#fbclid-toast {
  position: fixed;
  z-index: 999999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}
#fbclid-toast.top-left { top: 12px; left: 12px; }
#fbclid-toast.top-right { top: 12px; right: 12px; }
#fbclid-toast.bottom-left { bottom: 12px; left: 12px; }
#fbclid-toast.bottom-right { bottom: 12px; right: 12px; }

.fb-toast {
  font: 14px/1.45 system-ui, -apple-system, Segoe UI, Roboto, Noto Sans Thai, sans-serif;
  background: #111;
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
  max-width: min(90vw, 420px);
}
.fb-toast.show { opacity: 1; transform: translateY(0); }
.fb-toast.success { background: #0a7a38; }
.fb-toast.info { background: #1f70ff; }