/* Subject differences stay in instruments and palettes; the frame is Physics'. */
.subject-pixel-scene {
  aspect-ratio: 640 / 256;
}
.event-stage-visual .subject-instrument {
  overflow: visible;
  touch-action: none;
  background: transparent !important;
  filter: none !important;
}
.subject-pixel-scene > svg.subject-instrument {
  width: 484px;
  height: 266px;
  max-height: none;
}
.subject-pixel-scene > svg.px-portrait {
  width: 34px;
  height: 38px;
  max-height: none;
}
.subject-instrument [data-drag],
.subject-instrument [data-chem-angle] {
  cursor: grab;
  touch-action: none;
}
.subject-instrument [data-drag]:active,
.subject-instrument [data-chem-angle]:active {
  cursor: grabbing;
}
.subject-instrument [data-drag]:focus-visible,
.subject-instrument [data-chem-angle]:focus-visible {
  outline: 3px solid var(--px-accent);
  outline-offset: 5px;
}
.sandbox-paused .event-stage-visual * {
  animation-play-state: paused !important;
}
.world.is-math-island .island-name,
.world.is-math-island .harbor-label {
  display: none;
}
.world.is-math-island .story-map-art {
}
.world.is-math-island .level-cleared .story-map-art {
  filter: none;
}
.map-stage:is([data-subject="M"], [data-subject="C"]) .chapter-heading h2 {
  color: #e7d9bd;
  font-size: 19px;
  margin: 7px 0;
  line-height: 1.7;
}
body:has(.event-modal) > .toast {
  top: auto;
  bottom: 55px;
  right: 22px;
  max-width: calc(100vw - 44px);
}
.subject-instrument .chem-ferry {
  animation: chem-crossing 5s ease-in-out infinite alternate;
}
.subject-instrument .chem-ferry.reverse {
  animation-direction: alternate-reverse;
}
.subject-instrument .chem-gas {
  animation: chem-bubble 2s ease-in-out infinite;
  animation-delay: var(--bubble-delay);
}
.subject-instrument .chem-electron-flow {
  stroke-dasharray: 10 7;
  animation: chem-flow 1s linear infinite;
}
@media (prefers-reduced-motion: reduce) {
  .subject-pixel-scene * {
    animation: none !important;
  }
}