/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
    background-color: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Logo样式 */
.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    text-align: center;
}

.logo-container h1 {
    color: #1d1d1f;
    font-weight: 600;
    text-align: center;
    padding: 5px 0;
}

.logo {
    width: 60px;
    height: 60px;
    margin-right: 15px;
}

h1 {
    color: #1d1d1f;
    font-weight: 600;
}

/* 导航栏样式调整 */
nav ul {
    display: flex;
    list-style: none;
    background-color: #f5f5f7;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 5px rgba(0,0,0,0.05);
    flex-wrap: wrap; /* 移动端适配 */
}

nav ul li {
    margin: 0;
    flex: 1;
    text-align: center;
    min-width: 120px; /* 移动端适配 */
}

nav ul li a {
    display: block;
    padding: 12px 24px;
    color: #1d1d1f;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    white-space: nowrap;
}

nav ul li a.active {
    background-color: #0071e3;
    color: white;
    box-shadow: 0 2px 8px rgba(0,113,227,0.3);
}

nav ul li a:hover:not(.active) {
    background-color: #e8e8ed;
}

/* 主要内容区域 */
main {
    background-color: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    min-height: 600px;
}

section.page {
    display: none;
}

section.page.active {
    display: block;
}

h2 {
    color: #1d1d1f;
    margin-bottom: 20px;
    font-weight: 600;
    border-bottom: 1px solid #e8e8ed;
    padding-bottom: 10px;
}

h3 {
    color: #1d1d1f;
    margin: 20px 0;
    font-weight: 500;
}

/* 表单样式 */
.form-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #1d1d1f;
    font-weight: 500;
}

input, select {
    width: 100%;
    padding: 12px;
    border: 1px solid #d2d2d7;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus, select:focus {
    border-color: #0071e3;
    outline: none;
}

/* 按钮样式 */
.buttons {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap; /* 移动端适配 */
}

button {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn {
    background-color: #0071e3;
    color: white;
}

.primary-btn:hover {
    background-color: #0077ed;
}

.secondary-btn {
    background-color: #e8e8ed;
    color: #1d1d1f;
}

.secondary-btn:hover {
    background-color: #d2d2d7;
}

/* 历史记录样式 */
.history-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    overflow-x: auto; /* 移动端适配 */
}

.history-table th,
.history-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e8e8ed;
}

.history-table th {
    background-color: #f5f5f7;
    font-weight: 600;
    color: #1d1d1f;
}

.history-table tr:hover {
    background-color: #f9f9fa;
}

.view-record-btn,
.delete-record-btn {
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    margin-right: 5px;
}

.view-record-btn {
    background-color: #0071e3;
    color: white;
}

.delete-record-btn {
    background-color: #ff3b30;
    color: white;
}

.no-records {
    text-align: center;
    color: #86868b;
    margin-top: 30px;
    font-style: italic;
}

/* 进步情况分析样式 */
.progress-item {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 8px;
    background-color: #f9f9fa;
}

.progress-positive {
    color: #28a745;
    font-weight: 500;
}

.progress-negative {
    color: #dc3545;
    font-weight: 500;
}

.progress-neutral {
    color: #6c757d;
    font-weight: 500;
}

.dimension-progress-list {
    list-style: none;
    margin: 10px 0;
}

.dimension-progress-list li {
    margin-bottom: 8px;
    padding-left: 15px;
    border-left: 3px solid #e8e8ed;
}

/* PDF导出按钮 */
#export-pdf {
    background-color: #34c759;
    color: white;
}

#export-pdf:hover {
    background-color: #2bb64f;
}

/* 加载动画 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0071e3;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 增强移动端适配 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    main {
        padding: 15px;
    }
    
    .form-container {
        grid-template-columns: 1fr;
    }
    
    .score-summary {
        flex-direction: column;
    }
    
    .options-container {
        grid-template-columns: 1fr;
    }
    
    .logo-container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        margin-right: 0;
        margin-bottom: 10px;
    }
    
    /* 表格响应式 */
    .history-table-container {
        overflow-x: auto;
        width: 100%;
    }
    
    .history-table {
        min-width: 600px;
    }
    
    /* 雷达图响应式 */
    .radar-chart-container {
        max-width: 100%;
    }
    
    /* 错题分析响应式 */
    .wrong-question-item {
        padding: 10px;
    }
    
    /* 按钮响应式 */
    button {
        padding: 10px 15px;
        width: 100%;
        margin-bottom: 10px;
    }
    
