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

html {
    overflow-x: hidden;
}

:root {
    /* Colors */
    --color-primary: #1a1a1a;
    --color-secondary: #666666;
    --color-accent: #2563eb;
    --color-background: #ffffff;
    --color-surface: #f8fafc;
    --color-border: #e2e8f0;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xl: 2.25rem;
    --font-size-lg: 1.875rem;
    --font-size-md: 1.25rem;
    --font-size-base: 1rem;
    --font-size-sm: 0.875rem;
    --font-size-xs: 0.75rem;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Layout */
    --container-width: 1200px;
    --content-width: 1100px;
    --border-radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --transition: all 0.2s ease;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    width: 100%;
}

/* Header & Navigation */
.header {
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    padding: var(--spacing-md) 0;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: center;
    gap: var(--spacing-2xl);
}

.nav-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-md);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--color-accent);
    background-color: var(--color-surface);
}

.nav-link.active {
    color: var(--color-accent);
    font-weight: 600;
}

/* Main Content */
.main {
    padding-top: var(--spacing-xl);
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0 0 0;
}

.hero-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

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

.profile-image {
    width: 260px;
    height: 260px;
    border-radius: 16px;
    object-fit: cover;
    border: 4px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.profile-image:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.hero-info {
    padding-top: 0;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-primary);
    line-height: 1.2;
}

.hero-title .aka {
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--color-secondary);
    margin-left: 8px;
}

.hero-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.hero-affiliation {
    font-size: var(--font-size-base);
    color: var(--color-secondary);
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-description {
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: 24px;
}

.hero-description p {
    margin-bottom: 8px;
}

.hero-description p:last-child {
    margin-bottom: 0;
}

.research-keywords {
    color: #059669;
    font-style: italic;
    font-weight: 600;
}

.username-definition {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--border-radius);
    font-style: italic;
}

.username-definition p {
    margin-bottom: 0;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.username-definition em {
    color: var(--color-primary);
    font-weight: 600;
    font-style: normal;
}

.hero-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.hero-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-primary);
    transition: all 0.2s ease;
    min-width: 80px;
    justify-content: center;
}

.hero-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    background: rgba(37, 99, 235, 0.05);
}

.hero-link i {
    margin-right: 6px;
    width: 16px;
    text-align: center;
}

.hero-link .fa-envelope {
    color: #dc3545;
}

.hero-link .fa-graduation-cap {
    color: #4285f4;
}

.hero-link .fa-github {
    color: #333;
}

.hero-link .fa-twitter {
    color: #1da1f2;
}

.hero-link .fa-user-circle {
    color: #0084ff;
}

.hero-link .fa-book {
    color: #0084ff;
}

.hero-link .fa-google {
    color: #ea4335;
}

/* Sections */
.section {
    padding: 48px 0;
}

.section-alt {
    margin-top: 12px;
    padding-top: 8px;
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-sm);
    color: var(--color-primary);
    margin-left: 20px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: -30px;
    right: -30px;
    height: 2px;
    background: rgba(55, 65, 81, 0.3);
}

/* Page Header Styles for Publications */
.page-header {
    padding: 40px 0 32px 0;
}

.page-header-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    text-align: left;
}

.page-title-left {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    text-align: left;
    margin-left: 20px;
    position: relative;
    display: none;
}

.page-title-left::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: -30px;
    right: -30px;
    height: 2px;
    background: var(--color-accent);
}

.research-intro {
    max-width: 1000px;
    margin: 0 0 32px 20px;
    font-size: 17px;
    line-height: 1.7;
    color: #374151;
    text-align: left;
}

.research-intro p {
    margin-bottom: 0;
}

.research-intro strong {
    color: #1f2937;
    font-weight: 600;
}

.publication-stats-bar {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 48px;
    margin-left: 20px;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 20px;
    border: 1px solid rgba(59, 130, 246, 0.15);
}

.publication-stats-bar .stat-item {
    font-weight: 600;
    color: #4f46e5;
}

.publication-stats-bar .stat-divider {
    color: #9ca3af;
    font-weight: 300;
    margin: 0 4px;
}

