main.content-wrapper {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
  }

  /* Formulario de registro */
  .register-container {
    background: white;
    max-width: 480px;
    width: 100%;
    padding: 35px 45px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.05);
  }
  .register-title {
    font-size: 1.9rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 30px;
    text-align: center;
  }
  form {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  label {
    font-weight: 600;
    color: #34495e;
    user-select: none;
    margin-bottom: 6px;
  }
  input[type="text"],
  input[type="email"],
  input[type="password"],
  select {
    padding: 12px 15px;
    font-size: 1rem;
    border: 1.5px solid #bdc3c7;
    border-radius: 8px;
    transition: border-color 0.3s ease;
  }
  input[type="text"]:focus,
  input[type="email"]:focus,
  input[type="password"]:focus,
  select:focus {
    border-color: #4a90e2;
    outline: none;
  }
  button[type="submit"] {
    background-color: #4a90e2;
    color: white;
    padding: 15px 0;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.15rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    user-select: none;
    margin-top: 10px;
  }
  button[type="submit"]:hover {
    background-color: #3a78cc;
  }

  /* Para checkbox y términos */
  .terms-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: #555;
    user-select: none;
  }
  .terms-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
  }

  /* Responsive */
  @media (max-width: 500px) {
    .register-container {
      padding: 25px 20px;
    }
  }