* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    max-width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background: #2c3e50;
    color: white;
    padding: 1.5rem 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.search-container {
    max-width: 500px;
}

#searchBox {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    outline: none;
}

#searchBox:focus {
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 400px;
    background: white;
    border-right: 1px solid #ddd;
    overflow-y: auto;
    padding: 1rem;
}

.tree-container {
    user-select: none;
}

.detail-panel {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background: #fafafa;
}

.placeholder {
    text-align: center;
    margin-top: 4rem;
    color: #7f8c8d;
}

.placeholder h2 {
    margin-bottom: 1rem;
    color: #34495e;
}

/* Tree Styles */
.tree-node {
    margin: 0.25rem 0;
}

.tree-label {
    display: flex;
    align-items: center;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s;
}

.tree-label:hover {
    background: #ecf0f1;
}

.tree-label.active {
    background: #3498db;
    color: white;
}

.tree-label.has-children::before {
    content: '▶';
    display: inline-block;
    margin-right: 0.5rem;
    font-size: 0.7rem;
    transition: transform 0.2s;
}

.tree-label.expanded::before {
    transform: rotate(90deg);
}

.tree-label.leaf::before {
    content: '•';
    margin-right: 0.5rem;
    font-size: 1rem;
}

/* Level-based styling */
.tree-node.level-0 > .tree-label {
    font-weight: 700;
    font-size: 1.1rem;
    color: #2c3e50;
    background: #ecf0f1;
}

.tree-node.level-1 > .tree-label {
    font-weight: 600;
    font-size: 1rem;
    color: #34495e;
}

.tree-node.level-2 > .tree-label {
    font-weight: 500;
    font-size: 0.95rem;
    color: #7f8c8d;
}

.tree-node.level-3 > .tree-label {
    font-weight: 400;
    font-size: 0.9rem;
    color: #95a5a6;
}

.tree-children {
    margin-left: 1.2rem;
    border-left: 2px solid #ecf0f1;
    padding-left: 0.5rem;
    display: none;
    overflow: hidden;
}

.tree-children.expanded {
    display: block;
    animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 2000px;
    }
}

/* Detail Panel Styles */
.condition-detail {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 900px;
    margin: 0 auto;
}

.condition-detail h2 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.breadcrumb {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.breadcrumb span {
    margin: 0 0.25rem;
}

.section {
    margin-bottom: 2rem;
}

.section h3 {
    color: #34495e;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    border-bottom: 2px solid #3498db;
    padding-bottom: 0.5rem;
}

.section p {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.section ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.section li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.key-feature {
    background: #e8f5e9;
    border-left: 4px solid #4caf50;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.distinction {
    background: #fff3e0;
    border-left: 4px solid #ff9800;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.clinical-pearl {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.hidden {
    display: none;
}

/* Scrollbar styling */
.sidebar::-webkit-scrollbar,
.detail-panel::-webkit-scrollbar {
    width: 8px;
}

.sidebar::-webkit-scrollbar-track,
.detail-panel::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.sidebar::-webkit-scrollbar-thumb,
.detail-panel::-webkit-scrollbar-thumb {
    background: #bdc3c7;
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover,
.detail-panel::-webkit-scrollbar-thumb:hover {
    background: #95a5a6;
}

/* V3 Graph-based Styles */

/* Tree node styles */
.tree-node {
    margin: 0.5rem 0;
}

.node-header {
    display: flex;
    align-items: center;
    padding: 0.6rem;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s;
}

.node-header:hover {
    background: #ecf0f1;
}

.tree-node.selected > .node-header {
    background: #3498db;
    color: white;
}

.tree-node.expanded > .node-header {
    background: #e8f4f8;
}

.expand-icon {
    margin-right: 0.5rem;
    font-size: 0.8rem;
    color: #7f8c8d;
    transition: transform 0.2s, color 0.2s;
    cursor: pointer;
    padding: 0.25rem;
}

