diff --git a/dashboard_js/app/components/form.jsx b/dashboard_js/app/components/form.jsx
new file mode 100644
index 0000000..16ea419
--- /dev/null
+++ b/dashboard_js/app/components/form.jsx
@@ -0,0 +1,145 @@
+import React, { forwardRef, useContext, useId } from 'react'
+import { ExclamationCircleIcon } from '@heroicons/react/24/outline'
+import { omit } from 'ramda'
+import Loader from './loader'
+import clsx from 'clsx'
+
+const ControlContext = React.createContext({})
+
+function ControlProvider({ children, ...props }) {
+  return (
+    <ControlContext.Provider value={props}>{children}</ControlContext.Provider>
+  )
+}
+
+function useControl(props) {
+  const field = useContext(ControlContext)
+  return { ...field, ...props }
+}
+
+export const Control = forwardRef(function Control(
+  { as = 'div', children, ...props },
+  ref,
+) {
+  const id = useId()
+  const props_ = omit(['id'], props)
+
+  return (
+    <ControlProvider id={props?.id || id} {...props_}>
+      {React.createElement(as, { ref, ...props }, children)}
+    </ControlProvider>
+  )
+})
+
+export function Button({
+  children,
+  as = 'button',
+  className,
+  isLoading = false,
+  ...props
+}) {
+  if (isLoading) {
+    props['disabled'] = isLoading
+  }
+
+  return React.createElement(
+    as,
+    {
+      className: clsx(
+        'font-medium text-green-primary rounded-lg bg-green-secondary hover:bg-green-support',
+        'h-12 px-4 relative',
+        'disabled:bg-green-secondary/50 disabled:pointer-events-none',
+        'transition',
+        className,
+      ),
+      ...props,
+    },
+    <>
+      {isLoading && (
+        <div className="absolute inset-0 flex items-center justify-center bg-green-secondary rounded-xl">
+          <Loader className="w-5 text-white" />
+        </div>
+      )}
+
+      {children}
+    </>,
+  )
+}
+
+export function Label({ children, className, ...props }) {
+  const { id, htmlFor, className: _, ...field } = useControl(props)
+
+  return (
+    <label
+      className={clsx(
+        "black cursor-pointer aria-required:after:content-['*'] aria-required:after:ml-0.5 aria-required:after:text-red-500",
+        className,
+      )}
+      htmlFor={htmlFor ?? id}
+      {...field}
+    >
+      {children}
+    </label>
+  )
+}
+
+export const Input = forwardRef(function Input(
+  { as = 'input', size = 'base', className, children, ...props },
+  ref,
+) {
+  const { className: _, ...field } = useControl(props)
+  const sizes = { base: 'h-12' }
+
+  return React.createElement(
+    as,
+    {
+      className: clsx(
+        'bg-white outline-none px-4 rounded-lg transition',
+        'border border-green-light dark:border-gray-700 dark:bg-gray-800',
+        'focus:ring-1 focus:border-green-secondary focus:ring-green-secondary focus:placeholder:text-transparent',
+        // Tailwind's won't inherit focus behavior; you must define it explicitly for both modes.
+        'dark:focus:border-green-secondary',
+        'aria-[invalid=true]:border-red-400 aria-[invalid=true]:ring-red-400',
+        'dark:aria-[invalid=true]:border-red-500 dark:aria-[invalid=true]:ring-red-500',
+        'disabled:text-gray-400 disabled:border-gray-300 disabled:bg-gray-200',
+        'dark:disabled:text-gray-500 dark:disabled:bg-gray-700',
+        sizes?.[size],
+        className,
+      ),
+      ref,
+      ...field,
+    },
+    children,
+  )
+})
+
+export const Checkbox = forwardRef(function Checkbox(
+  { className, ...props },
+  ref,
+) {
+  const { className: _, ...field } = useControl(props)
+
+  return (
+    <input
+      type="checkbox"
+      className={clsx(
+        'text-green-secondary border border-gray-300',
+        'focus:ring-2 focus:border-green-secondary focus:ring-green-secondary focus:ring-offset-0  focus:ring-opacity-30',
+        'dark:border-gray-700 dark:bg-gray-800 focus:dark:border-security dark:checked:bg-green-secondary dark:checked:border-security dark:disabled:bg-gray-700',
+        'disabled:bg-gray-200 outline-none rounded transition',
+        className,
+      )}
+      ref={ref}
+      {...field}
+    />
+  )
+})
+
+export function Error({ children }) {
+  return (
+    <div className="text-sm text-red-500 flex items-start gap-0.5">
+      <ExclamationCircleIcon className="w-4 mt-[1.5px] flex-shrink-0" />
+      <div>{children}</div>
+    </div>
+  )
+}
diff --git a/dashboard_js/app/components/loader.jsx b/dashboard_js/app/components/loader.jsx
new file mode 100644
index 0000000..2942d94
--- /dev/null
+++ b/dashboard_js/app/components/loader.jsx
@@ -0,0 +1,27 @@
+import clsx from 'clsx'
+
+export default function Loader({ className, ...props }) {
+  return (
+    <svg
+      className={clsx('animate-spin', className)}
+      xmlns="http://www.w3.org/2000/svg"
+      fill="none"
+      viewBox="0 0 24 24"
+      {...props}
+    >
+      <circle
+        className="opacity-25"
+        cx="12"
+        cy="12"
+        r="10"
+        stroke="currentColor"
+        strokeWidth="4"
+      />
+      <path
+        className="opacity-50"
+        fill="currentColor"
+        d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+      />
+    </svg>
+  )
+}
diff --git a/dashboard_js/app/hooks/use-auth.tsx b/dashboard_js/app/hooks/use-auth.tsx
index dbe391a..ed40550 100644
--- a/dashboard_js/app/hooks/use-auth.tsx
+++ b/dashboard_js/app/hooks/use-auth.tsx
@@ -16,7 +16,7 @@ interface AuthContextType {
     username: string
     password: string
   }) => Promise<Auth.SignInOutput>
-  currentUser: () => Promise<Auth.FetchUserAttributesOutput | void>
+  signOut: () => Promise<void>
 }
 
