:root {
  --bg: #f6ede2;
  --bg-soft: #f2dfc7;
  --bg-warm: #f9e7d1;
  --card: #fffaf3;
  --card-2: #f4e6d5;
  --line: #d9c4aa;
  --line-strong: #caa989;
  --text: #38455d;
  --muted: #6f7b8d;
  --accent: #38455d;
  --accent-strong: #263247;
  --accent-soft: #ead8c3;
  --shadow: 5px 5px 0 rgba(56, 69, 93, 0.14);
  --grid: linear-gradient(to right, rgba(56, 69, 93, 0.10) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 69, 93, 0.10) 1px, transparent 1px);
}

* {
  box-sizing: border-box;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  z-index: 10000;
  padding: 10px 16px;
  background: var(--accent-strong);
  color: var(--bg-warm);
  text-decoration: none;
  border-radius: 4px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
  outline: 2px solid var(--bg-warm);
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top center, rgba(255, 250, 243, 0.92), transparent 32%),
    var(--bg);
  font-family: Consolas, "SF Mono", Menlo, "Liberation Mono", monospace;
  line-height: 1.6;
  padding-top: 66px;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-color: rgba(56, 69, 93, 0.35);
  text-underline-offset: 0.22em;
}

a:hover {
  text-decoration-thickness: 2px;
}

.page-shell {
  padding: 18px;
}

.site-header,
.article-layout,
.hero {
  max-width: 1260px;
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  max-width: none;
  margin: 0;
  padding: 8px 18px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--bg) 96%, transparent), color-mix(in srgb, var(--bg) 72%, transparent));
  backdrop-filter: blur(8px);
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 50px;
  max-width: 1260px;
  margin: 0 auto;
}

.brand,
h1,
h2,
h3,
h4 {
  font-family: Georgia, serif;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 1;
}

.brand-logo {
  width: clamp(89px, 10.8vw, 132px);
  height: auto;
  flex: 0 0 auto;
  object-fit: contain;
}

.brand-wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  transform: scaleY(0.85);
  transform-origin: center;
}

.brand-dex {
  font-family: Verdana, sans-serif;
  font-weight: 700;
  letter-spacing: -0.08em;
}

.brand-joco {
  font-family: Tahoma, sans-serif;
  font-weight: 400;
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  font-size: 0.9rem;
  color: color-mix(in srgb, var(--muted) 90%, white);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover {
  color: var(--accent-strong);
  transform: translateY(-1px);
}

.hero {
  margin-bottom: 56px;
}

.intro-block,
.prose {
  max-width: 920px;
  margin-left: auto;
  margin-right: auto;
}

.eyebrow,
.task-label,
.hero-chip {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.article-head h1 {
  margin: 0 0 16px;
  font-size: clamp(2rem, 4vw, 3.45rem);
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 400;
}

.dek {
  max-width: 850px;
  margin: 0 0 30px;
  color: var(--muted);
  font-size: clamp(1rem, 1.9vw, 1.16rem);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0 0 28px;
  padding: 0;
}

.meta-grid div {
  min-height: 100%;
  padding: 14px 16px;
  background: var(--card-2);
  border: 1px solid color-mix(in srgb, var(--line) 88%, var(--line-strong));
}



.meta-grid dd {
  margin: 0;
}



.meta-grid .authors {
  grid-column: 1 / -1;
}

.meta-grid .authors dd {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.author-list,
.affiliation-list,
.author-notes {
  display: block;
}

.author-list {
  color: var(--text);
}

.affiliation-list,
.author-notes {
  color: var(--muted);
  font-size: 0.92rem;
}

.meta-grid .resource-card dd {
  font-size: 1.02rem;
}



.meta-grid dd a {
  display: inline-flex;
  align-items: center;
  gap: 0.22em;
  padding: 2px 6px;
  margin-left: -6px;
  border-radius: 999px;
  color: color-mix(in srgb, var(--text) 92%, white);
  text-decoration: none;
  transition: color 0.2s ease, transform 0.2s ease;
}

.meta-grid dd a::after {
  content: "\2197";
  font-size: 0.82em;
  transform: translateY(-0.06em);
  transition: transform 0.2s ease;
}

.meta-grid dd a:hover {
  background: color-mix(in srgb, var(--card) 82%, var(--card-2));
  color: var(--text);
  transform: translateY(-1px);
}