    .buttons {
        flex-direction: column;
    }
}

/* 打印样式 */
@media print {
    body {
        background-color: white !important;
        -webkit-print-color-adjust: exact !important;
        color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
    
    header, footer, .buttons, nav {
        display: none !important;
    }
    
    main {
        box-shadow: none !important;
        padding: 0 !important;
        max-width: 100% !important;
    }
    
    .container {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }
    
    .no-print {
        display: none !important;
    }

    .wrong-question-item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .dimension-analysis, .wrong-questions, .improvement-suggestions, .progress-analysis {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .progress-positive {
        color: #28a745 !important;
    }
    
    .progress-negative {
        color: #dc3545 !important;
    }
    
    .correct-option {
        background-color: rgba(40, 167, 69, 0.15) !important;
        border-left: 3px solid #28a745 !important;
    }
    
    .wrong-option {
        background-color: rgba(220, 53, 69, 0.15) !important;
        border-left: 3px solid #dc3545 !important;
    }

    .score {
        color: #0071e3 !important;
    }
}

/* 解决PDF导出问题的特殊样式 */
.pdf-export-clone {
    all: initial;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #1d1d1f;
    background-color: white;
    line-height: 1.5;
    padding: 20px;
    font-size: 14px;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    visibility: visible !important;
    display: block !important;
}

.pdf-export-clone * {
    visibility: visible !important;
    display: block;
    box-sizing: border-box;
}

.pdf-export-clone h2, 
.pdf-export-clone h3, 
.pdf-export-clone h4 {
    margin: 15px 0 10px 0;
    font-weight: 600;
    color: #1d1d1f;
}

.pdf-export-clone h2 {
    font-size: 24px;
    margin-bottom: 15px;
    border-bottom: 1px solid #e8e8ed;
    padding-bottom: 8px;
}

.pdf-export-clone h3 {
    font-size: 18px;
    margin-top: 20px;
}

.pdf-export-clone h4 {
    font-size: 16px;
    margin-top: 15px;
}

.pdf-export-clone p {
    margin: 8px 0;
}

.pdf-export-clone .student-info {
    margin-bottom: 20px;
    font-size: 16px;
}

.pdf-export-clone .score-summary {
    display: flex;
    margin-bottom: 25px;
    border: 1px solid #e8e8ed;
    border-radius: 8px;
    padding: 15px;
    background-color: #f9f9fa;
}

.pdf-export-clone .score-card {
    text-align: center;
    flex: 1;
}

.pdf-export-clone .score {
    font-size: 32px;
    font-weight: 600;
    color: #0071e3;
    margin: 8px 0;
}

.pdf-export-clone .radar-chart-container {
    width: 100%;
    height: 300px;
    margin: 25px auto;
    text-align: center;
}

.pdf-export-clone #radar-chart {
    max-width: 100%;
    height: auto !important;
}

.pdf-export-clone .dimension-analysis,
.pdf-export-clone .wrong-questions,
.pdf-export-clone .improvement-suggestions,
.pdf-export-clone .progress-analysis {
    margin: 20px 0;
    page-break-inside: avoid;
}

.pdf-export-clone .dimension-item {
    margin-bottom: 15px;
    padding: 10px;
    border-left: 3px solid #0071e3;
    background-color: #f9f9fa;
}

.pdf-export-clone .wrong-question-item {
    margin-bottom: 15px;
    padding: 10px;
    border-left: 3px solid #dc3545;
    background-color: #f9f9fa;
    page-break-inside: avoid;
}

.pdf-export-clone .option-item {
    margin: 5px 0;
    padding: 5px 10px;
}

.pdf-export-clone .correct-option {
    border-left: 3px solid #28a745;
    background-color: rgba(40, 167, 69, 0.1);
}

.pdf-export-clone .wrong-option {
    border-left: 3px solid #dc3545;
    background-color: rgba(220, 53, 69, 0.1);
    text-decoration: line-through;
}

.pdf-export-clone .wrong-answer {
    color: #dc3545;
    font-weight: 500;
}

.pdf-export-clone .correct-answer {
    color: #28a745;
    font-weight: 500;
}

.pdf-export-clone .explanation {
    margin-top: 10px;
    padding: 10px;
    background-color: #f0f7ff;
    font-style: italic;
    border-radius: 4px;
}

/* 答案输入区域 */
#questions-container, #standard-answers-container {
    margin-top: 30px;
}

