/* ===== Ajuste global rápido ===== */
* { box-sizing: border-box; }

/* ===== Fundo (gradiente) ===== */
body {
  background: linear-gradient(135deg, #002d71 0%, #0069c0 80%);
  /* O HTML já usa as classes Bootstrap para centralizar o cartão */
}

/* ===== Cartão de login ===== */
.card {
  border: none;            /* remove borda cinza padrão */
  border-radius: 1rem;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.85);
}

/* ===== Logo ===== */
.card img {
  max-height: 90px;
}

/* ===== Campos de texto ===== */
.form-control {
  height: 48px;
  font-size: 0.95rem;
}
.form-control::placeholder {
  color: #6c757d;
  opacity: .85;
}

/* ===== Botão Entrar ===== */
.btn-primary {
  font-weight: 600;
  transition: transform .15s ease;
}
.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
}

/* ===== Responsividade mínima ===== */
@media (max-width: 375px) {
  .card { padding: 1.5rem; }
}