.scratch-stage {
  position: relative;
  width: min(100%, 360px);
  aspect-ratio: 360 / 240;
  margin: 0 auto;
  background: #9fd4e8;
  touch-action: none;
  user-select: none;
}

.scratch-under {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 16px;
  z-index: 0;
}

.scratch-under .cell {
  display: grid;
  place-items: center;
  background: #e6f4ef;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: #0c5c63;
  border: 3px solid #161a1c;
}

.scratch-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  cursor: crosshair;
}

.game-panel {
  background: linear-gradient(180deg, #d7eef8 0%, #e6f4ef 55%);
}