/* Reset básico */
* {
    box-sizing: border-box;
}

body {
    background-color: #121212;
    margin: 0;
    padding: 20px 10px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #FFFFFF;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

h1 {
    color: #BB86FC;
    margin-bottom: 10px;
    font-weight: 900;
    font-size: 3rem;
    text-align: center;
}

/* Menu de dificuldade e botões */
#menu-dificuldade {
    margin-bottom: 15px;
    text-align: center;
    color: #FFFFFF;
}

#menu-dificuldade label,
#menu-dificuldade select,
#menu-dificuldade button,
#menu-dificuldade input[type="checkbox"]  {
    font-size: 1rem;
    margin: 0 5px;
    padding: 5px 10px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    background-color: #3700B3;
    color: #FFFFFF;
    transition: background-color 0.3s ease;
}

#menu-dificuldade input[type="checkbox"] {
      background-color: transparent;
      cursor: pointer;
      width: auto;
      padding: 0;
      margin-left: 10px;
      vertical-align: middle;
      border: none;
    }

#menu-dificuldade button:hover,
#menu-dificuldade select:hover {
    background-color: #6200EE;
}

/* Botão modo alto contraste */
#modo-ac-container {
    margin-bottom: 15px;
}

#modo-ac-container button {
    background-color: #3700B3;
    color: #FFFFFF;
    border: none;
    padding: 7px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    transition: background-color 0.3s ease;
}

#modo-ac-container button:hover {
    background-color: #6200EE;
}

/* Info do jogo */
#info-jogo {
    background-color: #03DAC6;
    color: #121212;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-weight: 700;
    user-select: none;
    width: 100%;
    max-width: 480px;
    display: none;
    text-align: center;
}

#info-jogo p {
    margin: 5px 0;
}

/* Cartas */
#cartas_do_jogo {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 480px;
    width: 100%;
    user-select: none;
}

.carta {
    background-color: #3700B3;
    border: 3px solid #03DAC6;
    border-radius: 12px;
    font-size: 2.2rem;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    width: 80px;
    transition: transform 0.3s ease, background-color 0.3s ease;
    color: #FFFFFF;
    user-select: none;
    perspective: 1000px;
    position: relative;
}

.carta:hover {
    background-color: #6200EE;
    transform: scale(1.1);
    border-color: #BB86FC;
}

.carta.revelada {
    background-color: #03DAC6;
    color: #121212;
    cursor: default;
    transform: scale(1.05);
    border-color: #BB86FC;
}

.carta.encontrada {
    background-color: #BB86FC;
    color: #121212;
    cursor: default;
    border-color: #3700B3;
    transform: scale(1.1);
}

/* Mensagem de vitória */
#vitoria {
    font-weight: bold;
    color: #cf3dff;
    margin-top: 15px;
    font-size: 1.5rem;
}

/* Modo Alto Contraste */
.alto-contraste body,
.alto-contraste {
    background-color: #000000 !important;
    color: #FFD600 !important;
}

.alto-contraste #menu-dificuldade label,
.alto-contraste #menu-dificuldade select,
.alto-contraste #menu-dificuldade button,
.alto-contraste #modo-ac-container button {
    background-color: #000000 !important;
    color: #FFD600 !important;
    border: 2px solid #FFD600 !important;
}

.alto-contraste #info-jogo {
    background-color: #000000 !important;
    color: #FFD600 !important;
    border: 2px solid #FFD600 !important;
}

.alto-contraste .carta {
    background-color: #000000 !important;
    border-color: #FFD600 !important;
    color: #FFD600 !important;
}

.alto-contraste .carta:hover {
    background-color: #FFD600 !important;
    color: #000000 !important;
    border-color: #FFD600 !important;
    transform: scale(1.1) !important;
}

.alto-contraste h1 {
    color: #FFD600 !important;
}

/* Responsivo simples */
@media (max-width: 500px) {
    #cartas_do_jogo {
        grid-template-columns: repeat(3, 1fr);
    }

    .carta {
        height: 70px;
        width: 70px;
        font-size: 1.8rem;
    }
}