/* css/reference-manager-detail.css */
/* 参考文献管理器详情页样式 - 悬浮面板、引用链接、详情卡片 */

/* ============================================
   详情页专用样式 - 文献区域和悬浮面板
   ============================================ */

/* 文档末尾的参考文献区域 */
.reference-section {
    margin-top: 60px;
    margin-left: auto;
    margin-right: auto;
    max-width: 900px; /* 限制最大宽度 */
    padding: 30px;
    background: linear-gradient(to bottom, #f8fafc, #ffffff);
    border-top: 3px solid #3b82f6;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.reference-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid #e0e0e0;
}

.reference-section-header h2 {
    margin: 0;
    color: #333;
    font-size: 28px;
    font-weight: 600;
}

.reference-section-actions {
    display: flex;
    gap: 10px;
}

.ref-manage-btn,
.ref-extract-btn {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background-color: #fff;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ref-manage-btn {
    background-color: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.ref-manage-btn:hover {
    background-color: #2563eb;
}

.ref-extract-btn:hover {
    background-color: #f5f5f5;
}

/* 参考文献列表 */
.reference-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.reference-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    transition: all 0.2s;
}

.reference-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.reference-number {
    font-size: 18px;
    font-weight: 600;
    color: #3b82f6;
    min-width: 40px;
}

.reference-content {
    flex: 1;
}

.reference-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.ref-authors {
    font-weight: 500;
    color: #333;
}

.ref-year {
    color: #666;
}

.reference-title {
    font-size: 16px;
    font-weight: 500;
    color: #1976d2;
    margin-bottom: 6px;
    line-height: 1.4;
}

.reference-journal {
    color: #666;
    font-size: 14px;
    margin-bottom: 4px;
}

.reference-details {
    color: #888;
    font-size: 13px;
    margin-bottom: 4px;
}

.reference-doi {
    font-size: 13px;
    color: #666;
    margin-top: 6px;
}

.reference-doi a {
    color: #2196F3;
    text-decoration: none;
}

.reference-doi a:hover {
    text-decoration: underline;
}

.reference-tags {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.ref-tag-small {
    display: inline-block;
    padding: 2px 8px;
    background-color: #e3f2fd;
    color: #1976d2;
    border-radius: 10px;
    font-size: 11px;
}

.reference-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ref-action-icon {
    background: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 6px 10px;
    cursor: pointer;
    color: #666;
    transition: all 0.2s;
}

.ref-action-icon:hover {
    background-color: #f0f0f0;
    color: #333;
}

/* TOC中的参考文献链接 */
.toc-reference-link {
    border-top: 1px solid #e0e0e0;
    padding-top: 10px;
    margin-top: 10px;
}

.toc-ref-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    color: #3b82f6 !important;
    font-weight: 500;
    transition: background-color 0.2s;
}

.toc-ref-link:hover {
    background-color: #f0f0f0;
    border-radius: 4px;
}

/* 悬浮面板（类似chatbot） */
.reference-floating-panel {
    position: fixed;
    right: 30px;
    bottom: 80px;
    width: 450px;
    height: 600px;
    max-height: 600px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2), 0 0 1px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    z-index: 9999;
    animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.reference-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 22px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-radius: 16px 16px 0 0;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.reference-panel-header h3 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.01em;
}

.reference-panel-actions {
    display: flex;
    gap: 8px;
}

.ref-panel-minimize,
.ref-panel-close {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    font-size: 15px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: all 0.2s;
    backdrop-filter: blur(10px);
}

.ref-panel-minimize:hover,
.ref-panel-close:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.reference-panel-toolbar {
    display: flex;
    gap: 8px;
    padding: 14px 16px;
    background: linear-gradient(to bottom, #f8f9fa, #ffffff);
    border-bottom: 1px solid #e5e7eb;
}

.ref-toolbar-btn {
    flex: 1;
    padding: 8px 14px;
    border: 1px solid #d1d5db;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: #374151;
}

.ref-toolbar-btn:hover {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-color: #3b82f6;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.25);
    transform: translateY(-1px);
}

.reference-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    background: #fafbfc;
}

/* 美化滚动条 */
.reference-panel-content::-webkit-scrollbar {
    width: 6px;
}

.reference-panel-content::-webkit-scrollbar-track {
    background: transparent;
}

.reference-panel-content::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.reference-panel-content::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.ref-panel-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    text-align: center;
    color: #999;
}

