body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

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

h1 {
    color: #333;
}

.game-info {
    margin: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#status {
    font-size: 18px;
    font-weight: bold;
}

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

#restart:hover {
    background-color: #45a049;
}

.board-container {
    margin: 0 auto;
    width: fit-content;
}

#board {
    background-color: #e8c887;
    border: 2px solid #333;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.win-message {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px;
    border-radius: 5px;
    font-size: 24px;
    display: none;
    z-index: 1000;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    body {
        padding: 10px;
        min-height: 100vh;
    }

    .container {
        padding: 15px;
        width: 100%;
        max-width: 100%;
    }

    h1 {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .game-info {
        flex-direction: column;
        gap: 10px;
        margin: 15px 0;
    }

    #status {
        font-size: 16px;
    }

    #restart {
        padding: 10px 20px;
        font-size: 14px;
        width: 100%;
        max-width: 200px;
    }

    .board-container {
        width: 100%;
        overflow-x: auto;
    }
}

@media screen and (max-width: 480px) {
    .container {
        padding: 10px;
    }

    h1 {
        font-size: 20px;
    }

    .game-info {
        margin: 10px 0;
    }

    #status {
        font-size: 14px;
    }

    #restart {
        padding: 12px 16px;
        font-size: 14px;
    }

    .win-message {
        font-size: 18px;
        padding: 15px;
        width: 80%;
        max-width: 300px;
    }
}

/* 防止移动端触摸延迟 */
#restart {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    outline: none;
}

#restart:active {
    background-color: #3d8b40;
    transform: scale(0.98);
}