:root {
  --contrast: #222222;
  --contrast-2: #575760;
  --contrast-3: #b2b2be;
  --base: #f0f0f0;
  --base-2: #f7f8f9;
  --base-3: #ffffff;
  --accent: #1e73be;
  --global-color-8: #0b2341;
  --global-color-9: #48aeee;
  --ndltd-navy: #0b2f59;
  --ndltd-navy-dark: #072340;
  --ndltd-gold: #f2b134;
  --surface: #ffffff;
  --surface-muted: #f5f8fc;
  --border-subtle: #dfe7f1;
  --ink-muted: #575760;
  --prose-navy: #244464;
  --label-blue: #1f5c8a;
  --shadow-soft: 0 10px 30px rgba(11, 35, 65, 0.08);
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --container-default: 1400px;
  --container-data: 1360px;
  --container-narrow: 1100px;
  --container-pad-desktop: 60px;
  --container-pad-tablet: 30px;
  --container-pad-mobile: 16px;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .card:hover,
  .btn-primary:hover,
  .footer-social-icons a:hover,
  .footer-social-icons a:focus {
    transform: none !important;
  }
}

body {
  background: linear-gradient(180deg, #f7fafe 0%, #f2f6fb 100%);
  color: #666;
  font-family: Roboto, sans-serif;
  font-weight: 400;
  line-height: 1.7;
}

body.bg-light {
  background: linear-gradient(180deg, #f7fafe 0%, #f2f6fb 100%) !important;
}

main {
  min-height: 58vh;
}

.layout-shell {
  width: min(100%, var(--layout-max, var(--container-default)));
  margin: 0 auto;
  padding-left: var(--layout-pad, var(--container-pad-desktop));
  padding-right: var(--layout-pad, var(--container-pad-desktop));
}

.layout-default {
  --layout-max: var(--container-default);
}

.layout-data {
  --layout-max: var(--container-data);
}

.layout-full {
  --layout-max: 100%;
}

.layout-narrow {
  --layout-max: var(--container-narrow);
}

@media (max-width: 1200px) {
  .layout-shell {
    --layout-pad: var(--container-pad-tablet);
  }
}

@media (max-width: 1024px) {
  .layout-default,
  .layout-data {
    --layout-max: 100%;
  }
}

@media (max-width: 768px) {
  .layout-shell {
    --layout-pad: var(--container-pad-mobile);
  }
}

/* Bootstrap's muted gray is 4.48:1 over the body gradient, just under AA.
   Muted ink holds the same role at 6.4:1. */
.text-secondary {
  color: var(--ink-muted) !important;
}

/* Touch and stylus input gets full-size targets; pointer-fine stays compact. */
@media (pointer: coarse) {
  .form-control,
  .form-select,
  .btn {
    min-height: 44px;
  }
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 2000;
  background: #ffffff;
  color: #0b2341;
  border: 2px solid #48aeee;
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  font-family: Montserrat, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--contrast);
  font-family: Montserrat, sans-serif;
}

h1 {
  font-size: clamp(2rem, 1.5rem + 1.8vw, 3rem);
  font-weight: 600;
  line-height: 1.2;
}

h2 {
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 1rem;
}

h3 {
  font-size: clamp(1.25rem, 1.05rem + 0.5vw, 1.65rem);
  font-weight: 500;
  line-height: 1.2;
}

p,
li,
label,
input,
select,
textarea,
button {
  font-family: Roboto, sans-serif;
}

a {
  color: #0071b5;
}

a:hover,
a:focus,
a:active {
  color: var(--contrast);
  text-decoration: underline;
}

a,
.btn,
button,
.form-control,
.form-select,
.card {
  transition:
    color 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 220ms ease,
    transform 220ms ease;
}

.table {
  --bs-table-striped-bg: #f6f9fe;
  background-color: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(11, 35, 65, 0.05);
}

.table > :not(caption) > * > * {
  border-color: var(--border-subtle);
}

.btn,
button,
input[type="submit"],
input[type="button"] {
  border-radius: var(--radius-md);
  font-weight: 500;
}

.btn-primary,
button.btn-primary,
input[type="submit"].btn-primary {
  background-color: var(--global-color-8);
  border-color: var(--global-color-8);
  box-shadow: 0 6px 20px rgba(11, 35, 65, 0.18);
}

