:root {
  --page-bg: #fafafa;
  --surface: #ffffff;
  --surface-subtle: #ffffff;
  --surface-border: rgba(17, 24, 39, 0.08);
  --surface-border-strong: rgba(17, 24, 39, 0.12);
  --text-main: #111827;
  --text-body: #374151;
  --text-muted: #6b7280;
  --brand: #2563eb;
  --brand-strong: #1d4ed8;
  --shadow-soft: 0 10px 30px rgba(17, 24, 39, 0.04);
  --radius-lg: 22px;
  --radius-md: 10px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--text-main);
  background: var(--page-bg);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--brand);
  transition: color 0.18s ease, opacity 0.18s ease;
}

a:hover {
  color: var(--brand-strong);
}

.hero {
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.94) 42%, rgba(250, 250, 250, 1) 100%);
}

.hero-body {
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
}

.navbar {
  padding: 0.5rem 0;
}

.navbar-start {
  gap: 0.2rem;
}

.navbar-item {
  color: var(--text-main);
}

.navbar-start > .navbar-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  min-height: 2.3rem;
  padding: 0 !important;
  border-radius: 999px;
}

.navbar-start > .navbar-item:hover {
  background: #f5f5f5;
}

.navbar-item .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.92rem;
}

.project-menu {
  position: relative;
  padding: 0 !important;
}

.project-menu summary {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  cursor: pointer;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.project-menu summary::-webkit-details-marker {
  display: none;
}

.project-menu summary:hover,
.project-menu[open] summary {
  background: #f5f5f5;
  border-color: var(--surface-border);
}

.project-menu-dropdown {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 50%;
  transform: translateX(-50%);
  min-width: 180px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
  padding: 0.28rem;
  z-index: 20;
}

.project-menu-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.82rem;
  line-height: 1.2;
  padding: 0.45rem 0.6rem;
  border-radius: 9px;
  white-space: nowrap;
}

.project-menu-logo {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  object-fit: contain;
}

.project-menu-meta {
  color: var(--text-muted);
  font-size: 0.74rem;
  white-space: nowrap;
}

.project-menu-dropdown a:hover {
  background: #f5f5f5;
  color: var(--text-main);
}

.pir-overview-grid,
.pir-method-grid,
.pir-results-grid,
.pir-summary-grid,
.pir-figure-grid,
.pir-mini-grid {
  display: grid;
  gap: 1rem;
}

.pir-overview-grid,
.pir-method-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pir-results-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1.25rem;
}

.pir-summary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pir-figure-grid,
.pir-mini-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pir-card,
.pir-stat,
.pir-table-wrap,
.pir-figure-frame,
.pir-inline-note {
  border: 1px solid var(--surface-border);
  border-radius: 16px;
  background: #fff;
}

.pir-card {
  padding: 1.15rem 1.2rem;
}

.pir-overview-grid .pir-card {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pir-card h3 {
  font-size: 1.05rem;
  font-weight: 650;
  margin-bottom: 0.45rem;
}

.pir-card p:last-child,
.pir-card ul:last-child {
  margin-bottom: 0;
}

.pir-card--figure {
  padding: 0.9rem;
}

.pir-problem-card {
  padding: 1.15rem 1.2rem 1rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pir-problem-card .title {
  margin-bottom: 0.75rem !important;
}

.pir-problem-card .content ul {
  margin-top: 0.75rem;
}

.pir-problem-summary {
  margin-top: 0.9rem;
  margin-bottom: 0 !important;
  color: var(--text-main);
  font-size: 0.96rem;
}

.pir-summary-list {
  margin-top: 0.85rem;
  margin-bottom: 0.85rem !important;
}

.pir-summary-list li {
  color: var(--text-body);
}

.pir-section-summary {
  margin-top: 0.9rem;
  margin-bottom: 0 !important;
  color: var(--text-main);
  font-size: 0.96rem;
}

.pir-card-tag {
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 650;
  margin-bottom: 0.65rem !important;
}

.pir-intro-split {
  text-align: left;
}

.pir-intro-split .title,
.pir-intro-split .content {
  text-align: left;
}

.pir-figure {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--surface-border);
}

.pir-figure-frame {
  padding: 0.95rem;
  margin-top: 1.1rem;
}

.pir-figure-frame--tight {
  margin-top: 0;
}

.pir-caption {
  margin-top: 0.55rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.pir-stat {
  padding: 1rem 0.9rem;
  text-align: center;
  min-height: 132px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.pir-stat-value {
  display: block;
  color: var(--brand);
  font-size: 1.7rem;
  font-weight: 720;
  letter-spacing: -0.04em;
}

