/* ── Language switcher ────────────────────────────────────────────────────────

   One control, two placements: the top of the landing view and the right-hand
   end of the Quiz Chrome. The href comes from each page's data-lang-alt
   attribute, so the switcher works identically at the site root and at /zh/
   without any path arithmetic in JavaScript.

   Routing is handled in js/lang-routing.js, not here: a visitor whose browser
   primary language names a page this one does not offer is taken there before
   the bank loads, and anyone else gets the dismissible offer below once. The
   switcher stays the override — it is the only control that always works. ── */

.lang-switch {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  color: var(--color-text-muted);
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  text-decoration: none;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.lang-switch:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.lang-switch:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Landing view: sits above the app title, left-aligned with the content. */
#landing-view > .lang-switch {
  margin-bottom: var(--space-4);
}

/* Quiz Chrome: the last child, separated from the Phase Chip. The chip
   truncates first, so the switcher keeps its place at the far end. */
.quiz-chrome .lang-switch {
  margin-left: auto;
  flex-shrink: 0;
}

/* ── First-visit language offer ────────────────────────────────────────────────

   Non-blocking by construction: it sits above the title on the Landing Page,
   states the other language, and can be dismissed for good. It never covers
   content and never gates the Start control underneath it. ──────────────── */

.lang-offer {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface);
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--color-text-muted);
}

.lang-offer-accept,
.lang-offer-dismiss {
  font-family: inherit;
  font-size: inherit;
  line-height: 1;
  cursor: pointer;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.lang-offer-accept {
  color: var(--color-accent);
  background: none;
  border: 1px solid var(--color-accent);
  text-decoration: none;
}

.lang-offer-accept:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.lang-offer-dismiss {
  color: var(--color-text-muted);
  background: none;
  border: 1px solid transparent;
}

.lang-offer-dismiss:hover {
  color: var(--color-text);
  border-color: var(--color-border);
}

.lang-offer-accept:focus-visible,
.lang-offer-dismiss:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .lang-offer-accept,
  .lang-offer-dismiss {
    transition: none;
  }
}