body{
      min-height:100vh;
      display:flex;
      align-items:center;
      justify-content:center;
      background: linear-gradient(135deg,#f8fafc,#eef2ff);
      font-family: 'Inter', sans-serif;
    }
    .auth-card{
      background:#fff;
      width:100%;
      max-width:420px;
      padding:35px;
      border-radius:16px;
      box-shadow:0 10px 25px rgba(0,0,0,.08);
      animation: fadeUp .4s ease;
    }
    @keyframes fadeUp{
      from{opacity:0;transform:translateY(15px)}
      to{opacity:1;transform:none}
    }
    .auth-card h4{
      font-weight:600;
    }
    .form-control{
      border-radius:10px;
      padding:12px;
    }
    .btn-primary{
      border-radius:10px;
      padding:12px;
    }