.question-card {
    padding: 10px;
    margin-bottom: 10px;
    border: none;
    border-radius: 0;
    background-color: transparent;
}

.question-card .question-details {
    display: none;
    padding: 10px 0 0 0;
}

.question-card.expanded .question-details {
    display: block;
}

.question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.question-title {
    font-weight: bold;
    flex-grow: 1;
}

.toggle-icon {
    transition: transform 0.3s ease;
}

.question-card.expanded .toggle-icon {
    transform: rotate(180deg);
}

/* 答案管理折叠视图样式 - 更简洁版本 */
.instruction {
    margin-bottom: 12px;
    color: #86868b;
    font-style: italic;
    font-size: 0.9rem;
}

/* 重写标准答案管理样式 */
.collapsed-view .question-card {
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    padding: 8px 6px;
    margin-bottom: 2px;
    border: none;
    border-bottom: 1px solid #f0f0f2;
    background-color: transparent;
}

.collapsed-view .question-card:hover {
    background-color: #f9f9f9;
}

.collapsed-view .question-card .question-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0;
    height: 30px;
}

.collapsed-view .question-card .question-title {
    font-weight: 400;
    font-size: 0.9rem;
    color: #333;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 90%;
    padding: 1px 0;
}

.collapsed-view .question-card .question-details {
    display: none;
    margin: 5px 0 0 30px;
    padding: 10px 0 5px 10px;
    border-left: 2px solid #e8e8ed;
    background-color: transparent;
}

.collapsed-view .question-card.expanded {
    padding-bottom: 12px;
    background-color: #f9f9f9;
    border: none;
    border-bottom: 1px solid #e8e8ed;
    margin-bottom: 5px;
}

.collapsed-view .question-card.expanded .question-details {
    display: block;
    animation: fadeIn 0.2s ease;
}

.collapsed-view .question-card .toggle-icon {
    color: #0071e3;
    font-weight: bold;
    font-size: 10px;
    width: 16px;
    height: 16px;
    line-height: 16px;
    margin-left: 4px;
    text-align: center;
    transform: rotate(0deg);
    transition: transform 0.2s ease;
}

.collapsed-view .question-card.expanded .toggle-icon {
    transform: rotate(180deg);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.question-text {
    margin-bottom: 15px;
    font-weight: 500;
}

.options-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

.option-radio {
    display: flex;
    align-items: center;
    gap: 5px;
}

.option-radio input[type="radio"] {
    width: auto;
}

/* 维度选择器 */
.dimension-selector {
    margin-top: 10px;
}

/* 隐藏元素 */
.hidden {
    display: none;
}

/* 报告样式 */
.student-info {
    margin-bottom: 20px;
}

.score-summary {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.score-card {
    background-color: #f5f5f7;
    border-radius: 8px;
    padding: 20px;
    flex: 1;
    text-align: center;
}

.score {
    font-size: 32px;
    font-weight: 600;
    color: #0071e3;
    margin-top: 10px;
}

.radar-chart-container {
    margin-bottom: 30px;
    max-width: 500px;
    margin: 0 auto 30px;
}

.dimension-analysis, .wrong-questions, .improvement-suggestions {
    margin-bottom: 30px;
}

.dimension-item {
    margin-bottom: 15px;
}

.wrong-question-item {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 15px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.options-list {
    margin: 10px 0;
    padding-left: 20px;
}

.option-item {
    margin: 5px 0;
    padding: 5px 10px;
    border-radius: 4px;
}

.correct-option {
    background-color: rgba(40, 167, 69, 0.15);
    border-left: 3px solid #28a745;
    font-weight: 500;
}

.wrong-option {
    background-color: rgba(220, 53, 69, 0.15);
    border-left: 3px solid #dc3545;
    text-decoration: line-through;
    font-weight: 500;
}

.wrong-answer {
    color: #dc3545;
    font-weight: 500;
}

.correct-answer {
    color: #28a745;
    font-weight: 500;
}

.explanation {
    margin-top: 10px;
    padding: 10px;
    background-color: #e9f5fe;
    border-radius: 4px;
    font-style: italic;
}

/* 页脚样式 */
footer {
    text-align: center;
    margin-top: 30px;
    color: #86868b;
    font-size: 14px;
}

/* 更紧凑的网格布局 */
.options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 8px;
}

/* 更紧凑的表单样式 */
.form-group.compact-form {
    margin-bottom: 8px;
}

.form-group.compact-form label {
    font-size: 0.8rem;
    margin-bottom: 2px;
    color: #666;
}

