#sidekick-platformer-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 10020;
  pointer-events: none;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#sidekick-platformer-ui {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 10030;
  font-family: 'Barlow Condensed', sans-serif;
  color: var(--black);
}

.sidekick-play-btn,
.sidekick-controls button {
  border: 3px solid var(--black);
  border-radius: 6px;
  background: var(--ccyan);
  color: var(--black);
  box-shadow: 5px 5px 0 var(--black);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 400;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
}

.sidekick-play-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 9px 18px 9px 12px;
  background: var(--cpink);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
}

.sidekick-play-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--black);
}

.sidekick-btn-canvas {
  display: block;
  width: 30px;
  height: 42px;
  flex: 0 0 30px;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.sidekick-help {
  display: none;
  max-width: min(310px, calc(100vw - 36px));
  border: 3px solid var(--black);
  border-radius: 8px;
  background: var(--cyellow);
  box-shadow: 5px 5px 0 var(--black);
  padding: 12px 14px 11px;
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.25;
}

.sidekick-controls {
  display: none;
  grid-template-columns: 54px 54px 54px;
  grid-template-rows: 54px 54px;
  gap: 8px;
  touch-action: none;
  user-select: none;
}

.sidekick-controls button {
  width: 54px;
  height: 54px;
  padding: 0;
  font-size: 1.35rem;
  line-height: 1;
  background: var(--clime);
}

.sidekick-controls button:active {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--black);
}

.sidekick-up { grid-column: 2; grid-row: 1; }
.sidekick-left { grid-column: 1; grid-row: 2; }
.sidekick-down { grid-column: 2; grid-row: 2; background: var(--cyellow) !important; }
.sidekick-right { grid-column: 3; grid-row: 2; }

#sidekick-platformer-ui.is-playing .sidekick-play-btn { display: none; }
#sidekick-platformer-ui.is-playing .sidekick-help { display: block; }

@media (pointer: coarse) {
  #sidekick-platformer-ui.is-playing .sidekick-help { display: none; }
  #sidekick-platformer-ui.is-playing .sidekick-controls { display: grid; }
}

@media (max-width: 520px) {
  #sidekick-platformer-ui { left: 12px; bottom: 12px; }
  .sidekick-controls {
    grid-template-columns: 48px 48px 48px;
    grid-template-rows: 48px 48px;
    gap: 7px;
  }
  .sidekick-controls button { width: 48px; height: 48px; }
}