* {
  box-sizing: border-box;
}

:root {
  --azul-principal: #0d6efd;
  --azul-escuro: #0b1f4d;
  --azul-claro: #e7f1ff;
  --roxo: #6f42c1;
  --laranja: #ff7a00;
  --vermelho: #ff4d00;
  --amarelo: #ffc107;
  --branco: #ffffff;
  --cinza-texto: #5f6b7a;
  --cinza-claro: #f8f9fa;
  --sombra-card: 0 8px 20px rgba(0, 0, 0, 0.15);
  --sombra-suave: 0 4px 12px rgba(0, 0, 0, 0.12);
}

html,
body {
  min-height: 100%;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--azul-escuro);
  background:
    radial-gradient(
      circle at top left,
      rgba(13, 110, 253, 0.18),
      transparent 30%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(255, 193, 7, 0.22),
      transparent 35%
    ),
    linear-gradient(135deg, #f8fbff 0%, #e7f1ff 45%, #ffffff 100%);
}

/* Área principal */
main.container {
  max-width: 1100px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Título */
h1 {
  color: var(--azul-principal);
  font-size: clamp(2rem, 4vw, 4rem);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 4px 8px rgba(13, 110, 253, 0.18);
}

section.text-center p {
  color: var(--cinza-texto);
  font-size: clamp(1rem, 1.5vw, 1.3rem);
}

/* Painel dos jogadores */
.player-card {
  background: rgba(255, 255, 255, 0.95);
  border: 3px solid transparent;
  border-radius: 18px !important;
  transition: 0.3s ease;
  box-shadow: var(--sombra-suave);
}

.player-card h2 {
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  font-weight: 800;
  text-transform: uppercase;
}

.player-card p {
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  font-weight: 700;
}

.player-card span {
  color: var(--azul-principal);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 900;
}

/* Jogador ativo */
.active-player {
  border-color: var(--amarelo);
  background: linear-gradient(135deg, #ffffff, #fff7d6);
  transform: scale(1.03);
  box-shadow: 0 0 22px rgba(255, 193, 7, 0.65);
}

.active-player h2::before {
  content: "🎮 ";
}

/* Mensagem do jogo */
#gameMessage {
  font-size: clamp(1rem, 1.6vw, 1.4rem);
  font-weight: 700;
  padding: 12px 26px;
  border-radius: 999px;
  border: none;
  color: var(--branco);
  background: linear-gradient(135deg, var(--azul-principal), var(--roxo));
  box-shadow: var(--sombra-suave);
}

/* Botões */
#restartButton,
#playAgainButton {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  font-weight: 800;
  padding: 12px 26px;
  border-radius: 999px;
  border: none;
  color: #ffffff;
  background: linear-gradient(135deg, var(--laranja), var(--vermelho));
  box-shadow: var(--sombra-suave);
  transition: 0.25s ease;
}

#restartButton:hover,
#playAgainButton:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.08);
}

/* Tabuleiro */
.game-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 1.5vw, 18px);
  width: min(92vw, 720px);
  margin: 0 auto;
  padding: clamp(12px, 2vw, 22px);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(8px);
  box-shadow: var(--sombra-card);
}

/* Carta */
.memory-card {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  perspective: 1000px;
}

.memory-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease;
  transform-style: preserve-3d;
}

/* Carta virada ou encontrada */
.memory-card.flip .memory-card-inner,
.memory-card.matched .memory-card-inner {
  transform: rotateY(180deg);
}

/* Hover apenas nas cartas ainda não encontradas */
.memory-card:not(.matched):hover .memory-card-inner {
  transform: scale(1.04);
}

.memory-card.flip:not(.matched):hover .memory-card-inner {
  transform: rotateY(180deg);
}

.memory-card.matched {
  cursor: default;
}

/* Faces da carta */
.card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: clamp(12px, 1.5vw, 18px);
  overflow: hidden;
  box-shadow: var(--sombra-card);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Frente da carta */
.card-front {
  background:
    radial-gradient(
      circle at 30% 20%,
      rgba(255, 255, 255, 0.55),
      transparent 24%
    ),
    linear-gradient(135deg, var(--azul-principal), var(--roxo));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid rgba(255, 255, 255, 0.65);
}

.card-front span {
  color: var(--branco);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
}

/* Verso da carta */
.card-back {
  background: linear-gradient(135deg, #ffffff, #e7f1ff);
  transform: rotateY(180deg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(8px, 1.4vw, 14px);
  border: 4px solid rgba(13, 110, 253, 0.25);
}

.card-back img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Par encontrado pelo Player 1 */
.memory-card.matched-player-1 .card-back {
  border: 6px solid #0d6efd;
  box-shadow:
    0 0 18px rgba(13, 110, 253, 0.8),
    inset 0 0 12px rgba(13, 110, 253, 0.2);
}

/* Par encontrado pelo Player 2 */
.memory-card.matched-player-2 .card-back {
  border: 6px solid #ff4d00;
  box-shadow:
    0 0 18px rgba(255, 77, 0, 0.8),
    inset 0 0 12px rgba(255, 77, 0, 0.2);
}

/* Identificação visual do Player 1 */
.memory-card.matched-player-1 .card-back::after {
  content: "P1";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #0d6efd;
  color: #ffffff;
  font-weight: 900;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(13, 110, 253, 0.45);
}

/* Identificação visual do Player 2 */
.memory-card.matched-player-2 .card-back::after {
  content: "P2";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #ff4d00;
  color: #ffffff;
  font-weight: 900;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(255, 77, 0, 0.45);
}

/* Modal */
.modal-content {
  border-radius: 24px;
  border: none;
  box-shadow: var(--sombra-card);
}