.form-group.compact-form input,
.form-group.compact-form select {
    padding: 4px 8px;
    font-size: 0.8rem;
    border-radius: 3px;
    height: 28px;
    border: 1px solid #e8e8ed;
    background-color: #ffffff;
}

#standard-answers-container h3 {
    font-size: 1rem;
    margin: 12px 0 8px;
}

#standard-answers-container .instruction {
    margin-bottom: 8px;
    font-size: 0.8rem;
}

/* 学生答案录入样式 */
.student-options {
    margin-top: 10px;
}

.student-options .option-radio {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    padding: 6px 10px;
    border-radius: 4px;
    background-color: #f5f5f7;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.student-options .option-radio:hover {
    background-color: #e8e8ed;
}

.student-options .option-radio input[type="radio"] {
    margin-right: 10px;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
    .options-grid, .settings-grid {
        grid-template-columns: 1fr;
    }
}

#standard-answers-container .header-row {
    display: flex;
    font-size: 0.85rem;
    color: #666;
    font-weight: 500;
    padding: 8px 10px;
    margin-bottom: 5px;
    border-bottom: 2px solid #e8e8ed;
}

#standard-answers-container .header-row .number-column {
    width: 40px;
}

#standard-answers-container .header-row .question-column {
    flex: 1;
}

#standard-answers-container .header-row .answer-column {
    width: 60px;
    text-align: right;
}

.collapsed-view .question-card .number-part {
    color: #666;
    font-weight: 500;
    display: inline-block;
    width: 30px;
}

.collapsed-view .question-card .answer-part {
    margin-left: 5px;
    color: #0071e3;
    font-weight: 500;
}

/* PDF分页控制 */
.html2pdf__page-break {
    height: 0;
    page-break-after: always;
    margin: 0;
    border-top: none;
}

/* 固定PDF导出时的雷达图容器高度，避免扭曲 */
.pdf-export-clone .radar-chart-container {
    min-height: 300px;
    max-height: 300px;
    width: 100%;
    display: flex;
    justify-content: center;
}

.pdf-export-clone .student-info,
.pdf-export-clone .score-summary {
    margin-bottom: 15px;
}

.pdf-export-clone .dimension-analysis,
.pdf-export-clone .progress-analysis,
.pdf-export-clone .improvement-suggestions {
    margin-top: 20px;
    margin-bottom: 20px;
}

.pdf-export-clone h3 {
    margin-top: 15px;
    margin-bottom: 10px;
    color: #1d1d1f;
    font-weight: 600;
}

/* 简化版PDF容器样式 */
.pdf-container {
    display: none;
}

/* 分享报告对话框样式 */
.share-dialog {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.share-dialog-content {
    background-color: white;
    padding: 25px;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.share-dialog h3 {
    color: #1d1d1f;
    margin-bottom: 15px;
    text-align: center;
}

.share-url-container {
    display: flex;
    margin: 20px 0;
}

.share-url-container input {
    flex: 1;
    padding: 10px;
    border: 1px solid #d2d2d7;
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-size: 14px;
}

.share-url-container button {
    padding: 10px 15px;
    border-radius: 0 8px 8px 0;
    white-space: nowrap;
}

.share-note {
    color: #86868b;
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
}

.share-buttons {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

/* 分享报告标记 */
.shared-report-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: #0071e3;
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: 500;
    opacity: 0.8;
}

/* 分享按钮样式 */
#share-report {
    background-color: #0071e3;
    color: white;
}

#share-report:hover {
    background-color: #0077ed;
}

/* 修改操作按钮样式，适应多个按钮 */
.view-shared-report-btn,
.copy-report-link-btn,
.delete-shared-report-btn {
    padding: 4px 8px;
    font-size: 12px;
    margin-right: 3px;
    white-space: nowrap;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .share-url-container {
        flex-direction: column;
    }
    
    .share-url-container input {
        border-radius: 8px;
        border-right: 1px solid #d2d2d7;
        margin-bottom: 10px;
    }
    
    .share-url-container button {
        border-radius: 8px;
        width: 100%;
    }
}

/* Excel导入区域样式 */
.excel-import-container {
    margin: 20px 0;
    padding: 20px;
    background-color: #f5f5f7;
    border-radius: 12px;
    border: 2px dashed #d2d2d7;
}

.excel-import-container h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #1d1d1f;
}

.excel-import-container .instruction {
    margin-bottom: 15px;
    color: #636366;
    font-size: 14px;
}

