/* Main stylesheet for the ARF syllabus book. */
body.quarto-light {
  --syllabus-link: #0b5cad;
  --syllabus-link-hover: #073b6d;
  --syllabus-active-link: #b84300;
  --syllabus-backtop-bg: rgba(255, 255, 255, 0.62);
  --syllabus-backtop-hover: rgba(255, 243, 234, 0.92);
  --syllabus-rule: #d8dee9;
  --syllabus-surface: #ffffff;
  --syllabus-soft-surface: #f7f9fb;
  --syllabus-card-border: #cfd8e3;
  --syllabus-muted: #536070;
  --syllabus-accent: #b84300;
  --syllabus-accent-soft: #fff3ea;
}

.activity-components-table table {
  table-layout: fixed;
  width: 100%;
}

.activity-components-table th:first-child,
.activity-components-table td:first-child {
  width: 6.5rem;
  text-align: center;
  white-space: nowrap;
}

.activity-components-table th:nth-child(2),
.activity-components-table td:nth-child(2),
.activity-components-table th:nth-child(3),
.activity-components-table td:nth-child(3) {
  width: calc((100% - 6.5rem) / 2);
}

.evaluation-summary-table table {
  table-layout: fixed;
  width: 100%;
}

.evaluation-summary-table th:first-child,
.evaluation-summary-table td:first-child {
  width: 38%;
}

.evaluation-summary-table th:nth-child(2),
.evaluation-summary-table td:nth-child(2) {
  width: 44%;
}

.evaluation-summary-table th:nth-child(3),
.evaluation-summary-table td:nth-child(3) {
  text-align: right;
  white-space: nowrap;
  width: 18%;
}

body.quarto-dark {
  --syllabus-link: #8ecaff;
  --syllabus-link-hover: #c6e6ff;
  --syllabus-active-link: #ffb86b;
  --syllabus-backtop-bg: rgba(31, 37, 43, 0.66);
  --syllabus-backtop-hover: rgba(51, 37, 26, 0.9);
  --syllabus-rule: #45515f;
  --syllabus-surface: #1f252b;
  --syllabus-soft-surface: #151a20;
  --syllabus-card-border: #445160;
  --syllabus-muted: #bac6d4;
  --syllabus-accent: #ffb86b;
  --syllabus-accent-soft: #33251a;
}

html {
  scroll-padding-top: 4.5rem;
}

a {
  color: var(--syllabus-link);
  text-decoration: none;
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

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

#TOC .nav-link.active,
#TOC .toc-entry a.active,
.sidebar .sidebar-item-container .active,
.nav-link.active {
  color: var(--syllabus-active-link) !important;
  font-weight: 700;
}

hr {
  border-color: var(--syllabus-rule) !important;
}

main [id] {
  scroll-margin-top: 4.5rem;
}

#title-block-header {
  margin-block-end: 0.75rem;
}

#title-block-header .quarto-title-meta {
  margin-block-end: 0.5rem;
}

#quarto-header .container-fluid {
  align-items: center;
  gap: 0.4rem;
}

#quarto-header .quarto-page-breadcrumbs {
  min-width: 0;
}

#quarto-header .quarto-page-breadcrumbs .breadcrumb {
  flex-wrap: nowrap;
  margin-bottom: 0;
}

#quarto-header .quarto-page-breadcrumbs .breadcrumb-item {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#quarto-sidebar li.sidebar-item:has(a.sidebar-link[href="./index.html"]) {
  display: none;
}

body:has(.homepage-contact) #quarto-header .quarto-page-breadcrumbs {
  display: none;
}

.page-navigation .nav-page-previous:has(a[href="./index.html"]) {
  display: none;
}

#quarto-sidebar li.sidebar-item-section.sidebar-section-current > .sidebar-item-container > .sidebar-link,
#quarto-sidebar li.sidebar-item-section.sidebar-section-current > .sidebar-item-container > .sidebar-item-toggle {
  font-weight: 700;
}

