.score-curve-chart-container {
                background: #fff;
                box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
                border-radius: var(--apmarker-normal-border-radius);
                padding: 1rem;
            }
            @media (max-width: 700px) {
                .score-curve-chart-wrapper {
                    max-width: 98vw !important;
                }
                #scoreCurveChart {
                    max-height: 45vw !important;
                }
            }
            @media (max-width: 480px) {
                .score-curve-chart-container {
                    padding: 12px 2vw 10px 2vw;
                }
                #scoreCurveChart {
                    max-height: 40vw !important;
                }
            }
            .score-curve-xlabel-tooltip {
                position: absolute;
                z-index: 9999;
                background: #222;
                color: #fff;
                padding: 6px 12px;
                border-radius: var(--apmarker-normal-border-radius);
                font-size: 13px;
                pointer-events: none;
                white-space: pre-line;
                box-shadow: 0 2px 8px rgba(0,0,0,0.12);
                display: none;
                max-width: 80vw;
                word-break: break-all;
            }
            
            /* 小型圖表樣式 */
            .mini-charts-row {
                display: flex;
                flex-wrap: wrap;
                gap: 15px;
                margin-bottom: 20px;
            }
            
            .mini-chart-container {
                background: #fff;
                border-radius: var(--apmarker-normal-border-radius);
                box-shadow: 0 2px 8px rgba(0,0,0,0.08);
                border: 1px solid #e9ecef;
                padding: 15px;
                transition: all 0.3s ease;
            }
            
            .mini-chart-container:hover {
                box-shadow: 0 4px 12px rgba(0,0,0,0.12);
                transform: translateY(-2px);
            }
            
            .mini-chart-title {
                font-size: 14px;
                font-weight: 600;
                color: #495057;
                margin-bottom: 10px;
                text-align: center;
            }
            
            .mini-chart {
                height: 180px;
            }
            
            @media (max-width: 768px) {
                .mini-charts-row {
                    flex-direction: column;
                }
                .mini-chart-container {
                    margin-bottom: 15px;
                }
                .mini-chart {
                    height: 150px;
                }
            }

            .ability-radar-chart-container {
                background: #fff;
                box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
                border-radius: var(--apmarker-normal-border-radius);
                padding: 1rem;
            }

            .chart-description {
                color: #666;
                font-size: 0.9em;
                margin-bottom: 1rem;
                text-align: center;
            }

            .radar-chart-wrapper {
                width: 100%;
                max-width: 500px;
                margin: 0 auto;
                height: 300px;
            }

            .ability-stats-summary {
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
                gap: 12px;
                margin-top: 20px;
            }

            .ability-stat-item {
                padding: 8px;
                background: #f9f9f9;
                border-radius: var(--apmarker-normal-border-radius);
                display: flex;
                flex-wrap: wrap;
                flex-direction: row;
                justify-content: space-between;
            }

            .ability-name {
                font-weight: bold;
                display: block;
                margin-bottom: 4px;
            }

            .ability-score {
                font-weight: bold;
                color: var(--apmarker-main-color);
            }

            .ability-progress {
                height: 6px;
                background: #e0e0e0;
                border-radius: var(--apmarker-normal-border-radius);
                margin-top: 8px;
                flex: 1 0 100%;
            }

            .ability-progress .progress-bar {
                height: 100%;
                background: var(--apmarker-main-color);
                border-radius: var(--apmarker-normal-border-radius);
                transition: width 0.5s ease;
            }

            @media (max-width: 600px) {
                .ability-stats-summary {
                    grid-template-columns: 1fr;
                }
                
                .radar-chart-wrapper {
                    height: 250px;
                }
            }


/* 測驗統計樣式 */
.quiz-stats-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.quiz-overview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.quiz-stat-item {
    background: white;
    padding: 20px;
    border-radius: var(--apmarker-normal-border-radius);
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border-top: 4px solid var(--apmarker-main-color);
}

.quiz-stat-number {
    font-size: 24px;
    font-weight: bold;
    color: var(--apmarker-main-color);
    margin-bottom: 5px;
}

.quiz-stat-label {
    color: #666;
    font-size: 12px;
}

.quiz-charts-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    width: 100%;
    flex-wrap: nowrap;
}

.quiz-chart-item.xs-6 {
    flex: 1 1 50%;
}

.quiz-chart-item h4 {
    margin: 0 0 15px 0;
    color: #333;
    font-size: 16px;
}

.recent-quizzes-section h4 {
    margin: 0 0 15px 0;
    color: #333;
}

.recent-quizzes-list {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.quiz-item {
    display: flex;
    align-items: center;
    background: white;
    padding: 15px;
    border-radius: var(--apmarker-normal-border-radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-left: 4px solid #ddd;
    flex: 1 1 calc(33% - 5px);
    max-width: calc(33% - 5px);
    box-sizing: border-box;
}

.quiz-item.passed {
    border-left-color: var(--apmarker-light-green-color);
}

.quiz-item.failed {
    border-left-color: var(--apmarker-light-red-color);
}

.quiz-subject {
    flex: 2;
    font-weight: 600;
    color: #333;
}

.quiz-details {
    flex: 3;
    display: flex;
    gap: 20px;
    align-items: center;
}

.quiz-score {
    font-weight: bold;
    color: #333;
}

.quiz-questions {
    color: #666;
    font-size: 14px;
}

.quiz-date {
    color: #999;
    font-size: 12px;
}

.quiz-status {
    flex: 1;
    text-align: center;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.passed {
    background: #d4edda;
    color: #155724;
}

.status-badge.failed {
    background: #f8d7da;
    color: #721c24;
}

.quiz-actions {
    flex: 1;
    text-align: right;
}

.no-quiz-data {
    text-align: center;
    padding: 40px 20px;
    background: #f9f9f9;
    border-radius: var(--apmarker-normal-border-radius);
}

.no-quiz-data p {
    margin-bottom: 15px;
    color: #666;
}

@media (max-width: 991px) {
    .quiz-item {
        flex: 1 1 calc(50% - 5px);
        max-width: calc(50% - 5px);
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .quiz-charts-grid {
        flex-wrap: wrap;
    }

    .quiz-chart-item.xs-6 {
        flex: 1 1 100%;
        box-sizing: border-box;
    }
}
@media (max-width: 768px) {
    .quiz-overview-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .quiz-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .quiz-status, .quiz-actions {
        align-self: flex-end;
    }
}