/* Shared app shell primitives for tool UIs (C-NRSBTool, DIF-AccumulationTool).
   Keep app-specific layouts and components in local stylesheets. */

@import url('./typography-primitives.css');

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
}

body {
  font-family: var(--font-sans);
  line-height: var(--txt-lh-body);
  color: var(--clr-text);
  background: var(--clr-bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* FOUC guard: body hidden until i18n is applied on first load.
   The class is added synchronously in tool_head_bootstrap.html and removed
   inside applyLanguage() in page-shell-core.js after translations run.
   The transition is defined here (pre-removal state) so the fade-in fires
   correctly when the class is removed. */
html.i18n-pending body {
  opacity: 0;
  transition: opacity .12s ease;
}

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-h, 64px);
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

header h1,
.shared-page-title {
  font-size: var(--txt-xl);
  font-weight: var(--txt-w-extrabold);
  letter-spacing: var(--txt-tracking-normal);
  color: var(--txt-accent, var(--clr-primary));
}

.subtitle {
  font-size: var(--txt-sm);
  color: var(--txt-muted, var(--clr-muted));
  margin-top: 3px;
  line-height: var(--txt-lh-tight);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: .55rem;
}

.content-shell {
  max-width: 1400px;
  margin: 1rem auto;
  padding: 0 1.25rem;
}

.intro-panel,
.panel,
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.intro-panel {
  padding: .85rem 1rem;
  margin-bottom: 1rem;
}

.intro-panel h2,
.shared-intro-title {
  font-size: var(--txt-base);
  color: var(--txt-accent, var(--clr-primary));
  margin-bottom: .35rem;
}

.intro-panel p {
  color: var(--txt-muted, var(--clr-muted));
  font-size: var(--txt-md);
  line-height: var(--txt-lh-relaxed);
}

.panel-header {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: baseline;
  gap: .75rem;
}

.panel-header h2,
.shared-panel-title {
  font-size: var(--txt-lg);
  font-weight: var(--txt-w-bold);
  color: var(--txt-accent, var(--clr-primary));
}

.hint {
  font-size: var(--txt-xs);
  color: var(--txt-muted, var(--clr-muted));
}

.panel-block {
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--clr-border);
}

.panel-block:last-child {
  border-bottom: none;
}

label {
  display: block;
  font-size: var(--txt-sm);
  color: var(--txt-muted, var(--clr-muted));
  margin-bottom: .28rem;
}

input[type='number'],
input[type='text'],
textarea,
select {
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  background: var(--clr-surface);
  color: var(--clr-text);
  font-family: inherit;
}

input[type='checkbox'] {
  accent-color: var(--clr-primary);
}

/* Button contract (shared):
  L1 `.btn-primary`   -> primary flow action (run/simulate/apply)
  L2 `.btn-secondary` -> strong secondary action (export/save)
  L3 `.btn-ghost`     -> subtle support/toggle action
  L4 `.btn-outline`   -> outlined utility action (open/close/expand)
  L5 `.btn-stepper`   -> compact +/- control
  Intent variants:
  - `.btn-danger`         destructive primary action
  - `.btn-danger-outline` destructive outlined action
  Size/layout helpers:
  - `.btn-sm`             compact button size
  - `.btn-inline-action`  keep action fitted inside input rows */

.btn-primary,
.btn-secondary,
.btn-ghost,
.btn-outline,
.btn-danger,
.btn-danger-outline,
.btn-stepper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  min-height: 34px;
  padding: .42rem .7rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: var(--txt-md);
  font-weight: var(--txt-w-semibold);
  line-height: var(--txt-lh-none);
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s, transform .1s;
  white-space: nowrap;
}

.btn-primary {
  padding: .55rem 1.1rem;
  border: none;
  border-radius: var(--radius);
  background: var(--clr-primary);
  color: var(--clr-on-primary);
}

.btn-primary:hover {
  background: var(--clr-primary-h);
}

.btn-primary:active {
  transform: scale(.98);
}

.btn-primary:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--clr-bg);
  border-color: var(--clr-border);
  color: var(--clr-muted);
  background: color-mix(in oklab, var(--clr-surface) 80%, var(--clr-bg));
  border-color: color-mix(in oklab, var(--clr-primary) 28%, var(--clr-border));
  color: var(--clr-muted);
}

.btn-secondary:hover {
  background: color-mix(in oklab, var(--clr-surface) 74%, var(--clr-primary));
  border-color: var(--clr-primary);
  color: color-mix(in oklab, var(--clr-muted) 76%, var(--clr-text));
}

