/* Publications Page Styles */

/* ============================================================================
   Publications Sidebar
   ============================================================================ */

.publications-sidebar {
    position: sticky;
    top: 5.75rem;
    max-height: calc(100vh - 6.75rem);
    overflow-y: auto;
    scrollbar-gutter: stable;
    background: transparent;
    border-radius: 0;
    padding: 1rem 1.25rem 1.5rem;
}

.page-publications .publications-sidebar {
    top: 5.5rem;
    max-height: calc(100vh - 6.3rem);
    padding: 0.85rem 1rem 1.1rem;
}

.publications-sidebar-header {
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--bs-border-color);
}

.publications-sidebar-header h1 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
}

.page-publications .publications-sidebar-header {
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
}

.page-publications .publications-sidebar-header h1 {
    font-size: 1.02rem;
}

.publications-sidebar .sidebar-kicker,
.publications-sidebar .sidebar-note {
    color: var(--bs-secondary);
    font-size: 0.78rem;
    line-height: 1.45;
}

.page-publications .publications-sidebar .sidebar-kicker,
.page-publications .publications-sidebar .sidebar-note {
    font-size: 0.72rem;
    line-height: 1.35;
}

.publications-sidebar .sidebar-section {
    margin-bottom: 1rem;
    padding-bottom: 0.9rem;
    border-bottom: 1px solid var(--bs-border-color);
}

.publications-sidebar .sidebar-divider {
    border: none;
    border-top: 2px solid var(--bs-border-color);
    margin: 0.5rem 0 1rem;
    opacity: 1;
}

.publications-sidebar .sidebar-section-compact {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
}

.page-publications .publications-sidebar .sidebar-section {
    margin-bottom: 0.8rem;
    padding-bottom: 0.7rem;
}

.publications-sidebar .sidebar-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

/* Sidebar count display — plain text, no pill background */
.pub-count {
    font-size: 0.68rem;
    font-weight: 400;
    color: var(--bs-secondary-color);
    flex-shrink: 0;
    white-space: nowrap;
    letter-spacing: 0.01em;
}

.pub-count.venue-badge {
    cursor: pointer;
    transition: color 0.15s;
}

.pub-count.venue-badge:hover {
    color: var(--bs-primary);
}

.publications-sidebar .sidebar-title {
    font-size: 0.76rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--bs-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-publications .publications-sidebar .sidebar-title {
    font-size: 0.71rem;
    margin-bottom: 0.75rem;
}

.publications-sidebar .sidebar-title i {
    font-size: 1rem;
}

/* Nav Links */
.publications-sidebar .nav-link {
    color: var(--bs-body-color);
    border-radius: 0;
    padding: 0.2rem 0;
    margin-bottom: 0.1rem;
    transition: none;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.page-publications .publications-sidebar .nav-link {
    font-size: 0.74rem;
    gap: 0.32rem;
    padding: 0.16rem 0;
}

.publications-sidebar .nav-link:hover {
    background-color: transparent;
    color: var(--bs-primary);
    transform: none;
}

.publications-sidebar .nav-link.active {
    background-color: transparent;
    color: var(--bs-primary);
}

.publications-sidebar .nav-link i {
    width: 14px;
    opacity: 0.55;
}

.publications-sidebar .nav-link.active i {
    opacity: 1;
}

.publications-sidebar .venue-ext-link {
    display: inline;
    color: var(--bs-secondary-color);
    text-decoration: none;
    font-size: 0.62em;
    opacity: 0.65;
    margin-left: 0.25em;
    vertical-align: middle;
    line-height: 1;
}

.publications-sidebar .venue-ext-link:hover {
    opacity: 1;
    color: var(--bs-primary);
}

/* Statistics Section */
.pub-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--bs-primary);
    line-height: 1;
}

.page-publications .stat-value {
    font-size: 0.98rem;
}

.stat-label {
    font-size: 0.62rem;
    color: var(--bs-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.page-publications .stat-label {
    font-size: 0.56rem;
}

/* Export Button */
.publications-sidebar .btn {
    font-size: 0.74rem;
    padding: 0.36rem 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.page-publications .publications-sidebar .btn {
    font-size: 0.69rem;
    padding: 0.28rem 0.55rem;
}

.jump-links .nav-link {
    font-size: 0.76rem;
}

.page-publications .jump-links .nav-link {
    font-size: 0.71rem;
}

.publications-sidebar .category-filters {
    gap: 0.35rem;
    font-size: 0.68rem;
}

.publications-sidebar .category-filters .btn,
.publications-sidebar .category-filters .btn-link {
    padding: 0;
    font-size: 0.68rem;
    color: var(--bs-secondary);
    text-decoration: none;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.publications-sidebar .category-filters .btn:hover,
.publications-sidebar .category-filters .btn-link:hover {
    color: var(--bs-primary);
    transform: none;
}

.publications-sidebar .checkbox-group {
    gap: 0.25rem;
}

/* Venue filter — nested under publication types */
.publications-sidebar .pubtype-tree {
    gap: 0;
}

.publications-sidebar .pubtype-node {
    margin-bottom: 0.1rem;
}

.publications-sidebar .pubtype-node .form-check {
    display: flex;
    align-items: center;
    padding-left: 0;
}

/* Collapse toggle button for categories with sub-items */
.publications-sidebar .btn-collapse-toggle {
    background: none;
    border: none;
    color: var(--bs-secondary);
    font-size: 0.68rem;
    padding: 0 0.15rem;
    margin-left: auto;
    cursor: pointer;
    line-height: 1;
    transition: transform 0.2s;
    flex-shrink: 0;
}
.publications-sidebar .btn-collapse-toggle i {
    display: inline-block;
    transition: transform 0.2s;
}
.publications-sidebar .btn-collapse-toggle.collapsed i {
    transform: rotate(-90deg);
}
.publications-sidebar .btn-collapse-toggle:hover {
    color: var(--bs-primary);
}

/* Collapsible venue / sub-item containers */
.publications-sidebar .collapsible {
    overflow: hidden;
    max-height: 500px;
    transition: max-height 0.25s ease-in-out, opacity 0.2s ease-in-out;
    opacity: 1;
}
.publications-sidebar .collapsible.collapsed {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
}

