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

/* Root Variables for Adaptive Scaling */
:root {
    --base-font-size: 16px;
    --scale-factor: 1;

    /* Fluid spacing */
    --spacing-xs: clamp(0.25rem, 0.5vw, 0.5rem);
    --spacing-sm: clamp(0.5rem, 1vw, 1rem);
    --spacing-md: clamp(1rem, 2vw, 1.875rem);
    --spacing-lg: clamp(1.5rem, 3vw, 2.5rem);
    --spacing-xl: clamp(2rem, 4vw, 3.5rem);

    /* Fluid typography */
    --font-xs: clamp(0.75rem, 0.7vw + 0.5rem, 0.875rem);
    --font-sm: clamp(0.875rem, 0.8vw + 0.6rem, 1rem);
    --font-base: clamp(1rem, 1vw + 0.7rem, 1.125rem);
    --font-md: clamp(1.125rem, 1.2vw + 0.8rem, 1.375rem);
    --font-lg: clamp(1.5rem, 1.5vw + 1rem, 2rem);
    --font-xl: clamp(1.75rem, 2vw + 1.2rem, 2.5rem);
    --font-2xl: clamp(2rem, 2.5vw + 1.5rem, 3.5rem);

    /* Fluid borders and radius */
    --border-radius-sm: clamp(0.5rem, 1vw, 0.75rem);
    --border-radius-md: clamp(0.75rem, 1.5vw, 1.25rem);
    --border-radius-lg: clamp(1rem, 2vw, 1.5rem);

    /* Fluid dimensions */
    --avatar-size: clamp(100px, 15vw, 150px);
    --sidebar-width: clamp(280px, 25vw, 400px);
    --card-gap: clamp(1rem, 2vw, 1.875rem);

    /* Light Mode Colors */
    --bg-gradient-start: #e8e8e8;
    --bg-gradient-end: #f5f5f5;
    --orb-1-start: #d0d0d0;
    --orb-1-end: #c0c0c0;
    --orb-2-start: #b8b8b8;
    --orb-2-end: #d8d8d8;
    --orb-3-start: #c8c8c8;
    --orb-3-end: #e0e0e0;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-bg-hover: rgba(255, 255, 255, 0.85);
    --glass-btn-bg: rgba(255, 255, 255, 0.6);
    --glass-btn-bg-hover: rgba(255, 255, 255, 0.8);
    --text-primary: #1a1a1a;
    --text-secondary: rgba(0, 0, 0, 0.7);
    --text-tertiary: rgba(0, 0, 0, 0.6);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-strong: rgba(0, 0, 0, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --timeline-line: rgba(59, 130, 246, 0.6);
}

/* Dark Mode Colors */
[data-theme="dark"] {
    --bg-gradient-start: #1a1d2e;
    --bg-gradient-end: #232738;
    --orb-1-start: #2d3250;
    --orb-1-end: #424769;
    --orb-2-start: #424769;
    --orb-2-end: #2d3250;
    --orb-3-start: #1a1d2e;
    --orb-3-end: #2d3250;
    --glass-bg: rgba(42, 46, 68, 0.7);
    --glass-bg-hover: rgba(42, 46, 68, 0.85);
    --glass-btn-bg: rgba(42, 46, 68, 0.6);
    --glass-btn-bg-hover: rgba(42, 46, 68, 0.8);
    --text-primary: #e8eaf0;
    --text-secondary: rgba(232, 234, 240, 0.8);
    --text-tertiary: rgba(232, 234, 240, 0.6);
    --border-color: rgba(232, 234, 240, 0.1);
    --border-color-strong: rgba(232, 234, 240, 0.15);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --timeline-line: rgba(99, 162, 255, 0.6);
}

html {
    font-size: var(--base-font-size);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    font-size: var(--font-base);
    transition: color 0.3s ease;
}

/* Animated Background */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    z-index: -1;
    overflow: hidden;
    transition: background 0.3s ease;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(clamp(60px, 8vw, 80px));
    opacity: 0.6;
    animation: float 20s infinite ease-in-out;
    will-change: transform;
}

.orb-1 {
    width: clamp(300px, 40vw, 500px);
    height: clamp(300px, 40vw, 500px);
    background: linear-gradient(135deg, var(--orb-1-start) 0%, var(--orb-1-end) 100%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
    transition: background 0.3s ease;
}

.orb-2 {
    width: clamp(250px, 35vw, 400px);
    height: clamp(250px, 35vw, 400px);
    background: linear-gradient(135deg, var(--orb-2-start) 0%, var(--orb-2-end) 100%);
    top: 50%;
    right: -10%;
    animation-delay: 7s;
    transition: background 0.3s ease;
}

.orb-3 {
    width: clamp(350px, 45vw, 600px);
    height: clamp(350px, 45vw, 600px);
    background: linear-gradient(135deg, var(--orb-3-start) 0%, var(--orb-3-end) 100%);
    bottom: -20%;
    left: 30%;
    animation-delay: 14s;
    transition: background 0.3s ease;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(100px, -100px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 100px) scale(0.9);
    }
}

