.drop-zone-overlay{background:var(--color-info-bg);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;border:3px dashed var(--color-border-subtle);color:var(--color-text-primary);pointer-events:none;border-radius:12px;justify-content:center;align-items:center;margin:8px;animation:.2s ease-out fadeIn;display:flex;position:absolute;inset:0}.drop-zone-content{text-align:center}.drop-zone-content p{margin:1rem 0 .5rem;font-size:1.25rem;font-weight:600}.optimization-note{opacity:.8;font-size:.875rem}.pulse-icon{animation:2s infinite pulse}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.1)}to{opacity:1;transform:scale(1)}}