/* Catalog blue stays the interaction voice, but white on it is only 2.45:1.
   Navy ink on the same blue is 6.43:1 and keeps the state legible, which
   matters most on :focus, where a keyboard user is reading the label. */
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--global-color-9) !important;
  border-color: var(--global-color-9) !important;
  color: var(--global-color-8) !important;
  box-shadow: 0 8px 22px rgba(72, 174, 238, 0.28);
  transform: translateY(-1px);
}

.btn-outline-secondary {
  border-color: #c3d2e4;
  color: #26476c;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  border-color: #9db7d4;
  background-color: #edf4fb;
  color: #163452;
}

.form-control,
.form-select {
  color: var(--contrast);
  background-color: var(--surface);
  border-color: #ced9e6;
  border-radius: var(--radius-md);
}

.form-control:focus,
.form-select:focus {
  color: var(--contrast);
  background-color: var(--surface);
  border-color: var(--contrast-3);
  box-shadow: 0 0 0 0.2rem rgba(72, 174, 238, 0.22);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(11, 35, 65, 0.11);
}

/* Site header: utility bar on top, masthead with primary nav below.
   Mobile-first: base rules are the small-screen stacked layout; the
   1140px tier is where brand + six links fit on one row. Without JS the
   primary nav stays visible and the menu button stays hidden (html.js
   gates the disclosure behavior). */

.ndltd-header {
  background: var(--global-color-8);
  border-bottom: 3px solid var(--ndltd-gold);
}

.ndltd-utility-bar {
  display: none;
  background: var(--ndltd-navy-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ndltd-utility-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.5rem;
  padding-top: 0.3rem;
  padding-bottom: 0.3rem;
}

.ndltd-masthead-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}

.ndltd-brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  flex: 1 1 0%;
  max-width: max-content;
  min-width: 0;
  color: #fff;
  text-decoration: none;
}

.ndltd-logo-mark {
  width: auto;
  height: 2.25rem;
  object-fit: contain;
  flex-shrink: 0;
}

.ndltd-brand {
  font-family: Montserrat, sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 0.95rem;
  line-height: 1.2;
  min-width: 0;
  text-wrap: balance;
}

.ndltd-brand-wrap:hover,
.ndltd-brand-wrap:focus {
  color: #fff;
  text-decoration: none;
}

.ndltd-nav-toggle {
  display: none;
}

html.js .ndltd-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.3rem 0.8rem;
  flex-shrink: 0;
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: Montserrat, sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
}

@media (hover: hover) {
  html.js .ndltd-nav-toggle:hover {
    background-color: rgba(255, 255, 255, 0.14);
    border-color: #fff;
    color: #fff;
  }
}

.ndltd-nav-toggle svg {
  width: 1em;
  height: 1em;
  fill: currentColor;
}

.ndltd-nav-toggle .ndltd-icon-close,
.ndltd-nav-toggle[aria-expanded="true"] .ndltd-icon-menu {
  display: none;
}

.ndltd-nav-toggle[aria-expanded="true"] .ndltd-icon-close {
  display: block;
}

.ndltd-primary-nav {
  flex-basis: 100%;
  min-width: 0;
  padding-bottom: 0.5rem;
}

html.js .ndltd-primary-nav {
  display: none;
}

html.js .ndltd-primary-nav.is-open {
  display: block;
}

.ndltd-global-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding: 0;
}

.ndltd-global-nav li + li {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.ndltd-nav-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  color: #fff;
  font-family: Montserrat, sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.ndltd-nav-link:focus,
.ndltd-nav-link.active {
  color: var(--global-color-9);
  text-decoration: underline;
  text-underline-offset: 0.16em;
  text-decoration-thickness: 0.1em;
}

@media (hover: hover) {
  .ndltd-nav-link:hover {
    color: var(--global-color-9);
    text-decoration: underline;
    text-underline-offset: 0.16em;
    text-decoration-thickness: 0.1em;
  }
}

.ndltd-nav-link.active {
  font-weight: 700;
}

.ndltd-menu-utility {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin: 0.35rem 0 0;
  padding: 0.35rem 0 0;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.ndltd-menu-utility li + li {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.ndltd-nav-link.ndltd-menu-utility-accent {
  color: var(--ndltd-gold);
}

