:root {
    --skls-sd-primary: #0f766e;
    --skls-sd-primary-dark: #115e59;
    --skls-sd-primary-soft: #ecfdf8;
    --skls-sd-navy: #0f172a;
    --skls-sd-navy-2: #143b55;
    --skls-sd-gold: #b98536;
    --skls-sd-ink: #172033;
    --skls-sd-text: #344054;
    --skls-sd-muted: #667085;
    --skls-sd-border: #dce3e8;
    --skls-sd-border-soft: #edf1f4;
    --skls-sd-page: #f4f7f8;
    --skls-sd-white: #ffffff;
    --skls-sd-site-header-offset: 88px;
    --skls-sd-shadow: 0 12px 34px rgba(15, 23, 42, .065);
    --skls-sd-shadow-soft: 0 6px 20px rgba(15, 23, 42, .045);
    --skls-sd-serif: "Merriweather", Georgia, "Times New Roman", serif;
    --skls-sd-sans: "Open Sans", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
}

html {
    scroll-behavior: smooth;
}

.skls-sd-page,
.skls-sd-page * {
    box-sizing: border-box;
}

/* Defensive isolation from generic site rules such as header { position: fixed; }. */
.skls-sd-page .skls-sd-article-header {
    position: relative !important;
    inset: auto !important;
    z-index: 1 !important;
    display: block !important;
    width: 100% !important;
    min-width: 0 !important;
    min-height: 0 !important;
    max-width: none !important;
    margin: 0 !important;
    transform: none !important;
    overflow: visible !important;
}

.skls-sd-page {
    min-height: 100vh;
    padding: 24px 0 82px;
    color: var(--skls-sd-text);
    font-family: var(--skls-sd-sans);
    background:
        radial-gradient(circle at 5% 0%, rgba(15, 118, 110, .075), transparent 25%),
        radial-gradient(circle at 96% 4%, rgba(20, 59, 85, .055), transparent 23%),
        linear-gradient(180deg, #f8fafb 0, var(--skls-sd-page) 420px, #f7f9fa 100%);
}

.skls-sd-container {
    width: min(1320px, calc(100% - 36px));
    margin: 0 auto 44px;
}

/* =========================================================
   JOURNAL IDENTITY BANNER
   All visible banner text is explicitly white.
   ========================================================= */
.skls-sd-journal-bar {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
    min-height: 100px;
    padding: 18px 24px;
    color: #ffffff !important;
    background:
        radial-gradient(circle at 83% 18%, rgba(255, 255, 255, .12), transparent 24%),
        linear-gradient(
            118deg,
            var(--skls-sd-navy) 0%,
            var(--skls-sd-navy-2) 58%,
            var(--skls-sd-primary) 100%
        );
    border: 1px solid rgba(255, 255, 255, .10);
    border-radius: 18px 18px 0 0;
    box-shadow: 0 18px 48px rgba(15, 23, 42, .15);
}

.skls-sd-journal-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
    color: #ffffff !important;
}

.skls-sd-journal-logo {
    display: grid;
    flex: 0 0 64px;
    width: 64px;
    height: 64px;
    padding: 8px;
    place-items: center;
    overflow: hidden;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: 10px;
    box-shadow: 0 9px 24px rgba(0, 0, 0, .18);
}

.skls-sd-journal-logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.skls-sd-journal-copy {
    min-width: 0;
    color: #ffffff !important;
}

.skls-sd-journal-bar .skls-sd-journal-copy > span {
    display: block;
    margin-bottom: 4px;
    color: #ffffff !important;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.skls-sd-journal-bar .skls-sd-journal-copy h2 {
    margin: 0;
    overflow: hidden;
    color: #ffffff !important;
    font-family: var(--skls-sd-serif);
    font-size: clamp(23px, 2.45vw, 34px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.02em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.skls-sd-journal-bar .skls-sd-journal-copy p {
    margin: 6px 0 0;
    overflow: hidden;
    color: #ffffff !important;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.45;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.skls-sd-journal-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.skls-sd-journal-bar .skls-sd-journal-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 40px;
    padding: 9px 14px;
    color: #ffffff !important;
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, .30);
    border-radius: 6px;
    transition: background .18s ease, border-color .18s ease, color .18s ease;
}

.skls-sd-journal-bar .skls-sd-journal-links a i {
    color: inherit !important;
}

.skls-sd-journal-bar .skls-sd-journal-links a:hover,
.skls-sd-journal-bar .skls-sd-journal-links a:focus-visible {
    color: #ffffff !important;
    background: rgba(255, 255, 255, .12);
    border-color: rgba(255, 255, 255, .62);
    text-decoration: none;
}

.skls-sd-journal-bar .skls-sd-journal-links .skls-sd-journal-cta {
    color: var(--skls-sd-navy) !important;
    background: #ffffff;
    border-color: #ffffff;
}

.skls-sd-journal-bar .skls-sd-journal-links .skls-sd-journal-cta i {
    color: var(--skls-sd-primary) !important;
}

