@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=Kalam:wght@300;400;700&display=swap');

/* Base Styles */
body {
    font-family: 'Inter', sans-serif;
    color: #0f172a; /* slate-900 */
    background-color: #f8fafc; /* slate-50 */
    line-height: 1.6;
}

/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Crimson Text', serif;
}

.font-serif {
    font-family: 'Crimson Text', serif;
}

.font-sans {
    font-family: 'Inter', sans-serif;
}

/* Glassmorphism Navigation */
.glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.nav-item {
    position: relative;
    font-weight: 500;
    color: #475569; /* slate-600 */
    transition: color 0.2s;
}

.nav-item:hover {
    color: #1e293b; /* slate-800 */
}

.nav-item::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #d4a562; /* accent */
    transition: width 0.3s ease;
}

.nav-item:hover::after {
    width: 100%;
}

/* Hero Section */
.profile-image-container {
    position: relative;
    z-index: 10;
}

/* Section Styling */
section {
    position: relative;
}

.section-header h2 {
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 40%;
    height: 3px;
    background-color: rgba(212, 165, 98, 0.3); /* accent with opacity */
    z-index: -1;
}

/* Main Layout Grid */
.grid-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .grid-layout {
        grid-template-columns: 320px 1fr;
        gap: 4rem;
        align-items: start;
    }
}

/* Profile Column - Sticky on Scroll */
.profile-column {
    position: relative;
}

@media (min-width: 1024px) {
    .profile-column {
        position: sticky;
        top: 7rem; /* Adjust based on nav height (pt-20 lg:pt-28) */
        align-self: start;
        max-height: calc(100vh - 7rem);
        overflow-y: auto;
    }
}

/* Cards */
.news-card, .research-card, .contact-card {
    transition: all 0.3s ease;
}

.news-card:hover, .research-card:hover, .contact-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: #cbd5e1; /* slate-300 */
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Utility */
.text-accent {
    color: #d4a562;
}

.bg-accent {
    background-color: #d4a562;
}

.border-accent {
    border-color: #d4a562;
}

.hover\:text-accent:hover {
    color: #d4a562;
}

/* Research Highlights (Accordion/Details Style if needed, but using clean list for now) */
details summary {
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: justify;
}

/* New Publication List Styles */
.pub-year-group {
    margin-bottom: 2.5rem;
}

.pub-year-header {
    font-family: 'Crimson Text', serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1.25rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e2e8f0;
    display: inline-block;
}

.pub-list-container {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.pub-card {
    position: relative;
    padding: 0;
    padding-left: 1.25rem;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
}

.pub-card:hover {
    border-left-color: #d4a562;
    padding-left: 1.5rem;
    transform: translateX(4px);
}

.pub-card::before {
    content: '▸';
    position: absolute;
    left: -8px;
    top: 0.1rem;
    font-size: 0.9rem;
    color: #d4a562;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateX(-10px);
}

.pub-card:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.pub-card.expanded::before {
    content: '▾';
    opacity: 1;
    transform: translateX(0) rotate(0deg);
}

.pub-card-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease, margin-top 0.3s ease;
    opacity: 0;
    margin-top: 0;
}

.pub-card.expanded .pub-card-details {
    max-height: 2000px;
    opacity: 1;
    margin-top: 1rem;
}

.pub-card-summary {
    transition: all 0.3s ease;
}

.pub-card.expanded .pub-card-summary {
    margin-bottom: 0.5rem;
}

/* Publication Image and Abstract Styles */
.pub-image-container {
    margin: 1rem 0;
    text-align: center;
    display: none;
}

.pub-image-container:has(img) {
    display: block;
}

.pub-card.expanded .pub-image-container:has(img) {
    display: block;
    animation: fadeIn 0.4s ease;
}

.pub-image-container img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.pub-image-container img.small-image {
    max-width: 60%;
    display: block;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .pub-image-container img {
        max-width: 100%;
    }
    
    .pub-image-container img.small-image {
        max-width: 100%;
    }
}

.pub-image-container img:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

/* Image Modal Styles */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    animation: fadeIn 0.3s ease;
}

.image-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10000;
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
}

.image-modal-close:hover,
.image-modal-close:focus {
    color: #d4a562;
    background-color: rgba(0, 0, 0, 0.7);
    text-decoration: none;
}

.image-modal-caption {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: #f1f1f1;
    font-size: 1rem;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.6);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    max-width: 90%;
}