.btn-secondary:disabled {
  opacity: .62;
  cursor: not-allowed;
  color: var(--clr-muted);
  background: color-mix(in oklab, var(--clr-surface) 84%, var(--clr-bg));
  border-color: var(--clr-border);
}

.btn-ghost {
  background: transparent;
  border-color: var(--clr-border);
  color: var(--clr-muted);
  font-weight: var(--txt-w-medium);
}

.btn-ghost:hover {
  color: var(--clr-text);
  border-color: var(--clr-primary);
}

.btn-outline {
  background: transparent;
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

.btn-outline:hover {
  background: color-mix(in oklab, var(--clr-primary) 14%, transparent);
}

.btn-danger {
  background: var(--clr-danger);
  border-color: var(--clr-danger);
  color: var(--clr-on-primary);
}

.btn-danger:hover {
  background: var(--clr-danger-strong);
  border-color: var(--clr-danger-strong);
}

.btn-danger-outline {
  background: transparent;
  border-color: var(--clr-danger);
  color: var(--clr-danger);
}

.btn-danger-outline:hover {
  background: var(--clr-danger-soft);
}

.btn-stepper {
  padding: 0;
  min-width: 34px;
  font-size: var(--txt-base-plus);
  border-radius: 0;
  border-color: var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-muted);
}

.btn-stepper:hover {
  background: color-mix(in oklab, var(--clr-surface) 86%, var(--clr-primary));
  color: var(--clr-text);
}

.btn-sm {
  min-height: 28px;
  padding: .28rem .55rem;
  font-size: var(--txt-sm);
}

.btn-inline-action {
  align-self: flex-start;
  white-space: nowrap;
}

.btn-block {
  width: 100%;
}

.shared-btn-group {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
  min-width: 0;
}

.shared-btn-group > .btn-primary,
.shared-btn-group > .btn-secondary,
.shared-btn-group > .btn-ghost,
.shared-btn-group > .btn-outline,
.shared-btn-group > .btn-danger,
.shared-btn-group > .btn-danger-outline,
.shared-btn-group > .btn-sm {
  flex: 1 1 0;
  min-width: 0;
}

.shared-btn-group--2 > * {
  flex-basis: calc(50% - .2rem);
}

.shared-btn-group--3 > * {
  flex-basis: calc(33.333% - .24rem);
}

.shared-btn-group--equal {
  width: 100%;
}

.app-section-title {
  font-size: var(--txt-lg-plus);
  font-weight: var(--txt-w-bold);
  margin-bottom: .75rem;
  color: var(--clr-primary);
  border-top: 2px solid var(--clr-primary);
  padding-top: .5rem;
}

.shared-controls-grid {
  display: grid;
  grid-template-columns: var(--shared-controls-grid-cols, minmax(280px, 1fr) minmax(0, 1.5fr));
  gap: var(--shared-controls-grid-gap, 1rem);
  align-items: stretch;
}

.shared-results-table-wrap {
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  overflow: auto;
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
}

.shared-results-table {
  width: max-content;
  border-collapse: collapse;
  min-width: 0;
  font-size: var(--txt-md);
}

.shared-results-table-wrap.shared-results-table-wrap--full {
  width: 100%;
  margin-inline: 0;
}

.shared-results-table-wrap.shared-results-table-wrap--no-scroll {
  overflow-x: hidden;
}

.shared-results-table.shared-results-table--full {
  width: 100%;
  min-width: 0;
}

.shared-results-table th {
  --shared-th-bg: color-mix(in oklab, var(--clr-primary) 12%, var(--clr-surface));
  text-align: left;
  padding: .42rem .72rem;
  background: var(--shared-th-bg);
  font-weight: var(--txt-w-semibold);
  color: var(--clr-primary);
  border-bottom: 2px solid var(--clr-border);
  position: relative;
  overflow: visible;
}

.shared-results-table td {
  padding: .42rem .72rem;
  border-bottom: 1px solid var(--clr-border);
  font-variant-numeric: tabular-nums;
}

.shared-results-table tr:last-child td {
  border-bottom: 0;
}

.shared-results-table.shared-results-table--head-center th {
  text-align: center;
}

.shared-results-table.shared-results-table--zebra tbody tr:nth-child(even) td {
  background: color-mix(in oklab, var(--clr-primary) 6%, var(--clr-surface));
}

.shared-results-table.shared-results-table--hover tbody tr:hover td {
  background: color-mix(in oklab, var(--clr-primary) 11%, var(--clr-surface));
}

.shared-results-table-wrap.shared-results-table-wrap--raised-head {
  padding-top: 0;
  border-top: 0;
  border-left: 0;
  border-right: 0;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  position: relative;
}

