/* ✅ 圖片預覽容器 */
.upload-preview-area,
.upload-video-area {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  max-width: 1144px;
  overflow-x: hidden;
  padding: 2px;
  box-sizing: border-box;
}

/* ✅ 單一預覽圖/影片項目 */
.upload-preview-item {
  position: relative;
  width: 150px;
  height: auto;
  aspect-ratio: 1/1;
  margin: 4px;
  border: 1px solid #ccc;
  border-radius: 4px;
  overflow: hidden;
  box-sizing: border-box;
  flex-shrink: 0;
}


/* ✅ 影片專用預覽尺寸 */
/* .upload-preview-item .video-preview {

} */

/* ✅ 預覽內容樣式 */
.upload-preview-item img,
.upload-preview-item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: auto;
}

/* ✅ 刪除按鈕 */
.upload-preview-item .delete-btn {
  padding: 0px;
  position: absolute !important;
  top: 0px;
  right: 0px;
  background-color: #000;
  opacity: 0.5;
  color: #FFF;
  z-index: rgb(130, 127, 127)99 !important;
}

/* ✅ 拖曳中的 clone 外觀 */
.ui-sortable-helper {
  box-sizing: border-box;
  max-width: none !important;
  flex-shrink: 0 !important;
}

/* ✅ 拖曳區 hover 效果 */
.upload-drop-hover {
  border-color: #0d6efd !important;
}

/* ✅ 拖曳時的虛線佔位框 */
.sortable-placeholder {
  display: block !important;
  width: calc(10% - 8px);
  border: 2px dashed #aaa !important;
  background-color: #f8f9fa !important;
  border-radius: 4px;
  margin: 2px;
  box-sizing: border-box;
  flex-shrink: 0;
  visibility: visible !important;
}

/* ✅ 放置提示字 */
.sortable-placeholder::after {
  content: "放置處";
  display: block;
  text-align: center;
  color: #888;
  font-size: 0.75rem;
  line-height: 100px;
}

@media (max-width: 480px) {

  .upload-preview-item,
  .sortable-placeholder {
    width: calc(33.333% - 8px);
    /* 手機直立每列 3 張 */
  }
}