.qualitative-method-name {
  background: #3b82f6;
  color: #fff;
  box-shadow: 0 1px 2px 0 rgba(37,99,235,0.04);
  transition: background 0.2s;
  display: inline-block;
  min-width: 110px;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  text-transform: uppercase;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}
@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg: #fafafa;
  --card-bg: #ffffff;
  --text-main: #111827;
  --text-muted: #6b7280;
  --border-subtle: #e5e7eb;
  --shadow-soft: 0 4px 24px rgba(15, 23, 42, 0.08);
  --radius-lg: 12px;
  --space-xs: 0.35rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  /* Accent palette — ActionMesh-inspired */
  --accent-indigo: #6366f1;
  --accent-purple: #7c3aed;
  --accent-pink: #ec4899;
  --accent-orange: #f97316;
  --accent-grad: linear-gradient(135deg, #6366f1, #7c3aed);
  --link-blue: #3273dc;
  --title-blue: #3273dc;
  /* Hero pure white */
  --hero-bg-start: #ffffff;
  --hero-bg-mid: #ffffff;
  --hero-bg-end: #f7f7f7;
}

html {
  font-size: 18px;
}

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

body {
  margin: 0;
  background: var(--bg);
  font-family: 'Google Sans', 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: 1200px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem calc(var(--space-xl) * 2);
}

.file-protocol-warning {
  max-width: 1000px;
  margin: 0 auto var(--space-lg);
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid #f5c2c7;
  background: #fff1f2;
  color: #7f1d1d;
  font-size: 0.95rem;
  line-height: 1.5;
}

.file-protocol-warning code {
  color: inherit;
}

/* ===== HERO (full-bleed dark banner, Nerfies-style) ===== */

.hero {
  width: 100%;
  background: linear-gradient(180deg, var(--hero-bg-start) 0%, var(--hero-bg-end) 100%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 5rem 2rem 3rem;
}

.hero-inner {
  max-width: 98vw;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  margin: 0 0 var(--space-md);
  font-size: 3.2vw;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: #111827;
  white-space: nowrap;
}

.title-highlight {
  color: var(--title-blue);
}

.venue {
  margin: 0 0 var(--space-sm);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.02em;
  color: #374151;
}

.authors {
  margin: var(--space-sm) 0 0;
  font-size: 1.2vw;
  line-height: 1.8;
  white-space: nowrap;
  color: var(--text-main);
}

.author {
  color: var(--title-blue);
  text-decoration: none;
  transition: color 0.15s ease;
}

.author:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

.author + .author::before {
  content: ",  ";
  color: var(--text-muted);
  text-decoration: none;
}

.affiliations {
  margin-top: var(--space-sm);
  font-size: 0.88rem;
  color: var(--text-muted);
}

.affiliation-note {
  font-size: 0.82rem;
  margin-top: 0.25rem;
  color: var(--text-muted);
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-top: var(--space-lg);
}

.hero-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.4rem;
  border-radius: 999px;
  border: none;
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18);
}

.hero-link-btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.12);
  color: #ffffff;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.22);
}

.hero-link-btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
  cursor: default;
}

/* Per-button colors — pastel tones */
.btn-arxiv  { background: #e57373; }
.btn-data   { background: #f4a844; }
.btn-code   { background: #7986cb; }

/* ===== PAGE NAV BAR ===== */

.page-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 1px 8px rgba(15, 23, 42, 0.06);
}

.page-nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.page-nav-link {
  display: inline-block;
  padding: 0.8rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: #6b7280;
  text-decoration: none;
  border-bottom: 2.5px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-nav-link:hover {
  color: var(--accent-indigo);
  border-bottom-color: var(--accent-indigo);
}


.paper-teaser {
  max-width: 1120px;
  margin: 0 auto;
}

.paper-teaser img,
.figure-pdf {
  width: 100%;
  display: block;
  border-radius: 10px;
}

.paper-teaser img {
  height: auto;
}

.pdf-figure {
  display: block;
  width: 100%;
  height: 70vh;
  border-radius: 10px;
  border: none;
}

.figure-pdf {
  min-height: 520px;
  border: 0;
  background: #ffffff;
}

.teaser-caption {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: left;
  line-height: 1.55;
}

#teaser .teaser-caption {
  font-size: 1.05rem;
}


/* LINK STRIP — kept for backward compat but not used in new design */

.link-strip {
  display: none;
}

/* FOLDABLE ABSTRACT */

.abstract-details {
  width: 100%;
}

.abstract-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  user-select: none;
}

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

.abstract-summary h2 {
  margin: 0;
  margin-bottom: 0 !important;
}

.abstract-summary::after {
  content: "▸";
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  margin-top: 0.1em;
}

.abstract-details[open] .abstract-summary::after {
  transform: rotate(90deg);
}

.abstract-details p {
  margin-top: var(--space-md);
}

/* SECTIONS — flat, editorial, Nerfies-style */

.section {
  background: transparent;
  border-radius: 0;
  padding: 1.5rem 0;
  box-shadow: none;
  margin-bottom: 0;
  border-top: 1px solid var(--border-subtle);
}

