From 205b018bb459d7979978376865dab4fe4d3aa50a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Francisco=20Ign=C3=A1cio=20Fontoura=20Solla?=
 <francisco.solla@gmail.com>
Date: Tue, 17 Feb 2026 00:04:22 -0300
Subject: [PATCH] Add petitions page with basic structure and shadcn components

---
 components.json                               |  23 ++
 .../(frontend)/abaixo-assinado/[id]/page.tsx  | 101 +++++++-
 src/app/(frontend)/styles.css                 | 121 +++++++++
 src/components/ui/field.tsx                   | 244 ++++++++++++++++++
 src/components/ui/label.tsx                   |  26 ++
 src/components/ui/separator.tsx               |  31 +++
 src/lib/utils.ts                              |   6 +
 7 files changed, 547 insertions(+), 5 deletions(-)
 create mode 100644 components.json
 create mode 100644 src/components/ui/field.tsx
 create mode 100644 src/components/ui/label.tsx
 create mode 100644 src/components/ui/separator.tsx
 create mode 100644 src/lib/utils.ts

diff --git a/components.json b/components.json
new file mode 100644
index 00000000..691e860a
--- /dev/null
+++ b/components.json
@@ -0,0 +1,23 @@
+{
+  "$schema": "https://ui.shadcn.com/schema.json",
+  "style": "new-york",
+  "rsc": true,
+  "tsx": true,
+  "tailwind": {
+    "config": "tailwind.config.ts",
+    "css": "src/app/(frontend)/styles.css",
+    "baseColor": "neutral",
+    "cssVariables": true,
+    "prefix": ""
+  },
+  "iconLibrary": "lucide",
+  "rtl": false,
+  "aliases": {
+    "components": "@/components",
+    "utils": "@/lib/utils",
+    "ui": "@/components/ui",
+    "lib": "@/lib",
+    "hooks": "@/hooks"
+  },
+  "registries": {}
+}
diff --git a/src/app/(frontend)/abaixo-assinado/[id]/page.tsx b/src/app/(frontend)/abaixo-assinado/[id]/page.tsx
index cf2ef2d5..7a051fd8 100644
--- a/src/app/(frontend)/abaixo-assinado/[id]/page.tsx
+++ b/src/app/(frontend)/abaixo-assinado/[id]/page.tsx
@@ -1,7 +1,11 @@
 import { getCachedDocumentById, getDocuments } from '@/utilities/documents'
 import { convertLexicalToHTML } from '@payloadcms/richtext-lexical/html'
 import { notFound } from 'next/navigation'
-import { headers as nextHeaders } from 'next/headers'
+import Link from 'next/link'
+import { FieldDescription, FieldLegend, FieldSet } from '@/components/ui/field'
+import z from 'zod'
+import { useForm } from 'react-hook-form'
+import { zodResolver } from '@hookform/resolvers/zod'
 
 export async function generateStaticParams() {
   const payload = await getDocuments('petition')
@@ -14,17 +18,104 @@ export async function generateStaticParams() {
 export default async function Page({ params }: { params: Promise<{ id: string }> }) {
   const petition = await getCachedDocumentById('petition', (await params).id)()
 
+  const methods = useForm<z.infer<typeof formSchema>>({
+    resolver: zodResolver(formSchema),
+    defaultValues: {
+      name: '',
+      email: '',
+      phone: '',
+      state: '',
+      city: '',
+      postalCode: '',
+      comment: '',
+    },
+  })
+
   if (!petition || !petition.enabled) {
     return notFound()
   }
 