.ndltd-nav-link.ndltd-menu-utility-accent:focus {
  color: var(--ndltd-gold);
}

@media (hover: hover) {
  .ndltd-nav-link.ndltd-menu-utility-accent:hover {
    color: var(--ndltd-gold);
  }
}

/* Two-tone focus ring. Catalog blue alone is 2.45:1 on white and 6.43:1 on
   navy, so it only met the 3:1 non-text minimum on the header. The navy outer
   edge carries the contrast on light surfaces; the blue carries it on navy. */
:focus-visible {
  outline: 3px solid var(--global-color-9);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--global-color-8);
}

/* Bootstrap clears the outline on buttons, which left the search submit as the
   one control with no ring at all. */
.btn:focus-visible,
.btn-primary:focus-visible,
.btn-primary:focus {
  outline: 3px solid var(--global-color-9) !important;
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--global-color-8) !important;
}

.ndltd-nav-link:focus-visible,
.ndltd-action-btn:focus-visible,
.ndltd-nav-toggle:focus-visible,
.footer-sections a:focus-visible {
  border-radius: 6px;
}

.ndltd-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.22rem 0.68rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: Montserrat, sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  line-height: 1.25;
}

@media (pointer: coarse) {
  .ndltd-action-btn {
    min-height: 44px;
  }
}

.ndltd-action-btn-light {
  background-color: var(--base-3);
  border-color: var(--base-3);
  color: var(--global-color-8);
}

.ndltd-action-btn-light:focus {
  background-color: #eaf2fa;
  border-color: #eaf2fa;
  color: var(--global-color-8);
  text-decoration: none;
}

@media (hover: hover) {
  .ndltd-action-btn-light:hover {
    background-color: #eaf2fa;
    border-color: #eaf2fa;
    color: var(--global-color-8);
    text-decoration: none;
  }
}

.ndltd-action-btn-accent {
  background-color: var(--ndltd-gold);
  border-color: var(--ndltd-gold);
  color: var(--global-color-8);
}

.ndltd-action-btn-accent:focus {
  background-color: #e3a524;
  border-color: #e3a524;
  color: var(--global-color-8);
  text-decoration: none;
}

@media (hover: hover) {
  .ndltd-action-btn-accent:hover {
    background-color: #e3a524;
    border-color: #e3a524;
    color: var(--global-color-8);
    text-decoration: none;
  }
}

.ndltd-action-btn-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.ndltd-action-btn-outline:focus {
  background-color: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
  text-decoration: none;
}

@media (hover: hover) {
  .ndltd-action-btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.14);
    border-color: #fff;
    color: #fff;
    text-decoration: none;
  }
}

@media (min-width: 768px) {
  .ndltd-logo-mark {
    height: 2.5rem;
  }

  .ndltd-brand {
    font-size: 1rem;
  }
}

@media (min-width: 1140px) {
  .ndltd-utility-bar {
    display: block;
  }

  .ndltd-menu-utility {
    display: none;
  }

  html.js .ndltd-nav-toggle {
    display: none;
  }

  .ndltd-primary-nav,
  html.js .ndltd-primary-nav {
    display: block;
    flex-basis: auto;
    margin-left: auto;
    padding-bottom: 0;
  }

  .ndltd-global-nav {
    flex-direction: row;
    align-items: center;
    gap: 0.25rem;
    margin-right: -0.625rem;
  }

  .ndltd-global-nav li + li {
    border-top: 0;
  }

  .ndltd-nav-link {
    display: inline-flex;
    min-height: 0;
    line-height: 2.5rem;
    padding-left: 0.625rem;
    padding-right: 0.625rem;
    font-size: 0.9rem;
    white-space: nowrap;
  }
}

.footer-sections {
  background:
    radial-gradient(1200px 460px at 8% -20%, rgba(72, 174, 238, 0.2), rgba(72, 174, 238, 0) 60%),
    linear-gradient(180deg, #0b2341 0%, #081d35 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-title {
  margin-bottom: 0.9rem;
  font-size: 1.02rem;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: none;
}

