/* top-controls container */
.top-controls {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 1400;
  pointer-events: auto;
}

/* language dropdown */
.lang-dropdown {
  position: relative;
}
.control-btn {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--control-bg);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 6px 18px rgba(2, 6, 23, 0.25);
  cursor: pointer;
  transition: transform 160ms ease, background 200ms ease;
  padding: 0 10px;
}
.control-btn:active {
  transform: scale(0.96);
}
.lang-dropdown #btnLang {
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 0 10px;
  min-width: 58px;
}
.lang-dropdown .chev {
  opacity: 0.85;
  margin-left: 2px;
  transform-origin: center;
  transition: transform 180ms ease;
}
.lang-dropdown[aria-open="true"] .chev {
  transform: rotate(180deg);
}

/* language list */
.lang-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-1);
  border-radius: 10px;
  padding: 6px;
  min-width: 140px;
  box-shadow: 0 18px 40px rgba(2, 6, 23, 0.45);
  list-style: none;
  margin: 0;
  display: none;
  z-index: 1500;
}
.lang-list[aria-hidden="false"] {
  display: block;
}
.lang-list li {
  padding: 8px 10px;
  cursor: pointer;
  color: var(--text);
  border-radius: 8px;
}
.lang-list li:hover,
.lang-list li:focus {
  background: rgba(255, 255, 255, 0.03);
  outline: none;
}