:root {
  --bg: #f5f6fa;
  --card-bg: #f1f2f5;
  --text-main: #111827;
  --text-muted: #6b7280;
  --border-subtle: #e5e7eb;
  --shadow-soft: 0 12px 40px rgba(15, 23, 42, 0.12);
  --radius-lg: 18px;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
}

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

body {
  margin: 0;
  background: var(--bg);
  font-family: "Lato", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-main);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 1240px;
  margin: 0 auto;
  padding: var(--space-xl) 1.25rem var(--space-xl);
}

/* HERO CARD */

.hero {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.hero-card {
  width: 100%;
  padding: var(--space-xl) var(--space-lg);
  background: var(--card-bg);
  border-radius: 24px;
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.hero-card h1 {
  margin: 0 0 var(--space-sm);
  font-size: 2rem;
  font-weight: 600;
}

.venue {
  margin: 0 0 var(--space-md);
  color: var(--text-muted);
  font-weight: 500;
}
.submission-id {
  margin: 0 0 var(--space-md);
  color: var(--text-muted);
  font-weight: 500;
}

.authors {
  margin: var(--space-lg) 0 0;
  font-size: 1.18rem;
  line-height: 1.65;
  font-weight: 600;
}

.author {
  display: inline-block;
  margin: 0 0.8rem;
}

.authors sup,
.affiliations sup {
  font-size: 0.68em;
  line-height: 0;
  margin-left: 0.08em;
}

.affiliations {
  margin-top: var(--space-sm);
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.affiliations span {
  display: inline-block;
  margin: 0 0.45rem;
}

.overview-section {
  padding-top: 2rem;
}

.abstract-block {
  max-width: 100%;
  margin: 0 auto;
}

.abstract-block h2 {
  margin: 0 0 0.8rem;
  font-size: 1.4rem;
  font-weight: 700;
  text-align: left;
}

.abstract-block p {
  margin: 0;
  color: #374151;
  font-size: 1.02rem;
  line-height: 1.72;
  text-align: justify;
}

.teaser-figure {
  max-width: 100%;
  margin: 0 auto var(--space-xl);
}

.teaser-figure img {
  display: block;
  width: 100%;
  height: auto;
  background: #ffffff;
}

.pipeline-figure {
  max-width: 100%;
  margin: var(--space-xl) auto 0;
}

.pipeline-figure h2 {
  margin: 0 0 var(--space-md);
  font-size: 1.4rem;
  font-weight: 700;
  text-align: left;
}

.pipeline-stage-grid {
  display: grid;
  grid-template-columns: 1.125fr 1.368fr 0.987fr;
  gap: 1.1rem;
  width: 100%;
  align-items: stretch;
}

.pipeline-stage-card {
  margin: 0;
  width: 100%;
  min-width: 0;
  background: #ffffff;
  overflow: hidden;
  box-shadow: none;
  border-radius: 0;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-radius 0.18s ease;
  display: flex;
  flex-direction: column;
}

.pipeline-stage-card:nth-child(1) {
  --stage-aspect: 1.125;
}

.pipeline-stage-card:nth-child(2) {
  --stage-aspect: 1.368;
}

.pipeline-stage-card:nth-child(3) {
  --stage-aspect: 0.987;
}

.pipeline-stage-card:hover {
  transform: translateY(-4px) scale(1.025);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.10);
  border-radius: 15px;
}

.pipeline-stage-image {
  aspect-ratio: var(--stage-aspect) / 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  overflow: hidden;
  border-radius: 0;
  transition: border-radius 0.18s ease;
}

.pipeline-stage-card:hover .pipeline-stage-image {
  border-radius: 8px 8px 0 0;
}

.pipeline-stage-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.pipeline-stage-card figcaption {
  position: relative;
  flex: 1 1 auto;
  padding: 0.95rem 1rem 1.05rem;
  color: var(--text-muted);
  font-size: 0.94rem;
  line-height: 1.55;
  text-align: justify;
  text-align-last: left;
}

.pipeline-stage-card figcaption::before {
  content: "• ";
}

.pipeline-stage-card figcaption strong {
  color: #374151;
}

@media (max-width: 980px) {
  .pipeline-stage-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .pipeline-stage-card {
    max-width: min(100%, 620px);
    margin: 0 auto;
  }
}


