:root {
  --bg: #eef3f8;
  --bg-2: #dfe8f1;
  --bg-card: #ffffff;
  --panel: rgba(255, 255, 255, 0.82);
  --panel-border: #cbd8e5;
  --text: #405268;
  --heading: #172b43;
  --muted: #6d7e91;
  --global: #426b9a;
  --local: #d45f68;
  --controllable: #b47b18;
  --image: #b84f91;
  --accent: #3979c5;
  --shadow: 0 24px 80px rgba(57, 86, 116, 0.18);
  --container-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, #f5f8fb 0%, var(--bg) 48%, #e4edf5 100%);
  min-height: 100vh;
  line-height: 1.7;
  font-size: 16px;
}

.page-shell {
  width: min(var(--container-width), calc(100% - 40px));
  margin: 0 auto;
  padding: 30px 0 80px;
}

/* ---------- Hero / Title (EditVerse style) ---------- */

.hero {
  text-align: center;
  padding: 30px 0 30px;
  display: block;
}

.hero-poster {
  max-width: 100%;
  margin: 0 auto;
  display: block;
  text-align: center;
}

.hero-kicker {
  margin: 0 0 16px;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 500;
  color: #888;
  text-transform: uppercase;
}

.hero-title {
  margin: 0 0 0.5em;
  font-size: clamp(2.4rem, 5vw, 3.5rem);
  line-height: 1.1;
  font-weight: 700;
  color: var(--heading);
  letter-spacing: -1.5px;
}

.hero-subtitle {
  margin: 15px auto 0;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.4;
  color: #b0b0b0;
  max-width: 60ch;
  font-weight: 400;
  padding: 0 20px;
}

.hero-org {
  margin: 16px 0 0;
  color: #888;
  font-size: 1rem;
  font-weight: 400;
}

/* ---------- Hero links: pill buttons ---------- */

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 24px;
}

.hero-cta,
.hero-cta.secondary-cta {
  color: var(--heading);
  text-decoration: none;
  border: 1px solid #333;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease-in-out;
}

.hero-cta:hover {
  background-color: #555555;
  border-color: #555555;
  color: var(--heading);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(180, 180, 180, 0.2);
}

.hero-cta svg {
  height: 1.1em;
  width: 1.1em;
}

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

.hero-links {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px;
}

.hero-links a,
.hero-links .coming-soon-label {
  background-color: #1a1a1a;
  color: var(--heading);
  text-decoration: none;
  border: 1px solid #333;
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: auto;
  height: auto;
  transition: all 0.2s ease-in-out;
}

.hero-links a:hover {
  background-color: #555555;
  border-color: #555555;
  color: var(--heading);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(180, 180, 180, 0.2);
}

.hero-links .coming-soon-label {
  border-style: dashed;
  color: #888;
  cursor: default;
}

.icon-link svg,
.hero-links svg {
  display: block;
}

.icon-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- Sections / generic ---------- */

.eyebrow {
  margin: 0 0 10px;
  color: #909090;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 500;
}

.section {
  padding: 50px 0 30px;
  margin-top: 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  margin-bottom: 24px;
  gap: 24px;
}

.section h3 {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  font-weight: 700;
  color: var(--heading);
  margin: 0;
}

.section-note {
  max-width: 60ch;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.6;
}

.glass-panel {
  background: var(--bg-card);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 24px;
}

/* ---------- Overview / Stats ---------- */

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 220px);
  gap: 20px;
  align-items: stretch;
}

.overview-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1.05fr);
  align-items: center;
  gap: 28px;
  padding: 32px;
}

.overview-lead h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.45rem);
  font-weight: 600;
  line-height: 1.3;
  max-width: 18ch;
  margin: 0;
  color: var(--heading);
}

.overview-body p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
}

.stats-panel {
  background: var(--bg-card);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: stretch;
}

.stats-panel .overview-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  width: 100%;
  background: transparent;
  border: none;
}

.metric-card {
  background: transparent;
  border: none;
  padding: 12px 14px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stats-panel .compact-metric:first-child {
  border-bottom: 1px solid #2a2a2a;
}

.metric-label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.metric-card strong {
  display: block;
  margin-top: 0;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--heading);
}

/* ---------- Toolbar / Filters ---------- */

.toolbar {
  padding: 14px 18px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 28px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--panel-border);
}

.toolbar-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar-group + .toolbar-group {
  padding-top: 10px;
  border-top: 1px solid #2a2a2a;
}

.filter-button {
  border: 1px solid #333;
  background: transparent;
  border-radius: 999px;
  padding: 6px 14px;
  cursor: pointer;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text);
  transition: all 0.2s ease-in-out;
}