.excel-import-container input[type="file"] {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    background-color: white;
    border: 1px solid #d2d2d7;
    border-radius: 8px;
}

.excel-import-container button {
    display: inline-block;
    padding: 10px 15px;
}

/* 批量导入进度显示样式 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1001;
    color: white;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.import-progress {
    width: 80%;
    max-width: 400px;
    margin: 20px 0;
}

.import-progress-bar {
    width: 100%;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    overflow: hidden;
}

.import-progress-bar-fill {
    height: 100%;
    background-color: #0071e3;
    border-radius: 4px;
    transition: width 0.3s ease;
}

.import-status {
    text-align: center;
    margin-top: 10px;
    font-size: 14px;
}

.import-complete {
    color: #00c7be;
}

.import-error {
    color: #ff3b30;
}

.imported-files-list {
    width: 80%;
    max-width: 500px;
    max-height: 300px;
    overflow-y: auto;
    margin-top: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    padding: 10px;
}

.imported-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    margin-bottom: 5px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

.imported-file-name {
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
}

.imported-file-status {
    font-size: 12px;
    font-weight: 500;
    padding: 3px 8px;
    border-radius: 10px;
}

.imported-file-status.success {
    background-color: rgba(52, 199, 89, 0.3);
    color: #34c759;
}

.imported-file-status.error {
    background-color: rgba(255, 59, 48, 0.3);
    color: #ff3b30;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
    .excel-import-container {
        padding: 15px;
    }
    
    .imported-files-list {
        width: 90%;
    }
    
    .import-progress {
        width: 90%;
    }
}

/* 书籍管理样式 */
.book-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.book-card {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.book-title {
    font-weight: 500;
    margin-bottom: 20px;
    color: #1d1d1f;
    word-break: break-word;
}

.book-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
}

.delete-book-btn {
    background-color: #ff3b30;
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.delete-book-btn:hover {
    background-color: #ff625c;
}

.add-book-container {
    background-color: #f5f5f7;
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.add-book-container .form-group {
    display: flex;
    gap: 10px;
}

.add-book-container input {
    flex-grow: 1;
}

.instruction {
    color: #86868b;
    margin-bottom: 20px;
}

.empty-books-message {
    text-align: center;
    color: #86868b;
    margin-top: 30px;
    font-style: italic;
}

.input-with-button {
    display: flex;
    align-items: center;
    gap: 10px;
}

.input-with-button select {
    flex-grow: 1;
}

.input-with-button button {
    flex-shrink: 0;
}

/* 雷达图样式 */
.chart-container {
    margin: 20px auto;
    width: 400px;
    height: 400px;
    position: relative;
}

/* 增大雷达图中的维度标签字号 */
canvas#radar-chart {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* 自定义Chart.js样式 */
.chartjs-size-monitor {
    max-width: 100%;
}

/* 增大雷达图标签文字 */
.radar-chart-title {
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 10px;
    color: #1d1d1f;
}

/* 定制Chart.js维度标签样式 */
.custom-chart-style {
    --dimension-font-size: 14px;
    --dimension-font-weight: 600;
}

/* 数据导出/导入容器样式 */
.data-export-import-container {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.data-export-import-container h3 {
    margin-top: 0;
    color: #333;
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.data-export-import-container .instruction {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.data-export-import-container .buttons-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.success-message {
    padding: 0.75rem;
    background-color: #d4edda;
    color: #155724;
    border-radius: 5px;
    font-size: 0.9rem;
}

.error-message {
    padding: 0.75rem;
    background-color: #f8d7da;
    color: #721c24;
    border-radius: 5px;
    font-size: 0.9rem;
}

/* 关于系统页面样式 */
#about-page .about-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

#about-page h3 {
    margin-top: 1.5rem;
    color: var(--primary-color);
    border-bottom: 1px solid #eee;
    padding-bottom: 0.5rem;
}

#about-page ul {
    padding-left: 1.5rem;
}

#about-page li {
    margin-bottom: 0.5rem;
}

.github-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #24292e;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin: 0.5rem 0;
    font-weight: 500;
    transition: background-color 0.2s;
}

.github-link:hover {
    background-color: #0366d6;
}

#version-info {
    background-color: #f1f8ff;
    padding: 0.75rem;
    border-radius: 4px;
    border-left: 4px solid var(--primary-color);
    margin-top: 1.5rem;
}

footer a {
    color: inherit;
    text-decoration: underline;
}

footer a:hover {
    color: var(--primary-color);
}