.paper-teaser {
  max-width: 1000px;
  margin: 0 auto;
}

.paper-teaser img {
  width: 100%;
  height: auto;
  display: block;
}

.teaser-caption {
  max-width: 900px;
  margin: 0.5rem auto 0;
  font-size: 0.85rem;
  color: #6b7280;
  line-height: 1.55;
  text-align: left;
}


/* LINK STRIP */

.link-strip {
  margin-top: 3rem;
  margin-bottom: 3rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 3rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  text-align: center;
}

.link-icon {
  width: 70px;
  height: 70px;
  border-radius: 16px;
  border: 2px solid #d4d4d8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  background: #ffffff;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
}

.link-icon img {
  width: 60%;
  height: 60%;
  object-fit: contain;
}


.link-card:hover .link-icon {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.16);
}

.link-label {
  font-size: 0.95rem;
  font-weight: 600;
}

.link-purple {
  color: #4f46e5;
}

.link-green {
  color: #16a34a;
}

.link-black {
  color: #111827;
}

/* SECTIONS */

.section {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  box-shadow: var(--shadow-soft);
  margin-bottom: var(--space-xl);
}

.section h2 {
  margin-top: 0;
  margin-bottom: var(--space-md);
  font-size: 1.4rem;
}

.section p {
  margin-top: 0;
  margin-bottom: var(--space-sm);
}

/* ---- Two-column layout (method) ---- */

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 3fr);
  gap: var(--space-lg);
}

.method-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.placeholder-figure {
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-subtle);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  background: #f9fafb;
}

.figure-caption {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---- Results cards ---- */

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* clickable cards */

.result-card {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  cursor: pointer;
  transition: 0.15s ease;
}

.result-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-xs);
}

.result-card.is-active {
  border-color: #2563eb;
  /* highlight */
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
  transform: translateY(-2px);
}

/* bottom card that shows content */
.results-display-card {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.result-content {
  display: none;
}

.result-content.is-active {
  display: block;
}

/* mini tabs inside results */
/* Header and toggle row */
.interactive-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

/* Toggle group (buttons) */
.model-toggle-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: 4px;
  border-radius: 999px;
  background: #f3f4f6;
  /* subtle pill background */
}

/* Individual toggle button */
.model-toggle {
  border: none;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  color: #4b5563;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease,
    transform 0.1s ease;
}

.model-toggle:hover {
  background: #e5e7eb;
}

/* Active state: like a primary pill button */
.model-toggle.is-active {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

/* Model panels (like the ablations display card) */
.model-panels {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  padding: var(--space-md);
}

/* Only show the active model panel */
.model-panel {
  display: none;
}

.model-panel.is-active {
  display: block;
}

/* Methods */
.viewer-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
}

.method-toggle-row {
  display: inline-flex;
  gap: var(--space-xs);
  padding: 4px;
  border-radius: 999px;
  background: #f3f4f6;
}

.method-toggle {
  border: none;
  background: transparent;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  color: #4b5563;
  transition:
    background 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.1s ease;
}

.method-toggle:hover {
  background: #e5e7eb;
}

.method-toggle.is-active {
  background: #059669;
  /* green */
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(5, 150, 105, 0.35);
  transform: translateY(-1px);
}

.disabled-method {
  opacity: 0.4;
  pointer-events: none;
}

.viewer-controls {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px; /* space between PDE row and Method row */
}


.pde-toggle-row {
  display: inline-flex;
  gap: var(--space-xs);
  padding: 4px;
  border-radius: 999px;
  background: #f3f4f6;
}

.pde-toggle {
  border: none;
  background: #e5e7eb;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  color: #63574b;
  transition: background 0.15s ease, color 0.15s ease;
}

.pde-toggle:hover {
  background: #d1d5db;
}

.pde-toggle.is-active {
  background: #3a0070;
  /* green (different from method row) */
  color: white;
  box-shadow: 0 6px 16px rgba(5, 150, 105, 0.35);
}


.ablations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

/* Video  */
.video-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 40px;
    gap: 16px;
    margin-bottom: 32px;
    align-items: center;
}
.video-row video {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 14px;
    background: #f5f5f5;
    box-shadow: 0 4px 10px rgba(0,0,0,0.06);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

