body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #333;
    color: #eee;
}

#board {
    display: grid;
    grid-template-columns: repeat(8, 60px);
    grid-template-rows: repeat(8, 60px);
    border: 4px solid #444;
}

.square {
    width: 60px;
    height: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 40px;
    cursor: pointer;
}

.light {
    background-color: #f0d9b5;
}

.dark {
    background-color: #b58863;
}

.selected {
    background-color: #8bb28b !important; /* Important to override light/dark */
}

.possible-move {
    background-color: #90ee90;
    opacity: 0.8;
}

#status {
    font-size: 24px;
    margin-bottom: 20px;
}