.skls-sd-journal-bar .skls-sd-journal-links .skls-sd-journal-cta:hover,
.skls-sd-journal-bar .skls-sd-journal-links .skls-sd-journal-cta:focus-visible {
    color: var(--skls-sd-primary-dark) !important;
    background: #f0fdfa;
    border-color: #f0fdfa;
}

/* Article identity block */
.skls-sd-article-header {
    padding: 34px 42px 30px;
    background: #ffffff;
    border-right: 1px solid var(--skls-sd-border);
    border-bottom: 1px solid var(--skls-sd-border);
    border-left: 1px solid var(--skls-sd-border);
    box-shadow: var(--skls-sd-shadow);
}

.skls-sd-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 21px;
    overflow: hidden;
    color: var(--skls-sd-muted);
    font-size: 11.5px;
    white-space: nowrap;
}

.skls-sd-breadcrumbs a {
    color: var(--skls-sd-primary);
    font-weight: 700;
    text-decoration: none;
}

.skls-sd-breadcrumbs a:hover {
    text-decoration: underline;
}

.skls-sd-breadcrumbs i {
    color: #a5adb7;
    font-size: 8px;
}

.skls-sd-breadcrumbs span {
    overflow: hidden;
    text-overflow: ellipsis;
}

.skls-sd-article-type-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}

.skls-sd-type-label,
.skls-sd-access-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 28px;
    padding: 5px 9px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .025em;
    border-radius: 4px;
}

.skls-sd-type-label {
    color: var(--skls-sd-primary-dark);
    background: var(--skls-sd-primary-soft);
    border-left: 3px solid var(--skls-sd-primary);
}

.skls-sd-access-label.is-open {
    color: #047857;
    background: #ecfdf5;
}

.skls-sd-access-label.is-subscription {
    color: #92400e;
    background: #fef3c7;
}

.skls-sd-page .skls-sd-article-header h1 {
    max-width: 1080px;
    margin: 0 0 18px;
    color: var(--skls-sd-ink);
    font-family: var(--skls-sd-serif);
    font-size: clamp(30px, 3vw, 42px) !important;
    font-weight: 700;
    line-height: 1.20;
    letter-spacing: -.018em;
    text-wrap: balance;
    text-rendering: optimizeLegibility;
}

.skls-sd-authors {
    max-width: 1040px;
    margin-bottom: 12px;
    color: var(--skls-sd-primary);
    font-size: 15.5px;
    font-weight: 700;
    line-height: 1.7;
}

.skls-sd-author sup {
    margin-left: 2px;
    color: var(--skls-sd-muted);
    font-size: 9px;
}

.skls-sd-author .skls-sd-corresponding-mark {
    color: var(--skls-sd-gold);
}

.skls-sd-author-separator {
    margin-right: 4px;
    color: #9099a5;
}

.skls-sd-affiliations {
    display: grid;
    max-width: 1040px;
    gap: 4px;
    margin-bottom: 15px;
    color: #596574;
    font-size: 12.5px;
    line-height: 1.58;
}

.skls-sd-affiliations sup {
    color: var(--skls-sd-primary);
    font-size: 9px;
    font-weight: 800;
}

.skls-sd-record-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 18px;
    margin-top: 14px;
    color: var(--skls-sd-muted);
    font-size: 12px;
}

.skls-sd-record-line a {
    color: var(--skls-sd-primary);
    font-weight: 700;
    overflow-wrap: anywhere;
    text-decoration: none;
}

.skls-sd-record-line a:hover {
    text-decoration: underline;
}

.skls-sd-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 23px;
    padding-top: 18px;
    border-top: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 9px 14px;
    color: var(--skls-sd-primary-dark);
    font-family: inherit;
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    background: #ffffff;
    border: 1px solid #bcc6cf;
    border-radius: 5px;
    cursor: pointer;
    transition: .18s ease;
}

.skls-sd-action:hover {
    color: var(--skls-sd-primary);
    background: #f2fbfa;
    border-color: var(--skls-sd-primary);
}

.skls-sd-action-primary {
    color: #ffffff;
    background: var(--skls-sd-primary);
    border-color: var(--skls-sd-primary);
}

.skls-sd-action-primary:hover {
    color: #ffffff;
    background: var(--skls-sd-primary-dark);
}

/* Sticky section navigation: kept below the site's fixed navigation bar. */
.skls-sd-section-tabs {
    position: sticky;
    top: var(--skls-sd-site-header-offset);
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 18px;
    min-height: 58px;
    padding: 8px 18px;
    margin-bottom: 22px;
    background: rgba(255,255,255,.98);
    border-right: 1px solid var(--skls-sd-border);
    border-bottom: 1px solid var(--skls-sd-border);
    border-left: 1px solid var(--skls-sd-border);
    border-radius: 0 0 10px 10px;
    box-shadow: 0 8px 22px rgba(15,23,42,.065);
    backdrop-filter: blur(12px);
}

.skls-sd-section-tabs-label {
    flex: 0 0 auto;
    padding-right: 17px;
    color: var(--skls-sd-navy);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
    border-right: 1px solid var(--skls-sd-border);
}

