/* ==========================================================================
 * 船联汇 VesselNexus — B1 WPML Language Switcher & RTL Support
 * ==========================================================================
 * §1. WPML Language Switcher (Header — dropdown + inline)
 * §2. WPML Language Switcher (Footer — inline list)
 * §3. Mobile Language Switcher (full-screen panel)
 * §4. RTL Overrides ([dir="rtl"])
 * §5. CSS Logical Properties Audit Helpers
 * §6. RTL Responsive Adjustments
 *
 * 依赖: vnx-design-tokens.css + WPML plugin
 * @package VesselNexus
 * @version 2.7.0
 * ========================================================================== */

/* ═══════════════════════════════════════════════════════════════════════
   §1. WPML HEADER LANGUAGE SWITCHER
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Dropdown variant (PC header) ── */
.vnx-lang-switcher {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.vnx-lang-switcher__current {
  display: inline-flex;
  align-items: center;
  gap: var(--vnx-space-2);
  padding: var(--vnx-space-1) var(--vnx-space-3);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--vnx-radius-md);
  background: rgba(255, 255, 255, 0.06);
  color: var(--vnx-text-inverse);
  font-size: var(--vnx-text-xs);
  font-weight: var(--vnx-font-semibold);
  cursor: pointer;
  transition: all var(--vnx-duration-fast);
  white-space: nowrap;
  user-select: none;
}

.vnx-lang-switcher__current:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.1);
}

.vnx-lang-switcher__current-icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.vnx-lang-switcher__current-arrow {
  font-size: 8px;
  margin-inline-start: 2px;
  transition: transform var(--vnx-duration-fast);
}

.vnx-lang-switcher--open .vnx-lang-switcher__current-arrow {
  transform: rotate(180deg);
}

.vnx-lang-switcher__dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  background: var(--vnx-white);
  border: 1px solid var(--vnx-border-light);
  border-radius: var(--vnx-radius-lg);
  box-shadow: var(--vnx-shadow-lg);
  z-index: 1100;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--vnx-duration-fast) var(--vnx-ease-out);
}

.vnx-lang-switcher--open .vnx-lang-switcher__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.vnx-lang-switcher__dropdown-list {
  list-style: none;
  margin: 0;
  padding: var(--vnx-space-1) 0;
}

.vnx-lang-switcher__item {
  display: flex;
}

.vnx-lang-switcher__link {
  display: flex;
  align-items: center;
  gap: var(--vnx-space-3);
  width: 100%;
  padding: var(--vnx-space-2) var(--vnx-space-4);
  text-decoration: none;
  font-size: var(--vnx-text-sm);
  color: var(--vnx-text-primary);
  transition: background var(--vnx-duration-fast);
  white-space: nowrap;
}

.vnx-lang-switcher__link:hover {
  background: var(--vnx-ocean-50);
}

.vnx-lang-switcher__link--active {
  font-weight: var(--vnx-font-semibold);
  color: var(--vnx-ocean-600);
  background: var(--vnx-ocean-50);
}

.vnx-lang-switcher__flag {
  width: 20px;
  height: 14px;
  border-radius: 2px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.vnx-lang-switcher__name {
  flex: 1;
}

.vnx-lang-switcher__native {
  font-size: var(--vnx-text-xs);
  color: var(--vnx-text-tertiary);
  margin-inline-start: auto;
  padding-inline-start: var(--vnx-space-3);
}

/* ── Inline variant (for light backgrounds) ── */
.vnx-lang-switcher--inline .vnx-lang-switcher__current {
  border-color: var(--vnx-border-default);
  background: var(--vnx-white);
  color: var(--vnx-text-secondary);
}

.vnx-lang-switcher--inline .vnx-lang-switcher__current:hover {
  border-color: var(--vnx-ocean-300);
  color: var(--vnx-ocean-600);
}

/* ═══════════════════════════════════════════════════════════════════════
   §2. WPML FOOTER LANGUAGE SWITCHER
   ═══════════════════════════════════════════════════════════════════════ */

