.zpdu-drop-active {
    outline: 2px dashed var(--focus-color, #2997f7) !important;
    outline-offset: -6px;
    background: rgba(41,151,247,.06) !important;
}
.zpdu-uploading {
    padding: 8px 12px;
    margin: 8px 0;
    border-radius: 6px;
    background: rgba(41,151,247,.08);
    color: #666;
    font-size: 13px;
}
.zpdu-uploading:before {
    content: "";
    display: inline-block;
    width: .8em;
    height: .8em;
    margin-right: 6px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    vertical-align: -1px;
    animation: zpdu-spin .8s linear infinite;
}
@keyframes zpdu-spin { to { transform: rotate(360deg); } }