Feat: Render DynamicCategorize with shadcn-ui. #3221 (#5610)

### What problem does this PR solve?

Feat: Render DynamicCategorize with shadcn-ui. #3221

### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/components/large-model-form-field.tsx

@@ -0,0 +1,31 @@
+import {
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from '@/components/ui/form';
+import { useFormContext } from 'react-hook-form';
+import { useTranslation } from 'react-i18next';
+import { NextLLMSelect } from './llm-select';
+
+export function LargeModelFormField() {
+  const form = useFormContext();
+  const { t } = useTranslation();
+
+  return (
+    <FormField
+      control={form.control}
+      name="llm_id"
+      render={({ field }) => (
+        <FormItem>
+          <FormLabel tooltip={t('chat.modelTip')}>{t('chat.model')}</FormLabel>
+          <FormControl>
+            <NextLLMSelect {...field} />
+          </FormControl>
+          <FormMessage />
+        </FormItem>
+      )}
+    />
+  );
+}

web/src/pages/agent/form-sheet/index.tsx

@@ -1,208 +0,0 @@
-import { useTranslate } from '@/hooks/common-hooks';
-import { IModalProps } from '@/interfaces/common';
-import { Flex, Form, Input } from 'antd';
-import { get, isPlainObject, lowerFirst } from 'lodash';
-import { Play } from 'lucide-react';
-import { useEffect, useRef } from 'react';
-import { BeginId, Operator, operatorMap } from '../constant';
-import AkShareForm from '../form/akshare-form';
-import AnswerForm from '../form/answer-form';
-import ArXivForm from '../form/arxiv-form';
-import BaiduFanyiForm from '../form/baidu-fanyi-form';
-import BaiduForm from '../form/baidu-form';
-import BeginForm from '../form/begin-form';
-import BingForm from '../form/bing-form';
-import CategorizeForm from '../form/categorize-form';
-import CrawlerForm from '../form/crawler-form';
-import DeepLForm from '../form/deepl-form';
-import DuckDuckGoForm from '../form/duckduckgo-form';
-import EmailForm from '../form/email-form';
-import ExeSQLForm from '../form/exesql-form';
-import GenerateForm from '../form/generate-form';
-import GithubForm from '../form/github-form';
-import GoogleForm from '../form/google-form';
-import GoogleScholarForm from '../form/google-scholar-form';
-import InvokeForm from '../form/invoke-form';
-import Jin10Form from '../form/jin10-form';
-import KeywordExtractForm from '../form/keyword-extract-form';
-import MessageForm from '../form/message-form';
-import PubMedForm from '../form/pubmed-form';
-import QWeatherForm from '../form/qweather-form';
-import RelevantForm from '../form/relevant-form';
-import RetrievalForm from '../form/retrieval-form/next';
-import RewriteQuestionForm from '../form/rewrite-question-form';
-import SwitchForm from '../form/switch-form';
-import TemplateForm from '../form/template-form';
-import TuShareForm from '../form/tushare-form';
-import WenCaiForm from '../form/wencai-form';
-import WikipediaForm from '../form/wikipedia-form';
-import YahooFinanceForm from '../form/yahoo-finance-form';
-import { useHandleFormValuesChange, useHandleNodeNameChange } from '../hooks';
-import OperatorIcon from '../operator-icon';
-import {
-  buildCategorizeListFromObject,
-  needsSingleStepDebugging,
-} from '../utils';
-
-import { Sheet, SheetContent, SheetHeader } from '@/components/ui/sheet';
-import { RAGFlowNodeType } from '@/interfaces/database/flow';
-import { FlowFormContext } from '../context';
-import { RunTooltip } from '../flow-tooltip';
-import IterationForm from '../form/iteration-from';
-
-import styles from './index.less';
-
-interface IProps {
-  node?: RAGFlowNodeType;
-  singleDebugDrawerVisible: IModalProps<any>['visible'];
-  hideSingleDebugDrawer: IModalProps<any>['hideModal'];
-  showSingleDebugDrawer: IModalProps<any>['showModal'];
-}
-
-const FormMap = {
-  [Operator.Begin]: BeginForm,
-  [Operator.Retrieval]: RetrievalForm,
-  [Operator.Generate]: GenerateForm,
-  [Operator.Answer]: AnswerForm,
-  [Operator.Categorize]: CategorizeForm,
-  [Operator.Message]: MessageForm,
-  [Operator.Relevant]: RelevantForm,
-  [Operator.RewriteQuestion]: RewriteQuestionForm,
-  [Operator.Baidu]: BaiduForm,
-  [Operator.DuckDuckGo]: DuckDuckGoForm,
-  [Operator.KeywordExtract]: KeywordExtractForm,
-  [Operator.Wikipedia]: WikipediaForm,
