html[lang="en"]:not(.i18n-ready) body { visibility: hidden; }

.locale-error {
  box-sizing: border-box;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 16px;
  max-width: 560px;
  margin: auto;
  padding: 32px;
  font-family: system-ui, sans-serif;
  color: #25252b;
}
.locale-error h1 { margin: 0; font-size: 24px; }
.locale-error p { margin: 0; line-height: 1.5; }
.locale-error button { padding: 10px 16px; cursor: pointer; }
html[data-theme="dark"] .locale-error { color: #f4f4f5; }