#title-block-header .quarto-title-breadcrumbs {
  display: inline-flex !important;
  max-width: calc(100% - 8rem);
  vertical-align: middle;
}

#title-block-header.has-page-local-nav .quarto-title-breadcrumbs {
  display: none !important;
}

#title-block-header .quarto-title-breadcrumbs .breadcrumb {
  flex-wrap: nowrap;
  margin-bottom: 0;
}

#title-block-header .quarto-title-breadcrumbs .breadcrumb-item {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-local-nav {
  align-items: center;
  background: var(--syllabus-surface);
  border-bottom: 1px solid var(--syllabus-rule);
  display: flex;
  gap: 0.5rem;
  margin: -0.1rem 0 0.9rem;
  padding: 0.45rem 0;
  position: sticky;
  top: 0;
  z-index: 1030;
}

.page-local-nav .quarto-page-breadcrumbs {
  display: block !important;
  min-width: 0;
}

.page-local-nav .breadcrumb {
  flex-wrap: nowrap;
  margin-bottom: 0;
}

.page-local-nav .breadcrumb-item {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-section-menu {
  flex: 0 0 auto;
  margin-left: 0;
  position: relative;
  z-index: 1041;
}

.page-section-toggle {
  background: var(--syllabus-surface);
  border: 1px solid var(--syllabus-card-border);
  border-radius: 6px;
  color: var(--syllabus-link);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 0.35rem 0.65rem;
}

.page-section-toggle:hover,
.page-section-toggle:focus {
  background: var(--syllabus-accent-soft);
  color: var(--syllabus-link-hover);
}

.page-section-list {
  max-height: min(70vh, 32rem);
  max-width: min(26rem, calc(100vw - 2rem));
  overflow-y: auto;
}

.page-section-link {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-section-link-h3 {
  padding-left: 1.75rem;
}

.video-embed {
  aspect-ratio: 16 / 9;
  margin: 1rem 0 1.25rem;
  max-width: 720px;
}

.video-embed iframe {
  border: 0;
  border-radius: 6px;
  height: 100%;
  width: 100%;
}

.homepage-contact {
  align-items: center;
  border-bottom: 1px solid var(--syllabus-rule);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin: 0 0 1.25rem;
  padding: 0 0 0.75rem;
}

.homepage-back-link {
  font-weight: 700;
}

.social-links {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: flex-end;
}

.social-links a {
  align-items: center;
  border: 1px solid var(--syllabus-card-border);
  border-radius: 6px;
  display: inline-flex;
  height: 2.5rem;
  justify-content: center;
  width: 2.5rem;
}

.social-links a:hover,
.social-links a:focus {
  background: var(--syllabus-accent-soft);
  text-decoration: none;
}

.social-links img {
  display: block;
  height: 1.3rem;
  max-width: 1.45rem;
  transition: filter 0.2s ease, opacity 0.2s ease;
  width: auto;
}

.social-links .social-icon {
  color: var(--syllabus-link);
  display: block;
  font-size: 1.35rem;
  line-height: 1;
}

.social-links .social-icon-github {
  color: #181717;
}

.social-links .social-icon-ssrn {
  color: #1f5f99;
  font-size: 1.45rem;
}

.social-links .social-icon-email {
  color: #b84300;
}

.social-links .social-icon-linkedin {
  color: #0a66c2;
}

.social-links .social-icon-youtube {
  color: #ff0000;
}

.social-links .social-icon-google-scholar {
  color: #4285f4;
  font-size: 1.45rem;
}

.social-links .social-icon-substack {
  color: #ff6719;
  font-size: 1.45rem;
}

.social-links .social-icon-zoom {
  color: #2d8cff;
  font-size: 1.45rem;
}

.social-links img[alt="SSRN profile"],
.social-links img[alt="Zoom meeting"] {
  height: 1.45rem;
  max-width: 1.7rem;
}

body.quarto-dark .social-links .social-icon-github {
  color: #f0f6fc;
}

body.quarto-dark .social-links .social-icon-ssrn {
  color: #8ecaff;
}

body.quarto-dark .social-links img {
  filter: invert(1) brightness(1.35);
  opacity: 0.92;
}

