/**
 * Locale slider — Heritage Media Labs–inspired floating language control.
 * Fixed bottom-left pill + searchable panel (details/summary).
 *
 * Chrome stack (bottom-left, bottom → top):
 *   1. Cookie settings reopen (when consent already given)
 *   2. Locale slider trigger
 * Cookie banner (first visit) sits bottom-right and must not yank the slider mid-page.
 */

.locale-slider {
  position: fixed;
  z-index: var(--z-locale);
  left: max(0.75rem, env(safe-area-inset-left));
  /* Stay low — clear header/logo; only lift for cookie reopen / narrow banner. */
  bottom: max(0.75rem, env(safe-area-inset-bottom));
  font-size: var(--text-sm);
  /* Fixed control footprint — avoids CLS when details open/close. */
  min-width: 9.5rem;
  min-height: 2.75rem;
  contain: layout;
}

/* Consent given: cookie settings sits under the slider → lift the pill. */
html.has-cookie-consent .locale-slider {
  bottom: max(3.35rem, calc(env(safe-area-inset-bottom) + 2.6rem));
}

/*
 * First visit: keep slider low on desktop (banner is right-aligned).
 * On narrow viewports only, lift above the full-width banner.
 */
@media (max-width: 40rem) {
  html:not(.has-cookie-consent) body:has(.cookie-consent:not([hidden]):not(.cookie-consent--prefs-open)) .locale-slider {
    bottom: max(12.5rem, calc(env(safe-area-inset-bottom) + 11.5rem));
  }
}

.locale-slider__details {
  position: relative;
}

.locale-slider__trigger {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem 0.45rem 0.55rem;
  margin: 0;
  min-height: 44px;
  background: rgba(18, 22, 29, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(240, 242, 245, 0.12);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  color: var(--color-chrome-ink);
  cursor: pointer;
  font-family: inherit;
  transition:
    border-color var(--duration-base) var(--ease-soft),
    transform var(--duration-base) var(--ease-out);
}

.locale-slider__trigger::-webkit-details-marker {
  display: none;
}

.locale-slider__trigger::marker {
  content: "";
}

.locale-slider__trigger:hover {
  border-color: var(--color-accent-border);
}

.locale-slider__trigger:focus-visible {
  outline: 2px solid var(--color-chrome-accent);
  outline-offset: 2px;
}

.locale-slider__details[open] .locale-slider__trigger {
  border-color: var(--color-accent-border);
}

.locale-slider__details[open] .locale-slider__chevron {
  transform: rotate(180deg);
}

.locale-slider__globe {
  display: flex;
  color: var(--color-chrome-accent);
  flex-shrink: 0;
}

.locale-slider__label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.15;
  text-align: start;
}

.locale-slider__title {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-chrome-muted);
  font-weight: var(--weight-semibold);
}

.locale-slider__current {
  font-weight: var(--weight-semibold);
  font-size: 0.88rem;
  max-width: 9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.locale-slider__chevron {
  display: flex;
  opacity: 0.6;
  flex-shrink: 0;
  transition: transform var(--duration-base) var(--ease-out);
}

.locale-slider__panel {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  display: flex;
  flex-direction: column;
  min-width: min(300px, calc(100vw - 1.5rem));
  max-width: min(360px, calc(100vw - 1.5rem));
  max-height: min(70vh, 420px);
  overflow: hidden;
  background: rgba(18, 22, 29, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(240, 242, 245, 0.14);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: locale-panel-in var(--duration-base) var(--ease-out);
}

@keyframes locale-panel-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .locale-slider__panel {
    animation: none;
  }

  .locale-slider__chevron {
    transition: none;
  }
}

.locale-slider__search {
  position: sticky;
  top: 0;
  z-index: 1;
  flex-shrink: 0;
  padding: 0.65rem 0.75rem 0.55rem;
  background: rgba(18, 22, 29, 0.98);
  border-bottom: 1px solid rgba(240, 242, 245, 0.1);
}

.locale-slider__search-input {
  width: 100%;
  margin: 0;
  padding: 0.55rem 0.75rem;
  border: 1px solid rgba(240, 242, 245, 0.14);
  border-radius: var(--radius-xs);
  background: var(--color-chrome-elevated);
  color: var(--color-chrome-ink);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.3;
  min-height: 40px;
  transition:
    border-color var(--duration-fast) var(--ease-soft),
    box-shadow var(--duration-fast) var(--ease-soft);
}

.locale-slider__search-input::placeholder {
  color: var(--color-chrome-muted);
}

.locale-slider__search-input:hover {
  border-color: rgba(240, 242, 245, 0.22);
}

.locale-slider__search-input:focus {
  outline: none;
  border-color: var(--color-chrome-accent);
  box-shadow: 0 0 0 2px var(--color-accent-ring);
}

.locale-slider__list {
  list-style: none;
  margin: 0;
  padding: 0.35rem 0 0.5rem;
  overflow: hidden auto;
  flex: 1 1 auto;
  overscroll-behavior: contain;
}

.locale-slider__option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem 1.15rem;
  color: rgba(240, 242, 245, 0.72);
  text-decoration: none;
  font-weight: var(--weight-medium);
  transition:
    background-color var(--duration-fast) var(--ease-soft),
    color var(--duration-fast) var(--ease-soft);
}

.locale-slider__option:visited {
  color: rgba(240, 242, 245, 0.72);
  text-decoration: none;
}

.locale-slider__option-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.1rem;
  min-width: 0;
}

.locale-slider__option-label {
  line-height: 1.25;
}

.locale-slider__option-meta {
  font-size: 0.72rem;
  font-weight: var(--weight-medium);
  letter-spacing: 0.02em;
  color: var(--color-chrome-muted);
}

.locale-slider__option:hover,
.locale-slider__option:focus-visible,
.locale-slider__option.is-active {
  background: var(--color-accent-soft-strong);
  color: var(--color-chrome-ink);
  outline: none;
  text-decoration: none;
}

.locale-slider__option.is-current {
  color: var(--color-chrome-accent);
}

.locale-slider__check {
  color: var(--color-chrome-accent);
  font-weight: var(--weight-bold);
  font-size: 1rem;
  flex-shrink: 0;
}

.locale-slider__empty {
  margin: 0;
  padding: 1rem 1.15rem 1.15rem;
  color: var(--color-chrome-muted);
  font-size: 0.88rem;
  line-height: 1.4;
  text-align: center;
}

.locale-slider__empty[hidden] {
  display: none !important;
}

/* RTL: keep floating chrome mirrored (slider/cookie under opposite corner from banner). */
html[dir="rtl"] .locale-slider {
  left: auto;
  right: max(0.75rem, env(safe-area-inset-right));
}

html[dir="rtl"] .locale-slider__panel {
  left: auto;
  right: 0;
}

html[dir="rtl"] .locale-slider__label,
html[dir="rtl"] .locale-slider__option-text {
  align-items: flex-end;
  text-align: end;
}