:root {
  --page-width: 1040px;
  --ink: #171512;
  --muted: #666059;
  --line: #ddd6cb;
  --line-strong: #c8beb0;
  --bg: #f8f5ef;
  --paper: #fffdf9;
  --shadow: 0 10px 24px rgba(23, 21, 18, 0.05);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(123, 103, 72, 0.06), transparent 28rem),
    linear-gradient(180deg, #fbf9f4 0%, var(--bg) 100%);
  font-family:
    "Inter",
    "Avenir Next",
    "Segoe UI",
    sans-serif;
  text-rendering: optimizeLegibility;
}

.page {
  width: min(calc(100% - 2rem), var(--page-width));
  margin: 0 auto;
  padding: 3.25rem 0 5rem;
}

.paper-header {
  padding: 0 0 1.4rem;
  text-align: center;
}

.paper-links {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-top: 1.2rem;
  padding: 0.6rem 1.2rem;
  background: rgba(245, 243, 238, 0.9);
  border: 1px solid rgba(23, 21, 18, 0.08);
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.paper-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  transition: background 0.15s;
}

.paper-link-btn:hover {
  background: rgba(23, 21, 18, 0.07);
}

.paper-title {
  margin: 0 auto;
  font-family:
    "Inter",
    "Avenir Next",
    "Segoe UI",
    sans-serif;
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 500;
  text-wrap: balance;
}

.paper-title-main,
.paper-title-sub {
  display: block;
}

.paper-title-main {
  font-size: clamp(2.7rem, 4.3vw, 4.4rem);
}

.paper-title-sub {
  margin-top: 0.35rem;
  font-size: clamp(1.45rem, 2.2vw, 2.2rem);
  line-height: 1.08;
  color: var(--muted);
}

.paper-link-row {
  margin-top: 1rem;
}

.paper-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.48rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.86);
  color: var(--ink);
  font-size: 0.98rem;
  text-decoration: none;
  transition:
    border-color 160ms ease,
    background 160ms ease;
}

.paper-button:hover,
.paper-button:focus-visible {
  border-color: var(--line-strong);
  background: #f3ede3;
  outline: none;
}

.paper-authors {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 1.4rem;
  margin: 1.5rem 0 0;
  font-size: 1.18rem;
  font-weight: 500;
}

.author {
  position: relative;
  color: #2563c9;
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.author:hover,
.author:focus-visible {
  color: #1d4ea3;
  border-bottom-color: #1d4ea3;
  outline: none;
}

.paper-affil {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 500;
}

.paper-venue {
  display: block;
  width: fit-content;
  margin: 0.85rem auto 0;
  padding: 0.22rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.86);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.teaser-caption {
  max-width: 46rem;
  margin: 1.1rem auto 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.6;
  text-align: center;
  text-wrap: pretty;
}

.bibtex-block {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1.2rem 1.5rem;
  border: 1px solid rgba(23, 21, 18, 0.08);
  border-radius: 14px;
  background: rgba(245, 243, 238, 0.9);
  box-shadow: var(--shadow);
  font-family: monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-x: auto;
  text-align: left;
}

.tldr-text {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1rem 1.4rem;
  border: 1px solid rgba(23, 21, 18, 0.08);
  border-radius: 14px;
  background: rgba(255, 253, 249, 0.72);
  box-shadow: var(--shadow);
  font-size: 1.06rem;
  line-height: 1.7;
  text-align: center;
  text-wrap: pretty;
  color: var(--ink);
}

.abstract-block {
  max-width: 52rem;
  margin: 0 auto;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(23, 21, 18, 0.08);
  border-radius: 14px;
  background: rgba(255, 253, 249, 0.72);
  box-shadow: var(--shadow);
  text-align: center;
}

.abstract-title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  margin: 0 auto;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.86);
  font-size: 0.82rem;
  line-height: 1.3;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
}

.abstract-title::-webkit-details-marker {
  display: none;
}

.abstract-title::after {
  content: "+";
  font-size: 0.95rem;
  color: var(--muted);
}

.abstract-block[open] .abstract-title::after {
  content: "\2212";
}

.abstract-text {
  margin: 0.85rem 0 0;
  font-size: 1.02rem;
  line-height: 1.72;
  color: var(--ink);
  text-wrap: pretty;
}

.section {
  margin-top: 0.4rem;
  padding-top: 2.85rem;
  border-top: 1px solid var(--line);
}

.section:first-of-type {
  border-top: 0;
  padding-top: 0.75rem;
  margin-top: 0;
}

