/* App-wide full-page loader (GST Bills — teal) */
body.page-loading {
  overflow: hidden;
}

#page-loader {
  position: fixed;
  inset: 0;
  z-index: 200000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #0b2e2a 0%, #0d9488 45%, #047857 100%);
  transition: opacity 0.35s ease, visibility 0.35s ease;
  visibility: visible;
  opacity: 1;
}

#page-loader[aria-hidden="true"] {
  pointer-events: none;
  visibility: hidden;
  opacity: 0;
}

.page-loader__inner {
  text-align: center;
  color: #f0fdfa;
}

.page-loader__spinner {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  border: 3px solid rgba(255, 255, 255, 0.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: page-loader-spin 0.75s linear infinite;
}

.page-loader__text {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  opacity: 0.95;
}

.page-loader__sub {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@keyframes page-loader-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-loader__spinner {
    animation: none;
    border-top-color: #fff;
  }
  #page-loader {
    transition: none;
  }
}