* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
  }
  body {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #1f293d;
    height: 100vh;
  }
  .container {
    position: relative;
    width: 256px;
    height: 256px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .container span {
    position: absolute;
    left: 0;
    width: 20px;
    height: 5px;
    background: #2c4766;
    border-radius: 8px;
    transform-origin: 128px;
    transform: scale(2.2) rotate(calc(var(--i) * (360deg / 50)));
    animation: animate 3s linear infinite;
    animation-delay: calc(var(--i) * (3s / 50));
  }
  @keyframes animate {
    0% {
      background: #0ef;
    }
    25% {
      background: #2c4766;
    }
  }
  .login-box {
    position: absolute;
    width: 400px;
  }
  .login-box form {
    width: 100%;
    padding: 0 50px;
  }
  h1 {
    font-size: 2em;
    color: #0ef;
    text-align: center;
  }
  .input-box {
    position: relative;
    margin: 25px 0;
  }
  .input-box input {
    width: 100%;
    height: 50px;
    background: transparent;
    border: 2px solid #2c4766;
    outline: none;
    border-radius: 40px;
    font-size: 1em;
    color: #fff;
    padding: 0 20px;
    transition: 0.5s ease;
  }
  .input-box input:focus,
  .input-box input:focus {
    border-color: #0ef;
  }
  .input-box label {
    position: absolute;
    top: 50%;
    left: 20px;
    transform: translateY(-50%);
    font-size: 1em;
    pointer-events: none;
    transition: 0.5s ease;
    color: rgb(132, 187, 192);
  }
  .input-box input:focus ~ label,
  .input-box input:valid ~ label {
    top: 1px;
    font-size: 0.8em;
    background: #1f293d;
    padding: 0 6px;
    color: #0ef;
  }
  .btn {
    cursor: pointer;
    position: relative;
    display: inline-block;
    width: 100%;
    font-size: 1.5em;
    letter-spacing: 0.1em;
    color: #0ef;
    background: #1f293d;
    text-decoration: none;
    text-transform: uppercase;
    border: 2px solid #0ef;
    border-radius: 30px;
    padding: 5px 30px;
    z-index: 1;
    overflow: hidden;
    transition: color 1s, box-sahdow 1s;
    margin-bottom: 10px;
  }
  .btn:hover {
    transition-delay: 0s, 1s;
    color: white;
    box-shadow: 0 0 10px #0ef, 0 0 20px #0ef, 0 0 40px #0ef, 0 0 80px #0ef,
      0 0 160px #0ef;
  }
  .btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -50px;
    width: 0%;
    height: 100%;
    background: #0ef;
    transform: skewX(35deg);
    z-index: -1;
    transition: 1s;
  }
  .btn:hover::before {
    width: 100%;
  }
  
  form .link-text {
    margin: 15px;
    color: rgb(236, 240, 241);
    font-size: 0.85rem;
    text-align: center;
  }
  form .link-text a {
    text-decoration: none;
    color: rgb(120, 184, 215);
    font-weight: 700;
  }
  form .link-text a:hover {
    text-decoration: underline;
  }