/* Activity subs also collapsible */
.publications-sidebar .activity-subs.collapsible {
    overflow: hidden;
    max-height: 500px;
    transition: max-height 0.25s ease-in-out, opacity 0.2s ease-in-out;
    opacity: 1;
}
.publications-sidebar .activity-subs.collapsible.collapsed {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
}

/* Type badge — clickable solo filter on hover */
.publication-card-type .label,
.publications-list > li .label {
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
}
.publication-card-type .label:hover,
.publications-list > li .label:hover {
    transform: scale(1.12);
    box-shadow: 0 0 0 3px rgba(var(--bs-primary-rgb, 13, 110, 253), 0.25);
    filter: brightness(1.15);
}

/* Sidebar count badges — click to solo */
.publications-sidebar .pubtype-tree .badge,
.publications-sidebar .activity-tree .badge {
    cursor: pointer;
    transition: background-color 0.15s;
}
.publications-sidebar .pubtype-tree .badge:hover,
.publications-sidebar .activity-tree .badge:hover {
    background-color: var(--bs-primary) !important;
}

.publications-sidebar .pubtype-venues {
    padding-left: 1.4rem;
    max-height: 200px;
    overflow-y: auto;
    scrollbar-width: thin;
}

.publications-sidebar .pubtype-venues .form-check {
    padding: 0.1rem 0;
}

.publications-sidebar .pubtype-venues .badge {
    font-size: 0.62rem;
    font-weight: 500;
    min-width: 1.3rem;
    padding: 0.15em 0.4em;
    cursor: pointer;
}

.publications-sidebar .pubtype-venues .badge:hover {
    background-color: var(--bs-primary) !important;
}

.publications-sidebar .pubtype-venues .form-check-label {
    width: 100%;
    font-size: 0.82rem;
}

/* Master checkbox in section title */
.publications-sidebar .sidebar-title .form-check-input {
    margin-top: 0.15rem;
}

.publications-sidebar .sidebar-title label {
    cursor: pointer;
}

/* Activity filter — nested under groups */
.publications-sidebar .activity-tree {
    gap: 0;
}

.publications-sidebar .activity-super-node {
    margin-bottom: 0.25rem;
}

.publications-sidebar .activity-super-node > .form-check label {
    width: 100%;
}

.publications-sidebar .activity-groups {
    padding-left: 1.2rem;
}

.publications-sidebar .activity-node {
    margin-bottom: 0.1rem;
}

.publications-sidebar .activity-node > .form-check label {
    width: 100%;
    font-size: 0.88rem;
}

.publications-sidebar .activity-subs {
    padding-left: 1.4rem;
}

.publications-sidebar .activity-subs .form-check {
    padding: 0.1rem 0;
}

.publications-sidebar .activity-subs .badge {
    font-size: 0.62rem;
    font-weight: 500;
    min-width: 1.3rem;
    padding: 0.15em 0.4em;
    cursor: pointer;
}

.publications-sidebar .activity-subs .badge:hover {
    background-color: var(--bs-primary) !important;
}

.publications-sidebar .activity-subs .form-check-label {
    width: 100%;
    font-size: 0.82rem;
}

.publications-sidebar .checkbox-group .form-check {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0;
    padding: 0.2rem 0;
    padding-left: 0;
}

.publications-sidebar .checkbox-group .form-check-input {
    position: static;
    flex-shrink: 0;
    width: 0.9rem;
    height: 0.9rem;
    margin: 0.12rem 0 0;
}

.publications-sidebar .checkbox-group .form-check-label {
    display: inline-flex;
    align-items: flex-start;
    flex-wrap: wrap;
    font-size: 0.78rem;
    gap: 0.35rem;
    padding: 0;
    margin-left: 0;
    border-radius: 0;
    background: transparent;
}

.publications-sidebar .checkbox-group .form-check-label i {
    flex-shrink: 0;
    opacity: 0.7;
}

.page-publications .publications-sidebar .checkbox-group .form-check-label {
    font-size: 0.72rem;
}

.publications-sidebar .checkbox-group .form-check-label:hover {
    background: transparent;
    padding-left: 0;
}

.publications-sidebar .date-range-filter {
    padding: 0.1rem 0 0;
}

.publications-sidebar .date-range-filter.is-enhanced {
    padding-top: 1.8rem;
}

.publications-sidebar .date-range-filter.is-enhanced .range-display-fallback {
    display: none;
}

.publications-sidebar .range-display {
    justify-content: flex-start;
    gap: 0.35rem;
}

.publications-sidebar .range-display .badge {
    font-size: 0.68rem;
    padding: 0.12rem 0.4rem;
    min-width: 2.6rem;
    font-weight: 500;
}

.page-publications .publications-sidebar .range-display .badge {
    font-size: 0.62rem;
    min-width: 2.3rem;
}

.publications-sidebar .dual-range-slider {
    margin: 0.55rem 0 0.45rem;
    min-height: 18px;
    overflow: visible;
}

.publications-sidebar .date-range-filter.is-enhanced .dual-range-slider {
    margin-top: 0;
    overflow: visible;
}

.publications-sidebar .dual-range-slider .noUi-target {
    border: 0;
    box-shadow: none;
    background: var(--bs-border-color);
}

.publications-sidebar .dual-range-slider .noUi-horizontal {
    height: 3px !important;
}

.publications-sidebar .dual-range-slider .noUi-connect {
    background: var(--bs-secondary-color);
}

.publications-sidebar .dual-range-slider .noUi-handle {
    width: 10px;
    height: 10px;
    top: -4px !important;
    border-width: 1px;
    border-color: var(--bs-secondary-color);
    box-shadow: none;
    transform: none;
}

.publications-sidebar .dual-range-slider .noUi-handle:hover,
.publications-sidebar .dual-range-slider .noUi-handle:active {
    transform: none;
    box-shadow: none;
}

.publications-sidebar .dual-range-slider .noUi-tooltip {
    bottom: calc(100% + 0.55rem);
    left: 50%;
    transform: translateX(-50%);
    border: 0;
    border-radius: 999px;
    padding: 0.14rem 0.42rem;
    min-width: 2.7rem;
    background: var(--bs-secondary-color);
    color: var(--bs-body-bg);
    font-size: 0.64rem;
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    white-space: nowrap;
    box-shadow: none;
}