-  [Operator.PubMed]: PubMedForm,
-  [Operator.ArXiv]: ArXivForm,
-  [Operator.Google]: GoogleForm,
-  [Operator.Bing]: BingForm,
-  [Operator.GoogleScholar]: GoogleScholarForm,
-  [Operator.DeepL]: DeepLForm,
-  [Operator.GitHub]: GithubForm,
-  [Operator.BaiduFanyi]: BaiduFanyiForm,
-  [Operator.QWeather]: QWeatherForm,
-  [Operator.ExeSQL]: ExeSQLForm,
-  [Operator.Switch]: SwitchForm,
-  [Operator.WenCai]: WenCaiForm,
-  [Operator.AkShare]: AkShareForm,
-  [Operator.YahooFinance]: YahooFinanceForm,
-  [Operator.Jin10]: Jin10Form,
-  [Operator.TuShare]: TuShareForm,
-  [Operator.Crawler]: CrawlerForm,
-  [Operator.Invoke]: InvokeForm,
-  [Operator.Concentrator]: () => <></>,
-  [Operator.Note]: () => <></>,
-  [Operator.Template]: TemplateForm,
-  [Operator.Email]: EmailForm,
-  [Operator.Iteration]: IterationForm,
-  [Operator.IterationStart]: () => <></>,
-};
-
-const EmptyContent = () => <div></div>;
-
-const FormDrawer = ({
-  visible,
-  hideModal,
-  node,
-  singleDebugDrawerVisible,
-  hideSingleDebugDrawer,
-  showSingleDebugDrawer,
-}: IModalProps<any> & IProps) => {
-  const operatorName: Operator = node?.data.label as Operator;
-  const OperatorForm = FormMap[operatorName] ?? EmptyContent;
-  const [form] = Form.useForm();
-  const { name, handleNameBlur, handleNameChange } = useHandleNodeNameChange({
-    id: node?.id,
-    data: node?.data,
-  });
-  const previousId = useRef<string | undefined>(node?.id);
-
-  const { t } = useTranslate('flow');
-
-  const { handleValuesChange } = useHandleFormValuesChange(node?.id);
-
-  useEffect(() => {
-    if (visible) {
-      if (node?.id !== previousId.current) {
-        form.resetFields();
-      }
-
-      if (operatorName === Operator.Categorize) {
-        const items = buildCategorizeListFromObject(
-          get(node, 'data.form.category_description', {}),
-        );
-        const formData = node?.data?.form;
-        if (isPlainObject(formData)) {
-          form.setFieldsValue({ ...formData, items });
-        }
-      } else {
-        form.setFieldsValue(node?.data?.form);
-      }
-      previousId.current = node?.id;
-    }
-  }, [visible, form, node?.data?.form, node?.id, node, operatorName]);
-
-  return (
-    <Sheet onOpenChange={hideModal} open={visible}>
-      <SheetContent>
-        <SheetHeader>
-          <Flex vertical>
-            <Flex gap={'middle'} align="center">
-              <OperatorIcon
-                name={operatorName}
-                color={operatorMap[operatorName]?.color}
-              ></OperatorIcon>
-              <Flex align="center" gap={'small'} flex={1}>
-                <label htmlFor="" className={styles.title}>
-                  {t('title')}
-                </label>
-                {node?.id === BeginId ? (
-                  <span>{t(BeginId)}</span>
-                ) : (
-                  <Input
-                    value={name}
-                    onBlur={handleNameBlur}
-                    onChange={handleNameChange}
-                  ></Input>
-                )}
-              </Flex>
-
-              {needsSingleStepDebugging(operatorName) && (
-                <RunTooltip>
-                  <Play
-                    className="size-5 cursor-pointer"
-                    onClick={showSingleDebugDrawer}
-                  />
-                </RunTooltip>
-              )}
-              {/* <CloseOutlined onClick={hideModal} /> */}
-            </Flex>
-            <span className={styles.operatorDescription}>
-              {t(`${lowerFirst(operatorName)}Description`)}
-            </span>
-          </Flex>
-        </SheetHeader>
-        <section className={styles.formWrapper}>
-          {visible && (
-            <FlowFormContext.Provider value={node}>
-              <OperatorForm
-                onValuesChange={handleValuesChange}
-                form={form}
-                node={node}
-              ></OperatorForm>
-            </FlowFormContext.Provider>
-          )}
-        </section>
-      </SheetContent>
-      {/* {singleDebugDrawerVisible && (
-        <SingleDebugDrawer
-          visible={singleDebugDrawerVisible}
-          hideModal={hideSingleDebugDrawer}
-          componentId={node?.id}
-        ></SingleDebugDrawer>
-      )} */}
-    </Sheet>
-  );
-};
-
-export default FormDrawer;

