/* ==================== Reset & Variables ==================== */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #666666;
    --accent-color: #d4a574;
    --background-color: #ffffff;
    --light-bg: #f5f5f5;
    --border-color: #e0e0e0;
    --text-color: #333333;
    --text-light: #666666;
    --spacing: 1rem;
    --max-width: 1200px;
    --transition: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Lora', Georgia, serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== Typography ==================== */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    margin-top: 1.5rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

p {
    margin-bottom: 1rem;
    line-height: 1.8;
    color: var(--text-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition);
}

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

/* ==================== Navigation ==================== */
/* ==================== Global Search Overlay ==================== */
.nav-search-overlay {
    display: none;
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}

.nav-search-overlay.active { display: block; }

.nav-search-bar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0.75rem var(--spacing);
}

.nav-search-input {
    flex: 1;
    font-family: 'Lora', Georgia, serif;
    font-size: 1rem;
    border: none;
    outline: none;
    color: var(--text-color);
    background: transparent;
}

.nav-search-close {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    padding: 0.2rem 0.4rem;
    line-height: 1;
    transition: color var(--transition);
}
.nav-search-close:hover { color: var(--primary-color); }

.nav-search-results {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing) 0.75rem;
    max-height: 60vh;
    overflow-y: auto;
}

.search-result-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background var(--transition);
}

.search-result-item:hover { background-color: var(--light-bg); }

.search-result-type {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-color);
}

.search-result-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1.4;
}

.search-result-meta {
    font-size: 0.75rem;
    color: var(--text-light);
    font-style: italic;
    white-space: nowrap;
}

.search-no-results {
    font-size: 0.85rem;
    color: var(--text-light);
    font-style: italic;
    padding: 0.5rem 0;
}

/* ==================== Navbar ==================== */
.navbar {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing) 0 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    cursor: pointer;
    display: block;
    margin-right: 1rem;
}

.nav-brand:hover {
    color: var(--accent-color);
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1.4rem;
    align-items: center;
}

.nav-link {
    color: white;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--transition);
    font-size: 0.8rem;
}

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

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-divider {
    width: 1px;
    height: 1.2rem;
    background-color: rgba(255,255,255,0.3);
    margin: 0 0.5rem;
}

.nav-social-link {
    color: rgba(255,255,255,0.75);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.3rem 0.65rem;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    transition: all var(--transition);
    font-family: 'Lora', Georgia, serif;
}

.nav-social-link:hover {
    color: white;
    border-color: white;
    text-decoration: none;
    background-color: rgba(255,255,255,0.1);
}

.nav-social-group {
    display: flex;
    gap: 0.35rem;
    align-items: center;
    margin-left: 0.6rem;
}

.nav-social-divider {
    width: 1px;
    height: 1.1rem;
    background-color: rgba(255,255,255,0.25);
    margin: 0 0.2rem;
}

.nav-search-btn {
    background: none;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    color: rgba(255,255,255,0.75);
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    transition: all var(--transition);
}

.nav-search-btn:hover {
    color: white;
    border-color: white;
    background-color: rgba(255,255,255,0.1);
}

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

.main-container {
    min-height: calc(100vh - 200px);
}

.section {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.section.active {
    display: block;
}

#home,
#books,
#dashboards,
#media,
#conference {
    padding: 3rem var(--spacing);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ==================== Home Section ==================== */
.home-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    align-items: start;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem var(--spacing);
}

.home-left {
    position: sticky;
    top: 100px;
}

.profile-photo {
    width: 100%;
    max-width: 400px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: block;
}

.home-left-info {
    margin-top: 1.25rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.home-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.25rem 0;
    color: var(--primary-color);
}

.subtitle {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
    margin: 0 0 1rem 0;
    letter-spacing: 0.02em;
}

.home-icons {
    display: flex;
    gap: 0.6rem;
    align-items: center;
}

.home-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-light);
    transition: all var(--transition);
}

.home-icon-link:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background-color: var(--light-bg);
    text-decoration: none;
}

.home-right {
    padding: 1rem 0;
}

.about-me,
.what-i-do {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.about-me p,
.what-i-do p {
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* ==================== What I Do Section ==================== */
.activities {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 1.5rem;
    align-items: start;
}