/* Glass Morphism Effect */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(clamp(15px, 2vw, 20px)) saturate(180%);
    -webkit-backdrop-filter: blur(clamp(15px, 2vw, 20px)) saturate(180%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: 0 clamp(0.5rem, 1vw, 0.75rem) clamp(2rem, 3vw, 2.5rem) 0 var(--shadow-color);
    transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, border 0.3s ease;
    will-change: transform;
}

.glass-card:hover {
    background: var(--glass-bg-hover);
    transform: translateY(clamp(-3px, -0.5vw, -5px));
    box-shadow: 0 clamp(0.75rem, 1.2vw, 1rem) clamp(2.5rem, 4vw, 3rem) 0 var(--shadow-color);
}

.glass-btn {
    background: var(--glass-btn-bg);
    backdrop-filter: blur(clamp(8px, 1.5vw, 10px));
    -webkit-backdrop-filter: blur(clamp(8px, 1.5vw, 10px));
    border: 1px solid var(--border-color-strong);
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
}

.glass-btn:hover {
    background: var(--glass-btn-bg-hover);
    transform: translateY(clamp(-1px, -0.3vw, -2px));
    box-shadow: 0 clamp(0.3rem, 0.6vw, 0.5rem) clamp(1rem, 1.5vw, 1.25rem) var(--shadow-color);
}

/* Page Navigation - Integrated in Sidebar */
.page-navigation {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    font-size: var(--font-base);
    font-weight: 500;
    transition: all 0.3s ease;
    text-align: left;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    line-height: 1.5;
}

.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-md);
    line-height: 1;
    vertical-align: middle;
}

.nav-text {
    display: inline-flex;
    align-items: center;
    line-height: 1;
    vertical-align: middle;
}

.nav-btn:hover {
    background: rgba(59, 130, 246, 0.9);
    color: #ffffff;
    transform: scale(1.02);
    box-shadow: 0 clamp(0.3rem, 0.6vw, 0.5rem) clamp(1rem, 1.5vw, 1.25rem) rgba(59, 130, 246, 0.4);
}

.nav-btn.active {
    background: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    box-shadow: 0 clamp(0.2rem, 0.4vw, 0.3rem) clamp(0.5rem, 1vw, 0.75rem) rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-btn.active:hover {
    background: rgba(59, 130, 246, 0.9);
    color: #ffffff;
    border-color: rgba(59, 130, 246, 0.9);
}

/* Layout */
.container {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
    max-width: clamp(1200px, 90vw, 1600px);
    margin: 0 auto;
    min-height: 100vh;
}

/* Sidebar Styles */
.sidebar {
    padding: var(--spacing-xl);
    position: sticky;
    top: var(--spacing-lg);
    height: fit-content;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.profile-section {
    text-align: center;
}

.avatar {
    width: var(--avatar-size);
    height: var(--avatar-size);
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    overflow: hidden;
    border: clamp(2px, 0.3vw, 3px) solid rgba(0, 0, 0, 0.15);
    box-shadow: 0 clamp(0.5rem, 1vw, 0.75rem) clamp(1.25rem, 2vw, 1.5rem) rgba(0, 0, 0, 0.15);
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transform: scale(1.1);
}

.name {
    font-size: var(--font-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: #1a1a1a;
}

.title {
    font-size: var(--font-base);
    color: rgba(0, 0, 0, 0.7);
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.inline-logo {
    height: 3.5em;
    width: auto;
    vertical-align: middle;
    display: inline-block;
    margin: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.title a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    border: none;
}

.title a:hover .inline-logo {
    transform: scale(1.08);
    opacity: 0.85;
}

.info-section {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: var(--spacing-md);
}

.info-section h3 {
    font-size: var(--font-md);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: #1a1a1a;
}

.bio {
    font-size: var(--font-sm);
    line-height: 1.8;
    color: rgba(0, 0, 0, 0.75);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-sm);
    color: rgba(0, 0, 0, 0.75);
}

.icon {
    font-size: var(--font-md);
}

/* Attending Section */
.attending-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.attending-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.attending-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(3px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.attending-icon {
    font-size: var(--font-lg);
    flex-shrink: 0;
    line-height: 1;
}

.attending-info {
    flex: 1;
    min-width: 0;
}

.attending-title {
    font-size: var(--font-sm);
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.attending-details {
    font-size: var(--font-xs);
    color: rgba(0, 0, 0, 0.6);
    margin: 0;
    line-height: 1.4;
}

/* Visitor Map Container */
.visitor-map-container {
    width: 100%;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    padding: var(--spacing-sm);
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.visitor-map-container:hover {
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.visitor-map-container a {
    display: block;
    text-decoration: none;
    line-height: 0;
}

.visitor-map-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-sm);
    opacity: 0.95;
    transition: opacity 0.3s ease;
}