.modal-header {
  background: linear-gradient(135deg, var(--azul-principal), var(--roxo));
  color: white;
  border-radius: 24px 24px 0 0;
}

.modal-title {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  font-weight: 900;
}

.modal-body h2 {
  color: var(--azul-principal);
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  font-weight: 900;
}

.modal-body p {
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  font-weight: 700;
}

/* Telas grandes padrão */
@media (min-width: 1200px) {
  .game-board {
    width: 720px;
  }
}

/* Tablets */
@media (max-width: 992px) {
  main.container {
    justify-content: flex-start;
    padding-top: 32px;
    padding-bottom: 32px;
  }

  .game-board {
    width: min(94vw, 680px);
    gap: 12px;
    padding: 16px;
  }

  .active-player {
    transform: scale(1.02);
  }
}

/* Celulares */
@media (max-width: 576px) {
  main.container {
    padding-left: 12px;
    padding-right: 12px;
    justify-content: flex-start;
  }

  h1 {
    font-size: 2rem;
  }

  section.text-center p {
    font-size: 0.95rem;
  }

  .player-card {
    border-radius: 16px !important;
  }

  #gameMessage {
    width: 100%;
    font-size: 0.95rem;
    padding: 10px 14px;
  }

  #restartButton {
    width: 100%;
    padding: 10px;
  }

  .game-board {
    width: 100%;
    gap: 8px;
    padding: 10px;
    border-radius: 18px;
  }

  .card-face {
    border-radius: 12px;
  }

  .card-front {
    border-width: 3px;
  }

  .card-front span {
    font-size: 1.8rem;
  }

  .card-back {
    padding: 6px;
    border-width: 3px;
  }

  .memory-card.matched-player-1 .card-back,
  .memory-card.matched-player-2 .card-back {
    border-width: 4px;
  }

  .memory-card.matched-player-1 .card-back::after,
  .memory-card.matched-player-2 .card-back::after {
    width: 28px;
    height: 28px;
    font-size: 0.7rem;
    top: 5px;
    right: 5px;
  }

  @media (min-width: 1200px) and (orientation: portrait) {
    main.container {
      max-width: 1500px;
    }

    .game-board {
      width: min(90vw, 1300px);
      gap: 28px;
      padding: 36px;
    }

    h1 {
      font-size: 5rem;
    }

    #gameMessage {
      font-size: 2rem;
    }
  }
  /* =========================================================
   AJUSTE FORTE PARA TV VERTICAL - 2160x3840
   Para usar SEM zoom no navegador
   ========================================================= */
  @media (min-width: 1800px) and (orientation: portrait) {
    body {
      overflow: hidden;
    }

    main.container {
      max-width: 2100px;
      min-height: 100vh;
      padding-top: 90px !important;
      padding-bottom: 90px !important;
      justify-content: center;
    }

    /* Título */
    h1 {
      font-size: 11rem;
      margin-bottom: 30px;
      letter-spacing: 5px;
    }

    section.text-center p {
      font-size: 4rem;
      margin-bottom: 45px;
    }

    /* Área dos jogadores */
    .row.g-3 {
      margin-bottom: 55px !important;
    }

    .player-card {
      padding: 65px 45px !important;
      border-radius: 55px !important;
      border-width: 10px;
    }

    .player-card h2 {
      font-size: 5.5rem;
      margin-bottom: 25px;
    }

    .player-card p {
      font-size: 4.3rem;
    }

    .player-card span {
      font-size: 5.4rem;
    }

    .active-player {
      transform: scale(1.05);
      box-shadow: 0 0 75px rgba(255, 193, 7, 0.95);
    }

    /* Mensagem do jogo */
    #gameMessage {
      font-size: 4.5rem;
      padding: 45px 100px;
      margin-bottom: 45px;
      border-radius: 999px;
    }

    /* Botões */
    #restartButton,
    #playAgainButton {
      font-size: 4rem;
      padding: 40px 95px;
      border-radius: 999px;
    }

    /* Tabuleiro */
    .game-board {
      width: 2050px;
      max-width: 96vw;
      gap: 48px;
      padding: 75px;
      border-radius: 85px;
    }

    /* Cartas */
    .card-face {
      border-radius: 52px;
    }

    .card-front {
      border-width: 10px;
    }

    .card-front span {
      font-size: 12rem;
    }

    .card-back {
      padding: 42px;
      border-width: 10px;
    }

    .card-back img {
      width: 100%;
      height: 100%;
      object-fit: contain;
    }

    /* Bordas dos pares encontrados */
    .memory-card.matched-player-1 .card-back {
      border-width: 18px;
      box-shadow:
        0 0 60px rgba(13, 110, 253, 0.95),
        inset 0 0 35px rgba(13, 110, 253, 0.25);
    }

    .memory-card.matched-player-2 .card-back {
      border-width: 18px;
      box-shadow:
        0 0 60px rgba(255, 77, 0, 0.95),
        inset 0 0 35px rgba(255, 77, 0, 0.25);
    }

    /* Marcador P1 / P2 */
    .memory-card.matched-player-1 .card-back::after,
    .memory-card.matched-player-2 .card-back::after {
      width: 140px;
      height: 140px;
      top: 34px;
      right: 34px;
      font-size: 3.5rem;
    }

    /* Modal final */
    .modal-dialog {
      max-width: 1300px;
    }

    .modal-content {
      border-radius: 60px;
    }

    .modal-header {
      border-radius: 60px 60px 0 0;
      padding: 55px;
    }

    .modal-title {
      font-size: 5rem;
    }

    .modal-body {
      padding: 80px;
    }

    .modal-body h2 {
      font-size: 5rem;
    }

    .modal-body p {
      font-size: 4rem;
    }

    .modal-footer {
      padding: 55px;
    }
  }
}