/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* Header */
header {
    background: #2c3e50;
    color: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

nav {
    display: flex;
    gap: 1rem;
    align-items: center;
    font-size: 0.9rem;
}

nav a {
    color: white;
    text-decoration: none;
}

nav button {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
}

nav button:hover {
    background: #2980b9;
}

/* Main content */
main {
    max-width: 1600px;
    margin: 2rem auto;
    padding: 0 2rem;
}

section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* Papers table */
.papers-table {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
}

thead {
    background: #ecf0f1;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: #555;
}

.paper-row {
    cursor: pointer;
    transition: background 0.2s;
}

.paper-row:hover {
    background: #f8f9fa;
}

.paper-row a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 500;
}

.paper-row a:hover {
    color: #3498db;
}

/* Status indicators */
.score {
    font-weight: bold;
    font-size: 1.1rem;
}

.supported {
    color: #27ae60;
    font-weight: bold;
}

.unsupported {
    color: #e74c3c;
    font-weight: bold;
}

.uncertain {
    color: #f39c12;
    font-weight: bold;
}

/* Scorecard */
.scorecard {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
}

.score-display {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.score-main {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-value {
    font-size: 3rem;
    font-weight: bold;
}

.score-label {
    font-size: 1rem;
    opacity: 0.9;
}

.score-breakdown {
    display: flex;
    gap: 2rem;
    flex: 1;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
}

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

/* Evidence Basis Breakdown */
.evidence-basis-section {
    background: white;
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.evidence-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.evidence-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    gap: 0.5rem;
}

.evidence-badge {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    color: white;
}

.evidence-badge.data {
    background: #3498db;
}

.evidence-badge.citation {
    background: #9b59b6;
}

.evidence-badge.knowledge {
    background: #1abc9c;
}

.evidence-badge.inference {
    background: #e67e22;
}

.evidence-badge.speculation {
    background: #95a5a6;
}

.evidence-metrics {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.evidence-count {
    font-size: 2rem;
    font-weight: bold;
    color: #2c3e50;
}

.evidence-score {
    font-size: 1.1rem;
    font-weight: 600;
    color: #27ae60;
    background: #eafaf1;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
}

.evidence-description {
    font-size: 0.85rem;
    color: #666;
    text-align: center;
}

/* Claims */
.claim-card {
    border-left: 4px solid #ddd;
    padding: 1rem;
    margin-bottom: 1rem;
    background: #f9f9f9;
    border-radius: 4px;
}

.claim-card.supported {
    border-left-color: #27ae60;
    background: #eafaf1;
}

.claim-card.unsupported {
    border-left-color: #e74c3c;
    background: #fadbd8;
}

.claim-card.uncertain {
    border-left-color: #f39c12;
    background: #fef5e7;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.supported .status-badge {
    background: #27ae60;
    color: white;
}

.unsupported .status-badge {
    background: #e74c3c;
    color: white;
}

.uncertain .status-badge {
    background: #f39c12;
    color: white;
}

.badge-container {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.evidence-basis-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.evidence-basis-badge.data {
    background: #3498db;
    color: white;
}

.evidence-basis-badge.citation {
    background: #9b59b6;
    color: white;
}

.evidence-basis-badge.knowledge {
    background: #1abc9c;
    color: white;
}

.evidence-basis-badge.inference {
    background: #e67e22;
    color: white;
}

.evidence-basis-badge.speculation {
    background: #95a5a6;
    color: white;
}

.claim-text {
    font-weight: 500;
    margin: 0.5rem 0;
    font-size: 1.05rem;
}

.source-text {
    margin: 0.5rem 0;
    padding: 0.75rem;
    background: white;
    border-left: 3px solid #3498db;
    font-style: italic;
    color: #555;
}

.evidence {
    margin-top: 0.5rem;
    font-size: 0.9rem;
    color: #666;
}

/* Form styles */
.form-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid #ecf0f1;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    border-bottom: 3px solid transparent;
    transition: all 0.2s;
}

.tab-btn.active {
    border-bottom-color: #3498db;
    color: #3498db;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="url"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.85rem;
}

.file-drop-area {
    border: 2px dashed #3498db;
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: #f8f9fa;
}

