#game_status {
    font-size: 16px;
    margin-bottom: 10px;
}

#game_controls {
    margin-bottom: 15px;
}

#game_controls .btn {
    margin-right: 8px;
    margin-bottom: 8px;
}

#game_wrapper {
    max-width: 820px;
}

#game {
    display: grid;
    gap: 10px;
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    padding: 10px;
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.mg-card {
    position: relative;
    padding-bottom: 100%;
    cursor: pointer;
    perspective: 1000px;
}

.mg-card img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    backface-visibility: hidden;
    border-radius: 6px;
    border: 1px solid #ccc;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.mg-card .mg-card-back {
    transform: rotateY(0deg);
    background: #2c3e50;
}

.mg-card .mg-card-front {
    transform: rotateY(180deg);
}

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

.mg-card.flipped .mg-card-front {
    transform: rotateY(360deg);
}

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

#mg-message {
    margin-top: 10px;
    padding: 8px 12px;
    background: #dff0d8;
    color: #3c763d;
    border: 1px solid #d6e9c6;
    border-radius: 4px;
    display: none;
}

#mg-message.visible {
    display: block;
}