web/src/pages/agent/form-sheet/next.tsx

@@ -8,6 +8,7 @@ import {
 import { useTranslate } from '@/hooks/common-hooks';
 import { IModalProps } from '@/interfaces/common';
 import { RAGFlowNodeType } from '@/interfaces/database/flow';
+import { cn } from '@/lib/utils';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { get, isPlainObject, lowerFirst } from 'lodash';
 import { Play, X } from 'lucide-react';
@@ -94,9 +95,9 @@ const FormSheet = ({
   return (
     <Sheet open={visible} modal={false}>
       <SheetTitle className="hidden"></SheetTitle>
-      <SheetContent className="bg-white top-20" closeIcon={false}>
+      <SheetContent className={cn('bg-white top-20 p-0')} closeIcon={false}>
         <SheetHeader>
-          <section className="flex-col border-b pb-2">
+          <section className="flex-col border-b py-2 px-5">
             <div className="flex items-center gap-2 pb-3">
               <OperatorIcon
                 name={operatorName}

web/src/pages/agent/form-sheet/use-form-config-map.tsx

@@ -99,8 +99,15 @@ export function useFormConfigMap() {
     },
     [Operator.Categorize]: {
       component: CategorizeForm,
-      defaultValues: {},
-      schema: z.object({}),
+      defaultValues: { message_history_window_size: 1 },
+      schema: z.object({
+        message_history_window_size: z.number(),
+        items: z.array(
+          z.object({
+            name: z.string().min(1, t('flow.nameMessage')).trim(),
+          }),
+        ),
+      }),
     },
     [Operator.Message]: {
       component: MessageForm,

web/src/pages/agent/form/categorize-form/dynamic-categorize.tsx

@@ -1,18 +1,25 @@
+import { Button } from '@/components/ui/button';
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger,
+} from '@/components/ui/collapsible';
+import {
+  FormControl,
+  FormField,
+  FormItem,
+  FormLabel,
+  FormMessage,
+} from '@/components/ui/form';
+import { Input } from '@/components/ui/input';
+import { RAGFlowSelect } from '@/components/ui/select';
+import { Textarea } from '@/components/ui/textarea';
 import { useTranslate } from '@/hooks/common-hooks';
-import { CloseOutlined, PlusOutlined } from '@ant-design/icons';
+import { PlusOutlined } from '@ant-design/icons';
 import { useUpdateNodeInternals } from '@xyflow/react';
-import {
-  Button,
-  Collapse,
-  Flex,
-  Form,
-  FormListFieldData,
-  Input,
-  Select,
-} from 'antd';
-import { FormInstance } from 'antd/lib';
-import { humanId } from 'human-id';
+import humanId from 'human-id';
 import trim from 'lodash/trim';
+import { ChevronsUpDown, X } from 'lucide-react';
 import {
   ChangeEventHandler,
   FocusEventHandler,
@@ -20,11 +27,10 @@ import {
   useEffect,
   useState,
 } from 'react';
+import { UseFormReturn, useFieldArray, useFormContext } from 'react-hook-form';
 import { Operator } from '../../constant';
 import { useBuildFormSelectOptions } from '../../form-hooks';
 
