class CategorySection extends HTMLElement {
    static get observedAttributes() {
        return ['title', 'category'];
    }

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

    connectedCallback() {
        this.render();
    }

    attributeChangedCallback(name, oldValue, newValue) {
        if (oldValue !== newValue) {
            this.render();
        }
    }

    render() {
        const title = this.getAttribute('title') || '';
        const category = this.getAttribute('category') || '';
        const id = this.getAttribute('id') || '';

        this.shadowRoot.innerHTML = `
            <style>
                .category-section {
                    margin-bottom: 3rem;
                }
                .category-header {
                    display: flex;
                    align-items: center;
                    margin-bottom: 1.5rem;
                    padding-bottom: 0.5rem;
                    border-bottom: 2px solid #e2e8f0;
                }
                .category-title {
                    font-size: 1.5rem;
                    font-weight: 700;
                    color: #2d3748;
                    margin: 0;
                }
                .category-icon {
                    background: #4f46e5;
                    color: white;
                    width: 2.5rem;
                    height: 2.5rem;
                    border-radius: 50%;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    margin-right: 1rem;
                }
                .videos-grid {
                    display: grid;
                    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
                    gap: 1.5rem;
                }
            </style>
            <section class="category-section" id="${id}">
                <div class="category-header">
                    <div class="category-icon">
                        <i data-feather="${this.getIconForCategory(category)}"></i>
                    </div>
                    <h2 class="category-title">${title}</h2>
                </div>
                <div class="videos-grid">
                    <slot></slot>
                </div>
            </section>
            <script>feather.replace();</script>
        `;
    }

    getIconForCategory(category) {
        const icons = {
            'introducao': 'home',
            'historico': 'clock',
            'legislacao': 'book',
            'modalidades': 'layers',
            'pratica': 'activity',
            'estrategia': 'target',
            'comparacoes': 'columns',
            'jurisprudencia': 'balance-scale'
        };
        return icons[category] || 'file-text';
    }
}

customElements.define('category-section', CategorySection);