body { background: #f7f7fb; }
.card { border-radius: 1rem; }
.table-hover tbody tr:hover { background: #f9fbff; }
.flash-container { position: sticky; top: 1rem; z-index: 1020; }

.preview-frame {
  width: 100%;
  border: 1px solid #e5e8ee;
  border-radius: .5rem;
}