.visitor-map-container:hover img {
    opacity: 1;
}

/* 3D Globe Container */
#globe-container {
    width: 100%;
    height: 280px;
    background: rgba(10, 25, 47, 0.8);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.15),
        inset 0 0 30px rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
    position: relative;
}

#globe-container:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.2),
        inset 0 0 40px rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

#globe-container canvas {
    border-radius: var(--border-radius-md);
}

/* Dark mode globe container */
[data-theme="dark"] #globe-container {
    background: rgba(15, 30, 55, 0.9);
    border-color: rgba(99, 162, 255, 0.3);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.3),
        inset 0 0 30px rgba(99, 162, 255, 0.15);
}

[data-theme="dark"] #globe-container:hover {
    border-color: rgba(99, 162, 255, 0.5);
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.4),
        inset 0 0 40px rgba(99, 162, 255, 0.2);
}

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

.skill-tag {
    background: rgba(255, 255, 255, 0.8);
    padding: clamp(0.375rem, 0.5vw, 0.5rem) clamp(0.875rem, 1.2vw, 1rem);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-xs);
    font-weight: 500;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #1a1a1a;
}

.social-links {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    width: 100%;
}

.social-btn {
    flex: 1 1 calc(33.333% - var(--spacing-sm));
    min-width: 0;
    padding: clamp(0.5rem, 1vw, 0.75rem) clamp(0.5rem, 1vw, 1rem);
    text-align: center;
    text-decoration: none;
    color: #1a1a1a;
    font-size: clamp(0.75rem, 0.9vw + 0.5rem, 0.875rem);
    font-weight: 500;
    display: inline-block;
    transition: all 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    box-sizing: border-box;
}

/* Content Area */
.content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.section-title {
    font-size: var(--font-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: #1a1a1a;
}

/* News Section - Vertical Timeline */
.news-section {
    margin-bottom: var(--spacing-lg);
}

.news-timeline-container {
    padding: var(--spacing-lg) var(--spacing-xl);
    position: relative;
    max-height: clamp(400px, 50vh, 600px);
    overflow: hidden;
}

.timeline-scroll-wrapper {
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: var(--spacing-sm);
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.2) transparent;
}

.timeline-scroll-wrapper::-webkit-scrollbar {
    width: 6px;
}

.timeline-scroll-wrapper::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.timeline-scroll-wrapper::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 3px;
}

.timeline-scroll-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

.timeline {
    position: relative;
    padding-left: clamp(2rem, 4vw, 3rem);
}

/* Vertical timeline line */
.timeline::before {
    content: '';
    position: absolute;
    left: clamp(0.875rem, 1.5vw, 1.125rem);
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(
        180deg,
        rgba(59, 130, 246, 0.3) 0%,
        rgba(59, 130, 246, 0.6) 50%,
        rgba(59, 130, 246, 0.3) 100%
    );
}

.timeline-item {
    position: relative;
    padding-bottom: var(--spacing-xl);
    opacity: 0;
    transform: translateX(-30px);
    animation: slideInTimeline 0.6s ease-out forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }
.timeline-item:nth-child(6) { animation-delay: 0.6s; }

@keyframes slideInTimeline {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

.timeline-marker {
    position: absolute;
    left: calc(-1 * clamp(2rem, 4vw, 3rem));
    top: 0;
    width: clamp(1.8rem, 3vw, 2.2rem);
    height: clamp(1.8rem, 3vw, 2.2rem);
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(59, 130, 246, 0.4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-marker {
    transform: scale(1.15);
    border-color: rgba(59, 130, 246, 0.7);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
}

.timeline-icon {
    font-size: clamp(0.9rem, 1.5vw, 1.1rem);
    animation: pulseIcon 2.5s ease-in-out infinite;
}

@keyframes pulseIcon {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.08);
    }
}

.timeline-content {
    background: rgba(255, 255, 255, 0.5);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-content {
    background: rgba(255, 255, 255, 0.7);
    transform: translateX(5px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.timeline-date {
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: rgba(59, 130, 246, 0.8);
    background: rgba(59, 130, 246, 0.1);
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    margin-bottom: var(--spacing-sm);
}

.timeline-title {
    font-size: var(--font-md);
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.timeline-text {
    font-size: var(--font-sm);
    color: rgba(0, 0, 0, 0.75);
    line-height: 1.6;
    margin: 0;
}

/* Publications Section */
.publications-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.project-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: row;
    align-items: stretch;
}

.project-image {
    width: clamp(200px, 25vw, 280px);
    min-height: clamp(150px, 18vw, 200px);
    overflow: hidden;
    background: rgba(200, 200, 200, 0.3);
    flex-shrink: 0;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
}

.project-content h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: #1a1a1a;
    line-height: 1.3;
}

.project-content p {
    font-size: var(--font-sm);
    color: rgba(0, 0, 0, 0.75);
    line-height: 1.6;
    flex: 1;
}

.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    flex: 1;
    align-items: center;
    min-width: 0;
}

