/* Sources use a quiet index, then one consistent reading column. */
:is(#references-modal, #source-reader-modal) {
    padding: 1.5rem 1rem;
}

:is(#references-modal, #source-reader-modal) .modal-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    margin: 0;
    max-width: 50rem;
    max-height: calc(100dvh - 3rem);
    overflow: clip;
}

:is(#references-modal, #source-reader-modal) .modal-header {
    flex: 0 0 auto;
    align-items: flex-start;
    padding: 1.5rem 2rem 1.125rem;
    border-bottom: 1px solid #dedede;
}

:is(#references-modal, #source-reader-modal) .modal-header h3 {
    font-size: 2rem;
}

:is(#references-modal, #source-reader-modal) .reference-modal-heading > p {
    font-size: 0.875rem;
    line-height: 1.5;
    color: #666;
}

:is(#references-modal, #source-reader-modal) .modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 2.75rem;
    width: 2.75rem;
    height: 2.75rem;
    margin: -0.5rem -0.625rem 0 0.5rem;
    color: #666;
}

:is(#references-modal, #source-reader-modal) .modal-body {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    padding: 0 2rem 1.25rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: #aaa #fff;
}

:is(#references-modal, #source-reader-modal) .modal-body::-webkit-scrollbar {
    width: 0.375rem;
}

:is(#references-modal, #source-reader-modal) .modal-body::-webkit-scrollbar-thumb {
    background: #aaa;
    border-radius: 0.1875rem;
}

:is(#references-modal, #source-reader-modal) .reference-sections {
    display: block;
}

:is(#references-modal, #source-reader-modal) .source-entry {
    min-width: 0;
    border-top: 1px solid #dedede;
}

:is(#references-modal, #source-reader-modal) .source-entry:first-child {
    border-top: 0;
}

:is(#references-modal, #source-reader-modal) summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    list-style: none;
    cursor: pointer;
    color: var(--text-primary);
}

:is(#references-modal, #source-reader-modal) summary::-webkit-details-marker {
    display: none;
}

:is(#references-modal, #source-reader-modal) .source-entry-summary {
    padding: 1.125rem 0;
}

:is(#references-modal, #source-reader-modal) .source-entry-label {
    display: flex;
    flex-direction: column;
    min-width: 0;
    gap: 0.375rem;
    margin: 0;
    font: inherit;
    text-transform: none;
    letter-spacing: 0;
}

:is(#references-modal, #source-reader-modal) .source-entry-title {
    font: italic 500 1.5rem/1.2 'Cormorant Garamond', var(--font-serif);
    text-wrap: balance;
}

:is(#references-modal, #source-reader-modal) .source-entry-meta {
    font: 400 0.8125rem/1.5 var(--font-sans);
    color: #666;
}

:is(#references-modal, #source-reader-modal) .source-chevron {
    flex: 0 0 1.25rem;
    width: 1.25rem;
    height: 1.25rem;
    color: #666;
}

:is(#references-modal, #source-reader-modal) details[open] > summary > .source-chevron {
    transform: rotate(180deg);
}

:is(#references-modal, #source-reader-modal) summary:hover .source-entry-title,
:is(#references-modal, #source-reader-modal) summary:hover .source-topic-title {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

:is(#references-modal, #source-reader-modal) summary:focus-visible,
:is(#references-modal, #source-reader-modal) .modal-close:focus-visible,
:is(#references-modal, #source-reader-modal) a:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 3px;
}

:is(#references-modal, #source-reader-modal) .source-entry-body {
    max-width: 70ch;
    padding: 0 0 1.5rem;
    font: 400 1rem/1.65 var(--font-sans);
    color: var(--text-primary);
}

:is(#references-modal, #source-reader-modal) .source-entry-body p {
    margin: 0;
    font: inherit;
    color: inherit;
    text-wrap: pretty;
}

:is(#references-modal, #source-reader-modal) .source-entry-body p + p {
    margin-top: 0.875rem;
}

