:root {
  --projects-home-card-width: 290px;
  --projects-home-card-height: 320px;
  --projects-overview-card-width: 300px;
  --projects-overview-card-height: 320px;
  --projects-card-gap: 16px;
}

.route-nav {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 6px 10px;
  min-height: 36px;
}

.route-nav-item {
  border: 0;
  background: transparent;
  color: var(--text-primary);
  font-size: 12px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 999px;
  cursor: pointer;
}

.route-nav-item[aria-current="page"] {
  background: rgba(255, 255, 255, 0.15);
  cursor: default;
}

.route-nav-item--link:hover {
  background: rgba(255, 255, 255, 0.12);
}

.route-nav-sep {
  opacity: 0.5;
  font-size: 11px;
}

.section-title--projects {
  justify-content: space-between;
}

.section-title--compact {
  margin-bottom: 12px;
}

.section-link-btn {
  border: 0;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.1;
  cursor: pointer;
  padding: 0;
}

.section-link-btn:hover {
  color: var(--accent);
}

.project-back-btn {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border-radius: 999px;
  height: var(--top-action-btn-height);
  padding: 0 12px;
  font-size: 12px;
  line-height: 1;
  font-family: var(--font-body);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.project-back-btn:hover {
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.16);
}

.project-detail-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.section-title--project-detail-top {
  margin-bottom: 14px;
}

.project-detail-title-row {
  text-align: center;
  margin-top: 10px;
  margin-bottom: 12px;
}

#project-detail-meta {
  margin-top: 8px;
}

#project-detail-title {
  margin: 0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.35;
}

.right-default-stack {
  display: grid;
  gap: 26px;
}

.right-column.route-projects .right-default-stack,
.right-column.route-project .right-default-stack,
.right-column.route-publications .right-default-stack {
  display: none !important;
}

.right-column.route-home #projects-overview-card,
.right-column.route-home #project-detail-card,
.right-column.route-home #publications-overview-card {
  display: none !important;
}

.right-column.route-projects #project-detail-card,
.right-column.route-projects #publications-overview-card,
.right-column.route-project #projects-overview-card,
.right-column.route-project #publications-overview-card,
.right-column.route-publications #projects-overview-card,
.right-column.route-publications #project-detail-card {
  display: none !important;
}

.right-standalone-card {
  min-height: 360px;
}

.projects-lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  border-radius: 999px;
  padding: 4px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  min-height: var(--top-action-btn-height);
}

.projects-lang-toggle button {
  border: 0;
  background: transparent;
  color: var(--text-muted);
  border-radius: 999px;
  height: calc(var(--top-action-btn-height) - 8px);
  padding: 0 12px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.projects-lang-toggle button.is-active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.16);
}

.projects-home-shell {
  display: grid;
  gap: 14px;
}

.projects-carousel-viewport {
  overflow: hidden;
  width: 100%;
  padding-bottom: 12px;
}

.projects-carousel-track {
  display: flex;
  width: 100%;
  transition: transform 0.28s ease;
  touch-action: pan-y;
}

.projects-carousel-page {
  flex: 0 0 100%;
  width: 100%;
  display: flex;
  gap: var(--projects-card-gap);
}

.projects-home-pager {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.projects-home-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.projects-home-dot.is-active {
  background: var(--accent);
}

.project-card {
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 10px;
  padding: 0 0 14px;
  cursor: pointer;
  contain: layout;
}

.project-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.project-card--home {
  width: min(100%, var(--projects-home-card-width));
  min-height: var(--projects-home-card-height);
}

.project-card--overview {
  width: 100%;
  min-height: var(--projects-overview-card-height);
}

.project-card-media {
  height: 170px;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
}

.project-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: translateX(0);
  opacity: 1;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.project-card-media img.is-slide-out {
  transform: translateX(-8%);
  opacity: 0;
}

.project-card-media img.is-slide-in {
  transform: translateX(8%);
  opacity: 0;
}

.project-card-media-dots {
  position: absolute;
  left: 10px;
  bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 7px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  background: rgba(8, 14, 28, 0.58);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
}

.project-card-media-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
}

.project-card-media-dot.is-active {
  background: #ffffff;
  transform: scale(1.08);
}

@media (prefers-reduced-motion: reduce) {
  .project-card-media img {
    transition: none;
  }
}

.project-card-title {
  margin: 0;
  padding: 0 14px;
  font-size: 16px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--text-primary);
}

.project-card-authors {
  margin: 0;
  padding: 0 14px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.4;
  min-width: 0;
}

.project-card-authors .publication-author-highlight {
  color: var(--text-primary);
  font-weight: 600;
}

.project-card-abs-wrap {
  padding: 0 14px;
  display: grid;
  gap: 4px;
}

.project-card-abs {
  margin: 0;
  padding: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
}

.project-card-abs-toggle {
  border: 0;
  background: transparent;
  color: var(--accent);
  font-size: 12px;
  line-height: 1.2;
  padding: 0;
  cursor: pointer;
  width: fit-content;
}

.project-card-abs-toggle:hover {
  text-decoration: underline;
}

.project-card-funding {
  margin: 0;
  padding: 0 14px;
  color: var(--accent);
  font-size: 12px;
  line-height: 1.45;
  opacity: 0.95;
}

