.ijpsc-atlas {
    --ijpsc-navy: #103a5d;
    --ijpsc-blue: #1f6d9b;
    --ijpsc-light-blue: #eaf3f8;
    --ijpsc-ink: #17212b;
    --ijpsc-muted: #5c6b78;
    --ijpsc-line: #d9e2e8;
    --ijpsc-paper: #ffffff;
    --ijpsc-bg: #f5f8fa;
    color: var(--ijpsc-ink);
    font-family: inherit;
    margin: 0 0 2rem;
}

/* WordPress editors and some themes can leave empty paragraph blocks directly
   before a shortcode. The script marks only those empty blocks for removal. */
.ijpsc-atlas-editor-spacer {
    display: none !important;
    height: 0 !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
}

/* The shortcode is frequently wrapped by wp-block-shortcode, entry-content or
   theme-specific containers. When JavaScript confirms that such a wrapper has
   no visible content besides the atlas, only its top spacing is collapsed. */
.ijpsc-atlas-content-shell {
    margin-top: 0 !important;
    padding-top: 0 !important;
    min-height: 0 !important;
}

.ijpsc-atlas-content-shell > .ijpsc-atlas:first-child,
.ijpsc-atlas-content-shell > .wp-block-shortcode:first-child > .ijpsc-atlas:first-child {
    margin-top: 0 !important;
}

/* Full width means 100% of the current WordPress content column.
   The journal theme's navigation columns and sidebars are not modified. */
.ijpsc-atlas--full-width {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

.ijpsc-atlas *,
.ijpsc-atlas *::before,
.ijpsc-atlas *::after {
    box-sizing: border-box;
}

.ijpsc-atlas button,
.ijpsc-atlas input,
.ijpsc-atlas select {
    font: inherit;
}

.ijpsc-atlas__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    padding: 0 0 1.35rem;
    border-bottom: 3px solid var(--ijpsc-navy);
}

.ijpsc-atlas__title {
    margin: 0;
    color: var(--ijpsc-navy);
    font-size: clamp(1.8rem, 3vw, 2.65rem);
    font-weight: 720;
    letter-spacing: -0.025em;
    line-height: 1.08;
}

.ijpsc-atlas__intro {
    max-width: 820px;
    margin: 0.65rem 0 0;
    color: var(--ijpsc-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.ijpsc-atlas__summary {
    flex: 0 0 auto;
    min-width: 96px;
    color: var(--ijpsc-navy);
    font-weight: 700;
    text-align: right;
}

.ijpsc-atlas__toolbar {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) auto auto auto;
    gap: 0.65rem;
    padding: 1rem;
    background: var(--ijpsc-bg);
    border: 1px solid var(--ijpsc-line);
    border-top: 0;
}

.ijpsc-atlas__search-wrap {
    position: relative;
    display: block;
}

.ijpsc-atlas__search-wrap svg {
    position: absolute;
    top: 50%;
    left: 0.8rem;
    width: 18px;
    height: 18px;
    transform: translateY(-50%);
    fill: none;
    stroke: var(--ijpsc-muted);
    stroke-width: 1.8;
    pointer-events: none;
}

.ijpsc-atlas__search,
.ijpsc-atlas__year,
.ijpsc-atlas__volume {
    min-height: 42px;
    border: 1px solid #bccbd5;
    border-radius: 3px;
    background: var(--ijpsc-paper);
    color: var(--ijpsc-ink);
}

.ijpsc-atlas__search {
    width: 100%;
    padding: 0.65rem 0.8rem 0.65rem 2.35rem;
}

.ijpsc-atlas__year,
.ijpsc-atlas__volume {
    min-width: 135px;
    padding: 0.55rem 2rem 0.55rem 0.7rem;
}

.ijpsc-atlas__search:focus,
.ijpsc-atlas__year:focus,
.ijpsc-atlas__volume:focus,
.ijpsc-atlas button:focus-visible,
.ijpsc-atlas a:focus-visible,
.ijpsc-atlas [tabindex="0"]:focus-visible {
    outline: 3px solid rgba(31, 109, 155, 0.3);
    outline-offset: 2px;
}

.ijpsc-atlas__reset {
    min-height: 42px;
    padding: 0.55rem 1rem;
    border: 1px solid var(--ijpsc-navy);
    border-radius: 3px;
    background: var(--ijpsc-paper);
    color: var(--ijpsc-navy);
    font-weight: 650;
    cursor: pointer;
}