 const AuthContext = createContext<AuthContextType | null>(null)
@@ -29,17 +29,6 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
   const [authUser, setAuthUser] =
     useState<Auth.FetchUserAttributesOutput | null>(null)
 
-  const currentUser = useCallback(async () => {
-    try {
-      const currentUser = await Auth.fetchUserAttributes()
-
-      setAuthUser(currentUser)
-      return currentUser
-    } catch {
-      setAuthUser(null)
-    }
-  }, [])
-
   const signIn = useCallback(
     async ({
       username,
@@ -65,16 +54,22 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
     [],
   )
 
-  const ctxValue = useMemo<AuthContextType>(
+  const signOut = useCallback(async (): Promise<void> => {
+    try {
+      return await Auth.signOut()
+    } catch {}
+  }, [])
+
+  const authContext = useMemo<AuthContextType>(
     () => ({
       authUser,
       signIn,
-      currentUser,
+      signOut,
     }),
-    [authUser, signIn, currentUser],
+    [authUser, signIn, signOut],
   )
 
   return (
-    <AuthContext.Provider value={ctxValue}>{children}</AuthContext.Provider>
+    <AuthContext.Provider value={authContext}>{children}</AuthContext.Provider>
   )
 }
diff --git a/dashboard_js/app/layouts/app.tsx b/dashboard_js/app/layouts/app.tsx
index 5ebd05e..cde43f3 100644
--- a/dashboard_js/app/layouts/app.tsx
+++ b/dashboard_js/app/layouts/app.tsx
@@ -1,20 +1,47 @@
-import { useNavigation } from 'react-router'
+import { useNavigation, redirect, useNavigate } from 'react-router'
+import { fetchAuthSession } from 'aws-amplify/auth'
 import { Link } from 'react-router'
 import { Outlet } from 'react-router'
+import { useAuth } from '~/hooks/use-auth'
+
+export async function clientLoader() {
+  const session = await fetchAuthSession()
+
+  if (!session?.tokens?.idToken) {
+    throw redirect('/auth')
+  }
+}
 
 export default function Layout() {
   const navigation = useNavigation()
+  const navigate = useNavigate()
+  const { signOut } = useAuth()
   const isNavigating = Boolean(navigation.location)
 
   return (
     <>
-      <ul>
-        <li>
-          <Link to="/orders">Pagamentos</Link>
-          <Link to="/users">Usuários</Link>
-          <Link to="/enrollments">Matrículas</Link>
-        </li>
-      </ul>
+      <nav>
+        <ul className="flex gap-1">
+          <li>
+            <Link to="/orders">Pagamentos</Link>
+          </li>
+          <li>
+            <Link to="/users">Usuários</Link>
+          </li>
+          <li>
+            <Link to="/enrollments">Matrículas</Link>
+          </li>
+        </ul>
+
+        <button
+          onClick={() => {
+            signOut()
+            navigate('/auth')
+          }}
+        >
+          Sair
+        </button>
+      </nav>
 