.activity {
    border-top: 2px solid var(--border-color);
    padding-top: 0.85rem;
}

.activity h3 {
    margin: 0 0 0.6rem 0;
    font-size: 1rem;
}

.activity p {
    font-size: 0.92rem;
    color: var(--text-light);
    margin: 0;
}

/* ==================== Contact Section ==================== */
.email-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.email-links a {
    color: var(--accent-color);
    font-weight: 500;
}

.separator {
    color: var(--text-light);
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    background-color: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color var(--transition);
}

.social-link:hover {
    background-color: var(--accent-color);
    color: var(--primary-color);
    text-decoration: none;
}

/* ==================== Section Styles ==================== */
.section-intro {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-style: italic;
}

/* ==================== Section Layout with Sidebar ==================== */
.section-wrapper {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 2.5rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem var(--spacing);
}

.section-sidebar {
    position: sticky;
    top: 120px;
}

.stats-card {
    background-color: var(--light-bg);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    margin-bottom: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

/* ==================== Commentaries Layout ==================== */
.commentaries-wrapper {
    display: grid;
    grid-template-columns: 200px 1fr 180px;
    gap: 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem var(--spacing);
    align-items: start;
}

.pub-sidebar {
    position: sticky;
    top: 100px;
}

/* ── Sidebar photo ── */
.sidebar-photo {
    width: 100%;
    border-radius: 4px;
    display: block;
    margin-bottom: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}

/* ── Bio blurb (left sidebar, all pages) ── */
.bio-blurb {
    font-size: 0.78rem;
    color: var(--text-light);
    line-height: 1.65;
    border-left: 2px solid var(--border-color);
    padding-left: 0.75rem;
}

.bio-blurb p { margin: 0; }

/* ── Tag counts (right sidebar, Commentaries) ── */
.tag-sidebar {
    position: sticky;
    top: 100px;
}

.tag-sidebar-title {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: 0.6rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border-color);
}

.tag-count-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.2rem 0;
    font-size: 0.76rem;
    border-bottom: 1px solid var(--border-color);
    gap: 0.4rem;
}

.tag-count-label {
    color: var(--text-color);
    text-transform: capitalize;
}

.tag-count-label.US {
    text-transform: uppercase;
}

.tag-count-num {
    color: var(--text-light);
    font-size: 0.72rem;
    flex-shrink: 0;
}

/* ── Content filter bar (below intro text in Commentaries) ── */
.content-filter-bar {
    margin: 1.25rem 0 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.pub-tabs {
    display: flex;
    flex-direction: row;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.pub-tab {
    padding: 0.35rem 0.85rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-family: 'Lora', Georgia, serif;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-color);
    transition: all var(--transition);
}

.pub-tab:hover {
    background-color: var(--light-bg);
}

.pub-tab.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pub-sub-list {
    display: none;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.3rem;
    padding-top: 0.25rem;
}

.pub-sub-list.visible {
    display: flex;
}

/* ==================== Section header row (h2 + year dropdown) ==================== */
.section-header-row {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    text-align: center;
}

.section-header-row > div {
    text-align: center;
}

.section-header-row h2 {
    margin-top: 0;
    margin-bottom: 0.25rem;
}

.section-header-row .section-intro {
    margin-bottom: 0;
}

.year-select {
    font-family: 'Lora', Georgia, serif;
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--light-bg);
    color: var(--text-color);
    cursor: pointer;
    outline: none;
}

.year-select:focus {
    border-color: var(--primary-color);
}

/* ==================== LinkedIn icon link ==================== */
.nav-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.3rem 0.5rem;
}

.nav-icon-link svg {
    display: block;
}

/* ==================== Section search + year controls ==================== */
.section-header-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.section-search-input {
    font-family: 'Lora', Georgia, serif;
    font-size: 0.85rem;
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--light-bg);
    color: var(--text-color);
    width: 160px;
    outline: none;
    transition: all var(--transition);
}

.section-search-input::placeholder {
    color: var(--text-light);
}

.section-search-input:focus {
    border-color: var(--primary-color);
    width: 200px;
}

.sidebar-filter-header {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-light);
    padding: 0.4rem 0;
    margin-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-filter-list {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.theme-tag {
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    background-color: var(--border-color);
    color: var(--primary-color);
    text-transform: capitalize;
}

