/* Imagem de fundo com sobreposição escura */
.background-image {
  background: url('../img/fundo.jpg') no-repeat center center fixed;
  background-size: cover;
  filter: brightness(0.6);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Estilo da div de login */
.login-card {
  max-width: 400px;
  width: 100%;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
}

.form-control {
  background-color: rgba(255, 255, 255, 0.8);
  border: none;
}

.form-control:focus {
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}