.skls-sd-section-tabs-scroll {
    display: flex;
    align-items: center;
    gap: 2px;
    min-width: 0;
    overflow-x: auto;
    scrollbar-width: thin;
}

.skls-sd-section-tabs a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: 0 0 auto;
    padding: 9px 11px;
    color: #4c5968;
    font-size: 12px;
    font-weight: 700;
    text-decoration: none;
    border-bottom: 2px solid transparent;
}

.skls-sd-section-tabs a:hover,
.skls-sd-section-tabs a:focus-visible {
    color: var(--skls-sd-primary);
    border-bottom-color: var(--skls-sd-primary);
}

.skls-sd-section-tabs a span {
    color: var(--skls-sd-muted);
    font-size: 10px;
}

/* Three-column scholarly reading layout */
.skls-sd-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr) 292px;
    gap: 22px;
    align-items: start;
}

.skls-sd-outline-rail,
.skls-sd-utility-rail {
    min-width: 0;
}

.skls-sd-outline,
.skls-sd-utility-rail {
    position: sticky;
    top: calc(var(--skls-sd-site-header-offset) + 76px);
}

.skls-sd-outline {
    padding: 16px 0;
    background: #ffffff;
    border: 1px solid var(--skls-sd-border);
    border-radius: 8px;
    box-shadow: var(--skls-sd-shadow-soft);
}

.skls-sd-outline-title {
    padding: 0 16px 12px;
    color: var(--skls-sd-navy);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .09em;
    text-transform: uppercase;
    border-bottom: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-outline ul {
    padding: 7px 0 0;
    margin: 0;
    list-style: none;
}

.skls-sd-outline li {
    margin: 0;
}

.skls-sd-outline a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 15px;
    color: #4f5b69;
    font-size: 12px;
    font-weight: 650;
    line-height: 1.35;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.skls-sd-outline a:hover,
.skls-sd-outline a:focus-visible {
    color: var(--skls-sd-primary-dark);
    background: var(--skls-sd-primary-soft);
    border-left-color: var(--skls-sd-primary);
}

.skls-sd-outline small {
    color: var(--skls-sd-muted);
    font-size: 10px;
}

.skls-sd-paper {
    min-width: 0;
    padding: 38px 44px 50px;
    background: #ffffff;
    border: 1px solid var(--skls-sd-border);
    border-radius: 8px;
    box-shadow: var(--skls-sd-shadow);
}

.skls-sd-section,
.skls-sd-keywords {
    scroll-margin-top: calc(var(--skls-sd-site-header-offset) + 82px);
}

.skls-sd-section {
    padding: 0 0 32px;
    margin: 0 0 32px;
    border-bottom: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.skls-sd-page .skls-sd-section > h2,
.skls-sd-page .skls-sd-keywords > h2,
.skls-sd-page .skls-sd-section-title-row h2 {
    margin: 0 0 18px;
    color: var(--skls-sd-ink);
    font-family: var(--skls-sd-serif);
    font-size: 31px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.022em;
    text-rendering: optimizeLegibility;
}

.skls-sd-abstract-text,
.skls-sd-fulltext-content {
    color: #273340;
    font-family: var(--skls-sd-serif);
    font-size: 18px;
    font-weight: 400;
    line-height: 1.8;
    font-variant-ligatures: common-ligatures;
    text-rendering: optimizeLegibility;
}

.skls-sd-abstract-text {
    padding: 1px 0 1px 18px;
    border-left: 4px solid var(--skls-sd-primary);
}

.skls-sd-keywords {
    padding: 0 0 32px;
    margin: -6px 0 32px;
    border-bottom: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-page .skls-sd-keywords > h2 {
    margin-bottom: 12px;
    font-size: 25px;
}

.skls-sd-keyword-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.skls-sd-keyword-list span {
    display: inline-flex;
    align-items: center;
    min-height: 29px;
    padding: 5px 9px;
    color: var(--skls-sd-primary-dark);
    font-size: 12px;
    font-weight: 700;
    background: var(--skls-sd-primary-soft);
    border: 1px solid #c9e7e2;
    border-radius: 4px;
}

.skls-sd-declaration-list {
    display: grid;
    gap: 14px;
}

.skls-sd-declaration-list > div {
    padding: 16px 18px;
    background: #f8fafb;
    border-left: 3px solid var(--skls-sd-primary);
    border-radius: 0 5px 5px 0;
}

.skls-sd-page .skls-sd-declaration-list h3 {
    margin: 0 0 6px;
    color: var(--skls-sd-navy);
    font-family: var(--skls-sd-serif);
    font-size: 18px;
    font-weight: 700;
    line-height: 1.35;
}

.skls-sd-declaration-list p {
    margin: 0;
    color: #4a5867;
    font-family: var(--skls-sd-serif);
    font-size: 16px;
    line-height: 1.72;
}

/* Full-text typography */
.skls-sd-fulltext-content > :first-child {
    margin-top: 0;
}

