/* =============================================================================
   Brand Identity Knowledge Graph - CSS Theme
   Inspired by ConceptNet.io's minimal, link-heavy design
   ============================================================================= */

/* CSS Variables */
:root {
    --color-bg: #ffffff;
    --color-bg-alt: #f8f9fa;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-link: #0066cc;
    --color-link-hover: #004499;
    --color-link-visited: #551a8b;
    --color-border: #e0e0e0;
    --color-border-light: #f0f0f0;
    
    /* Connection type colors (ConceptNet style) */
    --color-sector: #2e7d32;
    --color-region: #1565c0;
    --color-year: #6a1b9a;
    --color-industry: #c62828;
    --color-country: #00838f;
    --color-type: #ef6c00;
    --color-visual: #5c6bc0;
    --color-human: #ec407a;
    --color-guideline: #26a69a;
    
    /* Typography */
    --font-primary: 'Source Sans Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Source Code Pro', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Layout */
    --container-max: 1680px;
    --sidebar-width: 280px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    margin: 0;
    padding: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md);
    line-height: 1.3;
    font-weight: 600;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; border-bottom: 1px solid var(--color-border); padding-bottom: var(--spacing-sm); }
h3 { font-size: 1.25rem; }

p {
    margin: 0 0 var(--spacing-md);
}

/* Links - Core to the design */
a {
    color: var(--color-link);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

a:visited {
    color: var(--color-link-visited);
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =============================================================================
   Header
   ============================================================================= */

.site-header {
    background: var(--color-bg);
    border-bottom: 2px solid var(--color-border);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.site-logo:hover {
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
}

.site-nav {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.site-nav a {
    font-weight: 500;
    padding: var(--spacing-xs) 0;
}

/* =============================================================================
   Footer
   ============================================================================= */

.site-footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xxl);
    text-align: center;
    color: var(--color-text-light);
}

.footer-note {
    font-size: 0.875rem;
}

/* =============================================================================
   Report Button (Fixed)
   ============================================================================= */

.report-button {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: #ff5722;
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.report-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    color: white;
    text-decoration: none;
}

/* =============================================================================
   Home Page
   ============================================================================= */

.home-hero {
    text-align: center;
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid var(--color-border);
}

.home-hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* Search */
.search-box {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
    border: 2px solid var(--color-border);
    border-radius: 30px;
    outline: none;
    transition: border-color 0.2s ease;
}

.search-box input:focus {
    border-color: var(--color-link);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-top: var(--spacing-xs);
    max-height: 300px;
    overflow-y: auto;
    display: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.search-results.active {
    display: block;
}

.search-results a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
}

.search-results a:hover {
    background: var(--color-bg-alt);
}

/* Stats */
.home-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.stat-card {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-link);
}

.stat-label {
    color: var(--color-text-light);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Explore Grid */
.home-explore, .home-visual, .home-recent {
    padding: var(--spacing-xl) 0;
}

.home-split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    margin-top: var(--spacing-xl);
}

.home-left-panel {
    position: sticky;
    top: 86px;
}

.home-right-panel {
    min-width: 0;
}

.home-qa-panel {
    background: #f4f5f7;
    border: 1px solid #d8dbe2;
    border-radius: 12px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.home-qa-panel h2 {
    border: none;
    padding: 0;
    margin-bottom: var(--spacing-sm);
}

.home-qa-panel p {
    margin-bottom: 0.65rem;
    font-size: 1.05rem;
}

.home-kg-sitemap {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    background: linear-gradient(180deg, #fafcff 0%, #f7f9fc 100%);
}

.kg-sitemap-intro {
    color: var(--color-text-light);
    max-width: 920px;
}

.kg-sitemap-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.kg-node-card {
    position: relative;
    background: #fff;
    border: 1px solid #dbe4f0;
    border-radius: 12px;
    padding: var(--spacing-md);
    box-shadow: 0 4px 14px rgba(20, 45, 95, 0.06);
}

.kg-node-card.root {
    border-color: #9ec7a0;
    background: #edf9ee;
}

.kg-node-card h3 {
    margin-bottom: 0.45rem;
    font-size: 0.96rem;
}

.kg-relation {
    display: inline-block;
    margin-bottom: 0.45rem;
    font-size: 0.78rem;
    color: #4f5f78;
    font-style: italic;
}