:is(#references-modal, #source-reader-modal) .source-entry-body .source-citation {
    font: 400 1.125rem/1.65 var(--font-serif);
}

:is(#references-modal, #source-reader-modal) .source-entry-body .reference-scope {
    color: #555;
    font-size: 1rem;
}

:is(#references-modal, #source-reader-modal) .source-part + .source-part {
    margin-top: 1.5rem;
}

:is(#references-modal, #source-reader-modal) .source-part h5,
:is(#references-modal, #source-reader-modal) .source-part h6 {
    margin: 0 0 0.5rem;
    font: 500 1.25rem/1.3 var(--font-serif);
    color: var(--text-primary);
}

:is(#references-modal, #source-reader-modal) .source-topic {
    border-top: 1px solid #dedede;
    margin-top: 0;
}

:is(#references-modal, #source-reader-modal) .source-entry-body > .source-part + .source-topic {
    margin-top: 1.25rem;
}

:is(#references-modal, #source-reader-modal) .source-topic > summary {
    min-height: 3.375rem;
    padding: 0.875rem 0;
    font: 500 0.9375rem/1.45 var(--font-sans);
}

:is(#references-modal, #source-reader-modal) .source-topic-title {
    margin: 0;
    font: inherit;
    text-transform: none;
    letter-spacing: 0;
}

:is(#references-modal, #source-reader-modal) .source-topic > summary .source-chevron {
    flex-basis: 1rem;
    width: 1rem;
    height: 1rem;
}

:is(#references-modal, #source-reader-modal) .source-topic-body {
    padding: 0.125rem 0 1.5rem;
}

:is(#references-modal, #source-reader-modal) .source-topic-body ul,
:is(#references-modal, #source-reader-modal) .source-topic-body ol {
    margin: 1rem 0;
    padding-left: 1.375rem;
}

:is(#references-modal, #source-reader-modal) .source-topic-body li + li {
    margin-top: 0.5rem;
}

:is(#references-modal, #source-reader-modal) .source-entry-body a {
    word-break: normal;
    overflow-wrap: anywhere;
    text-decoration-color: #aaa;
    text-underline-offset: 0.2em;
}

:is(#references-modal, #source-reader-modal) .source-entry-body code {
    font-size: 0.875em;
    overflow-wrap: anywhere;
}

:is(#references-modal, #source-reader-modal) .reference-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    margin: 0;
    font: 400 0.9375rem/1.6 var(--font-sans);
}

:is(#references-modal, #source-reader-modal) .reference-links + .reference-links {
    margin-top: 0.5rem;
}

:is(#references-modal, #source-reader-modal) .reference-links a {
    padding-block: 0.25rem;
}

:is(#references-modal, #source-reader-modal) .nkua-table {
    width: 100%;
    table-layout: fixed;
    margin-top: 1rem;
    font: 400 0.9375rem/1.6 var(--font-sans);
}

:is(#references-modal, #source-reader-modal) .nkua-table th,
:is(#references-modal, #source-reader-modal) .nkua-table td {
    padding: 0.75rem;
    vertical-align: top;
    border-color: #d2d2d2;
    overflow-wrap: break-word;
}

:is(#references-modal, #source-reader-modal) .nkua-table thead th {
    background: #f6f6f5;
    font-size: 0.6875rem;
    line-height: 1.45;
    color: #555;
}

:is(#references-modal, #source-reader-modal) .nkua-table thead th:first-child {
    width: 34%;
}

:is(#references-modal, #source-reader-modal) .nkua-table th[scope="row"] {
    background: transparent;
    font: 500 0.9375rem/1.6 var(--font-sans);
    color: var(--text-primary);
    text-transform: none;
    letter-spacing: 0;
}

:is(#references-modal, #source-reader-modal) .nkua-cite {
    margin-left: 0.15em;
    white-space: nowrap;
    line-height: 0;
}

:is(#references-modal, #source-reader-modal) .nkua-cite a {
    text-decoration: none;
    overflow-wrap: normal;
}

