body {
  font-size: 15px;
}

.card {
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}

.card-header {
  background: #fff;
  border-radius: 12px 12px 0 0 !important;
}

.navbar-brand {
  letter-spacing: 0.3px;
}

@media (max-width: 576px) {
  .fs-5 { font-size: 1.05rem !important; }
  .fs-4 { font-size: 1.2rem !important; }
  .fs-3 { font-size: 1.4rem !important; }
}