export function setMainColor(color) {
  document.documentElement.style.setProperty("--main-color", color);
  localStorage.setItem("mainColor", color);
}
export function setBorderColor(color) {
  document.documentElement.style.setProperty("--border-color", color);
  localStorage.setItem("borderColor", color);
}
export function setBgColor(color) {
  document.documentElement.style.setProperty("--bg-color", color);
  localStorage.setItem("bgColor", color);
}
export function showError(msg) {
  alert(msg); // Или в UI
}