components/sidebar.js

class CustomSidebar extends HTMLElement {
    constructor() {
        super();
        this.attachShadow({ mode: 'open' });
    }
    connectedCallback() {
        this.shadowRoot.innerHTML = `
            <style>
                @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
                * { font-family: 'Inter', sans-serif; }
                .sidebar {
                    width: 260px;
                    background: #09090b;
                    border-right: 1px solid #18181b;
                    padding: 16px;
                    overflow-y: auto;
                    height: 100vh;
                    position: fixed;
                    left: 0;
                    top: 0;
                    z-index: 1000;
                    display: flex;
                    flex-direction: column;
                    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
                }
.new-chat-btn {
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    gap: 8px;
                    width: 100%;
                    padding: 12px;
                    background: #18181b;
                    border: 1px solid #27272a;
                    border-radius: 12px;
                    color: #ffffff;
                    font-size: 14px;
                    font-weight: 500;
                    cursor: pointer;
                    transition: all 0.2s ease;
                    margin-bottom: 8px;
                }
                
                .new-chat-btn:hover {
                    background: #27272a;
                    border-color: #3f3f46;
                }
                
                .sidebar-btn {
                    display: flex;
                    align-items: center;
                    gap: 12px;
                    width: 100%;
                    padding: 12px;
                    background: #18181b;
                    border: 1px solid #27272a;
                    border-radius: 12px;
                    color: #71717a;
                    font-size: 14px;
                    font-weight: 500;
                    cursor: pointer;
                    transition: all 0.2s ease;
                    text-align: left;
                }
                
                .sidebar-btn:hover {
                    background: #27272a;
                    color: #fafafa;
                    border-color: #3f3f46;
                }
                
                .sidebar-btn svg {
                    width: 20px;
                    height: 20px;
                    flex-shrink: 0;
                }
                .history-section {
                    flex: 1;
                    overflow-y: auto;
                }
.history-header {
                    display: flex;
                    align-items: center;
                    justify-content: space-between;
                    margin-bottom: 12px;
                }
                
                .history-title {
                    font-size: 12px;
                    font-weight: 600;
                    color: #52525b;
                    text-transform: uppercase;
                    letter-spacing: 0.05em;
                }
                
                .history-actions {
                    display: flex;
                    gap: 8px;
                }
                
                .history-action-btn {
                    width: 24px;
                    height: 24px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    background: transparent;
                    border: none;
                    color: #52525b;
                    cursor: pointer;
                    transition: color 0.2s ease;
                }
                
                .history-action-btn:hover {
                    color: #ffffff;
                }
                
                .history-action-btn svg {
                    width: 14px;
                    height: 14px;
                }
                
                .history-group {
                    margin-bottom: 20px;
                }
                
                .chat-item {
                    display: flex;
                    align-items: center;
                    gap: 12px;
                    width: 100%;
                    padding: 10px 12px;
                    background: #18181b;
                    border: 1px solid #27272a;
                    border-radius: 10px;
                    margin-bottom: 8px;
                    cursor: pointer;
                    transition: all 0.2s ease;
                    text-align: left;
                }
                
                .chat-item:hover {
                    background: #27272a;
                    border-color: #3f3f46;
                }
                
                .chat-item.active {
                    background: #27272a;
                    border-color: #52525b;
                }
                
                .chat-item svg {
                    width: 18px;
                    height: 18px;
                    color: #71717a;
                    flex-shrink: 0;
                }
                
                .chat-item:hover svg,
                .chat-item.active svg {
                    color: #fafafa;
                }
                
                .chat-info {
                    flex: 1;
                    overflow: hidden;
                }
                
                .chat-title {
                    font-size: 13px;
                    font-weight: 500;
                    color: #ffffff;
                    white-space: nowrap;
                    overflow: hidden;
                    text-overflow: ellipsis;
                    margin-bottom: 2px;
                }
                
                .chat-meta {
                    font-size: 11px;
                    color: #71717a;
                    display: flex;
                    align-items: center;
                    gap: 8px;
                }
                
