/* 真实案例分析样式 */

/* 案例库专用颜色变量补充 */
:root {
    --academic-pearl: #F5F5F0;        /* 珍珠白 - 浅色背景 */
    --carbon-gold: #D4AF37;           /* 碳金色 - 强调色 */
    --harvard-light: #FFF0F0;         /* 哈佛浅色 - 背景渐变 */
}

/* 案例库控制栏样式 */
.case-library-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--academic-ivory) 0%, white 100%);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border: 1px solid var(--academic-light-grey);
}

/* 分类筛选按钮 */
.case-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    border: 2px solid var(--academic-light-grey);
    background: white;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--academic-slate);
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    border-color: var(--harvard-crimson);
    color: var(--harvard-crimson);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.filter-btn.active {
    background: var(--harvard-crimson);
    border-color: var(--harvard-crimson);
    color: white;
    font-weight: 600;
}

.filter-btn .count {
    background: rgba(255,255,255,0.3);
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.filter-btn.active .count {
    background: rgba(255,255,255,0.9);
    color: var(--harvard-crimson);
}

/* 搜索框样式 */
.case-search {
    position: relative;
    flex-grow: 1;
    max-width: 300px;
    min-width: 200px;
}

.case-search input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid var(--academic-light-grey);
    border-radius: 8px;
    font-size: 0.9rem;
    background: white;
    transition: all 0.3s ease;
}

.case-search input:focus {
    outline: none;
    border-color: var(--harvard-crimson);
    box-shadow: 0 0 0 3px rgba(165, 42, 42, 0.1);
}

.case-search i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--academic-slate);
    font-size: 0.9rem;
}

/* 排序选择器样式 */
.case-sort select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--academic-light-grey);
    border-radius: 8px;
    background: white;
    font-size: 0.9rem;
    color: var(--academic-slate);
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-sort select:focus {
    outline: none;
    border-color: var(--harvard-crimson);
}

/* 案例网格布局 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* 优化平板设备的显示 */
@media (min-width: 768px) and (max-width: 1200px) {
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

/* 移动设备单列显示 */
@media (max-width: 767px) {
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* 分页控制样式 */
.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--academic-ivory);
    border-radius: 12px;
    border: 1px solid var(--academic-light-grey);
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--academic-slate);
    font-weight: 500;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: white;
    border: 2px solid var(--academic-light-grey);
    border-radius: 8px;
    color: var(--academic-slate);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--harvard-crimson);
    color: var(--harvard-crimson);
    background: var(--harvard-light);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.25rem;
    margin: 0 0.5rem;
}

.pagination-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 2px solid var(--academic-light-grey);
    border-radius: 8px;
    color: var(--academic-slate);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-number:hover {
    border-color: var(--harvard-crimson);
    color: var(--harvard-crimson);
    background: var(--harvard-light);
}

.pagination-number.active {
    background: var(--harvard-crimson);
    border-color: var(--harvard-crimson);
    color: white;
    font-weight: 600;
}

.pagination-size {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--academic-slate);
}

.pagination-size select {
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--academic-light-grey);
    border-radius: 6px;
    background: white;
    font-size: 0.9rem;
    color: var(--academic-slate);
    cursor: pointer;
}

.pagination-size select:focus {
    outline: none;
    border-color: var(--harvard-crimson);
}

/* 测试功能区样式优化 */
.case-testing-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--academic-light-grey);
}

.case-testing-section .testing-item {
    background: linear-gradient(135deg, var(--harvard-light) 0%, var(--academic-ivory) 100%);
    border: 2px solid var(--harvard-crimson);
    border-radius: 12px;
}

/* 响应式分页设计 */
@media (max-width: 768px) {
    .pagination-container {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .pagination-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .case-library-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .case-filters {
        justify-content: center;
    }
    
    .case-search {
        max-width: none;
    }
}

.case-item {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--harvard-crimson);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.case-item h3 {
    margin: 0 0 1rem 0;
    color: var(--academic-charcoal);
    font-size: 1.3rem;
    font-weight: 600;
}

.case-source {
    background: var(--academic-ivory);
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--academic-slate);
    margin: 1rem 0 1.5rem 0;
    border: 1px solid var(--academic-light-grey);
}

.case-facts p {
    margin: 1rem 0;
    line-height: 1.6;
    color: var(--academic-slate);
}

.case-facts strong {
    color: var(--harvard-crimson);
    font-weight: 600;
}

/* 案例库深度分析页面样式 - 商学院风格 */

/* 模态框基础样式增强 */
.modal.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 案例深度分析容器 */
.case-analysis-container {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', sans-serif;
    line-height: 1.6;
    color: var(--academic-charcoal);
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* 分析页面头部 */
.analysis-header {
    border-bottom: 3px solid var(--harvard-crimson);
    margin-bottom: 3rem;
    padding-bottom: 2rem;
}

