/* ============================================================
   SELETOR DE IDIOMA (dropdown custom — nav)
   ============================================================ */
.lang-switch { position: relative; }

/* gatilho */
.lang-trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 38px;
  padding: 0 10px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.lang-trigger:hover,
.lang-switch.open .lang-trigger {
  color: #fff;
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  background: rgba(255, 255, 255, 0.04);
}
.lang-trigger .lang-globe { width: 15px; height: 15px; flex-shrink: 0; }
.lang-trigger .lang-chev { width: 13px; height: 13px; opacity: 0.7; transition: transform 0.25s ease; }
.lang-switch.open .lang-trigger .lang-chev { transform: rotate(180deg); }

/* menu */
.lang-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 168px;
  margin: 0;
  padding: 6px;
  list-style: none;
  background: rgba(17, 17, 21, 0.92);
  border: 1px solid var(--line);
  border-radius: 13px;
  box-shadow: 0 18px 44px -14px rgba(0, 0, 0, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
          backdrop-filter: blur(18px) saturate(150%);
  z-index: 120;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.98);
  transform-origin: top right;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}
.lang-switch.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.lang-menu li { list-style: none; }

.lang-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 11px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--sans);
  font-size: 13.5px;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}
.lang-opt:hover { background: rgba(255, 255, 255, 0.05); color: #fff; }
.lang-opt.is-active {
  color: #fff;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
}
.lang-opt .opt-code {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-mute);
  width: 22px;
  flex-shrink: 0;
}
.lang-opt:hover .opt-code { color: var(--text-dim); }
.lang-opt.is-active .opt-code { color: var(--accent-soft); }

@media (max-width: 520px) {
  .lang-trigger { height: 34px; padding: 0 8px; gap: 5px; }
  .lang-menu { min-width: 150px; }
}

@media (prefers-reduced-motion: reduce) {
  .lang-menu, .lang-trigger .lang-chev { transition: opacity 0.15s ease; }
}