body {
    background-color: #f0f8ff; /* Celeste suave */
  }
  
  .login-card {
    border: 2px solid #0d6efd; /* Borde celeste (color primary de Bootstrap) */
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
    background: white;
    padding: 20px;
  }