/* ===================================
   CSS Variables (Design Tokens)
   =================================== */
:root {
    /* Colors */
    --color-primary: #1565C0;
    --color-primary-light: #42A5F5;
    --color-primary-dark: #0D47A1;

    --color-background: #FFFFFF;
    --color-surface: #F5F5F5;
    --color-border: #E0E0E0;

    --color-text-primary: #212121;
    --color-text-secondary: #757575;

    /* Category Colors */
    --color-university: #E53935;
    --color-k12: #1E88E5;
    --color-corporate: #43A047;
    --color-recurrent: #FB8C00;
    --color-other: #757575;

    /* Role Colors */
    --color-learning: #7B1FA2;
    --color-assisting: #00897B;
    --color-mentoring: #F57C00;

    /* Status Colors */
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-error: #F44336;
    --color-info: #2196F3;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);

    /* Layout */
    --header-height: 60px;
    --sidebar-width: 260px;
}

/* ===================================
   Base Styles
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-background);
}

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-left {
    display: flex;
    align-items: center;
}

.logo-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.logo-main {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
    margin: 0;
}

.logo-sub {
    font-size: 11px;
    opacity: 0.85;
    font-weight: 400;
}

.logo {
    font-size: 18px;
    font-weight: 600;
}

.search-box-global {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    padding: 0 var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.search-box-global .search-icon {
    font-size: 14px;
    opacity: 0.9;
}

.search-box-global input {
    background: transparent;
    border: none;
    color: white;
    padding: var(--spacing-sm) var(--spacing-sm);
    width: 220px;
    font-size: 13px;
}

.search-box-global input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-box-global input:focus {
    outline: none;
}

.search-box-global:focus-within {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
}

.lang-divider {
    color: rgba(255, 255, 255, 0.5);
    margin: 0 2px;
}

.search-box input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-sm);
    width: 300px;
    font-size: 14px;
}

.search-box input:focus {
    outline: 2px solid var(--color-primary-light);
}

/* ===================================
   Language Switch
   =================================== */
.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.lang-label {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.8);
}

.lang-btn {
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.lang-btn.active {
    background: white;
    color: var(--color-primary);
    border-color: white;
}

/* ===================================
   Rebuild Button
   =================================== */
.btn-rebuild {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-rebuild:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-rebuild:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-rebuild.loading .rebuild-icon {
    animation: spin 1s linear infinite;
}

.rebuild-icon {
    font-size: 16px;
    font-weight: bold;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.btn-rebuild.success {
    background: rgba(76, 175, 80, 0.3);
    border-color: rgba(76, 175, 80, 0.6);
}

.btn-rebuild.error {
    background: rgba(244, 67, 54, 0.3);
    border-color: rgba(244, 67, 54, 0.6);
}

/* ===================================
   Highlight Section
   =================================== */
.highlight-section {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) var(--spacing-lg);
    padding-left: calc(var(--sidebar-width) + var(--spacing-lg));
    margin-top: var(--header-height);
    display: flex;
    gap: var(--spacing-xl);
    overflow-x: auto;
}

.highlight-category {
    flex-shrink: 0;
    min-width: 280px;
}

.highlight-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.highlight-icon {
    font-size: 14px;
}

.highlight-scroll {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
    scrollbar-width: thin;
}

.highlight-scroll::-webkit-scrollbar {
    height: 4px;
}

.highlight-scroll::-webkit-scrollbar-track {
    background: var(--color-border);
    border-radius: 2px;
}

.highlight-scroll::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 2px;
}

/* Highlight Cards */
.highlight-card {
    flex-shrink: 0;
    width: 180px;
    background: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--color-border);
}

.highlight-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.highlight-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.highlight-card-category {
    font-size: 12px;
}

.highlight-card-importance {
    font-size: 11px;
    color: #FFB300;
}

.highlight-card-id {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 2px;
}

.highlight-card-institution {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.highlight-card-title {
    font-size: 11px;
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: var(--spacing-xs);
}

.highlight-card-footer {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-top: var(--spacing-xs);
}

.highlight-card-badge {
    font-size: 10px;
    padding: 1px 4px;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-text-secondary);
}

/* Category-specific accent colors */
.highlight-category[data-category="featured"] .highlight-title {
    color: #E65100;
}

.highlight-category[data-category="featured"] .highlight-card {
    border-left: 3px solid #FF6B35;
}

.highlight-category[data-category="pilot"] .highlight-title {
    color: #1565C0;
}

.highlight-category[data-category="pilot"] .highlight-card {
    border-left: 3px solid #1E88E5;
}