.kg-node-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.kg-node-links a {
    display: inline-block;
    padding: 0.3rem 0.58rem;
    border-radius: 999px;
    border: 1px solid #d8e3f5;
    background: #f8fbff;
    font-size: 0.84rem;
    color: var(--color-link);
}

.kg-node-links a:hover {
    text-decoration: none;
    border-color: #9ab8ea;
    background: #edf4ff;
}

.visual-attributes-intro {
    margin-top: -0.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
    max-width: 900px;
}

.home-right-panel .home-stats {
    margin-top: 0;
    padding-top: 0;
}

.home-right-panel .home-explore,
.home-right-panel .home-visual,
.home-right-panel .home-recent {
    padding-top: var(--spacing-lg);
}

.explore-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.explore-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
}

.explore-card h3 {
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

.explore-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.explore-link {
    font-size: 0.9375rem;
}

.explore-link .count {
    color: var(--color-text-light);
    font-size: 0.8125rem;
}

.see-all {
    display: inline-block;
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 600;
}

.see-all-btn {
    display: inline-block;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-link);
    color: white;
    border-radius: 4px;
    font-weight: 600;
}

.see-all-btn:hover {
    background: var(--color-link-hover);
    color: white;
    text-decoration: none;
}

/* =============================================================================
   Brand Page - ConceptNet Style Connections
   ============================================================================= */

.brand-page {
    padding: var(--spacing-xl) 0;
}

.brand-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.brand-title {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-sm);
}

.brand-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.brand-meta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.875rem;
}

.meta-badge.small {
    font-size: 0.75rem;
    padding: 2px 6px;
}

.meta-badge.tiny {
    font-size: 0.75rem;
    padding: 1px 4px;
}

.meta-badge.twitter {
    background: #e3f2fd;
    border-color: #90caf9;
}

.meta-badge.guidelines {
    background: #e8f5e9;
    border-color: #a5d6a7;
}

/* Connections Section - The Heart of ConceptNet Style */
.connections-section {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.connections-section h2 {
    font-size: 1.25rem;
    border: none;
    padding: 0;
    margin-bottom: var(--spacing-lg);
}

.connection-group {
    margin-bottom: var(--spacing-lg);
}

.connection-group:last-child {
    margin-bottom: 0;
}

.connection-type {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.connection-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Connection Link Styling - Different colors by type */
.connection-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.9375rem;
    transition: all 0.15s ease;
}

.connection-link:hover {
    text-decoration: none;
    transform: translateY(-1px);
}

.connection-link.sector { color: var(--color-sector); background: rgba(46, 125, 50, 0.1); }
.connection-link.sector:hover { background: rgba(46, 125, 50, 0.2); }

.connection-link.region { color: var(--color-region); background: rgba(21, 101, 192, 0.1); }
.connection-link.region:hover { background: rgba(21, 101, 192, 0.2); }

.connection-link.country { color: var(--color-country); background: rgba(0, 131, 143, 0.1); }
.connection-link.country:hover { background: rgba(0, 131, 143, 0.2); }

.connection-link.year { color: var(--color-year); background: rgba(106, 27, 154, 0.1); }
.connection-link.year:hover { background: rgba(106, 27, 154, 0.2); }

.connection-link.language { color: #0277bd; background: rgba(2, 119, 189, 0.1); }
.connection-link.language:hover { background: rgba(2, 119, 189, 0.2); }

.connection-link.industry { color: var(--color-industry); background: rgba(198, 40, 40, 0.1); }
.connection-link.industry:hover { background: rgba(198, 40, 40, 0.2); }

.connection-link.type { color: var(--color-type); background: rgba(239, 108, 0, 0.1); }
.connection-link.type:hover { background: rgba(239, 108, 0, 0.2); }

/* Financial bucket colors */
.connection-link.revenue { color: #2e7d32; background: rgba(46, 125, 50, 0.1); }
.connection-link.revenue:hover { background: rgba(46, 125, 50, 0.2); }

.connection-link.operating-income { color: #1565c0; background: rgba(21, 101, 192, 0.1); }
.connection-link.operating-income:hover { background: rgba(21, 101, 192, 0.2); }

.connection-link.net-profit { color: #7b1fa2; background: rgba(123, 31, 162, 0.1); }
.connection-link.net-profit:hover { background: rgba(123, 31, 162, 0.2); }

.connection-link.tag { color: #455a64; background: rgba(69, 90, 100, 0.1); }
.connection-link.tag:hover { background: rgba(69, 90, 100, 0.2); }