.section-footer {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

/* News */
.news-filter {
    display: flex;
    justify-content: flex-start;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    background: var(--color-background);
    color: var(--color-secondary);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

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

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

.news-container {
    display: flex;
    gap: 24px;
    max-width: var(--content-width);
    margin: 0 auto;
}

.news-sidebar {
    width: 120px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.news-list {
    flex: 1;
    border-left: 2px solid rgba(55, 65, 81, 0.2);
    padding-left: 24px;
    max-height: 180px;
    overflow-y: auto;
    padding-right: 8px;
}

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

.news-list::-webkit-scrollbar-track {
    background: rgba(243, 244, 246, 0.3);
    border-radius: 3px;
}

.news-list::-webkit-scrollbar-thumb {
    background: rgba(55, 65, 81, 0.3);
    border-radius: 3px;
}

.news-list::-webkit-scrollbar-thumb:hover {
    background: rgba(55, 65, 81, 0.5);
}

.news-item {
    margin-bottom: 12px;
    line-height: 1.6;
}

.news-item:last-child {
    margin-bottom: 0;
}

.news-date {
    font-weight: 600;
    color: #6366f1;
    font-size: var(--font-size-sm);
    margin-right: var(--spacing-sm);
}

.news-content {
    display: inline;
}

/* Removed Featured Section - keeping basic structure for future use */

.scroll-container {
    display: flex;
    overflow-x: auto;
    gap: 20px;
    padding: 8px 0 16px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
    -webkit-overflow-scrolling: touch;
}

.compact-scroll-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: 400px;
    overflow-y: auto;
    padding-right: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.compact-scroll-container::-webkit-scrollbar {
    width: 6px;
}

.compact-scroll-container::-webkit-scrollbar-track {
    background: var(--color-surface);
    border-radius: 3px;
}

.compact-scroll-container::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.compact-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

.scroll-container::-webkit-scrollbar {
    height: 6px;
}

.scroll-container::-webkit-scrollbar-track {
    background: var(--color-surface);
    border-radius: 3px;
}

.scroll-container::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 3px;
}

.scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-secondary);
}

.featured-card {
    flex: 0 0 auto;
    width: 280px;
    background: var(--color-surface);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--color-border);
    scroll-snap-align: start;
    transition: var(--transition);
}

.featured-card.compact {
    width: 100%;
    display: flex;
    gap: 16px;
    padding: 12px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
}

.featured-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-image {
    width: 100%;
    height: 160px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 12px;
}

.card-image.compact {
    width: 80px;
    height: 60px;
    margin-bottom: 0;
    flex-shrink: 0;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-icon-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border: 2px dashed var(--color-border);
}

.card-icon-placeholder i {
    font-size: 48px;
    color: var(--color-secondary);
    opacity: 0.6;
}

.card-image.compact.card-icon-placeholder i {
    font-size: 24px;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 8px 0;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-tag {
    margin-bottom: 12px;
    font-size: 12px;
    font-weight: 500;
}

.project-tag {
    background: #e0f2fe;
    color: #0277bd;
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-block;
}

.blog-tag {
    background: #f3e5f5;
    color: #7b1fa2;
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-block;
}

.card-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-small {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 11px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-small i {
    margin-right: 4px;
    font-size: 10px;
}

.btn-small.btn-paper {
    background: var(--color-accent);
    color: white;
}

.btn-small.btn-paper:hover {
    background: #1e40af;
    transform: translateY(-1px);
}

.btn-small.btn-code {
    background: var(--color-background);
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-small.btn-code:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-small.btn-demo {
    background: #059669;
    color: white;
}

.btn-small.btn-demo:hover {
    background: #047857;
    transform: translateY(-1px);
}

/* Publications */
.publications-list {
    max-width: var(--content-width);
    margin: 0 auto;
    list-style: none;
    padding: 0;
}

.publication-item {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(55, 65, 81, 0.2);
    align-items: flex-start;
}

