@import url("https://fonts.googleapis.com/css2?family=Muli&display=swap");
:root {
  --blue: #09acfe;
  --red: #cd086f;
  --white: #e0e0e0;
  --yellow: #ffd257;
  --background-1: #121212;
  --background-2: #000000;
}
html {
  font-size: 10px;
  color: var(--white);
  font-family: "Montserrat", sans-serif;
}
* {
  box-sizing: border-box;
}
body {
  background: var(--background-2);
  font-family: "Muli  ", sans-serif;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}
.container {
  background-color: var(--background-1);
  padding: 2rem 4rem;
  border-radius: 0.5rem;
}
.btn {
  cursor: pointer;
  display: inline-block;
  width: 100%;
  background: var(--blue);
  padding: 1.5rem;
  font-family: inherit;
  font-size: 1.6rem;
  border: 0;
  border-radius: 0.5rem;
}
.btn:focus {
  outline: 0;
}
.btn:active {
  transform: scale(0.98);
}
.text {
  margin-top: 3rem;
}
.container h1 {
  font-size: 3rem;
  text-align: center;
}
.container a {
  text-decoration: none;
  color: aqua;
}
.form-control {
  position: relative;
  margin: 2rem 0 4rem;
  width: 30rem;
}
.form-control input {
  background-color: transparent;
  border: 2px solid gray;
  border-radius: 5px;
  display: block;
  width: 100%;
  padding: 1.5rem 0;
  font-size: 1.8rem;
  color: #fff;
  padding-left: 10px;
}
.form-control input:focus,
.form-control input:valid {
  outline: 0;
  border-color: var(--blue);
}

.form-control label {
  position: absolute;
  top: 15px;
  left: 20px;
  font-size: 20px;
  color: gray;
  transition: all 0.5s;
  letter-spacing: 0.1rem;
}
.form-control input:focus ~ .email,
.form-control input:valid ~ .email {
  background: var(--background-1);
  padding: 0 10px;
  color: var(--blue);
  font-size: 15px;
  letter-spacing: 0.2rem;
  border-left: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
  transform: translateY(-25px);
}
.form-control input:focus ~ .password,
.form-control input:valid ~ .password {
  background: var(--blue);
  padding: 0 10px;
  color: var(--background-2);
  font-size: 15px;
  letter-spacing: 0.2rem;
  border-radius: 2px;
  transform: translateY(-25px);
}