.publications-sidebar .dual-range-slider .noUi-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    width: 0;
    height: 0;
    margin-left: -4px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid var(--bs-secondary-color);
}

.page-publications .publications-sidebar .dual-range-slider .noUi-tooltip {
    font-size: 0.6rem;
    min-width: 2.45rem;
    padding: 0.12rem 0.36rem;
}

/* ============================================================================
   Publications Content
   ============================================================================ */

.publications-kicker,
.publications-shell-kicker {
    margin-bottom: 0.5rem;
    color: var(--bs-primary);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.publications-hero-label {
    display: inline-block;
    margin-bottom: 0.6rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--bs-secondary);
}

.publications-shell {
    margin-bottom: 2.25rem;
}

.page-publications .publications-shell {
    margin-bottom: 1.75rem;
}

.publications-shell-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
}

.page-publications .publications-shell-header {
    gap: 1rem;
    margin-bottom: 0.95rem;
}

.publications-shell-header .section-heading {
    margin-bottom: 0;
}

.publications-shell-note {
    max-width: 38ch;
    margin: 0;
    color: var(--bs-secondary-color);
}

.page-publications .publications-shell-note {
    font-size: 0.84rem;
}

.thesis-hero {
    margin-bottom: 2.5rem;
    padding: 1.75rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 16px;
    background:
        radial-gradient(circle at top right, rgba(25, 135, 84, 0.08), transparent 30%),
        var(--bs-body-bg);
}

.page-publications .thesis-hero {
    margin-bottom: 1.9rem;
    padding: 1.35rem;
    border-radius: 12px;
}

.thesis-lead {
    max-width: 68ch;
    margin-bottom: 1.5rem;
    font-size: 1.02rem;
    color: var(--bs-secondary-color);
}

.page-publications .thesis-lead {
    margin-bottom: 1rem;
    font-size: 0.93rem;
}

.thesis-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.page-publications .thesis-meta-grid {
    gap: 0.75rem;
}

.thesis-meta-card {
    padding: 1rem;
    border-radius: 12px;
    background: var(--bs-tertiary-bg);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.page-publications .thesis-meta-card {
    padding: 0.8rem;
}

.thesis-meta-card strong {
    display: block;
    margin-bottom: 0.4rem;
}

.thesis-meta-card p {
    margin: 0;
    color: var(--bs-secondary-color);
}

.publication-item {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    margin-bottom: 1rem;
}

.page-publications .publication-item {
    margin-bottom: 0.55rem;
}

.publication-item:hover {
    box-shadow: none;
    border-color: transparent;
    transform: none;
}

.publication-item h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--bs-emphasis-color);
    margin-bottom: 1.25rem;
    padding-bottom: 0;
    border-bottom: none;
}

.page-publications .publication-item h3 {
    font-size: 1.16rem;
    line-height: 1.2;
    margin-bottom: 0.55rem;
}

/* Publication Type Labels */
.label {
    display: inline-block;
    padding: 0.3rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 1px solid transparent;
}

/* Type-specific subtle badge colours */
.label-primary   { background: rgba(13, 110, 253, 0.10); color: #4e8cff; border-color: rgba(13, 110, 253, 0.18); }
.label-success   { background: rgba(25, 135, 84, 0.10);  color: #2eaa6e; border-color: rgba(25, 135, 84, 0.18); }
.label-info      { background: rgba(13, 202, 240, 0.10); color: #0fb5d0; border-color: rgba(13, 202, 240, 0.18); }
.label-warning   { background: rgba(255, 193, 7, 0.12);  color: #c89c00; border-color: rgba(255, 193, 7, 0.22); }
.label-danger    { background: rgba(220, 53, 69, 0.10);  color: #e05263; border-color: rgba(220, 53, 69, 0.18); }
.label-default   { background: rgba(108, 117, 125, 0.10); color: var(--bs-secondary-color); border-color: rgba(108, 117, 125, 0.18); }
.label-preprint  { background: rgba(111, 66, 193, 0.10); color: #8b5cf6; border-color: rgba(111, 66, 193, 0.18); }
.label-ietf      { background: rgba(0, 123, 255, 0.10);  color: #3b82f6; border-color: rgba(0, 123, 255, 0.18); }
.label-report    { background: rgba(108, 117, 125, 0.10); color: #8b95a0; border-color: rgba(108, 117, 125, 0.18); }
.label-workshop  { background: rgba(13, 202, 240, 0.10); color: #0fb5d0; border-color: rgba(13, 202, 240, 0.18); }
.label-talk      { background: rgba(255, 159, 67, 0.10); color: #e88a3a; border-color: rgba(255, 159, 67, 0.18); }
.label-demo      { background: rgba(46, 204, 113, 0.10); color: #27ae60; border-color: rgba(46, 204, 113, 0.18); }

/* Publication Heading */
.publication-item p {
    margin-bottom: 0.65rem;
    line-height: 1.65;
}

.page-publications .publication-item p {
    margin-bottom: 0.3rem;
    line-height: 1.38;
}

.publication-summary {
    margin: 0;
    font-size: 1rem;
    color: var(--bs-body-color);
}

.publication-authors,
.publication-title-line,
.publication-meta {
    margin: 0;
}

.publication-authors {
    font-size: 0.84rem;
    line-height: 1.4;
    color: var(--bs-secondary-color);
}

.publication-title-line {
    margin-top: 0.2rem;
    font-size: 1.02rem;
    line-height: 1.35;
    color: var(--bs-emphasis-color);
}

.publication-title-line strong {
    font-weight: 700;
}

.publication-meta {
    margin-top: 0.18rem;
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--bs-body-color);
}

/* Publication details line: consolidated metadata */
.publication-details-line {
    margin-top: 0.25rem;
    font-size: 0.78rem;
    line-height: 1.4;
    color: var(--bs-secondary-color);
}

.publication-details-line a {
    color: var(--bs-link-color);
    text-decoration: none;
}

