:root {
    --bg-color: #ffffff;
    --text-color: #333333;
    --cell-bg: #e0e0e0;
    --cell-border: #cccccc;
    --revealed-bg: #d0d0d0;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #ffffff;
    --cell-bg: #2d2d2d;
    --cell-border: #404040;
    --revealed-bg: #3d3d3d;
}

body {
    margin: 0;
    padding: 20px;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
    font-family: Arial, sans-serif;
}

.container {
    max-width: 600px;
    margin: 0 auto;
}

.controls {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

button {
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    background-color: var(--cell-bg);
    color: var(--text-color);
    cursor: pointer;
}

.board {
    display: grid;
    gap: 2px;
    background-color: var(--cell-border);
    border: 2px solid var(--cell-border);
    border-radius: 5px;
    overflow: hidden;
}

.cell {
    aspect-ratio: 1;
    background-color: var(--cell-bg);
    border: none;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-color);
}

.cell.revealed {
    background-color: var(--revealed-bg);
}

.cell.mine {
    background-color: #ff4444;
}

.game-info {
    margin-left: auto;
    display: flex;
    gap: 15px;
    align-items: center;
}

#gameStatus {
    margin-top: 20px;
    text-align: center;
    font-weight: bold;
}

@media (max-width: 600px) {
    .cell {
        font-size: 14px;
    }
    
    button {
        padding: 8px 12px;
        font-size: 14px;
    }
}