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .image-modal-close {
        top: 10px;
        right: 15px;
        font-size: 30px;
        width: 35px;
        height: 35px;
    }
    
    .image-modal-content {
        max-width: 95%;
        max-height: 85vh;
    }
    
    .image-modal-caption {
        font-size: 0.9rem;
        bottom: 10px;
        padding: 0.4rem 0.8rem;
    }
}

.pub-abstract {
    margin: 1rem 0;
    padding: 1rem;
    background: #f8fafc;
    border-left: 3px solid #d4a562;
    border-radius: 4px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: #475569;
    display: none;
}

.pub-abstract:has(p) {
    display: block;
}

.pub-card.expanded .pub-abstract:has(p) {
    display: block;
    animation: fadeIn 0.4s ease;
}

.pub-abstract-title {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pub-title-text {
    font-size: 1.05rem;
    font-weight: 600;
    color: #1e293b;
    line-height: 1.6;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pub-venue-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.01em;
    flex-shrink: 0;
}

.tag-conference {
    background-color: #fee2e2;
    color: #dc2626;
}

.tag-workshop {
    background-color: #dbeafe;
    color: #2563eb;
}

.tag-review {
    background-color: #fef3c7;
    color: #d97706;
}

.pub-authors {
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.pub-authors strong {
    color: #1e293b;
    font-weight: 600;
}

.pub-venue-info {
    font-size: 0.9rem;
    color: #64748b;
    font-style: italic;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pub-links {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pub-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    padding: 0.35rem 0.7rem;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    color: #475569;
    text-decoration: none;
    transition: all 0.2s ease;
    background-color: white;
    font-weight: 500;
}

.pub-link-btn i {
    font-size: 0.75rem;
}

.pub-link-btn:hover {
    border-color: #d4a562;
    color: #d4a562;
    background-color: #fffbeb;
}

.pub-link-btn.active {
    border-color: #d4a562;
    color: #d4a562;
    background-color: #fffbeb;
}

/* Thumbnail box styles for interactive publications */
.pub-thumbnail-box {
    margin-top: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    text-align: center;
    overflow: hidden;
}

.pub-thumbnail-box img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

/* Legacy list styles for JSON-loaded publications */
.pub-list-ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pub-list-item {
    position: relative;
    padding: 0;
    padding-left: 1.25rem;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    margin-bottom: 1.75rem;
}

.pub-list-item:hover {
    border-left-color: #d4a562;
    padding-left: 1.5rem;
    transform: translateX(4px);
}

.pub-list-item::before {
    content: '▸';
    position: absolute;
    left: -8px;
    top: 0.1rem;
    font-size: 0.9rem;
    color: #d4a562;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateX(-10px);
}

.pub-list-item:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.pub-content-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pub-line-1, .pub-line-2, .pub-line-3 {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.pub-line-1 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #1e293b;
    line-height: 1.6;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.pub-line-2 {
    font-size: 0.95rem;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

.pub-line-2 strong {
    color: #1e293b;
    font-weight: 600;
}

.pub-line-3 {
    font-size: 0.9rem;
    color: #64748b;
    font-style: italic;
    margin-bottom: 0.75rem;
}

.pub-btn-preview {
    cursor: pointer;
}

.pub-list-item.with-thumbnail-expanded .pub-thumbnail-box {
    display: block !important;
    animation: slideDown 0.3s ease;
}

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

/* Publication Card Typography (Legacy/Unused for now) */
.pub-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b; /* primary */
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.pub-authors {
    font-size: 0.95rem;
    color: #64748b; /* muted */
    margin-bottom: 0.5rem;
}

.pub-venue {
    font-size: 0.9rem;
    font-weight: 500;
    color: #64748b; /* muted */
    margin-bottom: 1rem;
    font-style: italic;
}

.pub-highlight {
    font-size: 0.85rem;
    color: #d97706; /* amber-600 */
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Publication CCF Ranks and Badges */
.pub-badge-highlight {
    display: inline-block;
    background-color: #ef4444;
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    letter-spacing: 0.01em;
    text-transform: uppercase;
    flex-shrink: 0;
}

.ccf-rank {
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    display: inline-block;
}

