:root {
    --momac-primary: #2bb7b3;
    --momac-primary-dark: #0a7d79;
    --momac-secondary: #ed6c00;
    --momac-dark: #051f2d;
    --momac-surface: #ffffff;
    --momac-surface-soft: #f4fbfb;
    --momac-border: rgba(7, 33, 45, 0.08);
    --momac-gradient: linear-gradient(135deg, rgba(7, 33, 45, 0.9), rgba(32, 120, 143, 0.85));
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f7fb;
    color: #183446;
    line-height: 1.6;
    scroll-behavior: smooth;
}

main {
    background: radial-gradient(circle at top right, rgba(43, 183, 179, 0.08), transparent 45%),
                radial-gradient(circle at bottom left, rgba(7, 33, 45, 0.06), transparent 50%);
}

section {
    scroll-margin-top: 110px;
}

.navbar {
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    background-color: rgba(5, 31, 45, 0.92) !important;
}

.navbar .nav-link {
    position: relative;
    transition: color 0.2s ease;
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 2px;
    background: var(--momac-primary);
    transition: width 0.2s ease;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
    color: var(--momac-primary) !important;
}

.navbar .nav-link:hover::after,
.navbar .nav-link.active::after {
    width: 100%;
}

.brand-icon {
    width: 120px;
    height: 40px;
}

.hero-section {
    background: var(--momac-gradient), url('https://images.unsplash.com/photo-1582719478250-c89cae4dc85b?auto=format&fit=crop&w=1600&q=80') center/cover;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(5, 31, 45, 0.2);
}

.hero-section .container,
.hero-section .row,
.hero-section .col-lg-7,
.hero-section .col-lg-5 {
    position: relative;
    z-index: 1;
}

.glass-card {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(7, 33, 45, 0.18);
}

.stat-card {
    background: rgba(255, 255, 255, 0.18);
    border-radius: 16px;
    padding: 20px 22px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.85;
}

.feature-list li + li {
    margin-top: 0.75rem;
}

.section-heading h2 {
    font-size: 2rem;
}

.icon-card {
    display: flex;
    gap: 14px;
    padding: 14px;
    background: var(--momac-surface-soft);
    border-radius: 14px;
    border: 1px solid var(--momac-border);
    height: 100%;
}

.icon-card i {
    font-size: 1.8rem;
}

.dataset-toggle .toggle-btn {
    min-width: 72px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border: 1px solid var(--momac-primary);
    color: var(--momac-primary);
    background-color: rgba(43, 183, 179, 0.08);
    transition: all 0.2s ease;
}

.dataset-toggle .toggle-btn.active,
.dataset-toggle .toggle-btn:focus,
.dataset-toggle .toggle-btn:hover {
    color: #ffffff;
    background-color: var(--momac-primary);
    border-color: var(--momac-primary);
    box-shadow: 0 10px 25px rgba(43, 183, 179, 0.28);
}

.dataset-toggle .toggle-btn:focus-visible {
    outline: 3px solid rgba(43, 183, 179, 0.35);
    outline-offset: 2px;
}

.autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    max-height: 260px;
    overflow-y: auto;
    border-radius: 14px;
    border: 1px solid var(--momac-border);
    background: #ffffff;
    box-shadow: 0 18px 40px rgba(7, 33, 45, 0.12);
    display: none;
    z-index: 1050;
}

.autocomplete-dropdown .list-group-item {
    border: none;
    border-bottom: 1px solid rgba(7, 33, 45, 0.05);
    font-size: 0.95rem;
}

.autocomplete-dropdown .list-group-item:last-child {
    border-bottom: none;
    border-radius: 0 0 14px 14px;
}

.autocomplete-dropdown .list-group-item:first-child {
    border-radius: 14px 14px 0 0;
}

.autocomplete-dropdown .list-group-item.active,
.autocomplete-dropdown .list-group-item:hover {
    background: rgba(43, 183, 179, 0.12);
    color: var(--momac-primary-dark);
}

.autocomplete-loading {
    position: absolute;
    top: calc(100% + 4px);
    right: 12px;
    padding: 10px;
    background: #ffffff;
    border-radius: 50px;
    border: 1px solid rgba(43, 183, 179, 0.3);
    box-shadow: 0 10px 30px rgba(7, 33, 45, 0.12);
    z-index: 1050;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 220px;
}