.footer-sections .footer-title {
  /* Lifted from #8cb2e7, which composited to 4.46:1 over the footer gradient. */
  color: #9dc0ee;
}

.footer-sections .footer-menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-sections .footer-menu li {
  margin-bottom: 0.45rem;
}

.footer-sections a {
  color: #fff;
  text-decoration: none;
  text-underline-offset: 0.12em;
  text-decoration-thickness: 0.08em;
  opacity: 0.93;
}

.footer-sections a:hover,
.footer-sections a:focus {
  color: #48aeee;
  text-decoration: underline;
  opacity: 1;
}

.footer-sections-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 72px 40px 86px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.footer-column {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  padding: 1rem 1rem 1.1rem;
  backdrop-filter: blur(1px);
}

.footer-column:hover {
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(255, 255, 255, 0.22);
}

@media (max-width: 1100px) {
  .footer-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.85rem;
  }
}

@media (max-width: 768px) {
  .footer-sections-container {
    padding: 30px 22px 34px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

.site-info {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  background-color: #071426;
  color: #d9e2f2;
}

.site-info a {
  color: #d9e2f2;
  text-decoration: none;
}

.site-info a:hover,
.site-info a:focus {
  color: #48aeee;
  text-decoration: underline;
}

.site-info-container {
  max-width: 1224px;
  margin: 0 auto;
  padding: 0 1rem;
}

.copyright-bar {
  padding: 0.95rem 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1rem;
  justify-content: space-between;
  font-size: 0.93rem;
}

.footer-social-icons {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  gap: 0.75rem;
}

.footer-social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #dce8f7;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  text-decoration: none;
}

.footer-social-icons a:hover,
.footer-social-icons a:focus {
  color: #fff;
  background: rgba(72, 174, 238, 0.25);
  border-color: rgba(72, 174, 238, 0.7);
  transform: translateY(-1px);
}

.footer-social-icons svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}


.etd-item-page {
  display: grid;
  gap: 1.5rem;
}

.etd-item-layout {
  align-items: start;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 2.4fr) minmax(310px, 0.95fr);
}

.etd-item-main {
  display: grid;
  gap: 1.25rem;
  min-width: 0;
}

.etd-item-sidebar {
  position: sticky;
  top: 0;
}

.etd-item-backlink,
.etd-item-kicker {
  font-family: "Open Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.etd-item-backlink {
  color: #1f557f;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.etd-item-backlink:hover,
.etd-item-backlink:focus {
  color: #123b66;
}

.etd-item-header,
.etd-item-card,
.etd-item-identity-card,
.etd-item-meta-column {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
}

.etd-item-header {
  background:
    radial-gradient(circle at top right, rgba(72, 174, 238, 0.22), transparent 34%),
    linear-gradient(135deg, #0a2340 0%, #123b66 45%, #204f82 100%);
  display: grid;
  gap: 0.85rem;
  padding: clamp(1.55rem, 1.15rem + 1vw, 2.3rem);
}

.etd-item-kicker {
  color: rgba(242, 177, 52, 0.98);
  margin: 0;
}

.etd-item-title {
  color: #ffffff;
  font-size: clamp(1.8rem, 1.45rem + 0.9vw, 2.45rem);
  line-height: 1.15;
  margin: 0;
}

.etd-item-authors {
  color: rgba(240, 247, 255, 0.92);
  font-size: 1.05rem;
  margin: 0;
}

.etd-item-year {
  color: rgba(242, 177, 52, 0.98);
  font-weight: 700;
}

.etd-item-card,
.etd-item-identity-card,
.etd-item-meta-column {
  animation: etdFadeUp 360ms ease both;
  padding: clamp(1.2rem, 1rem + 0.7vw, 1.85rem);
}

.etd-item-card h2,
.etd-item-identity-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.9rem;
}

.etd-item-prose,
.etd-item-card p {
  color: #244464;
  font-size: 1.02rem;
  margin: 0;
}

.etd-item-prose mjx-container {
  max-width: 100%;
}

.etd-item-prose mjx-container[display="true"] {
  overflow-x: auto;
  overflow-y: hidden;
}