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

.page-publications .publication-summary {
    font-size: 0.82rem;
}

.page-publications .publication-authors {
    font-size: 0.68rem;
}

.page-publications .publication-title-line {
    font-size: 0.84rem;
    line-height: 1.28;
    margin-top: 0.1rem;
}

.page-publications .publication-meta {
    font-size: 0.67rem;
    line-height: 1.32;
}

.page-publications .publication-details-line {
    font-size: 0.65rem;
    margin-top: 0.18rem;
}

.publication-summary em,
.publication-summary i {
    color: var(--bs-secondary-color);
}

.publication-award {
    margin-left: 0.5rem;
}

.publication-award-line {
    margin: 0.15rem 0 0.25rem 0;
    font-size: 0.82rem;
    color: #d4a017;
    font-weight: 500;
}
.publication-award-line .fa-star {
    color: #d4a017;
    margin-right: 0.3em;
}
[data-bs-theme="dark"] .publication-award-line {
    color: #f0c040;
}
[data-bs-theme="dark"] .publication-award-line .fa-star {
    color: #f0c040;
}

/* Related (non-self-authored) publications — subtle visual distinction */
.publication-related {
    opacity: 0.72;
    border-left: 3px solid transparent;
}
.publication-related:hover {
    opacity: 1;
}
.publication-item:not(.publication-related) {
}

/* Self-author bold in author list */
.publication-authors strong {
    font-weight: 600;
}

.publication-citations {
    display: inline-flex;
    padding-left: 0.5rem;
}

.publication-meta .publication-citations {
    margin-left: 0.35rem;
    vertical-align: baseline;
}

.publication-year-heading {
    margin: 2rem 0 1rem;
    scroll-margin-top: 5rem;
}

.page-publications .publication-year-heading {
    margin: 1.1rem 0 0.5rem;
    font-size: 1rem;
}

.publication-card-header {
    padding: 1.1rem 1.2rem 0.95rem !important;
    background: transparent !important;
    border: 0 !important;
}

.page-publications .publication-card-header {
    padding: 0.72rem 0.82rem 0.62rem !important;
}

.publication-card-grid {
    display: grid;
    grid-template-columns: minmax(4.5rem, 5.75rem) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
}

.page-publications .publication-card-grid {
    grid-template-columns: minmax(4rem, 5.5rem) minmax(0, 1fr);
    gap: 0.6rem;
}

.page-publications .publication-card-type {
    padding-top: 0;
}

.publication-card-type {
    padding-top: 0.1rem;
}

.publication-card-main {
    min-width: 0;
}

.publication-inline-actions,
.publication-resource-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.9rem;
}

/* Project links under type badge */
.publication-card-projects {
    display: flex;
    flex-wrap: wrap;
    gap: 0.15rem;
    margin-top: 0.35rem;
    justify-content: center;
}

.publication-project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.3rem;
    height: 1.3rem;
    font-size: 0.65rem;
    color: var(--bs-secondary-color);
    opacity: 0.55;
    border-radius: 3px;
    transition: opacity 0.15s, color 0.15s;
}

.publication-project-link:hover {
    opacity: 1;
    color: var(--bs-primary);
}

/* Research topic badges (above authors) */
.publication-topic-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-bottom: 0.25rem;
}

/* Meta bar: topic badges + citation badge on one line */
.publication-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.3rem;
    margin-top: 0.25rem;
    margin-bottom: 0.15rem;
}

.publication-topic-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.68rem;
    font-weight: 500;
    line-height: 1;
    padding: 0.2em 0.55em;
    border-radius: 0.25rem;
    white-space: nowrap;
    border: 1px solid var(--bs-border-color, #dee2e6);
    transition: border-color 0.15s;
}

/* Inner links inside topic badge */
.publication-topic-badge a {
    text-decoration: none;
    color: var(--bs-secondary-color, #6c757d);
    transition: color 0.15s, background 0.15s;
    border-radius: 0.15rem;
    padding: 0 0.1em;
    margin: 0 -0.1em;
}
.publication-topic-badge a:hover {
    color: #fff;
    text-decoration: none;
}

/* Separator between category / subcategory */
.topic-badge-sep {
    color: var(--bs-tertiary-color, #adb5bd);
    font-weight: 400;
    user-select: none;
}

/* ── Per-topic subtle tinted backgrounds ── */

/* Agentic AI — violet */
.publication-topic-badge.topic-agentic-ai {
    background: rgba(139, 92, 246, 0.08);
    border-left: 3px solid #8b5cf6;
}
.publication-topic-badge.topic-agentic-ai a:hover { background: #8b5cf6; }

/* Cloud Security — cyan */
.publication-topic-badge.topic-cloud-security {
    background: rgba(6, 182, 212, 0.08);
    border-left: 3px solid #06b6d4;
}
.publication-topic-badge.topic-cloud-security a:hover { background: #06b6d4; }

/* ICN family — amber */
.publication-topic-badge.topic-hybrid-icn,
.publication-topic-badge.topic-icn {
    background: rgba(245, 158, 11, 0.08);
    border-left: 3px solid #f59e0b;
}
.publication-topic-badge.topic-hybrid-icn a:hover,
.publication-topic-badge.topic-icn a:hover { background: #f59e0b; }

/* Internet Measurements family — emerald */
.publication-topic-badge.topic-internet-measurements,
.publication-topic-badge.topic-testbed-federation,
.publication-topic-badge.topic-flow-aware-networking,
.publication-topic-badge.topic-anycast {
    background: rgba(16, 185, 129, 0.08);
    border-left: 3px solid #10b981;
}
.publication-topic-badge.topic-internet-measurements a:hover,
.publication-topic-badge.topic-testbed-federation a:hover,
.publication-topic-badge.topic-flow-aware-networking a:hover,
.publication-topic-badge.topic-anycast a:hover { background: #10b981; }

/* ── Citation badge — Scholar blue tint ── */
.publication-cite-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25em;
    font-size: 0.68rem;
    font-weight: 500;
    line-height: 1;
    padding: 0.2em 0.55em;
    border-radius: 0.25rem;
    text-decoration: none;
    white-space: nowrap;
    background: rgba(66, 133, 244, 0.07);
    color: #5a7ab5;
    border: 1px solid rgba(66, 133, 244, 0.18);
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.publication-cite-badge:hover {
    background: #4285f4;
    color: #fff;
    border-color: #4285f4;
    text-decoration: none;
}