.tag {
    background: rgba(255, 255, 255, 0.8);
    padding: clamp(0.25rem, 0.4vw, 0.375rem) clamp(0.75rem, 1vw, 0.875rem);
    border-radius: var(--border-radius-md);
    font-size: var(--font-xs);
    font-weight: 500;
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #1a1a1a;
}

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

.project-link {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    color: #1a1a1a;
    font-size: var(--font-xs);
    font-weight: 500;
    transition: all 0.3s ease;
}

.project-link:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(clamp(-1px, -0.3vw, -2px));
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: clamp(280px, 30vw, 350px);
    }
}

@media (max-width: 968px) {
    .container {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: relative;
        top: 0;
    }

    .project-card {
        flex-direction: column;
    }

    .project-image {
        width: 100%;
        min-height: clamp(180px, 25vw, 220px);
    }

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

    .project-tags {
        width: 100%;
    }

    .project-links {
        width: 100%;
    }

    /* Timeline adjustments for tablets */
    .news-timeline-container {
        max-height: clamp(350px, 45vh, 500px);
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .timeline {
        padding-left: clamp(1.5rem, 3vw, 2.5rem);
    }

    .timeline-marker {
        width: clamp(2rem, 3.5vw, 2.5rem);
        height: clamp(2rem, 3.5vw, 2.5rem);
    }
}

@media (max-width: 640px) {
    :root {
        /* Adjust scaling for smaller screens */
        --spacing-xs: clamp(0.25rem, 1vw, 0.375rem);
        --spacing-sm: clamp(0.5rem, 1.5vw, 0.75rem);
        --spacing-md: clamp(0.875rem, 2.5vw, 1.25rem);
        --spacing-lg: clamp(1.25rem, 3.5vw, 1.875rem);
        --spacing-xl: clamp(1.5rem, 4.5vw, 2.5rem);
    }

    .social-links {
        flex-direction: column;
    }

    /* Timeline adjustments for mobile */
    .news-timeline-container {
        max-height: clamp(300px, 40vh, 450px);
        padding: var(--spacing-md);
    }

    .timeline {
        padding-left: 1.5rem;
    }

    .timeline::before {
        left: 0.75rem;
    }

    .timeline-marker {
        left: calc(-1 * 1.5rem);
        width: 2rem;
        height: 2rem;
        border-width: 2px;
    }

    .timeline-icon {
        font-size: 1rem;
    }

    .timeline-content {
        padding: var(--spacing-sm);
    }

    .timeline-date {
        font-size: 0.65rem;
        padding: 0.2rem 0.5rem;
    }

    .timeline-title {
        font-size: 0.9rem;
    }

    .timeline-text {
        font-size: 0.8rem;
    }

    .timeline-item {
        padding-bottom: var(--spacing-lg);
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection Color - Gray Theme */
::selection {
    background: rgba(59, 130, 246, 0.2);
    color: #1a1a1a;
}

/* Scrollbar Styling - Gray Theme */
::-webkit-scrollbar {
    width: clamp(8px, 1vw, 10px);
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: clamp(3px, 0.5vw, 5px);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

/* Adaptive Zoom Support - Ensures proper scaling at all zoom levels */
@media (min-resolution: 120dpi) {
    body {
        -webkit-text-size-adjust: 100%;
        text-size-adjust: 100%;
    }
}

/* Container Query Support for Modern Browsers */
@supports (container-type: inline-size) {
    .sidebar {
        container-type: inline-size;
        container-name: sidebar;
    }

    .content {
        container-type: inline-size;
        container-name: content;
    }

    @container sidebar (max-width: 350px) {
        .avatar {
            width: clamp(80px, 20vw, 120px);
            height: clamp(80px, 20vw, 120px);
        }

        .name {
            font-size: var(--font-lg);
        }
    }

    @container content (max-width: 600px) {
        .news-grid,
        .publications-grid {
            flex-direction: column;
        }
    }
}

/* ============================================
   Liquid Glass Effects (matching liquid-glass-js parameters)
   ============================================ */

/* Liquid Glass Variables - Exact values from liquid-glass-js */
:root {
    --glass-blur: 2px;
    --glass-tint-opacity: 0.2;
    --glass-edge-intensity: 0.01;
    --glass-rim-intensity: 0.05;
    --glass-base-intensity: 0.01;
    --glass-edge-distance: 0.15;
    --glass-rim-distance: 0.8;
    --glass-corner-boost: 0.02;
}

/* Liquid Glass Icon */
.liquid-glass-icon {
    width: clamp(48px, 6vw, 64px);
    height: clamp(48px, 6vw, 64px);
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 10;
    transform-style: preserve-3d;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.liquid-glass-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
    animation: liquidPulse 3s ease-in-out infinite;
}

/* Base Glass Layer - Tint Overlay */
.liquid-glass-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: var(--border-radius-lg);
    background: rgba(255, 255, 255, var(--glass-tint-opacity));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    mix-blend-mode: overlay;
}

