dify/web/app/components/datasets/create/file-preview/index.module.css

.filePreview {
    @apply flex flex-col border-l border-components-panel-border shrink-0 bg-background-default-lighter;
    width: 100%;
  }

  .previewHeader {
    @apply border-b border-divider-subtle shrink-0;
    margin: 42px 32px 0;
    padding-bottom: 16px;
  }

  .previewHeader .title {
    @apply flex justify-between items-center text-text-primary;
  }

  .previewHeader .fileName {
    @apply text-text-tertiary;
  }

  .previewHeader .filetype {
    @apply text-text-tertiary;
  }

  .previewContent {
    @apply overflow-y-auto grow text-text-secondary;
    padding: 20px 32px;
  }

  .previewContent .loading {
    width: 100%;
    height: 180px;
    background: transparent center no-repeat url(../assets/Loading.svg);
    background-size: contain;
  }

  .fileContent {
    white-space: pre-line;
    word-break: break-all;
  }