.ijpsc-atlas__reset:hover:not(:disabled) {
    background: var(--ijpsc-navy);
    color: #fff;
}

.ijpsc-atlas__reset:disabled {
    opacity: 0.42;
    cursor: default;
}

.ijpsc-atlas__topic-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    overflow: visible;
    padding: 0.85rem 0 1rem;
}

.ijpsc-atlas__topic-tab {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    gap: 0.55rem;
    min-height: 38px;
    padding: 0.5rem 0.8rem;
    border: 1px solid var(--ijpsc-line);
    border-radius: 999px;
    background: var(--ijpsc-paper);
    color: var(--ijpsc-navy);
    font-size: 0.9rem;
    font-weight: 650;
    cursor: pointer;
}

.ijpsc-atlas__topic-tab:hover,
.ijpsc-atlas__topic-tab.is-active {
    border-color: var(--ijpsc-navy);
    background: var(--ijpsc-navy);
    color: #fff;
}

.ijpsc-atlas__topic-count {
    display: inline-grid;
    place-items: center;
    min-width: 22px;
    height: 22px;
    padding: 0 0.35rem;
    border-radius: 999px;
    background: var(--ijpsc-light-blue);
    color: var(--ijpsc-navy);
    font-size: 0.75rem;
    line-height: 1;
}

.ijpsc-atlas__topic-tab.is-active .ijpsc-atlas__topic-count,
.ijpsc-atlas__topic-tab:hover .ijpsc-atlas__topic-count {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
}

.ijpsc-atlas__workspace {
    position: relative;
    display: block;
    width: 100%;
    min-width: 0;
    min-height: 620px;
    border: 1px solid var(--ijpsc-line);
    background: var(--ijpsc-paper);
    overflow: hidden;
}

.ijpsc-atlas__graph-panel {
    position: relative;
    min-width: 0;
    width: 100%;
    border-right: 0;
    background:
        radial-gradient(circle at 50% 50%, rgba(31, 109, 155, 0.08), transparent 52%),
        linear-gradient(rgba(16, 58, 93, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 58, 93, 0.035) 1px, transparent 1px),
        #fbfdfe;
    background-size: auto, 30px 30px, 30px 30px, auto;
    overflow: hidden;
}

.ijpsc-atlas__graph {
    position: relative;
    width: 100%;
    max-width: 100%;
    min-height: 620px;
    overflow: hidden;
}

.ijpsc-atlas__graph svg {
    display: block;
    width: 100%;
    height: 100%;
    max-width: 100%;
    overflow: visible;
    user-select: none;
}

.ijpsc-atlas__edge {
    stroke: #91aabd;
    stroke-width: 1;
    stroke-opacity: 0.38;
}

.ijpsc-atlas__article-node {
    cursor: grab;
    touch-action: none;
}

.ijpsc-atlas__article-node.is-dragging {
    cursor: grabbing;
}

.ijpsc-atlas__article-node circle:first-child {
    fill: var(--ijpsc-blue);
    stroke: #fff;
    stroke-width: 2;
    transition: r 150ms ease, fill 150ms ease;
}

.ijpsc-atlas__article-node:hover circle:first-child,
.ijpsc-atlas__article-node:focus circle:first-child,
.ijpsc-atlas__article-node.is-selected circle:first-child {
    fill: #c34635;
}

.ijpsc-atlas__node-hit {
    fill: transparent;
    stroke: transparent;
}

.ijpsc-atlas__article-node.is-selected circle:first-child {
    stroke-width: 3;
}

.ijpsc-atlas__topic-node {
    cursor: grab;
    touch-action: none;
}

.ijpsc-atlas__topic-node.is-dragging {
    cursor: grabbing;
}

.ijpsc-atlas__topic-node > circle {
    fill: var(--ijpsc-navy);
    stroke: #fff;
    stroke-width: 3;
    transition: fill 150ms ease, transform 150ms ease;
}

.ijpsc-atlas__topic-node:hover > circle,
.ijpsc-atlas__topic-node:focus > circle,
.ijpsc-atlas__topic-node.is-selected > circle {
    fill: var(--ijpsc-blue);
}

.ijpsc-atlas__topic-label,
.ijpsc-atlas__topic-node-count {
    fill: #fff;
    pointer-events: none;
}

