/* 2048 — CSS escopado */

.r48-jogo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.r48-info {
  display: flex;
  gap: 1.5rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: var(--texto-sec);
}

.r48-info b {
  color: var(--texto);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
}

.r48-grade {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  background: var(--steel);
  padding: 0.5rem;
  border-radius: 0.75rem;
  max-width: 18rem;
  width: 100%;
}

.r48-celula {
  aspect-ratio: 1;
  background: var(--charcoal);
  border-radius: 0.5rem;
  display: grid;
  place-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--texto);
  transition: all 0.15s;
}

.r48-celula[data-v="2"]    { background: #eee4da; color: #776e65; }
.r48-celula[data-v="4"]    { background: #ede0c8; color: #776e65; }
.r48-celula[data-v="8"]    { background: #f2b179; color: #f9f6f2; }
.r48-celula[data-v="16"]   { background: #f59563; color: #f9f6f2; }
.r48-celula[data-v="32"]   { background: #f67c5f; color: #f9f6f2; }
.r48-celula[data-v="64"]   { background: #f65e3b; color: #f9f6f2; }
.r48-celula[data-v="128"]  { background: #edcf72; color: #f9f6f2; font-size: 1.2rem; }
.r48-celula[data-v="256"]  { background: #edcc61; color: #f9f6f2; font-size: 1.2rem; }
.r48-celula[data-v="512"]  { background: #edc850; color: #f9f6f2; font-size: 1.2rem; }
.r48-celula[data-v="1024"] { background: #edc53f; color: #f9f6f2; font-size: 1rem; }
.r48-celula[data-v="2048"] { background: #edc22e; color: #f9f6f2; font-size: 1rem; }

.r48-pop {
  animation: r48-pop 0.2s ease-out;
}

@keyframes r48-pop {
  0%   { transform: scale(0.7); }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.r48-botao {
  padding: 0.75rem 2rem;
  background: var(--yellow);
  color: var(--pitch);
  border: none;
  border-radius: 3rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
}

.r48-botao:hover,
.r48-botao:focus-visible {
  filter: brightness(1.1);
  transform: translateY(-2px);
  outline: none;
}

.r48-botao:active {
  transform: scale(0.95);
}

@media (max-width: 400px) {
  .r48-celula { font-size: 1.2rem; }
  .r48-celula[data-v="128"],
  .r48-celula[data-v="256"],
  .r48-celula[data-v="512"] { font-size: 1rem; }
  .r48-celula[data-v="1024"],
  .r48-celula[data-v="2048"] { font-size: 0.85rem; }
}