.theme-count {
    display: none;
}

.section-content {
    min-width: 0;
    padding-right: 1.5rem;
}

.publications-header {
    margin-bottom: 2rem;
}

.pub-group {
    margin-bottom: 2rem;
}

.pub-group h3 {
    font-size: 0.95rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

/* ==================== Commentaries Section ==================== */
.filter-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    font-family: 'Lora', Georgia, serif;
    transition: all var(--transition);
    color: var(--text-color);
    font-size: 0.9rem;
}

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

/* Sidebar-specific buttons: full-width, left-aligned, smaller */
.sidebar-btn {
    border-radius: 4px;
    text-align: left;
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
    width: 100%;
}


/* ── Quarto-style commentary list ───────────────────────────────────────── */
.commentaries-list {
    border-top: 1px solid var(--border-color);
    min-width: 0;
}

.commentary-item {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.commentary-item:hover {
    background-color: transparent;
}

.comment-row {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    min-width: 0;
}

/* Date: short muted label on the left */
.comment-date {
    width: 95px;
    flex-shrink: 0;
    font-size: 0.78rem;
    color: var(--text-light);
    padding-top: 0.15rem;
    white-space: nowrap;
}

/* Body: title + publication side by side */
.comment-body {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}

.comment-link {
    flex: 1;
    min-width: 0;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--primary-color);
    line-height: 1.45;
    transition: color var(--transition);
}

.comment-link:hover {
    color: var(--accent-color);
    text-decoration: none;
}

.comment-publication {
    font-size: 0.78rem;
    color: var(--text-light);
    font-style: italic;
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 0.2rem;
}

.commentary-item a {
    color: var(--primary-color);
}


.publication-meta {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
    margin-bottom: 0.75rem;
}

.comment-tags,
.paper-tags {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-top: 0.4rem;
    /* indent tags to align with title (date-column width + gap) */
    padding-left: calc(95px + 1.25rem);
}

.comment-tag,
.paper-tag {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 600;
    background-color: var(--border-color);
    color: var(--primary-color);
    text-transform: capitalize;
}

/* Keep acronyms fully uppercase */
.comment-tag.US, .paper-tag.US,
.comment-tag.SCO, .paper-tag.SCO {
    text-transform: uppercase;
}

/* ==================== Pagination ==================== */
.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.35rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
}

.page-btn {
    min-width: 2rem;
    height: 2rem;
    padding: 0 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: none;
    cursor: pointer;
    font-family: 'Lora', Georgia, serif;
    font-size: 0.82rem;
    color: var(--text-color);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.page-btn:hover:not([disabled]) {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.page-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-btn[disabled] {
    opacity: 0.35;
    cursor: default;
}

/* ==================== Papers Section (Quarto-style list) ==================== */
.papers-list {
    border-top: 1px solid var(--border-color);
    min-width: 0;
}

.paper-item {
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.paper-coauthor {
    font-size: 0.76rem;
    color: var(--text-light);
    font-style: italic;
    margin-top: 0.2rem;
    padding-left: calc(95px + 1.25rem);
}

/* ==================== Media Section ==================== */
/* ==================== Media Section (Quarto-style list) ==================== */
.media-list {
    border-top: 1px solid var(--border-color);
    min-width: 0;
}

.media-row {
    display: flex;
    gap: 1.25rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
    align-items: center;
}

.media-row:hover .media-row-title {
    color: var(--accent-color);
}

.media-thumb {
    width: 150px;
    min-width: 150px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 3px;
    border: 1px solid var(--border-color);
    background-color: var(--light-bg);
}

.media-row-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.media-row-title {
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.45;
    color: var(--primary-color);
    transition: color var(--transition);
}

.media-row-outlet {
    font-size: 0.78rem;
    color: var(--text-light);
    font-style: italic;
}

.media-row-date {
    font-size: 0.74rem;
    color: #aaa;
}

/* ==================== Books Section (Quarto-style grid) ==================== */
.books-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.book-card {
    display: flex;
    flex-direction: column;
    padding: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.book-cover {
    width: 100%;
    height: 320px;
    object-fit: contain;
    object-position: center center;
    background-color: var(--light-bg);
    display: block;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    border-radius: 3px;
}