.etd-inline-math {
  font-family: "Times New Roman", Times, serif;
}

.etd-inline-math-roman {
  font-style: normal;
}

.etd-item-note {
  color: #4a6887;
  font-size: 0.95rem;
  margin-top: 0.85rem !important;
}

.etd-item-summary-list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.etd-item-identity-card {
  background:
    radial-gradient(circle at top right, rgba(72, 174, 238, 0.18), transparent 38%),
    linear-gradient(135deg, #0a2340 0%, #123b66 45%, #204f82 100%);
  border-color: rgba(255, 255, 255, 0.08);
}

.etd-item-identity-card h2 {
  color: #ffffff;
}

.etd-item-summary-list dt {
  color: rgba(72, 174, 238, 0.95);
  font-family: "Open Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
}

.etd-item-summary-list dd,
.etd-item-summary-list a,
.etd-item-summary-list code {
  color: #f6fbff;
  margin: 0;
  overflow-wrap: anywhere;
}

.etd-item-summary-list a:hover,
.etd-item-summary-list a:focus {
  color: #ffffff;
}

/* The one action that delivers the product: reaching the thesis itself.
   Navy on navy read at 1.9:1; foil gold on the navy panel is 8.3:1 and is
   where the header's single loud accent actually belongs. */
.etd-item-primary-link,
.etd-item-primary-link.btn-primary {
  display: block;
  margin-top: 1.2rem;
  text-align: center;
  background-color: var(--ndltd-gold) !important;
  border-color: var(--ndltd-gold) !important;
  color: var(--global-color-8) !important;
  box-shadow: 0 6px 20px rgba(7, 20, 38, 0.28);
}

@media (hover: hover) {
  .etd-item-primary-link:hover,
  .etd-item-primary-link.btn-primary:hover {
    background-color: #e3a524 !important;
    border-color: #e3a524 !important;
    color: var(--global-color-8) !important;
  }
}

.etd-item-primary-link:focus,
.etd-item-primary-link.btn-primary:focus {
  background-color: #e3a524 !important;
  border-color: #e3a524 !important;
  color: var(--global-color-8) !important;
}

.etd-item-meta-grid {
  align-items: start;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.etd-item-meta-column {
  align-self: start;
}

.etd-item-meta-section {
  padding-top: 1.2rem;
}

.etd-item-meta-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.etd-item-meta-section + .etd-item-meta-section {
  border-top: 1px solid #dbe6f0;
  margin-top: 1.2rem;
}

.etd-item-meta-heading {
  color: #123b66;
  font-size: 1.06rem;
  margin: 0 0 0.8rem;
}

.etd-item-role-block + .etd-item-role-block {
  border-top: 1px solid #e0e8f1;
  margin-top: 1rem;
  padding-top: 1rem;
}

.etd-item-role-block h3 {
  color: #1f5c8a;
  font-family: "Open Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 0.55rem;
  text-transform: uppercase;
}

.etd-item-meta-list {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.etd-item-meta-field {
  border-top: 1px solid #e6edf5;
  padding: 0.7rem 0;
}

.etd-item-meta-list .etd-item-meta-field:first-child {
  border-top: 0;
  padding-top: 0;
}

.etd-item-meta-list .etd-item-meta-field:last-child {
  padding-bottom: 0;
}

.etd-item-meta-list--paired .etd-item-meta-field,
.etd-item-meta-field--paired {
  align-items: start;
  display: grid;
  gap: 0.45rem;
  grid-template-columns: minmax(100px, 140px) minmax(0, 1fr);
}

.etd-item-meta-field--solo {
  border-top: 0;
  padding: 0;
}

.etd-item-meta-qualifier {
  color: #1f5c8a;
  font-family: "Open Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.etd-item-meta-value {
  color: #244d73;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.etd-item-topic-list {
  display: grid;
  gap: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.etd-item-topic-list li {
  border-top: 1px solid #e6edf5;
  color: #244d73;
  line-height: 1.5;
  padding: 0.7rem 0;
}

.etd-item-topic-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.etd-item-topic-list li:last-child {
  padding-bottom: 0;
}

.etd-item-detail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.etd-item-detail-list li {
  border-top: 1px solid #e0e8f1;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(120px, 180px) minmax(0, 1fr);
  padding-top: 0.9rem;
}

