components/header.js

class CustomHeader extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                nav {
                    transition: all 0.3s ease;
                }
                .nav-link {
                    position: relative;
                }
                .nav-link:after {
                    content: '';
                    position: absolute;
                    width: 0;
                    height: 2px;
                    bottom: -2px;
                    left: 0;
                    background-color: currentColor;
                    transition: width 0.3s ease;
                }
                .nav-link:hover:after {
                    width: 100%;
                }
            </style>
            <header class="bg-white shadow-sm">
                <nav class="container mx-auto px-6 py-4">
                    <div class="flex justify-between items-center">
                        <a href="/" class="text-2xl font-bold gradient-text">Chromatic</a>
                        <div class="hidden md:flex space-x-8">
                            <a href="#" class="nav-link text-gray-600 hover:text-primary-600">Home</a>
                            <a href="#" class="nav-link text-gray-600 hover:text-primary-600">Features</a>
                            <a href="#" class="nav-link text-gray-600 hover:text-primary-600">Gallery</a>
                            <a href="#" class="nav-link text-gray-600 hover:text-primary-600">About</a>
                            <a href="#" class="nav-link text-gray-600 hover:text-primary-600">Contact</a>
                        </div>
                        <div class="flex items-center space-x-4">
                            <button id="color-scheme-toggle" class="p-2 rounded-full hover:bg-gray-100">
                                <i data-feather="moon" class="text-gray-600"></i>
                            </button>
                            <button class="md:hidden focus:outline-none">
                                <i data-feather="menu" class="text-gray-600"></i>
                            </button>
                        </div>
                    </div>
                </nav>
            </header>
        `;
    }
}
customElements.define('custom-header', CustomHeader);