                .chat-time,
                .chat-model {
                    display: flex;
                    align-items: center;
                    gap: 4px;
                }
                
                .model-dot {
                    width: 6px;
                    height: 6px;
                    border-radius: 50%;
                    display: inline-block;
                }
                
                .user-section {
                    margin-top: auto;
                    padding-top: 16px;
                    border-top: 1px solid #18181b;
                }
                
                .user-button {
                    display: flex;
                    align-items: center;
                    gap: 12px;
                    width: 100%;
                    padding: 12px;
                    background: #18181b;
                    border: 1px solid #27272a;
                    border-radius: 12px;
                    cursor: pointer;
                    transition: all 0.2s ease;
                    text-align: left;
                }
                
                .user-button:hover {
                    background: #27272a;
                    border-color: #3f3f46;
                }
                
                .user-avatar {
                    width: 32px;
                    height: 32px;
                    border-radius: 50%;
                    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: white;
                    font-weight: 600;
                    font-size: 14px;
                    flex-shrink: 0;
                }
                
                .user-info {
                    flex: 1;
                }
                
                .user-name {
                    font-size: 13px;
                    font-weight: 500;
                    color: #ffffff;
                    margin-bottom: 2px;
                }
                
                .user-plan {
                    font-size: 11px;
                    color: #a1a1aa;
                }
                
                .user-status {
                    display: flex;
                    align-items: center;
                    gap: 4px;
                }
                .status-dot {
                    width: 6px;
                    height: 6px;
                    border-radius: 50%;
                    background: #10b981;
                }
.sidebar::-webkit-scrollbar {
                    width: 4px;
                }
                
                .sidebar::-webkit-scrollbar-track {
                    background: transparent;
                }
                
                .sidebar::-webkit-scrollbar-thumb {
                    background: #525252;
                    border-radius: 2px;
                }
                
                .sidebar::-webkit-scrollbar-thumb:hover {
                    background: #71717a;
                }
</style>
            <nav class="sidebar" role="navigation" aria-label="Main navigation">
<div class="sidebar-buttons">
                    <button onclick="startNewChat()" class="new-chat-btn" aria-label="Start a new chat">
<svg width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                            <path d="M12 5v14m-7-7h14"/>
                        </svg>
                        <span>New Chat</span>
                    </button>
                    <button onclick="window.location.href='/media'" class="sidebar-btn" aria-label="Go to media library">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                            <rect x="3" y="3" width="18" height="18" rx="2" ry="2"/>
                            <circle cx="8.5" cy="8.5" r="1.5"/>
                            <path d="M21 15l-5-5L5 21"/>
                        </svg>
                        <span>Media Library</span>
                    </button>
                </div>
                <div class="history-section" role="region" aria-label="Chat history">
<div class="history-header">
                        <span class="history-title">Chat History</span>
                        <div class="history-actions">
                                <button class="history-action-btn" title="Search chat history" aria-label="Search">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                    <circle cx="11" cy="11" r="8"/>
                                    <path d="m21 21-4.35-4.35"/>
                                </svg>
                            </button>
                                <button class="history-action-btn" title="Clear chat history" aria-label="Clear">
<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                    <path d="M3 6h18M8 6V4a2 2 0 012-2h4a2 2 0 012 2v2m3 0v14a2 2 0 01-2 2H7a2 2 0 01-2-2V6h14zM10 11v6M14 11v6"/>
                                </svg>
                            </button>
                        </div>
                    </div>
                    
