class CustomNavbar extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                nav {
                    background: linear-gradient(90deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%);
                    backdrop-filter: blur(10px);
                    border-bottom: 1px solid rgba(6, 182, 212, 0.2);
                    position: sticky;
                    top: 0;
                    z-index: 1000;
                    padding: 1rem 0;
                }
                
                .nav-container {
                    max-width: 1200px;
                    margin: 0 auto;
                    padding: 0 1rem;
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                }
                
                .logo {
                    display: flex;
                    align-items: center;
                    gap: 12px;
                    text-decoration: none;
                    color: white;
                    font-weight: 700;
                    font-size: 1.5rem;
                }
                
                .logo-icon {
                    width: 40px;
                    height: 40px;
                    background: linear-gradient(45deg, #06b6d4, #8b5cf6);
                    border-radius: 10px;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    animation: pulse 2s infinite;
                }
                
                @keyframes pulse {
                    0%, 100% { transform: scale(1); }
                    50% { transform: scale(1.05); }
                }
                
                .logo-text {
                    background: linear-gradient(45deg, #06b6d4, #8b5cf6);
                    background-clip: text;
                    -webkit-background-clip: text;
                    color: transparent;
                }
                
                .nav-links {
                    display: flex;
                    gap: 2rem;
                    align-items: center;
                }
                
                .nav-link {
                    color: #cbd5e1;
                    text-decoration: none;
                    font-weight: 500;
                    transition: all 0.3s ease;
                    padding: 0.5rem 1rem;
                    border-radius: 6px;
                    display: flex;
                    align-items: center;
                    gap: 8px;
                }
                
                .nav-link:hover {
                    color: white;
                    background: rgba(6, 182, 212, 0.1);
                    transform: translateY(-2px);
                }
                
                .nav-link i {
                    width: 18px;
                    height: 18px;
                }
                
                .system-indicator {
                    display: flex;
                    align-items: center;
                    gap: 8px;
                    padding: 0.5rem 1rem;
                    background: rgba(16, 185, 129, 0.1);
                    border-radius: 6px;
                    font-size: 0.875rem;
                    color: #10b981;
                }
                
                .indicator-dot {
                    width: 8px;
                    height: 8px;
                    background: #10b981;
                    border-radius: 50%;
                    animation: pulse 2s infinite;
                }
                
                @media (max-width: 768px) {
                    .nav-links {
                        display: none;
                    }
                    
                    .mobile-menu-btn {
                        display: block;
                    }
                }
            </style>
            
            <nav>
                <div class="nav-container">
                    <a href="/" class="logo">
                        <div class="logo-icon">
                            <i data-feather="cpu"></i>
                        </div>
                        <span class="logo-text">QCWE</span>
                    </a>
                    
                    <div class="nav-links">
                        <a href="/" class="nav-link">
                            <i data-feather="home"></i>
                            Dashboard
                        </a>
                        <a href="/graph" class="nav-link">
                            <i data-feather="git-merge"></i>
                            Graph Explorer
                        </a>
                        <a href="/workers" class="nav-link">
                            <i data-feather="activity"></i>
                            Worker Monitor
                        </a>
                        <a href="/settings" class="nav-link">
                            <i data-feather="settings"></i>
                            Settings
                        </a>
                        <div class="system-indicator">
                            <span class="indicator-dot"></span>
                            <span>System Operational</span>
                        </div>
                    </div>
                </div>
            </nav>
        `;
        
        // Feather icons need to be replaced after insertion
        setTimeout(() => {
            if (window.feather) {
                feather.replace();
            }
        }, 100);
    }
}

customElements.define('custom-navbar', CustomNavbar);