.etd-item-detail-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.etd-item-detail-list span {
  color: #1f5c8a;
  font-family: "Open Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.etd-item-detail-list code {
  background: #f5f8fc;
  border-radius: 10px;
  color: #213f5d;
  display: inline-block;
  line-height: 1.5;
  padding: 0.2rem 0.45rem;
  white-space: normal;
  word-break: break-word;
}

.etd-item-identifier-link {
  display: inline-flex;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.etd-item-identifier-link code {
  color: #123b66;
}

.etd-item-link-list {
  display: grid;
  gap: 0.45rem;
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}

.etd-item-link-list a {
  overflow-wrap: anywhere;
}

@keyframes etdFadeUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .etd-item-layout {
    grid-template-columns: 1fr;
  }

  .etd-item-sidebar {
    position: static;
  }
}

@media (max-width: 900px) {
  .etd-item-meta-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .etd-item-meta-list--paired .etd-item-meta-field,
  .etd-item-meta-field--paired,
  .etd-item-detail-list li,
  .etd-item-topic-list {
    grid-template-columns: 1fr;
  }
}

/* Search surface: catalog cards on cool paper, hairline-divided, with drawer
   labels on every control. Mobile-first; the min-width tiers widen the form
   and put the result byline on one line. */

.search-page {
  display: grid;
  gap: 1.25rem;
}

.search-title {
  margin: 0 0 0.4rem;
}

.search-lede {
  color: var(--ink-muted, #575760);
  margin: 0;
  max-width: 62ch;
  text-wrap: pretty;
}

.search-label {
  display: block;
  color: #1f5c8a;
  font-family: "Open Sans", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}

.search-form {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 1.1rem 1.15rem 1.15rem;
}

.search-primary {
  display: grid;
  gap: 0.7rem;
}

.search-primary-field {
  min-width: 0;
}

.search-input {
  min-height: 48px;
  font-size: 1.05rem;
}

.search-submit {
  min-height: 48px;
  padding-inline: 1.5rem;
  font-family: Montserrat, sans-serif;
  font-weight: 600;
}

.search-filters {
  margin-top: 0.9rem;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.75rem;
}

.search-filters-summary {
  color: #1f5c8a;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: Montserrat, sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
}

.search-filters-summary:focus-visible {
  border-radius: 6px;
}

.search-filters-grid {
  display: grid;
  gap: 0.85rem;
  padding-top: 0.5rem;
}

.search-field .form-control,
.search-field .form-select {
  min-height: 44px;
}

.search-hint {
  color: var(--ink-muted, #575760);
  font-size: 0.85rem;
  margin: 0.3rem 0 0;
}

.search-results-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 1rem;
  margin-bottom: 0.75rem;
}

.search-results-heading,
.search-empty-heading,
.search-landing-heading {
  margin: 0;
  font-size: 1.35rem;
}

.search-count {
  color: var(--ink-muted, #575760);
  margin: 0;
  font-size: 0.95rem;
}

.search-facets {
  display: grid;
  gap: 0.7rem;
  background: var(--surface-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 0.9rem;
  margin-bottom: 1.1rem;
}

.search-facet-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
}

.search-facet {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 34px;
  padding: 0.2rem 0.7rem;
  background: var(--surface);
  border: 1px solid #c8d9ec;
  border-radius: 999px;
  color: #1f446a;
  font-size: 0.88rem;
  text-decoration: none;
}

.search-facet.is-active {
  background: var(--global-color-8);
  border-color: var(--global-color-8);
  color: #fff;
}

.search-facet-count {
  color: inherit;
  font-variant-numeric: tabular-nums;
  opacity: 0.72;
}

@media (hover: hover) {
  .search-facet:hover {
    border-color: #7cb0e0;
    background: #eaf3fc;
    color: #123b66;
    text-decoration: none;
  }

  .search-facet.is-active:hover {
    background: #123b66;
    border-color: #123b66;
    color: #fff;
  }
}

.search-result-list {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.search-result {
  padding: 1.05rem 1.15rem;
  border-top: 1px solid var(--border-subtle);
}

.search-result:first-child {
  border-top: 0;
}

.search-result-title {
  margin: 0 0 0.3rem;
  font-family: Montserrat, sans-serif;
  font-size: 1.14rem;
  font-weight: 500;
  line-height: 1.3;
  text-wrap: pretty;
}