/* Visual attribute colors */
.connection-link.lighting,
.connection-link.perspective,
.connection-link.genre,
.connection-link.concept,
.connection-link.background,
.connection-link.color,
.connection-link.depth,
.connection-link.effect {
    color: var(--color-visual);
    background: rgba(92, 107, 192, 0.1);
}
.connection-link.lighting:hover,
.connection-link.perspective:hover,
.connection-link.genre:hover,
.connection-link.concept:hover,
.connection-link.background:hover,
.connection-link.color:hover,
.connection-link.depth:hover,
.connection-link.effect:hover {
    background: rgba(92, 107, 192, 0.2);
}

/* Human attribute colors */
.connection-link.hair,
.connection-link.expression,
.connection-link.clothing,
.connection-link.clothcolor,
.connection-link.pose,
.connection-link.gaze,
.connection-link.body {
    color: var(--color-human);
    background: rgba(236, 64, 122, 0.1);
}
.connection-link.hair:hover,
.connection-link.expression:hover,
.connection-link.clothing:hover,
.connection-link.clothcolor:hover,
.connection-link.pose:hover,
.connection-link.gaze:hover,
.connection-link.body:hover {
    background: rgba(236, 64, 122, 0.2);
}

/* Guidelines entity colors */
.connection-link.logo,
.connection-link.brandcolor,
.connection-link.typo,
.connection-link.imagery {
    color: var(--color-guideline);
    background: rgba(38, 166, 154, 0.1);
}
.connection-link.logo:hover,
.connection-link.brandcolor:hover,
.connection-link.typo:hover,
.connection-link.imagery:hover {
    background: rgba(38, 166, 154, 0.2);
}

/* Section styles */
.visual-section { border-left: 4px solid var(--color-visual); }
.human-section { border-left: 4px solid var(--color-human); }
.guidelines-section { border-left: 4px solid var(--color-guideline); }

/* Websites & External */
.websites-section,
.wikidata-section {
    margin-bottom: var(--spacing-xl);
}

.website-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.website-list li {
    padding: var(--spacing-xs) 0;
}

/* Content Section (Properties, Guidelines, Twitter) */
.content-section {
    margin-top: var(--spacing-xl);
}

.content-section h2 {
    margin-top: var(--spacing-xl);
}

.content-section h3 {
    margin-top: var(--spacing-lg);
    color: var(--color-text-light);
}

.content-section table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.content-section th,
.content-section td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.content-section th {
    background: var(--color-bg-alt);
    font-weight: 600;
    width: 200px;
}

.content-section blockquote {
    margin: 0 0 var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-link);
    font-style: italic;
}

.content-section code {
    font-family: var(--font-mono);
    background: var(--color-bg-alt);
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.875rem;
}

.content-section ul {
    padding-left: var(--spacing-lg);
}

.content-section li {
    margin-bottom: var(--spacing-xs);
}

/* =============================================================================
   List Pages
   ============================================================================= */

.list-page {
    padding: var(--spacing-xl) 0;
}

.list-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.list-count {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.list-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.list-item {
    padding: var(--spacing-lg);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: box-shadow 0.2s ease;
}

.list-item:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.list-item h2 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    border: none;
    padding: 0;
}

.item-description {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.item-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

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

.tag-link {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-sector);
    border-radius: 3px;
}

/* =============================================================================
   Taxonomy Pages
   ============================================================================= */

.taxonomy-page {
    padding: var(--spacing-xl) 0;
}

.taxonomy-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.taxonomy-count {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.taxonomy-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.taxonomy-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.15s ease;
}

.taxonomy-item:hover {
    background: var(--color-link);
    color: white;
    text-decoration: none;
    border-color: var(--color-link);
}

.term-name {
    font-weight: 500;
}

.term-count {
    font-size: 0.75rem;
    padding: 2px 6px;
    background: rgba(0,0,0,0.1);
    border-radius: 10px;
}

/* Term Page (single taxonomy term) */
.term-page {
    padding: var(--spacing-xl) 0;
}

.term-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--color-border);
}

.breadcrumb {
    font-size: 0.875rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.term-type {
    color: var(--color-text-light);
    font-weight: 400;
}

.term-count {
    color: var(--color-text-light);
    font-size: 0.875rem;
}

.brand-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.brand-card {
    padding: var(--spacing-md);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: box-shadow 0.2s ease;
}

