body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: #f0f0f0;
}

.game-container {
    text-align: center;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

h1 {
    margin-bottom: 20px;
    color: #333;
}

.game-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 10px;
    background-color: #e0e0e0;
    border-radius: 5px;
}

.mine-counter, .timer {
    font-weight: bold;
    font-size: 18px;
}

#reset-btn {
    padding: 8px 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

#reset-btn:hover {
    background-color: #45a049;
}

.game-board {
    display: grid;
    grid-template-columns: repeat(10, 30px);
    grid-template-rows: repeat(10, 30px);
    gap: 1px;
    margin: 0 auto;
    border: 2px solid #333;
    background-color: #333;
}

.cell {
    width: 30px;
    height: 30px;
    background-color: #ddd;
    border: 1px solid #bbb;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 14px;
    user-select: none;
}

.cell:hover {
    background-color: #ccc;
}

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

.cell.mine {
    background-color: #ff0000;
}

.cell.flagged {
    background-color: #ffeb3b;
}

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

.cell.mine.revealed::after {
    content: "💣";
}

.cell.revealed.number-1 { color: #0000ff; }
.cell.revealed.number-2 { color: #008000; }
.cell.revealed.number-3 { color: #ff0000; }
.cell.revealed.number-4 { color: #000080; }
.cell.revealed.number-5 { color: #800000; }
.cell.revealed.number-6 { color: #008080; }
.cell.revealed.number-7 { color: #000000; }
.cell.revealed.number-8 { color: #808080; }