#ua-runtime-recovery {
  position: fixed;
  inset: 0;
  z-index: 2147483647;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  box-sizing: border-box;
  padding: 32px;
  color: #111827;
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  text-align: center;
}
#ua-runtime-recovery h1 { margin: 0; font-size: 22px; }
#ua-runtime-recovery p { margin: 0; line-height: 1.6; }
#ua-runtime-recovery button {
  min-height: 44px;
  padding: 12px 24px;
  border: 0;
  border-radius: 12px;
  color: white;
  background: #2563eb;
  font: inherit;
  cursor: pointer;
}
@media (prefers-color-scheme: dark) {
  #ua-runtime-recovery { color: #f3f4f6; background: #0f1419; }
}