.vnx-lang-switcher-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: var(--vnx-space-4) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.vnx-lang-switcher-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--vnx-space-1);
}

.vnx-lang-switcher-footer__item {
  display: flex;
  align-items: center;
}

.vnx-lang-switcher-footer__link {
  display: inline-flex;
  align-items: center;
  gap: var(--vnx-space-2);
  padding: var(--vnx-space-1) var(--vnx-space-3);
  border-radius: var(--vnx-radius-sm);
  text-decoration: none;
  font-size: var(--vnx-text-xs);
  color: var(--vnx-gray-400);
  transition: all var(--vnx-duration-fast);
}

.vnx-lang-switcher-footer__link:hover {
  color: var(--vnx-white);
  background: rgba(255, 255, 255, 0.06);
}

.vnx-lang-switcher-footer__link--active {
  color: var(--vnx-gold-400);
  font-weight: var(--vnx-font-semibold);
}

.vnx-lang-switcher-footer__flag {
  width: 16px;
  height: 12px;
  border-radius: 1px;
  object-fit: cover;
}

.vnx-lang-switcher-footer__divider {
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.12);
  margin: 0 var(--vnx-space-1);
}

/* ═══════════════════════════════════════════════════════════════════════
   §3. MOBILE LANGUAGE SWITCHER
   ═══════════════════════════════════════════════════════════════════════ */

.vnx-lang-switcher-mobile {
  padding: var(--vnx-space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.vnx-lang-switcher-mobile__title {
  font-size: var(--vnx-text-xs);
  font-weight: var(--vnx-font-semibold);
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: var(--vnx-tracking-wider);
  margin: 0 0 var(--vnx-space-3);
}

.vnx-lang-switcher-mobile__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--vnx-space-2);
}

.vnx-lang-switcher-mobile__link {
  display: inline-flex;
  align-items: center;
  gap: var(--vnx-space-2);
  padding: var(--vnx-space-2) var(--vnx-space-4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--vnx-radius-full);
  text-decoration: none;
  font-size: var(--vnx-text-sm);
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--vnx-duration-fast);
}

.vnx-lang-switcher-mobile__link:hover {
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--vnx-white);
}

.vnx-lang-switcher-mobile__link--active {
  background: var(--vnx-gold-500);
  border-color: var(--vnx-gold-500);
  color: var(--vnx-ocean-950);
  font-weight: var(--vnx-font-semibold);
}

/* ═══════════════════════════════════════════════════════════════════════
   §4. RTL OVERRIDES ([dir="rtl"])
   ═══════════════════════════════════════════════════════════════════════ */

[dir="rtl"] {

  /* ── Typography ── */
  --vnx-tracking-tight: 0.02em;
  text-align: right;

  /* ── Header ── */
  .vnx-header__inner {
    flex-direction: row-reverse;
  }

  .vnx-nav {
    padding-inline-start: 0;
    padding-inline-end: 0;
  }

  .vnx-nav__arrow {
    transform: rotate(180deg);
  }

  .vnx-nav__submenu {
    left: auto;
    right: 0;
  }

  /* ── Hero ── */
  .vnx-hero__stats {
    direction: ltr; /* numbers remain left-to-right */
  }

  /* ── Content ── */
  .vnx-content-layout {
    flex-direction: row-reverse;
  }

  .vnx-post-meta__item:not(:last-child)::after {
    margin-inline-start: var(--vnx-space-2);
    margin-inline-end: 0;
  }

  blockquote {
    border-inline-start: none;
    border-inline-end: 3px solid var(--vnx-gold-400);
    padding-inline-start: 0;
    padding-inline-end: var(--vnx-space-4);
  }

  /* ── Comments ── */
  .vnx-comment--parent {
    margin-inline-start: 0;
    margin-inline-end: var(--vnx-space-8);
  }

  .vnx-comment__reply-link {
    margin-inline-start: 0;
    margin-inline-end: auto;
  }

