body {
    font-family: Arial, sans-serif;
    text-align: center;
    background: #f2f2f2;
}

#plateau {
    width: 1000px;
    margin: 20px auto;
    display: grid;
    grid-template-columns: repeat(10, 90px);
    grid-template-rows: repeat(5, 120px);
    gap: 10px;
}

.carte {
    width: 90px;
    height: 120px;
    background: #1f4f7a;
    border-radius: 8px;
    cursor: pointer;
    overflow: hidden;
    border: 2px solid #333;
}

.carte img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

.carte.visible img {
    display: block;
}

.carte.trouvee {
    visibility: hidden;
    pointer-events: none;
}