.shared-results-table-wrap--raised-head .shared-results-table {
  border-collapse: separate;
  border-spacing: 0;
}

.shared-results-table-wrap--raised-head .shared-results-table thead tr:first-child th.shared-th-ghost {
  background: transparent !important;
  border: 0 !important;
  padding: 0;
  height: 0;
  line-height: 0;
  box-shadow: none;
  outline: 0;
}

.shared-results-table-wrap--raised-head .shared-results-table thead tr:first-child th.shared-th-cap {
  border: 1px solid var(--clr-border);
  border-bottom: 0;
  border-radius: 8px 8px 0 0;
  background: var(--shared-th-bg);
  color: var(--clr-primary);
  font-size: var(--txt-md);
  font-weight: var(--txt-w-semibold);
  letter-spacing: normal;
  text-transform: none;
  line-height: var(--txt-lh-none);
  text-align: center;
  padding: .42rem .72rem;
}

.shared-results-table-wrap--raised-head .shared-results-table thead tr:nth-child(2) th {
  border-top: 1px solid var(--clr-border);
}

.shared-results-table-wrap--raised-head .shared-results-table thead tr:nth-child(2) th:first-child {
  border-left: 1px solid var(--clr-border);
}

.shared-results-table-wrap--raised-head .shared-results-table thead tr:nth-child(2) th:last-child {
  border-right: 1px solid var(--clr-border);
}

.shared-results-table-wrap--raised-head .shared-results-table thead tr:nth-child(2) th:first-child {
  border-left: 1px solid var(--clr-border);
  border-top-left-radius: 8px;
}

.shared-results-table-wrap--raised-head .shared-results-table tbody td:first-child {
  border-left: 1px solid var(--clr-border);
}

.shared-results-table.shared-results-table--cap-right thead tr:nth-child(2) th:last-child {
  border-right: 1px solid var(--clr-border);
  border-top-right-radius: 0;
}

.shared-results-table-wrap--raised-head .shared-results-table tbody td:last-child {
  border-right: 1px solid var(--clr-border);
}

.shared-results-table.shared-results-table--cap-right thead tr:first-child th.shared-th-cap--edge-right {
  border-top-right-radius: 8px;
}

.shared-results-table .shared-cell-text {
  text-align: left;
}

.shared-results-table .shared-cell-num {
  text-align: right;
}

.shared-results-table.shared-results-table--num td {
  text-align: right;
}

.shared-results-table.shared-results-table--num td.shared-cell-text {
  text-align: left;
}

.shared-results-table.shared-results-table--num td.shared-cell-num {
  text-align: right;
}

.shared-stat-chip {
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  padding: .55rem .7rem;
  margin-top: .58rem;
  background: var(--clr-surface);
}

.shared-stat-chip strong {
  color: var(--clr-primary);
}

.app-section-headline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
}

.app-section-headline .app-section-title {
  margin-bottom: 0;
  flex: 1 1 auto;
}

.card {
  display: flex;
  flex-direction: column;
}

.card h3,
.shared-card-title {
  font-size: var(--txt-md-plus);
  font-weight: var(--txt-w-semibold);
  margin-bottom: .42rem;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.chart-note {
  margin-top: .4rem;
  font-size: var(--txt-xs);
  color: var(--clr-muted);
  line-height: var(--txt-lh-tight);
}

.card-headline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-headline h3 {
  margin-bottom: 0;
}

.shared-collapsible-panel {
  overflow: hidden;
}

.shared-collapsible-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: .6rem;
  line-height: var(--txt-lh-compact);
}

.shared-collapsible-summary::before {
  content: '▸';
  display: inline-block;
  width: 1rem;
  text-align: center;
  color: var(--clr-primary);
  font-size: .92em;
  line-height: var(--txt-lh-compact);
  flex: 0 0 auto;
}

.shared-collapsible-summary::-webkit-details-marker {
  display: none;
}

.shared-collapsible-summary::marker {
  content: '';
  font-size: 0;
}

.shared-collapsible-title {
  margin: 0;
  text-align: left;
  line-height: var(--txt-lh-compact);
}

.shared-collapsible-panel:not([open]) .shared-collapsible-summary::before {
  content: '▸';
}

.shared-collapsible-panel[open] .shared-collapsible-summary::before {
  content: '▾';
}

.shared-collapsible-panel:not([open]) .results-note,
.shared-collapsible-panel:not([open]) .results-table-wrap,
.shared-collapsible-panel:not([open]) .normality-block {
  display: none;
}

/* Plot baseline contract
   Use these shared classes to keep chart blocks visually consistent across tools. */
.shared-plot-card {
  display: flex;
  flex-direction: column;
}

