.toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) scale(0.95);
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeeba;
  border-radius: 8px;
  padding: 10px 20px;
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  z-index: 9999;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) scale(1);
  pointer-events: auto;
}