.file-drop-area:hover {
    background: #e9ecef;
    border-color: #2980b9;
}

.file-drop-area.drag-over {
    background: #d6eaf8;
    border-color: #2980b9;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.form-actions button {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

#submit-btn {
    background: #27ae60;
    color: white;
}

#submit-btn:hover {
    background: #229954;
}

#submit-btn:disabled {
    background: #95a5a6;
    cursor: not-allowed;
}

#cancel-btn {
    background: #95a5a6;
    color: white;
}

#cancel-btn:hover {
    background: #7f8c8d;
}

.error {
    background: #fadbd8;
    color: #c0392b;
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}

.spinner {
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 1rem auto;
}

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

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: #666;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    main {
        padding: 0 1rem;
    }

    section {
        padding: 1rem;
    }

    table {
        font-size: 0.9rem;
    }

    th, td {
        padding: 0.5rem;
    }

    .score-display {
        flex-direction: column;
    }

    .score-breakdown {
        flex-wrap: wrap;
    }
}

/* Three-column claims network layout */
.claims-network-container {
    position: relative;
    width: 100%;
    min-height: 600px;
}

.claims-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.claims-column h4 {
    text-align: center;
    padding: 0.75rem;
    background: #ecf0f1;
    border-radius: 4px 4px 0 0;
    margin: 0 0 1rem 0;
    font-size: 1rem;
    color: #2c3e50;
    position: sticky;
    top: 0;
    z-index: 10;
}

.claims-column-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Claim box styles */
.claim-box {
    position: relative;
    padding: 1rem;
    border: 2px solid #ddd;
    border-radius: 6px;
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.claim-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
    border-color: #3498db;
}

.claim-box.greyed-out {
    opacity: 0.4;
    background: #f9f9f9;
}

.claim-box.greyed-out:hover {
    opacity: 0.7;
}

.claim-box.highlighted {
    border-color: #3498db;
    background: #e3f2fd;
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.claim-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.claim-id-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.5rem;
    background: #95a5a6;
    color: white;
    border-radius: 3px;
}

.claim-badges {
    display: flex;
    gap: 0.5rem;
}

.claim-status-badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-weight: 600;
    text-transform: uppercase;
}

.claim-status-badge.supported {
    background: #27ae60;
    color: white;
}

.claim-status-badge.unsupported {
    background: #e74c3c;
    color: white;
}

.claim-status-badge.uncertain {
    background: #f39c12;
    color: white;
}

.claim-evidence-badge {
    font-size: 0.7rem;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-weight: 600;
}

.claim-evidence-badge.data {
    background: #3498db;
    color: white;
}

.claim-evidence-badge.citation {
    background: #9b59b6;
    color: white;
}

.claim-evidence-badge.knowledge {
    background: #1abc9c;
    color: white;
}

.claim-evidence-badge.inference {
    background: #e67e22;
    color: white;
}

.claim-evidence-badge.speculation {
    background: #e74c3c;
    color: white;
}

.claim-text-truncated {
    font-size: 0.9rem;
    line-height: 1.4;
    color: #333;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}

/* SVG connections overlay */
.claims-connections-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.claim-connection-line {
    stroke: #95a5a6;
    stroke-width: 2;
    fill: none;
    opacity: 0.6;
    transition: all 0.2s ease;
}

.claim-connection-line.highlighted {
    stroke: #3498db;
    stroke-width: 3;
    opacity: 1;
}

.claim-connection-arrow {
    fill: #95a5a6;
    opacity: 0.6;
    transition: all 0.2s ease;
}

.claim-connection-arrow.highlighted {
    fill: #3498db;
    opacity: 1;
}

/* Claim detail modal */
.claim-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.claim-modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 8px;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.claim-modal-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.claim-modal-close:hover,
.claim-modal-close:focus {
    color: #000;
}

.claim-modal-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #ecf0f1;
}

.claim-modal-section {
    margin-bottom: 1.5rem;
}

.claim-modal-section h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.claim-modal-section p {
    color: #555;
    line-height: 1.6;
}

.claim-modal-references {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    border-left: 4px solid #3498db;
}