.shared-plot-headline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .65rem;
  margin-bottom: .55rem;
}

.shared-plot-title {
  margin: 0;
  font-size: var(--txt-md-plus);
  font-weight: var(--txt-w-semibold);
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.shared-plot-canvas {
  display: block;
  width: 100%;
  background: var(--clr-chart-bg);
  border-radius: 10px;
}

.shared-plot-modal-title {
  margin: 0;
  font-size: var(--txt-base);
  color: var(--clr-primary);
}

.btn-chart-expand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--clr-primary);
  border-radius: 9px;
  background: transparent;
  color: var(--clr-primary);
  font-size: 0;
  font-weight: var(--txt-w-semibold);
  cursor: pointer;
}

.btn-chart-expand:hover {
  background: color-mix(in oklab, var(--clr-primary) 14%, transparent);
}

.btn-chart-expand::before {
  content: '⤢';
  font-size: var(--txt-md-plus);
  line-height: var(--txt-lh-none);
}

.btn-chart-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 9px;
  font-size: 0;
}

.btn-chart-close::before {
  content: '✕';
  font-size: var(--txt-md);
  line-height: var(--txt-lh-none);
}

.chart-modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
}

.chart-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#chart-modal-canvas {
  width: 100% !important;
  touch-action: none;
  background: var(--clr-chart-bg);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-footer {
  max-width: 1400px;
  margin: 1.75rem auto 1.25rem;
  border-top: 1px solid var(--clr-border);
  padding: 1.5rem 1.25rem 0;
  color: var(--clr-muted);
  font-size: var(--txt-sm);
  line-height: var(--txt-lh-body);
}

.footer-extra-top {
  margin-bottom: .75rem;
}

.footer-extra-top p {
  margin-top: 0;
}

.footer-extra-top p + p {
  margin-top: .25rem;
}

.site-footer p {
  margin-top: .25rem;
}

.footer-credits {
  margin-top: .8rem;
  display: flex;
  justify-content: flex-end;
  gap: .9rem;
  flex-wrap: wrap;
}

.footer-report-row {
  margin-top: .2rem;
  text-align: right;
}

.site-footer a {
  color: var(--clr-primary);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.site-footer a.link-badge:hover,
.site-footer .link-badge:hover,
.site-footer a.related-work-inline-link:hover,
.site-footer a.pub-action-link:hover,
.site-footer .pub-cite-summary:hover,
.site-footer .pub-cite-badge:hover,
.site-footer a.link-badge:focus-visible,
.site-footer .link-badge:focus-visible,
.site-footer a.related-work-inline-link:focus-visible,
.site-footer a.pub-action-link:focus-visible,
.site-footer .pub-cite-summary:focus-visible,
.site-footer .pub-cite-badge:focus-visible {
  text-decoration: none;
}

.related-work-root-contextual {
  margin-top: .65rem;
}

.related-work-shell .related-work-root-contextual {
  margin-top: 0;
}

.related-work-shell {
  margin-top: 2.5rem;
}

.widget-box-accent .panel-header {
  border-bottom: 0;
  padding: 0;
}

.widget-box-accent > .shared-intro-title {
  margin: 0 0 .35rem;
}

@media (max-width: 900px) {
  .shared-controls-grid {
    grid-template-columns: 1fr;
  }

  main {
    grid-template-columns: 1fr;
  }
}

.related-work-subtitle {
  font-size: var(--txt-sm);
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: var(--txt-tracking-wide);
  margin: 0 0 .22rem;
}

.related-work-root > :first-child {
  margin-top: 0;
}

.related-work-intro .related-work-link {
  font-weight: var(--txt-w-semibold);
}

.related-work-list {
  list-style: none;
  display: grid;
  gap: .3rem;
  padding-left: 1.2rem;
}

.related-work-list-pubs {
  max-height: 220px;
  overflow-y: auto;
  padding-right: .2rem;
}

.related-work-list-pubs::-webkit-scrollbar {
  width: 6px;
}

.related-work-list-pubs::-webkit-scrollbar-thumb {
  background: var(--clr-border);
  border-radius: 999px;
}

.related-work-item {
  border-left: 2px solid var(--clr-border);
  padding-left: .45rem;
  border-radius: 0 8px 8px 0;
}

.related-work-item-link {
  font-size: var(--txt-md);
  line-height: var(--txt-lh-body);
}

.related-work-item-pub {
  font-size: var(--txt-md);
  line-height: var(--txt-lh-body);
}

.related-work-item:hover {
  border-left-color: var(--clr-primary);
}

.related-work-item:target {
  border-left-color: var(--clr-primary);
  background: transparent;
  scroll-margin-top: 0.6rem;
}

