#memory-game-container {
    font-family: 'Vazir', sans-serif;
    max-width: 800px;
    margin: 20px auto;
    text-align: center;
}

#memory-game {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-top: 20px;
}

.card {
    width: 100px;
    height: 140px;
    perspective: 1000px;
    cursor: pointer;
}

.card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.6s;
}

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

.card-front, .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 10px;
}

.card-back {
    background: url('images/back.png') no-repeat center/cover;
}

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

#game-controls {
    margin-top: 20px;
}

#game-controls button {
    margin: 0 5px;
    padding: 10px 15px;
    border: none;
    background-color: #0077cc;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
}

#game-controls button:hover {
    background-color: #005fa3;
}