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frontend/node_modules/antd/es/upload/style/dragger.js

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+import { unit } from '@ant-design/cssinjs';
+const genDraggerStyle = token => {
+  const {
+    componentCls,
+    iconCls
+  } = token;
+  return {
+    [`${componentCls}-wrapper`]: {
+      [`${componentCls}-drag`]: {
+        position: 'relative',
+        width: '100%',
+        height: '100%',
+        textAlign: 'center',
+        background: token.colorFillAlter,
+        border: `${unit(token.lineWidth)} dashed ${token.colorBorder}`,
+        borderRadius: token.borderRadiusLG,
+        cursor: 'pointer',
+        transition: `border-color ${token.motionDurationSlow}`,
+        [componentCls]: {
+          padding: token.padding
+        },
+        [`${componentCls}-btn`]: {
+          display: 'table',
+          width: '100%',
+          height: '100%',
+          outline: 'none',
+          borderRadius: token.borderRadiusLG,
+          '&:focus-visible': {
+            outline: `${unit(token.lineWidthFocus)} solid ${token.colorPrimaryBorder}`
+          }
+        },
+        [`${componentCls}-drag-container`]: {
+          display: 'table-cell',
+          verticalAlign: 'middle'
+        },
+        [`
+          &:not(${componentCls}-disabled):hover,
+          &-hover:not(${componentCls}-disabled)
+        `]: {
+          borderColor: token.colorPrimaryHover
+        },
+        [`p${componentCls}-drag-icon`]: {
+          marginBottom: token.margin,
+          [iconCls]: {
+            color: token.colorPrimary,
+            fontSize: token.uploadThumbnailSize
+          }
+        },
+        [`p${componentCls}-text`]: {
+          margin: `0 0 ${unit(token.marginXXS)}`,
+          color: token.colorTextHeading,
+          fontSize: token.fontSizeLG
+        },
+        [`p${componentCls}-hint`]: {
+          color: token.colorTextDescription,
+          fontSize: token.fontSize
+        },
+        // ===================== Disabled =====================
+        [`&${componentCls}-disabled`]: {
+          [`p${componentCls}-drag-icon ${iconCls},
+            p${componentCls}-text,
+            p${componentCls}-hint
+          `]: {
+            color: token.colorTextDisabled
+          }
+        }
+      }
+    }
+  };
+};
+export default genDraggerStyle;