dragging

frontend/src/styles.css

@@ -313,6 +313,69 @@ button.icon-button.ghost:hover:not([disabled]) {
   color: var(--muted);
 }
 
+.document-drag-preview {
+  position: fixed;
+  pointer-events: none;
+  top: -9999px;
+  left: -9999px;
+  width: var(--drag-preview-size, 96px);
+  height: var(--drag-preview-size, 96px);
+  z-index: 9999;
+}
+
+.document-drag-preview__thumb {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  width: 64px;
+  height: 64px;
+  border-radius: 6px;
+  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.25);
+  overflow: hidden;
+  background-color: rgba(32, 34, 40, 0.2);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #fff;
+  font-weight: 600;
+  font-size: 0.8rem;
+  text-transform: uppercase;
+  transform: translate(-50%, -50%) rotate(var(--rotation-deg, 0deg));
+  transform-origin: center;
+}
+
+.document-drag-preview__thumb .document-thumbnail,
+.document-drag-preview__thumb img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  pointer-events: none;
+}
+
+.document-drag-preview__thumb .thumb-placeholder,
+.document-drag-preview__thumb .thumb-placeholder * {
+  width: 100%;
+  height: 100%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  pointer-events: none;
+}
+
+.document-drag-preview__count {
+  position: absolute;
+  bottom: 4px;
+  right: 4px;
+  background-color: var(--accent);
+  color: #fff;
+  border-radius: 999px;
+  padding: 0.25rem 0.5rem;
+  font-size: 0.75rem;
+  font-weight: 600;
+  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25);
+  pointer-events: none;
+}
+
 .preview-workspace__actions {
   display: flex;
   align-items: center;