/* ── Action button colour accents (subtle, theme-friendly) ── */

/* BibTeX — warm neutral */
.publication-bib-trigger {
    color: #7c6f64 !important;
    border-color: rgba(124, 111, 100, 0.25) !important;
    background: rgba(124, 111, 100, 0.05) !important;
}
.publication-bib-trigger:hover {
    color: #fff !important;
    background: rgba(124, 111, 100, 0.72) !important;
    border-color: rgba(124, 111, 100, 0.72) !important;
}

/* Abstract — soft blue */
.publication-abstract-trigger {
    color: #4a7ab5 !important;
    border-color: rgba(74, 122, 181, 0.25) !important;
    background: rgba(74, 122, 181, 0.05) !important;
}
.publication-abstract-trigger:hover {
    color: #fff !important;
    background: rgba(74, 122, 181, 0.72) !important;
    border-color: rgba(74, 122, 181, 0.72) !important;
}

/* PDF / Download — soft rose */
.publication-quick-link,
.publication-item .btn-download {
    color: #c0392b !important;
    border-color: rgba(192, 57, 43, 0.2) !important;
    background: rgba(192, 57, 43, 0.04) !important;
}
.publication-quick-link:hover,
.publication-item .btn-download:hover {
    color: #fff !important;
    background: rgba(192, 57, 43, 0.72) !important;
    border-color: rgba(192, 57, 43, 0.72) !important;
}

/* Slides — teal */
.publication-item .btn-xs[title*="Slides"],
.publication-item .btn-xs[title*="slides"],
.publication-item a.btn-xs[href*="slides"] {
    color: #0d9488 !important;
    border-color: rgba(13, 148, 136, 0.22) !important;
    background: rgba(13, 148, 136, 0.04) !important;
}
.publication-item .btn-xs[title*="Slides"]:hover,
.publication-item .btn-xs[title*="slides"]:hover,
.publication-item a.btn-xs[href*="slides"]:hover {
    color: #fff !important;
    background: rgba(13, 148, 136, 0.72) !important;
    border-color: rgba(13, 148, 136, 0.72) !important;
}

/* Poster — purple */
.publication-item .btn-xs[title*="Poster"],
.publication-item .btn-xs[title*="poster"] {
    color: #7c3aed !important;
    border-color: rgba(124, 58, 237, 0.2) !important;
    background: rgba(124, 58, 237, 0.04) !important;
}
.publication-item .btn-xs[title*="Poster"]:hover,
.publication-item .btn-xs[title*="poster"]:hover {
    color: #fff !important;
    background: rgba(124, 58, 237, 0.72) !important;
    border-color: rgba(124, 58, 237, 0.72) !important;
}

/* Dataset / Demo / Artifact — amber */
.publication-item .btn-xs[title*="Dataset"],
.publication-item .btn-xs[title*="Demo"],
.publication-item .btn-xs[title*="demo"],
.publication-artifact-group .btn {
    color: #b45309 !important;
    border-color: rgba(180, 83, 9, 0.2) !important;
    background: rgba(180, 83, 9, 0.04) !important;
}
.publication-item .btn-xs[title*="Dataset"]:hover,
.publication-item .btn-xs[title*="Demo"]:hover,
.publication-item .btn-xs[title*="demo"]:hover,
.publication-artifact-group .btn:hover {
    color: #fff !important;
    background: rgba(180, 83, 9, 0.72) !important;
    border-color: rgba(180, 83, 9, 0.72) !important;
}

/* PDF dropdown split button group — visually one button */
.publication-pdf-group {
    display: inline-flex;
}

.publication-pdf-group > .btn:first-child:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.publication-pdf-group .dropdown-toggle-split {
    padding: 1px 5px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.15);
    margin-left: 0;
}

.publication-sources-menu {
    font-size: 0.82rem;
    min-width: 12rem;
}

.publication-sources-menu .dropdown-item {
    padding: 0.35rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.publication-sources-menu .dropdown-item i {
    width: 1rem;
    text-align: center;
    flex-shrink: 0;
}

.publication-sources-menu .dropdown-mirror-badge {
    color: #6c757d;
    font-size: 0.7rem;
    margin-left: auto;
}

.publication-sources-menu .dropdown-mirror-badge:hover {
    color: #495057;
}

.page-publications .publication-inline-actions,
.page-publications .publication-resource-links {
    gap: 0.28rem;
    margin-top: 0.45rem;
}

.page-publications .label {
    padding: 0.22rem 0.42rem;
    font-size: 0.55rem;
    letter-spacing: 0.03em;
    white-space: nowrap;
    display: inline-block;
    text-align: center;
    max-width: 100%;
}

/* Citation Badge */
.publication-item .badge {
    background-color: rgba(var(--bs-secondary-rgb), 0.18);
    color: var(--bs-body-color);
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.page-publications .publication-item .badge {
    font-size: 0.58rem;
    padding: 0.12rem 0.34rem;
}

/* Buttons */
.publication-item .btn-group {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
}

.publication-item .btn-group > .btn,
.publication-item .btn-group > .btn + .btn {
    margin-left: 0 !important;
}

.publication-item .btn-xs {
    padding: 0.38rem 0.7rem;
    font-size: 0.75rem;
    border-radius: 999px;
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    transition: all 0.2s ease;
    border: 1px solid var(--bs-border-color);
    background: transparent;
    min-width: 0;
    justify-content: center;
    white-space: nowrap;
}

.page-publications .publication-item .btn-xs {
    padding: 0.2rem 0.42rem;
    font-size: 0.6rem;
    gap: 0.18rem;
}

.publication-item .btn-xs:hover {
    transform: none;
    box-shadow: none;
    background: var(--bs-secondary-bg);
}

.publication-item .btn-danger,
.publication-item .btn-warning,
.publication-item .btn-primary,
.publication-item .btn-success,
.publication-item .btn-info,
.publication-item .btn-default {
    color: var(--bs-body-color);
}

.publication-item .btn-default {
    border: 1px solid var(--bs-border-color);
}

.publication-item .btn-default:hover {
    background-color: var(--bs-secondary-bg);
    color: var(--bs-body-color);
}

