.fileUploadContainer {
  width: 100%;

  // 覆盖 antd Upload 组件的默认样式
  :global {
    .ant-upload {
      width: 100%;
    }

    .ant-upload-list {
      width: 100%;
    }

    .ant-upload-list-text {
      width: 100%;
    }

    .ant-upload-list-text .ant-upload-list-item {
      width: 100%;
    }
  }

  .fileUploadButton {
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: clamp(90px, 20vw, 180px);
    border: 2px dashed #d9d9d9;
    border-radius: 12px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;

    &:hover {
      border-color: #1890ff;
      background: linear-gradient(135deg, #f0f8ff 0%, #e6f7ff 100%);
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(24, 144, 255, 0.15);
    }

    &:active {
      transform: translateY(0);
    }

    .uploadingContainer {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      width: 100%;
      padding: 20px;

      .uploadingIcon {
        font-size: clamp(24px, 4vw, 32px);
        color: #1890ff;
        animation: pulse 2s infinite;
      }

      .uploadingText {
        font-size: clamp(11px, 2vw, 14px);
        color: #666;
        font-weight: 500;
      }

      .uploadProgress {
        width: 100%;
        max-width: 200px;
      }
    }

    .uploadContent {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
      padding: 20px;
      text-align: center;

      .uploadIcon {
        font-size: clamp(50px, 6vw, 48px);
        color: #1890ff;
        transition: all 0.3s ease;
      }

      .uploadText {
        .uploadTitle {
          font-size: clamp(14px, 2.5vw, 16px);
          font-weight: 600;
          color: #333;
          margin-bottom: 4px;
        }

        .uploadSubtitle {
          font-size: clamp(10px, 1.5vw, 14px);
          color: #666;
          line-height: 1.4;
        }
      }

      &:hover .uploadIcon {
        transform: scale(1.1);
        color: #40a9ff;
      }
    }
  }

  .fileItem {
    width: 100%;
    background: #fff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    transition: all 0.3s ease;

    &:hover {
      border-color: #1890ff;
      box-shadow: 0 4px 12px rgba(24, 144, 255, 0.1);
    }

    .fileItemContent {
      display: flex;
      align-items: center;
      gap: 12px;

      .fileIcon {
        width: clamp(28px, 5vw, 40px);
        height: clamp(28px, 5vw, 40px);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: clamp(14px, 2.5vw, 18px);
        flex-shrink: 0;

        // Excel文件图标样式
        :global(.anticon-file-excel) {
          color: #217346;
          background: rgba(33, 115, 70, 0.1);
        }

        // Word文件图标样式
        :global(.anticon-file-word) {
          color: #2b579a;
          background: rgba(43, 87, 154, 0.1);
        }

        // PPT文件图标样式
        :global(.anticon-file-ppt) {
          color: #d24726;
          background: rgba(210, 71, 38, 0.1);
        }

        // 默认文件图标样式
        :global(.anticon-file) {
          color: #666;
          background: rgba(102, 102, 102, 0.1);
        }
      }

      .fileInfo {
        flex: 1;
        min-width: 0;

        .fileName {
          font-size: clamp(11px, 2vw, 14px);
          font-weight: 500;
          color: #333;
          margin-bottom: 4px;
          overflow: hidden;
          text-overflow: ellipsis;
          white-space: nowrap;
        }

        .fileSize {
          font-size: clamp(10px, 1.5vw, 12px);
          color: #666;
        }
      }

      .fileActions {
        display: flex;
        gap: 4px;
        flex-shrink: 0;

        .previewBtn,
        .deleteBtn {
          padding: 4px 8px;
          border-radius: 6px;
          transition: all 0.3s ease;

          &:hover {
            background: #f5f5f5;
          }
        }

        .previewBtn {
          color: #1890ff;

          &:hover {
            color: #40a9ff;
            background: #e6f7ff;
          }
        }

        .deleteBtn {
          color: #ff4d4f;

          &:hover {
            color: #ff7875;
            background: #fff2f0;
          }
        }
      }
    }

    .itemProgress {
      margin-top: 8px;
    }
  }

  .filePreview {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f5f5f5;
    border-radius: 8px;
    overflow: hidden;

    iframe {
      border-radius: 8px;
    }
  }
}

// 禁用状态
.fileUploadContainer.disabled {
  opacity: 0.6;
  pointer-events: none;
}

// 错误状态
.fileUploadContainer.error {
  .fileUploadButton {
    border-color: #ff4d4f;
    background: #fff2f0;
  }
}

// 动画效果
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}