0;
                }

                .message.assistant {
                    align-self: flex-start;
                    background-color: #f3f4f6;
                    color: #111827;
                    border-bottom-left-radius: 0;
                }

                .message-time {
                    font-size: 0.75rem;
                    opacity: 0.8;
                    margin-top: 0.25rem;
                    text-align: right;
                }

                .input-container {
                    display: flex;
                    gap: 0.5rem;
                    padding: 1rem;
                    background-color: white;
                    border-radius: 0.5rem;
                    border: 1px solid #e5e7eb;
                }

                .chat-input {
                    flex: 1;
                    padding: 0.75rem 1rem;
                    border: 1px solid #e5e7eb;
                    border-radius: 0.5rem;
                    font-size: 0.9375rem;
                    resize: none;
                    min-height: 3rem;
                    max-height: 10rem;
                }

                .chat-input:focus {
                    outline: none;
                    border-color: #3b82f6;
                    box-shadow: 0 0 0 2px #bfdbfe;
                }

                .send-button {
                    padding: 0.75rem;
                    background-color: #3b82f6;
                    color: white;
                    border: none;
                    border-radius: 0.5rem;
                    cursor: pointer;
                    transition: background-color 0.2s;
                }

                .send-button:hover {
                    background-color: #2563eb;
                }

                .send-button:disabled {
                    background-color: #9ca3af;
                    cursor: not-allowed;
                }

                .typing-indicator {
                    display: flex;
                    align-items: center;
                    gap: 0.5rem;
                    padding: 1rem;
                    background-color: #f3f4f6;
                    border-radius: 0.5rem;
                    margin-bottom: 1rem;
                    align-self: flex-start;
                }

                .typing-dots {
                    display: flex;
                    gap: 0.25rem;
                }

                .typing-dot {
                    width: 0.5rem;
                    height: 0.5rem;
                    background-color: #6b7280;
                    border-radius: 50%;
                    animation: typingAnimation 1.4s infinite ease-in-out;
                }

                .typing-dot:nth-child(1) {
                    animation-delay: 0s;
                }

                .typing-dot:nth-child(2) {
                    animation-delay: 0.2s;
                }

                .typing-dot:nth-child(3) {
                    animation-delay: 0.4s;
                }

                @keyframes typingAnimation {
                    0%, 60%, 100% { transform: translateY(0); }
                    30% { transform: translateY(-0.25rem); }
                }

                .code-block {
                    position: relative;
                    background-color: #1e293b;
                    color: #f8fafc;
                    border-radius: 0.5rem;
                    overflow: hidden;
                    margin-top: 0.5rem;
                }

                .code-block pre {
                    padding: 1rem;
                    overflow-x: auto;
                    font-family: 'Courier New', Courier, monospace;
                    font-size: 0.875rem;
                    margin: 0;
                }

                .code-toolbar {
                    position: absolute;
                    top: 0.5rem;
                    right: 0.5rem;
                    display: flex;
                    gap: 0.5rem;
                }

                .code-toolbar button {
                    background-color: #334155;
                    color: white;
                    border: none;
                    padding: 0.25rem 0.5rem;
                    border-radius: 0.25rem;
                    cursor: pointer;
                    font-size: 0.75rem;
                    display: flex;
                    align-items: center;
                    gap: 0.25rem;
                }

                .code-toolbar button:hover {
                    background-color: #475569;
                }
            </style>

            <div class="chat-container">
                <div class="chat-header">
                    <div class="chat-avatar">R</div>
                    <div>
                        <h2 class="chat-title">Rosalinda</h2>
                        <p class="chat-subtitle">IA spécialisée en développement web</p>
                    </div>
                </div>

                <div class="messages-container" id="messages-container">
                    <!-- Messages will be added here dynamically -->
                </div>

                <div class="input-container">
                    <textarea class="chat-input" id="chat-input" placeholder="Demandez à Rosalinda de générer du code ou posez-lui une question..." rows="1"></textarea>
                    <button class="send-button" id="send-button">
                        <i data-feather="send"></i>
                    </button>
                </div>
            </div>
        `;

        // Initialize feather icons
        const featherScript = document.createElement('script');
        featherScript.src = 'https://cdn.jsdelivr.net/npm/feather-icons/dist/feather.min.js';
        this.shadowRoot.appendChild(featherScript);
        
        featherScript.onload = () => {
            feather.replace();
        };
    }

    setupEventListeners() {
        const chatInput = this.shadowRoot.getElementById('chat-input');
        const sendButton = this.shadowRoot.getElementById('send-button');
        const messagesContainer = this.shadowRoot.getElementById('messages-container');

        // Auto-resize textarea
        chatInput.addEventListener('input', function() {
            this.style.height = 'auto';
            this.style.height = (this.scrollHeight) + 'px';
        });

        // Send message on Enter (but allow Shift+Enter for new lines)
        chatInput.addEventListener('keydown', (e) => {
            if (e.key === 'Enter' && !e.shiftKey) {
                e.preventDefault();
                this.sendMessage();
            }
        });

        // Send message on button click
        sendButton.addEventListener('click', () => this.sendMessage());

        // Initial greeting from Rosalinda
        this.addMessage({
            user: 'Rosalinda',
            type: 'assistant',
            text: 'Bonjour ! Je suis Rosalinda, votre assistante IA pour le développement web. Comment puis-je vous aider aujourd\'hui ? Je peux générer du code HTML, CSS, JavaScript ou React pour vous.',
            time: new Date().toLocaleTimeString('fr-FR', { hour: '2-digit', minute: '2-digit' })
        });
    }

    addMessage(message) {
        this.messages.push(message);
        this.renderMessages();
        
        // Scroll to bottom
        const messagesContainer = this.shadowRoot.getElementById('messages-container');
        messagesContainer.scrollTop = messagesContainer.scrollHeight;
    }

    renderMessages() {
        const messagesContainer = this.shadowRoot.getElementById('messages-container');
        messagesContainer.innerHTML = '';

        this.messages.forEach(msg => {
            const messageDiv = document.createElement('div');
            messageDiv.className = `message ${msg.type}`;
            
            // Check if message contains code
            let messageText = msg.text;
            const codeMatch = msg.text.match(/