class GalleryGrid extends HTMLElement {
    constructor() {
        super();
    }

    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                }
                .gallery-section {
                    margin-top: 2rem;
                }
                .gallery-header {
                    display: flex;
                    justify-content: space-between;
                    align-items: center;
                    margin-bottom: 1rem;
                }
                .gallery-title {
                    color: #e2e8f0;
                    font-weight: 700;
                    font-size: 1.25rem;
                    display: flex;
                    align-items: center;
                    gap: 0.5rem;
                }
                .gallery-count {
                    background: rgba(139, 92, 246, 0.2);
                    color: #c4b5fd;
                    padding: 0.25rem 0.75rem;
                    border-radius: 9999px;
                    font-size: 0.75rem;
                    font-weight: 600;
                }
                .gallery-actions {
                    display: flex;
                    gap: 0.5rem;
                }
                .action-btn {
                    padding: 0.5rem;
                    background: rgba(30, 41, 59, 0.6);
                    border: 1px solid rgba(139, 92, 246, 0.2);
                    border-radius: 0.375rem;
                    color: #94a3b8;
                    cursor: pointer;
                    transition: all 0.2s;
                }
                .action-btn:hover {
                    border-color: rgba(139, 92, 246, 0.4);
                    color: #c4b5fd;
                }
                .grid {
                    display: grid;
                    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
                    gap: 1.5rem;
                }
                .empty-state {
                    grid-column: 1 / -1;
                    text-align: center;
                    padding: 3rem;
                    color: #475569;
                }
                @media (max-width: 640px) {
                    .grid {
                        grid-template-columns: 1fr;
                    }
                }
            </style>
            
            <div class="gallery-section">
                <div class="gallery-header">
                    <h2 class="gallery-title">
                        <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" style="color: #8b5cf6;"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>
                        Generation History
                    </h2>
                    <div class="flex items-center gap-3">
                        <span class="gallery-count" id="gallery-count">0 items</span>
                        <div class="gallery-actions">
                            <button class="action-btn" onclick="app.clearHistory()" title="Clear All">
                                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg>
                            </button>
                            <button class="action-btn" title="Grid View">
                                <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="3" y="3" width="7" height="7"/><rect x="14" y="3" width="7" height="7"/><rect x="14" y="14" width="7" height="7"/><rect x="3" y="14" width="7" height="7"/></svg>
                            </button>
                        </div>
                    </div>
                </div>
                <div class="grid" id="gallery-grid">
                    <div class="empty-state">
                        <svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" stroke-linecap="round" stroke-linejoin="round" style="margin: 0 auto 1rem; opacity: 0.3;"><rect x="3" y="3" width="18" height="18" rx="2" ry="2"/><circle cx="8.5" cy="8.5" r="1.5"/><polyline points="21 15 16 10 5 21"/></svg>
                        <p>No generations yet</p>
                        <p style="font-size: 0.875rem; margin-top: 0.5rem; opacity: 0.7;">Your creations will be saved here automatically</p>
                    </div>
                </div>
            </div>
        `;
    }
}

customElements.define('gallery-grid', GalleryGrid);