/* Collapse Section */
.publication-item .collapse {
    margin-top: 0;
}

.publication-details {
    padding: 0 1.2rem 1.2rem !important;
    border-top: 1px solid var(--bs-border-color);
    background: transparent;
}

.page-publications .publication-details {
    padding: 0 0.82rem 0.82rem !important;
    font-size: 0.8rem;
}

.publication-details p {
    margin-bottom: 0.7rem;
}

.page-publications .publication-details p {
    margin-bottom: 0.42rem;
}

.page-publications .publication-details .publication-resource-links {
    margin-top: 0.55rem;
}

.publication-details p:last-child {
    margin-bottom: 0;
}

/* ============================================================================
   ArXiv ID / Publication Identifiers
   ============================================================================ */

.publication-id {
    margin-top: 0.15rem;
    font-size: 0.78rem;
}

.page-publications .publication-id {
    font-size: 0.65rem;
}

.publication-id-link {
    color: #8b5cf6;
    text-decoration: none;
    font-family: var(--bs-font-monospace);
    font-size: 0.82em;
    font-weight: 500;
}

.publication-id-link:hover {
    color: #7c3aed;
    text-decoration: underline;
}

.publication-id-class {
    color: var(--bs-secondary-color);
    font-size: 0.85em;
    margin-left: 0.3rem;
}

/* Download button distinction */
.publication-item .btn-download {
    background: rgba(25, 135, 84, 0.06);
    border-color: rgba(25, 135, 84, 0.22);
    color: #2eaa6e;
}

.publication-item .btn-download:hover {
    background: rgba(25, 135, 84, 0.14);
    color: #198754;
}

/* arXiv link button */
.publication-item .btn-arxiv {
    background: rgba(111, 66, 193, 0.06);
    border-color: rgba(111, 66, 193, 0.22);
    color: #8b5cf6;
}

.publication-item .btn-arxiv:hover {
    background: rgba(111, 66, 193, 0.14);
    color: #7c3aed;
}

/* Artifact buttons (code, data) */
.publication-item .btn-artifact {
    background: rgba(13, 110, 253, 0.06);
    border-color: rgba(13, 110, 253, 0.18);
    color: #4e8cff;
}

.publication-item .btn-artifact:hover {
    background: rgba(13, 110, 253, 0.14);
    color: #0d6efd;
}

/* Mirror/archive buttons */
.publication-item .btn-mirror {
    background: rgba(108, 117, 125, 0.06);
    border-color: rgba(108, 117, 125, 0.18);
    color: #6c757d;
    padding: 1px 4px;
    margin-left: -2px;
    font-size: 0.7rem;
}

.publication-item .btn-mirror:hover {
    background: rgba(108, 117, 125, 0.18);
    color: #495057;
}

/* ============================================================================
   Publication Modals (Abstract + BibTeX)
   ============================================================================ */

.publication-abstract-body {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--bs-body-color);
}

.publication-abstract-body .publication-keywords {
    margin-top: 1rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--bs-border-color);
    font-size: 0.84rem;
    color: var(--bs-secondary-color);
}

.publication-abstract-body .publication-award-note {
    margin-top: 0.75rem;
    color: #198754;
    font-weight: 500;
}

.bibtex-code {
    background: var(--bs-tertiary-bg);
    color: var(--bs-body-color);
    border: 1px solid var(--bs-border-color);
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.78rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 22rem;
    overflow-y: auto;
}

/* Copy button feedback */
.publication-copy-bib.btn-copied {
    color: #198754 !important;
    border-color: rgba(25, 135, 84, 0.3) !important;
}

/* Modal refinements */
.modal-content {
    border-radius: 14px;
    border: 1px solid var(--bs-border-color);
}

.modal-header {
    border-bottom: 1px solid var(--bs-border-color);
    padding: 1rem 1.25rem;
}

.modal-header .modal-title {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.35;
}

.modal-footer {
    border-top: 1px solid var(--bs-border-color);
    padding: 0.75rem 1.25rem;
    gap: 0.5rem;
}

.modal-footer .btn {
    font-size: 0.78rem;
    border-radius: 999px;
    padding: 0.35rem 0.75rem;
}

/* ============================================================================
   Sections (IETF Drafts, Patents, Posters)
   ============================================================================ */

.section-heading {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--bs-primary);
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--bs-primary);
}

.page-publications .section-heading {
    font-size: 1.5rem;
    margin-top: 2.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.55rem;
}

.publications-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.publications-list li {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 1.15rem 0;
    margin-bottom: 0;
    border-bottom: 1px solid var(--bs-border-color);
}

.page-publications .publications-list li {
    padding: 0.95rem 0;
    margin-bottom: 0;
}

.publications-list li:hover {
    box-shadow: none;
    border-color: var(--bs-border-color);
    transform: none;
}

.publications-list li b {
    color: var(--bs-emphasis-color);
    font-size: 1.02rem;
    display: block;
    margin-bottom: 0.35rem;
}

.page-publications .publications-list li b {
    font-size: 0.94rem;
}

.publications-list li i {
    color: var(--bs-secondary);
    font-style: italic;
}

.publications-list li a {
    color: var(--bs-link-color);
    text-decoration: none;
    font-weight: 500;
}

.publications-list li a:hover {
    text-decoration: underline;
    color: var(--bs-primary);
}

.publication-note {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--bs-secondary-color);
}

.publications-list li img[src*='icon/pdf'] {
    width: 20px;
    height: auto;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.publications-list li img[src*='fr.png'] {
    width: 20px;
    height: auto;
    margin-right: 0.5rem;
    vertical-align: middle;
}

/* ============================================================================
   Dark Mode Overrides
   ============================================================================ */

[data-bs-theme="dark"] .publications-sidebar {
    background: transparent;
}

[data-bs-theme="dark"] .thesis-hero,
[data-bs-theme="dark"] .thesis-meta-card {
    background: #1e1e1e;
    border-color: #2d2d2d;
}

[data-bs-theme="dark"] .publication-item {
    background: transparent;
    border-color: transparent;
}

[data-bs-theme="dark"] .publication-item:hover {
    border-color: transparent;
}

