class CustomGalleryGrid extends HTMLElement {
    static get observedAttributes() {
        return ['items'];
    }

    constructor() {
        super();
        this.items = [];
    }

    connectedCallback() {
        this.attachShadow({ mode: 'open' });
        this.render();
    }

    setItems(items) {
        this.items = items;
        this.render();
    }

    render() {
        this.shadowRoot.innerHTML = `
            <style>
                :host {
                    display: block;
                }
                
                .gallery-grid {
                    display: grid;
                    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
                    gap: 1.5rem;
                }
                
                @media (max-width: 768px) {
                    .gallery-grid {
                        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
                    }
                }
                
                .gallery-item {
                    position: relative;
                    aspect-ratio: 16/10;
                    border-radius: 16px;
                    overflow: hidden;
                    cursor: pointer;
                    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                    background: rgba(30, 41, 59, 0.5);
                }
                
                .gallery-item:hover {
                    transform: translateY(-8px) scale(1.02);
                    box-shadow: 0 30px 60px rgba(14, 165, 233, 0.2);
                }
                
                .gallery-item img,
                .gallery-item video {
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    transition: transform 0.6s ease;
                }
                
                .gallery-item:hover img,
                .gallery-item:hover video {
                    transform: scale(1.1);
                }
                
                .item-overlay {
                    position: absolute;
                    inset: 0;
                    background: linear-gradient(to top, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.3) 50%, transparent 100%);
                    opacity: 0;
                    transition: opacity 0.3s ease;
                    display: flex;
                    flex-direction: column;
                    justify-content: flex-end;
                    padding: 1.5rem;
                }
                
                .gallery-item:hover .item-overlay {
                    opacity: 1;
                }
                
                .resolution-badge {
                    position: absolute;
                    top: 1rem;
                    right: 1rem;
                    padding: 0.375rem 0.75rem;
                    background: linear-gradient(135deg, #0ea5e9, #d946ef);
                    border-radius: 8px;
                    font-size: 0.75rem;
                    font-weight: 700;
                    color: white;
                    text-transform: uppercase;
                }
                
                .item-prompt {
                    font-size: 0.875rem;
                    color: #e2e8f0;
                    line-height: 1.5;
                    display: -webkit-box;
                    -webkit-line-clamp: 2;
                    -webkit-box-orient: vertical;
                    overflow: hidden;
                    margin-bottom: 0.75rem;
                }
                
                .item-meta {
                    display: flex;
                    align-items: center;
                    justify-content: space-between;
                    font-size: 0.75rem;
                    color: #94a3b8;
                }
                
                .item-actions {
                    display: flex;
                    gap: 0.5rem;
                }
                
                .action-btn {
                    width: 36px;
                    height: 36px;
                    border-radius: 10px;
                    background: rgba(255, 255, 255, 0.1);
                    border: 1px solid rgba(255, 255, 255, 0.1);
                    color: white;
                    cursor: pointer;
                    transition: all 0.2s ease;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                }
                
                .action-btn:hover {
                    background: #0ea5e9;
                    border-color: #0ea5e9;
                }
                
                .empty-state {
                    text-align: center;
                    padding: 4rem;
                    color: #64748b;
                }
                
                .loading-skeleton {
                    aspect-ratio: 16/10;
                    border-radius: 16px;
                    background: linear-gradient(90deg, rgba(30, 41, 59, 0.5) 25%, rgba(30, 41, 59, 0.8) 50%, rgba(30, 41, 59, 0.5) 75%);
                    background-size: 200% 100%;
                    animation: shimmer 1.5s infinite;
                }
                
                @keyframes shimmer {
                    0% { background-position: 200% 0; }
                    100% { background-position: -200% 0; }
                }
            </style>
            
            <div class="gallery-grid">
                    ${this.items.length === 0 ? `
                    <div class="loading-skeleton"></div>
                    <div class="loading-skeleton"></div>
                    <div class="loading-skeleton"></div>
                    <div class="loading-skeleton"></div>
                ` : this.items.map(item => `
                    <div class="gallery-item" data-id="${item.id}">
                        ${item.result.qualityLabel ? `
                            <span class="resolution-badge ${item.isFallback ? 'bg-amber-500/20 text-amber-400' : ''}">
                                ${item.result.qualityLabel}
                                ${item.isFallback ? ' (Demo)' : ''}
                            </span>
                        ` : ''}
<img src="${item.result.url}" alt="${item.prompt}" loading="lazy">
                        <div class="item-overlay">
                            <p class="item-prompt">${item.prompt}</p>
                            <div class="item-meta">
                                <span>${item.mode.toUpperCase()} • ${item.result.resolution || 'Standard'}</span>
                                <div class="item-actions">
                                    <button class="action-btn" title="Download">
                                        <i data-feather="download" style="width: 16px; height: 16px;"></i>
                                    </button>
                                    <button class="action-btn" title="Expand">
                                        <i data-feather="maximize-2" style="width: 16px; height: 16px;"></i>
                                    </button>
                                </div>
                            </div>
                        </div>
                    </div>
                `).join('')}
            </div>
        `;
        
        if (window.feather) {
            setTimeout(() => feather.replace(), 0);
        }
    }
}

customElements.define('custom-gallery-grid', CustomGalleryGrid);