:root {
  color-scheme: dark;
  --bg: #070b12;
  --bg-soft: #0e1624;
  --bg-elevated: #111c2d;
  --text: #e8eef8;
  --muted: #9fb0c7;
  --line: rgba(148, 163, 184, 0.22);
  --brand: #38bdf8;
  --brand-dark: #7dd3fc;
  --brand-contrast: #06131f;
  --card: rgba(17, 28, 45, 0.86);
  --card-solid: #111c2d;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.35);
  --radius: 22px;
  --best-bg: rgba(45, 212, 191, 0.18);
  --best-border: rgba(45, 212, 191, 0.42);
  --best-text: #99f6e4;
  --second-bg: rgba(251, 191, 36, 0.16);
  --second-border: rgba(251, 191, 36, 0.38);
  --second-text: #fde68a;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --bg-elevated: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #0ea5e9;
  --brand-dark: #0369a1;
  --brand-contrast: #ffffff;
  --card: #ffffff;
  --card-solid: #ffffff;
  --shadow: 0 18px 50px rgba(15, 23, 42, 0.10);
  --best-bg: #d9fbef;
  --best-border: #79e6c7;
  --best-text: #075e54;
  --second-bg: #fff3c4;
  --second-border: #f3cf63;
  --second-text: #774a05;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  padding-top: 3.25rem;
}
a { color: var(--brand-dark); }
code, pre, .bibtex { font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace; }

.site-nav {
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 84%, transparent) !important;
}
.site-nav .navbar-menu,
.site-nav .navbar-start,
.site-nav .navbar-end { background: transparent !important; }
.site-nav .navbar-item { color: var(--muted) !important; font-weight: 650; }
.site-nav .navbar-item:hover,
.site-nav .navbar-item:focus { color: var(--text) !important; background: color-mix(in srgb, var(--brand) 10%, transparent) !important; }
.brand-mark { font-weight: 800; letter-spacing: -0.03em; color: var(--text) !important; }
.theme-toggle {
  border: 0;
  background: transparent;
  cursor: pointer;
  border-radius: 999px;
}
.navbar-burger { color: var(--text); }
.navbar-burger span { background-color: var(--text); }

.section-pad { padding: 5rem 1.5rem; }
.compact-top { padding-top: 1.2rem; }
.alt-bg { background: var(--bg-soft); }
.hero-gradient {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: 4.2rem;
  padding-bottom: 1.4rem;
  background:
    radial-gradient(circle at 20% 12%, color-mix(in srgb, var(--brand) 22%, transparent), transparent 34%),
    radial-gradient(circle at 82% 8%, rgba(34,197,94,0.16), transparent 32%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg-soft) 58%, var(--bg)) 0%, var(--bg) 100%);
}
.eyebrow {
  display: inline-flex;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brand-dark);
  font-weight: 750;
  font-size: 0.85rem;
  background: color-mix(in srgb, var(--card-solid) 78%, transparent);
  box-shadow: 0 8px 24px rgba(14, 165, 233, 0.10);
}
.main-title {
  max-width: 1120px;
  margin: 0.95rem auto 0.8rem;
  font-size: clamp(2.05rem, 3.2vw, 4.35rem);
  line-height: 1.02;
  font-weight: 700;
  letter-spacing: -0.065em;
}
.main-title span { color: var(--brand-dark); }
.authors { margin-top: 0.95rem; font-size: 1.08rem; color: var(--text); }
.author-block { display: inline-block; margin: 0 0.25rem; }
.author-sep { color: color-mix(in srgb, var(--muted) 58%, transparent); }
.affiliations { color: var(--muted); margin-top: 0.55rem; font-weight: 550; }
.venue-line { margin: 0.85rem auto 0; font-size: 0.95rem; }
.venue-line a, .venue-line span {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--best-text);
  border: 1px solid var(--best-border);
  background: var(--best-bg);
  border-radius: 999px;
  padding: 0.48rem 0.8rem;
  font-weight: 750;
}
.button-row {
  margin: 1.05rem auto 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.project-button {
  color: var(--text) !important;
  background: var(--card-solid) !important;
  border-color: var(--line) !important;
  font-weight: 750;
}
.project-button:hover { border-color: var(--brand) !important; color: var(--brand-dark) !important; }
.button.is-disabled { opacity: 0.55; pointer-events: none; }
.tagline {
  max-width: 820px;
  margin: 0.95rem auto 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.section-heading { margin-bottom: 2.2rem; }
.section-heading.centered { text-align: center; }
.section-heading.compact { margin-bottom: 1.1rem; }
.section-heading h2 {
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  margin-bottom: 0.65rem;
  color: var(--text);
}
.section-heading.compact h2 { font-size: clamp(1.35rem, 2.2vw, 1.9rem); }
.section-heading p, .subsection-note, .caption, .widget-head p, .table-card p {
  color: var(--muted);
  line-height: 1.65;
}
.paper-text {
  font-size: 1.05rem;
  line-height: 1.78;
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
  text-align: justify;
}
.paper-text p + p { margin-top: 1.1rem; }

