/* Theme Switch Styles */
.theme-switch-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.theme-switch {
    cursor: pointer;
    --size: 2rem;
}

.switch {
    width: var(--size);
    height: var(--size);
    position: relative;
}

.sun, .moon {
    position: absolute;
    inset: 0;
    height: 100%;
    width: 100%;
    transition: opacity 0.5s, transform 0.5s;
}

.sun svg, .moon svg {
    height: 100%;
    width: 100%;
}

/* Sun styles */
.sun {
    color: #fbbf24;
    opacity: 1;
    transform: scale(1) rotate(0);
}

.sun-beams {
    stroke: currentColor;
    stroke-width: 2px;
    transform-origin: center center;
}

/* Moon styles */
.moon {
    color: #e2e8f0;
    opacity: 0;
    transform: scale(0) rotate(90deg);
}

/* Toggle states */
.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

/* Dark mode states */
.dark-mode .sun {
    opacity: 0;
    transform: scale(0) rotate(-90deg);
}

.dark-mode .moon {
    opacity: 1;
    transform: scale(1) rotate(0);
}

/* Animations */
.sun, .moon {
    transition: opacity 0.5s ease-in-out,
                transform 0.5s ease-in-out;
}

.sun-beams {
    transition: transform 0.5s ease-in-out;
}

/* Hover animations */
.theme-switch:hover .sun {
    transform: scale(1.1);
}

.theme-switch:hover .moon {
    transform: scale(1.1);
}

.theme-switch:hover .sun-beams {
    transform: rotate(45deg);
}

/* Scale up the size */
.theme-switch {
    --size: 2.5rem;  /* Increase size here */
    display: block;
}

/* Navigation Styles */
.nav-container {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-tabs {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 0 1rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    color: inherit;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.tab-btn::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-light), var(--secondary-light));
    transition: width 0.3s ease;
    border-radius: 3px;
}

.tab-btn.active::before {
    width: 80%;
}

.tab-btn:hover::before {
    width: 60%;
}

/* Dark mode nav adjustments */
.dark-mode .nav-container {
    background-color: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.dark-mode .tab-btn::before {
    background: linear-gradient(90deg, var(--primary-dark), var(--secondary-dark));
}

/* Card Styles */
.card {
    background-color: var(--card-light);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}

.dark-mode .card {
    background-color: var(--card-dark);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.profile-card {
    display: flex;
    gap: 2rem;
    align-items: start;
}

.profile-image img {
    width: 300px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-btn {
    color: var(--text-light);
    font-size: 1.5rem;
    transition: transform 0.3s;
}

.social-btn:hover {
    transform: translateY(-3px);
}

/* Publications Grid */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.publication-card {
    background: var(--card-light);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
}

.publication-card:hover {
    transform: translateY(-5px);
}

.publication-card h3 {
    color: var(--text-light);
    margin-bottom: 0.8rem;
    font-size: 1.2rem;
}

.publication-meta {
    color: var(--primary-light);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.publication-excerpt {
    color: var(--text-light);
    margin-bottom: 1.2rem;
    line-height: 1.6;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
}

/* Dark mode fixes */
.dark-mode .publication-card {
    background: var(--bg-dark);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.dark-mode .publication-card h3 {
    color: var(--text-dark);
}

.dark-mode .publication-meta,
.dark-mode .read-more {
    color: var(--primary-dark);
}

.dark-mode .publication-excerpt {
    color: var(--text-dark);
}

.publication-image {
    flex: 0 0 200px;
    position: relative;
    overflow: hidden;
}

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

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

.publication-content {
    padding: 1.5rem;
    flex: 1;
}

.pub-date {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.publication-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.publication-meta {
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.8;
    margin-bottom: 1rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    transition: gap 0.2s ease;
}

.read-more:hover {
    gap: 0.75rem;
}

.dark-mode .publication-card {
    background: var(--card-dark);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.dark-mode .publication-meta {
    color: var(--primary-dark);
}

.dark-mode .read-more {
    color: var(--primary-dark);
}

.publication-meta {
    color: var(--primary-light);
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-light);
    text-decoration: none;
    margin-top: 1rem;
    font-weight: 500;
}

/* Timeline */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--primary-light);
}

.timeline-item {
    width: calc(50% - 30px);
    margin: 2rem 0;
    position: relative;
    padding: 1.5rem;
    background: var(--card-light);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.timeline-item:nth-child(odd) {
    margin-right: auto;
}

.timeline-item:nth-child(even) {
    margin-left: auto;
}

.timeline-item::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-light);
    top: 50%;
    transform: translateY(-50%);
}

.timeline-item:nth-child(odd)::before {
    right: -38px;
}

.timeline-item:nth-child(even)::before {
    left: -38px;
}

.timeline-content h3 {
    color: var(--primary-light);
    margin-bottom: 0.5rem;
}