.filter-button:hover {
  color: var(--heading);
  background: #2a2a2a;
}

.filter-button.active {
  color: var(--heading);
  background: #2a2a2a;
  border-color: #555;
}

.filter-button.cat-global.active {
  color: var(--global);
  border-color: var(--global);
}

.filter-button.cat-local.active {
  color: var(--local);
  border-color: var(--local);
}

.filter-button.cat-controllable.active {
  color: var(--controllable);
  border-color: var(--controllable);
}

/* ---------- Pills ---------- */

.category-chip,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid #333;
  white-space: nowrap;
  background: rgba(0, 0, 0, 0.2);
}

.global { color: var(--global); border-color: rgba(66, 107, 154, 0.35); background: #eaf2fb; }
.local  { color: var(--local);  border-color: rgba(212, 95, 104, 0.35); background: #fff0f1; }
.controllable { color: var(--controllable); border-color: rgba(180, 123, 24, 0.35); background: #fff8e7; }
.image  { color: var(--image);  border-color: rgba(184, 79, 145, 0.35); background: #fff0f8; }

/* ---------- Featured Single Input region ---------- */

.featured-wrapper {
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1.6fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 28px;
}

.featured-ref {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.featured-ref-label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #888;
  font-size: 0.72rem;
  font-weight: 600;
}

.featured-ref-image {
  width: 100%;
  border-radius: 12px;
  border: 1px solid #333;
  background: #000;
  display: block;
  object-fit: cover;
  aspect-ratio: 1 / 1;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.featured-viewer {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.featured-viewer .comparison-slider {
  margin: 0;
}

.featured-prompt {
  background-color: #181818;
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  border: 1px solid #2a2a2a;
  color: #ddd;
  line-height: 1.55;
}

.featured-prompt strong { color: var(--heading); }

.featured-thumbs {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

.thumbnail-item {
  width: 90px;
  border: 3px solid #333;
  border-radius: 8px;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.2s ease-in-out;
  opacity: 0.6;
  background: #000;
  line-height: 0;
}

.thumbnail-item:hover {
  border-color: #777;
  transform: translateY(-3px);
  opacity: 1;
}

.thumbnail-item.active {
  border-color: var(--heading);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
  opacity: 1;
  transform: translateY(-3px);
}

.thumbnail-item video,
.thumbnail-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  aspect-ratio: 1 / 1;
}

/* ---------- Comparison slider (drag) ---------- */

.comparison-slider {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7);
  line-height: 0;
  background: #000;
  width: 100%;
  user-select: none;
}

.comparison-slider .video-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.comparison-slider .video-before {
  position: relative;
  z-index: 1;
}

.comparison-slider .video-after {
  z-index: 2;
  width: 100%;
  clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.comparison-slider video,
.comparison-slider img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.slider-handle {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.85);
  cursor: ew-resize;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-grabber {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  border: 2px solid #0a0a0a;
  position: relative;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.slider-grabber::before,
.slider-grabber::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 0;
  height: 0;
  border-style: solid;
  transform: translateY(-50%);
}
.slider-grabber::before {
  border-width: 5px 7px 5px 0;
  border-color: transparent #0a0a0a transparent transparent;
  left: 7px;
}
.slider-grabber::after {
  border-width: 5px 0 5px 7px;
  border-color: transparent transparent transparent #0a0a0a;
  right: 7px;
}

.slider-tag {
  position: absolute;
  top: 10px;
  background-color: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #f0f0f0;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  z-index: 4;
  pointer-events: none;
  line-height: normal;
}

.video-before .slider-tag { right: 10px; }
.video-after  .slider-tag { left: 10px; }

/* aspect frame for the slider so it has height */
.comparison-slider.aspect-16x10 { aspect-ratio: 16 / 10; }
.comparison-slider.aspect-1x1   { aspect-ratio: 1 / 1; }

/* ---------- Card grid ---------- */

.gallery-groups {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.gallery-group {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.gallery-group + .gallery-group {
  padding-top: 40px;
  border-top: 1px solid #2a2a2a;
}

.group-heading {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.group-heading-line {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.group-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid #333;
  color: var(--heading);
}

.group-heading-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.group-eyebrow { margin: 0; }

.group-title {
  margin: 0;
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 700;
  color: var(--heading);
}

.group-count {
  margin-left: auto;
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid #333;
}

.group-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
  max-width: 70ch;
}

.group-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.card {
  cursor: pointer;
  padding: 20px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--panel-border);
  transition: all 0.2s ease-in-out;
}

.card:hover {
  border-color: var(--panel-border);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(57, 86, 116, 0.18);
}

.card-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #2a2a2a;
}

.card-title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--heading);
}

.card-subtitle {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.5;
}

/* ---------- Dataset statistics ---------- */

.statistics-dashboard {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, .84fr);
  gap: 14px;
  align-items: stretch;
}

