@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Poppins', sans-serif;
    }
    
    body {
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      background: #0a0e27;
      overflow: hidden;
    }
    
    section {
      position: absolute;
      width: 100vw;
      height: 100vh;
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 2px;
      flex-wrap: wrap;
      overflow: hidden;
    }
    
    section::before {
      content: '';
      position: absolute;
      width: 100%;
      height: 100%;
      background: linear-gradient(#0a0e27, #00d4ff, #0099ff, #0a0e27);
      animation: animate 6s linear infinite;
    }
    
    @keyframes animate {
      0% {
        transform: translateY(-100%);
      }
      100% {
        transform: translateY(100%);
      }
    }
    
    section span {
      position: relative;
      display: block;
      width: calc(6.25vw - 2px);
      height: calc(6.25vw - 2px);
      background: #0f1535;
      z-index: 2;
      transition: 1.5s;
    }
    
    section span:hover {
      background: linear-gradient(135deg, #00d4ff, #0099ff);
      transition: 0s;
    }
    
    section .signin {
      position: absolute;
      width: 400px;
      height: 450px;
      background: rgba(15, 21, 53, 0.95);
      backdrop-filter: blur(10px);
      z-index: 1000;
      display: flex;
      justify-content: center;
      align-items: center;
      padding: 35px 35px;
      border-radius: 10px;
      box-shadow: 0 25px 45px rgba(0, 0, 0, 0.5),
                  0 0 50px rgba(0, 212, 255, 0.2);
      border: 1px solid rgba(0, 212, 255, 0.3);
    }
    
    section .signin .content {
      position: relative;
      width: 100%;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      gap: 20px;
    }
    
    section .signin .content h2 {
      font-size: 1.8em;
      background: linear-gradient(135deg, #00d4ff, #0099ff);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-transform: uppercase;
      font-weight: 700;
      letter-spacing: 1px;
    }
    
    section .signin .content .form {
      width: 100%;
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    
    section .signin .content .form .inputBox {
      position: relative;
      width: 100%;
    }
    
    section .signin .content .form .inputBox input {
      position: relative;
      width: 100%;
      background: #1a2346;
      border: 2px solid transparent;
      outline: none;
      padding: 20px 15px 8px;
      border-radius: 12px;
      color: #fff;
      font-weight: 500;
      font-size: 0.95em;
      transition: 0.3s;
    }
    
    section .signin .content .form .inputBox input:focus {
      border: 2px solid #00d4ff;
      background: #1f2952;
    }
    
    section .signin .content .form .inputBox i {
      position: absolute;
      left: 15px;
      top: 50%;
      transform: translateY(-50%);
      font-style: normal;
      color: #7a8ab8;
      transition: 0.3s;
      pointer-events: none;
      font-size: 0.95em;
    }
    
    .signin .content .form .inputBox input:focus ~ i,
    .signin .content .form .inputBox input:valid ~ i {
      top: 12px;
      transform: translateY(0);
      font-size: 0.75em;
      color: #00d4ff;
      font-weight: 600;
    }
    
    .signin .content .form .links {
      position: relative;
      width: 100%;
      display: flex;
      justify-content: space-between;
      margin-top: -5px;
    }
    
    .signin .content .form .links a {
      color: #8fa4d4;
      text-decoration: none;
      font-size: 0.9em;
      transition: 0.3s;
    }
    
    .signin .content .form .links a:hover {
      color: #00d4ff;
    }
    
    .signin .content .form .links a:nth-child(2) {
      color: #00d4ff;
      font-weight: 600;
    }
    
    .signin .content .form .links a:nth-child(2):hover {
      color: #00b8e6;
    }
    
    .signin .content .form .inputBox input[type="submit"] {
      padding: 12px;
      background: linear-gradient(135deg, #00d4ff, #0099ff);
      color: #fff;
      font-weight: 700;
      font-size: 1em;
      letter-spacing: 1px;
      cursor: pointer;
      border: none;
      margin-top: 5px;
      text-transform: uppercase;
      transition: 0.3s;
      box-shadow: 0 10px 25px rgba(0, 212, 255, 0.3);
    }
    
    .signin .content .form .inputBox input[type="submit"]:hover {
      transform: translateY(-2px);
      box-shadow: 0 15px 35px rgba(0, 212, 255, 0.4);
    }
    
    input[type="submit"]:active {
      transform: translateY(0);
      opacity: 0.9;
    }
    
    @media (max-width: 900px) {
      section span {
        width: calc(10vw - 2px);
        height: calc(10vw - 2px);
      }
    }
    
    @media (max-width: 600px) {
      section span {
        width: calc(20vw - 2px);
        height: calc(20vw - 2px);
      }
      
      section .signin {
        width: 90%;
        padding: 40px 30px;
      }
      
      section .signin .content h2 {
        font-size: 1.8em;
      }
    }