.timeline-content h4 {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.timeline-date {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--primary-light);
    color: white;
    border-radius: 15px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.dark-mode .timeline::before {
    background: var(--primary-dark);
}

.dark-mode .timeline-item::before {
    background: var(--primary-dark);
}

.dark-mode .timeline-content h3 {
    color: var(--primary-dark);
}

.dark-mode .timeline-date {
    background: var(--primary-dark);
}

.achievement-list {
    list-style: none;
    margin-top: 1rem;
}

.achievement-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.achievement-list li::before {
    content: '•';
    color: var(--primary-light);
    position: absolute;
    left: 0;
}

.dark-mode .achievement-list li::before {
    color: var(--primary-dark);
}

/* Experience Cards */
.experience-card {
    padding: 1.5rem;
    border-left: 4px solid var(--primary-light);
    margin-bottom: 2rem;
}

.experience-header {
    margin-bottom: 1rem;
}

.company {
    display: block;
    color: var(--primary-light);
    font-weight: 500;
    margin: 0.5rem 0;
}

.dark-mode .company {
    color: var(--primary-dark);
}

.duration {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.8;
}

.dark-mode .duration {
    color: var(--text-dark);
}

.experience-details {
    list-style: none;
}

.experience-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.experience-details li::before {
    content: '→';
    color: var(--primary-light);
    position: absolute;
    left: 0;
}

.dark-mode .experience-details li::before {
    color: var(--primary-dark);
}

/* Navigation dark mode */
.dark-mode .nav-container {
    background-color: rgba(0, 0, 0, 0.2);
}

.dark-mode .tab-btn::after {
    background-color: var(--primary-dark);
}

/* Social buttons dark mode */
.dark-mode .social-btn {
    color: var(--text-dark);
}

.dark-mode .cta-button {
    background-color: var(--primary-dark);
}

/* Update root variables for better dark mode colors */
:root {
    /* Light Theme */
    --bg-light: #ffffff;
    --text-light: #2d3436;
    --primary-light: #6b5ce6;
    --secondary-light: #2dd4bf;
    --accent-light: #6c5ce7;
    --card-light: #f8fafc;
    
    /* Dark Theme */
    --bg-dark: #1a1a1a;
    --text-dark: #e2e8f0;
    --primary-dark: #a78bfa;
    --secondary-dark: #5eead4;
    --accent-dark: #a29bfe;
    --card-dark: #2d3436;
}

/* Add smooth transitions for all elements */
* {
    transition: background-color 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}


/* Simpler CV button style */
.cv-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-light);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.cv-button:hover {
    background-color: var(--secondary-light);
    transform: translateY(-2px);
}

.dark-mode .cv-button {
    background-color: var(--primary-dark);
}

.dark-mode .cv-button:hover {
    background-color: var(--secondary-dark);
}

/* Experience Section Styles */
.experience-grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.experience-item {
    background: var(--card-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-light);
    transition: transform 0.2s ease;
}

.experience-item:hover {
    transform: translateX(10px);
}

.experience-header {
    margin-bottom: 1rem;
}

.experience-header h3 {
    color: var(--primary-light);
    margin-bottom: 0.3rem;
}

.experience-header h4 {
    color: var(--text-light);
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.experience-duration {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.8;
}

.experience-details {
    list-style: none;
}

.experience-details li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
}

.experience-details li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-light);
}

.dark-mode .experience-item {
    background: rgba(45, 52, 54, 0.8);
    border-left-color: var(--primary-dark);
}

.dark-mode .experience-header h3 {
    color: var(--primary-dark);
}

.dark-mode .experience-details li::before {
    color: var(--primary-dark);
}

/* Update Navigation Styles */
.nav-tabs {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 0 1rem;
}

.tab-btn {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    cursor: pointer;
    color: inherit;
    font-weight: 500;
    border-radius: 6px;
    transition: all 0.2s ease;
}

/* Light mode states */
.tab-btn:hover {
    background-color: rgba(107, 92, 230, 0.1);
}

.tab-btn.active {
    background-color: var(--primary-light);
    color: white;
}

/* Dark mode states */
.dark-mode .tab-btn:hover {
    background-color: rgba(167, 139, 250, 0.1);
}

.dark-mode .tab-btn.active {
    background-color: var(--primary-dark);
    color: white;
}

/* Update Experience Section for better dark mode visibility */
.experience-item {
    background: var(--card-light);
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-light);
    transition: transform 0.2s ease;
}

.dark-mode .experience-item {
    background: rgba(45, 52, 54, 0.8);
    border-left-color: var(--primary-dark);
}

.experience-header h3 {
    color: var(--primary-light);
    margin-bottom: 0.3rem;
}

