/* KeyMax global loading overlay. Sentinel palette: navy #1e3a8a, gold #fbbf24. */
#km-spinner-overlay {
  position: fixed; inset: 0; z-index: 2147483647;
  display: none; align-items: center; justify-content: center;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  opacity: 0; transition: opacity 120ms ease-out;
  pointer-events: none;
}
#km-spinner-overlay.km-visible {
  display: flex; opacity: 1; pointer-events: all;
}
#km-spinner-overlay .km-sp-card {
  background: #1e3a8a;
  border-radius: 14px; padding: 22px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  display: flex; align-items: center; gap: 14px;
  color: #fff; font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 15px; font-weight: 500; letter-spacing: 0.2px;
}
#km-spinner-overlay .km-sp-ring {
  width: 28px; height: 28px;
  border: 3px solid rgba(251, 191, 36, 0.25);
  border-top-color: #fbbf24;
  border-radius: 50%;
  animation: km-sp-rot 0.75s linear infinite;
}
@keyframes km-sp-rot { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  #km-spinner-overlay .km-sp-ring { animation: km-sp-rot 2s linear infinite; }
}