-import styles from './index.less';
-
 interface IProps {
   nodeId?: string;
 }
@@ -33,20 +39,20 @@ interface INameInputProps {
   value?: string;
   onChange?: (value: string) => void;
   otherNames?: string[];
-  validate(errors: string[]): void;
+  validate(error?: string): void;
 }
 
 const getOtherFieldValues = (
-  form: FormInstance,
+  form: UseFormReturn,
   formListName: string = 'items',
-  field: FormListFieldData,
+  index: number,
   latestField: string,
 ) =>
-  (form.getFieldValue([formListName]) ?? [])
+  (form.getValues(formListName) ?? [])
     .map((x: any) => x[latestField])
     .filter(
       (x: string) =>
-        x !== form.getFieldValue([formListName, field.name, latestField]),
+        x !== form.getValues(`${formListName}.${index}.${latestField}`),
     );
 
 const NameInput = ({
@@ -61,15 +67,16 @@ const NameInput = ({
   const handleNameChange: ChangeEventHandler<HTMLInputElement> = useCallback(
     (e) => {
       const val = e.target.value;
+      setName(val);
+      const trimmedVal = trim(val);
       // trigger validation
-      if (otherNames?.some((x) => x === val)) {
-        validate([t('nameRepeatedMsg')]);
-      } else if (trim(val) === '') {
-        validate([t('nameRequiredMsg')]);
+      if (otherNames?.some((x) => x === trimmedVal)) {
+        validate(t('nameRepeatedMsg'));
+      } else if (trimmedVal === '') {
+        validate(t('nameRequiredMsg'));
       } else {
-        validate([]);
+        validate('');
       }
-      setName(val);
     },
     [otherNames, validate, t],
   );
@@ -97,128 +104,161 @@ const NameInput = ({
   );
 };
 
-const FormSet = ({ nodeId, field }: IProps & { field: FormListFieldData }) => {
-  const form = Form.useFormInstance();
+const FormSet = ({ nodeId, index }: IProps & { index: number }) => {
+  const form = useFormContext();
   const { t } = useTranslate('flow');
   const buildCategorizeToOptions = useBuildFormSelectOptions(
     Operator.Categorize,
     nodeId,
   );
 
+  const buildFieldName = useCallback(
+    (name: string) => {
+      return `items.${index}.${name}`;
+    },
+    [index],
+  );
+
   return (
-    <section>
-      <Form.Item
-        label={t('categoryName')}
-        name={[field.name, 'name']}
-        validateTrigger={['onChange', 'onBlur']}
-        rules={[
-          {
-            required: true,
-            whitespace: true,
-            message: t('nameMessage'),
-          },
-        ]}
-      >
-        <NameInput
-          otherNames={getOtherFieldValues(form, 'items', field, 'name')}
-          validate={(errors: string[]) =>
-            form.setFields([
-              {
-                name: ['items', field.name, 'name'],
-                errors,
-              },
-            ])
-          }
-        ></NameInput>
-      </Form.Item>
-      <Form.Item label={t('description')} name={[field.name, 'description']}>
-        <Input.TextArea rows={3} />
-      </Form.Item>
-      <Form.Item label={t('examples')} name={[field.name, 'examples']}>
-        <Input.TextArea rows={3} />
-      </Form.Item>
-      <Form.Item label={t('nextStep')} name={[field.name, 'to']}>
-        <Select
-          allowClear
-          options={buildCategorizeToOptions(
-            getOtherFieldValues(form, 'items', field, 'to'),
-          )}
-        />
-      </Form.Item>
-      <Form.Item hidden name={[field.name, 'index']}>
-        <Input />
-      </Form.Item>
+    <section className="space-y-4">
+      <FormField
+        control={form.control}
+        name={buildFieldName('name')}
+        render={({ field }) => (
+          <FormItem>
+            <FormLabel>{t('categoryName')}</FormLabel>
+            <FormControl>
+              <NameInput
+                {...field}
+                otherNames={getOtherFieldValues(form, 'items', index, 'name')}
+                validate={(error?: string) => {
+                  const fieldName = buildFieldName('name');
+                  if (error) {
+                    form.setError(fieldName, { message: error });
+                  } else {
+                    form.clearErrors(fieldName);
+                  }
+                }}
+              ></NameInput>
+            </FormControl>
+            <FormMessage />
+          </FormItem>
+        )}
+      />
+      <FormField
+        control={form.control}
+        name={buildFieldName('description')}
+        render={({ field }) => (
+          <FormItem>
+            <FormLabel>{t('description')}</FormLabel>
+            <FormControl>
+              <Textarea {...field} rows={3} />
+            </FormControl>
+            <FormMessage />
+          </FormItem>
+        )}
+      />
+      <FormField
+        control={form.control}
+        name={buildFieldName('examples')}
+        render={({ field }) => (
+          <FormItem>
+            <FormLabel>{t('examples')}</FormLabel>
+            <FormControl>
+              <Textarea {...field} rows={3} />
+            </FormControl>
+            <FormMessage />
+          </FormItem>
+        )}
+      />
+      <FormField
+        control={form.control}
+        name={buildFieldName('to')}
+        render={({ field }) => (
+          <FormItem>
+            <FormLabel>{t('nextStep')}</FormLabel>
+            <FormControl>
+              <RAGFlowSelect
+                {...field}
+                allowClear
+                options={buildCategorizeToOptions(
+                  getOtherFieldValues(form, 'items', index, 'to'),
+                )}
+              />
+            </FormControl>
+            <FormMessage />
+          </FormItem>
+        )}
+      />
+      <FormField
+        control={form.control}
+        name="index"
+        render={({ field }) => (
+          <FormItem className="hidden">
+            <FormLabel>{t('examples')}</FormLabel>
+            <FormControl>
+              <Input {...field} />
+            </FormControl>
+            <FormMessage />
+          </FormItem>
+        )}
+      />
     </section>
   );
 };
 
