@import url("arcade-games.css");

body {
  overflow: hidden;
}

.board-wrap {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 1rem 2rem;
  background: linear-gradient(180deg, var(--sky-top), var(--sky-bottom) 45%, var(--moss));
}

.match-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(0.5rem, 2.4vw, 0.9rem);
  width: min(92vw, 420px);
  perspective: 800px;
}

.tile {
  aspect-ratio: 1;
  cursor: pointer;
  touch-action: none;
  background: none;
  border: none;
  padding: 0;
}

.tile-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.35s;
  transform-style: preserve-3d;
}

.tile.flipped .tile-inner,
.tile.matched .tile-inner {
  transform: rotateY(180deg);
}

.tile-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  backface-visibility: hidden;
  border: 2px solid var(--panel-border);
}

.tile-back {
  background: linear-gradient(160deg, rgba(40, 62, 44, 0.95), rgba(18, 30, 22, 0.95));
  color: var(--crystal);
}

.tile-front {
  background: rgba(0, 0, 0, 0.28);
  transform: rotateY(180deg);
}

.tile.matched .tile-front {
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px var(--gold);
}