.claim-modal-references ul {
    list-style: none;
    padding-left: 0;
}

.claim-modal-references li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #dee2e6;
}

.claim-modal-references li:last-child {
    border-bottom: none;
}

/* ============================================================================
   NEW STYLES FOR REFACTORED FRONTEND
   ============================================================================ */

/* Agreement badges (for list view) */
.agree-badge, .partial-badge, .disjoint-badge, .disagree-badge, .na-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

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

.partial-badge {
    background: #d1ecf1;
    color: #0c5460;
}

.disjoint-badge {
    background: #fff3cd;
    color: #856404;
}

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

.na-badge {
    background: #e2e3e5;
    color: #6c757d;
}

/* Paper overview section */
.paper-overview {
    margin-bottom: 2rem;
}

.paper-metadata {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 4px;
}

.paper-metadata p {
    margin: 0.5rem 0;
}

.paper-abstract {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 4px;
    border-left: 4px solid #3498db;
}

.paper-abstract h3 {
    margin: 0 0 1rem 0;
    color: #2c3e50;
    font-size: 1.1rem;
}

.paper-abstract p {
    line-height: 1.7;
    color: #555;
    margin: 0;
}

/* Summary stats grid */
.summary-stats {
    margin-bottom: 2rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.stat-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border: 2px solid #e9ecef;
    transition: all 0.2s ease;
}

.stat-card.clickable {
    cursor: pointer;
}

.stat-card.clickable:hover {
    background: #e9ecef;
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.stat-card.clickable.active {
    background: #d6eaf8;
    border-color: #3498db;
    border-width: 3px;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.stat-label {
    font-size: 0.9rem;
    color: #666;
    margin-top: 0.5rem;
}

.stat-hint {
    font-size: 0.75rem;
    color: #999;
    margin-top: 0.25rem;
    font-style: italic;
}

/* Section descriptions */
.section-description {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* Collapsible sections wrapper */
.collapsible-section {
    background: transparent;
    padding: 0;
    margin-bottom: 1rem;
    box-shadow: none;
}

/* Claims section */
.claims-section, .results-section, .comparison-section {
    margin-bottom: 2rem;
}

.claim-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: box-shadow 0.2s;
}

.claim-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.claim-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.claim-id {
    font-weight: bold;
    color: #2c3e50;
    font-size: 1.1rem;
}

.claim-type-badge {
    background: #6c757d;
    color: white;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}

.claim-text {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.6;
    color: #2c3e50;
}

.source-text {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-left: 4px solid #3498db;
    font-style: italic;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.5;
}

.evidence-info {
    margin-top: 1rem;
    font-size: 0.95rem;
}

.reasoning-text {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-left: 4px solid #9b59b6;
    font-size: 0.95rem;
    line-height: 1.5;
    color: #555;
}

.toggle-button {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    transition: background 0.2s;
}

.toggle-button:hover {
    background: #2980b9;
}

/* Results cards */
.result-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.result-id {
    font-weight: bold;
    color: #2c3e50;
    font-size: 1.1rem;
}

.status-badge {
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

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

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

.status-uncertain {
    background: #fff3cd;
    color: #856404;
}

.claim-ids {
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.result-claims-section {
    margin-bottom: 1rem;
}

.result-claims-section strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-size: 0.9rem;
}

/* Comparison table */
.comparison-container {
    max-height: 600px;
    overflow: auto;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-table th {
    background: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.comparison-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-row {
    cursor: pointer;
    transition: background 0.2s;
}

.comparison-row:hover {
    background: #f8f9fa;
}

.comparison-row.expanded {
    background: #e3f2fd;
}

.comparison-detail-row {
    background: #f8f9fa;
    border-top: 2px solid #3498db;
}

.comparison-detail-row td {
    padding: 0;
}

.comparison-detail-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 1.5rem;
}

.result-detail-side {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    border: 2px solid #e0e0e0;
}

.result-detail-side h4 {
    margin: 0 0 1rem 0;
    color: #2c3e50;
    font-size: 1.1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #3498db;
}

.result-detail-field {
    margin-bottom: 1rem;
}

.result-detail-field strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-size: 0.9rem;
}

