deepseek-harness/packages/client/ui-attachment/src/DropOverlay.module.css

/* Full-viewport drop invitation (DeepSeek Chat DragMask). pointer-events:
   none — the layer is decoration; drag events must keep hitting the page so
   the owner's enter/leave count stays balanced. The frosted sheet color is
   the theme's drop-mask alias (dark override lives with the theme owner). */
.mask {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  background-color: var(--dsw-alias-bg-mask-drop);
  backdrop-filter: blur(10px);
  animation: fade-in 160ms ease-out;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .mask {
    animation: none;
  }
}

.wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: -3%;
  padding: 0 40px;
  color: var(--dsw-alias-label-primary);
  text-align: center;
}

.illustration {
  width: 115px;
  height: 84px;
}

.title {
  margin-top: 16px;
  font: var(--dsw-font-l-20);
}

.desc {
  margin-top: 16px;
  font: var(--dsw-font-s-14);
  color: var(--dsw-alias-label-tertiary);
  white-space: pre-wrap;
}