*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", sans-serif;
}

html {
    width: 100%;
    height: 100%;
    background-color: #262626;
    font-family: Arial, Helvetica, sans-serif;
    overflow: hidden;
}
.game {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.controls {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}
button {
    background: #BFC9D1;
    color: #25343F;
    border-radius: 5px;
    padding: 10px 20px;
    border: 0;
    cursor: pointer;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 18pt;
    font-weight: bold;
}
.disabled {
    color: #757575;
    background-color: #65636368;
}
.stats {
    color: #FFF;
    font-size: 14pt;
    font-weight: bold;
}
.board-container {
    position: relative;
}
.board,
.win {
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform .6s cubic-bezier(0.4, 0.0, 0.2, 1);
    backface-visibility: hidden;
}
.board {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(4, auto);
    grid-gap: 20px;
}
.board-container.flipped .board {
    transform: rotateY(180deg) rotateZ(50deg);
}
.board-container.flipped .win {
    transform: rotateY(0) rotateZ(0);
}
.card {
    position: relative;
    width: 100px;
    height: 100px;
    cursor: pointer;
}
.card-front,
.card-back {
    position: absolute;
    border-radius: 5px;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    
    transition: transform .6s cubic-bezier(0.4, 0.0, 0.2, 1);
    backface-visibility: hidden;
}
.card-back {
    transform: rotateY(180deg) rotateZ(50deg);
    font-size: 28pt;
    user-select: none;
    text-align: center;
    line-height: 100px;
    background: #FDF8E6;
}
.card.flipped .card-front {
    transform: rotateY(180deg) rotateZ(50deg);
}
.card.flipped .card-back {
    transform: rotateY(0) rotateZ(0);
}
.win {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-align: center;
    background: #FDF8E6;
    transform: rotateY(180deg) rotateZ(50deg);
}
.win-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 21pt;
    color: #282A3A;
}
.highlight {
    color: #9e8caa;
}


@media (max-width: 767px)  {
    html {
        background-size: cover;
    }
    .game {
        font-size: 14px;
    }

    .controls {
        flex-direction: column;
        gap: 10px;
    }

    button {
        padding: 8px 16px;
        font-size: 14pt;
    }

    .board {
        grid-template-columns: repeat(2, auto);
        grid-gap: 10px;
    }

    .card {
        width: 80px;
        height: 80px;
    }

    .card-front,
    .card-back {
        font-size: 20pt;
    }

    .win-text {
        font-size: 18pt;
        text-align: center;
    }
}
@media (max-width: 300px)  {
    html {
        background-size: cover;
    }
    .game {
        font-size: 14px;
    }

    .controls {
        flex-direction: column;
        gap: 10px;
    }

    button {
        padding: 8px 16px;
        font-size: 14pt;
    }

    .board {
        grid-template-columns: repeat(2, auto);
        grid-gap: 10px;
    }

    .card {
        width: 80px;
        height: 80px;
    }

    .card-front,
    .card-back {
        font-size: 20pt;
    }

    .win-text {
        font-size: 18pt;
        text-align: center;
    }
}