/* Shared brand assets, compact tool navigation, and help/privacy surfaces. */
.brand.site-brand { display: inline-flex; align-items: center; flex: none; position: relative; }
.brand.site-brand img.brand-logo { width: 190px; height: auto; aspect-ratio: 3 / 1; object-fit: contain; }
.brand.site-brand .brand-dark { display: none; filter: brightness(0) invert(1); }
.brand.site-brand img.brand-icon { position: absolute; left: 0; top: 0; filter: none; clip-path: inset(0 74% 0 0); }
:root[data-theme='dark'] .brand.site-brand .brand-light { display: none; }
:root[data-theme='dark'] .brand.site-brand .brand-dark { display: block; }
.site-footer-links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; width: 100%; padding-top: 16px; }
.site-footer-links a { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; text-underline-offset: 4px; }
.preferences-hint { font-size: 14px; }
.analytics-option { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--border); }
.analytics-option label, .privacy-analytics label { display: flex; align-items: center; gap: 9px; font-size: 14px; cursor: pointer; }
.analytics-option input, .privacy-analytics input { width: 18px; height: 18px; accent-color: var(--primary); }
.analytics-option p { margin: 8px 0 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.example-action { margin-top: 12px; }
.example-action p { font-size: 14px; color: var(--muted); margin-bottom: 0; }
.example-action button, .text-button { min-height: 44px; padding: 8px 0; border: 0; background: none; color: var(--primary); text-decoration: underline; text-underline-offset: 4px; font: 600 14px/1.5 var(--font); cursor: pointer; }
.example-document-notice { padding: 16px 20px; margin-top: 20px; background: var(--primary-soft); color: var(--heading); font-size: 14px; border-radius: 10px; }
.mobile-workspace-tabs, .mobile-add-source { display: none; }
.doi-import { margin-bottom: 24px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.doi-import summary { min-height: 44px; padding-block: 10px; cursor: pointer; color: var(--primary); font-size: 15px; font-weight: 650; }
.doi-import[open] summary { margin-bottom: 16px; }
.doi-import .cite-field { margin-bottom: 8px; }
.doi-query-row { display: flex; align-items: stretch; gap: 10px; margin-bottom: 12px; }
.doi-query-row input { min-width: 0; width: 100%; min-height: 46px; border: 1px solid var(--border-strong); border-radius: 8px; padding: 10px 12px; background: var(--surface); color: var(--text); font: 16px/1.5 var(--font); }
.doi-query-row .btn { flex: none; }
.doi-status { font-size: 14px; line-height: 1.7; color: var(--primary); margin: 12px 0 0; }
.doi-status[data-error='true'] { color: var(--err); }
.doi-preview { margin-top: 16px; padding: 18px; background: var(--surface-2); border-radius: 10px; }
.doi-preview h3 { font-size: 16px; overflow-wrap: anywhere; line-height: 1.6; }
.doi-preview p { font-size: 14px; overflow-wrap: anywhere; line-height: 1.7; }
.read-page { max-width: 900px; padding-top: 48px; padding-bottom: 72px; }
.read-page h1 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.15; letter-spacing: -.03em; margin-bottom: 22px; }
.read-page > p { font-size: 16px; line-height: 1.8; max-width: 70ch; }
.read-page section { margin-top: 36px; padding-top: 28px; border-top: 1px solid var(--border); }
.read-page h2 { font-size: 22px; margin-bottom: 16px; }
.read-page section p, .read-page li { font-size: 16px; line-height: 1.85; max-width: 70ch; }
.read-page summary { cursor: pointer; padding-block: 12px; font-size: 16px; color: var(--heading); }
.read-page label { font-size: 15px; color: var(--heading); }
.read-page input:not([type='checkbox']), .read-page select, .read-page textarea { width: 100%; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface); color: var(--text); padding: 12px; font: 16px/1.6 var(--font); }
.help-field { display: grid; gap: 8px; margin-bottom: 22px; }
.help-field textarea { resize: vertical; min-height: 150px; }
.help-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.read-page .btn { font-size: 14px; min-height: 46px; box-shadow: none; }
.help-warning { background: var(--accent-soft); color: var(--accent-ink); padding: 18px 22px; border-radius: 10px; }
.report-preview { padding: 22px; background: var(--surface); border-radius: 12px; font: 15px/1.8 var(--font); white-space: pre-wrap; overflow-wrap: anywhere; }
.help-error { color: var(--err); font-size: 14px; }
.privacy-analytics { margin: 22px 0; }
.privacy-status { color: var(--primary); font-size: 14px; min-height: 26px; margin-top: 12px; }
.read-page .check-label { display: flex; gap: 10px; align-items: flex-start; padding-block: 14px; }
.read-page .check-label input { width: 18px; height: 18px; flex: none; margin-top: 4px; }
/* Keep the existing document comparison readable at real screen sizes. */