.results-content-wrapper {
    min-height: 400px;
    position: relative;
    contain: layout;
}

.results-table-container {
    border-radius: 16px;
    border: 1px solid var(--momac-border);
    background: var(--momac-surface);
    padding: 0;
    height: auto;
    max-height: min(800px, 80vh);
    min-height: 500px;
    display: flex;
    flex-direction: column;
    position: relative;
    contain: layout;
    overflow: hidden;
}

/* 防止表格容器出现滚动条重叠 */
.results-table-container .table-responsive {
    flex: 1;
    overflow-x: auto;
    overflow-y: auto;
    max-height: min(650px, calc(80vh - 150px));
    min-height: 400px;
    border-radius: 0;
}

/* 改进表格的滚动行为 */
.results-table-container .table-responsive::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.results-table-container .table-responsive::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.results-table-container .table-responsive::-webkit-scrollbar-thumb {
    background: var(--momac-primary);
    border-radius: 4px;
}

.results-table-container .table-responsive::-webkit-scrollbar-thumb:hover {
    background: var(--momac-primary-dark);
}

#results-table {
    min-width: 1100px;
    margin-bottom: 0;
    table-layout: auto;
}

/* 确保表格头部在滚动时保持可见 */
#results-table thead th {
    position: sticky;
    top: 0;
    -webkit-backdrop-filter: blur(8px);
    background: rgba(245, 247, 251, 0.98);
    backdrop-filter: blur(8px);
    cursor: default;
    -webkit-user-select: none;
    user-select: none;
    z-index: 10;
    white-space: nowrap;
    padding: 0.75rem 0.5rem;
}

/* 确保表格单元格内容不会溢出 */
#results-table td {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0.75rem 0.5rem;
}

/* 让某些列可以换行显示更多内容 */
#results-table td:nth-child(1), 
#results-table td:nth-child(2), 
#results-table td:nth-child(3) {
    white-space: normal;
    word-break: break-word;
    max-width: 150px;
}

/* 优化表格行高 */
#results-table tbody tr {
    height: auto;
    min-height: 40px;
}

#results-table td {
    padding: 0.5rem 0.4rem;
    vertical-align: middle;
    line-height: 1.3;
}

#results {
    scroll-margin-top: 110px;
    contain: layout style;
    position: relative;
}

.results-panel {
    position: relative;
    will-change: auto;
    transform: translateZ(0); /* Create stacking context */
}

.results-header {
    position: relative;
    z-index: 2;
}

.results-filter-bar {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--momac-border);
    border-radius: 14px;
    padding: 0.75rem 1rem;
    box-shadow: 0 12px 30px rgba(7, 33, 45, 0.04);
}

.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    min-height: 2.25rem;
}

.active-filters .placeholder-text {
    color: #6c8491;
    font-size: 0.9rem;
}

.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    background: var(--momac-surface-soft);
    border: 1px solid var(--momac-border);
    font-size: 0.85rem;
    color: var(--momac-primary-dark);
    font-weight: 500;
}

.filter-pill-label {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    color: rgba(5, 31, 45, 0.7);
    position: relative;
}

.filter-pill-label::after {
    content: ':';
    margin-left: 0.3rem;
    color: rgba(5, 31, 45, 0.45);
    font-weight: 400;
}

.filter-pill-value {
    font-weight: 600;
    color: var(--momac-dark);
}

.starter-state {
    border: 1px dashed rgba(43, 183, 179, 0.35);
    background: rgba(255, 255, 255, 0.92);
    border-radius: 16px;
    padding: 2.25rem 1.5rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: #4d6575;
}

.starter-state p {
    max-width: 560px;
}

.starter-state .fw-semibold {
    color: var(--momac-dark);
}

.results-panel .badge {
    font-size: 0.95rem;
    letter-spacing: 0.02em;
}

.results-table-container .dt-container {
    padding: 1rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    min-height: 500px;
}

.results-table-container .dt-layout-row:first-child {
    display: none; /* Hide top layout row since we're not using it */
}

.results-table-container .dt-layout-row:not(:first-child) {
    display: none; /* Hide bottom layout row since pagination is external */
}

