:root {
  --vlc-tn-bg: #000008;
  --vlc-tn-fg: #ffffff;
  --vlc-tn-gold: #bf9a17;
  --vlc-tn-size: 58px;
  --vlc-tn-sub-size: 48px;
  --vlc-tn-gap: 9px;
  --vlc-tn-sub-gap: 7px;
  --vlc-tn-edge: 14px;
  --vlc-tn-z: 9990;
}

.vlc-thumbnav,
.vlc-thumbnav * { box-sizing: border-box; }

.vlc-thumbnav { display: none; }

@media (max-width: 1180px), (hover: none) and (pointer: coarse) {
  .vlc-thumbnav {
    position: fixed;
    z-index: var(--vlc-tn-z);
    right: max(var(--vlc-tn-edge), env(safe-area-inset-right));
    top: 50dvh;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--vlc-tn-gap);
    font-family: Montserrat, Arial, sans-serif;
    line-height: 1;
  }

  .vlc-thumbnav:not(.is-open) > :not(.vlc-thumbnav__master) { display: none !important; }
}

.vlc-thumbnav__button,
.vlc-thumbnav__subbutton {
  appearance: none;
  border: 1px solid rgb(191 154 23 / 65%);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--vlc-tn-bg);
  color: var(--vlc-tn-fg);
  box-shadow: 0 12px 30px rgb(0 0 0 / 32%);
  text-decoration: none !important;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  cursor: pointer;
  padding: 0;
  margin: 0;
}

.vlc-thumbnav__button {
  width: var(--vlc-tn-size);
  height: var(--vlc-tn-size);
  min-width: var(--vlc-tn-size);
  min-height: var(--vlc-tn-size);
}

.vlc-thumbnav__subbutton {
  width: var(--vlc-tn-sub-size);
  height: var(--vlc-tn-sub-size);
  min-width: var(--vlc-tn-sub-size);
  min-height: var(--vlc-tn-sub-size);
}

.vlc-thumbnav__button--primary,
.vlc-thumbnav__master {
  background: var(--vlc-tn-gold);
  color: #000008;
  border-color: var(--vlc-tn-gold);
}

.vlc-thumbnav__button:hover,
.vlc-thumbnav__subbutton:hover { color: var(--vlc-tn-gold); }
.vlc-thumbnav__button--primary:hover,
.vlc-thumbnav__master:hover { color: #000008; filter: brightness(1.08); }

.vlc-thumbnav__button:focus-visible,
.vlc-thumbnav__subbutton:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 3px;
}

.vlc-thumbnav [aria-current="page"] { box-shadow: 0 0 0 3px #ffffff, 0 12px 30px rgb(0 0 0 / 32%); }

.vlc-thumbnav__button svg { width: 29px; height: 29px; }
.vlc-thumbnav__subbutton svg { width: 25px; height: 25px; }
.vlc-thumbnav svg {
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.vlc-thumbnav__lang-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: currentColor;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .035em;
  line-height: 1;
  pointer-events: none;
}

.vlc-thumbnav__lang-code--pair {
  flex-direction: column;
  gap: 2px;
  font-size: 10px;
  letter-spacing: .02em;
}

.vlc-thumbnav__lang-code--pair span:first-child {
  padding-bottom: 2px;
  border-bottom: 1px solid currentColor;
}

.vlc-thumbnav__group { position: relative; }
.vlc-thumbnav__submenu {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  grid-template-columns: repeat(3, var(--vlc-tn-sub-size));
  gap: var(--vlc-tn-sub-gap);
  padding: 9px;
  border: 1px solid rgb(191 154 23 / 52%);
  border-radius: 24px;
  background: rgb(0 0 8 / 88%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 18px 42px rgb(0 0 0 / 38%);
}
.vlc-thumbnav__submenu[hidden] { display: none !important; }

.vlc-thumbnav__tooltip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  max-width: min(230px, 58vw);
  padding: 7px 10px;
  border-radius: 5px;
  background: #000008;
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  white-space: nowrap;
  box-shadow: 0 6px 18px rgb(0 0 0 / 28%);
  opacity: 0;
  pointer-events: none;
  transition: opacity .12s ease;
}
.vlc-thumbnav__button:hover > .vlc-thumbnav__tooltip,
.vlc-thumbnav__button:focus-visible > .vlc-thumbnav__tooltip,
.vlc-thumbnav__subbutton:hover > .vlc-thumbnav__tooltip,
.vlc-thumbnav__subbutton:focus-visible > .vlc-thumbnav__tooltip { opacity: 1; }
.vlc-thumbnav__submenu .vlc-thumbnav__tooltip { right: calc(100% + 8px); }

@media (min-width: 430px) and (max-width: 1180px) {
  .vlc-thumbnav__submenu { grid-template-columns: repeat(4, var(--vlc-tn-sub-size)); }
}

@media (max-width: 380px), (max-height: 700px) {
  :root {
    --vlc-tn-size: 50px;
    --vlc-tn-sub-size: 44px;
    --vlc-tn-gap: 7px;
    --vlc-tn-sub-gap: 5px;
  }
  .vlc-thumbnav__button svg { width: 25px; height: 25px; }
  .vlc-thumbnav__subbutton svg { width: 23px; height: 23px; }
}

@media (prefers-reduced-motion: no-preference) {
  .vlc-thumbnav.is-open { animation: vlc-tn-in .16s ease-out; }
  @keyframes vlc-tn-in {
    from { opacity: .55; transform: translate(8px, -50%) scale(.98); }
    to { opacity: 1; transform: translate(0, -50%) scale(1); }
  }
}

@media (forced-colors: active) {
  .vlc-thumbnav__button,
  .vlc-thumbnav__subbutton,
  .vlc-thumbnav__submenu { border: 2px solid ButtonText; }
}

@media print { .vlc-thumbnav { display: none !important; } }