.project-card:hover .liquid-glass-overlay {
    opacity: 1;
}

/* Edge Layer - Subtle edge refraction (intensity: 0.01) */
.liquid-glass-edge {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: var(--border-radius-lg);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, calc(var(--glass-edge-intensity) * 100)),
        inset 0 1px 0 rgba(255, 255, 255, calc(var(--glass-edge-intensity) * 80));
    transition: box-shadow 0.3s ease;
    z-index: 2;
}

.project-card:hover .liquid-glass-edge {
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, calc(var(--glass-edge-intensity) * 120)),
        inset 0 1px 0 rgba(255, 255, 255, calc(var(--glass-edge-intensity) * 100)),
        inset 0 -1px 0 rgba(0, 0, 0, calc(var(--glass-edge-intensity) * 50));
}

/* Rim Layer - Subtle rim glow (intensity: 0.05) */
.liquid-glass-rim {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    border-radius: var(--border-radius-lg);
    background: radial-gradient(
        ellipse at 50% 0%,
        rgba(255, 255, 255, var(--glass-rim-intensity)) 0%,
        transparent calc(var(--glass-rim-distance) * 50%)
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
}

.project-card:hover .liquid-glass-rim {
    opacity: 1;
}

/* Enhanced Project Card for Liquid Glass */
.project-card {
    position: relative;
    isolation: isolate;
    transform-style: preserve-3d;
}

.project-card.liquid-glass-active {
    animation: cardReveal 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes cardReveal {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Coordinate Sidebar with Projects */
.sidebar {
    transition: background 0.5s ease, backdrop-filter 0.5s ease;
    will-change: background;
}

.sidebar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: var(--border-radius-lg);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.15) 0%,
        rgba(255, 255, 255, 0.05) 100%
    );
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: -1;
}

.sidebar:hover::before {
    opacity: 1;
}

/* Enhanced Glass Effect for Project Content */
.project-content {
    position: relative;
    background: rgba(255, 255, 255, var(--glass-base-intensity));
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
}

.project-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255, 255, 255, var(--glass-edge-intensity));
}

/* Icon Hover Effect - Subtle 3D lift */
.liquid-glass-icon:hover {
    transform: perspective(800px) translateZ(10px) scale(1.05);
}

/* Subtle Pulse Animation for Icons */
@keyframes liquidPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.95;
    }
    50% {
        transform: scale(1.02);
        opacity: 1;
    }
}

/* Glass Card with precise blur matching liquid-glass-js */
.glass-card {
    background: rgba(255, 255, 255, var(--glass-tint-opacity));
    backdrop-filter: blur(var(--glass-blur)) saturate(180%);
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
}

/* Project Card Base Layer */
.project-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, var(--glass-base-intensity));
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
    border-radius: var(--border-radius-lg);
}

.project-card:hover::after {
    opacity: 1;
}

/* Responsive Adjustments for Liquid Glass */
@media (max-width: 968px) {
    .liquid-glass-icon {
        width: clamp(40px, 8vw, 56px);
        height: clamp(40px, 8vw, 56px);
    }

    .liquid-glass-edge {
        border-width: 1.5px;
    }
}

@media (max-width: 640px) {
    .liquid-glass-icon {
        width: 48px;
        height: 48px;
    }

    .project-card {
        transform: none !important;
    }

    .liquid-glass-overlay,
    .liquid-glass-edge,
    .liquid-glass-rim {
        display: none;
    }

    .page-navigation {
        flex-direction: row;
        gap: var(--spacing-xs);
    }

    .nav-btn {
        font-size: var(--font-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .nav-btn:hover {
        transform: scale(1);
    }
}

/* ============================================
   About Page Styles
   ============================================ */

.about-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.about-card {
    padding: var(--spacing-xl);
}

.about-card h3 {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Status Grid */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.status-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--glass-btn-bg);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.status-item:hover {
    background: var(--glass-btn-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.status-label {
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
}

.status-value {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
}

/* Bio Content */
.bio-content {
    line-height: 1.8;
}

.bio-content p {
    font-size: var(--font-base);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

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

/* GitHub Activity Section */
.github-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.github-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--glass-btn-bg);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-card:hover {
    background: var(--glass-btn-bg-hover);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 20px var(--shadow-color);
}

.stat-number {
    font-size: var(--font-2xl);
    font-weight: 700;
    color: rgba(59, 130, 246, 0.9);
    margin-bottom: var(--spacing-xs);
    animation: countUp 2s ease-out;
}

[data-theme="dark"] .stat-number {
    color: rgba(99, 162, 255, 0.9);
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-label {
    font-size: var(--font-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
}

/* Contribution Graph */
.contribution-graph {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.graph-title {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.months-labels {
    display: flex;
    gap: 2px;
    font-size: var(--font-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xs);
    padding-left: 30px;
}

.graph-container {
    display: grid;
    grid-template-columns: repeat(104, 1fr);
    gap: 3px;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--border-radius-md);
    overflow-x: auto;
    max-width: 100%;
}

[data-theme="dark"] .graph-container {
    background: rgba(255, 255, 255, 0.02);
}

