components/sidebar.js

class CustomSidebar extends HTMLElement {
  connectedCallback() {
    this.attachShadow({ mode: 'open' });
    this.shadowRoot.innerHTML = `
      <style>
        :host {
          display: block;
          background: var(--surface);
          border-right: 1px solid var(--border);
          height: 100vh;
          position: sticky;
          top: 0;
        }
        .sidebar-header {
          padding: 1.5rem;
          border-bottom: 1px solid var(--border);
        }
        .logo {
          display: flex;
          align-items: center;
          gap: 0.75rem;
          font-weight: 700;
          font-size: 1.25rem;
          color: var(--primary);
        }
        .nav-section {
          padding: 1rem 0;
          border-bottom: 1px solid var(--border);
        }
        .nav-title {
          padding: 0.5rem 1.5rem;
          font-size: 0.75rem;
          text-transform: uppercase;
          letter-spacing: 0.05em;
          color: var(--text-secondary);
        }
        .nav-item {
          display: flex;
          align-items: center;
          gap: 0.75rem;
          padding: 0.75rem 1.5rem;
          color: var(--text-primary);
          text-decoration: none;
          transition: all 0.2s;
          font-weight: 500;
        }
        .nav-item:hover {
          background: var(--surface-3);
          color: var(--primary);
        }
        .nav-item.active {
          background: rgba(123, 104, 238, 0.1);
          color: var(--primary);
        }
        .nav-item i {
          width: 20px;
          height: 20px;
        }
      </style>
      <div>
        <div class="sidebar-header">
          <div class="logo">
            <i data-feather="layers"></i>
            TaskFlow Dock
          </div>
        </div>
        <div class="nav-section">
          <div class="nav-title">Navigation</div>
          <a href="dashboard.html" class="nav-item">
            <i data-feather="home"></i>
            Dashboard
          </a>
          <a href="index.html" class="nav-item">
            <i data-feather="list"></i>
            Tasks
          </a>
          <a href="purchase-orders.html" class="nav-item">
            <i data-feather="file-text"></i>
            POs
          </a>
          <a href="#" class="nav-item">
            <i data-feather="truck"></i>
            Shipments
          </a>
          <a href="#" class="nav-item">
            <i data-feather="bar-chart-2"></i>
            Reports
          </a>
        </div>
<div class="nav-section">
          <div class="nav-title">Workspace</div>
          <a href="#" class="nav-item">
            <i data-feather="users"></i>
            Team
          </a>
          <a href="#" class="nav-item">
            <i data-feather="settings"></i>
            Settings
          </a>
        </div>
      </div>
    `;
  }
}
customElements.define('custom-sidebar', CustomSidebar);