+  const onSubmit = (data: z.infer<typeof formSchema>) => {
+    console.log(data)
+  }
+
   return (
-    <div>
-      <h1>{petition.title}</h1>
-      <h2>{petition.subtitle}</h2>
+    <main>
+      <section className="h-screen w-screen flex items-center justify-center">
+        <h1>{petition.title}</h1>
+        <h2>{petition.subtitle}</h2>
+        <Link href="#formulario">Assinar</Link>
+      </section>
       <article
         dangerouslySetInnerHTML={{ __html: convertLexicalToHTML({ data: petition.body }) }}
       />
-    </div>
+      <form id="formulario" onSubmit={methods.handleSubmit(onSubmit)}>
+        <FieldSet>
+          <FieldLegend>{petition.formTitle}</FieldLegend>
+          <FieldDescription>{petition.formDescription}</FieldDescription>
+        </FieldSet>
+      </form>
+    </main>
   )
 }
+
+const STATES = [
+  'AC',
+  'AL',
+  'AM',
+  'AP',
+  'BA',
+  'CE',
+  'DF',
+  'ES',
+  'GO',
+  'MA',
+  'MG',
+  'MS',
+  'MT',
+  'PA',
+  'PB',
+  'PE',
+  'PI',
+  'PR',
+  'RJ',
+  'RN',
+  'RO',
+  'RR',
+  'RS',
+  'SC',
+  'SE',
+  'SP',
+  'TO',
+]
+
+const formSchema = z.object({
+  name: z
+    .string()
+    .trim()
+    .min(2, 'Nome deve ter pelo menos 2 caracteres')
+    .max(120, 'Nome deve ter no máximo 100 caracteres')
+    .regex(
+      /^(?=.* )[\p{L}\p{M}]+(?:[- ][\p{L}\p{M}]+)*$/u,
+      'Informe nome e sobrenome. Use apenas letras, no máximo um espaço ou hífen entre termos, e sem espaço no início ou no fim.',
+    ),
+  email: z.email('Email inválido'),
+  phone: z
+    .string()
+    .trim()
+    .length(11, 'Telefone celular inválido')
+    .regex(/^\d{11}$/, 'Telefone celular inválido'),
+  state: z.literal(STATES, 'Estado inválido'),
+  city: z.string().trim().min(3, 'Cidade inválida').max(100, 'Cidade muito longa'),
+  postalCode: z
+    .string()
+    .trim()
+    .regex(/^(?:\d{8})?$/, 'CEP inválido')
+    .optional(),
+  comment: z
+    .string()
+    .trim()
+    .max(1000, 'Comentário muito longo')
+    .refine((v) => !/<\/?[a-z][\s\S]*>/i.test(v), 'O comentário não pode conter HTML')
+    .optional(),
+})
diff --git a/src/app/(frontend)/styles.css b/src/app/(frontend)/styles.css
index d31e080a..62453e5d 100644
--- a/src/app/(frontend)/styles.css
+++ b/src/app/(frontend)/styles.css
@@ -1,8 +1,45 @@
 @import 'tailwindcss';
+
+@plugin 'tailwindcss-animate';
+@import "tw-animate-css";
+
+@custom-variant dark (&:is(.dark *));
 @source "../../**/*.{js,ts,jsx,tsx,mdx}";
 
 :root {
   --font-mono: 'Roboto Mono', monospace;
+  --radius: 0.625rem;
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.145 0 0);
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.145 0 0);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.145 0 0);
+  --primary: oklch(0.205 0 0);
+  --primary-foreground: oklch(0.985 0 0);
+  --secondary: oklch(0.97 0 0);
+  --secondary-foreground: oklch(0.205 0 0);
+  --muted: oklch(0.97 0 0);
+  --muted-foreground: oklch(0.556 0 0);
+  --accent: oklch(0.97 0 0);
+  --accent-foreground: oklch(0.205 0 0);
+  --destructive: oklch(0.577 0.245 27.325);
+  --border: oklch(0.922 0 0);
+  --input: oklch(0.922 0 0);
+  --ring: oklch(0.708 0 0);
+  --chart-1: oklch(0.646 0.222 41.116);
+  --chart-2: oklch(0.6 0.118 184.704);
+  --chart-3: oklch(0.398 0.07 227.392);
+  --chart-4: oklch(0.828 0.189 84.429);
+  --chart-5: oklch(0.769 0.188 70.08);
+  --sidebar: oklch(0.985 0 0);
+  --sidebar-foreground: oklch(0.145 0 0);
+  --sidebar-primary: oklch(0.205 0 0);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.97 0 0);
+  --sidebar-accent-foreground: oklch(0.205 0 0);
+  --sidebar-border: oklch(0.922 0 0);
+  --sidebar-ring: oklch(0.708 0 0);
 }
 
