# Sign In

> Email and password validated on submit.

A shadcn/ui block from the [@flx](https://ui.flexnative.com) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/flx/rhf-recipes-03).

- Page, with a live preview: https://shadcn.exchange/r/flx/rhf-recipes-03
- Screenshot: https://abzjhwgwpdpz7ua5.public.blob.vercel-storage.com/shots/flx/rhf-recipes-03-light-f13cb087bdf721fc.png
- Registry item: https://ui.flexnative.com/r/rhf-recipes-03.json
- Listed: 2026-10-13, source last changed 2026-10-13

## Install

```bash
npx shadcn@latest add https://ui.flexnative.com/r/rhf-recipes-03.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- npm packages: `@hookform/resolvers`, `lucide-react`, `react-hook-form`, `sonner`, `zod`
- Registry items: `card`, `field`, `input`, `button`

## Files

### `registry/forms/react-hook-form/recipes/rhf-recipes-03.tsx`

```tsx
'use client'

import { Controller, useForm } from 'react-hook-form'
import { zodResolver } from '@hookform/resolvers/zod'
import { LogIn } from 'lucide-react'
import { toast } from 'sonner'
import * as z from 'zod'

import { Button } from '@/components/ui/button'
import {
  Card,
  CardContent,
  CardDescription,
  CardHeader,
  CardTitle,
} from '@/components/ui/card'
import {
  Field,
  FieldError,
  FieldGroup,
  FieldLabel,
} from '@/components/ui/field'
import { Input } from '@/components/ui/input'

const formSchema = z.object({
  email: z.email('Enter a valid email.'),
  password: z.string().min(1, 'Enter your password.'),
})

type FormValues = z.infer<typeof formSchema>

export function RhfRecipes03() {
  const form = useForm<FormValues>({
    resolver: zodResolver(formSchema),
    defaultValues: { email: '', password: '' },
  })

  function onSubmit(data: FormValues) {
    toast.success('Welcome back', { description: data.email })
  }

  return (
    <Card className="w-full max-w-sm">
      <CardHeader>
        <CardTitle className="flex items-center gap-2">
          <LogIn className="text-muted-foreground size-4" />
          Sign in
        </CardTitle>
        <CardDescription>
          Use your email and password to continue.
        </CardDescription>
      </CardHeader>
      <CardContent>
        <form onSubmit={form.handleSubmit(onSubmit)}>
          <FieldGroup>
            <Controller
              control={form.control}
              name="email"
              render={({ field, fieldState }) => (
                <Field data-invalid={fieldState.invalid}>
                  <FieldLabel htmlFor="rhf-recipes-03-email">Email</FieldLabel>
                  <Input
                    {...field}
                    id="rhf-recipes-03-email"
                    type="email"
                    placeholder="ada@example.com"
                    aria-invalid={fieldState.invalid}
                  />
                  {fieldState.invalid && (
                    <FieldError errors={[fieldState.error]} />
                  )}
                </Field>
              )}
            />
            <Controller
              control={form.control}
              name="password"
              render={({ field, fieldState }) => (
                <Field data-invalid={fieldState.invalid}>
                  <FieldLabel htmlFor="rhf-recipes-03-password">
                    Password
                  </FieldLabel>
                  <Input
                    {...field}
                    id="rhf-recipes-03-password"
                    type="password"
                    placeholder="••••••••"
                    aria-invalid={fieldState.invalid}
                  />
                  {fieldState.invalid && (
                    <FieldError errors={[fieldState.error]} />
                  )}
                </Field>
              )}
            />
            <Button type="submit" size="sm">
              Sign in
            </Button>
          </FieldGroup>
        </form>
      </CardContent>
    </Card>
  )
}
```