*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Georgia, 'Times New Roman', Times, serif;
}

body{
    display: grid;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: url('Back1.png');
    background-size: cover;
    background-position: center;
}

header{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 99;
    background-color: transparent;
}

.logo{
    font-size: 20px;
    user-select: none;
    color: orange;
}

.navigation a{
    position: relative;
    font-weight: 500;
    color: black;
    margin-left: 20px;
    text-decoration: none;
    font-size: 1rem;
}

.navigation .loginbtn{
    width: 130px;
    height: 50px;
    text-decoration: none;
    border: 2px solid black;
    border-radius: 20px;
    background: none;
    font-size: 1rem;
    outline: none;
    margin-left: 20px;
    cursor: pointer;
}

.navigation .loginbtn:hover{
    color: white;
    background-color: black;
}

.container{
    position: relative;
    width: 50vh;
    height: 450px;
    background: transparent;
    border: 2px solid transparent;
    border-radius: 20px;
    backdrop-filter: blur(20px);
    box-shadow: 0 0 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    transform: scale(1);
    overflow: hidden;
    transition: transform .5s ease, height .2s ease;
}

.container.active{
    height: 520px;
}

.container .form.login{
    transition: .18s ease;
    transform: translateX(0);
}

.container.active .form.login{
    transition: none;
    transform: translateX(-400px);
}

.container .form.register {
    position: absolute;
    transition: .18s ease;
    transform: translateX(400px); /* Change from -400px to 400px */
}

.container.active .form.register {
    transition: none;
    transform: translateX(0);
}

.container.active-popup{
    transform: scale(0);
}

/*.container .login{
    display: none;
}*/

.container .closeIcon{
    position: absolute;
    top: 0;
    right: 0;
    width: 45px;
    height: 45px;
    background-color: rgb(4, 4, 22);
    font-size: 2em;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom-left-radius: 20px;
    cursor: pointer;
    z-index: 1;
}

.container .form{
    width: 100%;
    padding: 40px;
}

.form h2{
    font-size: 2rem;
    text-align: center;
    color: black;
}

.input{
    position: relative;
    width: 100%;
    height: 50px;
    border-bottom: 2px solid black;
    margin: 30px 0;
}

.input label{
    position: absolute;
    top: 50%;
    left: 5px;
    transform: translateY(-50%);
    font-size: 1em;
    color: black;
    font-weight: 500;
    pointer-events: none;
    transition: .5s;
}

.input input:focus~label,
.input input:valid~label{
    top: -5px;
}

.input input{
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    outline: none;
    font-weight: 600;
    color: black;
    font-size: 1rem;
    padding: 0 35px 0 5px;
}

.input ion-icon{
    position: absolute;
    right: 8px;
    font-size: 1.2em;
    color: black;
    line-height: 57px;
}

.remember{
    font-size: 1em;
    color: black;
    font-weight: 500;
    margin: -15px 0 15px;
    display: flex;
    justify-content: space-between;
}

.remember label input{
    accent-color: black;
    margin-right: 3px;
}

.remember a{
    color: blue;
    text-decoration: none;
}

.remember a:hover{
    text-decoration: underline;
}

.submitbtn{
    width: 100%;
    height: 45px;
    background: rgb(2, 2, 22);
    color: white;
    border: none;
    border-radius: 10px;
    outline: none;
    cursor: pointer;
    font-size: 1em;
    font-weight: 500;
}

.register p{
    font-size: 1em;
    color: black;
    font-weight: 500;
    text-align: center;
    margin: 25px 0 10px;
}

.register a{
    color: blue;
    text-decoration: none;
    font-weight: 600
}

.register a:hover{
    text-decoration: underline;
}

@media (max-width: 650px) {
    body {
    font-size: 10px;
    padding: 20px;
  }
  
  header {
    padding: 20px 20px;
    max-height: 30px;
    font-size: 3px;
    max-width: 650px;
  }

  .logo,
  .navigation a,
  .navigation .loginbtn{
    font-size: 10px;    
  }
  
  .navigation .loginbtn {
      width: 90px;
      height: 20px;
      border: 0.5px solid black;
  }

  .navigation a {
    font-size: 0.8rem;
    margin-left: 10px;
  }

  .container {
    max-width: 650px;
    height: 400px;
    border-radius: 10px;
    box-shadow: 0 0 10px;
  }

  .container .form {
    padding: 20px;
  }

  .input {
    margin: 20px 0;
  }

  .input label {
    font-size: 1rem;
  }

  .input input {
    padding: 0 10px;
  }

  .remember {
    font-size: 0.8rem;
  }

  .submitbtn {
    height: 40px;
    font-size: 1rem;
  }

  .register p {
    font-size: 0.8rem;
  }

  .register a {
    font-size: 0.8rem;
  }
}