.highlight-category[data-category="higher-ed"] .highlight-title {
    color: #7B1FA2;
}

.highlight-category[data-category="higher-ed"] .highlight-card {
    border-left: 3px solid #7B1FA2;
}

/* ===================================
   Layout
   =================================== */
.main-container {
    display: flex;
    min-height: calc(100vh - var(--header-height));
}

/* ===================================
   Sidebar
   =================================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: var(--spacing-md);
    position: fixed;
    top: var(--header-height);
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
}

.filter-header {
    margin-bottom: var(--spacing-md);
}

.filter-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.filter-icon {
    font-size: 12px;
}

.filter-section h3,
.stats-summary h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stats-summary h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.stats-icon {
    font-size: 14px;
}

/* Collapsible Filter Groups */
.filter-group {
    margin-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-border);
}

.filter-group:last-of-type {
    border-bottom: none;
}

.filter-group-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin: 0;
    padding: var(--spacing-sm) 0;
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
}

.filter-group-header:hover {
    color: var(--color-primary);
}

.collapse-icon {
    font-size: 10px;
    transition: transform 0.2s ease;
    color: var(--color-text-secondary);
}

.filter-group.expanded .collapse-icon {
    transform: rotate(90deg);
}

.filter-group-content {
    display: none;
    padding-left: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
}

.filter-group.expanded .filter-group-content {
    display: block;
}

.filter-group h4 {
    font-size: 13px;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.filter-group label {
    display: block;
    padding: var(--spacing-xs) 0;
    cursor: pointer;
    font-size: 12px;
}

.filter-group label:hover {
    color: var(--color-primary);
}

.filter-group input[type="checkbox"] {
    margin-right: var(--spacing-sm);
}

.btn-reset {
    width: 100%;
    background: var(--color-background);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: var(--spacing-md);
}

.btn-reset:hover {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.stats-summary {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}

.stat-label {
    color: var(--color-text-secondary);
    font-size: 12px;
}

.stat-value {
    font-weight: 600;
    color: var(--color-primary);
}

/* ===================================
   Main Content
   =================================== */
.content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--spacing-lg);
}

/* ===================================
   Tabs
   =================================== */
.tab-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tab-group-main {
    display: flex;
    gap: 0;
}

.tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s ease;
}

.tab-icon {
    font-size: 14px;
}

.tab:hover {
    color: var(--color-primary);
    background: rgba(21, 101, 192, 0.05);
}

.tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    background: rgba(21, 101, 192, 0.08);
}

.tab-sort-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-right: var(--spacing-md);
}

.tab-sort-controls label {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.tab-sort-controls select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    background: var(--color-background);
    cursor: pointer;
}

.tab-sort-controls select:focus {
    outline: 2px solid var(--color-primary-light);
    border-color: var(--color-primary);
}

.tab-pane {
    display: none;
}

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

/* ===================================
   View Result Count
   =================================== */
.view-result-count {
    font-size: 13px;
    color: var(--color-text-secondary, #666);
    margin-bottom: var(--spacing-md);
    padding: 6px 12px;
    background: var(--color-surface, #f5f5f5);
    border-radius: 4px;
    border-left: 3px solid var(--color-primary, #1976D2);
}

/* ===================================
   Card Grid View (V01-card)
   =================================== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.case-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.case-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.case-card-id {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
}

.case-card-importance {
    font-size: 12px;
    color: #FFB300;
}

.case-card-year {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-surface-variant, #F5F5F5);
    padding: 2px 6px;
    border-radius: 10px;
}

.case-card-body {
    padding: var(--spacing-md);
}

.case-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.case-card-institution {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.case-card-summary {
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.case-card-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--color-border);
    font-size: 11px;
}

.case-card-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.case-card-meta-icon {
    font-size: 12px;
}

.case-card-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.case-card-source-type {
    display: flex;
    align-items: center;
    gap: 3px;
    font-size: 10px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-surface-variant, #F5F5F5);
    padding: 2px 6px;
    border-radius: 10px;
}

.case-card-effect {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 11px;
    font-weight: 600;
}

.case-card-effect-icon {
    font-size: 12px;
}

.effect-high { color: #2E7D32; }
.effect-medium { color: #1565C0; }
.effect-low { color: #757575; }
.effect-none { color: #9E9E9E; }

.case-card-participants {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 11px;
    color: var(--color-text-secondary);
}

.case-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.case-card-tag {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-lg);
}

.case-card-tag-more {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--color-surface);
    color: var(--color-text-secondary);
    border-radius: var(--radius-lg);
}

