body {
    background-color: #f0f2f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
}

.container { text-align: center; }

.game-info {
    margin-bottom: 20px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.board {
    display: grid;
    grid-template-columns: repeat(10, 30px);
    grid-template-rows: repeat(10, 30px);
    gap: 2px;
    background-color: #bbb;
    border: 5px solid #888;
    user-select: none;
}

.cell {
    width: 30px;
    height: 30px;
    background-color: #ddd;
    border: 2px outset #eee;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    cursor: pointer;
}

.cell.revealed {
    background-color: #eee;
    border: 1px solid #ccc;
}

.cell.mine { background-color: #ff4d4d; }
.cell.flag { background-color: #ffd700; }