:is(#references-modal, #source-reader-modal) .nkua-cite a:hover {
    text-decoration: underline;
}

:is(#references-modal, #source-reader-modal) .nkua-study-figures .source-figure-disclosure:first-of-type {
    margin-top: 1rem;
}

:is(#references-modal, #source-reader-modal) .source-figure-disclosure > summary {
    font-weight: 400;
}

:is(#references-modal, #source-reader-modal) .nkua-figure {
    margin: 0;
}

:is(#references-modal, #source-reader-modal) .nkua-figure > a,
:is(#references-modal, #source-reader-modal) .nkua-figure img {
    display: block;
}

:is(#references-modal, #source-reader-modal) .nkua-figure img {
    width: 100%;
    height: auto;
}

:is(#references-modal, #source-reader-modal) .nkua-figure figcaption,
:is(#references-modal, #source-reader-modal) .source-entry-body .nkua-figure-credit {
    margin-top: 0.75rem;
    font: 400 0.8125rem/1.6 var(--font-sans);
    color: #555;
}

:is(#references-modal, #source-reader-modal) .nkua-reference-list ol {
    margin: 0;
    padding-left: 1.75rem;
    font-size: 0.9375rem;
}

:is(#references-modal, #source-reader-modal) .nkua-reference-list li {
    padding: 0.75rem 0 0.75rem 0.25rem;
    border-top: 1px solid #e5e5e5;
    overflow-wrap: anywhere;
    scroll-margin-block: 1rem;
}

:is(#references-modal, #source-reader-modal) .nkua-reference-list li:first-child {
    border-top: 0;
    padding-top: 0;
}

:is(#references-modal, #source-reader-modal) .nkua-reference-list li + li {
    margin-top: 0;
}

:is(#references-modal, #source-reader-modal) .nkua-reference-list li::marker {
    color: #666;
    font-variant-numeric: tabular-nums;
}

:is(#references-modal, #source-reader-modal) .nkua-reference-list li:target {
    outline: 1px solid #aaa;
    outline-offset: 0.25rem;
}

:is(#references-modal, #source-reader-modal) ::selection {
    background: #dededb;
    color: #111;
}

@media (max-width: 600px) {
    :is(#references-modal, #source-reader-modal) {
        padding: 1rem;
    }
    :is(#references-modal, #source-reader-modal) .modal-content {
        max-height: calc(100dvh - 2rem);
    }
    :is(#references-modal, #source-reader-modal) .modal-header {
        padding: 1.25rem 1.25rem 1rem;
    }
    :is(#references-modal, #source-reader-modal) .modal-header h3 {
        font-size: 1.75rem;
    }
    :is(#references-modal, #source-reader-modal) .modal-body {
        padding: 0 1.25rem 1rem;
    }
    :is(#references-modal, #source-reader-modal) .source-entry-title {
        font-size: 1.375rem;
    }
    :is(#references-modal, #source-reader-modal) .source-entry-body .source-citation {
        font-size: 1.0625rem;
    }
    :is(#references-modal, #source-reader-modal) .nkua-table th,
    :is(#references-modal, #source-reader-modal) .nkua-table td {
        padding: 0.5rem;
    }
    :is(#references-modal, #source-reader-modal) .nkua-table thead th:first-child {
        width: 38%;
    }
}

/* Each source has its own reader dialog with a persistent section list. */
#references-modal .source-entry-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    padding: 1.125rem 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: var(--text-primary);
    text-align: left;
    cursor: pointer;
}

#references-modal .source-entry-summary:hover .source-entry-title {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.2em;
}

#references-modal .source-entry-summary:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 3px;
}

#source-reader-modal .source-reader-shell {
    max-width: 68rem;
    height: min(52rem, calc(100dvh - 3rem));
}

