faq, privacy-policy and about page complated

src/shared/ui/form.tsx

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+'use client';
+
+import * as React from 'react';
+import type * as LabelPrimitive from '@radix-ui/react-label';
+import { Slot } from '@radix-ui/react-slot';
+import {
+  Controller,
+  FormProvider,
+  useFormContext,
+  useFormState,
+  type ControllerProps,
+  type FieldPath,
+  type FieldValues,
+} from 'react-hook-form';
+
+import { cn } from '@/shared/lib/utils';
+import { Label } from '@/shared/ui/label';
+
+const Form = FormProvider;
+
+type FormFieldContextValue<
+  TFieldValues extends FieldValues = FieldValues,
+  TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>,
+> = {
+  name: TName;
+};
+
+const FormFieldContext = React.createContext<FormFieldContextValue>(
+  {} as FormFieldContextValue,
+);
+
+const FormField = <
+  TFieldValues extends FieldValues = FieldValues,
+  TName extends FieldPath<TFieldValues> = FieldPath<TFieldValues>,
+>({
+  ...props
+}: ControllerProps<TFieldValues, TName>) => {
+  return (
+    <FormFieldContext.Provider value={{ name: props.name }}>
+      <Controller {...props} />
+    </FormFieldContext.Provider>
+  );
+};
+
+const useFormField = () => {
+  const fieldContext = React.useContext(FormFieldContext);
+  const itemContext = React.useContext(FormItemContext);
+  const { getFieldState } = useFormContext();
+  const formState = useFormState({ name: fieldContext.name });
+  const fieldState = getFieldState(fieldContext.name, formState);
+
+  if (!fieldContext) {
+    throw new Error('useFormField should be used within <FormField>');
+  }
+
+  const { id } = itemContext;
+
+  return {
+    id,
+    name: fieldContext.name,
+    formItemId: `${id}-form-item`,
+    formDescriptionId: `${id}-form-item-description`,
+    formMessageId: `${id}-form-item-message`,
+    ...fieldState,
+  };
+};
+
+type FormItemContextValue = {
+  id: string;
+};
+
+const FormItemContext = React.createContext<FormItemContextValue>(
+  {} as FormItemContextValue,
+);
+
+function FormItem({ className, ...props }: React.ComponentProps<'div'>) {
+  const id = React.useId();
+
+  return (
+    <FormItemContext.Provider value={{ id }}>
+      <div
+        data-slot="form-item"
+        className={cn('grid gap-2', className)}
+        {...props}
+      />
+    </FormItemContext.Provider>
+  );
+}
+
+function FormLabel({
+  className,
+  ...props
+}: React.ComponentProps<typeof LabelPrimitive.Root>) {
+  const { error, formItemId } = useFormField();
+
+  return (
+    <Label
+      data-slot="form-label"
+      data-error={!!error}
+      className={cn('data-[error=true]:text-destructive', className)}
+      htmlFor={formItemId}
+      {...props}
+    />
+  );
+}
+
+function FormControl({ ...props }: React.ComponentProps<typeof Slot>) {
+  const { error, formItemId, formDescriptionId, formMessageId } =
+    useFormField();
+
+  return (
+    <Slot
+      data-slot="form-control"
+      id={formItemId}
+      aria-describedby={
+        !error
+          ? `${formDescriptionId}`
+          : `${formDescriptionId} ${formMessageId}`
+      }
+      aria-invalid={!!error}
+      {...props}
+    />
+  );
+}
+
+function FormDescription({ className, ...props }: React.ComponentProps<'p'>) {
+  const { formDescriptionId } = useFormField();
+
+  return (
+    <p
+      data-slot="form-description"
+      id={formDescriptionId}
+      className={cn('text-muted-foreground text-sm', className)}
+      {...props}
+    />
+  );
+}
+
+function FormMessage({ className, ...props }: React.ComponentProps<'p'>) {
+  const { error, formMessageId } = useFormField();
+  const body = error ? String(error?.message ?? '') : props.children;
+
+  if (!body) {
+    return null;
+  }
+
+  return (
+    <p
+      data-slot="form-message"
+      id={formMessageId}
+      className={cn('text-destructive text-sm', className)}
+      {...props}
+    >
+      {body}
+    </p>
+  );
+}
+
+export {
+  useFormField,
+  Form,
+  FormItem,
+  FormLabel,
+  FormControl,
+  FormDescription,
+  FormMessage,
+  FormField,
+};

src/shared/ui/sonner.tsx

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+'use client';
+
+import {
+  CircleCheckIcon,
+  InfoIcon,
+  Loader2Icon,
+  OctagonXIcon,
+  TriangleAlertIcon,
+} from 'lucide-react';
+import { useTheme } from 'next-themes';
+import { Toaster as Sonner, type ToasterProps } from 'sonner';
+
+const Toaster = ({ ...props }: ToasterProps) => {
+  const { theme = 'system' } = useTheme();
+
+  return (
+    <Sonner
+      theme={theme as ToasterProps['theme']}
+      className="toaster group"
+      icons={{
+        success: <CircleCheckIcon className="size-4" />,
+        info: <InfoIcon className="size-4" />,
+        warning: <TriangleAlertIcon className="size-4" />,
+        error: <OctagonXIcon className="size-4" />,
+        loading: <Loader2Icon className="size-4 animate-spin" />,
+      }}
+      style={
+        {
+          '--normal-bg': 'var(--popover)',
+          '--normal-text': 'var(--popover-foreground)',
+          '--normal-border': 'var(--border)',
+          '--border-radius': 'var(--radius)',
+        } as React.CSSProperties
+      }
+      {...props}
+    />
+  );
+};
+
+export { Toaster };