.support-copy-toast {
  position: fixed;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 10000;
  min-width: 138px;
  padding: 11px 18px;
  border: 1px solid rgba(59, 130, 246, .38);
  border-radius: 12px;
  background: rgba(12, 20, 35, .96);
  box-shadow: 0 16px 44px rgba(0, 0, 0, .38), inset 3px 0 0 #ff5a1f;
  color: #f4f7fb;
  font: 700 14px/1.35 system-ui, -apple-system, "Segoe UI", sans-serif;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 12px) scale(.98);
  transition: opacity .18s ease, transform .18s ease;
}

.support-copy-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
  .support-copy-toast { transition: none; }
}