  /* ── Forms ── */
  .vnx-input,
  .vnx-textarea,
  .vnx-select {
    text-align: right;
  }

  .vnx-form-group--half:first-child {
    padding-inline-end: var(--vnx-space-2);
    padding-inline-start: 0;
  }

  .vnx-form-group--half:last-child {
    padding-inline-start: var(--vnx-space-2);
    padding-inline-end: 0;
  }

  /* ── Buttons ── */
  .vnx-btn--primary,
  .vnx-btn--secondary {
    /* Keep gradient direction consistent */
    background: linear-gradient(225deg, var(--vnx-gold-500), var(--vnx-gold-400));
  }

  /* ── Icons in buttons ── */
  .vnx-btn .vnx-btn__icon--start {
    margin-inline-end: var(--vnx-space-2);
    margin-inline-start: 0;
  }

  .vnx-btn .vnx-btn__icon--end {
    margin-inline-start: var(--vnx-space-2);
    margin-inline-end: 0;
  }

  /* ── Dashboard ── */
  .vnx-dashboard__sidebar {
    border-inline-end: none;
    border-inline-start: 1px solid var(--vnx-border-light);
  }

  .vnx-dash-timeline__item {
    flex-direction: row-reverse;
  }

  .vnx-dash-timeline__item::before {
    left: auto;
    right: 11px;
  }

  .vnx-dash-stat__icon {
    margin-inline-end: var(--vnx-space-4);
    margin-inline-start: 0;
  }

  .vnx-dash-nav__badge {
    margin-inline-start: 0;
    margin-inline-end: auto;
  }

  /* ── Modal ── */
  .vnx-modal__close {
    right: auto;
    left: var(--vnx-space-4);
  }

  /* ── Tables ── */
  .vnx-table--sticky-col th:first-child,
  .vnx-table--sticky-col td:first-child {
    left: auto;
    right: 0;
    border-inline-end: none;
    border-inline-start: 1px solid var(--vnx-border-light);
  }

  .vnx-compare-table thead th:first-child,
  .vnx-compare-table__spec-row th {
    left: auto;
    right: 0;
    border-inline-end: none;
    border-inline-start: 1px solid var(--vnx-border-light);
  }

  /* ── Toast ── */
  .vnx-toast {
    left: auto;
    animation-name: vnx-toast-slide-in-rtl;
  }

  .vnx-toast--top-left {
    right: auto;
    left: var(--vnx-space-4);
  }

  .vnx-toast--bottom-left {
    right: auto;
    left: var(--vnx-space-4);
  }

  @keyframes vnx-toast-slide-in-rtl {
    from { transform: translateX(-100%); opacity: 0; }
    to   { transform: translateX(0); opacity: 1; }
  }

  /* ── Search Panel ── */
  .vnx-autocomplete__type {
    margin-inline-start: auto;
    margin-inline-end: 0;
  }

  .vnx-filter-chip__remove {
    margin-inline-start: var(--vnx-space-2);
    margin-inline-end: 0;
  }

  /* ── Compare Bar ── */
  .vnx-compare-bar__thumb-remove {
    right: auto;
    left: -4px;
  }

  /* ── Charts ── */
  .vnx-chart-legend {
    flex-direction: row-reverse;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   §5. RTL ANIMATION OVERRIDES
   ═══════════════════════════════════════════════════════════════════════ */

[dir="rtl"] {
  .vnx-toast--top-right {
    animation-name: vnx-toast-slide-in-rtl;
  }

  .vnx-toast--bottom-right {
    animation-name: vnx-toast-slide-in-rtl;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   §6. RTL RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════ */

@media (max-width: 1023px) {
  [dir="rtl"] {
    .vnx-dashboard__sidebar {
      border-inline-start: none;
      border-bottom: 1px solid var(--vnx-border-light);
    }
  }
}

@media (max-width: 767px) {
  [dir="rtl"] {
    .vnx-comment--parent {
      margin-inline-end: var(--vnx-space-4);
    }
  }
}