/* Card Grid Responsive */
@media (max-width: 1400px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1100px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

    .tab-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .tab-group-main {
        flex-wrap: wrap;
    }

    .tab-sort-controls {
        padding: var(--spacing-sm) 0;
        border-top: 1px solid var(--color-border);
    }
}

/* ===================================
   Table
   =================================== */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-background);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.data-table th {
    background: var(--color-surface);
    color: var(--color-text-primary);
    font-weight: 600;
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 2px solid var(--color-primary);
    cursor: pointer;
    user-select: none;
}

.data-table th:hover {
    background: var(--color-border);
}

.data-table th::after {
    content: '';
    margin-left: var(--spacing-sm);
}

.data-table th.sort-asc::after {
    content: ' \u25B2';
}

.data-table th.sort-desc::after {
    content: ' \u25BC';
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.data-table tbody tr {
    cursor: pointer;
    transition: background 0.2s ease;
}

.data-table tbody tr:hover {
    background: #E3F2FD;
}

/* ===================================
   Badges
   =================================== */
.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 11px;
    font-weight: 500;
}

.badge-university { background: #FFEBEE; color: #C62828; }
.badge-k12 { background: #E3F2FD; color: #1565C0; }
.badge-corporate { background: #E8F5E9; color: #2E7D32; }
.badge-recurrent { background: #FFF3E0; color: #E65100; }

.badge-learning { background: #F3E5F5; color: #7B1FA2; }
.badge-assisting { background: #E0F2F1; color: #00695C; }
.badge-mentoring { background: #FFF3E0; color: #E65100; }
.badge-learning-assisting { background: #E1F5FE; color: #0277BD; }
.badge-learning-mentoring { background: #FCE4EC; color: #AD1457; }
.badge-assisting-mentoring { background: #F1F8E9; color: #558B2F; }
.badge-multiple { background: #ECEFF1; color: #455A64; }

/* Status Badges */
.badge-status-complete { background: #E8F5E9; color: #2E7D32; }
.badge-status-wip { background: #FFF3E0; color: #E65100; }
.badge-status-review { background: #FFEBEE; color: #C62828; }
.badge-updated { background: #E8EAF6; color: #3949AB; }

/* ===================================
   Map
   =================================== */
.map-controls {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

#mapContainer {
    height: 500px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.map-legend {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: var(--shadow-sm);
}

/* ===================================
   Charts
   =================================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.chart-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.chart-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

/* ===================================
   Modal
   =================================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-background);
    border-radius: var(--radius-md);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: 0;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 80px);
}

/* ===================================
   Detail View
   =================================== */
.detail-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.meta-card {
    background: var(--color-surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    min-width: 120px;
}

.meta-card-label {
    font-size: 11px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.meta-card-value {
    font-size: 14px;
    font-weight: 600;
}

.detail-section {
    margin-bottom: var(--spacing-lg);
}

.detail-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--color-border);
}

.detail-section p {
    color: var(--color-text-primary);
    line-height: 1.8;
}

/* ===================================
   Related Cases Section
   =================================== */
.related-cases-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
}

.related-cases-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.related-cases-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.related-case-item {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.related-case-item:hover {
    background: #E3F2FD;
    border-left-color: var(--color-primary);
}

.related-case-header {
    display: flex;
    gap: var(--spacing-sm);
    align-items: baseline;
    flex-wrap: wrap;
}

.related-case-id {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-primary);
    font-weight: 600;
    white-space: nowrap;
}

.related-case-title {
    font-size: 13px;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.related-case-reason {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 4px;
    padding-left: var(--spacing-xs);
    border-left: 2px solid var(--color-border);
}

/* ===================================
   Rich Detail Styles
   =================================== */
.info-grid,
.evaluation-grid,
.tech-grid,
.meta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.info-item,
.eval-item,
.tech-item,
.meta-item {
    padding: var(--spacing-sm);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.info-label,
.eval-label,
.tech-label,
.meta-label {
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-right: var(--spacing-xs);
}

.eval-detail,
.tech-detail,
.impl-detail {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
}

.eval-detail h4,
.tech-detail h4,
.impl-detail h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.markdown-content {
    font-size: 13px;
    line-height: 1.7;
    color: var(--color-text-primary);
}

.markdown-content li {
    margin-bottom: var(--spacing-xs);
    margin-left: var(--spacing-md);
    list-style: disc;
}

.markdown-content strong {
    color: var(--color-primary-dark);
}

.code-block {
    background: #2d2d2d;
    color: #f0f0f0;
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 12px;
    line-height: 1.5;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.dimension-table td {
    vertical-align: top;
}

