/* Bilingual labels. Secondary line uses the muted token at 0.85em, never italic-only.
   Logical properties so a future RTL language (ur, ar) can set dir="rtl" without new CSS. */

.bi { display: inline-flex; flex-direction: column; align-items: flex-start; min-width: 0; max-width: 100%; vertical-align: middle; gap: 0; }
.bi--inline { flex-direction: row; align-items: center; }
.bi--dot { flex-direction: row; flex-wrap: wrap; align-items: baseline; gap: 0.35em; }
.bi__primary {
  font-size: 1em;
  font-style: normal;
  line-height: var(--lh-snug, 1.25);
  overflow: visible;
  text-overflow: clip;
  white-space: normal;
  overflow-wrap: anywhere;
  min-width: 0;
}
/* Secondary-language lines never drop below 12px, so small labels stay readable (WCAG 1.4.3 in dark mode too). */
.bi__second, .instr__de {
  font-size: max(0.85em, var(--fs-12));
  font-style: normal;
  line-height: 1.3;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.bi__second { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 0.2em; max-width: 100%; }
[lang="de"], .bi__second, .instr__de {
  -webkit-hyphens: auto;
  hyphens: auto;
}
.bi__gloss, .bi__play, .bi__add {
  margin: 0;
  padding-block: 0;
  padding-inline: 0.15em;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 0.85em;
  line-height: 1.2;
  cursor: pointer;
  text-align: start;
}
.bi__gloss { font-size: 1em; text-decoration: underline dotted; text-underline-offset: 0.15em; }
.bi__play, .bi__add {
  min-width: 1.5em;
  min-height: 1.5em;
  border-radius: var(--s-1, 4px);
}
.bi__play:hover, .bi__add:hover, .bi__gloss:hover,
.bi__play:focus-visible, .bi__add:focus-visible, .bi__gloss:focus-visible {
  background: color-mix(in srgb, var(--muted) 16%, transparent);
  outline: 2px solid var(--signal, currentColor);
  outline-offset: 1px;
}
.bi__tip {
  position: absolute;
  z-index: 30;
  inset-inline-start: 0;
  inset-block-start: calc(100% + 4px);
  display: none;
  padding-block: 0.35em;
  padding-inline: 0.5em;
  border: 1px solid var(--line);
  border-radius: var(--r-control);
  background: var(--card);
  color: var(--ink, inherit);
  box-shadow: var(--shadow-2, 0 8px 24px rgb(0 0 0 / 12%));
  white-space: normal;
}
.bi--inline { position: relative; }
.bi--inline:hover .bi__tip,
.bi--inline:focus-within .bi__tip,
.bi__tip.is-open { display: inline-flex; align-items: center; gap: 0.25em; }
.instr { margin: 0 0 0.5rem; }
.instr__en, .instr__de { display: block; }
.lang-menu { position: relative; display: inline-block; }
.lang-menu__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  min-height: var(--control-h-sm);
  padding-inline: var(--s-3) var(--s-2);
  border: var(--bw, 1px) solid var(--line);
  border-radius: var(--r-pill);
  background: var(--card);
  color: var(--ink);
  font: inherit;
  font-size: var(--fs-14);
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.lang-menu__btn:hover { border-color: var(--line-strong); background: var(--paper-sunk); }
.lang-menu.is-open .lang-menu__btn { border-color: var(--ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal) 35%, transparent); }
.lang-menu__globe { color: var(--muted); }
.lang-menu__chev { color: var(--muted); transition: transform var(--t) var(--ease); }
.lang-menu.is-open .lang-menu__chev { transform: rotate(180deg); }
.lang-menu__list {
  position: absolute;
  z-index: var(--z-menu, 60);
  inset-block-start: calc(100% + var(--s-2));
  inset-inline-end: 0;
  display: grid;
  gap: 2px;
  min-width: 220px;
  max-height: min(70vh, 440px);
  overflow-y: auto;
  margin: 0;
  padding: var(--s-2);
  list-style: none;
  border: var(--bw, 1px) solid var(--line);
  border-radius: var(--r-card);
  background: var(--card);
  box-shadow: var(--shadow-float);
  transform-origin: top;
  animation: lang-menu-in var(--t) var(--ease);
}
.lang-menu__list[hidden] { display: none; }
@keyframes lang-menu-in { from { opacity: 0; transform: translateY(-4px) scale(0.98); } to { opacity: 1; transform: none; } }
.lang-menu__item {
  display: grid;
  grid-template-columns: 1fr auto 16px;
  align-items: center;
  gap: var(--s-3);
  width: 100%;
  min-height: 40px;
  padding-inline: var(--s-3);
  border: 0;
  border-radius: var(--r-control);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: var(--fs-16);
  text-align: start;
  cursor: pointer;
  transition: background-color var(--t-fast) var(--ease);
}
.lang-menu__item:hover, .lang-menu__item:focus-visible { background: var(--paper-sunk); outline: none; }
.lang-menu__item:focus-visible { box-shadow: inset 0 0 0 2px var(--signal); }
.lang-menu__item[aria-checked="true"] { font-weight: 600; background: color-mix(in srgb, var(--signal) 14%, transparent); }
.lang-menu__name { justify-self: start; unicode-bidi: isolate; }
.lang-menu__current-name { display: none; font-weight: 500; letter-spacing: 0; color: var(--muted); }
.lang-menu__code { font-size: var(--fs-12); font-weight: 600; letter-spacing: 0.06em; color: var(--muted); }
.lang-menu__check { grid-column: 3; color: var(--signal-text); }
.nav-sheet .lang-menu { display: block; }
.nav-sheet .lang-menu__btn { width: 100%; min-height: var(--control-h); justify-content: flex-start; }
.nav-sheet .lang-menu__current-name { display: inline; }
.nav-sheet .lang-menu__chev { margin-inline-start: auto; }
.nav-sheet .lang-menu__list { position: static; min-width: 0; max-height: none; margin-block-start: var(--s-2); box-shadow: none; }
@media (prefers-reduced-motion: reduce) {
  .lang-menu__list { animation: none; }
  .lang-menu__chev { transition: none; }
}
.cert-sheet { max-width: var(--w-reading); }
.cert-sheet__de { margin-block-end: var(--s-5); }
.cert-sheet__en { padding-block-start: var(--s-4); border-block-start: 1px solid var(--line); }
.mark-row { display: flex; gap: 0.75rem; align-items: baseline; }
.mark-row__code { font-weight: 700; min-width: 2.5rem; }

@media (max-width: 375px) {
  .rail__label, .bi__primary, .tabbar span { overflow-wrap: anywhere; white-space: normal; }
}

/* Settings: interface-language options. Title and description on their own lines. */
.choice { display: flex; align-items: flex-start; gap: var(--s-3); padding: var(--s-2) 0; cursor: pointer; }
.choice input { margin-top: 0.3em; flex: none; }
.choice > span { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.choice .hint { display: block; color: var(--muted); }

/* Certificate header with the brand mark */
.cert-sheet__brand { display: flex; align-items: center; gap: var(--s-2); margin-bottom: var(--s-4); padding-bottom: var(--s-3); border-bottom: 2px solid var(--signal); font-family: var(--font-display); font-weight: 600; font-size: var(--fs-22); }
.cert-sheet__brand img { width: 44px; height: auto; }