/* Reset e configurações básicas */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #2c3e50, #34495e);
  color: #ecf0f1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  position: relative;
}

/* Tela Inicial: Centraliza título e botões */
#initial-screen {
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

#main-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  transition: transform 0.5s ease, font-size 0.5s ease;
}

/* Quando o jogo inicia, move o título para o topo */
#main-title.top {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2em;
}

/* Botões iniciais e do jogo */
.initial-buttons,
.game-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 20px;
}

button {
  padding: 12px 25px;
  background: linear-gradient(45deg, #e67e22, #d35400);
  border: none;
  border-radius: 50px;
  font-size: 1em;
  color: #fff;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.3s ease;
  box-shadow: 0 4px 6px rgba(0,0,0,0.3);
  outline: none;
}

button:hover {
  transform: scale(1.05);
  background: linear-gradient(45deg, #d35400, #e67e22);
}

/* Botão de fechar diferenciado */
#close-btn {
  background: linear-gradient(45deg, #d34300, #e62222);
}

/* Countdown Overlay */
#countdown-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(44, 62, 80, 0.95);
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 150;
}

#countdown-overlay h2 {
  font-size: 2em;
  margin-bottom: 10px;
}

#countdown-timer {
  font-size: 4em;
}

/* Container do jogo (oculto inicialmente) */
#game-container {
  width: 100%;
  padding-top: 40px; /* Espaço para o título fixo no topo */
  display: none;
}

/* Info Bar */
.info-bar {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  font-size: 1.1em;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.5s;
}

.info-bar.active {
  opacity: 1;
}

.info-bar > div {
  background-color: rgba(0, 0, 0, 0.35);
  padding: 10px 15px;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.info-bar > div:hover {
  background-color: rgba(0, 0, 0, 0.6);
}

/* Grid do Tabuleiro */
#game-board {
  display: grid;
  grid-template-columns: repeat(4, 90px);
  grid-gap: 12px;
  justify-content: center;
  margin-bottom: 20px;
  pointer-events: none;
  opacity: 0.5;
  transition: opacity 0.5s, pointer-events 0.5s;
}

#game-board.active {
  pointer-events: all;
  opacity: 1;
}

/* Cartas com efeito flip 3D */
.card {
  width: 90px;
  height: 90px;
  perspective: 1000px;
}

.card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s ease;
  cursor: pointer;
  border-radius: 8px;
}

.card-inner.flip {
  transform: rotateY(180deg);
  cursor: default;
}

.card-face {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 8px;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2em;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
  transition: transform 0.3s ease;
}

.card-back {
  background-color: #ecf0f1;
  color: #2c3e50;
}

.card-front {
  background-color: #e74c3c;
  transform: rotateY(180deg);
}

.card:hover .card-face:not(.card-front) {
  transform: scale(1.05);
}

/* Overlay de vitória */
#victory-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(44, 62, 80, 0.95);
  display: none;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  text-align: center;
  z-index: 100;
  padding: 20px;
  transition: opacity 0.5s ease;
}

#victory-overlay.visible {
  display: flex;
  animation: fadeIn 0.5s forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

#victory-overlay h2 {
  font-size: 2.5em;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

#victory-overlay p {
  font-size: 1.3em;
  margin-bottom: 30px;
}


/* Responsividade */
@media (max-width: 600px) {
  #main-title {
    font-size: 1.8em;
  }
  
  #main-title.top {
    font-size: 1.8em;
  }
  
  .info-bar {
    font-size: 1em;
  }
  
  #game-board {
    grid-template-columns: repeat(3, 80px);
    grid-gap: 10px;
  }
  
  .card {
    width: 80px;
    height: 80px;
  }
  
  .card-face {
    font-size: 1.8em;
  }
  
  button {
    padding: 10px 20px;
    font-size: 0.9em;
  }
  #countdown-overlay h2{
    font-size: 26px;
  }
}
/* Animação de pulo mais rápida e suave */
@keyframes jump {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.15) translateY(-8px);
  }
  60% {
    transform: scale(0.95) translateY(4px);
  }
  100% {
    transform: scale(1);
  }
}

/* Aplica o fundo verde e a animação à face frontal acertada */
.card-front.match {
  background-color: #2ecc71 !important;  /* Fundo verde fixo */
  animation: jump 0.3s ease-out;
}

/* Estilizando o título do jogo (dentro do container do jogo) */
#game-title {
  font-size: 2em;
  margin-bottom: 20px;
  text-align: center;
  color: #ecf0f1;
}

#game-title {
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* Quando o jogo iniciar, você pode adicionar uma classe (por exemplo, "visible") para exibir o título */
#game-title.visible {
  opacity: 1;
  transform: translateY(0);
}