.skls-sd-fulltext-content h1 {
    display: none;
}

.skls-sd-page .skls-sd-fulltext-content h2,
.skls-sd-page .skls-sd-fulltext-content h3,
.skls-sd-page .skls-sd-fulltext-content h4 {
    scroll-margin-top: calc(var(--skls-sd-site-header-offset) + 82px);
    color: var(--skls-sd-ink);
    font-family: var(--skls-sd-serif);
    font-weight: 700;
    letter-spacing: -.015em;
    text-rendering: optimizeLegibility;
}

.skls-sd-page .skls-sd-fulltext-content h2 {
    margin: 40px 0 16px;
    padding-top: 20px;
    font-size: 27px;
    line-height: 1.25;
    border-top: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-page .skls-sd-fulltext-content h3 {
    margin: 29px 0 12px;
    font-size: 22px;
    line-height: 1.3;
}

.skls-sd-page .skls-sd-fulltext-content h4 {
    margin: 23px 0 10px;
    font-size: 18px;
}

.skls-sd-fulltext-content p {
    margin: 0 0 18px;
}

.skls-sd-fulltext-content a {
    color: var(--skls-sd-primary);
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.skls-sd-fulltext-content ul,
.skls-sd-fulltext-content ol {
    padding-left: 25px;
    margin: 0 0 20px;
}

.skls-sd-fulltext-content li {
    margin-bottom: 7px;
}

.skls-sd-fulltext-content blockquote {
    padding: 16px 18px;
    margin: 23px 0;
    color: #465463;
    background: #f7f9fa;
    border-left: 4px solid var(--skls-sd-primary);
}

.skls-sd-fulltext-content img {
    max-width: 100%;
    height: auto;
}

.skls-sd-empty {
    padding: 28px;
    color: var(--skls-sd-muted);
    text-align: center;
    background: #fafbfc;
    border: 1px dashed #cbd2d9;
    border-radius: 5px;
}

/* Figures, tables, supplementary files */
.skls-sd-section-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 18px;
}

.skls-sd-page .skls-sd-section-title-row h2 {
    margin-bottom: 0;
}

.skls-sd-section-title-row > span {
    display: grid;
    min-width: 27px;
    height: 27px;
    padding: 0 6px;
    place-items: center;
    color: var(--skls-sd-primary-dark);
    font-size: 10px;
    font-weight: 800;
    background: var(--skls-sd-primary-soft);
    border-radius: 50%;
}

.skls-sd-figure-item,
.skls-sd-table-item,
.skls-sd-supp-item {
    padding: 0 0 24px;
    margin: 0 0 24px;
    border-bottom: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-figure-item:last-child,
.skls-sd-table-item:last-child,
.skls-sd-supp-item:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.skls-sd-asset-content,
.skls-sd-table-box {
    overflow-x: auto;
    background: #fafbfc;
    border: 1px solid var(--skls-sd-border);
    border-radius: 5px;
}

.skls-sd-asset-content {
    padding: 15px;
}

.skls-sd-table-box {
    padding: 6px;
}

.skls-rendered-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.skls-rendered-image img,
.skls-sd-asset-content img,
.skls-sd-table-box img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.skls-rendered-pdf iframe,
.skls-rendered-pdf object {
    width: 100%;
    min-height: 690px;
    border: 0;
    background: #ffffff;
}

.skls-rendered-docx,
.skls-rendered-text {
    color: var(--skls-sd-navy);
    font-size: 14px;
    line-height: 1.75;
}

.skls-rendered-text {
    margin: 0;
    white-space: pre-wrap;
}

.skls-rendered-docx table,
.skls-rendered-table,
.prose-reset table {
    width: 100%;
    margin: 17px 0;
    font-family: var(--skls-sd-sans);
    font-size: 12.5px;
    border-collapse: collapse;
}

.skls-rendered-docx th,
.skls-rendered-docx td,
.skls-rendered-table th,
.skls-rendered-table td,
.prose-reset th,
.prose-reset td {
    padding: 9px 10px;
    vertical-align: top;
    border: 1px solid #d7dde3;
}

.skls-rendered-docx th,
.skls-rendered-table th,
.prose-reset th {
    color: var(--skls-sd-navy);
    font-weight: 800;
    text-align: left;
    background: #eef3f4;
}

.skls-rendered-docx tbody tr:nth-child(even),
.skls-rendered-table tbody tr:nth-child(even),
.prose-reset tbody tr:nth-child(even) {
    background: #fafcfc;
}

.skls-sd-figure-item figcaption {
    padding-top: 12px;
    color: #4d5a68;
    font-size: 13px;
    line-height: 1.65;
}

.skls-sd-figure-item figcaption strong {
    display: block;
    margin-bottom: 4px;
    color: var(--skls-sd-navy);
}

.skls-sd-figure-item figcaption p,
.skls-sd-table-description,
.skls-sd-supp-item p {
    margin: 0;
}

.skls-sd-page .skls-sd-table-item h3,
.skls-sd-page .skls-sd-supp-item h3 {
    margin: 0 0 12px;
    color: var(--skls-sd-navy);
    font-family: var(--skls-sd-sans);
    font-size: 16px;
    font-weight: 800;
}

.skls-sd-table-description,
.skls-sd-supp-item p {
    margin-top: 11px;
    color: #4e5b69;
    font-size: 13px;
    line-height: 1.65;
}

