components/header.js

class HeaderComponent extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                nav {
                    backdrop-filter: blur(10px);
                    -webkit-backdrop-filter: blur(10px);
                }
                .nav-link {
                    color: #cbd5e1;
                    font-weight: 500;
                }
                .nav-link:hover {
                    color: var(--primary-500);
                }
                .logo {
                    color: #f8fafc;
                }
                #theme-toggle, .menu-toggle {
                    color: #94a3b8;
                }
                #theme-toggle:hover, .menu-toggle:hover {
                    background-color: #1e293b;
                    color: var(--primary-500);
                }
            </style>
<header class="sticky top-0 z-50 border-b border-gray-800">
                <nav class="bg-gray-900/80 py-4 px-6">
                    <div class="container mx-auto flex justify-between items-center">
                        <a href="/" class="flex items-center space-x-2">
                            <i data-feather="tool" class="text-primary-500"></i>
                            <span class="text-xl font-bold">Tooltopia Hub</span>
                        </a>
                        
                        <div class="hidden md:flex items-center space-x-8">
                            <a href="#" class="nav-link text-gray-300 hover:text-primary-500">All Tools</a>
                            <a href="#" class="nav-link text-gray-300 hover:text-primary-500">Categories</a>
                            <a href="#" class="nav-link text-gray-300 hover:text-primary-500">Favorites</a>
                            <a href="#" class="nav-link text-gray-300 hover:text-primary-500">About</a>
                        </div>
                        
                        <div class="flex items-center space-x-4">
                            <button id="theme-toggle" class="p-2 rounded-full hover:bg-gray-800">
                                <i data-feather="moon" class="hidden dark:block"></i>
                                <i data-feather="sun" class="block dark:hidden"></i>
                            </button>
                            <button class="md:hidden p-2 rounded-full hover:bg-gray-800">
                                <i data-feather="menu"></i>
                            </button>
                        </div>
                    </div>
                </nav>
            </header>
        `;
    }
}
customElements.define('header-component', HeaderComponent);