 const DynamicCategorize = ({ nodeId }: IProps) => {
   const updateNodeInternals = useUpdateNodeInternals();
-  const form = Form.useFormInstance();
-
+  const form = useFormContext();
   const { t } = useTranslate('flow');
+  const { fields, remove, append } = useFieldArray({
+    name: 'items',
+    control: form.control,
+  });
+
+  const handleAdd = () => {
+    append({
+      name: humanId(),
+    });
+    if (nodeId) updateNodeInternals(nodeId);
+  };
 
   return (
-    <>
-      <Form.List name="items">
-        {(fields, { add, remove }) => {
-          const handleAdd = () => {
-            const idx = form.getFieldValue([
-              'items',
-              fields.at(-1)?.name,
-              'index',
-            ]);
-            add({
-              name: humanId(),
-              index: fields.length === 0 ? 0 : idx + 1,
-            });
-            if (nodeId) updateNodeInternals(nodeId);
-          };
-
-          return (
-            <Flex gap={18} vertical>
-              {fields.map((field) => (
-                <Collapse
-                  size="small"
-                  key={field.key}
-                  className={styles.caseCard}
-                  items={[
-                    {
-                      key: field.key,
-                      label: (
-                        <div className="flex justify-between">
-                          <span>
-                            {form.getFieldValue(['items', field.name, 'name'])}
-                          </span>
-                          <CloseOutlined
-                            onClick={() => {
-                              remove(field.name);
-                            }}
-                          />
-                        </div>
-                      ),
-                      children: (
-                        <FormSet nodeId={nodeId} field={field}></FormSet>
-                      ),
-                    },
-                  ]}
-                ></Collapse>
-              ))}
-
-              <Button
-                type="dashed"
-                onClick={handleAdd}
-                block
-                className={styles.addButton}
-                icon={<PlusOutlined />}
-              >
-                {t('addCategory')}
-              </Button>
-            </Flex>
-          );
-        }}
-      </Form.List>
-    </>
+    <div className="flex flex-col gap-4 ">
+      {fields.map((field, index) => (
+        <Collapsible key={field.id}>
+          <div className="flex items-center justify-between space-x-4">
+            <h4 className="font-bold">
+              {form.getValues(`items.${index}.name`)}
+            </h4>
+            <CollapsibleTrigger asChild>
+              <div className="flex gap-4">
+                <Button
+                  variant="ghost"
+                  size="sm"
+                  className="w-9 p-0"
+                  onClick={() => remove(index)}
+                >
+                  <X className="h-4 w-4" />
+                </Button>
+                <Button variant="ghost" size="sm" className="w-9 p-0">
+                  <ChevronsUpDown className="h-4 w-4" />
+                  <span className="sr-only">Toggle</span>
+                </Button>
+              </div>
+            </CollapsibleTrigger>
+          </div>
+          <CollapsibleContent>
+            <FormSet nodeId={nodeId} index={index}></FormSet>
+          </CollapsibleContent>
+        </Collapsible>
+      ))}
+
+      <Button type={'button'} onClick={handleAdd}>
+        <PlusOutlined />
+        {t('addCategory')}
+      </Button>
+    </div>
   );
 };
 

