class CustomHeader extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                nav {
                    backdrop-filter: blur(10px);
                    background-color: rgba(255, 255, 255, 0.8);
                }
                .nav-link {
                    transition: all 0.2s ease;
                    position: relative;
                }
                .nav-link:hover {
                    color: var(--primary, #000);
                }
                .nav-link:after {
                    content: '';
                    position: absolute;
                    width: 0;
                    height: 2px;
                    bottom: -2px;
                    left: 0;
                    background-color: var(--primary, transparent);
                    transition: width 0.3s ease;
                }
                .nav-link:hover:after {
                    width: 100%;
                }
            </style>
            <header>
                <nav class="border-b border-gray-200 fixed w-full z-10">
                    <div class="container mx-auto px-4 py-4 flex justify-between items-center">
                        <a href="/" class="text-2xl font-bold bg-clip-text text-transparent bg-gradient-to-r from-gray-400 to-gray-600">
                            Colorless<span class="font-light">Canvas</span>
                        </a>
                        <div class="hidden md:flex space-x-8">
                            <a href="#" class="nav-link text-gray-600 hover:text-gray-900">Features</a>
                            <a href="#" class="nav-link text-gray-600 hover:text-gray-900">Pricing</a>
                            <a href="#" class="nav-link text-gray-600 hover:text-gray-900">Docs</a>
                            <a href="#" class="nav-link text-gray-600 hover:text-gray-900">About</a>
                        </div>
                        <button class="md:hidden focus:outline-none">
                            <i data-feather="menu" class="text-gray-600"></i>
                        </button>
                    </div>
                </nav>
            </header>
        `;
    }
}
customElements.define('custom-header', CustomHeader);