.app-page-loading,
.app-request-loading {
  --loading-text: #284359;
  --loading-accent: #2463eb;
  --loading-surface: #f4f8fcef;
  color: var(--loading-text);
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
}

.app-page-loading[hidden],
.app-request-loading[hidden] {
  display: none !important;
}

.app-page-loading {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: transparent;
  backdrop-filter: none;
}

/* Keep the shell visible without exposing placeholder data during bootstrap. */
.console-data-loading :is(.metrics, #domainList, .topbar-actions > button, #configText, #brandFooter) {
  visibility: hidden;
}

.console-data-error :is(.metrics, #domainList, .topbar-actions > button) {
  visibility: hidden;
}

.admin-console-view.console-data-loading .app-page-loading {
  left: 244px;
  top: 76px;
  --loading-text: #284359;
  --loading-accent: #2463eb;
}

@media (max-width: 760px) {
  .admin-console-view.console-data-loading .app-page-loading {
    left: 0;
    top: 36vh;
  }
}

.app-page-loading .app-loading-spinner {
  width: 44px;
  height: 44px;
  border-width: 4px;
  filter: drop-shadow(0 1px 3px #05243866);
}

.app-request-loading {
  position: fixed;
  top: 12px;
  left: 50%;
  z-index: 2100;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100vw - 32px);
  padding: 10px 16px;
  border: 1px solid #8db6c64d;
  border-radius: 6px;
  background: var(--loading-surface);
  box-shadow: 0 4px 16px #08243824;
  transform: translateX(-50%);
  pointer-events: none;
}

.app-request-loading::before {
  content: "";
  position: fixed;
  top: -12px;
  left: calc(50% - 50vw);
  width: 100vw;
  height: 3px;
  background: linear-gradient(90deg, transparent, #30ccea, transparent);
  animation: app-loading-progress 1.4s ease-in-out infinite;
}

.app-loading-spinner {
  display: inline-block;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border: 3px solid #2463eb33;
  border-top-color: var(--loading-accent, #2463eb);
  border-right-color: var(--loading-accent, #2463eb);
  border-radius: 50%;
  animation: app-loading-spin 0.8s linear infinite;
}

.app-request-loading .app-loading-spinner {
  width: 18px;
  height: 18px;
  border-width: 2px;
}

body:is(.admin-overview-view, .login-body, .app-session-loading) :is(.app-page-loading, .app-request-loading),
html[data-theme="modern"] :is(.app-page-loading, .app-request-loading),
body.waf-loading-view :is(.app-page-loading, .app-request-loading) {
  --loading-text: #d5f0fa;
  --loading-accent: #2463eb;
  --loading-surface: #073047ef;
}

html[data-theme] button.is-busy,
body button.is-busy {
  position: relative;
  padding-right: 32px !important;
}

html[data-theme] button.is-busy::after,
body button.is-busy::after {
  content: "" !important;
  position: absolute;
  top: 50%;
  right: 10px;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  background: none;
  mask: none;
  -webkit-mask: none;
  animation: app-loading-spin 0.8s linear infinite;
}

@keyframes app-loading-spin {
  to { transform: rotate(360deg); }
}

@keyframes app-loading-progress {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .app-loading-spinner,
  html[data-theme] button.is-busy::after,
  body button.is-busy::after {
    animation-duration: 1.6s;
  }

  .app-request-loading::before {
    animation: none;
  }
}