<!-- special thanks: https://www.freepik.es/ -->

<div class="overlay"></div>
	<div class="container">
		<div class="loginBox">
			<div class="userImage">
				<img src="http://bindy.es/Codepen-resources/img/catFace.png">
			</div>
			<form id="loginForm">
				<div class="input-wrapper">
					<label>Introduce tu email:</label>
					<input type="email" name="" placeholder="E-mail">
					<div class="error-email"><div class="email-msg"></div><div class="triangle"></div></div>
				</div>
				<div class="input-wrapper">
					<label>Introduce tu contraseña:</label>
					<input type="password" name="" placeholder="Password">
					<div class="error-pass"><div class="pass-msg"></div><div class="triangle"></div></div>
				</div>
				<input type="button" name="" value="LOGIN" onclick="validateForm()">
			</form>
		</div>
	</div>
	<div class="confirmation showOk">
		<img src="https://image.freepik.com/vector-gratis/lindo-personaje-de-gato_11823-526.jpg">
	</div>

body, html {
  height: 100%; 
  margin: 0; 
  font-family: "Arial"; 
  font-weight: lighter; 
  color: #626262;
  background-color: #66e8dc; 
}
.container {
  height: 100%; 
  display: flex; 
  align-items: center; 
  justify-content: center;
}
.loginBox {
  width: 330px; 
  background-color: white; 
  box-shadow: 0px 0px 43px -2px rgba(135,130,135,1); 
  border-radius: 8px; 
  padding: 15px;
}
.userImage {
  border-radius: 50%; 
  overflow: hidden; 
  width: 120px; 
  height: 120px; 
  margin: 10px auto 30px;
}
img {
  width: 100%;
}
.input-wrapper {
  position: relative;
}
.error-email, .error-pass {
  position: absolute; 
  top: 5px; 
  padding: 5px 10px; 
  right: 0; 
  color: white; 
  background-color: #66e8dc; 
  border-radius: 10px;
}
.triangle {
  width: 0; 
  height: 0; 
  border-left: 10px solid transparent; 
  border-right: 10px solid transparent; 
  border-top: 10px solid #66e8dc; 
  position: absolute; 
  right: 18px; 
  bottom: -8px;
}
input {
  display: block; 
  width: 300px; 
  padding: 15px 10px; 
  border-radius: 8px; 
  border: 1px solid #ececec; 
  margin: 10px 0;
}
input[type="button"] {
  width: 100%; 
  margin-top: 35px; 
  background-color: #32bfb2; 
  color: white; 
  font-weight: lighter;
}
.warning {
  border-color: red
}
.confirmation {
  width: 200px; 
  position: absolute; 
  top: 0; 
  border-radius: 50%; 
  overflow: hidden; 
  height: 200px; 
  left: 50%; 
  margin-left: -100px; 
  top: 50%; 
  margin-top: -100px;     					
  box-shadow: 10px 10px 10px; 
  z-index: 10
}
.overlay {
  background: rgba(14, 14, 14, 0.57); 
  height: 100%; 
  position: absolute; 
  top: 0; 
  left: 0; 
  right: 0; 
  z-index: 9;}
.showOk {
  animation: showOk 1s ease 1 normal; 
  width: 200px; 
  height: 200px;
}
@keyframes showOk {
  from {
    transform: scale(0);
    opacity: 0
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

$(function(){
  $(".error-pass, .error-email").hide();
  $(".overlay").hide();
  $(".confirmation").hide();
})

function checkEmail(email) {
  var emailReg = /^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/;
  return emailReg.test(email);
}

function validateForm() {
  var countErrors = 0;
  var emailInput = $("input[type=email]");
  var passInput = $("input[type=password]");
  
  if(!checkEmail($(emailInput).val())) {
    $(".error-email").fadeIn();
    $(".email-msg").html("Por favor, compruebe su email");
    $(emailInput).addClass("warning");
    countErrors++;
  } else {
    $(emailInput).removeClass("warning");
  }

  if(passInput.val().length < 5) {
    $(".error-pass").fadeIn();
    $(".pass-msg").html("La contraseña debe al menos 5 caracteres");
    $(passInput).addClass("warning");
    countErrors++;
  } else {
    $(passInput).removeClass("warning");
  }

  setTimeout(function showErrorMsg() {
    $(".error-email, .error-pass").fadeOut();
  }, 2000)

  if(countErrors === 0) {
    $(".overlay").show();
    $(".confirmation").show();
  }
}