[data-bs-theme="dark"] .publications-list li {
    background: transparent;
    border-color: #2d2d2d;
}

[data-bs-theme="dark"] .publications-list li:hover {
    border-color: #2d2d2d;
}

[data-bs-theme="dark"] .label,
[data-bs-theme="dark"] .label-primary,
[data-bs-theme="dark"] .label-success,
[data-bs-theme="dark"] .label-warning,
[data-bs-theme="dark"] .label-info,
[data-bs-theme="dark"] .label-danger,
[data-bs-theme="dark"] .label-preprint,
[data-bs-theme="dark"] .label-ietf,
[data-bs-theme="dark"] .label-report,
[data-bs-theme="dark"] .label-workshop {
    /* Keep the same colour scheme; the rgba() values work in dark mode */
}

[data-bs-theme="dark"] .publication-id-link {
    color: #a78bfa;
}

[data-bs-theme="dark"] .publication-id-link:hover {
    color: #c4b5fd;
}

[data-bs-theme="dark"] .publication-item .btn-download {
    color: #4ade80;
    border-color: rgba(74, 222, 128, 0.22);
    background: rgba(74, 222, 128, 0.06);
}

[data-bs-theme="dark"] .publication-item .btn-arxiv {
    color: #a78bfa;
    border-color: rgba(167, 139, 250, 0.22);
    background: rgba(167, 139, 250, 0.06);
}

[data-bs-theme="dark"] .publication-item .btn-artifact {
    color: #60a5fa;
    border-color: rgba(96, 165, 250, 0.22);
    background: rgba(96, 165, 250, 0.06);
}

[data-bs-theme="dark"] .publication-item .btn-mirror {
    color: #9ca3af;
    border-color: rgba(156, 163, 175, 0.22);
    background: rgba(156, 163, 175, 0.06);
}

[data-bs-theme="dark"] .publication-item .btn-mirror:hover {
    color: #d1d5db;
    background: rgba(156, 163, 175, 0.14);
}

[data-bs-theme="dark"] .publication-project-link {
    color: #9ca3af;
}

[data-bs-theme="dark"] .publication-project-link:hover {
    color: #60a5fa;
}

[data-bs-theme="dark"] .publication-topic-badge {
    border-color: rgba(255, 255, 255, 0.12);
}

[data-bs-theme="dark"] .publication-topic-badge a {
    color: #d1d5db;
}
[data-bs-theme="dark"] .publication-topic-badge a:hover {
    color: #fff;
}
[data-bs-theme="dark"] .topic-badge-sep {
    color: rgba(255, 255, 255, 0.3);
}

/* Per-topic dark mode tints */
[data-bs-theme="dark"] .publication-topic-badge.topic-agentic-ai        { background: rgba(139, 92, 246, 0.12); }
[data-bs-theme="dark"] .publication-topic-badge.topic-cloud-security     { background: rgba(6, 182, 212, 0.12); }
[data-bs-theme="dark"] .publication-topic-badge.topic-hybrid-icn,
[data-bs-theme="dark"] .publication-topic-badge.topic-icn                { background: rgba(245, 158, 11, 0.12); }
[data-bs-theme="dark"] .publication-topic-badge.topic-internet-measurements,
[data-bs-theme="dark"] .publication-topic-badge.topic-testbed-federation,
[data-bs-theme="dark"] .publication-topic-badge.topic-flow-aware-networking,
[data-bs-theme="dark"] .publication-topic-badge.topic-anycast            { background: rgba(16, 185, 129, 0.12); }

[data-bs-theme="dark"] .publication-cite-badge {
    background: rgba(66, 133, 244, 0.12);
    color: #7aadff;
    border-color: rgba(66, 133, 244, 0.22);
}

[data-bs-theme="dark"] .publication-cite-badge:hover {
    background: #4285f4;
    color: #fff;
    border-color: #4285f4;
}

/* Dark-mode button accents — slightly brighter text, same tint ratios */
[data-bs-theme="dark"] .publication-bib-trigger {
    color: #b8a99a !important;
    border-color: rgba(184, 169, 154, 0.22) !important;
    background: rgba(184, 169, 154, 0.08) !important;
}
[data-bs-theme="dark"] .publication-abstract-trigger {
    color: #7ab0e8 !important;
    border-color: rgba(122, 176, 232, 0.22) !important;
    background: rgba(122, 176, 232, 0.08) !important;
}
[data-bs-theme="dark"] .publication-quick-link,
[data-bs-theme="dark"] .publication-item .btn-download {
    color: #e87c73 !important;
    border-color: rgba(232, 124, 115, 0.2) !important;
    background: rgba(232, 124, 115, 0.06) !important;
}
[data-bs-theme="dark"] .publication-item .btn-xs[title*="Slides"],
[data-bs-theme="dark"] .publication-item .btn-xs[title*="slides"],
[data-bs-theme="dark"] .publication-item a.btn-xs[href*="slides"] {
    color: #5eead4 !important;
    border-color: rgba(94, 234, 212, 0.2) !important;
    background: rgba(94, 234, 212, 0.06) !important;
}
[data-bs-theme="dark"] .publication-item .btn-xs[title*="Poster"],
[data-bs-theme="dark"] .publication-item .btn-xs[title*="poster"] {
    color: #a78bfa !important;
    border-color: rgba(167, 139, 250, 0.2) !important;
    background: rgba(167, 139, 250, 0.06) !important;
}
[data-bs-theme="dark"] .publication-item .btn-xs[title*="Dataset"],
[data-bs-theme="dark"] .publication-item .btn-xs[title*="Demo"],
[data-bs-theme="dark"] .publication-item .btn-xs[title*="demo"],
[data-bs-theme="dark"] .publication-artifact-group .btn {
    color: #fbbf24 !important;
    border-color: rgba(251, 191, 36, 0.2) !important;
    background: rgba(251, 191, 36, 0.06) !important;
}

[data-bs-theme="dark"] .publication-sources-menu {
    background: var(--bs-body-bg);
    border-color: #2d2d44;
}

[data-bs-theme="dark"] .publication-sources-menu .dropdown-item {
    color: var(--bs-body-color);
}