.pir-stat-label {
  display: block;
  color: var(--text-body);
  font-size: 0.9rem;
  line-height: 1.45;
}

.pir-table-wrap {
  overflow-x: auto;
  padding: 0.35rem 0.5rem;
  margin-bottom: 1rem;
}

.pir-table-label {
  margin: 0.35rem 0 0.7rem;
  color: var(--text-main);
  font-size: 0.94rem;
  font-weight: 630;
}

.pir-table-image {
  display: block;
  width: 100%;
  height: auto;
}

.pir-table {
  margin-bottom: 0 !important;
}

.pir-table th,
.pir-table td {
  font-size: 0.92rem;
  vertical-align: middle;
}

.pir-table th {
  white-space: nowrap;
}

.pir-inline-note {
  padding: 0.95rem 1.1rem;
  color: var(--text-body);
  font-size: 0.96rem;
  line-height: 1.6;
}

.section {
  padding-top: 1.35rem;
  padding-bottom: 1.35rem;
}

.container.is-max-desktop {
  max-width: 1024px !important;
}

.section .container.is-max-desktop {
  background: var(--surface);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: none;
}

.section:nth-of-type(even) .container.is-max-desktop {
  background: var(--surface-subtle);
}

.section#BibTeX .container.is-max-desktop {
  background: var(--surface);
}

.footer .icon-link {
  font-size: 25px;
  color: #000;
}

.link-block a {
  margin-top: 5px;
  margin-bottom: 5px;
}

.link-block .button,
.button.is-dark {
  min-width: 120px;
  min-height: 2.75rem;
  padding-left: 1rem;
  padding-right: 1rem;
  background: #fff !important;
  color: var(--text-main) !important;
  border: 1px solid var(--surface-border-strong) !important;
  box-shadow: none !important;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: background-color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.link-block .button:hover,
.button.is-dark:hover {
  background: #f5f5f5 !important;
  border-color: rgba(17, 24, 39, 0.18) !important;
  transform: translateY(-1px);
}

.button .icon {
  color: var(--text-main);
}

.dnerf {
  font-variant: small-caps;
}

.teaser .hero-body {
  padding-top: 0;
  padding-bottom: 3rem;
}

.teaser {
  font-family: inherit;
}

.publication-identity {
  display: inline-flex;
  align-items: flex-start;
  justify-content: center;
  gap: 1rem;
  margin: 0 auto 1rem;
  max-width: 940px;
  text-align: left;
}

.publication-identity--badge {
  align-items: center;
  justify-content: center;
}

.publication-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 86px;
  height: 86px;
  border-radius: 24px;
  font-size: 1.55rem;
  font-weight: 750;
  letter-spacing: -0.04em;
  color: #fff;
  background: linear-gradient(135deg, #0f766e 0%, #2563eb 100%);
  box-shadow: 0 16px 40px rgba(37, 99, 235, 0.14);
  flex: 0 0 auto;
}

.publication-badge i {
  font-size: 1.95rem;
}

.publication-badge--pir {
  background: linear-gradient(135deg, #0f766e 0%, #2563eb 100%);
}

.publication-title {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  color: #111111;
  font-size: clamp(2rem, 4.2vw, 3.3rem) !important;
  font-weight: 620 !important;
  line-height: 1.1;
  letter-spacing: -0.035em;
  margin-bottom: 0 !important;
  text-wrap: balance;
  max-width: 840px;
  text-align: left;
}

.publication-identity--badge .publication-title {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.publication-banner {
  max-height: parent;
}

.publication-banner video {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  object-fit: fit;
}

.publication-authors {
  font-family: inherit;
  max-width: 960px;
  margin: 0 auto;
  color: var(--text-body);
  font-size: 1.03rem;
}

.publication-venue {
  color: var(--text-muted);
  width: fit-content;
  font-weight: 600;
}

.publication-awards {
  color: #b91c1c;
  width: fit-content;
  font-weight: 700;
}

.publication-authors a {
  color: var(--text-main) !important;
  font-weight: 600;
}

.publication-authors a:hover {
  color: var(--brand) !important;
  text-decoration: none;
}

.author-block {
  display: inline-block;
  margin: 0.1rem 0.16rem;
}

.author-block sup {
  margin-left: 0.14em;
  font-weight: 400;
}

.envelope-icon {
  width: 0.85em;
  height: 0.85em;
  display: inline-block;
  vertical-align: -0.12em;
}