.expand-icon:hover {
    color: #3498db;
    transform: scale(1.2);
}

.node-title {
    flex: 1;
    cursor: pointer;
}

.node-title:hover {
    color: #3498db;
    text-decoration: underline;
}

.info-icon {
    margin-left: auto;
    font-size: 1.2rem;
    color: #3498db;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: transform 0.2s, color 0.2s;
    opacity: 0.7;
}

.info-icon:hover {
    opacity: 1;
    transform: translateX(3px);
    color: #2980b9;
}

.tree-node.selected .info-icon {
    color: white;
    opacity: 1;
}

/* System node */
.system-node > .node-header {
    font-weight: 700;
    font-size: 1.1rem;
    color: #2c3e50;
    background: #ecf0f1;
}

.system-node > .node-header:hover {
    background: #d5dbdb;
}

/* Category node */
.category-node {
    margin-left: 1rem;
}

.category-node > .node-header {
    font-weight: 600;
    font-size: 0.95rem;
    color: #34495e;
}

.categories-container {
    border-left: 2px solid #bdc3c7;
    margin-left: 1rem;
    padding-left: 0.5rem;
}

/* Subcategory node */
.subcategory-node {
    margin-left: 1rem;
}

.subcategory-node > .node-header {
    font-weight: 550;
    font-size: 0.9rem;
    color: #5d6d7e;
    font-style: italic;
}

.subcategories-container {
    border-left: 2px solid #d5dbdb;
    margin-left: 1rem;
    padding-left: 0.5rem;
}

/* Disease node */
.disease-node {
    margin-left: 1rem;
}

.disease-node > .node-header {
    font-weight: 500;
    font-size: 0.9rem;
    color: #555;
}

.diseases-container {
    border-left: 2px solid #d5dbdb;
    margin-left: 1rem;
    padding-left: 0.5rem;
}

/* Severity indicators */
.severity-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.5rem;
    display: inline-block;
}

.severity-indicator.severity-high,
.severity-high .severity-indicator {
    background: #e74c3c;
}

.severity-indicator.severity-medium,
.severity-medium .severity-indicator {
    background: #f39c12;
}

.severity-indicator.severity-low,
.severity-low .severity-indicator {
    background: #27ae60;
}

/* Entity detail styles */
.entity-detail {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 900px;
    margin: 0 auto;
}

.entity-header {
    margin-bottom: 2rem;
    border-bottom: 3px solid #3498db;
    padding-bottom: 1rem;
}

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

.entity-type-badge {
    display: inline-block;
    background: #95a5a6;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.entity-type-badge.severity-high {
    background: #e74c3c;
}

.entity-type-badge.severity-medium {
    background: #f39c12;
}

.entity-type-badge.severity-low {
    background: #27ae60;
}

.disease-metadata {
    margin-top: 0.5rem;
}

.badge {
    display: inline-block;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-right: 0.5rem;
}

.badge.severity-high {
    background: #fadbd8;
    color: #c0392b;
}

.badge.severity-medium {
    background: #fdebd0;
    color: #d68910;
}

.badge.severity-low {
    background: #d5f4e6;
    color: #196f3d;
}

.badge.acuity-acute {
    background: #fdebd0;
    color: #d68910;
}

.badge.acuity-chronic {
    background: #e8daef;
    color: #7d3c98;
}

.detail-section {
    margin-bottom: 2rem;
}

.detail-section h3 {
    color: #34495e;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    border-bottom: 2px solid #ecf0f1;
    padding-bottom: 0.5rem;
}

.detail-section h4 {
    color: #555;
    margin: 1rem 0 0.5rem 0;
    font-size: 1.1rem;
}

.detail-section p {
    margin-bottom: 0.75rem;
    line-height: 1.8;
    color: #333;
}

.detail-section ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.detail-section li {
    margin-bottom: 0.5rem;
    line-height: 1.8;
    white-space: pre-wrap;
    list-style-type: none;
}

.detail-section.important {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem;
    border-radius: 4px;
}

.detail-section.highlight {
    background: #d1ecf1;
    border-left: 4px solid #17a2b8;
    padding: 1rem;
    border-radius: 4px;
}