.section-title {
  margin: 0 0 0.45rem;
  font-family:
    "Inter",
    "Avenir Next",
    "Segoe UI",
    sans-serif;
  font-size: clamp(1.8rem, 2.4vw, 2.65rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 700;
  text-wrap: balance;
}

.section-text {
  max-width: 46rem;
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.65;
}

.scene-block + .scene-block {
  margin-top: 2.15rem;
}

.scene-title {
  margin: 0 0 0.9rem;
  font-size: 1.08rem;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
}

.video-grid {
  display: grid;
  gap: 1.15rem;
}

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

.video-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.video-grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 1.15rem 1.5rem;
  align-items: start;
}

.split-left {
  height: 100%;
  display: flex;
  align-items: center;
}

.split-right {
  display: grid;
  gap: 1.15rem;
}

.video-item {
  min-width: 0;
}

.video-label {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.video-item video,
.baseline-shell video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 1px solid rgba(23, 21, 18, 0.08);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

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

.carousel-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.carousel-button,
.baseline-tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 249, 0.86);
  color: var(--muted);
  font-family: inherit;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    color 160ms ease,
    background 160ms ease;
}

.carousel-button:hover,
.carousel-button:focus-visible,
.baseline-tab:hover,
.baseline-tab:focus-visible {
  color: var(--ink);
  border-color: var(--line-strong);
  outline: none;
}

.carousel-button {
  padding: 0.42rem 0.82rem;
}

.carousel-dots {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  min-width: 3.8rem;
  justify-content: center;
}

.carousel-dot {
  width: 0.42rem;
  height: 0.42rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(102, 96, 89, 0.26);
  cursor: pointer;
  transition:
    transform 160ms ease,
    background 160ms ease;
}

.carousel-dot:hover,
.carousel-dot:focus-visible {
  background: rgba(102, 96, 89, 0.46);
  outline: none;
}

.carousel-dot.is-active {
  background: var(--ink);
  transform: scale(1.12);
}

.carousel-viewport {
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 240ms ease;
}

.carousel-slide {
  min-width: 100%;
}

.baseline-shell {
  display: grid;
  gap: 0.6rem;
}

.baseline-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.baseline-tab {
  padding: 0.32rem 0.72rem;
}

.baseline-tab.is-active {
  color: var(--ink);
  border-color: var(--line-strong);
  background: #f3ede3;
}

.matrix-block + .matrix-block {
  margin-top: 1.9rem;
}

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

.preference-matrix {
  width: 100%;
  min-width: 760px;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.98rem;
}

.preference-matrix th,
.preference-matrix td {
  padding: 0.85rem 0.95rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  text-align: center;
}

.preference-matrix thead th {
  font-weight: 600;
  color: var(--ink);
  background: rgba(255, 253, 249, 0.92);
}

.preference-matrix tbody th {
  font-weight: 600;
  text-align: left;
  white-space: nowrap;
  background: rgba(255, 253, 249, 0.92);
}

.preference-matrix tr th:first-child,
.preference-matrix tr td:first-child {
  border-left: 1px solid var(--line);
}

.preference-matrix thead tr:first-child th {
  border-top: 1px solid var(--line);
}

.preference-matrix thead th:first-child {
  border-top-left-radius: 12px;
}

.preference-matrix thead th:last-child {
  border-top-right-radius: 12px;
}

.preference-matrix tbody tr:last-child th:first-child {
  border-bottom-left-radius: 12px;
}

.preference-matrix tbody tr:last-child td:last-child {
  border-bottom-right-radius: 12px;
}

.matrix-diagonal {
  color: var(--muted);
  background: rgba(221, 214, 203, 0.3);
}

.matrix-cell {
  font-variant-numeric: tabular-nums;
}

.matrix-high {
  background: rgba(56, 116, 83, calc(0.12 + (var(--matrix-alpha) * 0.22)));
}

.matrix-mid {
  background: rgba(170, 130, 62, calc(0.10 + (var(--matrix-alpha) * 0.16)));
}

.matrix-neutral {
  background: rgba(113, 111, 107, 0.12);
}

.matrix-low {
  background: rgba(154, 92, 84, calc(0.10 + ((1 - var(--matrix-alpha)) * 0.14)));
}

@media (max-width: 860px) {
  .split-layout,
  .video-grid.cols-2,
  .video-grid.cols-3,
  .video-grid.cols-4 {
    grid-template-columns: 1fr;
  }

  .split-left {
    display: block;
  }

  .page {
    width: min(calc(100% - 1rem), var(--page-width));
    padding: 2rem 0 3.5rem;
  }

  .paper-header {
    padding-bottom: 2.25rem;
  }

  .section {
    padding-top: 2.3rem;
  }
}