.ref-panel-placeholder i {
    margin-bottom: 16px;
    color: #ddd;
}

.ref-panel-placeholder p {
    margin: 16px 0;
    font-size: 14px;
}

.ref-panel-placeholder button {
    padding: 8px 20px;
    background-color: #3b82f6;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.2s;
}

.ref-panel-placeholder button:hover {
    background-color: #2563eb;
}

.ref-panel-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 4px;
}

.ref-panel-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.ref-panel-item:hover {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.ref-panel-header {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.ref-panel-number {
    font-size: 15px;
    font-weight: 700;
    color: #3b82f6;
    min-width: 35px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #dbeafe, #eff6ff);
    border-radius: 6px;
    flex-shrink: 0;
}

.ref-panel-title {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: #1e293b;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ref-panel-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    font-size: 12px;
    color: #64748b;
    margin-left: 45px;
}

.ref-panel-authors {
    font-weight: 500;
    color: #475569;
}

.ref-panel-year,
.ref-panel-journal {
    padding: 2px 8px;
    background-color: #f1f5f9;
    border-radius: 4px;
    color: #64748b;
}

.ref-panel-citations {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: #10b981;
    background-color: #d1fae5;
    padding: 4px 10px;
    border-radius: 12px;
    width: fit-content;
    margin-left: 45px;
    font-weight: 500;
}

.ref-panel-citations i {
    font-size: 10px;
}

.ref-panel-actions {
    display: flex;
    gap: 6px;
    margin-left: 45px;
    margin-top: 4px;
}

.ref-panel-action-btn {
    flex: 1;
    padding: 6px 12px;
    border: 1px solid #d1d5db;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: #374151;
    text-decoration: none;
}

.ref-panel-action-btn:hover {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-color: #3b82f6;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.25);
}

.ref-panel-action-btn i {
    font-size: 11px;
}

/* Dock中的文献统计样式 */
.dock-stat-item-wrapper-reference {
    cursor: pointer;
    transition: background-color 0.2s;
}

.dock-stat-item-wrapper-reference:hover {
    background-color: rgba(76, 175, 80, 0.1);
}

/* 参考文献条目高亮动画 */
.reference-item-highlight {
    background-color: #fff3cd !important;
    border-color: #ffc107 !important;
    animation: referenceFlash 0.5s ease 3;
}

@keyframes referenceFlash {
    0%, 100% {
        background-color: #fff3cd;
        transform: scale(1);
    }
    50% {
        background-color: #ffeb3b;
        transform: scale(1.02);
    }
}

/* 原文中的引用链接 */
.reference-citation {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    padding: 0 2px;
    border-radius: 3px;
    transition: all 0.2s ease;
    position: relative;
}

.reference-citation:hover {
    color: #2563eb;
    background: rgba(59, 130, 246, 0.1);
    text-decoration: none;
}

/* 引用悬浮卡片 */
.reference-citation-tooltip {
    position: absolute;
    z-index: 10000;
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    max-width: 400px;
    min-width: 300px;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-5px);
    transition: opacity 0.2s ease, transform 0.2s ease;
    visibility: hidden;
}

.reference-citation-tooltip.show {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

/* 详细悬浮卡片（改进版） */
.reference-detail-tooltip {
    position: absolute;
    z-index: 10000;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    width: 420px;
    max-height: 600px;
    overflow-y: auto;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
    pointer-events: auto;
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.2s ease, transform 0.2s ease;
    visibility: hidden;
}

.reference-detail-tooltip.show {
    opacity: 1;
    transform: scale(1);
    visibility: visible;
}

.tooltip-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 18px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 12px 12px 0 0;
}

.tooltip-detail-number {
    font-size: 18px;
    font-weight: 700;
    color: white;
}

.tooltip-detail-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 16px;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tooltip-detail-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.tooltip-detail-content {
    padding: 18px;
}

.tooltip-detail-title {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 14px 0;
    line-height: 1.4;
}

.tooltip-detail-authors {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: #475569;
    margin-bottom: 12px;
    line-height: 1.5;
}

.tooltip-detail-authors i {
    color: #94a3b8;
    margin-top: 2px;
    flex-shrink: 0;
}

.tooltip-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
}

.tooltip-detail-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: #f1f5f9;
    border-radius: 6px;
    font-size: 12px;
    color: #64748b;
}