.ijpsc-atlas__topic-label {
    font-size: 10.5px;
    font-weight: 750;
    letter-spacing: -0.01em;
}

.ijpsc-atlas__topic-node-count {
    font-size: 9px;
    opacity: 0.76;
}

.ijpsc-atlas__tooltip {
    position: absolute;
    z-index: 4;
    width: min(270px, calc(100% - 20px));
    padding: 0.75rem 0.85rem;
    border: 1px solid rgba(16, 58, 93, 0.25);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 12px 30px rgba(16, 58, 93, 0.17);
    pointer-events: none;
}

.ijpsc-atlas__tooltip strong,
.ijpsc-atlas__tooltip span,
.ijpsc-atlas__tooltip small {
    display: block;
}

.ijpsc-atlas__tooltip strong {
    color: var(--ijpsc-navy);
    font-size: 0.9rem;
    line-height: 1.3;
}

.ijpsc-atlas__tooltip span {
    margin-top: 0.3rem;
    color: var(--ijpsc-ink);
    font-size: 0.78rem;
}

.ijpsc-atlas__tooltip small {
    margin-top: 0.35rem;
    color: var(--ijpsc-muted);
    font-size: 0.7rem;
}

.ijpsc-atlas__network-note {
    position: absolute;
    right: 1rem;
    bottom: 0.75rem;
    left: 1rem;
    z-index: 2;
    margin: 0;
    color: var(--ijpsc-muted);
    font-size: 0.75rem;
    text-align: center;
    pointer-events: none;
}

.ijpsc-atlas__details {
    position: absolute;
    z-index: 12;
    top: 0;
    right: 0;
    bottom: 0;
    width: clamp(360px, 32vw, 480px);
    max-width: calc(100% - 36px);
    min-width: 0;
    padding: 0;
    border-left: 1px solid var(--ijpsc-line);
    background: #fff;
    box-shadow: -18px 0 42px rgba(16, 58, 93, 0.18);
    overflow: auto;
    overscroll-behavior: contain;
    transform: translateX(calc(100% + 24px));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 220ms ease, opacity 180ms ease, visibility 0s linear 220ms;
}

.ijpsc-atlas__details.is-open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 220ms ease, opacity 180ms ease;
}

.ijpsc-atlas__details-tools {
    position: sticky;
    top: 0;
    z-index: 3;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 42px;
    align-items: center;
    gap: 0.65rem;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--ijpsc-line);
    background: rgba(255, 255, 255, 0.98);
}

.ijpsc-atlas__details-close {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 40px;
    margin: 0;
    padding: 0;
    border: 1px solid var(--ijpsc-navy);
    border-radius: 3px;
    background: var(--ijpsc-navy);
    color: #fff !important;
    font-size: 1.55rem;
    font-weight: 400;
    line-height: 1;
    cursor: pointer;
}

.ijpsc-atlas__details-close:hover,
.ijpsc-atlas__details-close:focus {
    background: var(--ijpsc-blue);
    border-color: var(--ijpsc-blue);
    color: #fff !important;
    outline: 3px solid rgba(31, 109, 155, 0.25);
    outline-offset: 2px;
}

.ijpsc-atlas__details-search-wrap {
    position: relative;
    display: block;
}

.ijpsc-atlas__details-search-wrap svg {
    position: absolute;
    top: 50%;
    left: 0.75rem;
    width: 17px;
    height: 17px;
    transform: translateY(-50%);
    fill: none;
    stroke: var(--ijpsc-muted);
    stroke-width: 1.8;
    pointer-events: none;
}

.ijpsc-atlas__details-search {
    width: 100%;
    min-height: 40px;
    padding: 0.6rem 0.75rem 0.6rem 2.25rem;
    border: 1px solid #bccbd5;
    border-radius: 3px;
    background: #fff;
    color: var(--ijpsc-ink);
}

.ijpsc-atlas__details-content {
    padding: 1.5rem 1.35rem 1.75rem;
}

.ijpsc-atlas__details-search:focus {
    outline: 3px solid rgba(31, 109, 155, 0.3);
    outline-offset: 2px;
}

.ijpsc-atlas__details-empty {
    display: grid;
    place-content: center;
    min-height: 420px;
    text-align: center;
}

.ijpsc-atlas__details-empty h3 {
    margin: 0 0 0.5rem;
    color: var(--ijpsc-navy);
}

