talilotarlison/index.html

## index.html
<head>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
</head>

<body>

<div class='container'>
  <div class='card'>
    <h1> Entrar </h1>

    <div id='msgError'></div>

    <div class='label-float'>
      <input type='text' id='usuario' paceholder='' required>
      <label id='userLabel' for='usuario'>Usuario</label>
    </div>

    <div class='label-float'>
      <input type='password' id='senha' paceholder='' required>
      <label id='senhaLabel' for='senha'>Senha</label>
      <i class="fa fa-eye" aria-hidden="true"></i>
    </div>

    <div class='justify-center'>
      <button onclick='entrar()'>Entrar</button>
    </div>

    <div class='justify-center'>
      <hr>
    </div>

    <p> Não tem uma conta?
      <a href='https://cdpn.io/thicode/debug/NWdGRgK/bZrQWKdyRyQk'> Cadastre-se </a>
    </p>

  </div>
  </div>
</body>

## script.js
let btn = document.querySelector('.fa-eye')

btn.addEventListener('click', ()=>{
  let inputSenha = document.querySelector('#senha')

  if(inputSenha.getAttribute('type') == 'password'){
    inputSenha.setAttribute('type', 'text')
  } else {
    inputSenha.setAttribute('type', 'password')
  }
})

function entrar(){
  let usuario = document.querySelector('#usuario')
  let userLabel = document.querySelector('#userLabel')

  let senha = document.querySelector('#senha')
  let senhaLabel = document.querySelector('#senhaLabel')

  let msgError = document.querySelector('#msgError')
  let listaUser = []

  let userValid = {
    nome: '',
    user: '',
    senha: ''
  }

  listaUser = JSON.parse(localStorage.getItem('listaUser'))

  listaUser.forEach((item) => {
    if(usuario.value == item.userCad && senha.value == item.senhaCad){

      userValid = {
         nome: item.nomeCad,
         user: item.userCad,
         senha: item.senhaCad
       }

    }
  })

  if(usuario.value == userValid.user && senha.value == userValid.senha){
    window.location.href = 'https://cdpn.io/thicode/debug/abpVEeB/jVMpoEDNzPxk'

    let mathRandom = Math.random().toString(16).substr(2)
    let token = mathRandom + mathRandom

    localStorage.setItem('token', token)
    localStorage.setItem('userLogado', JSON.stringify(userValid))
  } else {
    userLabel.setAttribute('style', 'color: red')
    usuario.setAttribute('style', 'border-color: red')
    senhaLabel.setAttribute('style', 'color: red')
    senha.setAttribute('style', 'border-color: red')
    msgError.setAttribute('style', 'display: block')
    msgError.innerHTML = 'Usuário ou senha incorretos'
    usuario.focus()
  }

}


## style.css
@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

* {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
}

body {
  background-image: url(https://i.imgur.com/K8lDBYU.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed

}

.container {
  display: flex;
  justify-content: center;
  width: 100%;
  margin-top: 100px;
}

.card {
  background-color: #ffffff80;
  padding: 30px;
  border-radius: 4%;
  box-shadow: 3px 3px 1px 0px #00000060
}

h1{
  text-align: center;
  margin-bottom: 20px;
  color: #272262
}

.label-float input{
  width: 100%;
  padding: 5px 5px;
  display: inline-block;
  border: 0;
  border-bottom: 2px solid #272262;
  background-color: transparent;
  outline: none;
  min-width: 180px;
  font-size: 16px;
  transition: all .3s ease-out;
  border-radius: 0;

}

.label-float{
  position: relative;
  padding-top: 13px;
  margin-top: 5%;
  margin-bottom: 5%;
}

.label-float input:focus{
  border-bottom: 2px solid #4038a0;
}

.label-float label{
  color: #272262;
  pointer-event: none;
  position: absolute;
  top: 0;
  left: 0;
  margin-top: 13px;
  transition: all .3s ease-out;
}

.label-float input:focus + label,
.label-float input:valid + label{
  font-size: 13px;
  margin-top: 0;
  color: #4038a0
}

button{
  background-color: transparent;
  border-color: #272262;
  color: #272262;
  padding: 7px;
  font-weight: bold;
  font-size: 12pt;
  margin-top: 20px;
  border-radius: 4px;
  cursor: pointer;
  outline: none;
  transition: all .4s ease-out;
}

button:hover{
  background-color: #272262;
  color: #fff;
}

.justify-center{
  display: flex;
  justify-content: center;
}

hr{
  margin-top: 10%;
  margin-bottom: 10%;
  width: 60%;
}

p{
  color: #272262;
  font-size: 14pt;
  text-align: center;
}

a{
  color: #7a3077;
  font-weight: bold;
  text-decoration: none;
  transition: all .3s ease-out;
}

a:hover{
  color: #272262;
}

.fa-eye{
  position: absolute;
  top: 15px;
  right: 10px;
  cursor: pointer;
  color: #272262;
}

 #msgError{
  text-align: center;
  color: #ff0000;
  background-color: #ffbbbb;
  padding: 10px;
  border-radius: 4px;
  display: none;
}

## tela-de-login.markdown

      
    Raw
  

              tela-de-login.markdown
            
          
    Tela de Login

A Pen by Talilo Tarlison on CodePen.
License.
	<head>
	<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
	</head>