.related-work-item.related-work-item--flash {
  animation: relatedWorkTargetFlash 1.7s ease-out 1;
}

@keyframes relatedWorkTargetFlash {
  0%,
  14% {
    background: color-mix(in oklab, var(--clr-primary) 30%, var(--clr-surface));
    box-shadow: 0 0 0 1px color-mix(in oklab, var(--clr-primary) 45%, transparent) inset;
  }
  28%,
  42% {
    background: color-mix(in oklab, var(--clr-primary) 10%, var(--clr-surface));
    box-shadow: 0 0 0 1px color-mix(in oklab, var(--clr-primary) 20%, transparent) inset;
  }
  56%,
  70% {
    background: color-mix(in oklab, var(--clr-primary) 24%, var(--clr-surface));
    box-shadow: 0 0 0 1px color-mix(in oklab, var(--clr-primary) 36%, transparent) inset;
  }
  100% {
    background: transparent;
    box-shadow: none;
  }
}

.related-work-link {
  color: var(--clr-primary);
  font-weight: var(--txt-w-semibold);
  text-decoration: none;
}

.related-work-link:hover {
  text-decoration: underline;
}

.related-work-desc {
  margin-top: .08rem;
  color: var(--clr-muted);
  font-size: var(--txt-sm);
  line-height: var(--txt-lh-tight);
}

.related-work-link-desc {
  color: var(--clr-muted);
  font-size: var(--txt-sm);
}

.inline-cite-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: .16rem;
  padding: 0 .26rem;
  min-height: 1.2rem;
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  background: color-mix(in oklab, var(--clr-chart-bg) 84%, var(--clr-surface));
  color: var(--clr-primary);
  font-family: var(--font-mono);
  font-size: var(--txt-xs);
  line-height: var(--txt-lh-none);
  text-decoration: none;
  vertical-align: baseline;
}

.inline-cite-link:hover,
.inline-cite-link:focus-visible {
  border-color: var(--clr-primary);
  background: color-mix(in oklab, var(--clr-primary) 14%, var(--clr-surface));
  color: var(--clr-primary);
  text-decoration: none;
}

.inline-cite-tooltip {
  position: absolute;
  z-index: 1400;
  width: max-content;
  max-width: min(620px, calc(100vw - 16px));
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  box-shadow: var(--shadow-popover-soft);
  padding: .46rem .56rem;
}

.inline-cite-tooltip .related-work-item {
  border-left-color: color-mix(in oklab, var(--clr-primary) 60%, var(--clr-border));
  font-size: var(--txt-md);
  line-height: var(--txt-lh-body);
}

.inline-cite-tooltip .related-work-inline-link,
.inline-cite-tooltip .link-badge {
  pointer-events: none;
}

.inline-cite-tooltip .related-work-inline-link,
.inline-cite-tooltip .related-work-cite {
  display: none;
}

.inline-cite-tooltip .related-work-type-badge,
.inline-cite-tooltip .related-work-meta {
  display: none;
}

.related-work-type-badge {
  display: inline-block;
  margin-right: .32rem;
  padding: 0 4px;
  border: 1px solid var(--clr-border);
  border-radius: 3px;
  background: color-mix(in oklab, var(--clr-chart-bg) 84%, var(--clr-surface));
  color: var(--clr-primary);
  font-size: var(--txt-xs);
  font-weight: var(--txt-w-semibold);
  letter-spacing: var(--txt-tracking-normal);
  text-transform: uppercase;
  vertical-align: middle;
}

.related-work-item-pub strong {
  color: var(--clr-text);
  font-weight: var(--txt-w-semibold);
}

.related-work-item-pub cite small,
.related-work-item-pub em {
  color: var(--clr-muted);
  background: transparent;
}

.related-work-inline-link:not(.link-badge) {
  font-size: var(--txt-xs);
  line-height: var(--txt-lh-heading);
  height: 1.2rem;
  padding: 0 6px;
  border-radius: 3px;
  border: 1px solid var(--clr-border);
  background: color-mix(in oklab, var(--clr-chart-bg) 84%, var(--clr-surface));
  color: var(--clr-primary);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
}

.related-work-inline-link:not(.link-badge):hover {
  border-color: var(--clr-primary);
}

/* Related-work cite popup styles moved to shared asset: /assets/shared/publication-ui.css */

@media (max-width: 500px) {
  .related-work-list-pubs { max-height: 200px; }
  .header-inner h1 { font-size: var(--txt-base); }
  .subtitle { display: none; }
  .header-controls { gap: .4rem; }
}