.puzzle-piece {
  width: var(--piece);
  height: calc(var(--piece) * .7);
  padding: 0;
  border: 0;
  overflow: visible;
  background: transparent;
  filter: drop-shadow(0 7px 2px rgba(23, 23, 20, .2));
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  animation: none;
  transition: transform .18s ease, filter .18s ease;
}

.piece-small {
  --piece: 150px;
}

.piece-medium {
  --piece: 190px;
}

.piece-large {
  --piece: 230px;
}

.puzzle-piece::before,
.puzzle-piece::after {
  display: none !important;
}

.piece-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.piece-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--paper);
}

.piece-content img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.symbol-content {
  padding: 13px 32px 13px 31px;
}

.image-content {
  padding: 0;
}

.image-content img {
  position: absolute;
  left: 45px;
  top: 26px;
  width: 78px;
  height: 48px;
  object-fit: contain;
}

.piece-outline {
  fill: none;
  stroke: var(--ink);
  stroke-width: 2.4;
  vector-effect: non-scaling-stroke;
  stroke-linejoin: round;
}

.puzzle-piece:hover,
.puzzle-piece.selected {
  background: transparent;
  transform: none;
}

.puzzle-piece:hover .piece-outline,
.puzzle-piece.selected .piece-outline {
  stroke-width: 3.5;
}

.puzzle-piece.selected .symbol-content {
  background: var(--acid);
}

.puzzle-piece.dragging {
  animation: none;
  transition: none;
  cursor: grabbing;
  filter: drop-shadow(0 15px 8px rgba(23, 23, 20, .28));
  transform: scale(1.035);
}

.piece-content .symbol-word {
  width: 100%;
  max-width: none;
  min-width: 0;
  gap: 0;
}

.piece-content .symbol-word svg {
  width: min(15px, calc(78px / var(--letter-count)));
  height: min(15px, calc(78px / var(--letter-count)));
  flex: 0 0 auto;
}

.piece-content .image-label {
  right: 14px;
  bottom: 9px;
}

.match-pair {
  gap: 0;
}

.floating-board {
  bottom: 0;
}

.matched-tray {
  display: none;
}

.board-pair {
  position: absolute;
  width: calc(var(--piece) * 1.587);
  height: calc(var(--piece) * .7);
  cursor: grab;
  touch-action: none;
  user-select: none;
  filter: drop-shadow(0 8px 3px rgba(23, 23, 20, .2));
}

.board-pair .puzzle-piece {
  position: absolute;
  top: 0 !important;
  width: var(--piece);
  height: calc(var(--piece) * .7);
  animation: none;
  transition: none;
  filter: none;
  cursor: inherit;
}

.board-pair .symbol-piece {
  left: 0 !important;
}

.board-pair .image-piece {
  left: calc(var(--piece) * .653) !important;
  margin: 0;
}

.board-pair .piece-outline {
  display: none;
}

.pair-outline {
  position: absolute;
  inset: 0;
  z-index: 4;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2.4;
  vector-effect: non-scaling-stroke;
  stroke-linejoin: round;
}

.board-pair.dragging-pair {
  cursor: grabbing;
  filter: drop-shadow(0 16px 8px rgba(23, 23, 20, .28));
  transform: scale(1.025);
}

.quiz-complete {
  inset: auto 24px 24px auto;
  width: min(360px, calc(100% - 48px));
  padding: 25px;
  border: 1px solid var(--ink);
  place-content: initial;
}

.quiz-complete h1 {
  font-size: 48px;
  margin: 12px 0 24px;
}

@media (max-width: 700px) {
  .piece-small {
    --piece: 126px;
  }

  .piece-medium {
    --piece: 150px;
  }

  .piece-large {
    --piece: 180px;
  }

  .puzzle-piece {
    height: calc(var(--piece) * .72);
  }

  .quiz-complete {
    right: 12px;
    bottom: 12px;
    width: calc(100% - 24px);
  }
}