class CustomCard extends HTMLElement {
    static get observedAttributes() {
        return ['title', 'description', 'icon'];
    }

    constructor() {
        super();
        this.attachShadow({ mode: 'open' });
    }

    connectedCallback() {
        this.render();
    }

    attributeChangedCallback() {
        this.render();
    }

    render() {
        const title = this.getAttribute('title') || 'Card Title';
        const description = this.getAttribute('description') || 'Default card description';
        const icon = this.getAttribute('icon') || 'box';

        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                }
                .card {
                    background-color: white;
                    border-radius: 0.5rem;
                    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
                    padding: 1.5rem;
                    transition: all 0.3s ease;
                    height: 100%;
                }
                .card:hover {
                    transform: translateY(-4px);
                    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
                }
                .card-icon {
                    width: 3rem;
                    height: 3rem;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    background-color: #e0e7ff;
                    border-radius: 0.5rem;
                    margin-bottom: 1rem;
                    color: #4f46e5;
                }
                .card-title {
                    font-size: 1.25rem;
                    font-weight: 600;
                    margin-bottom: 0.5rem;
                    color: #111827;
                }
                .card-description {
                    color: #6b7280;
                    line-height: 1.5;
                }
            </style>
            <div class="card">
                <div class="card-icon">
                    <i data-feather="${icon}"></i>
                </div>
                <h3 class="card-title">${title}</h3>
                <p class="card-description">${description}</p>
            </div>
        `;
    }
}
customElements.define('custom-card', CustomCard);