.book-chapter-title {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.5;
    margin: 0 0 0.5rem 0;
    color: var(--text-color);
}

.book-meta {
    font-size: 0.82rem;
    color: var(--text-light);
    font-style: italic;
    margin: 0;
}

/* Mobile filter bar — hidden on desktop, shown only via mobile media query */
.mobile-filter-bar { display: none; }
#mobileSecondaryFilter { display: none; }

/* ==================== Dashboards Section ==================== */
.dashboards-grid {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.dashboard-card {
    display: grid;
    grid-template-columns: 280px 1fr;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.dashboard-card:hover {
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
}

/* Left: thumbnail preview pane */
.dashboard-preview {
    overflow: hidden;
    min-height: 200px;
    display: flex;
}

.dashboard-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
    transition: transform 0.4s ease;
}

.dashboard-card:hover .dashboard-thumb {
    transform: scale(1.03);
}

/* Right: content */
.dashboard-card-body {
    padding: 1.75rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    justify-content: center;
}

.dashboard-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.dashboard-desc {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.7;
    margin: 0;
}

.dashboard-tags {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.dashboard-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.dashboard-cta {
    display: inline-block;
    margin-top: 0.25rem;
    padding: 0.5rem 1.25rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: 'Lora', Georgia, serif;
    transition: background-color var(--transition);
    align-self: flex-start;
    text-decoration: none;
}

.dashboard-cta:hover {
    background-color: #333;
    color: white;
    text-decoration: none;
}

/* ==================== Empty Section ==================== */
.empty-section {
    padding: 2rem;
    background-color: var(--light-bg);
    border-radius: 8px;
    text-align: center;
    border: 2px dashed var(--border-color);
}

.empty-section p {
    color: var(--text-light);
    margin: 0;
}

/* ==================== Footer ==================== */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 2rem var(--spacing);
    margin-top: 3rem;
    text-align: center;
}

.footer p {
    color: white;
    margin-bottom: 1rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    font-weight: 500;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* ==================== Responsive Design ==================== */
@media (max-width: 900px) {
    /* Commentaries: drop to single column on medium screens */
    .commentaries-wrapper {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .tag-sidebar { position: static; }

    .pub-sidebar {
        position: static;
    }

    .pub-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.4rem;
    }

    .pub-sub-list.visible {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0.4rem;
    }
}

@media (max-width: 768px) {
    /* Typography */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }

    /* Home layout */
    .home-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .home-left { position: static; }
    .profile-photo { max-width: 260px; }

    /* ── Navbar: mobile layout ── */
    .nav-container {
        flex-wrap: wrap;
        padding: 0 0.75rem;
        position: relative;
    }

    /* Row 1: ☰ (left) | Amit Kumar (centre) | social icons (right) */
    .nav-toggle {
        display: flex;
        align-items: center;
        order: 1;
        font-size: 1.15rem;
        margin-right: 0;
    }

    .nav-brand {
        order: 2;
        flex: 1;
        text-align: center;
        font-size: 1.05rem;
        margin-right: 0;
    }

    .nav-social-group {
        order: 3;
        margin-left: 0;
        gap: 0.18rem;
    }

    .nav-social-link {
        font-size: 0.62rem;
        padding: 0.12rem 0.28rem;
    }

    .nav-icon-link svg {
        width: 11px;
        height: 11px;
    }

    .nav-search-btn {
        padding: 0.12rem 0.3rem;
    }

    /* Row 2: page links — hidden until toggle clicked, left-aligned */
    .nav-menu {
        display: none;
        order: 4;
        width: 100%;
        flex-direction: column;
        gap: 0;
        padding: 0.4rem 0 0.5rem;
        margin-top: 0.4rem;
        border-top: 1px solid rgba(255,255,255,0.15);
        background: transparent;
        box-shadow: none;
        position: static;
    }

    .nav-menu.active { display: flex; }

    .nav-link {
        font-size: 0.82rem;
        padding: 0.45rem 0;
        font-weight: 500;
        border-bottom: 1px solid rgba(255,255,255,0.07);
    }

    .nav-divider { display: none; }

    /* ── Mobile dual filter (commentaries) ── */
    .mobile-filter-bar {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        margin: 1rem 0 0.75rem;
    }