.section:first-child {
  border-top: none;
  padding-top: var(--space-xl);
}

.section h2 {
  margin-top: 0;
  margin-bottom: var(--space-lg);
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section h2::before {
  content: "";
  display: inline-block;
  width: 5px;
  height: 1.4em;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--title-blue) 0%, var(--accent-purple) 100%);
  flex-shrink: 0;
}

.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);
}

.method-figure-spaced {
  margin-top: var(--space-lg);
}

.method-copy {
  margin-top: var(--space-lg);
}

.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);
}

.figure-link {
  display: block;
}

/* ---- 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: var(--accent-indigo);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.22);
  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;
}

.result-note {
  color: var(--text-muted);
}

.tldr-highlight {
  font-weight: 700;
  color: #6366f1;
}

.tldr-highlight-vips {
  font-weight: 700;
  color: var(--title-blue);
}

.tldr-note {
  display: inline-block;
  background: #eff6ff;
  border-left: 3px solid var(--accent-indigo);
  border-radius: 6px;
  padding: 0.6rem 1rem;
  font-size: 1.25rem;
  color: var(--text-main);
  margin-bottom: var(--space-md);
}

.placeholder-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.placeholder-shot {
  min-height: 180px;
  border-radius: 16px;
  border: 1px dashed #cbd5e1;
  background: linear-gradient(135deg, rgba(226, 232, 240, 0.85), rgba(248, 250, 252, 0.95));
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  text-align: center;
  font-weight: 600;
}

.media-grid {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.media-grid-four {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.media-grid-three {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.media-grid-five {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.comparison-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.pipeline-gallery {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.comparison-card {
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  padding: var(--space-md);
}

.comparison-card-header {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.comparison-card-header h4 {
  margin: 0;
  font-size: 1rem;
}

.comparison-subtitle {
  margin: 0.3rem 0 0;
  color: var(--text-muted);
  font-size: 0.84rem;
}

.comparison-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
  margin-top: 0.95rem;
}

.comparison-pane {
  margin: 0;
}

.comparison-pane img,
.comparison-pane model-viewer {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  --poster-color: transparent;
}

.comparison-pane figcaption {
  padding: 0.65rem 0.25rem 0;
  font-size: 0.88rem;
  line-height: 1.45;
  text-align: center;
}

.qualitative-browser {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pipeline-browser {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.qualitative-loading {
  padding: 1rem 0;
  color: var(--text-muted);
}

.qualitative-method-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
  align-items: start;
}

.qualitative-method-card {
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.07), 0 1px 4px rgba(15, 23, 42, 0.05);
  padding: var(--space-md);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.qualitative-method-card:hover {
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.14);
  transform: translateY(-2px);
}

.qualitative-method-card:nth-child(1) {
  border: 2px solid #f9a8a8;
  box-shadow: 0 4px 16px rgba(249, 168, 168, 0.25), 0 1px 4px rgba(15, 23, 42, 0.05), inset 0 0 18px rgba(252, 165, 165, 0.15);
}

.qualitative-method-card:nth-child(1) .qualitative-method-name {
  background: #fca5a5;
  color: #fff;
  box-shadow: 0 1px 2px 0 rgba(239, 68, 68, 0.1);
}

.qualitative-method-card:nth-child(2) h5 {
  background: none;
}

.qualitative-method-card:nth-child(3) h5 {
  background: none;
}

.qualitative-method-card:nth-child(4) h5 {
  background: none;
}

.qualitative-method-card h5 {
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  background: #e8f0fe;
  color: #2563eb;
  box-shadow: 0 1px 2px 0 rgba(37,99,235,0.04);
  transition: background 0.2s;
  display: inline-block;
  min-width: 110px;
}

.qualitative-method-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 0.6rem;
}
.qualitative-method-time {
  font-weight: 500;
  font-size: 0.82em;
  color: #7c3aed;
  background: #f5f3ff;
  border-radius: 0.7em;
  padding: 0.08em 0.7em 0.08em 0.7em;
  vertical-align: middle;
  box-shadow: 0 1px 2px 0 rgba(124,58,237,0.04);
  margin-left: 1em;
  margin-right: 0;
  min-width: 140px;
  text-align: right;
}

.qualitative-meta {
  margin: 0 0 0.85rem;
  color: var(--text-muted);
}

.qualitative-timing-note {
  color: #b0b4ba;
  text-align: center;
  font-size: 0.98em;
  margin-top: 1.2em;
}

.qualitative-input-note {
  display: block;
  text-align: center;
  background: #eff6ff;
  border-radius: 6px;
  padding: 0.4rem 0.85rem;
  font-size: 0.97rem;
  color: var(--text-main);
  margin-bottom: var(--space-md);
}

.qualitative-input-note strong {
  color: #6366f1;
}

.qualitative-pose-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.qualitative-pose {
  margin: 0;
  position: relative;
}

.qualitative-pose-viewer {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  --poster-color: transparent;
}

.qualitative-pose-image {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: transparent;
}