.analysis-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--harvard-crimson);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.analysis-summary {
    background: linear-gradient(135deg, var(--harvard-light) 0%, var(--academic-ivory) 100%);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--harvard-crimson);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.summary-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--harvard-crimson);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.summary-text {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--academic-charcoal);
    margin: 0;
    font-style: italic;
}

/* 分析内容区域 */
.analysis-content {
    margin-bottom: 3rem;
}

.analysis-section {
    margin-bottom: 3rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    overflow: hidden;
    border: 1px solid var(--academic-ivory);
}

.section-header {
    background: linear-gradient(135deg, var(--academic-slate) 0%, var(--academic-charcoal) 100%);
    color: white;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-header i {
    font-size: 1.5rem;
    color: var(--carbon-mint);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.section-content {
    padding: 2rem;
}

.subsection {
    margin-bottom: 2rem;
}

.subsection:last-child {
    margin-bottom: 0;
}

.subsection-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--harvard-crimson);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--academic-ivory);
    padding-bottom: 0.5rem;
}

.analysis-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.analysis-points li {
    position: relative;
    padding: 0.8rem 0 0.8rem 2rem;
    border-bottom: 1px solid var(--academic-pearl);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: all 0.2s ease;
}

.analysis-points li:last-child {
    border-bottom: none;
}

.analysis-points li:before {
    content: "▸";
    position: absolute;
    left: 0;
    top: 0.8rem;
    color: var(--carbon-forest);
    font-weight: bold;
    font-size: 1rem;
}

.analysis-points li:hover {
    background: var(--academic-pearl);
    padding-left: 2.5rem;
}

/* 结论部分 */
.analysis-conclusion {
    background: linear-gradient(135deg, var(--academic-ivory) 0%, white 100%);
    border-radius: 12px;
    padding: 2rem;
    border: 2px solid var(--harvard-light);
}

.insights-section, .lessons-section {
    margin-bottom: 2rem;
}

.lessons-section {
    margin-bottom: 0;
}

.insights-section h3, .lessons-section h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--academic-charcoal);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--harvard-crimson);
    padding-bottom: 0.5rem;
}

.insights-section i, .lessons-section i {
    color: var(--carbon-gold);
    font-size: 1.2rem;
}

.insights-list, .lessons-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.insights-list li, .lessons-list li {
    position: relative;
    padding: 1rem 0 1rem 2.5rem;
    border-left: 3px solid var(--carbon-mint);
    margin-bottom: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    font-weight: 500;
}

.insights-list li:before {
    content: "💡";
    position: absolute;
    left: 0.8rem;
    top: 1rem;
    font-size: 1.2rem;
}

.lessons-list li:before {
    content: "🎯";
    position: absolute;
    left: 0.8rem;
    top: 1rem;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .cases-simple {
        gap: 1.5rem;
    }
    
    .case-item {
        padding: 1.5rem;
        margin: 0 -1rem;
        border-radius: 0;
    }
    
    /* 响应式设计 - 深度分析 */
    .case-analysis-container {
        padding: 1rem;
    }
    
    .analysis-title {
        font-size: 2rem;
    }
    
    .section-header {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .section-content {
        padding: 1rem;
    }
    
    .analysis-summary {
        padding: 1.5rem;
    }
    
    .summary-text {
        font-size: 1.1rem;
    }
    
    .modal-content {
        max-width: 95vw;
        margin: 2.5vh auto;
    }
}

/* 打印样式 */
@media print {
    .case-analysis-container {
        box-shadow: none;
        border: none;
    }
    
    .analysis-section {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .section-header {
        background: #f5f5f5 !important;
        color: black !important;
        -webkit-print-color-adjust: exact;
    }
}

/* 独立的案例分析模态框样式 */
.case-analysis-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.case-analysis-modal.show {
    opacity: 1;
    visibility: visible;
}

.case-modal-content {
    background-color: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 12px;
    width: 95%;
    max-width: 1400px;
    max-height: 95vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    animation: caseModalSlideIn 0.3s ease-out;
}

.case-modal-close {
    color: #666;
    float: right;
    font-size: 32px;
    font-weight: bold;
    position: absolute;
    right: 25px;
    top: 20px;
    z-index: 10001;
    cursor: pointer;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.95);
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.case-modal-close:hover,
.case-modal-close:focus {
    color: var(--harvard-crimson);
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.case-modal-body {
    padding: 0;
}

@keyframes caseModalSlideIn {
    from {
        transform: translateY(-30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 响应式设计 - 独立模态框 */
@media (max-width: 768px) {
    .case-modal-content {
        margin: 1% auto;
        width: 98%;
        max-height: 98vh;
        border-radius: 8px;
    }
    
    .case-modal-close {
        right: 15px;
        top: 15px;
        width: 40px;
        height: 40px;
        font-size: 28px;
    }
}