       {isNavigating ? <>Loading...</> : <Outlet />}
     </>
diff --git a/dashboard_js/app/layouts/auth.tsx b/dashboard_js/app/layouts/auth.tsx
index 337ed2f..ba91e1c 100644
--- a/dashboard_js/app/layouts/auth.tsx
+++ b/dashboard_js/app/layouts/auth.tsx
@@ -49,3 +49,17 @@ export default function Auth() {
     </>
   )
 }
+
+export function Card({ children }: { children: React.ReactNode }) {
+  return (
+    <Container>
+      <div className="space-y-2.5 xl:space-y-5  rounded-xl bg-yellow-50 dark:bg-gray-700/60 p-4 lg:p-8 drop-shadow-sm shadow-sm">
+        {children}
+      </div>
+    </Container>
+  )
+}
+
+export function Container({ children }: { children: React.ReactNode }) {
+  return <div className="w-full 2xl:w-[26rem]">{children}</div>
+}
diff --git a/dashboard_js/app/root.tsx b/dashboard_js/app/root.tsx
index cd894f2..b2b236b 100644
--- a/dashboard_js/app/root.tsx
+++ b/dashboard_js/app/root.tsx
@@ -10,6 +10,7 @@ import {
 import { QueryClient, QueryClientProvider } from '@tanstack/react-query'
 import { Amplify } from 'aws-amplify'
 import { AuthProvider } from '~/hooks/use-auth'
+import { Smallest as Logo } from '~/components/logo'
 import amplifyconfig from './amplifyconfiguration.json'
 
 Amplify.configure(amplifyconfig)
@@ -59,16 +60,7 @@ export default function App() {
 
 export function HydrateFallback() {
   return (
-    <div className="flex items-center justify-center min-h-screen bg-gray-100">
-      <div className="w-10 h-10 border-4 border-gray-300 border-t-4 border-t-blue-500 rounded-full animate-spin" />
-
-      <style>{`
-        @keyframes spin {
-          0% { transform: rotate(0deg); }
-          100% { transform: rotate(360deg); }
-        }
-      `}</style>
-    </div>
+    <Logo className="w-14 absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2" />
   )
 }
 
