/* Story controls live outside the simulated phone so they never inherit its
   inert layers, transitions, or hit-testing. */
#external-controls {
  --phone-half-width: min(215px, calc((100dvh - 36px) * 0.23065));
  position: fixed;
  z-index: 900;
  top: 50%;
  left: max(18px, calc(50% - var(--phone-half-width) - 32px - 220px));
  width: 220px;
  transform: translateY(-50%);
  color: #f7f7ff;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Noto Sans Thai', system-ui, sans-serif;
  pointer-events: none;
}

#external-controls .external-controls-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  border: 1px solid #434a66;
  border-radius: 16px;
  background: #171a2b;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.48);
  pointer-events: auto;
}

#external-controls button {
  min-height: 38px;
  width: 100%;
  border: 0;
  border-radius: 12px;
  color: #f7f7ff;
  cursor: pointer;
  font-size: 12px;
  font-weight: 650;
  text-align: left;
  transition: background 160ms ease, transform 160ms ease, opacity 160ms ease;
  touch-action: manipulation;
}

#external-controls button:hover {
  background: rgba(255, 255, 255, 0.13);
}

#external-controls button:active {
  transform: scale(0.97);
}

#external-controls button:focus-visible {
  outline: 2px solid #8bbcff;
  outline-offset: 2px;
}

#external-controls .external-controls-action {
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.08);
}

#external-controls .external-controls-action[data-external-action='upgrade'] {
  color: #fff;
  background: linear-gradient(135deg, #6d5dfc, #9875ff);
}

#external-controls .external-controls-action[data-external-action='upgrade']:hover {
  background: linear-gradient(135deg, #7a6bff, #a984ff);
}

#external-controls .external-controls-episode {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 10px 0 12px;
  background: rgba(255, 255, 255, 0.055);
}

#external-controls .external-controls-episode small {
  flex: 0 0 auto;
  color: #aeb2ca;
  font-size: 9px;
  font-weight: 600;
}

#external-controls .external-controls-episode.is-current {
  background: rgba(111, 159, 255, 0.2);
  box-shadow: inset 0 0 0 1px rgba(139, 188, 255, 0.4);
}

#external-controls .external-controls-episode.is-locked small {
  color: #f5c8d6;
}

#external-controls .external-controls-episode.is-unavailable {
  cursor: not-allowed;
  opacity: 0.58;
}

#external-controls .external-controls-toggle {
  display: none;
  pointer-events: auto;
  width: 48px;
  height: 48px;
  border: 1px solid #555c78;
  border-radius: 50%;
  background: #171a2b;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 21px;
  line-height: 1;
  text-align: center;
}

#external-controls .external-controls-toggle span {
  display: block;
  color: #fff;
  transform: translateY(-1px);
}

/* A side menu keeps the phone clear on narrow screens. The toggle is centered
   vertically on the viewport instead of being anchored to the bottom. */
@media (max-width: 960px) {
  #external-controls {
    top: 50%;
    right: max(12px, env(safe-area-inset-right));
    left: auto;
    width: auto;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  #external-controls .external-controls-toggle {
    display: grid;
    place-items: center;
  }

  #external-controls .external-controls-list {
    display: none;
    position: absolute;
    top: 50%;
    right: calc(100% + 10px);
    width: min(220px, calc(100vw - 84px));
    max-height: calc(100dvh - 32px);
    overflow-y: auto;
    overscroll-behavior: contain;
    transform: translateY(-50%);
  }

  #external-controls.is-open .external-controls-list {
    display: flex;
    animation: external-controls-in 180ms ease-out both;
  }

  #external-controls.is-open .external-controls-toggle {
    background: #343952;
  }
}

@keyframes external-controls-in {
  from { opacity: 0; transform: translateY(-50%) translateX(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(-50%) translateX(0) scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  #external-controls .external-controls-list { animation: none; }
  #external-controls button { transition: none; }
}