.home-last-modified {
  align-items: baseline;
  color: var(--syllabus-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.92rem;
  gap: 0.45rem;
  margin: -0.35rem 0 1rem;
}

.home-last-modified-label {
  font-weight: 700;
}

.home-last-modified .date-modified {
  margin: 0;
}

.footer .nav-footer {
  align-items: center;
  border-top: 1px solid var(--syllabus-rule);
  gap: 1rem;
  padding-top: 1rem;
}

.footer .nav-footer-left,
.footer .nav-footer-right {
  color: var(--syllabus-muted);
  flex: 0 0 auto;
  font-size: 0.92rem;
  line-height: 1.45;
  max-width: none;
  white-space: nowrap;
}

.footer .nav-footer-center {
  flex: 1 1 auto;
  min-width: 1rem;
}

.footer .nav-footer-left p,
.footer .nav-footer-right p {
  margin-bottom: 0;
}

.footer .nav-footer-right a {
  color: var(--syllabus-link);
  white-space: nowrap;
}

#btn-back-to-top {
  align-items: center;
  appearance: none;
  background: var(--syllabus-backtop-bg);
  border: 1px solid var(--syllabus-card-border);
  border-radius: 50%;
  bottom: 1.25rem;
  box-shadow: 0 0.35rem 0.9rem rgba(0, 0, 0, 0.12);
  color: var(--syllabus-active-link);
  cursor: pointer;
  display: inline-flex;
  height: 2.75rem;
  justify-content: center;
  line-height: 1;
  opacity: 0;
  padding: 0;
  pointer-events: none;
  position: fixed;
  right: 1.25rem;
  transform: translateY(0.4rem);
  transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
  width: 2.75rem;
  z-index: 1040;
}

#btn-back-to-top svg {
  display: block;
  fill: none;
  height: 1.45rem;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
  transform: translateY(-1px);
  width: 1.45rem;
}

#btn-back-to-top.is-visible {
  opacity: 0.86;
  pointer-events: auto;
  transform: translateY(0);
}

#btn-back-to-top:hover,
#btn-back-to-top:focus {
  background: var(--syllabus-backtop-hover);
  color: var(--syllabus-link-hover);
}

#btn-back-to-top:focus-visible {
  outline: 3px solid var(--syllabus-active-link);
  outline-offset: 3px;
}

.home-panel {
  background: var(--syllabus-soft-surface);
  border: 1px solid var(--syllabus-card-border);
  border-left: 5px solid var(--syllabus-accent);
  border-radius: 6px;
  margin: 0.75rem 0 1.5rem;
  padding: 1rem 1.1rem;
}

.home-panel p:last-child,
.home-section p:last-child {
  margin-bottom: 0;
}

.home-section-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 1rem 0 1.5rem;
}

.home-section {
  background: var(--syllabus-surface);
  border: 1px solid var(--syllabus-card-border);
  border-radius: 6px;
  padding: 1rem;
}

@media (max-width: 640px) {
  .homepage-contact {
    align-items: flex-start;
    flex-direction: column;
  }

  .social-links {
    justify-content: flex-start;
  }

  .page-section-menu {
    margin-left: 0;
  }

  .page-section-toggle {
    font-size: 0.85rem;
    padding: 0.3rem 0.5rem;
  }

  .footer .nav-footer {
    align-items: flex-start;
    gap: 0.35rem;
  }

  .footer .nav-footer-left,
  .footer .nav-footer-right {
    text-align: left;
    white-space: normal;
  }

  #btn-back-to-top {
    bottom: 0.85rem;
    right: 0.85rem;
  }
}