.media-frame {
  border-radius: var(--radius);
  overflow: hidden;
  background: color-mix(in srgb, var(--card-solid) 74%, #64748b);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.natural-media img, .simple-video {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}
.natural-media .placeholder-media { min-height: 340px; }
.hero-media { max-width: 1180px; margin: 0 auto; }
.centered-caption { max-width: 950px; margin: 1rem auto 0; text-align: center; }
.caption { font-size: 0.95rem; }

.card-grid { display: grid; gap: 1rem; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card, .widget-card, .table-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.13);
}
.info-card { padding: 1.35rem; }
.card-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: color-mix(in srgb, var(--brand) 16%, transparent);
  color: var(--brand-dark);
  margin-bottom: 1rem;
}
.info-card h3 { font-weight: 800; font-size: 1.05rem; margin-bottom: 0.55rem; letter-spacing: -0.02em; color: var(--text); }
.info-card p { color: var(--muted); line-height: 1.58; font-size: 0.94rem; }

.subsection-block + .subsection-block { margin-top: 3.8rem; }
.stacked-widgets { display: grid; gap: 1.25rem; margin-top: 1.4rem; }
.widget-card { padding: 1.1rem; }
.widget-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.widget-head h4 { font-weight: 800; font-size: 1.18rem; letter-spacing: -0.03em; margin-bottom: 0.2rem; color: var(--text); }
.widget-head .note { font-size: 0.9rem; margin-top: 0.35rem; color: var(--second-text); }
.meta-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
  max-width: 620px;
}
.meta-chips span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--card-solid) 76%, transparent);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.32rem 0.62rem;
  font-size: 0.78rem;
  white-space: nowrap;
}
.meta-chips b { color: var(--text); font-weight: 750; }
.widget-controls {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}
.wrap-controls { justify-content: flex-start; }
.control-label { display: grid; gap: 0.28rem; color: var(--muted); font-size: 0.78rem; font-weight: 750; }
.select-input {
  min-width: 170px;
  height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 2.2rem 0 0.9rem;
  background: var(--card-solid);
  color: var(--text);
  font-weight: 700;
}
.playback-buttons { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.playback-buttons.is-hidden { display: none; }
.playback-buttons .button { background: var(--card-solid); color: var(--text); border-color: var(--line); }

.wide-baseline-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.narrow-baseline-stack { display: none; }
.comparison-subtitle {
  font-weight: 800;
  font-size: 0.98rem;
  margin: 0 0 0.55rem 0.15rem;
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
}
.mobile-only-control { display: none; }