.reasoning-box {
    background: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid #9b59b6;
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
    margin-top: 0.5rem;
}

.result-text-box {
    background: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
    margin-top: 0.5rem;
}

.claims-table-container {
    max-height: 200px;
    overflow-y: auto;
    margin-top: 0.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
}

.claims-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.claims-table tbody tr {
    border-bottom: 1px solid #f0f0f0;
}

.claims-table tbody tr:last-child {
    border-bottom: none;
}

.claims-table tbody tr:hover {
    background: #f8f9fa;
}

.claim-id-cell {
    padding: 0.5rem;
    font-weight: 600;
    color: #666;
    width: 120px;
    vertical-align: top;
    font-size: 0.85rem;
}

.claim-text-cell {
    padding: 0.5rem;
    color: #333;
    line-height: 1.5;
}

.claims-table-container::-webkit-scrollbar {
    width: 6px;
}

.claims-table-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.claims-table-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.claims-table-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.agreement-badge {
    display: inline-block;
    padding: 0.3rem 0.7rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 600;
}

.agreement-agree {
    background: #d4edda;
    color: #155724;
}

.agreement-disjoint {
    background: #fff3cd;
    color: #856404;
}

.agreement-disagree {
    background: #f8d7da;
    color: #721c24;
}

.expand-button {
    background: #6c757d;
    color: white;
    border: none;
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    cursor: pointer;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.expand-button:hover {
    background: #5a6268;
}

/* Error and no-data messages */
.no-data {
    color: #666;
    font-style: italic;
    text-align: center;
    padding: 2rem;
}

#error {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    border-left: 4px solid #721c24;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .claim-header, .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .comparison-table {
        font-size: 0.85rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.5rem;
    }

    .comparison-detail-container {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem;
    }
}

/* Collapsible sections */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.section-header h3 {
    margin: 0;
}

.collapse-toggle {
    background: #6c757d;
    color: white;
    border: none;
    padding: 0.4rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: background 0.2s;
}

.collapse-toggle:hover {
    background: #5a6268;
}

/* Collapsible content */
.collapsible-content {
    transition: all 0.3s ease;
    overflow: hidden;
}

.collapsible-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin: 0;
    padding: 0;
}

.collapsible-content.expanded {
    max-height: 600px;
    overflow-y: auto;
    opacity: 1;
    padding: 0;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-top: 1rem;
}

/* Scrollbar styling for collapsed content */
.collapsible-content.expanded::-webkit-scrollbar {
    width: 8px;
}

.collapsible-content.expanded::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.collapsible-content.expanded::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.collapsible-content.expanded::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Results tables (LLM and Peer) */
.results-table {
    width: calc(100% - 4rem);
    margin: 2rem;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.results-table th {
    background: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.results-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.results-table tr:last-child td {
    border-bottom: none;
}

.result-row {
    cursor: pointer;
    transition: background 0.2s;
}

.result-row:hover {
    background: #f8f9fa;
}

.result-row.expanded {
    background: #e3f2fd;
}

.result-detail-row {
    background: #f8f9fa;
    border-top: 2px solid #3498db;
}

.result-detail-row td {
    padding: 0;
}

.result-detail-container {
    padding: 1.5rem;
}

.result-detail-container .result-detail-field {
    margin-bottom: 1rem;
}

.result-detail-container .result-detail-field strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-size: 0.9rem;
}

.reasoning-cell {
    max-width: 500px;
    font-size: 0.9rem;
    line-height: 1.4;
    color: #555;
}

/* Claims list table */
.claims-list-table {
    width: calc(100% - 4rem);
    margin: 2rem;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.claims-list-table th {
    background: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    position: sticky;
    top: 0;
    z-index: 10;
}

.claims-list-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.claims-list-table tr:last-child td {
    border-bottom: none;
}

.claim-list-row {
    cursor: pointer;
    transition: background 0.2s;
}

.claim-list-row:hover {
    background: #f8f9fa;
}

.claim-list-row.expanded {
    background: #e3f2fd;
}

.claim-detail-row {
    background: #f8f9fa;
    border-top: 2px solid #3498db;
}

