/* ==========================================================================
   2048 — paleta clássica, a mesma do app 2048: Block Merge (ui/tema/Cores.kt)
   ========================================================================== */

.game2048 {
  --gap: clamp(8px, 2.4vw, 14px);
  --board: #4e463f;
  --cell: #615850;
  --score: #4e463f;
  --score-label: #cdc1b4;
  --overlay: rgba(28, 26, 23, 0.9);
  --overlay-text: #f9f6f2;
  max-width: 480px;
  margin: 0 auto;
}
:root[data-theme="light"] .game2048 {
  --board: #bbada0;
  --cell: #cdc1b4;
  --score: #776e65;
  --score-label: #eee4da;
  --overlay: rgba(250, 248, 239, 0.9);
  --overlay-text: #776e65;
}

.game-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.scores {
  display: flex;
  gap: 10px;
}
.score {
  min-width: 92px;
  padding: 8px 14px;
  text-align: center;
  color: #fff;
  background: var(--score);
  border-radius: 10px;
}
.score span {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--score-label);
}
.score strong {
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}

/* O tabuleiro recebe os gestos: sem rolar a página nem selecionar texto ao deslizar */
.board {
  position: relative;
  container-type: inline-size;
  aspect-ratio: 1;
  background: var(--board);
  border-radius: 12px;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  outline-offset: 4px;
}
.board-cells,
.board-tiles {
  position: absolute;
  inset: var(--gap);
}
.board-cells {
  display: grid;
  grid-template: repeat(4, 1fr) / repeat(4, 1fr);
  gap: var(--gap);
}
.board-cells i {
  background: var(--cell);
  border-radius: 8px;
}

.tile {
  --x: 0;
  --y: 0;
  --fs: 12;
  position: absolute;
  top: 0;
  left: 0;
  width: calc((100% - 3 * var(--gap)) / 4);
  height: calc((100% - 3 * var(--gap)) / 4);
  display: grid;
  place-items: center;
  border-radius: 8px;
  font-size: calc(var(--fs) * 1cqi);
  font-weight: 800;
  line-height: 1;
  color: #f9f6f2;
  background: #3c3a32;
  transform: translate(
    calc(var(--x) * (100% + var(--gap))),
    calc(var(--y) * (100% + var(--gap)))
  );
  transition: transform 110ms ease-in-out;
}
.tile.new {
  animation: aparecer 160ms ease-out 110ms backwards;
}
.tile.merged {
  z-index: 2;
  animation: juntar 180ms ease-in-out 110ms;
}
.tile.absorbed {
  z-index: 1;
}
@keyframes aparecer {
  from {
    scale: 0;
  }
}
@keyframes juntar {
  50% {
    scale: 1.14;
  }
}
.tile[data-valor="2"] {
  background: #eee4da;
  color: #776e65;
}
.tile[data-valor="4"] {
  background: #ede0c8;
  color: #776e65;
}
.tile[data-valor="8"] {
  background: #f2b179;
}
.tile[data-valor="16"] {
  background: #f59563;
}
.tile[data-valor="32"] {
  background: #f67c5f;
}
.tile[data-valor="64"] {
  background: #f65e3b;
}
.tile[data-valor="128"] {
  background: #edcf72;
}
.tile[data-valor="256"] {
  background: #edcc61;
}
.tile[data-valor="512"] {
  background: #edc850;
}
.tile[data-valor="1024"] {
  background: #edc53f;
}
.tile[data-valor="2048"] {
  background: #edc22e;
}

.board-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-content: center;
  gap: 18px;
  padding: 20px;
  text-align: center;
  color: var(--overlay-text);
  background: var(--overlay);
  border-radius: 12px;
  animation: aparecer-aviso 250ms ease-out;
}
.board-overlay p {
  margin: 0;
  font-size: clamp(22px, 6cqi, 32px);
  font-weight: 800;
  line-height: 1.25;
}
/* Logo depois do fim de jogo, um toque que já vinha do gesto não aperta um botão */
.board-overlay.locked .overlay-actions {
  pointer-events: none;
}
.overlay-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
@keyframes aparecer-aviso {
  from {
    opacity: 0;
  }
}

.game-help {
  margin: 14px 0 0;
  font-size: 13.5px;
  text-align: center;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  .tile {
    transition: none;
  }
  .tile.new,
  .tile.merged,
  .board-overlay {
    animation: none;
  }
}