.contribution-day {
    aspect-ratio: 1;
    border-radius: 2px;
    transition: all 0.2s ease;
    cursor: pointer;
    min-width: 10px;
    min-height: 10px;
}

.contribution-day[data-level="0"] {
    background: rgba(0, 0, 0, 0.05);
}

.contribution-day[data-level="1"] {
    background: rgba(59, 130, 246, 0.3);
}

.contribution-day[data-level="2"] {
    background: rgba(59, 130, 246, 0.5);
}

.contribution-day[data-level="3"] {
    background: rgba(59, 130, 246, 0.7);
}

.contribution-day[data-level="4"] {
    background: rgba(59, 130, 246, 0.9);
}

[data-theme="dark"] .contribution-day[data-level="0"] {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .contribution-day[data-level="1"] {
    background: rgba(99, 162, 255, 0.3);
}

[data-theme="dark"] .contribution-day[data-level="2"] {
    background: rgba(99, 162, 255, 0.5);
}

[data-theme="dark"] .contribution-day[data-level="3"] {
    background: rgba(99, 162, 255, 0.7);
}

[data-theme="dark"] .contribution-day[data-level="4"] {
    background: rgba(99, 162, 255, 0.9);
}

.contribution-day:hover {
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
    z-index: 10;
}

.graph-legend {
    display: flex;
    align-items: center;
    gap: 4px;
    justify-content: flex-end;
    margin-top: var(--spacing-sm);
}

.legend-label {
    font-size: var(--font-xs);
    color: var(--text-tertiary);
    margin: 0 var(--spacing-xs);
}

.legend-item {
    width: 10px;
    height: 10px;
    border-radius: 2px;
}

.legend-item[data-level="0"] {
    background: rgba(0, 0, 0, 0.05);
}

.legend-item[data-level="1"] {
    background: rgba(59, 130, 246, 0.3);
}

.legend-item[data-level="2"] {
    background: rgba(59, 130, 246, 0.5);
}

.legend-item[data-level="3"] {
    background: rgba(59, 130, 246, 0.7);
}

.legend-item[data-level="4"] {
    background: rgba(59, 130, 246, 0.9);
}

[data-theme="dark"] .legend-item[data-level="0"] {
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .legend-item[data-level="1"] {
    background: rgba(99, 162, 255, 0.3);
}

[data-theme="dark"] .legend-item[data-level="2"] {
    background: rgba(99, 162, 255, 0.5);
}

[data-theme="dark"] .legend-item[data-level="3"] {
    background: rgba(99, 162, 255, 0.7);
}

[data-theme="dark"] .legend-item[data-level="4"] {
    background: rgba(99, 162, 255, 0.9);
}

/* Skills Section */
.skills-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.skill-category {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.skill-category-title {
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Skill Icons Grid */
.skill-icons-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.skill-icon {
    width: clamp(48px, 6vw, 56px);
    height: clamp(48px, 6vw, 56px);
    border-radius: var(--border-radius-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    opacity: 0;
    animation: fadeInScale 0.5s ease-out forwards;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.skill-icon:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    filter: brightness(1.1);
}

/* Staggered animation for skill icons */
.skill-icon:nth-child(1) { animation-delay: 0.05s; }
.skill-icon:nth-child(2) { animation-delay: 0.1s; }
.skill-icon:nth-child(3) { animation-delay: 0.15s; }
.skill-icon:nth-child(4) { animation-delay: 0.2s; }
.skill-icon:nth-child(5) { animation-delay: 0.25s; }
.skill-icon:nth-child(6) { animation-delay: 0.3s; }
.skill-icon:nth-child(7) { animation-delay: 0.35s; }
.skill-icon:nth-child(8) { animation-delay: 0.4s; }
.skill-icon:nth-child(9) { animation-delay: 0.45s; }
.skill-icon:nth-child(10) { animation-delay: 0.5s; }

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Dark mode adjustments for skill icons */
[data-theme="dark"] .skill-icon {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .skill-icon:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Legacy skills list (if needed) */
.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Animated Skills (legacy) */
.animated-skill {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.animated-skill:nth-child(1) { animation-delay: 0.1s; }
.animated-skill:nth-child(2) { animation-delay: 0.2s; }
.animated-skill:nth-child(3) { animation-delay: 0.3s; }
.animated-skill:nth-child(4) { animation-delay: 0.4s; }
.animated-skill:nth-child(5) { animation-delay: 0.5s; }
.animated-skill:nth-child(6) { animation-delay: 0.6s; }
.animated-skill:nth-child(7) { animation-delay: 0.7s; }
.animated-skill:nth-child(8) { animation-delay: 0.8s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive adjustments for skill icons */
@media (max-width: 968px) {
    .skill-icons-grid {
        gap: var(--spacing-sm);
    }

    .skill-icon {
        width: clamp(40px, 8vw, 48px);
        height: clamp(40px, 8vw, 48px);
    }
}