/* .video-row video:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
} */


.vid {
    width: 100%;
    border-radius: 12px;
    background: black;
}

.colorbar {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.video-header {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin-bottom: 10px;
    font-weight: 600;
    text-align: center;
    color: #444;
}


/* clickable ablation cards */

.ablation-card {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  cursor: pointer;
  transition: 0.15s ease;
}

.ablation-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-xs);
}

.ablation-card.is-active {
  border-color: #2563eb;
  /* highlight */
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2);
  transform: translateY(-2px);
}

/* bottom card that shows content */
.ablations-display-card {
  margin-top: var(--space-lg);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
}

.ablation-content {
  display: none;
}

.ablation-content.is-active {
  display: block;
}

/* ---- Method comparison table ---- */

.section-desc {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-bottom: var(--space-md);
}

#our-results .section-desc,
#results .section-desc,
#more-results .section-desc {
  font-size: 1.05rem;
  line-height: 1.65;
}

.ctrl-btn {
  border: 1px solid var(--border-subtle);
  background: #f9fafb;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  color: var(--text-main);
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.ctrl-btn:hover {
  background: #e5e7eb;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.comparison-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: -2px 0 14px;
}

.comparison-dataset-wrapper,
.comparison-view-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
}

.comparison-dataset-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #64748b;
  padding-left: 4px;
}

.comparison-view-toggle-group {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(37, 99, 235, 0.34);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.13), rgba(37, 99, 235, 0.16));
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.16), inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.comparison-view-toggle {
  border: none;
  border-radius: 999px;
  background: transparent;
  color: #1e3a8a;
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.2;
  padding: 7px 15px;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.comparison-view-toggle:hover {
  background: #e2e8f0;
}

.comparison-view-toggle.is-active {
  background: linear-gradient(135deg, #0f766e, #2563eb);
  color: #ffffff;
  box-shadow: 0 7px 18px rgba(37, 99, 235, 0.24);
}

.comparison-table {
  --comparison-grid-columns: 32px minmax(0, 1.78fr) repeat(6, minmax(0, 1fr));
  --comparison-mobile-grid-columns: 24px minmax(144px, 1.78fr) repeat(6, minmax(82px, 1fr));
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.comparison-header,
.comparison-row {
  display: grid;
  grid-template-columns: var(--comparison-grid-columns);
  column-gap: 10px;
  row-gap: 5px;
  align-items: center;
}

.comparison-table--single-view .comparison-header,
.comparison-table--single-view .comparison-row {
  column-gap: 12px;
  row-gap: 8px;
}

.comparison-table--single-view .method-label {
  min-height: 33px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.seq-label-spacer {
  grid-column: 1;
  grid-row: 1 / 3;
}

.method-label {
  text-align: center;
  font-weight: 700;
  font-size: 0.82rem;
  padding: 6px 8px;
  border-radius: 7px;
  letter-spacing: 0;
}

.comparison-header .input-label {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.input-view-spacer {
  grid-column: 2;
  grid-row: 2;
}

.comparison-header .hold-label {
  grid-column: 3 / 5;
}

.comparison-header .magichoi-label {
  grid-column: 5 / 7;
}

.comparison-header .ours-label {
  grid-column: 7 / 9;
}

.view-label {
  text-align: center;
  font-size: 0.68rem;
  font-weight: 800;
  color: #64748b;
  padding: 2px 4px 0;
  border-radius: 0;
  background: transparent;
  border: none;
  line-height: 1.1;
}

.hold-view-label {
  color: #0f766e;
}

.magichoi-view-label {
  color: #6b2d83;
}

.ours-view-label {
  color: #8f3c12;
}

.input-label {
  background: rgba(100, 116, 139, 0.10);
  color: #475569;
  border: 1px solid rgba(100, 116, 139, 0.36);
  box-shadow: inset 0 3px 0 #94a3b8;
}

.ours-label {
  background: rgba(242, 140, 56, 0.11);
  color: #8f3c12;
  border: 1px solid rgba(242, 140, 56, 0.58);
  box-shadow: inset 0 3px 0 #f28c38;
}

.hold-label {
  background: rgba(43, 179, 163, 0.11);
  color: #0f766e;
  border: 1px solid rgba(43, 179, 163, 0.54);
  box-shadow: inset 0 3px 0 #2bb3a3;
}

