:root {
  --brand-dark: #1a1a1a;
}
body { background: #f5f6f8; }
.topbar { background: var(--brand-dark) !important; }
.card-loja { transition: transform .1s ease; cursor: pointer; }
.card-loja:hover { transform: translateY(-2px); box-shadow: 0 .5rem 1rem rgba(0,0,0,.1); }
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--brand-dark);
}
.login-card { max-width: 360px; width: 100%; }
table.table thead { background: #fafafa; }