@media (max-width: 640px) {
    .skill-icons-grid {
        justify-content: center;
    }
}

.about-card p {
    font-size: var(--font-base);
    line-height: 1.8;
    color: rgba(0, 0, 0, 0.75);
    margin-bottom: var(--spacing-sm);
}

.education-item,
.experience-item {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.education-item:last-child,
.experience-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.education-item h4,
.experience-item h4 {
    font-size: var(--font-md);
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: var(--spacing-xs);
}

.institution,
.company {
    font-size: var(--font-sm);
    font-weight: 500;
    color: rgba(59, 130, 246, 0.8);
    margin-bottom: var(--spacing-xs);
}

.year,
.duration {
    font-size: var(--font-xs);
    color: rgba(0, 0, 0, 0.6);
    margin-bottom: var(--spacing-sm);
}

.description {
    font-size: var(--font-sm);
    line-height: 1.6;
    color: rgba(0, 0, 0, 0.75);
}

.interests-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.interest-item {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-md);
    transition: all 0.3s ease;
}

.interest-item:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-5px);
}

.interest-icon {
    font-size: clamp(2rem, 3vw, 2.5rem);
    display: block;
    margin-bottom: var(--spacing-sm);
}

.interest-item p {
    font-size: var(--font-sm);
    font-weight: 500;
    color: #1a1a1a;
    margin: 0;
}

/* ============================================
   Links Page Styles
   ============================================ */

.links-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.links-category {
    padding: var(--spacing-xl);
}

.links-category h3 {
    font-size: var(--font-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: #1a1a1a;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(clamp(200px, 25vw, 250px), 1fr));
    gap: var(--spacing-md);
}

.link-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    text-decoration: none;
    color: #1a1a1a;
    transition: all 0.3s ease;
}

.link-item:hover {
    transform: translateY(-3px);
}

.link-icon {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    flex-shrink: 0;
}

.link-icon-img {
    width: clamp(40px, 5vw, 48px);
    height: clamp(40px, 5vw, 48px);
    flex-shrink: 0;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.link-item:hover .link-icon-img {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.link-info {
    flex: 1;
    min-width: 0;
}

.link-info h4 {
    font-size: var(--font-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: #1a1a1a;
}

.link-info p {
    font-size: var(--font-xs);
    color: rgba(0, 0, 0, 0.6);
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 968px) {
    .links-grid {
        grid-template-columns: 1fr;
    }

    .interests-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .interests-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Theme Toggle Styles
   ============================================ */

.theme-toggle-container {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color-strong);
    margin-top: var(--spacing-md);
}

.theme-toggle {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass-btn-bg);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-size: var(--font-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.theme-toggle:hover {
    background: var(--glass-btn-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 clamp(0.3rem, 0.6vw, 0.5rem) clamp(1rem, 1.5vw, 1.25rem) var(--shadow-color);
}

.theme-toggle-icon {
    font-size: var(--font-md);
    transition: transform 0.3s ease;
}

.theme-toggle:hover .theme-toggle-icon {
    transform: rotate(20deg);
}

/* Update text colors for dark mode compatibility */
.name,
.info-section h3,
.section-title,
.attending-title,
.timeline-title,
.project-content h3,
.about-card h3,
.links-category h3,
.link-info h4,
.interest-item p,
.skill-tag,
.social-btn,
.project-link,
.tag,
.link-item {
    color: var(--text-primary);
}

.title,
.bio,
.contact-item,
.timeline-text,
.project-content p,
.about-card p,
.description {
    color: var(--text-secondary);
}

.attending-details,
.year,
.duration,
.link-info p {
    color: var(--text-tertiary);
}

/* Update borders for dark mode */
.page-navigation,
.info-section,
.social-links,
.theme-toggle-container,
.education-item,
.experience-item {
    border-color: var(--border-color-strong);
}

/* Update backgrounds for dark mode */
.nav-btn.active {
    background: var(--glass-btn-bg-hover);
    border-color: var(--border-color-strong);
}

.attending-item,
.visitor-map-container,
.interest-item,
.skill-tag,
.timeline-content,
.project-link,
.tag {
    background: var(--glass-btn-bg);
    border-color: var(--border-color);
}

.attending-item:hover,
.visitor-map-container:hover,
.interest-item:hover {
    background: var(--glass-btn-bg-hover);
}

/* Timeline line color */
.timeline::before {
    background: linear-gradient(
        180deg,
        rgba(59, 130, 246, 0.3) 0%,
        var(--timeline-line) 50%,
        rgba(59, 130, 246, 0.3) 100%
    );
}

/* Avatar border for dark mode */
.avatar {
    border-color: var(--border-color-strong);
}

/* Selection color for dark mode */
[data-theme="dark"] ::selection {
    background: rgba(99, 162, 255, 0.3);
    color: var(--text-primary);
}

/* Scrollbar for dark mode */
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: rgba(232, 234, 240, 0.05);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: rgba(232, 234, 240, 0.2);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: rgba(232, 234, 240, 0.3);
}