[data-bs-theme="dark"] .publication-sources-menu .dropdown-item:hover {
    background: rgba(96, 165, 250, 0.08);
}

[data-bs-theme="dark"] .publication-sources-menu .dropdown-mirror-badge {
    color: #9ca3af;
}

[data-bs-theme="dark"] .publication-pdf-group .dropdown-toggle-split {
    border-left-color: rgba(255, 255, 255, 0.18);
}

[data-bs-theme="dark"] .bibtex-code {
    background: var(--bs-tertiary-bg);
    border-color: var(--bs-border-color);
}

/* Reset Pygments syntax colors inside BibTeX popup to neutral readable tones */
.bibtex-code .highlight {
    background: transparent;
    color: inherit;
}

.bibtex-code .highlight .k,
.bibtex-code .highlight .o,
.bibtex-code .highlight .kn,
.bibtex-code .highlight .kp { color: var(--bs-primary); font-weight: normal; }

.bibtex-code .highlight .s,
.bibtex-code .highlight .s1,
.bibtex-code .highlight .s2,
.bibtex-code .highlight .se { color: var(--bs-body-color); }

.bibtex-code .highlight .n,
.bibtex-code .highlight .na,
.bibtex-code .highlight .nb { color: var(--bs-secondary-color); }

.bibtex-code .highlight .c,
.bibtex-code .highlight .c1,
.bibtex-code .highlight .cm { color: var(--bs-secondary-color); font-style: italic; }

[data-bs-theme="dark"] .modal-content {
    background: var(--bs-body-bg);
    border-color: #2d2d2d;
}

[data-bs-theme="dark"] .publication-item .btn-xs {
    border-color: rgba(148, 163, 184, 0.2);
    color: rgba(226, 232, 240, 0.92);
}

[data-bs-theme="dark"] .publication-item .btn-xs:hover {
    background: rgba(255, 255, 255, 0.05);
}

@media (max-width: 991.98px) {
    .publications-sidebar {
        position: static;
        max-height: none;
        overflow: visible;
        padding: 0 0 1.5rem;
    }

    .publications-shell-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .thesis-meta-grid {
        grid-template-columns: 1fr;
    }

    .publication-card-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}

[data-bs-theme="dark"] .publications-sidebar .btn-outline-primary {
    border-color: var(--bs-primary);
    color: var(--bs-primary);
}

[data-bs-theme="dark"] .publications-sidebar .btn-outline-primary:hover {
    background-color: var(--bs-primary);
    color: white;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 992px) {
    .publications-shell-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .pub-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }

    .stat-value {
        font-size: 1.25rem;
    }

    .publication-item .btn-group {
        flex-direction: column;
        align-items: stretch;
    }

    .publication-inline-actions,
    .publication-resource-links {
        flex-direction: column;
        align-items: stretch;
    }

    .publication-item .btn-xs {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .publication-item h3 {
        font-size: 1.5rem;
    }

    .publication-card-header,
    .publication-details {
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }

    .section-heading {
        font-size: 1.5rem;
    }

    .publication-authors {
        font-size: 0.78rem;
    }

    .publication-title-line {
        font-size: 0.92rem;
    }

    .publication-meta {
        font-size: 0.74rem;
    }

    .page-publications .publication-item h3 {
        font-size: 1.16rem;
    }

    .page-publications .section-heading {
        font-size: 1.3rem;
    }
}

/* ── Artifact split-button dropdowns (Dataset, Demo, etc. with archive) ── */
.publication-artifact-group {
    display: inline-flex !important;
    vertical-align: middle;
}
.publication-artifact-group > .btn:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}
.publication-artifact-group > .dropdown-toggle-split {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-left: 1px solid rgba(255, 255, 255, 0.15);
    padding-left: 0.35rem;
    padding-right: 0.35rem;
}
.publication-artifact-group .dropdown-divider {
    margin: 0.25rem 0;
}

/* ============================================================================
   Author Interactive Styles
   ============================================================================ */

/* Clickable author names */
.pub-author {
    cursor: pointer;
    border-bottom: 1px dotted var(--bs-secondary);
    transition: color 0.15s, border-color 0.15s;
}
.pub-author:hover {
    color: var(--bs-primary);
    border-bottom-color: var(--bs-primary);
}

/* Author popover */
.author-popover {
    background: var(--bs-body-bg, #fff);
    border: 1px solid var(--bs-border-color, #dee2e6);
    border-radius: 0.5rem;
    padding: 0.75rem;
    min-width: 200px;
    max-width: 320px;
    box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.15);
    font-size: 0.85rem;
}
.author-popover-header {
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
}
.author-popover-info {
    margin-bottom: 0.25rem;
    font-size: 0.8rem;
}
.author-popover-info i {
    width: 1.1em;
    text-align: center;
    margin-right: 0.25rem;
}
.author-popover-links {
    display: flex;
    gap: 0.35rem;
    margin-top: 0.5rem;
    flex-wrap: wrap;
}
.author-popover-links .btn {
    padding: 0.2rem 0.45rem;
    font-size: 0.75rem;
}

/* Dark mode popover */
[data-bs-theme="dark"] .author-popover {
    background: var(--bs-body-bg, #212529);
    border-color: var(--bs-border-color, #495057);
    box-shadow: 0 0.25rem 1rem rgba(0, 0, 0, 0.4);
}

/* ── Coauthor / Affiliation / Collaboration sidebar sections ── */
.coauthor-affiliation-node {
    margin-bottom: 0.5rem;
}
.coauthor-affiliation-header {
    padding: 0.15rem 0 0.1rem 0.25rem;
    border-bottom: 1px solid var(--bs-border-color-translucent, rgba(0,0,0,0.075));
    margin-bottom: 0.2rem;
}
.coauthor-affiliation-header small {
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}
.coauthor-tree .form-check,
.affiliation-tree .form-check,
.collaboration-tree .form-check {
    padding-left: 1.5rem;
    font-size: 0.82rem;
}

/* Collapse icon rotation */
.sidebar-title .collapse-icon {
    transition: transform 0.2s;
    font-size: 0.75rem;
}
.sidebar-title[aria-expanded="true"] .collapse-icon,
.sidebar-title:not(.collapsed) .collapse-icon {
    transform: rotate(180deg);
}