.ccf-a {
    background-color: #fee2e2;
    color: #dc2626;
}

.ccf-b {
    background-color: #dbeafe;
    color: #2563eb;
}

.ccf-c {
    background-color: #d1fae5;
    color: #16a34a;
}

.publication:hover {
    border-color: #d4a562; /* accent */
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
    transform: translateY(-2px);
}

/* Venue Logo - Hidden for Text-Only Style */
.venue-logo {
    display: none;
}

/* News Scroll Wrapper */
.news-scroll-wrapper {
    position: relative;
    height: 300px;
    max-height: 300px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-sizing: border-box;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.news-list {
    flex: 1;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    padding-right: 8px;
    margin: 0;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: #d4a562 rgba(0, 0, 0, 0.05);
    position: relative;
    will-change: scroll-position;
    min-height: 0;
}

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

.news-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.02);
    border-radius: 10px;
}

.news-list::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #d4a562, #b88a4d);
    border-radius: 10px;
    transition: background 0.2s ease;
}

.news-list::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #b88a4d, #d4a562);
}

/* News Item Dashed Line */
.news-item {
    position: relative;
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 1.5rem;
    align-items: baseline;
    padding: 0.75rem 0;
    padding-left: 1rem;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
    margin-bottom: 0.5rem;
}

.news-item:hover {
    border-left-color: #d4a562;
    background: linear-gradient(90deg, rgba(212, 165, 98, 0.08) 0%, rgba(184, 138, 77, 0.04) 100%);
    padding-left: 1.5rem;
    transform: translateX(4px);
}

.news-item::before {
    content: '▸';
    position: absolute;
    left: -8px;
    top: 0.85rem;
    font-size: 0.9rem;
    color: #d4a562;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateX(-10px);
}

.news-item:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.news-date {
    font-family: 'Kalam', cursive; /* Cleaner, wider handwriting font */
    font-weight: 400; 
    font-size: 0.9rem; 
    color: #64748b;
    white-space: nowrap;
    display: inline-block;
    min-width: 100px;
    background: linear-gradient(135deg, rgba(212, 165, 98, 0.1) 0%, rgba(184, 138, 77, 0.1) 100%);
    padding: 0.35rem 0.8rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid rgba(212, 165, 98, 0.2);
}

.news-content {
    font-family: 'Kalam', cursive; /* Cleaner, wider handwriting font */
    font-size: 0.95rem; 
    color: #334155;
    line-height: 1.5;
}

.news-content a {
    color: #1e293b;
    text-decoration: none;
    font-weight: 600;
    position: relative;
    transition: all 0.3s ease;
}

.news-content a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #d4a562;
    transition: width 0.3s ease;
}

.news-content a:hover {
    color: #d4a562;
}

.news-content a:hover::after {
    width: 100%;
}

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

/* Formal Text */
.formal-font {
    font-family: 'Times New Roman', Times, serif;
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Highlight box font (for the callout in About section) */
.font-highlight {
    font-family: 'Kalam', cursive;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Service Section */
.service-category {
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #f1f5f9;
    margin-bottom: 1.5rem;
}

.service-category:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.service-category h3 {
    font-size: 1rem; /* Match education header size */
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.35rem;
    font-family: 'Inter', sans-serif;
}

.service-items {
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem; /* Match education text size (approx) */
    color: #475569;
    line-height: 1.5;
}

/* Honors Section Styling */
.honor-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 1.5rem;
    align-items: baseline;
    margin-bottom: 1.5rem;
}

.honor-year {
    font-family: 'Courier New', Courier, monospace;
    font-weight: 700;
    font-size: 0.9rem;
    color: #d4a562; /* accent */
    text-align: right;
    white-space: nowrap;
}

.honor-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b; /* primary */
}

/* Responsive adjustments for publications */
@media (max-width: 768px) {
    .pub-card {
        padding-left: 1rem;
    }
    
    .pub-card:hover {
        padding-left: 1.25rem;
    }
    
    .pub-title-text {
        font-size: 1rem;
        gap: 0.4rem;
    }
    
    .pub-year-header {
        font-size: 1.35rem;
    }
    
    .pub-venue-tag {
        font-size: 0.75rem;
        padding: 0.2rem 0.5rem;
    }
    
    .pub-badge-highlight {
        font-size: 0.65rem;
        padding: 0.2rem 0.5rem;
    }
    
    .pub-links {
        gap: 0.5rem;
    }
    
    .pub-link-btn {
        font-size: 0.75rem;
        padding: 0.3rem 0.6rem;
    }
}