[data-theme="dark"] .timeline-scroll-wrapper {
    scrollbar-color: rgba(232, 234, 240, 0.2) transparent;
}

[data-theme="dark"] .timeline-scroll-wrapper::-webkit-scrollbar-track {
    background: rgba(232, 234, 240, 0.05);
}

[data-theme="dark"] .timeline-scroll-wrapper::-webkit-scrollbar-thumb {
    background: rgba(232, 234, 240, 0.2);
}

[data-theme="dark"] .timeline-scroll-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(232, 234, 240, 0.3);
}

/* Bullet list styling for descriptions */
.description ul,
ul.description {
    list-style-type: disc;
    padding-left: var(--spacing-lg);
    margin: 0;
}

.description li,
ul.description li {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-xs);
    text-align: justify;
}

.description li:last-child,
ul.description li:last-child {
    margin-bottom: 0;
}

/* Optimize section title font sizes */
.intro-section {
    margin-bottom: var(--spacing-lg);
}

.news-section .section-title,
.publications-section .section-title {
    font-size: var(--font-lg);
    font-weight: 600;
}

@media (max-width: 968px) {
    .news-section .section-title,
    .publications-section .section-title {
        font-size: var(--font-md);
    }
}

/* Introduction Section Styles */
.intro-card {
    padding: var(--spacing-xl);
}

.intro-text {
    font-size: var(--font-base);
    line-height: 1.8;
    color: var(--text-secondary);
    margin: 0;
    text-align: justify;
}

/* Beautiful hyperlink styling for intro text */
.intro-text a {
    color: rgba(59, 130, 246, 0.9);
    text-decoration: none;
    position: relative;
    font-weight: 500;
    transition: all 0.3s ease;
    border-bottom: 2px solid rgba(59, 130, 246, 0.3);
    padding-bottom: 1px;
}

.intro-text a:hover {
    color: rgba(59, 130, 246, 1);
    border-bottom-color: rgba(59, 130, 246, 0.8);
    transform: translateY(-1px);
}

/* Dark mode link styling */
[data-theme="dark"] .intro-text a {
    color: rgba(99, 162, 255, 0.9);
    border-bottom-color: rgba(99, 162, 255, 0.3);
}

[data-theme="dark"] .intro-text a:hover {
    color: rgba(99, 162, 255, 1);
    border-bottom-color: rgba(99, 162, 255, 0.8);
}

/* Add smooth underline animation */
.intro-text a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.8), rgba(59, 130, 246, 0.4));
    transition: width 0.3s ease;
}

.intro-text a:hover::after {
    width: 100%;
}

[data-theme="dark"] .intro-text a::after {
    background: linear-gradient(90deg, rgba(99, 162, 255, 0.8), rgba(99, 162, 255, 0.4));
}

@media (max-width: 968px) {
    .intro-text {
        font-size: var(--font-base);
    }
}

@media (max-width: 640px) {
    .intro-card {
        padding: var(--spacing-lg);
    }
    
    .intro-text {
        font-size: var(--font-sm);
        line-height: 1.7;
    }
}

/* Elegant Professor Link Styling - No underlines, with glow effect */
.professor-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    position: relative;
    padding: 2px 6px;
    margin: 0 -6px;
    border-radius: 4px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
}

/* Subtle background highlight effect */
.professor-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(120deg, rgba(59, 130, 246, 0.1), rgba(99, 102, 241, 0.1));
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.professor-link:hover::before {
    opacity: 1;
}

/* Animated glow effect on hover */
.professor-link::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(120deg, rgba(59, 130, 246, 0.4), rgba(99, 102, 241, 0.4));
    border-radius: 6px;
    opacity: 0;
    filter: blur(8px);
    transition: opacity 0.3s ease;
    z-index: -2;
}

.professor-link:hover::after {
    opacity: 1;
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.6;
        filter: blur(8px);
    }
    50% {
        opacity: 1;
        filter: blur(12px);
    }
}

/* Slight scale and color change on hover */
.professor-link:hover {
    color: rgba(59, 130, 246, 1);
    transform: scale(1.02);
}

/* Dark mode professor link styling */
[data-theme="dark"] .professor-link {
    color: var(--text-primary);
}

[data-theme="dark"] .professor-link::before {
    background: linear-gradient(120deg, rgba(99, 162, 255, 0.15), rgba(139, 142, 255, 0.15));
}

[data-theme="dark"] .professor-link::after {
    background: linear-gradient(120deg, rgba(99, 162, 255, 0.5), rgba(139, 142, 255, 0.5));
}

[data-theme="dark"] .professor-link:hover {
    color: rgba(99, 162, 255, 1);
}

/* Remove underline from existing intro-text link styles for professor links */
.intro-text .professor-link {
    border-bottom: none;
    padding-bottom: 2px;
}

.intro-text .professor-link::after {
    display: none;
}

.intro-text .professor-link::before {
    display: block;
}

.professor-link:hover::before {
    display: block;
}