.qualitative-3d-badge {
  position: absolute;
  left: 50%;
  bottom: 0.55rem;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.45);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.qualitative-3d-badge img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.pipeline-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
  align-items: start;
}

.pipeline-stage {
  min-width: 0;
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.pipeline-stage-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pipeline-image,
.pipeline-video {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
}

.pipeline-image {
  object-fit: cover;
}

.pipeline-video {
  object-fit: contain;
}

.pipeline-optimized-image {
  object-fit: contain;
  background: transparent;
}

.pipeline-sync-note {
  margin: 0;
  font-size: 0.78rem;
  color: #b0b4ba;
  line-height: 1.4;
}

.pipeline-text {
  margin: 0;
  padding: 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #f8fafc;
  color: #334155;
  font-size: 0.86rem;
  line-height: 1.55;
  flex: 1;
}

.pipeline-frame-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  max-width: 760px;
  margin: 0 auto;
}

.pipeline-frame {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  object-fit: contain;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  padding: 0;
}

.viewer-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.media-card {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.media-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: transparent;
}

.media-card model-viewer {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  background: #ffffff;
  --poster-color: transparent;
}

.media-card figcaption {
  padding: 0.85rem 1rem 1rem;
  font-size: 0.9rem;
  line-height: 1.45;
}

.viewer-gallery .media-card figcaption {
  min-height: 4.5rem;
}

.media-kicker {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pair-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.pair-card {
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  padding: var(--space-md);
}

.pair-card h4 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.pair-viewers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.viewer-frame {
  margin: 0;
}

.viewer-frame model-viewer {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  border-radius: 12px;
  background: #ffffff;
  --poster-color: transparent;
  border: 1px solid var(--border-subtle);
}

.viewer-frame figcaption {
  margin-top: 0.45rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.edit-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.edit-case {
  border-radius: 16px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  padding: var(--space-md);
}

.edit-case h4 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
}

.edit-preview-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.edit-preview {
  margin: 0;
}

.edit-preview img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
}

.edit-preview figcaption {
  margin-top: 0.45rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.edit-strip-label {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.edit-keyframe-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.6rem;
}

.edit-keyframe {
  margin: 0;
}

.edit-keyframe img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
}

.edit-keyframe figcaption {
  margin-top: 0.35rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.pose-walk-grid .media-card img {
  aspect-ratio: 1 / 1;
  object-fit: contain;
  padding: 0.5rem;
}

.video-placeholder {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.video-placeholder-card {
  min-height: 220px;
  border-radius: 18px;
  border: 1px dashed #cbd5e1;
  background: linear-gradient(135deg, rgba(241, 245, 249, 0.88), rgba(255, 255, 255, 0.96));
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  text-align: center;
  font-weight: 600;
}

.pipeline-blurb {
  max-width: 100%;
}

.controllable-video-gallery {
  margin-top: var(--space-md);
}

.controllable-video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.controllable-video-card {
  border-radius: 18px;
  border: 1px solid var(--border-subtle);
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
  padding: var(--space-md);
}

.controllable-video-card h4 {
  margin: 0 0 0.9rem;
  font-size: 1rem;
}

.controllable-video-meta {
  margin: -0.35rem 0 0.9rem;
  font-size: 0.92rem;
}

.controllable-video-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-md);
  align-items: start;
}

.controllable-video-frame-block,
.controllable-video-block {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.controllable-frame-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.controllable-frame {
  width: 100%;
  aspect-ratio: 1 / 1;
  display: block;
  object-fit: contain;
  box-sizing: border-box;
  padding: 0;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: transparent;
}

.controllable-video-output {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-subtle);
  background: #000000;
}

/* 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: var(--accent-grad);
  color: #ffffff;
  box-shadow: 0 6px 16px rgba(99, 102, 241, 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: flex;
  justify-content: center;
  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: transparent;
}

.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;
}

@media (max-width: 860px) {
  .controllable-video-content {
    grid-template-columns: 1fr;
  }
}


/* 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: var(--accent-indigo);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.22);
  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;
}

/* BIBTEX (if used) */

.bibtex {
  margin: 0;
  padding: var(--space-md);
  border-radius: 12px;
  background: #f3f4f6;
  color: #1f2937;
  border: 1px solid #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: transparent;
}

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

/* FOOTER */

.footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  padding-bottom: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer a {
  color: var(--accent-indigo);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* RESPONSIVE */

@media (max-width: 720px) {
  .hero {
    padding: 4.5rem 1.25rem 3rem;
  }

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

  .page-nav-link {
    padding: 0.6rem 0.65rem;
    font-size: 0.82rem;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

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

  .results-display-card,
  .model-panels {
    padding: 0.75rem;
  }

  .comparison-methods,
  .edit-preview-strip,
  .edit-keyframe-strip,
  .pair-viewers {
    grid-template-columns: 1fr;
  }

  .qualitative-method-card {
    padding: 0.7rem;
  }

  .qualitative-pose-grid {
    gap: 0.5rem;
  }

}

@media (max-width: 520px) {
  .pipeline-frame-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 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);
  }
}