body {
    font-family: sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.controls {
    margin-bottom: 20px;
}

#game-board {
    display: grid;
    border: 1px solid black;
}

.cell {
    width: 30px;
    height: 30px;
    border: 1px solid #ccc;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    font-weight: bold;
    background-color: #eee;
    cursor: pointer;
}

.cell.revealed {
    background-color: #ddd;
    cursor: default;
}

.cell.mine {
    background-color: red;
}

.cell.flagged::after {
    content: '🚩';
}

#message {
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
}

/* Number colors */
.cell.num-1 { color: blue; }
.cell.num-2 { color: green; }
.cell.num-3 { color: red; }
.cell.num-4 { color: purple; }
.cell.num-5 { color: maroon; }
.cell.num-6 { color: turquoise; }
.cell.num-7 { color: black; }
.cell.num-8 { color: gray; }