.wa-card { margin-top:10px; }
.wa-card__btn {
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 12px; border:none; border-radius:8px;
  background:#25D366; color:#fff; font-weight:600; cursor:pointer;
}
.wa-card__btn:hover { filter:brightness(0.95); }
.wa-card__qty { margin-right:10px; }
.wa-card__qty-input {
  width:60px; padding:4px; border:1px solid #ccc; border-radius:6px;
}
.wa-toast {
  margin-top:6px; font-size:0.85rem; color:#334155;
  min-height:1em; transition:opacity .3s ease; opacity:0;
}