.claim-detail-row td {
    padding: 0;
}

.claim-detail-container {
    padding: 1.5rem;
}

.claim-detail-container .claim-detail-field {
    margin-bottom: 1rem;
}

.claim-detail-container .claim-detail-field:last-child {
    margin-bottom: 0;
}

.claim-detail-container .claim-detail-field strong {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-size: 0.9rem;
}

.claim-full-text {
    background: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    font-size: 1rem;
    line-height: 1.6;
    color: #2c3e50;
}

.source-text-box {
    background: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
    font-style: italic;
}

.evidence-type-cell {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.evidence-type-tag {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    background: #6c757d;
    color: white;
}

.evidence-type-tag:nth-child(1) {
    background: #3498db;
}

.evidence-type-tag:nth-child(2) {
    background: #9b59b6;
}

.evidence-type-tag:nth-child(3) {
    background: #1abc9c;
}

.evidence-type-tag:nth-child(4) {
    background: #e67e22;
}

.evidence-type-tag:nth-child(5) {
    background: #95a5a6;
}

/* Pagination Controls */
#pagination-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.pagination-info {
    font-size: 0.95rem;
    color: #555;
    font-weight: 500;
}

.pagination-info span {
    font-weight: 600;
    color: #2c3e50;
}

.pagination-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pagination-buttons button {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.pagination-buttons button:hover:not(:disabled) {
    background: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.pagination-buttons button:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    opacity: 0.6;
}

#page-info {
    font-size: 0.9rem;
    color: #555;
    font-weight: 500;
}

#page-info #current-page {
    font-weight: 700;
    color: #2c3e50;
    font-size: 1.1rem;
}

/* Responsive pagination */
@media (max-width: 768px) {
    #pagination-controls {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .pagination-info {
        text-align: center;
        font-size: 0.85rem;
    }

    .pagination-buttons {
        width: 100%;
        justify-content: center;
    }

    .pagination-buttons button {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* ============================================================================
   SEARCH PAGE STYLES
   ============================================================================ */

/* Search container */
.search-container {
    max-width: 1000px;
    margin: 0 auto;
}

.search-container h1 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.search-description {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Search form */
.search-form {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.search-input-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

#search-query {
    flex: 1;
    padding: 1rem;
    font-size: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    transition: border-color 0.2s;
}

#search-query:focus {
    outline: none;
    border-color: #3498db;
}

.primary-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-btn:hover {
    background: #2980b9;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.primary-btn:active {
    transform: translateY(0);
}

.search-options {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #555;
}

.search-options label {
    font-weight: 500;
}

.search-options select {
    padding: 0.5rem;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
}

/* Loading state */
.loading-state {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.loading-state p {
    margin-top: 1rem;
    color: #666;
    font-size: 1rem;
}

/* Error state */
.error-state {
    background: #fadbd8;
    color: #c0392b;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #c0392b;
}

.error-message {
    margin: 0;
    font-size: 1rem;
}

/* Results container */
#search-results {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.results-header {
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.results-header h2 {
    font-size: 1.75rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.results-meta {
    color: #666;
    font-size: 1rem;
}

#query-display {
    font-weight: 600;
    color: #3498db;
}

#result-count {
    font-weight: 700;
    color: #2c3e50;
}

/* Result cards */
#results-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.result-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.2s;
}

.result-card:hover {
    border-color: #3498db;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.result-rank {
    font-size: 1.25rem;
    font-weight: 700;
    color: #95a5a6;
}

.result-similarity {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.95rem;
}

.similarity-high {
    background: #d4edda;
    color: #155724;
}

.similarity-medium {
    background: #fff3cd;
    color: #856404;
}

.similarity-low {
    background: #f8d7da;
    color: #721c24;
}

.result-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.claim-content h3.claim-text {
    font-size: 1.1rem;
    color: #2c3e50;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.claim-metadata {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.claim-type-badge,
.evidence-type-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.claim-type-badge {
    background: #6c757d;
    color: white;
}

.evidence-type-badge {
    background: #3498db;
    color: white;
}

.claim-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.detail-section h4 {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.detail-section .source-text {
    background: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid #3498db;
    border-radius: 4px;
    font-style: italic;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
}