.magichoi-label {
  background: rgba(142, 68, 173, 0.10);
  color: #6b2d83;
  border: 1px solid rgba(142, 68, 173, 0.52);
  box-shadow: inset 0 3px 0 #8e44ad;
}

.seq-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  min-width: 28px;
}

.vid-cell {
  border-radius: 12px;
  overflow: hidden;
  background: #e2e8f0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.10);
  position: relative;
}

.comp-video {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.vid-cell[data-method="input"] .comp-video {
  aspect-ratio: var(--compare-input-aspect, 16 / 9);
}

.vid-cell:hover .comp-video {
  transform: scale(1.01);
}

/* highlight border per method */
.comparison-row .vid-cell[data-method="input"] {
  box-shadow: 0 0 0 1px #cbd5e1, 0 4px 12px rgba(15, 23, 42, 0.08);
}
.comparison-row .vid-cell[data-method="ours"] {
  box-shadow: 0 0 0 2px #f28c38, 0 7px 16px rgba(242, 140, 56, 0.16);
}
.comparison-row .vid-cell[data-method="HOLD"] {
  box-shadow: 0 0 0 1.5px #2bb3a3, 0 6px 14px rgba(43, 179, 163, 0.13);
}
.comparison-row .vid-cell[data-method="MagicHOI"] {
  box-shadow: 0 0 0 1.5px #8e44ad, 0 6px 14px rgba(142, 68, 173, 0.13);
}

.vid-cell.is-hidden {
  display: none;
}

.track-status {
  display: block;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 4px 6px;
  color: #ffffff;
  user-select: none;
}

.track-status--row {
  border-radius: 6px;
  margin-top: 2px;
  align-self: stretch;
}

.track-status--tracked {
  background: #16a34a;
}

.track-status--lost {
  background: #dc2626;
}

.comparison-pager,
.more-results-pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 18px;
}

.comparison-pager--top,
.more-results-pager--top {
  margin-top: 0;
  gap: 10px;
}

.comparison-pager--top .comparison-page-btn,
.more-results-pager--top .more-results-page-btn {
  width: 34px;
  height: 34px;
  font-size: 1.35rem;
  box-shadow: 0 5px 14px rgba(15, 23, 42, 0.08);
}

.comparison-pager--top .comparison-page-count,
.more-results-pager--top .more-results-page-count {
  min-width: 82px;
  font-size: 0.86rem;
}

.comparison-page-btn,
.more-results-page-btn {
  width: 42px;
  height: 42px;
  border: 1px solid #cbd5e1;
  border-radius: 50%;
  background: #f8fafc;
  color: #0f172a;
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.comparison-page-btn:hover:not(:disabled),
.more-results-page-btn:hover:not(:disabled) {
  background: #e0f2fe;
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18);
  transform: translateY(-1px);
}

.comparison-page-btn:disabled,
.more-results-page-btn:disabled {
  cursor: default;
  opacity: 0.42;
  box-shadow: none;
}

.comparison-page-count,
.more-results-page-count {
  min-width: 64px;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 800;
  text-align: center;
}

/* ---- More Results gallery ---- */

.more-results-heading {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: var(--space-md);
}

.more-results-heading h2 {
  margin-bottom: 0;
}

.more-results-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: -2px 0 14px;
}

.more-results-filters-section {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  margin: 4px 0 0;
}

.more-results-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 18px;
  margin: 0 0 14px;
}

.more-results-filters .filter-group {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
}

.more-results-filters .filter-group-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #64748b;
  padding-left: 4px;
  margin: 0;
}

.more-results-filters .filter-group-pills {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(37, 99, 235, 0.34);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.13), rgba(37, 99, 235, 0.16));
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.16), inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.more-results-filters .filter-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding-bottom: 4px;
}

.filter-click-hint {
  margin-left: 6px;
  font-size: 0.62rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: none;
  letter-spacing: 0.02em;
  font-style: italic;
}

.more-results-filters .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 7px 13px;
  border-radius: 999px;
  border: none;
  background: transparent;
  color: #1e3a8a;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.more-results-filters .filter-chip input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  pointer-events: none;
}