:root { --shadow-lg: 0 18px 40px -24px #0003; }
:root[data-theme='dark'] { --shadow-lg: 0 18px 40px -24px #000c; }
.btn-primary { box-shadow: none; }
.eyebrow-pill, .dz-hint, .dz-foot, .trust, .feature p, .how p, .privacy p { font-size: 14px; }
.preview-toolbar, .preview-filename, .preview-local, .preview-tab, .comparison-heading, .comparison-detail, .preview-bottom, .demo-note, .demo-page { font-size: 14px; }
.preview-toolbar, .preview-filename, .preview-local, .comparison-heading, .comparison-detail, .preview-bottom { color: #435648; }
.preview-tab { color: #435648; }
.steps-card { border-left-width: 1px; }
.info-alt { --muted: #52645a; }
:root[data-theme='dark'] .info-alt { --muted: #a4b9ac; }
.preview-tab { min-height: 44px; }
.preferences-close { width: 44px; height: 44px; }
.source-details summary { min-height: 44px; padding-block: 10px; }
.outline .txt { white-space: normal; overflow: visible; text-overflow: clip; overflow-wrap: anywhere; line-height: 1.6; }
.outline li { align-items: start; padding-block: 10px; }
.outline select { min-height: 44px; }
.format-summary { display: grid; gap: 6px; margin: 18px 0; padding: 16px; background: var(--primary-soft); border-radius: 10px; font-size: 14px; line-height: 1.7; color: var(--heading); }
.format-summary p { margin: 0; }
.format-details { margin-top: 8px; }
.format-details > summary { min-height: 46px; padding: 10px 0; font-size: 15px; color: var(--primary); font-weight: 650; cursor: pointer; }
.format-details[open] > summary { margin-bottom: 16px; }
.format-details > .margins, .format-details > .row-3, .format-details > .row-2 { margin-bottom: 16px; }
.source-requirements { font-size: 14px; color: var(--muted); line-height: 1.7; margin: 0 0 18px; }
.source-required { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.source-required .field-hint { font-size: 14px; }
.cite-field .source-required { color: var(--heading); }
.demo-note, .demo-page { color: #435648; }
.demo-note > span { font-size: 12px; }
.demo-table, .demo-caption { font-size: 14px; }
.how-num { color: var(--primary); }
.privacy { border: 1px solid var(--border); padding: 24px; }
:root[data-theme='dark'] .preview-toolbar, :root[data-theme='dark'] .preview-filename, :root[data-theme='dark'] .preview-local, :root[data-theme='dark'] .comparison-heading, :root[data-theme='dark'] .comparison-detail, :root[data-theme='dark'] .preview-bottom { color: var(--muted); }
:root[data-theme='dark'] .preview-tab { color: var(--muted); }
@media (max-width: 760px) {
  .bibliography-main { padding-top: 24px; }
  .bibliography-intro { margin-bottom: 16px; }
  .bibliography-intro h1 { font-size: 30px; }
  .bibliography-intro > p { margin-bottom: 12px; }
  .mobile-workspace-tabs { display: flex; gap: 8px; padding-bottom: 20px; scroll-margin-top: 150px; }
  .workspace-tab { flex: 1; min-height: 46px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 8px; font: 600 14px/1.5 var(--font); color: var(--heading); background: var(--surface); cursor: pointer; }
  .workspace-tab[aria-pressed='true'] { background: var(--primary-soft); color: var(--primary); border-color: var(--border-strong); }
  .workspace-tab #mobile-source-count { margin-left: 5px; }
  .citation-workspace[data-panel='editor'] .citation-results, .citation-workspace[data-panel='results'] .source-editor { display: none; }
  .citation-workspace .citation-results { border: 0; padding-top: 0; }
  .mobile-add-source { display: inline-flex; margin-bottom: 16px; }
  .cite-field { margin-bottom: 16px; }
  .citation-workspace h2 { margin-bottom: 16px; }
  .year-field { grid-template-columns: minmax(0, 1fr) auto; align-items: center; column-gap: 14px; }
  .year-field > label:first-child, .year-field .field-error { grid-column: 1 / -1; }
  .source-editor .cite-field textarea { min-height: 74px; }
  .doi-import { margin-bottom: 18px; padding-bottom: 12px; }
  .read-page { padding-top: 30px; }
  .outline li { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .outline select, .outline .tag-role { width: auto; max-width: 100%; justify-self: end; min-width: 136px; }
  .outline .lvl-h2 .txt { padding-left: 12px; }
  .outline .lvl-h3 .txt { padding-left: 24px; }
}
@media (max-width: 600px) {
  .topbar-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 10px; row-gap: 8px; }
  .topbar-inner > .site-brand { grid-column: 1; grid-row: 1; min-width: 0; }
  .topbar-inner .site-brand img.brand-logo { max-width: 100%; }
  .topbar-inner .settings-trigger { grid-column: 2; grid-row: 1; margin-left: 0; }
  .topbar-inner .product-nav { grid-column: 1 / -1; grid-row: 2; }
  .brand.site-brand img.brand-logo { width: 148px; }
  .doi-query-row { flex-wrap: wrap; }
  .doi-query-row .btn { width: 100%; }
  .read-page .help-actions .btn { width: 100%; }
}
@media (prefers-reduced-motion: reduce) { .workspace-tab { transition: none; } }