.brand-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.brand-card h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.card-description {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.meta-link {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 3px;
}

.meta-link.sector {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-sector);
}

.meta-link.region {
    background: rgba(21, 101, 192, 0.1);
    color: var(--color-region);
}

/* =============================================================================
   Pagination
   ============================================================================= */

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.pagination .page-item {
    list-style: none;
}

.pagination .page-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: 4px;
}

.pagination .page-item.active .page-link {
    background: var(--color-link);
    color: white;
    border-color: var(--color-link);
}

/* =============================================================================
   Responsive
   ============================================================================= */

@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .site-nav {
        width: 100%;
        justify-content: flex-start;
        gap: var(--spacing-md);
    }
    
    .home-hero h1 {
        font-size: 1.75rem;
    }
    
    .brand-title {
        font-size: 1.75rem;
    }
    
    .connections-section {
        padding: var(--spacing-md);
    }
    
    .content-section th {
        width: 120px;
    }
    
    .report-button {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}

/* =============================================================================
   Print Styles
   ============================================================================= */

@media print {
    .site-header,
    .site-footer,
    .report-button,
    .search-box {
        display: none;
    }
    
    .connection-link {
        color: black !important;
        background: none !important;
        border: 1px solid #ccc;
    }
}

/* =============================================================================
   About Section
   ============================================================================= */

.home-about {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: var(--spacing-xl);
    border-radius: 12px;
    margin-bottom: var(--spacing-xl);
    border-left: 4px solid var(--color-link);
}

.home-about h2 {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* =============================================================================
   Collaborators Section
   ============================================================================= */

.home-collaborators {
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.home-collaborators h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.collaborators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.collaborator-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}

.collaborator-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.collaborator-name {
    display: block;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.collaborator-affiliation {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Development origin description */
.development-origin {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

/* About page */
.about-page {
    padding: var(--spacing-xl) 0;
}

.about-page-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.about-page-content {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: var(--spacing-xl);
}

.about-page-content h2 {
    border: none;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    padding: 0;
}

/* Visual definitions panels */
.visual-definition-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: var(--spacing-lg);
}

.visual-definition-left h2 {
    border: none;
    padding: 0;
    margin-bottom: var(--spacing-sm);
}

.visual-definition-right h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-light);
}

.mini-term-collage,
.mini-brand-collage {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.mini-thumb-link {
    display: inline-flex;
    width: 98px;
    height: 74px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: #f5f5f5;
    align-items: center;
    justify-content: center;
}

.mini-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mini-thumb-fallback {
    padding: 0.35rem;
    font-size: 0.72rem;
    color: var(--color-text-light);
    text-align: center;
    line-height: 1.2;
}

.mini-term-chip {
    display: inline-block;
    padding: 0.35rem 0.55rem;
    border-radius: 14px;
    background: rgba(92, 107, 192, 0.12);
    color: var(--color-visual);
    font-size: 0.82rem;
}

.mini-brand-card {
    display: inline-block;
    min-width: 120px;
    padding: 0.45rem 0.6rem;
    border-radius: 6px;
    border: 1px solid var(--color-border);
    background: #fafafa;
    font-size: 0.82rem;
    color: var(--color-text);
}

/* Site map page */
.sitemap-page {
    padding: var(--spacing-xl) 0;
}

.sitemap-header {
    margin-bottom: var(--spacing-xl);
}

.sitemap-header p {
    color: var(--color-text-light);
    max-width: 900px;
}

.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.sitemap-card {
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: linear-gradient(180deg, #ffffff 0%, #f9fbff 100%);
    padding: var(--spacing-lg);
    box-shadow: 0 3px 12px rgba(20, 35, 70, 0.05);
}

.sitemap-card h2 {
    border: none;
    padding: 0;
    margin-bottom: var(--spacing-sm);
    font-size: 1.05rem;
}

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

.sitemap-links a {
    display: inline-block;
    padding: 0.38rem 0.62rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: #fff;
    font-size: 0.88rem;
    color: var(--color-link);
}

.sitemap-links a:hover {
    text-decoration: none;
    border-color: var(--color-link);
    background: #eef5ff;
}

@media (max-width: 900px) {
    .home-split-layout {
        grid-template-columns: 1fr;
    }

    .home-left-panel {
        position: static;
        top: auto;
    }

    .visual-definition-panel {
        grid-template-columns: 1fr;
    }
}