body {
  background: linear-gradient(135deg, #f0f2f5, #dbe2ec);
}
.logo-login {
  width: 90px;
}
.login-card {
  min-width: 380px;
  margin: auto;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
  background-color: #fff;
}