.meta-grid dd a:hover::after {
  transform: translate(1px, -0.16em);
}

.coming-soon-toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  z-index: 20;
  padding: 10px 16px;
  border: 1px solid color-mix(in srgb, var(--line-strong) 84%, var(--accent));
  border-radius: 999px;
  background: color-mix(in srgb, var(--card) 90%, white);
  color: var(--text);
  box-shadow: 0 14px 36px rgba(48, 58, 76, 0.2);
  font-size: 0.94rem;
  font-weight: 700;
  opacity: 0;
  transform: translate(-50%, 10px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.coming-soon-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.hero-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 22px;
  background: var(--accent-strong);
  box-shadow: 0 18px 44px rgba(56, 69, 93, 0.24);
}

.hero-media::after {
  content: "↗";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(56, 69, 93, 0.05), rgba(38, 50, 71, 0.62));
}

.hero-media-video::after {
  display: none;
}

.hero-media img,
.hero-media video {
  width: 100%;
  min-height: 320px;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 26px;
  z-index: 1;
  max-width: 520px;
  color: var(--bg-warm);
}

.hero-overlay strong {
  display: block;
  margin: 10px 0 6px;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
}

.hero-chip {
  display: inline-flex;
  padding: 7px 10px;
  color: var(--bg-warm);
  background: var(--accent-strong);
}

.article-layout {
  display: grid;
  gap: 42px;
}

.prose h2 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 3vw, 2.75rem);
  line-height: 1.08;
  font-weight: 600;
}

.prose p {
  margin: 0 0 16px;
}

.thumb-showcase {
  display: grid;
  gap: 20px;
}

.thumb-row-block {
  padding: 18px;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--card) 88%, transparent), color-mix(in srgb, var(--card-2) 92%, transparent));
  border: 1px solid color-mix(in srgb, var(--line) 86%, var(--line-strong));
  box-shadow: 0 16px 34px rgba(56, 69, 93, 0.08);
}

.thumb-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.thumb-row-head .task-label {
  margin: 0;
}

.thumb-carousel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}

.thumb-viewport {
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
}

.thumb-viewport::-webkit-scrollbar {
  display: none;
}

.thumb-rail {
  display: flex;
  gap: 16px;
}

.thumb-arrow {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--card) 88%, white);
  color: var(--accent-strong);
  font: inherit;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, opacity 0.2s ease;
}

.thumb-arrow:hover:not(:disabled) {
  transform: translateY(-1px);
  background: var(--accent-strong);
  color: var(--bg-warm);
}

.thumb-arrow:disabled {
  opacity: 0.35;
  cursor: default;
  box-shadow: none;
}

.thumb-card,
.vision-card,
.task-panel,
.output-column,
.stage-card,
.scoreboard,
.toolkit-note,
.gallery-grid img {
  background: var(--card);
  border: 1px solid var(--line);
}

.thumb-card {
  flex: 0 0 calc((100% - 32px) / 3);
  overflow: hidden;
  box-shadow: 0 12px 26px rgba(56, 69, 93, 0.10);
  scroll-snap-align: start;
}

.thumb-card img,
.thumb-card video {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.thumb-card h3,
.thumb-card p {
  padding-left: 16px;
  padding-right: 16px;
}

.thumb-card h3 {
  margin: 14px 0 6px;
  font-size: 1.25rem;
}

.thumb-card p {
  margin: 0 0 16px;
  color: var(--muted);
}

.toolkit-card {
  padding: 22px;
  background:
    var(--grid),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-soft) 82%, var(--bg-warm)), var(--card-2));
  background-size: 16px 16px;
  border: 1px solid var(--line-strong);
  box-shadow: inset 0 0 0 1px rgba(255, 250, 243, 0.55);
}

.toolkit-note {
  max-width: 490px;
  margin-bottom: 18px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.toolkit-note p {
  margin: 0;
  font-size: 0.92rem;
}

.toolkit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.stage-card {
  position: relative;
  min-height: 132px;
  padding: 18px 18px 18px 74px;
  box-shadow: var(--shadow);
}

.stage-card h3 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.stage-card p {
  margin: 0;
  color: var(--muted);
}

.stage-card-wide {
  grid-column: 1 / -1;
  padding: 22px;
}

.stage-topline {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.stage-topline h3 {
  margin: 0;
}

.stage-index {
  position: absolute;
  top: 18px;
  left: 18px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: var(--bg-warm);
  font-size: 0.92rem;
}

.stage-card-wide .stage-index {
  position: static;
  flex: 0 0 auto;
}

.robot-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.robot-grid figure {
  position: relative;
  margin: 0;
  padding: 16px 12px 14px;
  min-height: 230px;
  background: color-mix(in srgb, var(--card) 82%, transparent);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: 0 10px 22px rgba(56, 69, 93, 0.08);
}