diff --git a/dashboard_js/app/routes/auth/signin/index.tsx b/dashboard_js/app/routes/auth/signin/index.tsx
index 73af6ef..d047f6e 100644
--- a/dashboard_js/app/routes/auth/signin/index.tsx
+++ b/dashboard_js/app/routes/auth/signin/index.tsx
@@ -1,8 +1,35 @@
+import { useForm } from 'react-hook-form'
+import { useAuth } from '~/hooks/use-auth'
+import { Card } from '~/layouts/auth'
+import { Control, Label, Input, Button } from '~/components/form'
+import { useNavigate } from 'react-router'
+
 export default function Signin() {
+  const navigate = useNavigate()
+  const { register, handleSubmit, formState } = useForm()
+  const { signIn } = useAuth()
+
+  const onSubmit = async (payload) => {
+    const { nextStep } = await signIn(payload)
+    return navigate('/')
+  }
+
   return (
-    <form>
-      Username
-      <input />
-    </form>
+    <Card>
+      <form onSubmit={handleSubmit(onSubmit)}>
+        <Control>
+          <Label>Email ou CPF</Label>
+          <Input {...register('username')} />
+        </Control>
+        <Control>
+          <Label>Senha</Label>
+          <Input type="password" {...register('password')} />
+        </Control>
+
+        <Button type="submit" isLoading={formState.isSubmitting}>
+          Entrar
+        </Button>
+      </form>
+    </Card>
   )
 }
diff --git a/dashboard_js/package-lock.json b/dashboard_js/package-lock.json
index 3914323..57836e2 100644
--- a/dashboard_js/package-lock.json
+++ b/dashboard_js/package-lock.json
@@ -6,15 +6,21 @@
     "": {
       "name": "dashboard_js",
       "dependencies": {
+        "@heroicons/react": "^2.2.0",
+        "@hookform/error-message": "^2.0.1",
+        "@hookform/resolvers": "^4.1.0",
         "@react-router/fs-routes": "^7.2.0",
         "@react-router/node": "^7.2.0",
         "@react-router/serve": "^7.2.0",
         "@tanstack/react-query": "^5.66.9",
         "aws-amplify": "^6.13.1",
         "axios": "^1.7.9",
+        "clsx": "^2.1.1",
         "isbot": "^5.1.17",
+        "ramda": "^0.30.1",
         "react": "^19.0.0",
         "react-dom": "^19.0.0",
+        "react-hook-form": "^7.54.2",
         "react-router": "^7.2.0"
       },
       "devDependencies": {
@@ -2450,6 +2456,38 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@heroicons/react": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@heroicons/react/-/react-2.2.0.tgz",
+      "integrity": "sha512-LMcepvRaS9LYHJGsF0zzmgKCUim/X3N/DQKc4jepAXJ7l8QxJ1PmxJzqplF2Z3FE4PqBAIGyJAQ/w4B5dsqbtQ==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": ">= 16 || ^19.0.0-rc"
+      }
+    },
+    "node_modules/@hookform/error-message": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/@hookform/error-message/-/error-message-2.0.1.tgz",
+      "integrity": "sha512-U410sAr92xgxT1idlu9WWOVjndxLdgPUHEB8Schr27C9eh7/xUnITWpCMF93s+lGiG++D4JnbSnrb5A21AdSNg==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": ">=16.8.0",
+        "react-dom": ">=16.8.0",
+        "react-hook-form": "^7.0.0"
+      }
+    },
+    "node_modules/@hookform/resolvers": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/@hookform/resolvers/-/resolvers-4.1.0.tgz",
+      "integrity": "sha512-fX/uHKb+OOCpACLc6enuTQsf0ZpRrKbeBBPETg5PCPLCIYV6osP2Bw6ezuclM61lH+wBF9eXcuC0+BFh9XOEnQ==",
+      "license": "MIT",
+      "dependencies": {
+        "caniuse-lite": "^1.0.30001698"
+      },
+      "peerDependencies": {
+        "react-hook-form": "^7.0.0"
+      }
+    },
     "node_modules/@isaacs/cliui": {
       "version": "8.0.2",
       "resolved": "https://registry.npmjs.org/@isaacs/cliui/-/cliui-8.0.2.tgz",
@@ -5209,7 +5247,6 @@
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.1.1.tgz",
       "integrity": "sha512-eYm0QWBtUrBWZWG0d386OGAw16Z995PiOVo2B7bjWSbHedGl5e0ZWaq65kOGgUSNesEIDkB9ISbTg/JK9dhCZA==",
-      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=6"
@@ -7649,6 +7686,16 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/ramda": {
+      "version": "0.30.1",
+      "resolved": "https://registry.npmjs.org/ramda/-/ramda-0.30.1.tgz",
+      "integrity": "sha512-tEF5I22zJnuclswcZMc8bDIrwRHRzf+NqVEmqg50ShAZMP7MWeR/RGDthfM/p+BlqvF2fXAzpn8i+SJcYD3alw==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/ramda"
+      }
+    },
     "node_modules/range-parser": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@@ -7736,6 +7783,22 @@
         "react": "^19.0.0"
       }
     },
+    "node_modules/react-hook-form": {
+      "version": "7.54.2",
+      "resolved": "https://registry.npmjs.org/react-hook-form/-/react-hook-form-7.54.2.tgz",
+      "integrity": "sha512-eHpAUgUjWbZocoQYUHposymRb4ZP6d0uwUnooL2uOybA9/3tPUvoAKqEWK1WaSiTxxOfTpffNZP7QwlnM3/gEg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=18.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/react-hook-form"
+      },
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17 || ^18 || ^19"
+      }
+    },
     "node_modules/react-hotkeys-hook": {
       "version": "4.6.1",
       "resolved": "https://registry.npmjs.org/react-hotkeys-hook/-/react-hotkeys-hook-4.6.1.tgz",
diff --git a/dashboard_js/package.json b/dashboard_js/package.json
index 3f9d2b2..ce5736a 100644
--- a/dashboard_js/package.json
+++ b/dashboard_js/package.json
@@ -9,15 +9,21 @@
     "typecheck": "react-router typegen && tsc"
   },
   "dependencies": {
+    "@heroicons/react": "^2.2.0",
+    "@hookform/error-message": "^2.0.1",
+    "@hookform/resolvers": "^4.1.0",
     "@react-router/fs-routes": "^7.2.0",
     "@react-router/node": "^7.2.0",
     "@react-router/serve": "^7.2.0",
     "@tanstack/react-query": "^5.66.9",
     "aws-amplify": "^6.13.1",
     "axios": "^1.7.9",
+    "clsx": "^2.1.1",
     "isbot": "^5.1.17",
+    "ramda": "^0.30.1",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
+    "react-hook-form": "^7.54.2",
     "react-router": "^7.2.0"
   },
   "devDependencies": {