.tooltip-detail-meta i {
    color: #94a3b8;
    font-size: 11px;
}

.tooltip-detail-abstract {
    margin-bottom: 14px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 8px;
}

.tooltip-detail-abstract strong {
    font-size: 12px;
    color: #334155;
    display: block;
    margin-bottom: 6px;
}

.tooltip-detail-abstract p {
    font-size: 13px;
    line-height: 1.6;
    color: #475569;
    margin: 0;
    max-height: 150px;
    overflow-y: auto;
}

.tooltip-detail-doi {
    padding: 10px 12px;
    background: #eff6ff;
    border-left: 3px solid #3b82f6;
    border-radius: 4px;
    margin-bottom: 14px;
    font-size: 12px;
}

.tooltip-detail-doi strong {
    color: #1e40af;
    margin-right: 6px;
}

.tooltip-detail-doi a {
    color: #3b82f6;
    text-decoration: none;
}

.tooltip-detail-doi a:hover {
    text-decoration: underline;
}

.tooltip-detail-citations {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    background: #d1fae5;
    border-left: 3px solid #10b981;
    border-radius: 4px;
    font-size: 12px;
    color: #047857;
    margin-bottom: 14px;
}

.tooltip-detail-citations strong {
    color: #065f46;
}

.tooltip-detail-actions {
    display: flex;
    gap: 8px;
    padding: 12px 18px;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
    border-radius: 0 0 12px 12px;
}

.tooltip-action-btn {
    flex: 1;
    padding: 8px 14px;
    border: 1px solid #d1d5db;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: #374151;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.tooltip-action-btn:hover {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-color: #3b82f6;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.tooltip-action-btn i {
    font-size: 11px;
}

/* 多文献列表样式 */
.tooltip-multiple-refs {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 450px;
    overflow-y: auto;
}

.tooltip-ref-item {
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
    transition: all 0.15s;
    overflow: hidden;
}

.tooltip-ref-item.expanded {
    border-color: #3b82f6;
    box-shadow: 0 2px 12px rgba(59, 130, 246, 0.15);
}

.tooltip-ref-header {
    display: flex;
    gap: 10px;
    padding: 10px;
    cursor: pointer;
    transition: all 0.15s;
}

.tooltip-ref-header:hover {
    background: #eff6ff;
}

.tooltip-ref-item.expanded .tooltip-ref-header {
    background: #eff6ff;
    border-bottom: 1px solid #e2e8f0;
}

.tooltip-ref-toggle {
    flex-shrink: 0;
    margin-left: auto;
    color: #94a3b8;
    font-size: 12px;
    transition: transform 0.2s;
}

.tooltip-ref-toggle.expanded {
    transform: rotate(180deg);
}

.tooltip-ref-detail {
    padding: 12px;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tooltip-ref-detail-section {
    margin-bottom: 10px;
    font-size: 12px;
    line-height: 1.5;
}

.tooltip-ref-detail-section:last-of-type {
    margin-bottom: 0;
}

.tooltip-ref-detail-section strong {
    color: #475569;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 2px;
}

.tooltip-ref-detail-section i {
    font-size: 11px;
    color: #94a3b8;
}

.tooltip-ref-detail-actions {
    display: flex;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #e2e8f0;
}

.tooltip-ref-action-btn {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid #d1d5db;
    background: white;
    color: #475569;
    font-size: 11px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.tooltip-ref-action-btn:hover {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-color: #3b82f6;
}

.tooltip-ref-number {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    font-weight: 600;
    font-size: 12px;
    border-radius: 6px;
}

.tooltip-ref-info {
    flex: 1;
    min-width: 0;
}

.tooltip-ref-title {
    font-size: 13px;
    font-weight: 500;
    color: #1e293b;
    margin-bottom: 3px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tooltip-ref-authors {
    font-size: 11px;
    color: #64748b;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 美化滚动条 */
.reference-detail-tooltip::-webkit-scrollbar {
    width: 6px;
}

.reference-detail-tooltip::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.reference-detail-tooltip::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.reference-detail-tooltip::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.tooltip-detail-abstract::-webkit-scrollbar {
    width: 4px;
}

.tooltip-detail-abstract::-webkit-scrollbar-track {
    background: transparent;
}

.tooltip-detail-abstract::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 2px;
}

.tooltip-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e0e0e0;
}

.tooltip-number {
    font-size: 16px;
    font-weight: 600;
    color: #3b82f6;
}