.skls-sd-supp-preview {
    margin-top: 13px;
}

.skls-file-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 15px 17px;
    background: #ffffff;
    border: 1px solid var(--skls-sd-border);
    border-radius: 5px;
}

.skls-file-card strong,
.skls-file-card span {
    display: block;
}

.skls-file-card strong {
    color: var(--skls-sd-navy);
    font-size: 12.5px;
}

.skls-file-card span {
    margin-top: 3px;
    color: var(--skls-sd-muted);
    font-size: 10.5px;
}

.skls-file-card a {
    flex: 0 0 auto;
    color: var(--skls-sd-primary);
    font-size: 11.5px;
    font-weight: 800;
    text-decoration: none;
}

/* References */
.skls-sd-references > ol {
    padding: 0;
    margin: 0;
    list-style: none;
    counter-reset: skls-sd-ref;
}

.skls-sd-references > ol > li {
    position: relative;
    padding: 0 0 18px 42px;
    margin: 0 0 18px;
    color: #374553;
    font-family: var(--skls-sd-serif);
    font-size: 15px;
    line-height: 1.72;
    border-bottom: 1px solid var(--skls-sd-border-soft);
    counter-increment: skls-sd-ref;
}

.skls-sd-references > ol > li::before {
    position: absolute;
    top: 0;
    left: 0;
    content: counter(skls-sd-ref) ".";
    color: var(--skls-sd-primary);
    font-family: var(--skls-sd-sans);
    font-size: 12px;
    font-weight: 800;
}

.skls-sd-references > ol > li:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.skls-sd-references a {
    display: inline-block;
    margin-top: 5px;
    color: var(--skls-sd-primary);
    font-family: var(--skls-sd-sans);
    font-size: 11.5px;
    font-weight: 700;
    overflow-wrap: anywhere;
    text-decoration: none;
}

.skls-sd-references a:hover {
    text-decoration: underline;
}

.skls-sd-reference-text {
    color: #374553;
    font-family: var(--skls-sd-serif);
    font-size: 15px;
    line-height: 1.72;
    white-space: pre-line;
}

/* Right utility rail */
.skls-sd-utility-rail {
    display: grid;
    gap: 14px;
}

.skls-sd-utility-card {
    padding: 18px;
    background: #ffffff;
    border: 1px solid var(--skls-sd-border);
    border-radius: 8px;
    box-shadow: var(--skls-sd-shadow-soft);
}

.skls-sd-page .skls-sd-utility-card h3 {
    padding-bottom: 11px;
    margin: 0 0 13px;
    color: var(--skls-sd-navy);
    font-family: var(--skls-sd-serif);
    font-size: 21px;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -.018em;
    border-bottom: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-utility-card p {
    margin: 9px 0 0;
    color: #5a6674;
    font-size: 12px;
    line-height: 1.6;
}

.skls-sd-open-note {
    display: flex;
    align-items: center;
    gap: 7px;
    color: #047857 !important;
    font-weight: 800;
}

.skls-sd-utility-actions {
    display: grid;
    gap: 8px;
    margin-top: 13px;
}

.skls-sd-utility-actions a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 9px 11px;
    color: var(--skls-sd-primary-dark);
    font-size: 12px;
    font-weight: 800;
    text-decoration: none;
    background: #ffffff;
    border: 1px solid #bdc6cf;
    border-radius: 5px;
}

.skls-sd-utility-actions a:hover {
    color: var(--skls-sd-primary);
    background: #f3fbfa;
    border-color: var(--skls-sd-primary);
}

.skls-sd-utility-actions .skls-sd-utility-primary {
    color: #ffffff;
    background: var(--skls-sd-primary);
    border-color: var(--skls-sd-primary);
}

.skls-sd-utility-actions .skls-sd-utility-primary:hover {
    color: #ffffff;
    background: var(--skls-sd-primary-dark);
}

.skls-sd-info-list {
    display: grid;
    gap: 0;
    margin: 0;
}

.skls-sd-info-list > div {
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--skls-sd-border-soft);
}

.skls-sd-info-list > div:last-child {
    border-bottom: 0;
}

.skls-sd-info-list dt {
    color: var(--skls-sd-muted);
    font-size: 10.5px;
    font-weight: 700;
}

.skls-sd-info-list dd {
    margin: 0;
    color: var(--skls-sd-navy);
    font-size: 11.5px;
    font-weight: 700;
}

.skls-sd-contact-name {
    display: block;
    margin-bottom: 7px;
    color: var(--skls-sd-navy);
    font-size: 13px;
}

.skls-sd-wrap-link {
    display: block;
    color: var(--skls-sd-primary);
    font-size: 11.5px;
    font-weight: 700;
    overflow-wrap: anywhere;
    text-decoration: none;
}

.skls-sd-wrap-link:hover {
    text-decoration: underline;
}

.skls-sd-citation-box {
    color: #475462;
    font-family: var(--skls-sd-serif);
    font-size: 14px;
    line-height: 1.7;
}