.project-card-meta {
  margin-top: auto;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.project-card-year,
.project-doc-page-year,
.project-card-amount,
.project-doc-page-amount {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  min-height: 24px;
  box-sizing: border-box;
  font-size: 12px;
  line-height: 1;
  white-space: nowrap;
}

.project-card-year,
.project-doc-page-year {
  gap: 0;
}

.project-card-amount i,
.project-doc-page-amount i {
  font-size: 11px;
}

.projects-overview-grid {
  display: grid;
  gap: var(--projects-card-gap);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--projects-overview-card-width)), 1fr));
}

.projects-overview-shell {
  display: grid;
  gap: var(--projects-card-gap);
}

.project-detail-frame-wrap {
  min-height: min(72vh, 900px);
}

.project-detail-content {
  display: grid;
  gap: 16px;
}

.project-doc {
  display: grid;
  gap: 16px;
}

.project-doc-banner {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-doc-banner img {
  width: 100%;
  max-height: 360px;
  object-fit: cover;
  object-position: center;
}

.project-doc-section {
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.project-doc-heading {
  font-size: 16px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--text-primary);
}

.project-doc-text {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.project-doc-emphasis {
  color: var(--text-primary);
  font-weight: 600;
}

.project-doc-funding {
  color: var(--accent);
}

.project-doc-list {
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--text-muted);
}

.project-detail-content.lang-en .proj-zh {
  display: none !important;
}

.project-detail-content.lang-zh .proj-en {
  display: none !important;
}

.project-doc-page.lang-en .proj-zh {
  display: none !important;
}

.project-doc-page.lang-zh .proj-en {
  display: none !important;
}

[data-project-slot="lang-toggle"] {
  display: inline-flex;
}

.project-doc-header {
  display: grid;
  gap: 14px;
  margin-bottom: 10px;
}

.project-doc-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.project-doc-header-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.project-doc-page-title {
  margin: 0;
  text-align: center;
  font-size: clamp(20px, 2.2vw, 28px);
  line-height: 1.35;
}

.project-doc-page-title--spaced {
  margin-top: 22px;
}

.project-doc-page-meta {
  display: grid;
  justify-items: center;
  gap: 8px;
}

.project-doc-page-authors {
  margin: 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.45;
  text-align: center;
}

.project-doc-page-facts {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Standalone project pages: continuous reading layout */
.project-doc-page .project-doc {
  gap: 20px;
}

.project-doc-page .project-doc-section {
  border: 0;
  background: transparent;
  border-radius: 0;
  padding: 0;
  gap: 10px;
}

.project-doc-page .project-doc-section + .project-doc-section {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 16px;
}

.project-doc-page .project-doc-banner {
  border: 0;
  border-radius: 0;
  overflow: visible;
}

.project-doc-page .project-doc-banner img {
  width: 100%;
  max-height: none;
  height: auto;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
}

/* Embedded project detail in index: use the same continuous reading layout. */
.project-detail-content .project-doc {
  gap: 20px;
}

.project-detail-content .project-doc-section {
  border: 0;
  background: transparent;
  border-radius: 0;
  padding: 0;
  gap: 10px;
}

.project-detail-content .project-doc-section + .project-doc-section {
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 16px;
}

.project-detail-content .project-doc-banner {
  border: 0;
  border-radius: 0;
  overflow: visible;
}

.project-detail-content .project-doc-banner img {
  width: 100%;
  max-height: none;
  height: auto;
  object-fit: contain;
  object-position: center;
  border-radius: 12px;
}

.project-detail-content .project-doc-header {
  display: none;
}

.projects-standalone-main {
  max-width: 1280px;
  margin: 0 auto;
}

.projects-standalone-card {
  min-height: 60vh;
}

.project-standalone-main {
  max-width: 1240px;
  margin: 0 auto;
}

.project-single-card {
  display: grid;
  gap: 18px;
}

.project-single-copy {
  display: grid;
  gap: 10px;
}

.project-single-abs {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.project-single-gallery {
  display: grid;
  gap: 12px;
}

.project-single-gallery-item {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

@supports (content-visibility: auto) {
  .project-card {
    content-visibility: auto;
    contain-intrinsic-size: 340px;
  }

  .project-doc-section {
    content-visibility: auto;
    contain-intrinsic-size: 220px;
  }

  .project-single-gallery-item {
    content-visibility: auto;
    contain-intrinsic-size: 320px;
  }
}

.project-single-gallery-item img {
  width: 100%;
  max-height: 430px;
  object-fit: cover;
  object-position: center;
}

.project-related-section {
  display: grid;
  gap: 12px;
  padding-top: 6px;
}

body.project-embedded main {
  padding: 16px;
  min-height: auto;
}

body.project-embedded .site-header {
  display: none;
}

@media (max-width: 700px) {
  .route-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }

  .section-title--projects {
    flex-wrap: wrap;
    gap: 10px;
  }

  .project-doc-header-top {
    flex-direction: column;
    align-items: flex-start;
  }

  .project-doc-header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .project-card--home {
    width: 100%;
  }
}