:root {
  --background: #fafaf8;
  --foreground: #1a1a1a;
  --muted: #f5f3f0;
  --muted-foreground: #6b6b6b;
  --accent: #b8860b;
  --accent-secondary: #d4a84b;
  --accent-foreground: #ffffff;
  --border: #e8e4df;
  --card: #ffffff;
  --ring: #b8860b;
  --rule: 1px solid #e8e4df;
  --shadow-sm: 0 1px 2px rgba(26, 26, 26, 0.04);
  --shadow-md: 0 4px 12px rgba(26, 26, 26, 0.06);
  --shadow-lg: 0 8px 24px rgba(26, 26, 26, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--foreground);
  font-family: "Source Sans 3", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  letter-spacing: 0.01em;
  line-height: 1.75;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(26, 26, 26, 0.035) 0.45px, transparent 0.45px);
  background-size: 3px 3px;
  opacity: 0.2;
  z-index: -2;
}

body::after {
  content: "";
  position: fixed;
  width: min(70vw, 760px);
  height: min(70vw, 760px);
  top: -18%;
  right: -14%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 134, 11, 0.08), rgba(184, 134, 11, 0));
  filter: blur(8px);
  pointer-events: none;
  z-index: -1;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

h1,
h2,
h3 {
  color: var(--foreground);
  font-family: "Playfair Display", "Bodoni MT", "Book Antiqua", Georgia, serif;
  font-weight: 500;
  margin: 0;
}

h1 {
  font-size: clamp(2.3rem, 7vw, 4.5rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-wrap: balance;
}

h2 {
  font-size: clamp(1.9rem, 4.5vw, 2.5rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
}

h3 {
  margin: 2.1rem 0 0.85rem;
  font-size: 1.35rem;
  line-height: 1.3;
}

p,
li,
figcaption,
.table {
  color: var(--foreground);
}

a {
  color: var(--accent);
  text-underline-offset: 4px;
}

a:hover {
  color: var(--accent-secondary);
}

hr {
  border: 0;
  border-top: var(--rule);
  margin: 0;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

figure {
  margin: 0;
}

figcaption {
  margin-top: 0.75rem;
  color: var(--muted-foreground);
  font-size: 0.95rem;
}

.hero {
  padding: 4.2rem 0 3.6rem;
  text-align: center;
}

.hero-kicker {
  margin: 0 0 0.85rem;
  color: var(--accent);
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.authors {
  margin: 1rem auto 1.6rem;
  color: var(--muted-foreground);
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1.2rem;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-foreground);
  text-decoration: none;
  font-family: "Source Sans 3", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  touch-action: manipulation;
  box-shadow: var(--shadow-sm);
  transition: background-color 200ms ease-out, border-color 200ms ease-out, color 200ms ease-out,
    box-shadow 200ms ease-out, transform 200ms ease-out;
}

.btn:hover {
  background: var(--accent-secondary);
  border-color: var(--accent-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--ring), 0 0 0 5px rgba(184, 134, 11, 0.18);
}

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

.btn-outline:hover {
  background: var(--muted);
  color: var(--accent);
  border-color: var(--accent);
}

.content-section {
  padding: 3.4rem 0;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 0.8rem;
}

.section-label span {
  height: 1px;
  background: var(--border);
  flex: 1;
}

.section-label p {
  margin: 0;
  color: var(--accent);
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  white-space: nowrap;
}

.lead {
  max-width: 75ch;
  color: var(--foreground);
}

.panel {
  background: var(--card);
  border: var(--rule);
  border-top: 2px solid var(--accent);
  border-radius: 8px;
  padding: 0.8rem;
  box-shadow: var(--shadow-sm);
}

.dataset-layout {
  display: grid;
  gap: 1.1rem;
}

.dataset-table,
.table.dataset-table {
  min-width: 0;
  table-layout: auto;
  white-space: normal;
}

.dataset-table th,
.dataset-table td {
  text-align: center;
  padding: 0.6rem 0.4rem;
  overflow-wrap: normal;
  word-break: keep-all;
}

.dataset-samples {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dataset-samples img {
  width: 100%;
  border-radius: 6px;
}

.pipeline-wrap {
  margin-bottom: 1.3rem;
}

.pipeline,
.pipeline-sub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.pipeline-sub {
  margin-top: 0.65rem;
  margin-left: 0.35rem;
}

.node {
  background: linear-gradient(145deg, #ffffff, #fcfbf8);
  border: var(--rule);
  border-top: 2px solid var(--accent);
  color: var(--foreground);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  box-shadow: var(--shadow-sm);
  font-family: "Source Sans 3", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.node.small {
  font-size: 0.93rem;
  font-weight: 500;
}