.comparison-slider {
  --split: 50%;
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 18px;
  background: #0f172a;
  border: 1px solid rgba(148, 163, 184, 0.24);
  user-select: none;
  touch-action: none;
}
.cmp-layer { position: absolute; inset: 0; overflow: hidden; }
.cmp-layer > video, .cmp-layer > img, .cmp-layer > .placeholder-media {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.cmp-top { width: 100%; clip-path: inset(0 calc(100% - var(--split)) 0 0); border-right: 0; }
.cmp-top::after { content: ""; position: absolute; top: 0; bottom: 0; left: var(--split); width: 2px; background: rgba(255,255,255,0.95); transform: translateX(-1px); }
.cmp-handle {
  position: absolute;
  top: 0; bottom: 0; left: var(--split);
  transform: translateX(-50%);
  width: 42px;
  border: 0;
  background: transparent;
  cursor: ew-resize;
  z-index: 5;
}
.cmp-handle span {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 40px;
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  box-shadow: 0 8px 22px rgba(0,0,0,0.22);
}
.cmp-handle span::before,
.cmp-handle span::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 8px; height: 8px;
  border-top: 2px solid #0f172a;
  border-left: 2px solid #0f172a;
}
.cmp-handle span::before { left: 12px; transform: translateY(-50%) rotate(-45deg); }
.cmp-handle span::after { right: 12px; transform: translateY(-50%) rotate(135deg); }
.cmp-range {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  width: 100%;
  opacity: 0;
  z-index: 6;
}
.cmp-labels {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  font-weight: 800;
  font-size: 0.82rem;
  color: white;
  text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}
.cmp-labels span {
  position: absolute;
  top: 0.75rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(8px);
}
.top-label { left: 0.75rem; }
.bottom-label { right: 0.75rem; }
.placeholder-media {
  min-height: 260px;
  width: 100%; height: 100%;
  display: grid;
  place-items: center;
  text-align: center;
  color: white;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--placeholder-color, #334155) 82%, #fff), var(--placeholder-color, #334155)),
    repeating-linear-gradient(45deg, rgba(255,255,255,0.12) 0 10px, rgba(255,255,255,0.04) 10px 20px);
}
.placeholder-media div { padding: 1.5rem; }
.placeholder-media strong { display: block; font-size: clamp(1.1rem, 2vw, 1.7rem); letter-spacing: -0.04em; }
.placeholder-media span { display: block; opacity: 0.86; margin-top: 0.35rem; }

.paper-qual-content > .meta-chips { justify-content: flex-start; margin-bottom: 1rem; max-width: none; }
.paper-wide-grid {
  display: grid;
  grid-template-columns: 150px repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: center;
}
.render-row-label {
  font-weight: 900;
  color: var(--brand-dark);
  letter-spacing: -0.03em;
}
.paper-narrow-stack { display: none; }
.paper-narrow-block + .paper-narrow-block { margin-top: 1rem; }

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

.table-card { padding: 1.2rem; margin-top: 1.2rem; }
.table-card h3 { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.03em; color: var(--text); }
.table-scroll { overflow-x: auto; margin-top: 0.8rem; border-radius: 14px; border: 1px solid var(--line); }
.result-table { margin-bottom: 0 !important; min-width: 720px; background: var(--card-solid); color: var(--text); }
.result-table th { white-space: nowrap; color: var(--text) !important; background: color-mix(in srgb, var(--card-solid) 82%, var(--brand)); border-color: var(--line) !important; }
.result-table td { color: var(--text) !important; border-color: var(--line) !important; }
.ours-cell { font-weight: 900; color: var(--brand-dark) !important; }
.rank-best, .rank-second {
  font-weight: 900;
  position: relative;
  box-shadow: inset 0 0 0 999px transparent;
}
.rank-best { background: var(--best-bg) !important; color: var(--best-text) !important; box-shadow: inset 0 0 0 1px var(--best-border); }
.rank-second { background: var(--second-bg) !important; color: var(--second-text) !important; box-shadow: inset 0 0 0 1px var(--second-border); }
.rank-best::after { content: " best"; font-size: 0.72em; opacity: 0.82; margin-left: 0.35rem; font-weight: 800; }
.rank-second::after { content: " 2nd"; font-size: 0.72em; opacity: 0.82; margin-left: 0.35rem; font-weight: 800; }

.bibtex {
  border-radius: var(--radius);
  background: #050914;
  color: #dce8f7;
  padding: 1.3rem;
  overflow-x: auto;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
:root[data-theme="light"] .bibtex { background: #0f172a; color: #e2e8f0; }
.site-footer { background: #050914; color: #cbd5e1; padding: 2.5rem 1.5rem; }