.results-table-container .dt-layout-table {
    flex: 1;
    overflow: auto;
    margin: 0.5rem 0;
    min-height: 400px;
    max-height: min(600px, calc(80vh - 200px));
}

/* Hide internal pagination and info since they're moved to external containers */
.results-table-container .dt-info {
    display: none !important;
}

.results-table-container .dt-paging {
    display: none !important;
}

/* Prevent scroll jump on pagination */
.results-table-container .dt-container {
    scroll-behavior: auto !important;
    position: relative;
    contain: layout;
}

.results-table-container .dt-paging {
    scroll-behavior: auto !important;
    position: relative;
}

.results-table-container .dt-paging .dt-paging-button {
    scroll-behavior: auto !important;
    position: relative;
}

/* Fix layout shifts during pagination */
.results-table-container.table-responsive {
    position: relative;
    contain: layout style size;
}

/* Stabilize table body during pagination */
#results-table tbody {
    position: relative;
    contain: style;
}

#results-table tbody tr:hover {
    background: rgba(43, 183, 179, 0.08);
}

/* Additional layout stabilization */
.dt-processing {
    position: absolute !important;
    z-index: 1001;
}

/* Ensure pagination controls stay in place */
.results-table-container .dt-paging {
    position: relative;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(255,255,255,0.9), white);
    padding: 1rem;
    border-top: 1px solid var(--momac-border);
    margin-top: auto;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 70px;
    border-radius: 0 0 16px 16px;
    box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
}

.wordcloud-container {
    position: relative;
    min-height: 420px;
    border-radius: 20px;
    padding: 24px;
    background: radial-gradient(circle at top left, rgba(43, 183, 179, 0.15), rgba(255, 255, 255, 0.85));
    border: 1px solid rgba(43, 183, 179, 0.2);
}

.wordcloud-display {
    min-height: 360px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 16px;
    border: 1px dashed rgba(43, 183, 179, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.wordcloud-display .placeholder {
    max-width: 520px;
    text-align: center;
    font-style: italic;
}

.wordcloud-svg {
    width: 100%;
    height: 100%;
}

#downloads {
    position: relative;
    contain: layout style;
    min-height: 60vh;
}

.download-card {
    background: var(--momac-surface);
    border-radius: 16px;
    border: 1px solid var(--momac-border);
    padding: 28px;
    box-shadow: 0 10px 30px rgba(7, 33, 45, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    will-change: transform;
}

.download-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(7, 33, 45, 0.12);
}

.download-card ul li + li {
    margin-top: 0.75rem;
}

.download-card a {
    font-weight: 600;
    text-decoration: none;
    color: var(--momac-primary);
}

.download-card a:hover {
    text-decoration: underline;
    color: var(--momac-primary-dark);
}

.footer-logo img {
    width: 104px;
    height: auto;
    filter: brightness(0) invert(1);
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

.footer-logo img:hover {
    opacity: 1;
}

.hidden {
    display: none !important;
}

@media (max-width: 992px) {
    .stat-card {
        margin-bottom: 12px;
    }

    .hero-section {
        text-align: center;
    }

    .icon-card {
        flex-direction: column;
        text-align: center;
    }

    .results-filter-bar {
        align-items: flex-start;
    }

    .results-table-container {
        max-height: min(700px, 75vh);
        min-height: 450px;
    }

    .results-table-container .table-responsive {
        max-height: min(550px, calc(75vh - 120px));
        min-height: 350px;
    }

    .results-table-container .dt-layout-table {
        max-height: min(500px, calc(75vh - 150px));
        min-height: 300px;
    }
}

@media (max-width: 576px) {
    .hero-section .display-5 {
        font-size: 2rem;
    }

    #results-table {
        font-size: 0.9rem;
        min-width: 900px;
    }

    .download-card {
        padding: 22px;
    }

    .filter-pill {
        width: 100%;
        justify-content: space-between;
    }

    .results-table-container {
        max-height: min(600px, 70vh);
        min-height: 400px;
    }

    .results-table-container .table-responsive {
        max-height: min(450px, calc(70vh - 100px));
        min-height: 300px;
    }

    .results-table-container .dt-layout-table {
        max-height: min(400px, calc(70vh - 130px));
        min-height: 250px;
    }