                    <div class="history-group">
                        <button onclick="loadChatHistory(1)" class="chat-item" data-id="1">
                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/>
                            </svg>
                            <div class="chat-info">
                                <div class="chat-title">Website Redesign</div>
                                <div class="chat-meta">
                                    <span class="chat-time">2:30 PM</span>
                                    <span class="chat-model">
                                        <span class="model-dot" style="background: #ffffff;"></span>
                                        Max
                                    </span>
                                </div>
                            </div>
                        </button>
                        <button onclick="loadChatHistory(2)" class="chat-item" data-id="2">
                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/>
                            </svg>
                            <div class="chat-info">
                                <div class="chat-title">JavaScript Performance Tips</div>
                                <div class="chat-meta">
                                    <span class="chat-time">1:15 PM</span>
                                    <span class="chat-model">
                                        <span class="model-dot" style="background: #a1a1aa;"></span>
                                        Turbo
                                    </span>
                                </div>
                            </div>
                        </button>
                        <button onclick="loadChatHistory(3)" class="chat-item active" data-id="3">
                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/>
                            </svg>
                            <div class="chat-info">
                                <div class="chat-title">React Architecture</div>
                                <div class="chat-meta">
                                    <span class="chat-time">11:45 AM</span>
                                    <span class="chat-model">
                                        <span class="model-dot" style="background: #71717a;"></span>
                                        Lite
                                    </span>
                                </div>
                            </div>
                        </button>
                    </div>
                    
                    <div class="history-group">
                        <div class="history-title">Yesterday</div>
                        <button onclick="loadChatHistory(4)" class="chat-item" data-id="4">
                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/>
                            </svg>
                            <div class="chat-info">
                                <div class="chat-title">Data Analysis Project</div>
                                <div class="chat-meta">
                                    <span class="chat-time">6:20 PM</span>
                                    <span class="chat-model">
                                        <span class="model-dot" style="background: #d4d4d8;"></span>
                                        Deep Research
                                    </span>
                                </div>
                            </div>
                        </button>
                        <button onclick="loadChatHistory(5)" class="chat-item" data-id="5">
                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/>
                            </svg>
                            <div class="chat-info">
                                <div class="chat-title">Cloud Architecture Design</div>
                                <div class="chat-meta">
                                    <span class="chat-time">4:10 PM</span>
                                    <span class="chat-model">
                                        <span class="model-dot" style="background: #ffffff;"></span>
                                        Max
                                    </span>
                                </div>
                            </div>
                        </button>
                    </div>
                    
                    <div class="history-group">
                        <div class="history-title">Older</div>
                        <button onclick="loadChatHistory(6)" class="chat-item" data-id="6">
                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/>
                            </svg>
                            <div class="chat-info">
                                <div class="chat-title">Database Optimization</div>
                                <div class="chat-meta">
                                    <span class="chat-time">3 days ago</span>
                                    <span class="chat-model">
                                        <span class="model-dot" style="background: #a1a1aa;"></span>
                                        Turbo
                                    </span>
                                </div>
                            </div>
                        </button>
                        <button onclick="loadChatHistory(7)" class="chat-item" data-id="7">
                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
                                <path d="M21 15a2 2 0 01-2 2H7l-4 4V5a2 2 0 012-2h14a2 2 0 012 2z"/>
                            </svg>
                            <div class="chat-info">
                                <div class="chat-title">Security Best Practices</div>
                                <div class="chat-meta">
                                    <span class="chat-time">5 days ago</span>
                                    <span class="chat-model">
                                        <span class="model-dot" style="background: #ffffff;"></span>
                                        Max
                                    </span>
                                </div>
                            </div>
                        </button>
                    </div>
                </div>
                
                <div class="user-section">
                    <button onclick="openAccount()" class="user-button">
                        <div class="user-avatar">U</div>
                        <div class="user-info">
                            <div class="user-name">User Account</div>
                            <div class="user-plan">Pro Plan</div>
                        </div>
                        <div class="user-status">
                            <div class="status-dot"></div>
                        </div>
                    </button>
                </div>
            </nav>
        `;
        
        this.setupMobileMenu();
    }
}

customElements.define('custom-sidebar', CustomSidebar);

// Sidebar functions
function startNewChat() {
    clearChat();
}

function loadChatHistory(chatId) {
    console.log('Loading chat history for:', chatId);
    
    document.querySelectorAll('.chat-item').forEach(item => {
        item.classList.remove('active');
    });
    
    const clickedChat = document.querySelector(`.chat-item[data-id="${chatId}"]`);
    if (clickedChat) {
        clickedChat.classList.add('active');
    }
}

function openAccount() {
    console.log('Opening account settings...');
}