.search-result-title a {
  color: #123b66;
  text-decoration: none;
}

.search-result-title a:focus-visible {
  border-radius: 6px;
}

@media (hover: hover) {
  .search-result-title a:hover {
    color: #0071b5;
    text-decoration: underline;
    text-underline-offset: 0.14em;
  }
}

.search-result-byline {
  color: #244d73;
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  line-height: 1.45;
}

/* Inline flow, not flex: a wrapped byline keeps its separator on the line
   above rather than starting the next one with a stray dot. */
.search-result-byline > span:not(:last-child)::after {
  content: " · ";
  color: var(--contrast-3);
  white-space: pre;
}

.search-result-year {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.search-result-snippet {
  color: var(--prose-navy, #244464);
  margin: 0 0 0.5rem;
  font-size: 0.96rem;
  line-height: 1.6;
}

.search-result-snippet mark {
  background: #dceefb;
  color: inherit;
  border-radius: 3px;
  padding: 0 0.12em;
}

.search-result-title mark {
  background: #dceefb;
  color: inherit;
  border-radius: 3px;
  padding: 0 0.1em;
}

.search-result-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  margin: 0;
}

.search-result-repo {
  display: inline-flex;
  align-items: center;
  background: var(--surface-muted);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.12rem 0.5rem;
  color: #1f5c8a;
  font-family: "Open Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.search-result-source {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: #0071b5;
  font-size: 0.9rem;
  text-decoration: none;
}

.search-result-source:focus-visible {
  border-radius: 6px;
}

@media (hover: hover) {
  .search-result-source:hover {
    color: #123b66;
    text-decoration: underline;
  }
}

.search-pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 1.1rem;
}

.search-page-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin: 0;
  padding: 0;
}

.search-pagination-link,
.search-page-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 0.75rem;
  background: var(--surface);
  border: 1px solid #c8d9ec;
  border-radius: var(--radius-sm, 8px);
  color: #1f4a76;
  font-family: Montserrat, sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
}

.search-pagination-link.is-current {
  background: var(--global-color-8);
  border-color: var(--global-color-8);
  color: #fff;
}

.search-page-step.is-disabled {
  color: var(--contrast-3);
  border-color: #e3eaf3;
  background: var(--surface-muted);
}

.search-pagination-link:focus-visible,
.search-page-step:focus-visible {
  border-radius: 8px;
}

@media (hover: hover) {
  .search-pagination-link:not(.is-current):hover,
  a.search-page-step:hover {
    background: #e9f3fd;
    border-color: #9dc0e5;
    color: #14395f;
    text-decoration: none;
  }
}

.search-page-position {
  color: var(--ink-muted, #575760);
  text-align: center;
  margin: 0.6rem 0 0;
  font-size: 0.9rem;
}

.search-empty,
.search-landing {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 1.4rem 1.35rem;
}

.search-empty-note,
.search-landing-note {
  color: var(--prose-navy, #244464);
  margin: 0.7rem 0 0;
  max-width: 68ch;
  line-height: 1.65;
}

.search-landing-coverage {
  color: var(--global-color-8);
  margin: 0.7rem 0 0;
  font-family: Montserrat, sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
}

.search-empty-filters {
  list-style: none;
  display: grid;
  gap: 0.4rem;
  margin: 0.6rem 0 1rem;
  padding: 0;
}

.search-empty-filters .search-label {
  display: inline-block;
  margin: 0 0.4rem 0 0;
}

.search-landing-examples {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 0;
  padding: 0;
}

.search-landing-examples a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.25rem 0.8rem;
  background: var(--surface-muted);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  color: #1f446a;
  font-size: 0.92rem;
  text-decoration: none;
}

@media (hover: hover) {
  .search-landing-examples a:hover {
    background: #eaf3fc;
    border-color: #9dc0e5;
    color: #123b66;
    text-decoration: none;
  }
}

@media (min-width: 768px) {
  .search-primary {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 0.75rem;
  }

  .search-filters-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem 1rem;
  }

  .search-result {
    padding: 1.15rem 1.4rem;
  }
}

@media (min-width: 1024px) {
  .search-filters-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}