.arrow {
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 700;
}

.method-text p {
  margin: 0.7rem 0;
}

.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  border: var(--rule);
  min-width: 560px;
  background: var(--card);
}

.table thead {
  background: #f7f4ef;
}

.table th,
.table td {
  text-align: left;
  padding: 0.66rem 0.75rem;
  border-bottom: var(--rule);
}

.table th {
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.73rem;
  letter-spacing: 0.1em;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--muted-foreground);
}

.table tbody tr:nth-child(even) {
  background: #fcfbf9;
}

.table tbody tr:hover {
  background: #f4efe4;
}

.best {
  color: #2f7a3d;
  font-weight: 700;
}

.second-best {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  font-weight: 600;
}

.third-best {
  font-style: italic;
  font-weight: 500;
}

.qualitative-grid {
  display: grid;
  gap: 1rem;
}

.qual-row {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.qual-scene-title {
  grid-column: 1 / -1;
  margin: 0;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 1rem;
}

.qual-card {
  border: var(--rule);
  border-top: 2px solid var(--accent);
  border-radius: 8px;
  background: var(--card);
  box-shadow: var(--shadow-sm);
  padding: 0.65rem;
}

.qual-card h4 {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
}

.qual-preview-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.qual-result p {
  margin: 0 0 0.48rem;
  color: var(--muted-foreground);
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.qual-card img {
  width: 100%;
  transition: transform 200ms ease-out, box-shadow 200ms ease-out;
}

.qual-zoom {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.qual-zoom:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.qual-card:hover img {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

.teaser-grid {
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.teaser-grid > :nth-child(1) { grid-column: span 2; }
.teaser-grid > :nth-child(2) { grid-column: span 2; }
.teaser-grid > :nth-child(3) { grid-column: span 2; }
.teaser-grid > :nth-child(4) { grid-column: span 3; }
.teaser-grid > :nth-child(5) { grid-column: span 3; }

.teaser-zoom {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
  text-align: left;
}

.teaser-card {
  margin: 0;
  border: var(--rule);
  border-radius: 6px;
  background: var(--muted);
  padding: 0.45rem;
}

.teaser-card img {
  width: 100%;
  border-radius: 4px;
}

.teaser-card figcaption {
  margin-top: 0.4rem;
  color: var(--muted-foreground);
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.teaser-caption {
  margin-top: 0.75rem;
  text-align: center;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  z-index: 1000;
}

.lightbox[hidden] {
  display: none !important;
}

.lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  object-fit: contain;
}

.lightbox-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
  gap: 1rem;
  width: min(94vw, 1500px);
}

.lightbox-pair[hidden] {
  display: none !important;
}

.lightbox-pair figure {
  min-width: 0;
  margin: 0;
  text-align: center;
}

.lightbox-pair img {
  max-width: 100%;
  max-height: 76vh;
}

.lightbox-pair figcaption {
  margin-top: 0.45rem;
  color: #f5f3f0;
}

.lightbox figcaption {
  color: #f5f3f0;
  font-size: 0.95rem;
}

.lightbox-close {
  position: absolute;
  top: 1.2rem;
  right: 1.5rem;
  background: transparent;
  border: 0;
  color: #f5f3f0;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}

.latest-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 0.9rem;
}

.links {
  margin: 0;
  padding-left: 1.2rem;
}

.bibtex-wrap {
  overflow-x: auto;
}

.bibtex {
  margin: 0;
  padding: 0.9rem 1rem;
  overflow-x: auto;
  background: var(--muted);
  border-radius: 6px;
  font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre;
}

.links li {
  margin: 0.5rem 0;
}

.notice {
  color: var(--muted-foreground);
  font-size: 0.92rem;
}

@media (max-width: 880px) {
  .table {
    min-width: 0;
  }

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

@media (max-width: 760px) {
  .page {
    padding: 20px 14px 38px;
  }

  .hero {
    padding-top: 3rem;
    padding-bottom: 2.6rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .content-section {
    padding: 2.4rem 0;
  }

  .section-label {
    gap: 0.5rem;
  }

  .qual-row {
    grid-template-columns: 1fr;
  }

  .lightbox-pair {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    max-height: 88vh;
    overflow-y: auto;
  }

  .lightbox-pair img {
    max-height: 38vh;
  }

  .latest-grid {
    grid-template-columns: 1fr;
  }

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

  .teaser-grid > :nth-child(n) {
    grid-column: span 1;
  }

  .teaser-grid > :nth-child(5) {
    grid-column: span 2;
  }

  .table-wrap {
    padding-bottom: 0.2rem;
  }

  .table {
    white-space: nowrap;
    min-width: 620px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}