/* ═══ Toast — shared by all pages ═══ */
.sidebar-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: #0f172a;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s, visibility .3s;
}
.sidebar-toast.show {
  opacity: 1;
  visibility: visible;
}