.ijpsc-atlas__details-empty p {
    margin: 0;
    color: var(--ijpsc-muted);
}

.ijpsc-atlas__eyebrow {
    margin-bottom: 0.6rem;
    color: var(--ijpsc-blue);
    font-size: 0.76rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ijpsc-atlas__details-title {
    margin: 0;
    color: var(--ijpsc-navy);
    font-size: clamp(1.18rem, 1.55vw, 1.58rem);
    line-height: 1.28;
    overflow-wrap: anywhere;
    hyphens: auto;
}

.ijpsc-atlas__authors {
    margin: 0.65rem 0 0;
    color: var(--ijpsc-ink);
    font-weight: 650;
    overflow-wrap: anywhere;
}

.ijpsc-atlas__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 1rem 0;
}

.ijpsc-atlas__tag {
    padding: 0.35rem 0.55rem;
    border: 1px solid #c7d9e4;
    border-radius: 3px;
    background: var(--ijpsc-light-blue);
    color: var(--ijpsc-navy);
    font-size: 0.76rem;
    font-weight: 650;
    cursor: pointer;
}

.ijpsc-atlas__tag:hover {
    border-color: var(--ijpsc-navy);
}

.ijpsc-atlas__abstract {
    margin: 1rem 0 0;
    color: #31404c;
    font-size: 0.88rem;
    line-height: 1.7;
    overflow-wrap: anywhere;
    hyphens: auto;
}

.ijpsc-atlas__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.2rem;
}

.ijpsc-atlas__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--ijpsc-navy);
    border-radius: 3px;
    color: var(--ijpsc-navy);
    font-size: 0.8rem;
    font-weight: 700;
    text-decoration: none;
}

.ijpsc-atlas__button:hover {
    background: var(--ijpsc-light-blue);
    color: var(--ijpsc-navy);
}

.ijpsc-atlas__button--primary,
.ijpsc-atlas__button--primary:visited {
    border-color: var(--ijpsc-navy) !important;
    background: var(--ijpsc-navy) !important;
    color: #fff !important;
}

.ijpsc-atlas__button--primary:hover,
.ijpsc-atlas__button--primary:focus {
    border-color: var(--ijpsc-blue) !important;
    background: var(--ijpsc-blue) !important;
    color: #fff !important;
}

.ijpsc-atlas__doi {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.6rem;
    margin-top: 1rem;
    padding: 0.65rem 0.75rem;
    background: var(--ijpsc-bg);
    border-left: 3px solid var(--ijpsc-blue);
    font-size: 0.78rem;
}

.ijpsc-atlas__doi span {
    color: var(--ijpsc-muted);
    font-weight: 700;
}

.ijpsc-atlas__doi code {
    overflow-wrap: anywhere;
    color: var(--ijpsc-ink);
}

.ijpsc-atlas__related {
    margin-top: 1.5rem;
    padding-top: 1.2rem;
    border-top: 1px solid var(--ijpsc-line);
}

.ijpsc-atlas__related h4 {
    margin: 0 0 0.65rem;
    color: var(--ijpsc-navy);
    font-size: 0.95rem;
}

.ijpsc-atlas__related-item {
    display: block;
    width: 100%;
    padding: 0.7rem 0;
    border: 0;
    border-bottom: 1px solid #edf1f4;
    background: transparent;
    color: inherit;
    text-align: left;
    cursor: pointer;
}

.ijpsc-atlas__related-item:hover .ijpsc-atlas__related-title {
    color: var(--ijpsc-blue);
}

.ijpsc-atlas__related-title,
.ijpsc-atlas__related-meta {
    display: block;
}

.ijpsc-atlas__related-title {
    color: var(--ijpsc-navy);
    font-size: 0.84rem;
    font-weight: 700;
    line-height: 1.35;
}

.ijpsc-atlas__related-meta {
    margin-top: 0.25rem;
    color: var(--ijpsc-muted);
    font-size: 0.7rem;
    line-height: 1.35;
}

.ijpsc-atlas__list-section {
    margin-top: 1.4rem;
    border-top: 3px solid var(--ijpsc-navy);
}

.ijpsc-atlas__list-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.ijpsc-atlas__list-heading h3 {
    margin: 0;
    color: var(--ijpsc-navy);
    font-size: 1.35rem;
}

.ijpsc-atlas__list-count {
    color: var(--ijpsc-muted);
    font-size: 0.85rem;
    font-weight: 650;
}

