.gallery-container{max-width:1200px;margin:0 auto;padding:20px;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}.gallery-header{text-align:center;margin-bottom:40px;padding:0 20px}.gallery-header h1{margin:0 0 8px;color:#1a1a1a;font-size:2.5rem;font-weight:700}.gallery-header p{margin:0 0 16px;color:#666;font-size:1.1rem}.gallery-stats{color:#888;font-size:.9rem}.groups-section{margin-top:20px}.groups-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;padding:0 20px}.group-card{background:white;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08);cursor:pointer;transition:all .3s ease;border:1px solid #f0f0f0}.group-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.12)}.group-preview{position:relative;width:100%;height:200px;background:#f8f9fa;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:2px}.preview-image{background-size:cover;background-position:50%;background-repeat:no-repeat;transition:transform .3s ease}.preview-1{grid-column:1;grid-row:1/span 2}.preview-2{grid-column:2;grid-row:1}.preview-3{grid-column:2;grid-row:2}.group-card:hover .preview-image{transform:scale(1.05)}.more-images-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.7);color:white;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:600}.group-info{padding:16px}.group-title{margin:0 0 8px;color:#1a1a1a;font-size:1.1rem;font-weight:600;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.group-meta{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:#666}.image-count{font-weight:500}.upload-date{color:#888}.group-modal{position:fixed;top:0;left:0;background:rgba(0,0,0,.95);align-items:center;justify-content:center;z-index:1000;padding:20px}.group-modal,.modal-content{width:100%;height:100%;display:flex}.modal-content{position:relative;max-width:90vw;max-height:90vh;background:white;border-radius:12px;overflow:hidden;flex-direction:column;animation:modalAppear .3s ease}@keyframes modalAppear{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.close-button{position:absolute;top:16px;right:16px;background:rgba(0,0,0,.8);color:white;border:none;width:40px;height:40px;border-radius:50%;cursor:pointer;z-index:1001;display:flex;align-items:center;justify-content:center;transition:background .2s ease}.close-button:hover{background:rgba(0,0,0,1)}.modal-header{padding:20px 24px 16px;border-bottom:1px solid #f0f0f0;background:white}.modal-header h2{margin:0 0 8px;color:#1a1a1a;font-size:1.25rem;font-weight:600}.modal-meta{display:flex;gap:16px;font-size:.9rem;color:#666}.modal-image-container{position:relative;flex:1;display:flex;align-items:center;justify-content:center;background:#f8f9fa;min-height:0;overflow:hidden}.modal-image{max-width:100%;max-height:100%;-o-object-fit:contain;object-fit:contain}.nav-button{position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,.7);color:white;border:none;width:48px;height:48px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;z-index:100}.nav-button:hover:not(:disabled){background:rgba(0,0,0,.9);transform:translateY(-50%) scale(1.05)}.nav-button:disabled{opacity:.3;cursor:not-allowed}.prev-button{left:20px}.next-button{right:20px}.modal-footer{padding:16px 24px;border-top:1px solid #f0f0f0;background:white;display:flex;justify-content:space-between;align-items:center}.image-counter{font-weight:600;color:#1a1a1a}.image-info{display:flex;gap:16px;font-size:.85rem;color:#666}.thumbnail-strip{padding:16px 24px;border-top:1px solid #f0f0f0;background:#fafafa;display:flex;gap:8px;overflow-x:auto}.thumbnail{width:60px;height:60px;border-radius:6px;overflow:hidden;cursor:pointer;border:2px solid transparent;flex-shrink:0;transition:all .2s ease}.thumbnail:hover{transform:scale(1.05)}.thumbnail.active{border-color:#0070f3}.thumbnail img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.gallery-loading{text-align:center;padding:80px 20px;color:#666}.loading-spinner{width:40px;height:40px;border:3px solid #f0f0f0;border-top-color:#0070f3;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.gallery-error{text-align:center;padding:80px 20px}.gallery-error h2{color:#d32f2f;margin:0 0 16px}.gallery-error p{color:#666;margin:0 0 24px}.gallery-error button{padding:12px 24px;background-color:#0070f3;color:white;border:none;border-radius:6px;cursor:pointer;font-size:.9rem;transition:background-color .2s ease}.gallery-error button:hover{background-color:#005bbd}.empty-gallery{text-align:center;padding:80px 20px;color:#666}.empty-gallery div{font-size:4rem;margin-bottom:16px;opacity:.5}.empty-gallery h3{margin:0 0 8px;color:#1a1a1a}.empty-gallery p{margin:0}@media (max-width:768px){.gallery-container{padding:16px}.gallery-header h1{font-size:2rem}.groups-grid{grid-template-columns:1fr;gap:16px;padding:0}.group-preview{height:160px}.modal-content{max-width:95vw;max-height:95vh;border-radius:8px}.modal-header{padding:16px 20px 12px}.modal-header h2{font-size:1.1rem}.modal-meta{flex-direction:column;gap:4px}.nav-button{width:40px;height:40px}.prev-button{left:12px}.next-button{right:12px}.modal-footer{flex-direction:column;gap:8px;align-items:flex-start}.modal-footer,.thumbnail-strip{padding:12px 20px}.thumbnail{width:50px;height:50px}}@media (max-width:480px){.gallery-header{margin-bottom:24px}.gallery-header h1{font-size:1.75rem}.group-info{padding:12px}.group-title{font-size:1rem}.close-button{top:12px;right:12px;width:36px;height:36px}}