.more-results-filters .filter-chip:hover {
  background: #e2e8f0;
}

.more-results-filters .filter-chip.is-active {
  background: linear-gradient(135deg, #0f766e, #2563eb);
  color: #ffffff;
  box-shadow: 0 7px 18px rgba(37, 99, 235, 0.24);
}

.more-results-filters .filter-clear {
  border: none;
  background: transparent;
  border-radius: 999px;
  min-height: 34px;
  padding: 7px 13px;
  font-size: 0.875rem;
  font-weight: 700;
  color: #1e3a8a;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.more-results-filters .filter-clear:hover {
  background: #f1f5f9;
  color: #1e293b;
}

.more-results-filters .filter-match-count {
  font-size: 0.8rem;
  font-weight: 600;
  color: #2563eb;
}

.more-results-column-header {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
  margin: 0 0 10px;
}

.more-results-header-spacer {
  grid-column: 1;
}

.more-results-header-label {
  min-width: 0;
  min-height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 8px;
  border: 1px solid rgba(100, 116, 139, 0.36);
  border-radius: 7px;
  background: rgba(100, 116, 139, 0.10);
  color: #475569;
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  box-shadow: inset 0 3px 0 #94a3b8;
}

.dataset-toggle-group {
  display: inline-flex;
  padding: 4px;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.13), rgba(37, 99, 235, 0.16));
  border: 1px solid rgba(37, 99, 235, 0.34);
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.16), inset 0 0 0 1px rgba(255, 255, 255, 0.72);
}

.dataset-toggle {
  border: none;
  background: transparent;
  padding: 7px 16px;
  border-radius: 999px;
  color: #1e3a8a;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.dataset-toggle.is-active {
  background: linear-gradient(135deg, #0f766e, #2563eb);
  color: #ffffff;
  box-shadow: 0 7px 18px rgba(37, 99, 235, 0.24);
}

.more-results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.more-results-empty {
  margin: 0;
  padding: 18px;
  border: 1px dashed #d1d5db;
  border-radius: 10px;
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
}

.more-results-case {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: stretch;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.more-results-case:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.more-results-seq {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
  text-align: center;
  min-width: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.more-results-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) repeat(4, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

.more-results-row-scrubber {
  grid-column: 2;
  width: 100%;
  margin: 5px 0 0;
  padding: 6px 2px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  outline: none;
}

.more-results-row-scrubber-track {
  position: relative;
  height: 20px;
  cursor: pointer;
}

.more-results-row-scrubber-track::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 50%; transform: translateY(-50%);
  height: 4px;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 2px;
  pointer-events: none;
}

.more-results-row-scrubber-fill {
  position: absolute;
  left: 0;
  top: 50%; transform: translateY(-50%);
  height: 4px;
  width: 0%;
  background: var(--primary, #3b82f6);
  border-radius: 2px;
  pointer-events: none;
}

.more-results-row-scrubber-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 13px;
  height: 13px;
  background: var(--primary, #3b82f6);
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  transition: transform 0.1s ease;
}

.more-results-row-scrubber:hover .more-results-row-scrubber-thumb {
  transform: translate(-50%, -50%) scale(1.25);
}

.more-results-cell {
  min-width: 0;
  border: 1px solid #d1d5db;
  border-radius: 10px;
  overflow: hidden;
  background: #f9fafb;
  display: flex;
  flex-direction: column;
  position: relative;
}

.more-results-video {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  object-position: center;
  background: #111827;
}

.more-results-cell:first-child .more-results-video {
  aspect-ratio: var(--input-video-aspect, 1 / 1);
  object-fit: contain;
  background: #f9fafb;
}

.more-results-cell:not(:first-child) .more-results-video {
  object-fit: contain;
}

@media (max-width: 620px) {
  .more-results-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .more-results-toolbar {
    align-items: flex-start;
    flex-direction: column;
    justify-content: flex-start;
  }

  .more-results-column-header {
    grid-template-columns: 30px minmax(140px, 1fr) repeat(4, minmax(88px, 1fr));
    overflow-x: auto;
  }

  .comparison-header,
  .comparison-row {
    grid-template-columns: var(--comparison-mobile-grid-columns);
    gap: 6px;
    overflow-x: auto;
  }

  .comparison-toolbar {
    align-items: flex-start;
    flex-direction: column;
    justify-content: flex-start;
  }