.publication-item:last-child {
    margin-bottom: 0;
    border-bottom: none;
}

.year-group {
    margin-bottom: var(--spacing-3xl);
}

.year-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-sm);
    margin-left: 20px;
    position: relative;
}

.year-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: -30px;
    right: -30px;
    height: 2px;
    background: rgba(55, 65, 81, 0.3);
}

.auto-sync-note {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: var(--color-secondary);
    font-style: italic;
    margin-left: var(--spacing-sm);
}

        .publication-image {
            flex-shrink: 0;
            width: 160px;
            height: 90px; /* 16:9 aspect ratio - unified wide format */
            border-radius: var(--border-radius);
            object-fit: contain;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
        }

        /* All images now use the same wide format */
        .publication-image.teaser {
            width: 160px;
            height: 90px;
        }

        .publication-image.square {
            width: 160px;
            height: 90px; /* Changed from square to wide format */
        }

.publication-content {
    flex: 1;
}

.publication-content h3 {
    margin: 0 0 15px 0;
    font-size: 28px;
    font-weight: 600;
    color: #333;
}

.publication-entry {
    margin-bottom: 25px;
}

.publication-venue {
    display: inline-block;
    padding: 4px 12px;
    background: #3b82f6;
    color: #ffffff;
    font-weight: 600;
    font-size: 13px;
    border-radius: 4px;
    margin-right: 8px;
    min-width: 100px;
    text-align: center;
}

.publication-venue-under-review {
    display: inline-block;
    padding: 4px 12px;
    background: #f3f4f6;
    color: #6b7280;
    font-weight: 500;
    font-size: 13px;
    border-radius: 4px;
    margin-right: 8px;
    min-width: 100px;
    text-align: center;
}

.publication-venue-preprint {
    display: inline-block;
    padding: 4px 12px;
    background: #f3f4f6;
    color: #6b7280;
    font-weight: 500;
    font-size: 13px;
    border-radius: 4px;
    margin-right: 8px;
    min-width: 100px;
    text-align: center;
}

.publication-venue-working {
    display: inline-block;
    padding: 4px 12px;
    background: #e0f2fe;
    color: #0277bd;
    font-weight: 600;
    font-size: 13px;
    border-radius: 4px;
    margin-right: 8px;
    min-width: 100px;
    text-align: center;
}

.publication-venue-oral {
    display: inline-block;
    padding: 4px 12px;
    color: #ffffff;
    font-weight: 700;
    background: #f59e0b;
    border-radius: 4px;
    margin-left: 4px;
    margin-right: 8px;
    font-size: 13px;
    min-width: 60px;
    text-align: center;
}

/* Publication award badge (e.g., 🏆 Best Paper) */
.publication-award {
    display: inline-block;
    padding: 4px 10px;
    background: #fff7ed; /* light amber */
    color: #b45309;      /* amber-700 */
    font-weight: 700;
    font-size: 13px;
    border: 1px solid #fed7aa; /* amber-200 */
    border-radius: 4px;
    margin-right: 8px;
}

.publication-venue::after {
    content: "";
}

.publication-title {
    margin: 0 0 6px 0;
    font-size: 16px;
    line-height: 1.4;
    font-weight: 500;

}

.publication-authors {
    margin: 0 0 8px 0;
    font-size: 14px;
    color: #6b7280;
    line-height: 1.4;
    font-weight: 400;
}

.publication-authors strong {
    color: #1f2937;
    font-weight: 700;
    font-size: 15px;
}

.publication-authors .author-highlight {
    color: #111827;
    font-weight: 600;
    font-size: 14.5px;
    position: relative;
}

.publication-authors .author-highlight::after {
    content: '';
    position: absolute;
    bottom: 1px;
    left: 0;
    right: 0;
    height: 1px;
    background: #3b82f6;
    opacity: 0.4;
    border-radius: 0.5px;
}

