/* 九九乘法训练游戏样式 */

#math-game-container {
    max-width: 500px;
    margin: 20px auto;
    padding: 20px;
    border: 2px solid #ddd;
    border-radius: 10px;
    background-color: #f9f9f9;
    font-family: Arial, sans-serif;
    text-align: center;
}

#math-game-container h3 {
    color: #333;
    margin-bottom: 20px;
}

#start-game-btn {
    padding: 15px 30px;
    font-size: 18px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

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

/* 游戏进行中的样式 */
#timer, #question-counter {
    background-color: #e7f3ff;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    font-weight: bold;
}

#timer {
    color: #0066cc;
}

#question-counter {
    color: #666;
}

#question-display {
    background-color: white;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
    border: 2px solid #ddd;
    font-size: 24px;
    font-weight: bold;
    color: #333;
}

    
#question-display>h2 {
    margin: 0;
}

#answer-input {
    margin: 20px 0;
}

##answer-field-display {
    width: 100%;
    max-width: 200px;
    padding: 15px;
    font-size: 20px;
    text-align: center;
    border: 2px solid #ddd;
    border-radius: 5px;
    background-color: #f8f8f8;
    min-height: 20px;
    display: inline-block;
    cursor: default;
    user-select: none;
}

##answer-field-display:focus {
    outline: none;
    border-color: #4CAF50;
    background-color: white;
}

/* 数字键盘样式 */
#number-keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    max-width: 300px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.key-btn {
    padding: 15px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.2s;
    min-height: 76px;
}

.key-btn:hover {
}

.key-btn:active {
    transform: translateY(1px);
}

.key-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

#clear-btn {
    background-color: #ff9800;
    color: white;
}

#clear-btn:hover {
    background-color: #e68900;
}

#submit-btn {
    background-color: #4CAF50;
    color: white;
}

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

#loading {
    padding: 10px;
    color: #666;
    font-style: italic;
}

/* 游戏结果样式 */
#game-result {
    text-align: center;
}

.final-stats {
    background-color: #e8f5e8;
    padding: 20px;
    margin: 20px 0;
    border-radius: 5px;
    border: 2px solid #4CAF50;
}

.final-stats p {
    margin: 10px 0;
    font-size: 18px;
}

.detailed-results {
    max-height: 300px;
    overflow-y: auto;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 5px;
    margin: 20px 0;
    padding: 10px;
}

.result-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    margin: 5px 0;
    border-radius: 3px;
    font-family: monospace;
}

.result-item.correct {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
}

.result-item.incorrect {
    background-color: #f8d7da;
    border: 1px solid #f1b0b7;
}

.question-num {
    font-weight: bold;
    min-width: 30px;
}

.question {
    flex-grow: 1;
    text-align: left;
    margin-left: 10px;
}

.user-answer {
    font-weight: bold;
    min-width: 30px;
}

.status {
    font-size: 18px;
    font-weight: bold;
    min-width: 20px;
    margin-left: 10px;
}

.result-item.correct .status {
    color: #28a745;
}

.result-item.incorrect .status {
    color: #dc3545;
}

.correct-answer {
    font-size: 12px;
    color: #666;
    margin-left: 10px;
}

#save-score-form {
    margin: 20px 0;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 5px;
}

#player-name {
    padding: 10px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 3px;
    margin-right: 10px;
    width: 200px;
}

#save-score-btn {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

#save-score-btn:hover {
    background-color: #0056b3;
}

#save-score-btn:disabled {
    background-color: #6c757d;
    cursor: not-allowed;
}

/* 排行榜样式 */
#math-leaderboard {
    max-width: 800px;
    margin: 20px auto;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    border: 2px solid #ddd;
}

#math-leaderboard h3 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
}

.leaderboard-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.leaderboard-table th,
.leaderboard-table td {
    padding: 12px;
    text-align: center;
    border-bottom: 1px solid #ddd;
}

.leaderboard-table th {
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
}

.leaderboard-table tr:nth-child(even) {
    background-color: #f8f9fa;
}

.leaderboard-table tr:hover {
    background-color: #e8f4f8;
}

/* 前三名特殊样式 */
.leaderboard-table tbody tr:nth-child(1) td:first-child {
    background-color: #ffd700;
    font-weight: bold;
}

.leaderboard-table tbody tr:nth-child(2) td:first-child {
    background-color: #c0c0c0;
    font-weight: bold;
}

.leaderboard-table tbody tr:nth-child(3) td:first-child {
    background-color: #cd7f32;
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 600px) {
    #math-game-container {
        margin: 10px;
        padding: 15px;
    }
    
    #number-keypad {
        max-width: 250px;
        gap: 8px;
        padding: 15px;
    }
    
    .key-btn {
        padding: 12px;
        font-size: 16px;
        min-height: 45px;
    }
    
    #question-display {
        font-size: 20px;
        padding: 15px;
    }
    
    ##answer-field-display {
        font-size: 18px;
        padding: 12px;
    }
    
    .leaderboard-table {
        font-size: 14px;
    }
    
    .leaderboard-table th,
    .leaderboard-table td {
        padding: 8px 4px;
    }
    
    #player-name {
        width: 150px;
        margin-bottom: 10px;
        display: block;
        margin: 0 auto 10px auto;
    }
    
    #save-score-btn {
        display: block;
        margin: 0 auto;
    }
}

@media (max-width: 400px) {
    #number-keypad {
        max-width: 220px;
        gap: 5px;
    }
    
    .key-btn {
        padding: 10px;
        font-size: 14px;
        min-height: 40px;
    }
    
    #question-display {
        font-size: 18px;
    }
    
    .detailed-results {
        max-height: 200px;
    }
    
    .result-item {
        font-size: 12px;
        padding: 6px 8px;
    }
}