/* =========================================================
   SCHOLARLY TYPOGRAPHY SYSTEM
   Source Serif 4 for article reading; Inter for controls.
   ========================================================= */
.skls-sd-section-tabs,
.skls-sd-outline,
.skls-sd-action,
.skls-sd-journal-links,
.skls-sd-utility-actions,
.skls-sd-keyword-list,
.skls-sd-info-list,
.skls-file-card,
.skls-sd-breadcrumbs,
.skls-sd-article-type-row,
.skls-sd-authors,
.skls-sd-affiliations,
.skls-sd-record-line {
    font-family: var(--skls-sd-sans);
}

/* Responsive */
@media (max-width: 1240px) {
    .skls-sd-layout {
        grid-template-columns: 174px minmax(0, 1fr) 260px;
        gap: 16px;
    }

    .skls-sd-paper {
        padding-right: 34px;
        padding-left: 34px;
    }
}

@media (max-width: 1080px) {
    .skls-sd-layout {
        grid-template-columns: minmax(0, 1fr) 280px;
    }

    .skls-sd-outline-rail {
        display: none;
    }
}

@media (max-width: 860px) {
    :root {
        --skls-sd-site-header-offset: 74px;
    }

    .skls-sd-journal-bar {
        align-items: flex-start;
        flex-direction: column;
    }

    .skls-sd-journal-links {
        justify-content: flex-start;
    }

    .skls-sd-layout {
        grid-template-columns: 1fr;
    }

    .skls-sd-utility-rail {
        position: static;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .skls-sd-article-header {
        padding-right: 30px;
        padding-left: 30px;
    }
}

@media (max-width: 680px) {
    :root {
        --skls-sd-site-header-offset: 68px;
    }

    .skls-sd-page {
        padding: 12px 0 52px;
    }

    .skls-sd-container {
        width: calc(100% - 18px);
        margin-bottom: 24px;
    }

    .skls-sd-journal-bar {
        padding: 16px;
        border-radius: 13px 13px 0 0;
    }

    .skls-sd-journal-logo {
        flex-basis: 54px;
        width: 54px;
        height: 54px;
    }

    .skls-sd-journal-copy h2,
    .skls-sd-journal-copy p {
        white-space: normal;
    }

    .skls-sd-journal-links,
    .skls-sd-journal-links a {
        width: 100%;
    }

    .skls-sd-article-header {
        padding: 24px 20px 22px;
    }

    .skls-sd-page .skls-sd-article-header h1 {
        font-size: 28px !important;
        line-height: 1.24;
        letter-spacing: -.012em;
    }

    .skls-sd-breadcrumbs {
        margin-bottom: 18px;
    }

    .skls-sd-action-row {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .skls-sd-action {
        width: 100%;
    }

    .skls-sd-section-tabs {
        padding-right: 12px;
        padding-left: 12px;
    }

    .skls-sd-section-tabs-label {
        display: none;
    }

    .skls-sd-paper {
        padding: 27px 20px 36px;
    }

    .skls-sd-page .skls-sd-section > h2,
    .skls-sd-page .skls-sd-keywords > h2,
    .skls-sd-page .skls-sd-section-title-row h2 {
        font-size: 27px;
    }

    .skls-sd-abstract-text,
    .skls-sd-fulltext-content {
        font-size: 17px;
        line-height: 1.75;
    }

    .skls-sd-utility-rail {
        grid-template-columns: 1fr;
    }

    .skls-rendered-pdf iframe,
    .skls-rendered-pdf object {
        min-height: 510px;
    }
}



/* =========================================================
   INTERACTIVE INLINE CITATIONS AND RICH REFERENCES
   ========================================================= */

.skls-inline-citation-group {
    white-space: nowrap;
}

.skls-inline-citation {
    display: inline;
    padding: 0;
    margin: 0;
    color: var(--skls-sd-primary);
    font: inherit;
    font-weight: 600;
    line-height: inherit;
    vertical-align: baseline;
    background: transparent;
    border: 0;
    border-bottom: 1px dotted currentColor;
    cursor: pointer;
    transition: color .16s ease, background .16s ease;
}

.skls-inline-citation:hover,
.skls-inline-citation:focus-visible {
    color: var(--skls-sd-primary-dark);
    background: var(--skls-sd-primary-soft);
    outline: 2px solid rgba(15, 118, 110, .20);
    outline-offset: 2px;
}

.skls-sd-reference-list {
    padding: 0 !important;
    margin: 0 !important;
    list-style: none !important;
    counter-reset: none !important;
}

.skls-sd-reference-list > .skls-sd-reference-item {
    position: relative;
    display: grid;
    grid-template-columns: 45px minmax(0, 1fr);
    gap: 13px;
    padding: 0 0 22px !important;
    margin: 0 0 22px !important;
    color: #374553;
    font-family: var(--skls-sd-serif);
    font-size: 15px;
    line-height: 1.65;
    border-bottom: 1px solid var(--skls-sd-border-soft);
    counter-increment: none !important;
    scroll-margin-top: calc(var(--skls-sd-site-header-offset) + 90px);
    transition: background .2s ease, box-shadow .2s ease;
}