.publication-links {
    margin: 0;
    font-size: 14px;
}

.publication-links a {
    color: #2563eb;
    text-decoration: none;
}

.publication-links a:hover {
    text-decoration: underline;
}

.publication-links a[href="#"] {
    color: #9ca3af;
    cursor: default;
    font-style: italic;
}

.publication-links a[href="#"]:hover {
    text-decoration: none;
}

.publication-links .coming-soon {
    color: #9ca3af;
    font-style: italic;
    cursor: default;
}

.publication-links i {
    margin-right: 4px;
    width: 14px;
    text-align: center;
    color: var(--color-secondary);
}

.publication-links .ai-arxiv {
    color: #b91c1c;
    font-family: 'Academicons';
}

.publication-links .ai {
    font-family: 'Academicons';
}

.publication-links .fa-github {
    color: #333;
}

.publication-links .fa-youtube {
    color: #ff0000;
}

.publication-links .fa-tv {
    color: #fb7299;
}

.publication-links .fa-database {
    color: #28a745;
}

.publication-links .fa-book-open {
    color: #007bff;
}

/* Experience */
.experience-list {
    max-width: var(--content-width);
    margin: 0 auto;
    list-style: none;
    padding: 0;
}

.experience-item {
    display: flex;
    margin-bottom: var(--spacing-xl);
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.experience-item:last-child {
    margin-bottom: 0;
}

.experience-logo {
    flex-shrink: 0;
    width: 160px;
    height: 90px;
    border-radius: var(--border-radius);
    object-fit: cover;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

.experience-content {
    flex: 1;
}

.experience-position {
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-base);
    line-height: 1.4;
}

.experience-company {
    margin: 0 0 var(--spacing-xs) 0;
    color: #1f2937;
    font-size: var(--font-size-sm);
    line-height: 1.4;
    font-weight: 500;
}

.experience-period {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
    font-style: italic;
}

.experience-description {
    margin: 0;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* Academic Service */
.service-content {
    max-width: var(--content-width);
    margin: 0 auto;
}

.service-summary {
    text-align: left;
}

.service-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.service-description {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    color: var(--color-secondary);
    font-size: var(--font-size-base);
}

.service-description:last-child {
    margin-bottom: 0;
}

.service-description strong {
    color: #1f2937;
    font-weight: 600;
}

/* Education */
.education-list {
    max-width: var(--content-width);
    margin: 0 auto;
    list-style: none;
    padding: 0;
}

.education-item {
    display: flex;
    margin-bottom: var(--spacing-xl);
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.education-item:last-child {
    margin-bottom: 0;
}

.education-period {
    flex-shrink: 0;
    width: 160px; /* Match publication image width for consistency */
    font-weight: 500;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

.education-content {
    flex: 1;
}

.education-degree {
    font-weight: 600;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-xs) 0;
    font-size: var(--font-size-base);
    line-height: 1.4;
}

.education-institution {
    margin: 0 0 var(--spacing-xs) 0;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
    font-weight: 500;
}

.education-details {
    margin: 0;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.4;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-paper {
    background: var(--color-accent);
    color: white;
}

.btn-paper:hover {
    background: #1e40af;
    transform: translateY(-1px);
}

.btn-code {
    background: var(--color-background);
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-code:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-more {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-border);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-more:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-1px);
}

/* Links */
.link {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition);
}

.link:hover {
    color: #1e40af;
}

/* Footer */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-3xl);
    text-align: center;
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

/* Visitor Map Styles */
.visitor-map-section {
    margin-bottom: var(--spacing-lg);
}

.visitor-map-container {
    display: flex;
    justify-content: center;
}

.visitor-map {
    width: 100%;
    max-width: 380px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--color-background);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.visitor-map a {
    display: block;
    text-decoration: none;
}

.visitor-map img {
    display: block;
    width: 100%;
    height: auto;
}

/* Control ClustrMaps widget size */
.visitor-map #clustrmaps {
    max-width: 380px !important;
    width: 100% !important;
}

.visitor-map iframe {
    max-width: 380px !important;
    width: 100% !important;
    height: 220px !important;
    border: none !important;
}