.experience-header h4 {
    margin-bottom: 0.3rem;
}

.dark-mode .experience-header h3 {
    color: var(--primary-dark);
}

.dark-mode .experience-header h4 {
    color: var(--text-dark);
}

.dark-mode .experience-duration {
    color: var(--text-dark);
    opacity: 0.9;
}

.dark-mode .experience-details li {
    color: var(--text-dark);
}

/* Update Education Timeline for better dark mode visibility */
.timeline-item {
    background: var(--card-light);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.dark-mode .timeline-item {
    background: rgba(45, 52, 54, 0.8);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.dark-mode .timeline-content h3,
.dark-mode .timeline-content h4,
.dark-mode .timeline-content p,
.dark-mode .timeline-content li {
    color: var(--text-dark);
}

.dark-mode .timeline-content h3 {
    color: var(--primary-dark);
}

.dark-mode .achievement-list li {
    color: var(--text-dark);
}

/* Simplified CV button */
.cv-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-light);
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.cv-button:hover {
    transform: translateY(-2px);
}

/* Base responsive settings */
:root {
    --container-width: min(1200px, 90%);
    --card-padding: clamp(1rem, 3vw, 2rem);
    --section-spacing: clamp(2rem, 5vw, 4rem);
}

/* Responsive Grid Layouts */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr));
    gap: 2rem;
}

/* Responsive Timeline */
@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        flex-direction: column;
        padding: 0 0 0 50px !important; /* Override both odd and even padding */
    }

    .timeline-image {
        position: relative !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        margin-top: 1rem;
    }

    .timeline-content {
        width: 100%;
    }
}

/* Responsive Navigation */
@media (max-width: 600px) {
    .nav-tabs {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .tab-btn {
        flex: 1 1 calc(50% - 0.5rem);
        min-width: 120px;
    }
}

/* Responsive Profile Card */
@media (max-width: 768px) {
    .profile-card {
        flex-direction: column;
        text-align: center;
    }

    .profile-image {
        width: 200px;
        height: 200px;
        margin: 0 auto 1.5rem;
    }

    .social-links {
        justify-content: center;
    }
}

/* Responsive Experience Cards */
@media (max-width: 768px) {
    .experience-grid {
        grid-template-columns: 1fr;
    }

    .experience-item {
        padding: var(--card-padding);
    }
}

/* Responsive Typography */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .subtitle {
        font-size: clamp(1rem, 4vw, 1.2rem);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
}

/* Theme Switch Position */
@media (max-width: 768px) {
    .theme-switch-wrapper {
        top: 10px;
        right: 10px;
    }
}

/* Main Container Padding */
@media (max-width: 768px) {
    main {
        padding: var(--card-padding);
    }
}

/* Card Styles */
@media (max-width: 768px) {
    .card {
        padding: var(--card-padding);
    }
}

/* List Spacing */
@media (max-width: 768px) {
    .achievement-list li,
    .experience-details li {
        margin-bottom: 0.8rem;
        font-size: 0.95rem;
    }
}

/* Button Sizes */
@media (max-width: 768px) {
    .cv-button,
    .read-more {
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }
}

/* Dark Mode Adjustments */
@media (prefers-color-scheme: dark) {
    :root {
        /* Add any specific dark mode values for mobile */
    }
}

/* Base mobile-first responsive settings */
:root {
    --mobile-padding: 1rem;
    --mobile-card-padding: 1rem;
    --mobile-font-scale: 0.9;
}

/* Timeline mobile fixes */
@media (max-width: 480px) {
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        width: calc(100% - 40px) !important; /* Override desktop width */
        margin: 1rem 0 1rem 40px !important; /* Consistent left margin */
        padding: var(--mobile-card-padding) !important;
    }

    .timeline-item::before {
        left: -28px !important; /* Consistent dot position */
        width: 12px;
        height: 12px;
    }

    .timeline-content h3 {
        font-size: 1.1rem;
    }

    .timeline-content h4 {
        font-size: 0.9rem;
    }

    .timeline-date {
        font-size: 0.8rem;
        padding: 0.2rem 0.6rem;
    }
}

/* Navigation mobile fixes */
@media (max-width: 480px) {
    .nav-container {
        padding: 0.5rem 0;
    }

    .nav-tabs {
        gap: 0.3rem;
        padding: 0 var(--mobile-padding);
    }

    .tab-btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.9rem;
    }
}

/* Profile card mobile fixes */
@media (max-width: 480px) {
    .profile-card {
        padding: var(--mobile-card-padding);
    }

    .profile-image img {
        width: 180px; /* Smaller profile image */
    }

    .social-links {
        gap: 0.8rem;
    }

    .social-btn {
        font-size: 1.2rem;
    }
}

/* Publications grid mobile fixes */
@media (max-width: 480px) {
    .publications-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .publication-card {
        padding: var(--mobile-card-padding);
    }

