.drop-zone{border:2px dashed #cbd5e1;border-radius:.5rem;transition:all 0.3s ease}.drop-zone:hover,.drop-zone.dragover{border-color:#3b82f6;background-color:#f0f7ff}.image-preview{transition:transform 0.3s ease}.image-preview:hover{transform:scale(1.02)}.processing-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgb(255 255 255 / .9);z-index:1000;justify-content:center;align-items:center}.tooltip{position:relative;display:inline-block}.tooltip .tooltiptext{visibility:hidden;width:200px;background-color:#555;color:#fff;text-align:center;border-radius:6px;padding:5px;position:absolute;z-index:1;bottom:125%;left:50%;margin-left:-100px;opacity:0;transition:opacity 0.3s}.tooltip:hover .tooltiptext{visibility:visible;opacity:1}