	<body>

	<div class='container'>
	<div class='card'>
	<h1> Entrar </h1>

	<div id='msgError'></div>

	<div class='label-float'>
	<input type='text' id='usuario' paceholder='' required>
	<label id='userLabel' for='usuario'>Usuario</label>
	</div>

	<div class='label-float'>
	<input type='password' id='senha' paceholder='' required>
	<label id='senhaLabel' for='senha'>Senha</label>
	<i class="fa fa-eye" aria-hidden="true"></i>
	</div>

	<div class='justify-center'>
	<button onclick='entrar()'>Entrar</button>
	</div>

	<div class='justify-center'>
	<hr>
	</div>

	<p> Não tem uma conta?
	<a href='https://cdpn.io/thicode/debug/NWdGRgK/bZrQWKdyRyQk'> Cadastre-se </a>
	</p>

	</div>
	</div>
	</body>
	let btn = document.querySelector('.fa-eye')

	btn.addEventListener('click', ()=>{
	let inputSenha = document.querySelector('#senha')

	if(inputSenha.getAttribute('type') == 'password'){
	inputSenha.setAttribute('type', 'text')
	} else {
	inputSenha.setAttribute('type', 'password')
	}
	})

	function entrar(){
	let usuario = document.querySelector('#usuario')
	let userLabel = document.querySelector('#userLabel')

	let senha = document.querySelector('#senha')
	let senhaLabel = document.querySelector('#senhaLabel')

	let msgError = document.querySelector('#msgError')
	let listaUser = []

	let userValid = {
	nome: '',
	user: '',
	senha: ''
	}

	listaUser = JSON.parse(localStorage.getItem('listaUser'))

	listaUser.forEach((item) => {
	if(usuario.value == item.userCad && senha.value == item.senhaCad){

	userValid = {
	nome: item.nomeCad,
	user: item.userCad,
	senha: item.senhaCad
	}

	}
	})

	if(usuario.value == userValid.user && senha.value == userValid.senha){
	window.location.href = 'https://cdpn.io/thicode/debug/abpVEeB/jVMpoEDNzPxk'

	let mathRandom = Math.random().toString(16).substr(2)
	let token = mathRandom + mathRandom

	localStorage.setItem('token', token)
	localStorage.setItem('userLogado', JSON.stringify(userValid))
	} else {
	userLabel.setAttribute('style', 'color: red')
	usuario.setAttribute('style', 'border-color: red')
	senhaLabel.setAttribute('style', 'color: red')
	senha.setAttribute('style', 'border-color: red')
	msgError.setAttribute('style', 'display: block')
	msgError.innerHTML = 'Usuário ou senha incorretos'
	usuario.focus()
	}

	}
	@import url('https://fonts.googleapis.com/css2?family=Roboto:ital,wght@0,100;0,300;0,400;0,500;0,700;0,900;1,100;1,300;1,400;1,500;1,700;1,900&display=swap');

	* {
	margin: 0;
	padding: 0;
	font-family: 'Roboto', sans-serif;
	}

	body {
	background-image: url(https://i.imgur.com/K8lDBYU.jpg);
	background-repeat: no-repeat;
	background-size: cover;
	background-attachment: fixed

	}

	.container {
	display: flex;
	justify-content: center;
	width: 100%;
	margin-top: 100px;
	}

	.card {
	background-color: #ffffff80;
	padding: 30px;
	border-radius: 4%;
	box-shadow: 3px 3px 1px 0px #00000060
	}

	h1{
	text-align: center;
	margin-bottom: 20px;
	color: #272262
	}

	.label-float input{
	width: 100%;
	padding: 5px 5px;
	display: inline-block;
	border: 0;
	border-bottom: 2px solid #272262;
	background-color: transparent;
	outline: none;
	min-width: 180px;
	font-size: 16px;
	transition: all .3s ease-out;
	border-radius: 0;

	}

	.label-float{
	position: relative;
	padding-top: 13px;
	margin-top: 5%;
	margin-bottom: 5%;
	}

	.label-float input:focus{
	border-bottom: 2px solid #4038a0;
	}

	.label-float label{
	color: #272262;
	pointer-event: none;
	position: absolute;
	top: 0;
	left: 0;
	margin-top: 13px;
	transition: all .3s ease-out;
	}

	.label-float input:focus + label,
	.label-float input:valid + label{
	font-size: 13px;
	margin-top: 0;
	color: #4038a0
	}

	button{
	background-color: transparent;
	border-color: #272262;
	color: #272262;
	padding: 7px;
	font-weight: bold;
	font-size: 12pt;
	margin-top: 20px;
	border-radius: 4px;
	cursor: pointer;
	outline: none;
	transition: all .4s ease-out;
	}

	button:hover{
	background-color: #272262;
	color: #fff;
	}

	.justify-center{
	display: flex;
	justify-content: center;
	}

	hr{
	margin-top: 10%;
	margin-bottom: 10%;
	width: 60%;
	}

	p{
	color: #272262;
	font-size: 14pt;
	text-align: center;
	}

	a{
	color: #7a3077;
	font-weight: bold;
	text-decoration: none;
	transition: all .3s ease-out;
	}

	a:hover{
	color: #272262;
	}

	.fa-eye{
	position: absolute;
	top: 15px;
	right: 10px;
	cursor: pointer;
	color: #272262;
	}

	#msgError{
	text-align: center;
	color: #ff0000;
	background-color: #ffbbbb;
	padding: 10px;
	border-radius: 4px;
	display: none;
	}