 * {
@@ -95,3 +132,87 @@ svg {
 button {
   cursor: pointer;
 }
+
+@theme inline {
+  --radius-sm: calc(var(--radius) - 4px);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-lg: var(--radius);
+  --radius-xl: calc(var(--radius) + 4px);
+  --radius-2xl: calc(var(--radius) + 8px);
+  --radius-3xl: calc(var(--radius) + 12px);
+  --radius-4xl: calc(var(--radius) + 16px);
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --color-card: var(--card);
+  --color-card-foreground: var(--card-foreground);
+  --color-popover: var(--popover);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-primary: var(--primary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-secondary: var(--secondary);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-muted: var(--muted);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-accent: var(--accent);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-destructive: var(--destructive);
+  --color-border: var(--border);
+  --color-input: var(--input);
+  --color-ring: var(--ring);
+  --color-chart-1: var(--chart-1);
+  --color-chart-2: var(--chart-2);
+  --color-chart-3: var(--chart-3);
+  --color-chart-4: var(--chart-4);
+  --color-chart-5: var(--chart-5);
+  --color-sidebar: var(--sidebar);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-ring: var(--sidebar-ring);
+}
+
+.dark {
+  --background: oklch(0.145 0 0);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.205 0 0);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.205 0 0);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.922 0 0);
+  --primary-foreground: oklch(0.205 0 0);
+  --secondary: oklch(0.269 0 0);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.269 0 0);
+  --muted-foreground: oklch(0.708 0 0);
+  --accent: oklch(0.269 0 0);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.704 0.191 22.216);
+  --border: oklch(1 0 0 / 10%);
+  --input: oklch(1 0 0 / 15%);
+  --ring: oklch(0.556 0 0);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.205 0 0);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.488 0.243 264.376);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.269 0 0);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(1 0 0 / 10%);
+  --sidebar-ring: oklch(0.556 0 0);
+}
+
+@layer base {
+  * {
+    @apply border-border outline-ring/50;
+  }
+  body {
+    @apply bg-background text-foreground;
+  }
+}
diff --git a/src/components/ui/field.tsx b/src/components/ui/field.tsx
new file mode 100644
index 00000000..0a276fcb
--- /dev/null
+++ b/src/components/ui/field.tsx
@@ -0,0 +1,244 @@
+"use client"
+
+import { useMemo } from "react"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+import { Label } from "@/components/ui/label"
+import { Separator } from "@/components/ui/separator"
+
+function FieldSet({ className, ...props }: React.ComponentProps<"fieldset">) {
+  return (
+    <fieldset
+      data-slot="field-set"
+      className={cn(
+        "flex flex-col gap-6",
+        "has-[>[data-slot=checkbox-group]]:gap-3 has-[>[data-slot=radio-group]]:gap-3",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function FieldLegend({
+  className,
+  variant = "legend",
+  ...props
+}: React.ComponentProps<"legend"> & { variant?: "legend" | "label" }) {
+  return (
+    <legend
+      data-slot="field-legend"
+      data-variant={variant}
+      className={cn(
+        "mb-3 font-medium",
+        "data-[variant=legend]:text-base",
+        "data-[variant=label]:text-sm",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function FieldGroup({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="field-group"
+      className={cn(
+        "group/field-group @container/field-group flex w-full flex-col gap-7 data-[slot=checkbox-group]:gap-3 [&>[data-slot=field-group]]:gap-4",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+const fieldVariants = cva(
+  "group/field data-[invalid=true]:text-destructive flex w-full gap-3",
+  {
+    variants: {
+      orientation: {
+        vertical: ["flex-col [&>*]:w-full [&>.sr-only]:w-auto"],
+        horizontal: [
+          "flex-row items-center",
+          "[&>[data-slot=field-label]]:flex-auto",
+          "has-[>[data-slot=field-content]]:[&>[role=checkbox],[role=radio]]:mt-px has-[>[data-slot=field-content]]:items-start",
+        ],
+        responsive: [
+          "@md/field-group:flex-row @md/field-group:items-center @md/field-group:[&>*]:w-auto flex-col [&>*]:w-full [&>.sr-only]:w-auto",
+          "@md/field-group:[&>[data-slot=field-label]]:flex-auto",
+          "@md/field-group:has-[>[data-slot=field-content]]:items-start @md/field-group:has-[>[data-slot=field-content]]:[&>[role=checkbox],[role=radio]]:mt-px",
+        ],
+      },
+    },
+    defaultVariants: {
+      orientation: "vertical",
+    },
+  }
+)
+
+function Field({
+  className,
+  orientation = "vertical",
+  ...props
+}: React.ComponentProps<"div"> & VariantProps<typeof fieldVariants>) {
+  return (
+    <div
+      role="group"
+      data-slot="field"
+      data-orientation={orientation}
+      className={cn(fieldVariants({ orientation }), className)}
+      {...props}
+    />
+  )
+}
+
+function FieldContent({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="field-content"
+      className={cn(
+        "group/field-content flex flex-1 flex-col gap-1.5 leading-snug",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function FieldLabel({
