class CustomHeader extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                    width: 100%;
                }
                
                header {
                    background: rgba(255, 255, 255, 0.8);
                    backdrop-filter: blur(10px);
                    -webkit-backdrop-filter: blur(10px);
                    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
                    padding: 1rem 2rem;
                }
                
                .container {
                    max-width: 1200px;
                    margin: 0 auto;
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                }
                
                .logo {
                    font-family: 'Archivo Black', sans-serif;
                    font-size: 1.5rem;
                    color: #3b82f6;
                    text-decoration: none;
                    display: flex;
                    align-items: center;
                }
                
                .logo-icon {
                    margin-right: 0.5rem;
                    color: #22c55e;
                }
                
                nav ul {
                    display: flex;
                    gap: 1.5rem;
                    list-style: none;
                }
                
                nav a {
                    text-decoration: none;
                    color: #334155;
                    font-weight: 500;
                    transition: color 0.2s;
                    position: relative;
                }
                
                nav a:hover {
                    color: #3b82f6;
                }
                
                nav a::after {
                    content: '';
                    position: absolute;
                    bottom: -4px;
                    left: 0;
                    width: 0;
                    height: 2px;
                    background: linear-gradient(to right, #3b82f6, #22c55e);
                    transition: width 0.3s;
                }
                
                nav a:hover::after {
                    width: 100%;
                }
                
                @media (max-width: 768px) {
                    .container {
                        flex-direction: column;
                        gap: 1rem;
                    }
                    
                    nav ul {
                        flex-wrap: wrap;
                        justify-content: center;
                    }
                }
            </style>
            
            <header>
                <div class="container">
                    <a href="/" class="logo">
                        <i data-feather="hexagon" class="logo-icon"></i>
                        Neon Garden
                    </a>
                    <nav>
                        <ul>
                            <li><a href="#ideas">Ideas</a></li>
                            <li><a href="#about">About</a></li>
                            <li><a href="#share">Share</a></li>
                            <li><a href="#community">Community</a></li>
                        </ul>
                    </nav>
                </div>
            </header>
        `;
    }
}

customElements.define('custom-header', CustomHeader);