*{
      margin:0;
      padding:0;
      box-sizing:border-box;
      font-family: Arial, Helvetica, sans-serif;
    }

    body{
      min-height:100vh;
      background:
        linear-gradient(135deg, rgba(0,119,255,0.90), rgba(0,33,71,0.92)),
        url('img/bg-register.jpg') center/cover no-repeat;
      display:flex;
      align-items:center;
      justify-content:center;
      padding:20px;
    }

    .register-wrapper{
      width:100%;
      max-width:1100px;
      display:grid;
      grid-template-columns: 1fr 1fr;
      background:rgba(255,255,255,0.12);
      backdrop-filter: blur(10px);
      border:1px solid rgba(255,255,255,0.15);
      border-radius:24px;
      overflow:hidden;
      box-shadow:0 20px 60px rgba(0,0,0,0.25);
    }

    .left-side{
      padding:60px 45px;
      color:#fff;
      display:flex;
      flex-direction:column;
      justify-content:center;
      background:linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
    }

    .brand{
      font-size:34px;
      font-weight:700;
      margin-bottom:12px;
      letter-spacing:0.5px;
    }

    .subtitle{
      font-size:16px;
      line-height:1.7;
      color:rgba(255,255,255,0.88);
      max-width:420px;
      margin-bottom:30px;
    }

    .feature-list{
      display:flex;
      flex-direction:column;
      gap:14px;
      margin-top:15px;
    }

    .feature{
      background:rgba(255,255,255,0.08);
      border:1px solid rgba(255,255,255,0.10);
      border-radius:14px;
      padding:14px 16px;
      color:#fff;
      font-size:15px;
    }

    .right-side{
      background:#ffffff;
      padding:50px 35px;
      display:flex;
      align-items:center;
      justify-content:center;
    }

    .form-card{
      width:100%;
      max-width:430px;
    }

    .form-card h2{
      font-size:30px;
      color:#111827;
      margin-bottom:8px;
    }

    .form-card p{
      color:#6b7280;
      margin-bottom:28px;
      font-size:14px;
      line-height:1.6;
    }

    .form-group{
      margin-bottom:16px;
    }

    .form-row{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:14px;
    }

    label{
      display:block;
      margin-bottom:7px;
      color:#1f2937;
      font-weight:600;
      font-size:14px;
    }

    input{
      width:100%;
      padding:14px 14px;
      border-radius:12px;
      border:1px solid #d1d5db;
      outline:none;
      font-size:15px;
      transition:0.25s ease;
      background:#f9fafb;
    }

    input:focus{
      border-color:#0077ff;
      background:#fff;
      box-shadow:0 0 0 4px rgba(0,119,255,0.10);
    }

    .username-preview{
      margin-top:6px;
      font-size:13px;
      color:#2563eb;
      font-weight:600;
    }

    .btn-submit{
      width:100%;
      border:none;
      background:linear-gradient(135deg, #0077ff, #0052cc);
      color:#fff;
      padding:15px;
      border-radius:14px;
      font-size:16px;
      font-weight:700;
      cursor:pointer;
      transition:0.25s ease;
      margin-top:10px;
      box-shadow:0 10px 25px rgba(0,119,255,0.25);
    }

    .btn-submit:hover{
      transform:translateY(-2px);
      box-shadow:0 14px 30px rgba(0,119,255,0.30);
    }

    .login-link{
      text-align:center;
      margin-top:18px;
      font-size:14px;
      color:#6b7280;
    }

    .login-link a{
      color:#0077ff;
      text-decoration:none;
      font-weight:bold;
    }

    .small-note{
      font-size:12px;
      color:#6b7280;
      margin-top:10px;
      line-height:1.5;
    }

    .logo-badge{
      display:inline-block;
      background:rgba(255,255,255,0.15);
      border:1px solid rgba(255,255,255,0.18);
      color:#fff;
      padding:8px 14px;
      border-radius:999px;
      font-size:13px;
      margin-bottom:20px;
      width:max-content;
    }

    @media (max-width: 900px){
      .register-wrapper{
        grid-template-columns:1fr;
      }

      .left-side{
        display:none;
      }

      .right-side{
        padding:35px 20px;
      }
    }

    @media (max-width: 560px){
      .form-row{
        grid-template-columns:1fr;
      }

      .form-card h2{
        font-size:26px;
      }

      input{
        padding:13px;
      }
    }