.skls-sd-reference-list > .skls-sd-reference-item::before {
    display: none !important;
    content: none !important;
}

.skls-sd-reference-list > .skls-sd-reference-item:last-child {
    padding-bottom: 0 !important;
    margin-bottom: 0 !important;
    border-bottom: 0;
}

.skls-sd-reference-item.is-highlighted {
    margin-right: -12px !important;
    margin-left: -12px !important;
    padding: 14px 12px 22px !important;
    background: #f0fdfa;
    border-radius: 8px;
    box-shadow: inset 4px 0 0 var(--skls-sd-primary);
}

.skls-sd-reference-number {
    align-self: start;
    width: 42px;
    padding: 2px 0;
    color: var(--skls-sd-primary);
    font-family: var(--skls-sd-sans);
    font-size: 13px;
    font-weight: 800;
    line-height: 1.45;
    text-align: left;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.skls-sd-reference-number:hover,
.skls-sd-reference-number:focus-visible {
    color: var(--skls-sd-primary-dark);
    text-decoration: underline;
    outline: 0;
}

.skls-sd-reference-content {
    min-width: 0;
}

.skls-sd-reference-authors {
    margin-bottom: 2px;
    color: #273340;
}

.skls-sd-reference-title {
    display: block;
    margin: 1px 0 3px !important;
    color: var(--skls-sd-navy) !important;
    font-family: var(--skls-sd-serif) !important;
    font-size: 15.5px !important;
    font-weight: 600 !important;
    line-height: 1.55;
    text-decoration: none !important;
}

a.skls-sd-reference-title:hover {
    color: var(--skls-sd-primary) !important;
    text-decoration: underline !important;
    text-underline-offset: 3px;
}

.skls-sd-reference-source,
.skls-sd-reference-fallback {
    color: #52606d;
}

.skls-sd-reference-links {
    display: flex;
    flex-wrap: wrap;
    gap: 5px 0;
    margin-top: 8px;
    font-family: var(--skls-sd-sans);
}

.skls-sd-reference-links a {
    display: inline-flex !important;
    align-items: center;
    gap: 5px;
    margin: 0 !important;
    color: var(--skls-sd-primary) !important;
    font-family: var(--skls-sd-sans) !important;
    font-size: 11.5px !important;
    font-weight: 700 !important;
    line-height: 1.4;
    text-decoration: none !important;
}

.skls-sd-reference-links a:not(:last-child)::after {
    margin: 0 8px;
    color: #a3adb7;
    content: "·";
}

.skls-sd-reference-links a:hover {
    text-decoration: underline !important;
}

.skls-sd-reference-links a.is-pdf {
    color: #b42318 !important;
}

/* =========================================================
   RIGHT-SIDE REFERENCE DRAWER
   ========================================================= */

html.skls-reference-drawer-open {
    overflow: hidden;
}

.skls-reference-drawer-backdrop {
    position: fixed;
    inset: var(--skls-sd-site-header-offset) 0 0;
    z-index: 1090;
    background: rgba(15, 23, 42, .30);
    opacity: 0;
    backdrop-filter: blur(2px);
    transition: opacity .22s ease;
}

.skls-reference-drawer-backdrop.is-open {
    opacity: 1;
}

.skls-reference-drawer {
    position: fixed;
    top: var(--skls-sd-site-header-offset);
    right: 0;
    bottom: 0;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    width: min(440px, calc(100vw - 24px));
    color: var(--skls-sd-text);
    font-family: var(--skls-sd-sans);
    background: #ffffff;
    border-left: 1px solid var(--skls-sd-border);
    box-shadow: -24px 0 70px rgba(15, 23, 42, .18);
    transform: translateX(102%);
    visibility: hidden;
    transition: transform .23s ease, visibility .23s ease;
}

.skls-reference-drawer.is-open {
    transform: translateX(0);
    visibility: visible;
}

.skls-reference-drawer-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 20px 21px 17px;
    background:
        radial-gradient(circle at 88% 10%, rgba(255, 255, 255, .13), transparent 24%),
        linear-gradient(125deg, var(--skls-sd-navy) 0%, var(--skls-sd-navy-2) 58%, var(--skls-sd-primary) 100%);
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.skls-reference-drawer-kicker {
    display: block;
    margin-bottom: 4px;
    color: rgba(255, 255, 255, .72);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.skls-reference-drawer-header h2 {
    margin: 0;
    color: #ffffff !important;
    font-family: var(--skls-sd-serif);
    font-size: 24px;
    font-weight: 700;
    line-height: 1.2;
}

.skls-reference-drawer-close {
    display: inline-grid;
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    place-items: center;
    color: #ffffff;
    font-size: 17px;
    background: rgba(255, 255, 255, .10);
    border: 1px solid rgba(255, 255, 255, .26);
    border-radius: 50%;
    cursor: pointer;
    transition: background .16s ease, transform .16s ease;
}

.skls-reference-drawer-close:hover,
.skls-reference-drawer-close:focus-visible {
    background: rgba(255, 255, 255, .20);
    transform: rotate(4deg);
    outline: 2px solid rgba(255, 255, 255, .45);
    outline-offset: 2px;
}