.robot-grid img {
  width: 100%;
  height: 146px;
  object-fit: contain;
}

.robot-grid figcaption {
  margin-top: 14px;
  font-size: 0.88rem;
  color: var(--accent-strong);
  line-height: 1.35;
}

.device-card {
  overflow: hidden;
}

.device-count {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 78px;
  padding: 6px 10px;
  background: rgba(38, 50, 71, 0.92);
  color: var(--bg-warm);
  border: 1px solid rgba(249, 231, 209, 0.22);
  box-shadow: 3px 3px 0 rgba(56, 69, 93, 0.14);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.outputs-panel {
  margin-top: 18px;
  padding: 20px;
  background: var(--accent-strong);
  color: #fffaf3;
}

.outputs-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(249, 231, 209, 0.24);
}

.outputs-header span {
  color: rgba(249, 231, 209, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
}

.output-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.output-column {
  padding: 16px 18px;
  background: rgba(249, 231, 209, 0.08);
  border-color: rgba(249, 231, 209, 0.16);
}

.output-column h4 {
  margin: 0 0 10px;
  font-size: 1.18rem;
}

.output-column ul {
  margin: 0;
  padding-left: 18px;
}

.vision-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.vision-card {
  padding: 12px;
}

.vision-card img,
.vision-card video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  margin-bottom: 12px;
}

.vision-card h3 {
  margin: 0 0 8px;
  font-size: 1.16rem;
}

.vision-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.task-showcase {
  display: grid;
  gap: 16px;
}

.task-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  overflow: hidden;
}

.task-copy {
  padding: 24px;
}

.task-panel h3 {
  margin: 0 0 10px;
  font-size: 2rem;
  line-height: 1.05;
}

.task-panel p:last-child {
  margin-bottom: 0;
}

.task-panel img,
.task-panel video {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

video:fullscreen,
video:-webkit-full-screen {
  width: 100vw;
  height: 100vh;
  min-height: 0;
  object-fit: contain;
  background: #000;
}

.evaluation-block {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 430px);
  gap: 28px;
  align-items: start;
}

.scoreboard {
  padding: 20px;
  box-shadow: var(--shadow);
}

.score-row + .score-row {
  margin-top: 18px;
}

.score-row {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr) 72px;
  align-items: center;
  gap: 12px;
}

.score-name {
  font-size: 0.85rem;
}

.score-bar {
  overflow: hidden;
  height: 12px;
  background: var(--accent-soft);
}

.score-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-strong), var(--accent));
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.8fr 0.8fr 1.15fr;
  gap: 16px;
}

.gallery-grid img {
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.citation-block {
  padding-bottom: 48px;
}

.citation-card {
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.citation-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 18px;
  margin-bottom: 18px;
}

.citation-head h2 {
  margin: 4px 0 0;
}

.copy-button {
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  background: var(--card-2);
  color: var(--text);
  font: inherit;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.copy-button:hover {
  background: color-mix(in srgb, var(--card) 82%, var(--card-2));
  transform: translateY(-1px);
}

.citation-note {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
}

.bibtex-block {
  margin: 0;
  padding: 16px;
  max-width: 100%;
  overflow-x: auto;
  background: color-mix(in srgb, var(--card-2) 76%, white);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre;
}

.bibtex-block code {
  font-family: Consolas, monospace;
}

.contact-block {
  padding-bottom: 48px;
}

@media (max-width: 1100px) {
  .vision-strip,
  .gallery-grid,
  .robot-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .evaluation-block,
  .task-panel,
  .output-columns,
  .meta-grid,
  .toolkit-grid {
    grid-template-columns: 1fr;
  }

  .outputs-header,
  .top-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .thumb-card {
    flex-basis: calc((100% - 16px) / 2);
  }

  .citation-head {
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 14px;
  }

  .hero-overlay {
    left: 18px;
    right: 18px;
    bottom: 18px;
  }

  .site-nav {
    width: auto;
  }

  .vision-strip,
  .gallery-grid,
  .robot-grid {
    grid-template-columns: 1fr;
  }

  .toolkit-card,
  .thumb-row-block,
  .scoreboard,
  .task-copy,
  .citation-card {
    padding-left: 16px;
    padding-right: 16px;
  }

  .thumb-carousel {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .thumb-arrow {
    display: none;
  }

  .thumb-card {
    flex-basis: 88%;
  }

  .citation-head {
    flex-direction: column;
  }

  .task-panel img {
    min-height: 210px;
  }

  .stage-card {
    padding-left: 18px;
    padding-top: 72px;
  }
}