#undoToast {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 14px 16px;
  border-radius: 8px;
  background-color: #2c2c2c;
  color: white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  transition: transform 300ms ease-out;
}

#undoToast.folded {
  transform: translateY(150%);
}

#undoToast .message {
  font-size: 15px;
}

#undoToast .undo-btn {
  color: #6fcf8f;
  font-weight: bold;
  font-size: 15px;
  white-space: nowrap;
  padding: 4px 8px;
}

#undoToast .undo-btn:active {
  opacity: 0.6;
}