.dimension-table td:first-child {
    background: var(--color-surface);
    white-space: nowrap;
}

/* ===================================
   Evidence Quote Styles
   =================================== */
.evidence-quote {
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-left: 2px solid var(--color-primary-light);
    background: rgba(21, 101, 192, 0.03);
    line-height: 1.5;
}

.evidence-quote q {
    font-style: italic;
    color: var(--color-text-primary);
}

.evidence-quote .page-ref {
    color: var(--color-primary);
    font-weight: 500;
    font-size: 10px;
}

.evidence-quote strong {
    color: var(--color-primary-dark);
    font-weight: 600;
}

/* Markdown内の根拠表示（インライン） */
.evidence-inline {
    display: block;
    font-size: 11px;
    color: var(--color-text-secondary);
    margin-top: 2px;
    padding: 4px 8px;
    border-left: 2px solid var(--color-primary-light);
    background: rgba(21, 101, 192, 0.03);
    line-height: 1.4;
}

.evidence-inline strong {
    color: var(--color-primary-dark);
    font-weight: 600;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-lg);
    font-size: 11px;
    font-weight: 500;
}

.detail-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
}

.source-link {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: background 0.2s ease;
}

.source-link:hover {
    background: var(--color-primary-dark);
}

/* ===================================
   Buttons
   =================================== */
.btn-primary {
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
}

.btn-secondary {
    background: var(--color-background);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: white;
}

/* ===================================
   Utilities
   =================================== */
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-muted { color: var(--color-text-secondary); }

/* ===================================
   Responsive
   =================================== */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .content {
        margin-left: 0;
    }

    .search-box input {
        width: 200px;
    }
}

/* ===================================
   Analysis Dashboard - Hero Section
   =================================== */
.dashboard-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    color: white;
}

.hero-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.hero-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0;
}

.update-date {
    font-size: 12px;
    opacity: 0.8;
}

.kpi-cards {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.kpi-card {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    min-width: 120px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.kpi-card.kpi-highlight {
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.kpi-value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
}

.kpi-label {
    font-size: 12px;
    opacity: 0.9;
    margin-top: var(--spacing-xs);
}

.kpi-sub {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 2px;
}

.insight-box {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.insight-icon {
    font-size: 18px;
    line-height: 1;
}

.insight-text {
    font-size: 13px;
    line-height: 1.6;
    opacity: 0.95;
}

/* ===================================
   Analysis Sections
   =================================== */
.analysis-section {
    margin-bottom: var(--spacing-xl);
}

.analysis-section > h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
}

.chart-card h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.chart-card-wide {
    grid-column: span 2;
}

@media (max-width: 1024px) {
    .chart-card-wide {
        grid-column: span 1;
    }
}

/* ===================================
   Japan Highlight Section
   =================================== */
.japan-highlight {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-left: 4px solid #E53935;
}

.japan-highlight h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.japan-stats {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-md);
}

.japan-stat-item {
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.japan-stat-label {
    color: var(--color-text-secondary);
    font-size: 11px;
}

.japan-stat-value {
    font-weight: 600;
    color: var(--color-text-primary);
}

.japan-featured {
    margin-bottom: var(--spacing-md);
}

.japan-featured h5 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.japan-featured ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.japan-featured li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.japan-featured li:hover {
    background: rgba(21, 101, 192, 0.05);
    margin: 0 calc(-1 * var(--spacing-sm));
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.japan-featured li:last-child {
    border-bottom: none;
}

.featured-importance {
    color: #FFB300;
    margin-right: var(--spacing-xs);
}

.featured-id {
    font-weight: 600;
    color: var(--color-primary);
}

.featured-title {
    color: var(--color-text-secondary);
    font-size: 12px;
}

.japan-insight {
    background: white;
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.japan-insight p {
    margin-bottom: var(--spacing-sm);
    font-size: 13px;
}

.japan-insight ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.japan-insight li {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

/* ===================================
   Data Quality Indicators
   =================================== */
.quality-indicators {
    display: grid;
    gap: var(--spacing-md);
}

.quality-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.quality-label {
    width: 180px;
    font-size: 13px;
    color: var(--color-text-primary);
}

.quality-bar {
    flex: 1;
    height: 24px;
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.quality-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-sm);
    transition: width 0.5s ease;
}

.quality-fill.quality-excellent {
    background: linear-gradient(90deg, #4CAF50 0%, #2E7D32 100%);
}

.quality-fill.quality-good {
    background: linear-gradient(90deg, #2196F3 0%, #1565C0 100%);
}