.pub-footnote {
  margin-top: 0.55rem;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.publication-video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  border-radius: var(--radius-md) !important;
  box-shadow: none;
  border: 1px solid rgba(17, 24, 39, 0.05);
}

.publication-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.content,
.content p,
.content li {
  color: var(--text-body);
}

.content p,
.content li {
  font-size: 1.01rem;
}

.content strong,
.content b,
.title,
h1,
h2,
h3 {
  color: var(--text-main);
}

.title {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

.title.is-3,
.content h2.title {
  font-size: clamp(1.55rem, 2.1vw, 1.95rem) !important;
  font-weight: 650 !important;
  letter-spacing: -0.03em;
  margin-bottom: 1rem !important;
}

.content ul,
.content ol {
  margin-left: 1.15rem;
}

.content li + li {
  margin-top: 0.5rem;
}

.publication-body img,
.section img,
.publication-banner img {
  border-radius: var(--radius-md);
}

.section img {
  box-shadow: none;
}

.results-carousel {
  overflow: hidden;
}

.results-carousel .item {
  margin: 5px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.04);
  border-radius: var(--radius-sm);
  padding: 0;
  font-size: 0;
  background: transparent;
}

.results-carousel video {
  margin: 0;
}

.interpolation-panel {
  background: #f7f7f7;
  border: 1px solid rgba(17, 24, 39, 0.04);
  border-radius: var(--radius-md);
}

.interpolation-panel .interpolation-image {
  width: 100%;
  border-radius: 5px;
}

.interpolation-panel .slider {
  margin: 0 !important;
}

#interpolation-image-wrapper {
  width: 100%;
}

#interpolation-image-wrapper img {
  border-radius: 5px;
}

pre {
  background: #f5f5f5 !important;
  color: #1f2937;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.3rem !important;
  box-shadow: none;
  overflow-x: auto;
}

pre code {
  background: transparent !important;
  color: inherit !important;
  font-size: 0.93rem;
}

.bibtex-card {
  margin-top: 1rem;
}

.bibtex-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.bibtex-header .title {
  margin-bottom: 0 !important;
}

.bibtex-copy {
  appearance: none;
  border: 1px solid var(--surface-border-strong) !important;
  background: #f3f4f6 !important;
  color: var(--text-main) !important;
  border-radius: 10px !important;
  width: 2.4rem !important;
  height: 2.4rem !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 !important;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.bibtex-copy:hover {
  background: #e5e7eb !important;
  border-color: rgba(17, 24, 39, 0.18) !important;
  transform: translateY(-1px);
}

.bibtex-code {
  cursor: text;
  user-select: text;
  white-space: pre-wrap !important;
  word-break: break-word !important;
  overflow-wrap: anywhere !important;
  overflow-x: hidden !important;
}

.bibtex-code code {
  display: block;
  white-space: inherit !important;
  word-break: inherit !important;
  overflow-wrap: inherit !important;
}

@media screen and (max-width: 768px) {
  .publication-identity {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
  }

  .publication-badge {
    width: 68px;
    height: 68px;
    border-radius: 20px;
    font-size: 1.25rem;
  }

  .project-menu-dropdown {
    left: auto;
    right: 0;
    transform: none;
  }

  .hero-body {
    padding-top: 2.75rem;
    padding-bottom: 1.5rem;
  }

  .section {
    padding-top: 0.9rem;
    padding-bottom: 0.9rem;
  }

  .section .container.is-max-desktop {
    border-radius: 18px;
    padding: 1.25rem;
  }

  .publication-title {
    font-size: clamp(1.75rem, 7vw, 2.35rem) !important;
    text-align: center;
  }

  .publication-authors,
  .content p,
  .content li {
    font-size: 0.97rem;
  }

  .publication-links {
    display: grid;
    gap: 0.65rem;
  }

  .pir-overview-grid,
  .pir-method-grid,
  .pir-results-grid,
  .pir-summary-grid,
  .pir-figure-grid,
  .pir-mini-grid {
    grid-template-columns: 1fr;
  }

  .pir-intro-split,
  .pir-intro-split .title,
  .pir-intro-split .content {
    text-align: center;
  }

  .bibtex-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .link-block {
    display: block;
  }

  .link-block .button,
  .button.is-dark {
    width: 100%;
    min-width: 0;
  }
}