web/src/pages/agent/form/categorize-form/index.less

@@ -1,13 +0,0 @@
-@lightBackgroundColor: rgba(150, 150, 150, 0.07);
-@darkBackgroundColor: rgba(150, 150, 150, 0.12);
-
-.caseCard {
-  :global(.ant-collapse-content) {
-    background-color: @darkBackgroundColor;
-  }
-}
-
-.addButton {
-  color: rgb(22, 119, 255);
-  font-weight: 600;
-}

web/src/pages/agent/form/categorize-form/index.tsx

@@ -1,41 +1,33 @@
-import LLMSelect from '@/components/llm-select';
-import MessageHistoryWindowSizeItem from '@/components/message-history-window-size-item';
-import { useTranslate } from '@/hooks/common-hooks';
-import { Form } from 'antd';
-import { IOperatorForm } from '../../interface';
-import DynamicInputVariable from '../components/dynamic-input-variable';
+import { LargeModelFormField } from '@/components/large-model-form-field';
+import { MessageHistoryWindowSizeFormField } from '@/components/message-history-window-size-item';
+import { Form } from '@/components/ui/form';
+import { INextOperatorForm } from '../../interface';
+import { DynamicInputVariable } from '../components/next-dynamic-input-variable';
 import DynamicCategorize from './dynamic-categorize';
-import { useHandleFormValuesChange } from './hooks';
 
-const CategorizeForm = ({ form, onValuesChange, node }: IOperatorForm) => {
-  const { t } = useTranslate('flow');
-  const { handleValuesChange } = useHandleFormValuesChange({
-    form,
-    nodeId: node?.id,
-    onValuesChange,
-  });
+const CategorizeForm = ({ form, node }: INextOperatorForm) => {
+  // const { handleValuesChange } = useHandleFormValuesChange({
+  //   form,
+  //   nodeId: node?.id,
+  //   onValuesChange,
+  // });
 
   return (
     <Form
-      name="basic"
-      autoComplete="off"
-      form={form}
-      onValuesChange={handleValuesChange}
-      initialValues={{ items: [{}] }}
-      layout={'vertical'}
+      // onValuesChange={handleValuesChange}
+      {...form}
     >
-      <DynamicInputVariable node={node}></DynamicInputVariable>
-      <Form.Item
-        name={'llm_id'}
-        label={t('model', { keyPrefix: 'chat' })}
-        tooltip={t('modelTip', { keyPrefix: 'chat' })}
+      <form
+        className="space-y-6 p-5 overflow-auto max-h-[76vh]"
+        onSubmit={(e) => {
+          e.preventDefault();
+        }}
       >
-        <LLMSelect></LLMSelect>
-      </Form.Item>
-      <MessageHistoryWindowSizeItem
-        initialValue={1}
-      ></MessageHistoryWindowSizeItem>
-      <DynamicCategorize nodeId={node?.id}></DynamicCategorize>
+        <DynamicInputVariable node={node}></DynamicInputVariable>
+        <LargeModelFormField></LargeModelFormField>
+        <MessageHistoryWindowSizeFormField></MessageHistoryWindowSizeFormField>
+        <DynamicCategorize nodeId={node?.id}></DynamicCategorize>
+      </form>
     </Form>
   );
 };

web/src/pages/agent/form/message-form/index.less

@@ -1,16 +0,0 @@
-.dynamicDeleteButton {
-  position: relative;
-  top: 4px;
-  margin: 0 8px;
-  color: #999;
-  font-size: 24px;
-  cursor: pointer;
-  transition: all 0.3s;
-  &:hover {
-    color: #777;
-  }
-  &[disabled] {
-    cursor: not-allowed;
-    opacity: 0.5;
-  }
-}