.quality-fill.quality-fair {
    background: linear-gradient(90deg, #FF9800 0%, #E65100 100%);
}

.quality-fill.quality-poor {
    background: linear-gradient(90deg, #F44336 0%, #C62828 100%);
}

.quality-pct {
    width: 50px;
    text-align: right;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* ===================================
   References View (V06)
   =================================== */
.references-header {
    margin-bottom: var(--spacing-lg);
}

.references-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.references-description {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin: 0;
}

/* References Filter */
.references-filter {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-surface);
    border-radius: var(--radius-md);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.filter-btn {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
}

.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.references-search {
    flex: 1;
    min-width: 200px;
}

.references-search input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.references-search input:focus {
    outline: 2px solid var(--color-primary-light);
    border-color: var(--color-primary);
}

.language-filter {
    display: flex;
    gap: var(--spacing-md);
    font-size: 13px;
}

.language-filter label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
}

/* References Stats */
.references-stats {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border);
}

.references-stats span:first-child,
.references-stats #refFilteredCount {
    font-weight: 600;
    color: var(--color-primary);
}

.ref-stats-separator {
    margin: 0 var(--spacing-sm);
    color: var(--color-border);
}

/* References List */
.references-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.no-data-message {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-text-secondary);
    font-size: 14px;
}

/* Reference Category Group */
.reference-category-group {
    background: var(--color-background);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.reference-category-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border-left: 4px solid var(--color-primary);
}

.category-icon {
    font-size: 18px;
}

.category-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.category-count {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-left: auto;
}

/* Reference Items */
.reference-items {
    display: flex;
    flex-direction: column;
}

.reference-item {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    transition: background 0.2s ease;
}

.reference-item:last-child {
    border-bottom: none;
}

.reference-item:hover {
    background: rgba(21, 101, 192, 0.03);
}

/* Reference Header */
.ref-header {
    margin-bottom: var(--spacing-sm);
}

.ref-title-row {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.ref-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
    flex: 1;
    line-height: 1.4;
}

.ref-importance {
    flex-shrink: 0;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: #FFF8E1;
    color: #F57F17;
}

.ref-importance.importance-high {
    background: #FFF3E0;
    color: #E65100;
    font-weight: 600;
}

.ref-importance.importance-medium {
    background: #E3F2FD;
    color: #1565C0;
}

.ref-importance.importance-low {
    background: var(--color-surface);
    color: var(--color-text-secondary);
}

.ref-lang {
    flex-shrink: 0;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.ref-lang-ja {
    background: #FCE4EC;
    color: #C2185B;
}

.ref-lang-en {
    background: #E3F2FD;
    color: #1565C0;
}

/* Reference Meta */
.ref-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    font-size: 12px;
    color: var(--color-text-secondary);
}

.ref-meta > span::after {
    content: '|';
    margin-left: var(--spacing-sm);
    color: var(--color-border);
}

.ref-meta > span:last-child::after {
    content: '';
}

.ref-publisher {
    font-weight: 500;
}

.ref-journal {
    font-style: italic;
}

/* Reference Body */
.ref-body {
    margin-bottom: var(--spacing-md);
}

.ref-summary {
    font-size: 13px;
    color: var(--color-text-primary);
    line-height: 1.7;
    margin: 0 0 var(--spacing-sm) 0;
}

.ref-key-points {
    margin: var(--spacing-sm) 0 0 var(--spacing-lg);
    padding: 0;
    font-size: 12px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.ref-key-points li {
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.ref-key-points li::marker {
    color: var(--color-primary-light);
}

/* Reference Footer */
.ref-footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.ref-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.ref-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: 11px;
    color: var(--color-text-secondary);
}

.ref-links {
    display: flex;
    gap: var(--spacing-xs);
}

.ref-link-btn {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.ref-link-pdf {
    background: #FFEBEE;
    color: #C62828;
}

.ref-link-pdf:hover {
    background: #C62828;
    color: white;
}

.ref-link-web {
    background: #E8F5E9;
    color: #2E7D32;
}

.ref-link-web:hover {
    background: #2E7D32;
    color: white;
}

.ref-link-doi {
    background: #E3F2FD;
    color: #1565C0;
}

.ref-link-doi:hover {
    background: #1565C0;
    color: white;
}

/* Responsive */
@media (max-width: 768px) {
    .references-filter {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-buttons {
        justify-content: flex-start;
    }

    .references-search {
        min-width: 100%;
    }

    .ref-footer {
        flex-direction: column;
        align-items: flex-start;
    }

    .ref-title-row {
        flex-wrap: wrap;
    }
}