components/header.js

class TestHeader extends HTMLElement {
    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                    width: 100%;
                    background-color: white;
                    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
                }
                
                .header-container {
                    max-width: 1400px;
                    margin: 0 auto;
                    padding: 1rem 2rem;
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                }
                
                .logo {
                    font-size: 1.5rem;
                    font-weight: 700;
                    color: #3b82f6;
                    display: flex;
                    align-items: center;
                }
                
                .logo-icon {
                    margin-right: 0.5rem;
                }
                
                .nav-links {
                    display: flex;
                    gap: 1.5rem;
                }
                
                .nav-link {
                    color: #64748b;
                    font-weight: 500;
                    transition: color 0.2s;
                }
                
                .nav-link:hover {
                    color: #3b82f6;
                }
                
                .user-menu {
                    display: flex;
                    align-items: center;
                    gap: 1rem;
                }
                
                .avatar {
                    width: 40px;
                    height: 40px;
                    border-radius: 50%;
                    background-color: #e2e8f0;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    color: #64748b;
                    font-weight: 600;
                }
                
                @media (max-width: 768px) {
                    .nav-links {
                        display: none;
                    }
                    
                    .mobile-menu-button {
                        display: block;
                    }
                }
            </style>
            
            <div class="header-container">
                    <a href="/" class="logo">
                        <i data-feather="grid" class="logo-icon"></i>
                        Jira-like Test Management
                    </a>
<div class="nav-links">
                    <a href="#" class="nav-link">Dashboard</a>
                    <a href="#" class="nav-link">Test Cases</a>
                    <a href="#" class="nav-link">Test Runs</a>
                    <a href="#" class="nav-link">Reports</a>
                    <a href="#" class="nav-link">Settings</a>
                </div>
                
                <div class="user-menu">
                    <div class="avatar">JD</div>
                </div>
            </div>
        `;
    }
}

customElements.define('test-header', TestHeader);