class NavItem extends HTMLElement {
    constructor() {
        super();
        this.attachShadow({ mode: 'open' });
    }

    connectedCallback() {
        const icon = this.getAttribute('icon') || 'circle';
        const label = this.getAttribute('label') || 'Item';
        const active = this.hasAttribute('active');

        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                    margin-bottom: 0.25rem;
                }
                .nav-item {
                    display: flex;
                    align-items: center;
                    gap: 0.75rem;
                    padding: 0.5rem 0.75rem;
                    border-radius: 0.75rem;
                    cursor: pointer;
                    color: rgba(209, 213, 219, 1);
                    border: 1px solid transparent;
                    transition: all 0.15s ease;
                }
                .nav-item:hover {
                    background: rgba(255, 255, 255, 0.04);
                    border-color: rgba(255, 255, 255, 0.06);
                    color: rgba(255, 255, 255, 1);
                }
                .nav-item.active {
                    background: rgba(59, 130, 246, 0.1);
                    border-color: rgba(59, 130, 246, 0.18);
                    color: rgba(191, 219, 254, 1);
                }
                .icon {
                    width: 2rem;
                    height: 2rem;
                    border-radius: 0.75rem;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    background: rgba(255, 255, 255, 0.04);
                    border: 1px solid rgba(255, 255, 255, 0.1);
                }
                .label {
                    flex: 1;
                    overflow: hidden;
                    text-overflow: ellipsis;
                    white-space: nowrap;
                }
            </style>
            <div class="nav-item ${active ? 'active' : ''}">
                <div class="icon">
                    <i data-feather="${icon}"></i>
                </div>
                <div class="label">${label}</div>
            </div>
        `;
        
        // Replace feather icons after rendering
        setTimeout(() => {
            if (window.feather) {
                window.feather.replace({ 
                    width: '1rem', 
                    height: '1rem' 
                });
            }
        }, 100);
    }
}

customElements.define('nav-item', NavItem);