+  className,
+  ...props
+}: React.ComponentProps<typeof Label>) {
+  return (
+    <Label
+      data-slot="field-label"
+      className={cn(
+        "group/field-label peer/field-label flex w-fit gap-2 leading-snug group-data-[disabled=true]/field:opacity-50",
+        "has-[>[data-slot=field]]:w-full has-[>[data-slot=field]]:flex-col has-[>[data-slot=field]]:rounded-md has-[>[data-slot=field]]:border [&>[data-slot=field]]:p-4",
+        "has-data-[state=checked]:bg-primary/5 has-data-[state=checked]:border-primary dark:has-data-[state=checked]:bg-primary/10",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function FieldTitle({ className, ...props }: React.ComponentProps<"div">) {
+  return (
+    <div
+      data-slot="field-label"
+      className={cn(
+        "flex w-fit items-center gap-2 text-sm font-medium leading-snug group-data-[disabled=true]/field:opacity-50",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function FieldDescription({ className, ...props }: React.ComponentProps<"p">) {
+  return (
+    <p
+      data-slot="field-description"
+      className={cn(
+        "text-muted-foreground text-sm font-normal leading-normal group-has-[[data-orientation=horizontal]]/field:text-balance",
+        "nth-last-2:-mt-1 last:mt-0 [[data-variant=legend]+&]:-mt-1.5",
+        "[&>a:hover]:text-primary [&>a]:underline [&>a]:underline-offset-4",
+        className
+      )}
+      {...props}
+    />
+  )
+}
+
+function FieldSeparator({
+  children,
+  className,
+  ...props
+}: React.ComponentProps<"div"> & {
+  children?: React.ReactNode
+}) {
+  return (
+    <div
+      data-slot="field-separator"
+      data-content={!!children}
+      className={cn(
+        "relative -my-2 h-5 text-sm group-data-[variant=outline]/field-group:-mb-2",
+        className
+      )}
+      {...props}
+    >
+      <Separator className="absolute inset-0 top-1/2" />
+      {children && (
+        <span
+          className="bg-background text-muted-foreground relative mx-auto block w-fit px-2"
+          data-slot="field-separator-content"
+        >
+          {children}
+        </span>
+      )}
+    </div>
+  )
+}
+
+function FieldError({
+  className,
+  children,
+  errors,
+  ...props
+}: React.ComponentProps<"div"> & {
+  errors?: Array<{ message?: string } | undefined>
+}) {
+  const content = useMemo(() => {
+    if (children) {
+      return children
+    }
+
+    if (!errors) {
+      return null
+    }
+
+    if (errors?.length === 1 && errors[0]?.message) {
+      return errors[0].message
+    }
+
+    return (
+      <ul className="ml-4 flex list-disc flex-col gap-1">
+        {errors.map(
+          (error, index) =>
+            error?.message && <li key={index}>{error.message}</li>
+        )}
+      </ul>
+    )
+  }, [children, errors])
+
+  if (!content) {
+    return null
+  }
+
+  return (
+    <div
+      role="alert"
+      data-slot="field-error"
+      className={cn("text-destructive text-sm font-normal", className)}
+      {...props}
+    >
+      {content}
+    </div>
+  )
+}
+
+export {
+  Field,
+  FieldLabel,
+  FieldDescription,
+  FieldError,
+  FieldGroup,
+  FieldLegend,
+  FieldSeparator,
+  FieldSet,
+  FieldContent,
+  FieldTitle,
+}
diff --git a/src/components/ui/label.tsx b/src/components/ui/label.tsx
new file mode 100644
index 00000000..53418217
--- /dev/null
+++ b/src/components/ui/label.tsx
@@ -0,0 +1,26 @@
+"use client"
+
+import * as React from "react"
+import * as LabelPrimitive from "@radix-ui/react-label"
+import { cva, type VariantProps } from "class-variance-authority"
+
+import { cn } from "@/lib/utils"
+
+const labelVariants = cva(
+  "text-sm font-medium leading-none peer-disabled:cursor-not-allowed peer-disabled:opacity-70"
+)
+
+const Label = React.forwardRef<
+  React.ElementRef<typeof LabelPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof LabelPrimitive.Root> &
+    VariantProps<typeof labelVariants>
+>(({ className, ...props }, ref) => (
+  <LabelPrimitive.Root
+    ref={ref}
+    className={cn(labelVariants(), className)}
+    {...props}
+  />
+))
+Label.displayName = LabelPrimitive.Root.displayName
+
+export { Label }
diff --git a/src/components/ui/separator.tsx b/src/components/ui/separator.tsx
new file mode 100644
index 00000000..12d81c4a
--- /dev/null
+++ b/src/components/ui/separator.tsx
@@ -0,0 +1,31 @@
+"use client"
+
+import * as React from "react"
+import * as SeparatorPrimitive from "@radix-ui/react-separator"
+
+import { cn } from "@/lib/utils"
+
+const Separator = React.forwardRef<
+  React.ElementRef<typeof SeparatorPrimitive.Root>,
+  React.ComponentPropsWithoutRef<typeof SeparatorPrimitive.Root>
+>(
+  (
+    { className, orientation = "horizontal", decorative = true, ...props },
+    ref
+  ) => (
+    <SeparatorPrimitive.Root
+      ref={ref}
+      decorative={decorative}
+      orientation={orientation}
+      className={cn(
+        "shrink-0 bg-border",
+        orientation === "horizontal" ? "h-[1px] w-full" : "h-full w-[1px]",
+        className
+      )}
+      {...props}
+    />
+  )
+)
+Separator.displayName = SeparatorPrimitive.Root.displayName
+
+export { Separator }
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
new file mode 100644
index 00000000..bd0c391d
--- /dev/null
+++ b/src/lib/utils.ts
@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}