@media (max-width: 1100px) {
  .card-grid.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .widget-head { flex-direction: column; }
  .meta-chips { justify-content: flex-start; }
  .paper-wide-grid { grid-template-columns: 110px repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 880px) {
  .wide-baseline-grid { display: none; }
  .narrow-baseline-stack { display: block; }
  .mobile-only-control { display: grid; }
  .paper-wide-grid { display: none; }
  .paper-narrow-stack { display: block; }
  .garden-comparison-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .section-pad { padding: 3.5rem 1rem; }
  .hero-gradient { padding-top: 3.2rem; padding-bottom: 1.1rem; }
  .main-title { font-size: clamp(2rem, 12vw, 3rem); line-height: 1.03; }
  .authors { font-size: 1rem; }
  .card-grid.four { grid-template-columns: 1fr; }
  .natural-media .placeholder-media { min-height: 240px; }
  .comparison-slider { aspect-ratio: 4 / 3; }
  .widget-card { padding: 0.85rem; }
  .select-input { min-width: 100%; }
  .control-label { width: 100%; }
  .widget-controls { align-items: stretch; }
  .playback-buttons { width: 100%; }
  .playback-buttons .button { flex: 1; }
  .paper-text { text-align: left; }
  .venue-line a, .venue-line span { border-radius: 18px; }
}

/* Synced video loading + slider animation controls */
.responsive-comparison-content,
.garden-comparison-grid {
  position: relative;
}
.video-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: color-mix(in srgb, var(--card-solid) 72%, transparent);
  backdrop-filter: blur(7px);
  pointer-events: auto;
}
.video-loading-overlay[hidden] { display: none; }
.video-loading-box {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.72rem 1rem;
  border-radius: 999px;
  color: var(--text);
  background: color-mix(in srgb, var(--card-solid) 90%, var(--brand));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  font-weight: 800;
  font-size: 0.9rem;
}
.video-spinner {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, var(--muted) 35%, transparent);
  border-top-color: var(--brand);
  animation: citymesh-spin 0.8s linear infinite;
}
@keyframes citymesh-spin { to { transform: rotate(360deg); } }
.playback-buttons .button.is-active {
  border-color: var(--brand) !important;
  color: var(--brand-dark) !important;
  background: color-mix(in srgb, var(--brand) 14%, var(--card-solid)) !important;
}
.playback-buttons .button:disabled {
  opacity: 0.55;
  cursor: wait;
}

/* Compact abstract, cards, selectors, image loading, and BibTeX copy */
.abstract-tldr {
  margin-bottom: 1.1rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--brand) 10%, var(--card-solid));
}
.abstract-tldr h3 {
  margin: 0 0 0.35rem 0;
  font-weight: 900;
  font-size: 1rem;
  color: var(--brand-dark);
  letter-spacing: -0.03em;
}
.abstract-tldr p { margin: 0; color: var(--text); line-height: 1.62; }
.abstract-preview { margin-bottom: 0.9rem; }
.abstract-toggle {
  margin-top: 0.2rem;
  background: var(--card-solid) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}
.abstract-full { margin-top: 1rem; }
.abstract-full p + p { margin-top: 1.1rem; }

.info-card-head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.info-card-head .card-icon {
  flex: 0 0 auto;
  margin-bottom: 0;
}
.info-card-head h3 { margin-bottom: 0; }

.choice-control {
  min-width: min(100%, 180px);
}
.choice-label { color: var(--muted); font-size: 0.78rem; font-weight: 800; }
.choice-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.choice-button {
  background: var(--card-solid) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
  font-weight: 800;
}
.choice-button.is-active {
  border-color: var(--brand) !important;
  color: var(--brand-dark) !important;
  background: color-mix(in srgb, var(--brand) 16%, var(--card-solid)) !important;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand) 18%, transparent);
}
.choice-select { display: none; }
.widget-controls .playback-buttons { margin-left: auto; }

.media-frame,
.comparison-slider {
  position: relative;
}
.image-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  border-radius: inherit;
  background: color-mix(in srgb, var(--card-solid) 70%, transparent);
  backdrop-filter: blur(7px);
}
.image-loading-overlay[hidden] { display: none; }

.bibtex-wrap {
  position: relative;
}
.copy-bibtex {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 2;
  background: color-mix(in srgb, var(--card-solid) 88%, var(--brand)) !important;
  color: var(--text) !important;
  border-color: var(--line) !important;
}
.bibtex-wrap .bibtex { padding-top: 3.1rem; }

@media (max-width: 880px) {
  .choice-buttons { display: none; }
  .choice-select { display: block; }
  .widget-controls .playback-buttons {
    margin-left: 0;
    width: 100%;
  }
}
@media (min-width: 881px) {
  .widget-controls.force-dropdown-controls .choice-buttons { display: none; }
  .widget-controls.force-dropdown-controls .choice-select { display: block; }
}
.paper-qual-content { position: relative; }