    .publication-image {
        height: 160px;
    }
}

/* Experience items mobile fixes */
@media (max-width: 480px) {
    .experience-item {
        padding: var(--mobile-card-padding);
        margin-bottom: 1rem;
    }

    .experience-header h3 {
        font-size: 1.1rem;
    }

    .experience-header h4 {
        font-size: 0.9rem;
    }

    .experience-duration {
        font-size: 0.8rem;
    }

    .experience-details li {
        font-size: 0.9rem;
        padding-left: 1.2rem;
        margin-bottom: 0.4rem;
    }
}

/* Theme switch mobile position */
@media (max-width: 480px) {
    .theme-switch-wrapper {
        top: 8px;
        right: 8px;
    }

    .theme-switch {
        --size: 2rem; /* Slightly smaller switch */
    }
}

/* Typography mobile scaling */
@media (max-width: 480px) {
    h1 {
        font-size: 2rem !important;
    }

    h2 {
        font-size: 1.5rem !important;
    }

    h3 {
        font-size: 1.2rem !important;
    }

    p, li {
        font-size: 0.9rem !important;
    }

    .subtitle {
        font-size: 1rem !important;
    }
}

/* Button mobile fixes */
@media (max-width: 480px) {
    .cv-button {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .read-more {
        font-size: 0.9rem;
    }
}

/* Core mobile fixes */
@media screen and (max-width: 480px) {
    /* Base container adjustments */
    main {
        width: 100%;
        padding: 1rem;
    }

    /* Card adjustments */
    .card {
        padding: 1rem;
        margin: 0.5rem 0;
        width: 100%;
    }

    /* Timeline specific fixes */
    .timeline {
        width: 100%;
    }

    .timeline::before {
        left: 1rem;
    }

    .timeline-item {
        width: calc(100% - 2rem) !important;
        margin-left: 2rem !important;
        margin-right: 0 !important;
        padding: 1rem !important;
    }

    .timeline-item::before {
        left: -1.5rem !important;
        width: 0.75rem;
        height: 0.75rem;
    }

    /* Typography scaling */
    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    h4 {
        font-size: 1rem;
    }

    p, li {
        font-size: 0.9rem;
    }

    /* Navigation adjustments */
    .nav-tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        padding: 0.5rem;
    }

    .tab-btn {
        width: 100%;
        padding: 0.5rem;
        font-size: 0.9rem;
    }

    /* List adjustments */
    .achievement-list,
    .experience-details {
        padding-left: 1.2rem;
    }

    .achievement-list li,
    .experience-details li {
        margin-bottom: 0.5rem;
    }
}

/* Fix horizontal scroll issue */
body {
    max-width: 100vw;
    overflow-x: hidden;
}

/* Ensure all containers respect viewport width */
.card, .section, main, .nav-container {
    max-width: 100vw;
    overflow-x: hidden;
}

/* Mobile navigation fixes */
@media screen and (max-width: 480px) {
    .nav-container {
        padding: 0.5rem;
        position: sticky;
        top: 0;
        background: var(--bg-light);
        border-bottom: 1px solid rgba(0,0,0,0.1);
    }

    .nav-tabs {
        display: grid;
        grid-template-columns: repeat(2, 1fr); /* 2 buttons per row */
        width: 100%;
        gap: 0.5rem;
    }

    .tab-btn {
        width: 100%;
        padding: 0.75rem 0.5rem;
        font-size: 0.9rem;
        text-align: center;
        border-radius: 4px;
        background: var(--card-light);
    }

    /* Timeline card fixes */
    .timeline-item {
        margin: 1rem 0 !important;
        padding: 1rem !important;
        width: 100% !important;
        max-width: none !important;
    }

    .timeline-content {
        padding: 1rem;
        background: var(--card-light);
        border-radius: 8px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    /* Publication cards */
    .publications-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .publication-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    /* Experience cards */
    .experience-item {
        padding: 1rem;
        margin-bottom: 1rem;
        border-radius: 8px;
    }

    /* Card width fixes */
    .card {
        width: 100%;
        margin: 0.5rem 0;
        padding: 1rem;
        border-radius: 8px;
    }

    /* Main container */
    main {
        padding: 0.5rem;
        width: 100%;
    }

    /* Profile section */
    .profile-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1rem;
    }

    .profile-image {
        width: 150px;
        height: 150px;
        margin-bottom: 1rem;
    }

    /* Fix dark mode */
    .dark-mode .nav-container {
        background: var(--bg-dark);
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .dark-mode .tab-btn {
        background: var(--card-dark);
    }
}

/* Fix viewport issues */
@media screen and (max-width: 480px) {
    html, body {
        width: 100%;
        overflow-x: hidden;
        position: relative;
    }

    * {
        max-width: 100vw;
        box-sizing: border-box;
    }
}