/* ===============================
   DARK MODE TOGGLE BUTTON
   =============================== */

#darkToggle {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;

  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;

  background: #2563eb;
  color: #fff;
  font-size: 18px;
  cursor: pointer;

  box-shadow: 0 6px 16px rgba(0,0,0,0.3);
}

#darkToggle:hover {
  background: #1d4ed8;
}