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

.ijpsc-atlas__article-card {
    position: relative;
    padding: 1.1rem;
    border: 1px solid var(--ijpsc-line);
    border-top: 4px solid #9fb6c5;
    background: #fff;
    transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.ijpsc-atlas__article-card:hover,
.ijpsc-atlas__article-card.is-selected {
    border-color: #8cb1c7;
    border-top-color: var(--ijpsc-blue);
    box-shadow: 0 8px 24px rgba(16, 58, 93, 0.09);
    transform: translateY(-2px);
}

.ijpsc-atlas__article-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.7rem;
    margin-bottom: 0.65rem;
}

.ijpsc-atlas__article-year {
    flex: 0 0 auto;
    color: var(--ijpsc-blue);
    font-size: 0.75rem;
    font-weight: 800;
}

.ijpsc-atlas__article-topics {
    color: var(--ijpsc-muted);
    font-size: 0.68rem;
    line-height: 1.3;
    text-align: right;
}

.ijpsc-atlas__article-card-title {
    margin: 0;
    font-size: 1rem;
    line-height: 1.35;
}

.ijpsc-atlas__article-card-title a {
    color: var(--ijpsc-navy);
    text-decoration: none;
}

.ijpsc-atlas__article-card-title a:hover {
    color: var(--ijpsc-blue);
    text-decoration: underline;
}

.ijpsc-atlas__article-authors,
.ijpsc-atlas__article-meta {
    margin: 0.55rem 0 0;
}

.ijpsc-atlas__article-authors {
    color: #354450;
    font-size: 0.78rem;
    font-weight: 650;
}

.ijpsc-atlas__article-meta {
    color: var(--ijpsc-muted);
    font-size: 0.7rem;
    line-height: 1.4;
}

.ijpsc-atlas__inspect {
    margin-top: 0.85rem;
    padding: 0;
    border: 0;
    border-bottom: 1px solid currentColor;
    background: transparent;
    color: var(--ijpsc-blue);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
}

.ijpsc-atlas__graph-empty,
.ijpsc-atlas__no-results,
.ijpsc-atlas__empty-admin {
    color: var(--ijpsc-muted);
}

.ijpsc-atlas__graph-empty {
    display: grid;
    place-content: center;
    height: 100%;
    padding: 2rem;
    text-align: center;
}

.ijpsc-atlas__no-results {
    grid-column: 1 / -1;
    padding: 2rem;
    border: 1px solid var(--ijpsc-line);
    background: var(--ijpsc-bg);
    text-align: center;
}

.ijpsc-atlas__empty-admin {
    display: grid;
    gap: 0.35rem;
    padding: 1.2rem;
    border: 1px solid #d7b65f;
    background: #fff9e8;
}

.ijpsc-atlas .screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 1100px) {
    .ijpsc-atlas__article-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .ijpsc-atlas__header {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.75rem;
    }

    .ijpsc-atlas__summary {
        text-align: left;
    }

    .ijpsc-atlas__toolbar {
        grid-template-columns: 1fr 1fr;
    }

    .ijpsc-atlas__search-wrap {
        grid-column: 1 / -1;
    }

    .ijpsc-atlas__graph-panel {
        border-right: 0;
    }

    .ijpsc-atlas__graph {
        height: 520px !important;
    }

    .ijpsc-atlas__details {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        max-width: 100%;
        max-height: none;
        border-left: 0;
    }

    .ijpsc-atlas__details-tools {
        position: sticky;
    }
}


@media (max-width: 700px) {
    .ijpsc-atlas__topic-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: thin;
    }
}

@media (max-width: 580px) {
    .ijpsc-atlas__toolbar {
        grid-template-columns: 1fr;
    }

    .ijpsc-atlas__search-wrap {
        grid-column: auto;
    }

    .ijpsc-atlas__year,
    .ijpsc-atlas__volume {
        width: 100%;
    }

    .ijpsc-atlas__graph {
        height: 470px !important;
    }

    .ijpsc-atlas__details-content {
        padding: 1.1rem;
    }

    .ijpsc-atlas__details-tools {
        padding: 0.9rem 1.1rem;
    }

    .ijpsc-atlas__article-list {
        grid-template-columns: 1fr;
    }

    .ijpsc-atlas__article-card-top {
        display: block;
    }

    .ijpsc-atlas__article-topics {
        display: block;
        margin-top: 0.3rem;
        text-align: left;
    }
}