.detail-section .evidence-reasoning {
    background: #f8f9fa;
    padding: 1rem;
    border-left: 4px solid #9b59b6;
    border-radius: 4px;
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
}

.result-footer {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #e0e0e0;
}

.view-manuscript-link {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.view-manuscript-link:hover {
    color: #2980b9;
    text-decoration: underline;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.empty-state svg {
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: #666;
    font-size: 1rem;
}

/* No results */
.no-results {
    text-align: center;
    padding: 3rem 2rem;
}

.no-results p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 0.5rem;
}

.no-results .hint {
    font-size: 0.95rem;
    color: #999;
    font-style: italic;
}

/* Home page summary statistics */
.summary-stats-home {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.stat-box {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.stat-box:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-4px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}

.summary-stats-home .stat-value {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.summary-stats-home .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    line-height: 1.3;
}

.stat-sublabel {
    font-size: 0.75rem;
    display: block;
    margin-top: 0.25rem;
    opacity: 0.85;
}

/* DataTables styling overrides */
.dataTables_wrapper {
    padding: 1rem 0;
    overflow-x: auto;
}

.dataTables_wrapper .dataTable {
    min-width: 100%;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
    margin-bottom: 1rem;
}

.dataTables_wrapper .dataTables_filter input {
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    padding: 0.5rem 1rem;
    margin-left: 0.5rem;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.dataTables_wrapper .dataTables_filter input:focus {
    outline: none;
    border-color: #3498db;
}

.dataTables_wrapper .dataTables_length select {
    border: 2px solid #e0e0e0;
    border-radius: 4px;
    padding: 0.4rem 0.8rem;
    margin: 0 0.5rem;
    font-size: 0.95rem;
    cursor: pointer;
}

.dataTables_wrapper .dataTables_info {
    padding-top: 1rem;
    font-size: 0.95rem;
    color: #555;
}

.dataTables_wrapper .dataTables_paginate {
    padding-top: 1rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    padding: 0.4rem 0.8rem;
    margin: 0 2px;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    background: white;
    color: #2c3e50 !important;
    cursor: pointer;
    transition: all 0.2s;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background: #3498db;
    border-color: #3498db;
    color: white !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: #3498db;
    border-color: #3498db;
    color: white !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.disabled:hover {
    background: white;
    border-color: #e0e0e0;
    color: #2c3e50 !important;
}

/* DataTables table styling */
table.dataTable {
    border-collapse: collapse !important;
}

table.dataTable thead th {
    cursor: pointer;
    position: relative;
    padding-right: 30px !important;
}

table.dataTable thead th.sorting:after,
table.dataTable thead th.sorting_asc:after,
table.dataTable thead th.sorting_desc:after {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    opacity: 0.5;
    font-size: 0.8em;
}

table.dataTable thead th.sorting_asc,
table.dataTable thead th.sorting_desc {
    background: #d6eaf8;
}

/* Responsive design for search page */
@media (max-width: 768px) {
    .search-container h1 {
        font-size: 1.5rem;
    }

    .search-form {
        padding: 1.5rem;
    }

    .search-input-container {
        flex-direction: column;
    }

    #search-query {
        font-size: 1rem;
    }

    .primary-btn {
        width: 100%;
        padding: 1rem;
    }

    .result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .result-rank {
        font-size: 1rem;
    }

    .result-similarity {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
}

/* Disable DataTables column hover highlighting */
table.dataTable tbody tr:hover td,
table.dataTable tbody tr:hover th {
    background-color: inherit !important;
}

table.dataTable.hover tbody tr:hover,
table.dataTable.display tbody tr:hover {
    background-color: inherit !important;
}

table.dataTable.stripe tbody tr.odd,
table.dataTable.display tbody tr.odd {
    background-color: #f9f9f9;
}

table.dataTable.stripe tbody tr.even,
table.dataTable.display tbody tr.even {
    background-color: white;
}

table.dataTable.stripe tbody tr.odd:hover,
table.dataTable.display tbody tr.odd:hover {
    background-color: #f9f9f9 !important;
}

table.dataTable.stripe tbody tr.even:hover,
table.dataTable.display tbody tr.even:hover {
    background-color: white !important;
}