    .results-table-container .dt-container {
        padding: 0.75rem;
        min-height: 400px;
    }
}

/* Pagination container outside table */
.results-pagination-container {
    margin-top: 1rem;
    padding: 1rem 1.5rem;
    background: var(--momac-surface);
    border: 1px solid var(--momac-border);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.results-pagination-container .d-flex {
    align-items: center;
    gap: 1rem;
}

/* Style for DataTables info and pagination in external container */
#results-info-container {
    color: var(--momac-text-secondary);
    font-size: 0.875rem;
    margin: 0;
}

#results-paging-container .dt-paging {
    margin: 0;
    display: flex;
    gap: 0.25rem;
}

#results-paging-container .dt-paging-button {
    padding: 0.5rem 0.875rem;
    border: 1px solid var(--momac-border);
    background: var(--momac-surface);
    color: var(--momac-text);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    min-width: 2.5rem;
    text-align: center;
    cursor: pointer;
}

#results-paging-container .dt-paging-button:hover:not(.disabled) {
    background: var(--momac-primary);
    color: white;
    border-color: var(--momac-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(43, 183, 179, 0.2);
}

#results-paging-container .dt-paging-button.current {
    background: linear-gradient(135deg, var(--momac-primary) 0%, var(--momac-primary-dark) 100%);
    color: white;
    border-color: var(--momac-primary);
    box-shadow: 0 2px 6px rgba(43, 183, 179, 0.3);
}

#results-paging-container .dt-paging-button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: rgba(7, 33, 45, 0.05);
    border-color: transparent;
    box-shadow: none;
}

/* Responsive adjustments for pagination */
@media (max-width: 768px) {
    .results-pagination-container {
        padding: 0.75rem 1rem;
    }
    
    .results-pagination-container .d-flex {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    
    #results-info-container {
        text-align: center;
        order: 2;
    }
    
    #results-paging-container {
        order: 1;
    }
    
    #results-paging-container .dt-paging {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    #results-paging-container .dt-paging-button {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        min-width: 2.25rem;
    }
}

/* Archived Data Styles */
.archived-data-tree {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.archived-data-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 1.5rem;
}

.archived-data-meta .meta-divider {
    width: 4px;
    height: 4px;
    border-radius: 999px;
    background: rgba(7, 33, 45, 0.2);
}

.archive-details {
    border-left: 2px solid rgba(7, 33, 45, 0.08);
    padding-left: 1rem;
}

.archive-details summary {
    cursor: pointer;
    padding: 0.45rem 0;
    transition: color 0.2s ease, font-weight 0.2s ease;
    list-style: none;
}

.archive-details summary::marker,
.archive-cancer summary::marker {
    display: none;
}

.archive-details summary:hover,
.archive-cancer summary:hover {
    color: var(--momac-primary-dark);
}

.archive-details[open] > summary {
    color: var(--momac-primary);
    font-weight: 600;
}

.archive-cancer {
    margin-bottom: 0.75rem;
}

.archive-cancer summary {
    cursor: pointer;
    padding: 0.25rem 0;
    transition: color 0.2s ease, font-weight 0.2s ease;
    color: var(--momac-primary-dark);
}

.archive-cancer[open] > summary {
    color: var(--momac-primary);
    font-weight: 600;
}

.archive-file-list {
    max-height: 260px;
    overflow-y: auto;
    border: 1px solid var(--momac-border);
    border-radius: 10px;
    background: var(--momac-surface-soft);
    padding: 0.85rem;
}

.archive-file-list ul {
    margin: 0.35rem 0 0.75rem;
}

.archive-file-list ul:last-child {
    margin-bottom: 0;
}

.archive-file-list a {
    color: var(--momac-primary-dark);
    font-weight: 500;
}

.archive-file-list a:hover {
    color: var(--momac-primary);
    text-decoration: underline;
}

.archive-file-list::-webkit-scrollbar {
    width: 6px;
}

.archive-file-list::-webkit-scrollbar-track {
    background: transparent;
}

.archive-file-list::-webkit-scrollbar-thumb {
    background: rgba(7, 33, 45, 0.2);
    border-radius: 3px;
}

.archive-file-list::-webkit-scrollbar-thumb:hover {
    background: rgba(7, 33, 45, 0.3);
}