  .comparison-view-toggle-group {
    width: 100%;
  }

  .comparison-view-toggle {
    flex: 1 1 0;
    padding-inline: 10px;
  }
  .seq-label {
    font-size: 0.8rem;
  }
  .method-label {
    font-size: 0.78rem;
  }
  .view-label {
    font-size: 0.66rem;
    padding: 4px 6px;
  }
}

/* ---- Our Results carousel ---- */

.our-results-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.our-results-heading h2 {
  margin-bottom: 0;
}

.our-results-carousel {
  position: relative;
}

.our-results-case {
  display: none;
}

.our-results-case.is-active {
  display: block;
}

.our-results-grid {
  display: grid;
  grid-template-columns: 16fr 16fr 9fr;
  gap: var(--space-lg);
  align-items: start;
}

.our-results-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.our-results-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.our-results-media {
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  aspect-ratio: 16 / 9;
  position: relative;
}

.our-results-media.our-results-media--square {
  aspect-ratio: 1 / 1;
}

.stage-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 2;
  max-width: calc(100% - 16px);
  padding: 4px 9px;
  border-radius: 999px;
  color: #ffffff;
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.16);
  text-transform: capitalize;
}

.stage-badge--start {
  background: rgba(71, 85, 105, 0.78);
}

.stage-badge--approaching {
  background: rgba(37, 99, 235, 0.78);
}

.stage-badge--interaction {
  background: rgba(5, 150, 105, 0.82);
}

.stage-badge--releasing {
  background: rgba(217, 119, 6, 0.82);
}

.stage-badge--end {
  background: rgba(100, 116, 139, 0.78);
}

.stage-badge--default {
  background: rgba(17, 24, 39, 0.74);
}

.our-results-video,
.our-results-heatmap-video,
.bimanual-heatmap-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.our-results-scrubber {
  grid-column: 1 / -1;
  padding: 6px 2px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.our-results-scrubber-track {
  position: relative;
  height: 20px; /* large invisible hit area */
  cursor: pointer;
}

/* visual bar via pseudo-element so fill/thumb can stay vertically centered */
.our-results-scrubber-track::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 50%; transform: translateY(-50%);
  height: 4px;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 2px;
  pointer-events: none;
}

.our-results-scrubber-fill {
  position: absolute;
  left: 0;
  top: 50%; transform: translateY(-50%);
  height: 4px;
  width: 0%;
  background: var(--primary, #3b82f6);
  border-radius: 2px;
  pointer-events: none;
}

.our-results-scrubber-thumb {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 13px;
  height: 13px;
  background: var(--primary, #3b82f6);
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  pointer-events: none;
  transition: transform 0.1s ease;
}

.our-results-scrubber:hover .our-results-scrubber-thumb {
  transform: translate(-50%, -50%) scale(1.25);
}

.choir-camera-viewer {
  position: relative;
  width: 100%;
  height: 100%;
  display: block;
  overflow: hidden;
  background: #f8fafc;
}

.choir-camera-canvas {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.camera-plane-video {
  display: none;
}

.camera-plane-video.is-hidden {
  opacity: 0;
}

.mesh-reset-button {
  position: absolute;
  right: 10px;
  top: 10px;
  z-index: 3;
  padding: 5px 10px;
  border: 1px solid rgba(148, 163, 184, 0.62);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.86);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(8px);
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.mesh-reset-button:hover {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(71, 85, 105, 0.55);
  color: var(--text-main);
}

.interaction-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 3;
  display: grid;
  grid-template-areas:
    ". up ."
    "left hand right"
    ". down .";
  grid-template-columns: 24px 24px 24px;
  grid-template-rows: 24px 24px 24px;
  align-items: center;
  justify-items: center;
  align-content: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.4s ease;
  animation: flash-hint 3.4s ease-in-out forwards;
  color: #fff;
  column-gap: 12px;
  row-gap: 6px;
  background: rgba(0, 0, 0, 0.4);
  width: 98px;
  height: 98px;
  padding: 6px;
  box-sizing: border-box;
  border-radius: 50%;
}

.drag-explore-hint {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 3;
  padding: 5px 10px;
  border: 1px solid rgba(148, 163, 184, 0.48);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.84);
  color: #475569;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
  backdrop-filter: blur(8px);
  opacity: 1;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.hint-arrow--up { grid-area: up; }
.hint-arrow--down { grid-area: down; }
.hint-arrow--left { grid-area: left; }
.hint-arrow--right { grid-area: right; }