.skls-reference-drawer-body {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: #f6f8f9;
}

.skls-reference-preview-card {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
    padding: 18px;
    margin-bottom: 14px;
    background: #ffffff;
    border: 1px solid var(--skls-sd-border);
    border-radius: 10px;
    box-shadow: var(--skls-sd-shadow-soft);
}

.skls-reference-preview-card:last-child {
    margin-bottom: 0;
}

.skls-reference-preview-number {
    color: var(--skls-sd-primary);
    font-size: 13px;
    font-weight: 800;
}

.skls-reference-preview-content {
    min-width: 0;
}

.skls-reference-preview-authors {
    margin-bottom: 5px;
    color: #384657;
    font-family: var(--skls-sd-serif);
    font-size: 14px;
    line-height: 1.55;
}

.skls-reference-preview-title {
    display: block;
    margin-bottom: 6px;
    color: var(--skls-sd-navy);
    font-family: var(--skls-sd-serif);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
    text-decoration: none;
}

a.skls-reference-preview-title:hover {
    color: var(--skls-sd-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.skls-reference-preview-source,
.skls-reference-preview-fallback {
    color: #596675;
    font-family: var(--skls-sd-serif);
    font-size: 13.5px;
    line-height: 1.6;
}

.skls-reference-preview-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.skls-reference-preview-links a,
.skls-reference-preview-jump {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 6px 9px;
    color: var(--skls-sd-primary);
    font-size: 11px;
    font-weight: 800;
    line-height: 1.25;
    text-decoration: none;
    background: var(--skls-sd-primary-soft);
    border: 1px solid #c9e7e2;
    border-radius: 5px;
}

.skls-reference-preview-links a:hover,
.skls-reference-preview-jump:hover {
    color: #ffffff;
    background: var(--skls-sd-primary);
    border-color: var(--skls-sd-primary);
}

.skls-reference-preview-links a.is-pdf {
    color: #b42318;
    background: #fff5f4;
    border-color: #f7c7c3;
}

.skls-reference-preview-links a.is-pdf:hover {
    color: #ffffff;
    background: #b42318;
    border-color: #b42318;
}

.skls-reference-preview-jump {
    margin-top: 14px;
    color: #475467;
    background: #ffffff;
    border-color: #cbd5df;
}

@media (max-width: 680px) {
    .skls-reference-drawer-backdrop {
        inset: 0;
    }

    .skls-reference-drawer {
        top: 0;
        width: 100%;
        max-width: none;
    }

    .skls-reference-drawer-header {
        padding: 17px 18px 15px;
    }

    .skls-reference-drawer-body {
        padding: 14px;
    }

    .skls-reference-preview-card {
        grid-template-columns: 36px minmax(0, 1fr);
        padding: 15px;
    }

    .skls-sd-reference-list > .skls-sd-reference-item {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 9px;
    }

    .skls-sd-reference-number {
        width: 36px;
    }
}

@media print {
    .skls-reference-drawer,
    .skls-reference-drawer-backdrop {
        display: none !important;
    }

    .skls-inline-citation {
        color: #000000;
        border-bottom: 0;
    }

    .skls-sd-reference-number {
        color: #000000;
    }
}


@media print {
    .skls-sd-page {
        padding: 0;
        background: #ffffff;
    }

    .skls-sd-container {
        width: 100%;
        margin: 0;
    }

    .skls-sd-journal-links,
    .skls-sd-action-row,
    .skls-sd-section-tabs,
    .skls-sd-outline-rail,
    .skls-sd-utility-rail {
        display: none !important;
    }

    .skls-sd-journal-bar {
        min-height: auto;
        color: #000000 !important;
        background: #ffffff !important;
        border: 0;
        border-bottom: 2px solid #000000;
        border-radius: 0;
        box-shadow: none;
    }

    .skls-sd-journal-bar .skls-sd-journal-brand,
    .skls-sd-journal-bar .skls-sd-journal-copy,
    .skls-sd-journal-bar .skls-sd-journal-copy > span,
    .skls-sd-journal-bar .skls-sd-journal-copy h2,
    .skls-sd-journal-bar .skls-sd-journal-copy p {
        color: #000000 !important;
    }

    .skls-sd-layout {
        display: block;
    }

    .skls-sd-article-header,
    .skls-sd-paper {
        padding-right: 0;
        padding-left: 0;
        border: 0;
        box-shadow: none;
    }
}


/* =========================================================
   FINAL ARTICLE TITLE SIZE SAFETY OVERRIDE
   Keeps the article title professional and prevents global h1 rules from enlarging it.
   ========================================================= */
.skls-sd-page .skls-sd-article-header h1 {
    font-size: clamp(30px, 3vw, 42px) !important;
    line-height: 1.20 !important;
    letter-spacing: -.018em !important;
}

@media (max-width: 680px) {
    .skls-sd-page .skls-sd-article-header h1 {
        font-size: 28px !important;
        line-height: 1.24 !important;
        letter-spacing: -.012em !important;
    }
}