/* /jogo-da-memoria/css/memoria.css */
/* Memória – Bicho Já */

.container {
  padding: 20px;
}

.page-title {
  text-align: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

/* Tabuleiro: sempre 4 colunas */
.board {
  display: grid;
  gap: 10px;
  margin: 0 auto 20px;
  grid-template-columns: repeat(4, 1fr);
  max-width: 600px;
}

.card {
  position: relative;
  width: 100%;
  padding-top: 100%;
  perspective: 600px;
  cursor: pointer;
}

.card-inner {
  position: absolute;
  inset: 0;
  transition: transform 0.4s;
  transform-style: preserve-3d;
}

.card.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.card-back {
  background: #fff url('https://bichoja.com/jogo-da-memoria/img/bichos/back.png') center/cover no-repeat;
}

.card-front {
  transform: rotateY(180deg);
  background-size: cover;
  background-position: center;
}

/* Botão maior, estilo alinhado ao tema */
#restart-btn {
  display: block;
  margin: 20px auto 40px;
  padding: 12px 24px;
  font-size: 1rem;
  line-height: 1.2;
}