    .mobile-select {
        font-family: 'Lora', Georgia, serif;
        font-size: 0.82rem;
        padding: 0.45rem 0.75rem;
        border: 1px solid var(--border-color);
        border-radius: 6px;
        background-color: var(--light-bg);
        color: var(--text-color);
        width: 100%;
        outline: none;
        cursor: pointer;
    }

    .mobile-select:focus {
        border-color: var(--primary-color);
    }

    /* Hide desktop pill tabs on mobile */
    .pub-tabs { display: none; }
    .pub-sub-list { display: none !important; }

    /* Papers / section sidebar */
    .section-wrapper {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .section-sidebar {
        position: static;
        order: -1;
    }

    /* Activities grid */
    .activities { grid-template-columns: 1fr; }

    /* Section header controls */
    .section-header-row { justify-content: flex-start; text-align: left; }
    .section-header-controls { width: 100%; }
    .section-search-input { width: 100%; flex: 1; }
    .sidebar-photo { max-width: 120px; }

    /* ── Commentaries: stacked layout on mobile ── */
    .commentary-item .comment-row {
        flex-direction: column;
        gap: 0.2rem;
    }

    .commentary-item .comment-date {
        width: auto;
        order: 3;
        font-size: 0.7rem;
        color: #bbb;
    }

    .commentary-item .comment-body {
        flex-direction: column;
        order: 1;
        gap: 0.15rem;
    }

    .commentary-item .comment-link {
        font-size: 0.88rem;
        line-height: 1.45;
        white-space: normal;
    }

    .commentary-item .comment-publication {
        white-space: normal;
        padding-top: 0;
        font-size: 0.76rem;
    }

    .commentary-item .comment-tags {
        padding-left: 0;
        margin-top: 0.2rem;
    }

    /* ── Papers: stacked layout on mobile ── */
    .paper-item .comment-row {
        flex-direction: column;
        gap: 0.2rem;
    }

    .paper-item .comment-date {
        width: auto;
        order: 3;
        font-size: 0.7rem;
        color: #bbb;
    }

    .paper-item .comment-body {
        flex-direction: column;
        order: 1;
        gap: 0.15rem;
    }

    .paper-item .comment-link {
        font-size: 0.88rem;
        line-height: 1.45;
        white-space: normal;
    }

    .paper-item .comment-publication {
        white-space: normal;
        padding-top: 0;
        font-size: 0.76rem;
    }

    .paper-item .paper-coauthor {
        padding-left: 0;
        font-size: 0.74rem;
    }

    .paper-item .comment-tags {
        padding-left: 0;
        margin-top: 0.2rem;
    }

    /* Filter tabs: smaller pills, no overflow */
    .pub-tab {
        font-size: 0.72rem;
        padding: 0.25rem 0.6rem;
    }

    .pub-btn {
        font-size: 0.68rem;
        padding: 0.25rem 0.5rem;
        white-space: normal;
        text-align: center;
        line-height: 1.3;
    }

    /* Books: stack to single column on mobile */
    .books-grid { grid-template-columns: 1fr; }
    .book-cover { height: 220px; }

    /* Dashboards: stack preview above content */
    .dashboard-card { grid-template-columns: 1fr; }
    .dashboard-preview { min-height: 160px; }
    .dashboard-card-body { padding: 1.25rem 1.5rem; }

    /* Media: shrink thumbnail on mobile */
    .media-thumb { width: 100px; min-width: 100px; }

    /* Filter buttons */
    .filter-controls { flex-wrap: wrap; }
    .filter-btn { flex: 1; min-width: 80px; }

    #home, #books, #media, #conference, #dashboards {
        padding: 2rem var(--spacing);
    }
}

@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }

    .home-content { padding: 1rem 0.75rem; }
    .profile-photo { max-width: 100%; }

    .email-links { flex-direction: column; }
    .social-links { flex-direction: column; }
    .social-link { width: 100%; text-align: center; }

    /* Commentary cards: compact on small phones */
    .commentary-item { padding: 0.75rem 0; }
    .comment-date { width: 52px; }
    .comment-tags { padding-left: calc(52px + 1.25rem); }

    /* Stats card smaller */
    .stat-number { font-size: 2rem; }
}