/* Loaded after rift.css. Shapes, not colored square containers, identify gems. */
.piece {
  padding: 2px;
  border-radius: 0;
}
.piece .tile-face,
.piece.letter .tile-face,
.piece.blocked .tile-face,
.piece.special-bomb .tile-face,
.piece.special-wild .tile-face {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  overflow: visible;
  color: var(--color);
  animation: none;
  filter: none;
  transform-origin: center;
}
.piece .tile-face::before,
.piece .tile-face::after,
.piece.special-row .tile-face::after,
.piece.special-col .tile-face::after {
  content: none;
  display: none;
}
.piece .tile-face > svg,
.piece.letter .tile-face > svg,
.piece.special-wild .tile-face > svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  filter: drop-shadow(0 2px 1px #080f23c4);
  animation: none;
  pointer-events: none;
}
.piece.blocked .tile-face > svg {
  filter: drop-shadow(0 2px 1px #070d22b3);
}
.piece .tile-face .layer-mark {
  display: none;
}
.piece:hover .tile-face {
  filter: brightness(1.1);
}
.piece.selected .tile-face,
.piece.hinted .tile-face {
  box-shadow: none;
  transform: scale(0.94);
  filter: drop-shadow(0 0 2px #fff7d5) drop-shadow(0 0 5px #efdd9d9c);
}
.piece.selected::before,
.piece.hinted::before,
.piece.match-preview::before {
  content: "";
  position: absolute;
  inset: 1px;
  border: 2px solid #fff1ac;
  border-radius: 6px;
  background: #fff2b80a;
  pointer-events: none;
}
.piece.match-preview::before {
  border-color: #a2e7ff;
}
.piece:focus-visible {
  outline: 2px solid #f9efcf;
  outline-offset: -2px;
  border-radius: 6px;
}
.piece.special-row .tile-face > svg,
.piece.special-col .tile-face > svg,
.piece.special-bomb .tile-face > svg {
  filter: drop-shadow(0 2px 1px #080f23c4) drop-shadow(0 0 2px #f0db8d55);
}
.piece.special-wild .tile-face > svg {
  filter: drop-shadow(0 2px 1px #080f23c4) drop-shadow(0 0 3px #c3a5ee66);
}
.piece.letter .tile-face > svg {
  filter: drop-shadow(0 2px 1px #080f23c4) drop-shadow(0 0 3px #eddbb85c);
}
.piece.hinted .tile-face {
  animation: gem-hint 1s infinite alternate;
}
.piece.new-special .tile-face {
  animation: special-birth 0.75s;
}
.piece.clearing .tile-face {
  animation: gem-clear 0.24s forwards;
}
/* Invalid swaps animate the parent .piece once in rift.css, not both layers. */
@media (prefers-reduced-motion: reduce) {
  .piece .tile-face,
  .piece .tile-face > svg {
    animation: none !important;
    transition: none !important;
  }
  .piece.clearing .tile-face {
    opacity: 0;
  }
}