.tooltip-title {
    font-size: 14px;
    font-weight: 500;
    color: #333;
    line-height: 1.4;
}

.tooltip-authors {
    font-size: 13px;
    color: #666;
    margin-bottom: 6px;
}

.tooltip-meta {
    font-size: 12px;
    color: #888;
    margin-bottom: 8px;
}

.tooltip-abstract {
    font-size: 12px;
    color: #555;
    line-height: 1.5;
    margin-top: 8px;
    max-height: 100px;
    overflow-y: auto;
    padding: 8px;
    background-color: #f8f9fa;
    border-radius: 4px;
}

.tooltip-doi {
    font-size: 11px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #f0f0f0;
}

.tooltip-doi a {
    color: #2196F3;
    text-decoration: none;
}

.tooltip-doi a:hover {
    text-decoration: underline;
}

/* 返回原文按钮 */
.ref-back-to-text {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 12px;
    color: #3b82f6;
    background-color: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.ref-back-to-text:hover {
    background-color: #dbeafe;
    border-color: #93c5fd;
    transform: translateX(-2px);
}

.ref-back-to-text i {
    font-size: 10px;
}

/* 文献详细卡片模态框 */
.reference-detail-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

.reference-detail-modal.show {
    opacity: 1;
    visibility: visible;
}

.reference-detail-card {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 700px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.reference-detail-modal.show .reference-detail-card {
    transform: scale(1);
}

.reference-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 16px 16px 0 0;
}

.reference-detail-number {
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.reference-detail-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 20px;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reference-detail-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.reference-detail-content {
    padding: 28px;
}

.reference-detail-title {
    font-size: 22px;
    font-weight: 600;
    color: #1e293b;
    margin: 0 0 20px 0;
    line-height: 1.4;
}

.reference-detail-meta {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 8px;
}

.reference-detail-authors,
.reference-detail-year,
.reference-detail-journal {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #475569;
}

.reference-detail-authors {
    font-weight: 500;
}

.reference-detail-authors i,
.reference-detail-year i,
.reference-detail-journal i {
    color: #94a3b8;
    width: 16px;
}

.reference-detail-publication {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #64748b;
}

.reference-detail-publication span {
    padding: 4px 12px;
    background: #e2e8f0;
    border-radius: 6px;
}

.reference-detail-abstract {
    margin-bottom: 20px;
}

.reference-detail-abstract h4 {
    font-size: 15px;
    font-weight: 600;
    color: #334155;
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.reference-detail-abstract h4 i {
    color: #94a3b8;
}

.reference-detail-abstract p {
    font-size: 14px;
    line-height: 1.7;
    color: #475569;
    margin: 0;
}

.reference-detail-doi {
    padding: 12px 16px;
    background: #eff6ff;
    border-left: 4px solid #3b82f6;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}

.reference-detail-doi strong {
    color: #1e40af;
    margin-right: 8px;
}

.reference-detail-doi a {
    color: #3b82f6;
    text-decoration: none;
}

.reference-detail-doi a:hover {
    text-decoration: underline;
}

.reference-detail-citations {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: #d1fae5;
    border-left: 4px solid #10b981;
    border-radius: 4px;
    font-size: 14px;
    color: #047857;
    margin-bottom: 20px;
}

.reference-detail-citations strong {
    color: #065f46;
}

.reference-detail-actions {
    display: flex;
    gap: 10px;
    padding: 20px 28px;
    border-top: 1px solid #e5e7eb;
    background: #f9fafb;
    border-radius: 0 0 16px 16px;
}

.ref-detail-btn {
    flex: 1;
    padding: 12px 20px;
    border: 1px solid #d1d5db;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
}

.ref-detail-btn:hover {
    background: linear-gradient(135deg, #f3f4f6, #e5e7eb);
    border-color: #9ca3af;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.ref-detail-btn-primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
    border-color: #3b82f6;
}

.ref-detail-btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* 美化滚动条 */
.reference-detail-card::-webkit-scrollbar {
    width: 8px;
}

.reference-detail-card::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.reference-detail-card::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.reference-detail-card::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .reference-floating-panel {
        right: 10px;
        bottom: 70px;
        width: calc(100% - 20px);
        max-width: 400px;
    }

    .reference-section {
        padding: 20px 16px;
    }

    .reference-item {
        flex-direction: column;
    }

    .reference-actions {
        flex-direction: row;
    }
}