#source-reader-modal .reference-modal-heading {
    max-width: none;
}

#source-reader-modal .source-reader-back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin: 0 0 0.75rem;
    padding: 0.125rem 0;
    border: 0;
    background: transparent;
    color: #666;
    font: 400 0.875rem/1.5 var(--font-sans);
    cursor: pointer;
}

#source-reader-modal .source-reader-back svg {
    width: 1rem;
    height: 1rem;
}

#source-reader-modal .source-reader-back:hover {
    color: var(--text-primary);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

#source-reader-modal .source-reader-layout {
    display: grid;
    grid-template-columns: 14rem minmax(0, 1fr);
    flex: 1 1 auto;
    min-height: 0;
    overflow: clip;
}

#source-reader-sidebar {
    overflow-y: auto;
    padding: 1.125rem 0.75rem;
    border-right: 1px solid #dedede;
    scrollbar-width: thin;
    scrollbar-color: #aaa #fff;
}

#source-reader-sidebar button {
    display: block;
    width: 100%;
    margin: 0 0 0.25rem;
    padding: 0.75rem;
    border: 0;
    border-radius: 0;
    background: transparent;
    color: #555;
    font: 400 0.9375rem/1.45 var(--font-sans);
    text-align: left;
    cursor: pointer;
}

#source-reader-sidebar button:hover {
    background: #f7f7f5;
    color: var(--text-primary);
}

#source-reader-sidebar button.active {
    background: #efefec;
    color: var(--text-primary);
    font-weight: 500;
}

#source-reader-modal button:focus-visible {
    outline: 2px solid var(--text-primary);
    outline-offset: 2px;
}

#source-reader-content {
    min-width: 0;
    min-height: 0;
    padding: 1.5rem 2rem 2rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: #aaa #fff;
}

#source-reader-modal .source-reader-panel {
    max-width: 70ch;
    padding: 0;
}

#source-reader-modal .source-reader-section-title {
    margin: 0 0 1.25rem;
    font: 500 1.5rem/1.25 var(--font-serif);
    color: var(--text-primary);
    text-transform: none;
    letter-spacing: 0;
}

#source-reader-modal .source-reader-panel > ul,
#source-reader-modal .source-reader-panel > ol {
    margin: 1rem 0;
    padding-left: 1.375rem;
}

#source-reader-modal .source-reader-panel > ul > li + li,
#source-reader-modal .source-reader-panel > ol > li + li {
    margin-top: 0.5rem;
}

#source-reader-modal .source-reader-panel > .source-part {
    margin-top: 1.5rem;
}

#source-reader-modal .source-reader-panel > ol:has(#nkua-ref-1) {
    padding-left: 1.75rem;
    font-size: 0.9375rem;
}

#source-reader-modal [id^="nkua-ref-"] {
    padding: 0.75rem 0 0.75rem 0.25rem;
    border-top: 1px solid #e5e5e5;
    scroll-margin-block: 1rem;
}

#source-reader-modal [id^="nkua-ref-"]:first-child {
    border-top: 0;
}

#source-reader-modal [id^="nkua-ref-"]::marker {
    color: #666;
    font-variant-numeric: tabular-nums;
}

#source-reader-modal .source-document[hidden],
#source-reader-modal .source-reader-panel[hidden] {
    display: none;
}

@media (max-width: 700px) {
    #source-reader-modal .source-reader-shell {
        height: calc(100dvh - 2rem);
    }
    #source-reader-modal .source-reader-layout {
        display: flex;
        flex-direction: column;
    }
    #source-reader-sidebar {
        display: flex;
        flex: 0 0 auto;
        gap: 0.375rem;
        padding: 0.625rem 1rem;
        border-right: 0;
        border-bottom: 1px solid #dedede;
        overflow-x: auto;
        overflow-y: hidden;
    }
    #source-reader-sidebar button {
        flex: 0 0 auto;
        width: auto;
        margin: 0;
        padding: 0.75rem;
        white-space: nowrap;
    }
    #source-reader-content {
        flex: 1 1 auto;
        padding: 1.25rem;
    }
}