.detail-section.pearls {
    background: #f8f9fa;
    border-left: 4px solid #6c757d;
    padding: 1rem;
    border-radius: 4px;
}

/* Category and disease cards */
.category-list,
.disease-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.category-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.category-card:hover {
    border-color: #3498db;
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.2);
    transform: translateY(-2px);
}

.category-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.disease-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-left-width: 4px;
    border-radius: 8px;
    padding: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.disease-card:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.disease-card.severity-high {
    border-left-color: #e74c3c;
}

.disease-card.severity-medium {
    border-left-color: #f39c12;
}

.disease-card.severity-low {
    border-left-color: #27ae60;
}

.disease-card-content {
    flex: 1;
}

.disease-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.disease-tags {
    margin: 0;
}

.tag {
    display: inline-block;
    background: #ecf0f1;
    color: #555;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-right: 0.25rem;
}

/* Search results */
.search-results {
    padding: 1rem 0;
}

.search-results h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.search-result {
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
}

.search-result:hover {
    background: #f8f9fa;
    border-color: #3498db;
}

.search-result h4 {
    margin: 0 0 0.25rem 0;
    color: #2c3e50;
}

.result-type {
    margin: 0;
    font-size: 0.85rem;
    color: #7f8c8d;
}

.no-results {
    text-align: center;
    padding: 2rem;
    color: #7f8c8d;
}

/* Error message */
.error-message {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.error-message h2 {
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    .main-content {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        max-height: 40vh;
    }

    .category-list,
    .disease-list {
        grid-template-columns: 1fr;
    }

    .entity-detail {
        padding: 1rem;
    }

    header {
        padding: 1rem;
    }
}

/* Subcategory detail special elements */
.algorithm, .clinical-approach, .comparison-matrix, .disease-distinctions {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 4px;
    white-space: pre-wrap;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.8;
    color: #2c3e50;
    overflow-x: auto;
}

.comparison-matrix {
    background: #f8f9fa;
    border-left: none;
}

/* Comparison Table Styles */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: 1rem 0;
}

.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 thead {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.comparison-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.comparison-table th:last-child {
    border-right: none;
}

.comparison-table tbody tr {
    border-bottom: 1px solid #ecf0f1;
    transition: background 0.2s;
}

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

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

.comparison-table td {
    padding: 0.875rem 1rem;
    vertical-align: top;
    border-right: 1px solid #ecf0f1;
    line-height: 1.6;
}

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

.comparison-table td.field-name {
    font-weight: 600;
    background: #f8f9fa;
    color: #2c3e50;
    width: 180px;
    min-width: 180px;
}

.comparison-table td:not(.field-name) {
    color: #555;
    font-size: 0.9rem;
}

/* Responsive table */
@media (max-width: 768px) {
    .comparison-table {
        font-size: 0.85rem;
    }

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

    .comparison-table td.field-name {
        width: 120px;
        min-width: 120px;
    }
}

.breadcrumb {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Tabbed Interface */
.tabs-container {
    margin: 2rem 0;
}

.tabs-header {
    display: flex;
    gap: 0.5rem;
    border-bottom: 2px solid #ecf0f1;
    margin-bottom: 1.5rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #7f8c8d;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s;
    position: relative;
    bottom: -2px;
}

.tab-btn:hover {
    color: #3498db;
    background: rgba(52, 152, 219, 0.05);
}

.tab-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
    background: rgba(52, 152, 219, 0.1);
}

.tabs-content {
    min-height: 300px;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s;
}

.tab-pane.active {
    display: block;
}

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

.quiz-placeholder {
    text-align: center;
    padding: 2rem 0;
}

.quiz-button {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.quiz-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.3);
}

.quiz-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Mermaid Flowchart Styles */
.flowchart-section {
    position: relative;
}

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

.flowchart-header h3 {
    margin-bottom: 0;
    border-bottom: none;
    padding-bottom: 0;
}

.flowchart-controls {
    display: flex;
    gap: 0.5rem;
}

.flowchart-btn {
    background: white;
    border: 2px solid #3498db;
    color: #3498db;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.flowchart-btn:hover {
    background: #3498db;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(52, 152, 219, 0.3);
}

