.drop-zone.drag-over{border-color:var(--primary-color);background:var(--primary-light);transform:scale(1.02)}.preview-item{position:relative;background:var(--drop-zone-bg);border-radius:8px;overflow:hidden;box-shadow:var(--shadow-sm);transition:all .3s ease}.preview-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.preview-image{width:100%;aspect-ratio:1;object-fit:contain;background:#fff}.preview-info{padding:.8rem;font-size:.9rem;border-top:1px solid var(--border-color)}