body {
  padding-bottom: 3rem;
}
.navbar-brand {
  font-weight: 600;
}
table.table td, table.table th {
  vertical-align: middle;
}
.qty-input {
  max-width: 110px;
}
.low-stock {
  color: #b02a37;
  font-weight: 600;
}
@media (max-width: 576px) {
  h1, h2 { font-size: 1.4rem; }
  .table-responsive { font-size: 0.9rem; }
}