/* M3 language picker modal — scrim + centered sheet + search. */

.yg-lang-modal[hidden] { display: none !important; }

.yg-lang-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--md-sys-color-scrim, rgba(0, 0, 0, 0.6));
  backdrop-filter: blur(4px);
  z-index: 1400;
  padding: 1.5rem;
  animation: yg-lang-modal-fade 180ms var(--md-sys-motion-easing-standard, cubic-bezier(0.2, 0, 0, 1));
}

@keyframes yg-lang-modal-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.yg-lang-modal__panel {
  width: min(32rem, 100%);
  max-height: min(80vh, 40rem);
  display: grid;
  grid-template-rows: auto auto 1fr;
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface);
  border-radius: var(--md-sys-shape-extra-large);
  box-shadow: var(--md-sys-elevation-level-3);
  overflow: hidden;
  animation: yg-lang-modal-rise 260ms var(--md-sys-motion-easing-emphasized-decelerate, cubic-bezier(0.05, 0.7, 0.1, 1));
}

@keyframes yg-lang-modal-rise {
  from { transform: translateY(16px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.yg-lang-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 0.75rem;
}

.yg-lang-modal__title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.yg-lang-modal__title > .mud-icon-root {
  color: var(--md-sys-color-primary);
  flex-shrink: 0;
}

.yg-lang-modal__title strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.75rem;
  color: var(--md-sys-color-on-surface);
}

.yg-lang-modal__title small {
  display: block;
  font-size: 0.8125rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-top: 0.15rem;
}

.yg-lang-modal__search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.25rem 1.25rem 0.75rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--md-sys-shape-full);
  background: var(--md-sys-color-surface-container);
  color: var(--md-sys-color-on-surface);
  border: 1px solid transparent;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.yg-lang-modal__search:focus-within {
  border-color: var(--md-sys-color-primary);
  background: var(--md-sys-color-surface-container-low);
}

.yg-lang-modal__search > .mud-icon-root {
  color: var(--md-sys-color-on-surface-variant);
  flex-shrink: 0;
}

.yg-lang-modal__search-input {
  flex: 1 1 auto;
  min-width: 0;
  height: 2.25rem;
  padding: 0;
  border: none;
  outline: none;
  background: transparent;
  color: inherit;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  letter-spacing: 0.00625rem;
}

.yg-lang-modal__search-input::placeholder {
  color: var(--md-sys-color-on-surface-variant);
}

.yg-lang-modal__search-input::-webkit-search-cancel-button {
  display: none;
}

.yg-lang-modal__clear {
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.yg-lang-modal__clear:hover,
.yg-lang-modal__clear:focus-visible {
  outline: none;
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}

.yg-lang-modal__list {
  display: grid;
  gap: 0.1rem;
  align-content: start;
  padding: 0.25rem 0.75rem 1rem;
  overflow-y: auto;
  scrollbar-width: thin;
}

.yg-lang-modal__empty {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.9375rem;
}

.yg-lang-modal__item {
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  align-items: center;
  gap: 0.75rem;
  min-height: 3.75rem;
  padding: 0.75rem 0.9rem;
  border: none;
  border-radius: var(--md-sys-shape-large);
  background: transparent;
  color: var(--md-sys-color-on-surface);
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: background var(--transition-fast), color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.yg-lang-modal__item:hover,
.yg-lang-modal__item:focus-visible {
  outline: none;
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 8%, transparent);
}

.yg-lang-modal__item.is-active {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.yg-lang-modal__flag {
  font-size: 1.4rem;
  line-height: 1;
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 6%, transparent);
}

.yg-lang-modal__code {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: color-mix(in oklch, var(--md-sys-color-on-surface) 6%, transparent);
  color: var(--md-sys-color-on-surface-variant);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.yg-lang-modal__item.is-active .yg-lang-modal__flag,
.yg-lang-modal__item.is-active .yg-lang-modal__code {
  background: color-mix(in oklch, var(--md-sys-color-on-secondary-container) 12%, transparent);
  color: var(--md-sys-color-on-secondary-container);
}

.yg-lang-modal__names {
  display: grid;
  gap: 0.1rem;
  min-width: 0;
}

.yg-lang-modal__names strong {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1.35rem;
  letter-spacing: 0.00625rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yg-lang-modal__names small {
  font-size: 0.75rem;
  color: var(--md-sys-color-on-surface-variant);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.yg-lang-modal__item.is-active .yg-lang-modal__names small {
  color: color-mix(in oklch, var(--md-sys-color-on-secondary-container) 80%, transparent);
}

.yg-lang-modal__item > .mud-icon-root {
  color: var(--md-sys-color-primary);
  justify-self: end;
}

.yg-lang-modal__item.is-active > .mud-icon-root {
  color: var(--md-sys-color-on-secondary-container);
}

@media (max-width: 640px) {
  .yg-lang-modal {
    align-items: flex-end;
    padding: 0;
  }
  .yg-lang-modal__panel {
    width: 100%;
    max-height: 85vh;
    border-radius: var(--md-sys-shape-extra-large) var(--md-sys-shape-extra-large) 0 0;
    padding-bottom: env(safe-area-inset-bottom);
  }
}

@media (prefers-reduced-motion: reduce) {
  .yg-lang-modal,
  .yg-lang-modal__panel {
    animation: none;
  }
}