/* 首屏加载占位（index.html 引用）；与 src/styles/app-loading-spinner.scss 保持同步 */
:root {
  --app-loading-spinner-size: 36px;
  --app-loading-spinner-track: #e4e7ed;
  --app-loading-spinner-accent: var(--el-color-primary, var(--primary-color, #6366f1));
  --app-loading-spinner-duration: 0.8s;
}

/* 与 shared/navThemeTokens accent 对齐，供首屏在完整主题 CSS 加载前使用 */
html[data-nav-theme='ocean'] {
  --app-loading-spinner-accent: #0284c7;
}
html[data-nav-theme='emerald'] {
  --app-loading-spinner-accent: #059669;
}
html[data-nav-theme='slate'] {
  --app-loading-spinner-accent: #5c6b8a;
}
html[data-nav-theme='rose'] {
  --app-loading-spinner-accent: #f43f5e;
}
html[data-nav-theme='amber'] {
  --app-loading-spinner-accent: #d97706;
}
html[data-nav-theme='wine'] {
  --app-loading-spinner-accent: #9f1239;
}
html[data-nav-theme='moss'] {
  --app-loading-spinner-accent: #4d7c0f;
}

.app-loading-spinner {
  display: inline-block;
  box-sizing: border-box;
  width: var(--app-loading-spinner-size);
  height: var(--app-loading-spinner-size);
  border: 3px solid var(--app-loading-spinner-track);
  border-top-color: var(--app-loading-spinner-accent);
  border-radius: 50%;
  animation: app-loading-spin var(--app-loading-spinner-duration) linear infinite;
}

#boot-fallback {
  position: fixed;
  inset: 0;
  z-index: 2147483646;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    sans-serif;
}

#boot-fallback.boot-fallback--error .app-loading-spinner {
  display: none;
}

#boot-fallback .boot-fallback-error {
  margin: 0;
  padding: 0 24px;
  max-width: 320px;
  text-align: center;
  font-size: 15px;
  line-height: 1.6;
  color: #606266;
}

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

@media (prefers-reduced-motion: reduce) {
  .app-loading-spinner {
    animation: none;
    opacity: 0.85;
  }
}