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

.mermaid-container {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 0;
    overflow: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    max-height: 600px;
    transition: all 0.3s;
}

.mermaid-wrapper {
    transition: transform 0.3s ease;
    display: inline-block;
}

.mermaid {
    display: block;
    margin: 0 auto;
    max-width: 100%;
}

/* Override Mermaid default colors to match our theme */
.mermaid .node rect,
.mermaid .node circle,
.mermaid .node polygon {
    fill: #3498db !important;
    stroke: #2980b9 !important;
    stroke-width: 2px !important;
}

.mermaid .node .label {
    color: white !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

.mermaid .edgePath .path {
    stroke: #7f8c8d !important;
    stroke-width: 2px !important;
}

.mermaid .edgeLabel {
    background-color: #ecf0f1 !important;
    color: #2c3e50 !important;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

/* Related Medications Section */
.related-medications {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.05), rgba(147, 51, 234, 0.05));
    border-left: 4px solid #7c3aed;
}

.medication-group {
    margin: 1rem 0;
}

.medication-group h4 {
    font-size: 0.9rem;
    color: #4b5563;
    margin: 0.75rem 0 0.5rem 0;
    font-weight: 600;
}

.medication-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.medication-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    text-decoration: none;
    color: #1f2937;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.medication-link:hover {
    background: #7c3aed;
    border-color: #7c3aed;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(124, 58, 237, 0.2);
}

.medication-link.first-line {
    border-color: #7c3aed;
    background: rgba(124, 58, 237, 0.05);
}

.medication-link.first-line:hover {
    background: #7c3aed;
    color: white;
}

.medication-link.contraindicated {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.medication-link.contraindicated:hover {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
}

.medication-link .med-name {
    font-weight: 500;
}

.medication-link .priority-badge {
    padding: 2px 6px;
    font-size: 0.75rem;
    border-radius: 3px;
    background: #f3f4f6;
    color: #6b7280;
    font-weight: 500;
}

.medication-link.first-line .priority-badge {
    background: rgba(124, 58, 237, 0.1);
    color: #7c3aed;
}

.medication-link.contraindicated .priority-badge {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.medication-link:hover .priority-badge {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Conversational Category Page Styles */
.detail-section.conversational {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.05), rgba(52, 152, 219, 0.02));
    padding: 1.5rem;
    border-radius: 8px;
}

.lead-paragraph {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #2c3e50;
}

.intro-text {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 1rem;
    font-style: italic;
}

.styled-list {
    list-style: none;
    padding-left: 0;
}

.styled-list li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.styled-list li:before {
    content: "✓";
    position: absolute;
    left: 0.5rem;
    color: #3498db;
    font-weight: bold;
    font-size: 1.1rem;
}

.subcategory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.subcategory-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.subcategory-card:hover {
    border-color: #3498db;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
}

.subcategory-card h4 {
    color: #2c3e50;
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
}

.subcategory-card .description {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.subcategory-card .disease-count {
    color: #3498db;
    font-size: 0.85rem;
    font-weight: 600;
}

.red-flags-box {
    background: #fff5f5;
    border-left: 4px solid #e74c3c;
    padding: 1rem;
    border-radius: 4px;
    margin: 1rem 0;
}

.red-flags-box h4 {
    color: #c0392b;
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.red-flags-box ul {
    margin-left: 1.5rem;
}

.red-flags-box li {
    color: #555;
    margin-bottom: 0.5rem;
}

.workup-box {
    background: #f0f8ff;
    border-left: 4px solid #3498db;
    padding: 1rem;
    border-radius: 4px;
    margin: 1rem 0;
}

.workup-box h4 {
    color: #2980b9;
    margin-top: 0;
    margin-bottom: 0.75rem;
}

.workup-box ul {
    margin-left: 1.5rem;
}

.workup-box li {
    color: #555;
    margin-bottom: 0.5rem;
}

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

    .lead-paragraph {
        font-size: 1rem;
    }

    .subcategory-card {
        padding: 1rem;
    }
}