.app-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  background: transparent;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.app-loader.is-active {
  display: flex;
}

.app-loader__spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: app-loader-spin 0.6s linear infinite;
}

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