@import url(https://fonts.googleapis.com/css?family=Roboto:400,300);
body {
  background: linear-gradient(135deg, #4D4E63, #333342);
  height: 100vh;
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
}

.login {
  width: 420px;
  background: #ffffff;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  overflow: hidden;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.login:before {
  content: "";
  position: absolute;
  background: transparent;
  bottom: 45px;
  right: 40px;
  width: 55px;
  height: 55px;
  z-index: 5;
  transition: all .6s ease-in-out, background 0s ease;
}
.login .form {
  display: block;
  position: relative;
}
.login .form h2 {
  background: #f5f5fa;
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin: 0 0 30px 0;
  padding: 40px;
  font-weight: 200;
  color: #9596A2;
  font-size: 19px;
}
.login .form .form-field {
  display: flex;
  align-items: center;
  height: 55px;
  margin: 0 40px 30px 40px;
  border-bottom: 1px solid #9596A2;
}
.login .form .form-field label {
  width: 10px;
  padding: 0 15px 0 0;
  color: #9596A2;
}
.login .form .form-field input {
  width: 100%;
  background: transparent;
  color: #9596A2;
  padding: 15px;
  border: 0;
  margin: 0;
}
.login .form .form-field input + svg {
  width: 35px;
  width: 35px;
  fill: none;
  stroke: #00FCD1;
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: -100;
  transition: all .3s ease-in-out;
}
.login .form .form-field input:valid + svg {
  stroke-dashoffset: 0;
}
.login .form .form-field input:focus {
  outline: none;
}
.login .form .form-field *::placeholder {
  color: #9596A2;
}
.login .form .button {
  width: 100%;
  position: relative;
  cursor: pointer;
  box-sizing: border-box;
  padding: 0 40px 45px 40px;
  margin: 0;
  border: 0;
  background: transparent;
  outline: none;
}
.login .form .button .arrow-wrapper {
  transition: all 0.45s ease-in-out;
  position: relative;
  margin: 0;
  width: 100%;
  height: 55px;
  right: 0;
  float: right;
  background: linear-gradient(90deg, #04DFBD, #00FCD1);
  box-shadow: 0 3px 20px rgba(0, 252, 209, 0.4);
  border-radius: 12px;
}
.login .form .button .arrow-wrapper .arrow {
  position: absolute;
  top: 50%;
  margin: auto;
  transition: all 0.45s ease-in-out;
  right: 35px;
  width: 15px;
  height: 2px;
  background: none;
  transform: translateY(-50%);
}
.login .form .button .arrow-wrapper .arrow:before {
  position: absolute;
  content: '';
  top: -4px;
  right: 0;
  width: 8px;
  height: 8px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
  transform: rotate(45deg);
}
.login .form .button .button-text {
  transition: all 0.45s ease-in-out;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 0;
  margin: 0;
  color: #fff;
  line-height: 55px;
  text-align: center;
  text-transform: uppercase;
}
.login .finished {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 7;
}
.login .finished svg {
  width: 100px;
  width: 100px;
  fill: none;
  stroke: #fff;
  stroke-width: 7;
  stroke-linecap: round;
  stroke-dasharray: 1000;
  stroke-dashoffset: -100;
  transition: all .3s ease-in-out .5s;
}
.login.loading .form .button .arrow-wrapper {
  width: 55px;
  animation: sk-rotateplane 1.2s infinite ease-in-out .5s;
}
.login.loading .form .button .arrow-wrapper .arrow {
  background: #fff;
  transform: translate(15px, 0);
  opacity: 0;
  transition: opacity 0.3s ease-in-out .5s;
}
.login.loading .form .button .button-text {
  color: #9596A2;
}
.login.active:before {
  bottom: 0;
  right: 0;
  background: linear-gradient(90deg, #04DFBD, #00FCD1);
  border-radius: 12px;
  height: 100%;
  width: 100%;
}
.login.active .form .button .arrow-wrapper {
  animation-iteration-count: 1;
}
.login.active .finished svg {
  stroke-dashoffset: 0;
}

@-webkit-keyframes sk-rotateplane {
  0% {
    transform: perspective(120px);
  }
  50% {
    transform: perspective(120px) rotateY(180deg);
  }
  100% {
    transform: perspective(120px) rotateY(180deg) rotateX(180deg);
  }
}