.footer-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.stats-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
}

.stats-item i {
    color: var(--color-accent);
    width: 16px;
    text-align: center;
}

/* Template Credit */
.template-credit {
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.template-credit p {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--color-secondary);
    opacity: 0.8;
}

.template-acknowledgments {
    margin-top: var(--spacing-xs) !important;
    font-style: italic;
    opacity: 0.7 !important;
}

.template-credit a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition);
}

.template-credit a:hover {
    color: #1e40af;
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 260px 1fr;
        gap: 32px;
    }
    
    .profile-image {
        width: 240px;
        height: 240px;
    }

    .hero-links {
        gap: 10px;
    }

    .hero-link {
        min-width: 70px;
        padding: 6px 10px;
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
        gap: var(--spacing-lg);
    }
    
    .nav-link {
        font-size: var(--font-size-base);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .hero-info {
        padding-top: 0;
        text-align: left;
    }
    
    .hero-links {
        justify-content: center;
    }
    
    .profile-image {
        width: 200px;
        height: 200px;
    }

    .news-filter {
        gap: 8px;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .news-container {
        flex-direction: column;
        gap: 16px;
    }
    
    .news-sidebar {
        width: auto;
        flex-direction: row;
        gap: 8px;
        overflow-x: auto;
    }
    
    .news-list {
        border-left: none;
        padding-left: 0;
        padding-top: 16px;
        max-height: 160px;
        overflow-y: auto;
        padding-right: 8px;
    }
    
    .news-item,
    .education-item {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .experience-item {
        flex-direction: row;
        gap: var(--spacing-md);
    }
    
    .experience-logo {
        width: 80px;
        height: 60px;
        flex-shrink: 0;
    }
    
    .publication-item {
        gap: 15px;
        padding-bottom: 24px;
        margin-bottom: 32px;
    }
    
    .publication-image {
        width: 120px;
        height: 68px;
    }
    
    .news-date,
    .education-period,
    .experience-period,
    .publication-year {
        min-width: auto;
        font-weight: 600;
    }
    
    .section {
        padding: var(--spacing-2xl) 0;
    }
    
    .section-alt {
        margin-top: 24px;
        padding-top: 16px;
    }
    
    .section-title {
        font-size: var(--font-size-md);
        margin-bottom: var(--spacing-xl);
        margin-left: 0;
    }
    
    .section-title::after {
        left: -10px;
        right: -10px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        gap: var(--spacing-md);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .profile-image {
        width: 180px;
        height: 180px;
    }

    .featured-card {
        width: 240px;
    }

    .featured-tabs {
        gap: 4px;
    }

    .featured-tab {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .publication-title {
        font-size: var(--font-size-base);
    }
    
    .publication-item {
        gap: 12px;
    }
    
    .publication-image {
        width: 100px;
        height: 56px;
    }
    
    .publication-venue {
        width: 75px;
        font-size: 12px;
        padding: 2px 6px;
    }
    
    .publication-venue-oral {
        font-size: 12px;
        padding: 2px 6px;
    }
    
    .visitor-map {
        max-width: 320px;
    }
    
    .visitor-map iframe {
        height: 180px !important;
    }
    
    .footer-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
    
    .section-alt {
        margin-top: 20px;
        padding-top: 12px;
    }
    
    /* Publications page responsive */
    .page-title-left, 
    .year-title {
        margin-left: 0;
        font-size: 24px;
    }
    
    .page-title-left::after,
    .year-title::after {
        left: -10px;
        right: -10px;
    }
    
    .research-intro, 
    .publication-stats-bar {
        margin-left: 0;
    }
    
    .publication-stats-bar {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: 4px;
        font-size: 12px;
        padding: 5px 12px;
    }
    
    .publication-stats-bar .stat-divider {
        display: none;
    }
    
    .publication-stats-bar .stat-item {
        background: rgba(59, 130, 246, 0.1);
        padding: 2px 8px;
        border-radius: 12px;
        font-size: 11px;
    }
}