.hint-hand {
  grid-area: hand;
  width: 24px;
  height: 24px;
  filter: brightness(0) invert(1);
}

@keyframes flash-hint {
  0% { transform: translate(-50%, -50%) scale(0.96); opacity: 0; }
  12% { transform: translate(-50%, -50%) scale(1.03); opacity: 1; }
  24% { transform: translate(-50%, -50%) scale(1); opacity: 0.55; }
  36% { transform: translate(-50%, -50%) scale(1.04); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1); opacity: 0.55; }
  64% { transform: translate(-50%, -50%) scale(1.04); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 0; visibility: hidden; }
}

.choir-camera-viewer.is-dragged .interaction-hint,
.choir-camera-viewer.is-dragged .drag-explore-hint {
  opacity: 0;
  animation: none;
  visibility: hidden;
}

.section .our-results-caption-block {
  margin: 20px auto 0;
  max-width: 1180px;
  text-align: center;
}

.section .our-results-caption-label {
  display: inline-block;
  margin: 0 0 10px;
  color: var(--text-strong, #1f2937);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section .our-results-caption {
  margin: 0;
  color: var(--text-muted);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.6;
  text-align: center;
}

.our-results-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: 0;
  flex: 0 0 auto;
}

.our-results-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #d1d5db;
  background: linear-gradient(180deg, #ffffff 0%, #f3f4f6 100%);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.10);
  transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.1s ease;
}

.our-results-arrow span {
  display: block;
  transform: translateY(-1px);
}

.our-results-arrow:hover {
  border-color: #2563eb;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.18);
  transform: translateY(-1px);
}

.our-results-counter {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  min-width: 40px;
  text-align: center;
}

@media (max-width: 900px) {
  .our-results-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .our-results-heading {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* ---- Challenging cases section ---- */

.bimanual-case {
  margin-bottom: 2rem;
}

.bimanual-case:last-child {
  margin-bottom: 0;
}

.bimanual-case-header {
  margin-bottom: 0.75rem;
}

.bimanual-case-badge {
  display: inline-block;
  padding: 4px 13px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.our-results-grid--bimanual {
  grid-template-columns: 16fr 16fr 4.375fr;
}

.bimanual-heatmap-media {
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.bimanual-heatmap-sublabel {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-top: 0.2rem;
}

.bimanual-divider {
  border-top: 1px solid var(--border-subtle);
  margin: 2rem 0;
}


/* BIBTEX (if used) */

.bibtex {
  margin: 0;
  padding: var(--space-md);
  border-radius: 12px;
  background: #0b1020;
  color: #e5e7eb;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.85rem;
  overflow-x: auto;
}

/* ---- Video embed ---- */

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  /* 16:9 */
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: #000;
}

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

/* FOOTER */

.code-release {
  text-align: center;
}

.code-release p {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 600;
}

.code-release a {
  color: #2563eb;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.code-release a:hover {
  color: #1d4ed8;
}

.footer {
  margin-top: var(--space-lg);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* RESPONSIVE */

@media (max-width: 720px) {
  .hero-card {
    padding-inline: var(--space-md);
  }

  .hero-card h1 {
    font-size: 1.6rem;
  }

  .link-strip {
    gap: 2rem;
  }
}

/* Timer overlay */
.pde-timer {
  position: absolute;
  bottom: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  padding: 6px 12px;
  border-radius: 8px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9rem;
  font-weight: 600;
  color: #374151;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
  pointer-events: none;
  z-index: 10;
}

/* Gesture hint overlay */
.pde-gesture-hint {
  position: absolute;
  pointer-events: none;
  z-index: 100;
  transform: translate(-50%, -50%);
  transition: none;
}

.pde-finger-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 50%;
  padding: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  animation: pde-finger-pulse 1.5s ease-in-out infinite;
}

.pde-finger-icon img {
  width: 90%;
  height: 90%;
  object-fit: contain;
}

.pde-finger-icon svg {
  width: 100%;
  height: 100%;
}

@keyframes pde-finger-pulse {
  0%, 100% {
    opacity: 0.7;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.1);
  }
}