.stats-card {
  min-width: 0;
  padding: 18px 20px;
  border: 1px solid #d8e0e8;
  border-radius: 9px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(57, 86, 116, 0.055);
}

.stats-card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 11px;
}

.stats-card-heading h4 {
  margin: 2px 0 0;
  color: #1d3045;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.stats-kicker {
  color: #7c8b9b;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stats-total {
  color: var(--accent);
  font-size: 1.2rem;
}

.radial-chart {
  width: 100%;
  min-height: 510px;
  display: grid;
  place-items: center;
  overflow: visible;
}

.radial-chart svg {
  width: 100%;
  height: auto;
  overflow: visible;
  font-family: "Times New Roman", Georgia, serif;
}

.radial-chart text {
  fill: #222;
  font-size: 10px;
  font-weight: 600;
  font-weight: 500;
}

.radial-chart .radial-value {
  fill: #333;
  font-size: 11px;
  font-weight: 700;
}

.radial-chart .radial-center {
  fill: var(--heading);
  font-size: 15px;
  font-weight: 700;
}

.radial-chart .radial-center-sub {
  fill: var(--muted);
  font-size: 11px;
}

.radial-label { cursor: help; }
.radial-label:hover text,
.radial-label:focus text { fill: var(--accent); }

.stats-task-layout {
  display: grid;
  grid-template-columns: minmax(210px, 0.85fr) minmax(260px, 1.15fr);
  gap: 24px;
  align-items: center;
}

.stats-donut {
  width: min(100%, 290px);
  aspect-ratio: 1;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(from -90deg, var(--task-gradient));
  box-shadow: inset 0 0 0 1px rgba(23, 43, 67, 0.05);
}

.stats-donut::before {
  content: "";
  grid-area: 1 / 1;
  width: 43%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 4px 18px rgba(57, 86, 116, 0.12);
}

.stats-donut > div {
  grid-area: 1 / 1;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--heading);
  font-size: 0.8rem;
  line-height: 1.35;
}

.stats-donut > div span { color: var(--muted); }

.stats-task-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px 14px;
}

.stats-task-row {
  display: grid;
  grid-template-columns: 7px minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-width: 0;
  font-size: 0.72rem;
}

.stats-task-row i,
.stats-group-legend i {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.stats-task-row span {
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stats-task-row strong { color: var(--heading); }

.stats-group-legend {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--panel-border);
}

.stats-group-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.75rem;
}

.stats-side-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.stats-bars {
  height: 155px;
  display: flex;
  align-items: stretch;
  gap: 7px;
  padding-top: 20px;
}

.stats-bar-item {
  min-width: 0;
  flex: 1;
  display: grid;
  grid-template-rows: 15px minmax(0, 1fr) auto;
  gap: 5px;
  text-align: center;
}

.stats-bar-value {
  color: var(--heading);
  font-size: 0.62rem;
  font-weight: 600;
}

.stats-bar-track {
  position: relative;
  min-height: 70px;
  border-bottom: 1px solid #cad7e3;
  background: repeating-linear-gradient(to top, transparent 0 24%, rgba(109, 126, 145, 0.1) 25%);
}

.stats-bar-track i {
  position: absolute;
  right: 12%;
  bottom: 0;
  left: 12%;
  min-height: 3px;
  border-radius: 5px 5px 0 0;
  background: linear-gradient(180deg, color-mix(in srgb, var(--bar-color), white 18%), var(--bar-color));
  transition: filter 0.2s ease, transform 0.2s ease;
  transform-origin: bottom;
}

.stats-bar-item:hover .stats-bar-track i {
  filter: saturate(1.25);
  transform: scaleX(1.08);
}

.stats-bar-label {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.56rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.stats-reference-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.69rem;
  text-align: center;
  line-height: 1.35;
}

.stats-mini-donut {
  --stop: calc(var(--value) * 1%);
  width: 88px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--ring) 0 var(--stop), #e8eef4 var(--stop) 100%);
}

.stats-mini-donut::before {
  content: "";
  grid-area: 1 / 1;
  width: 66%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #fff;
}

.stats-mini-donut strong {
  grid-area: 1 / 1;
  z-index: 1;
  color: var(--heading);
  font-size: 0.82rem;
}

/* ---------- Paper figures ---------- */

.paper-figure-heading {
  margin-bottom: 24px;
}

.paper-figure-heading .section-note {
  max-width: 82ch;
  margin: 12px 0 0;
}

.paper-figure {
  margin: 0;
}

.paper-figure-frame {
  display: block;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 12px 34px rgba(57, 86, 116, 0.1);
  line-height: 0;
}

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

.paper-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.5;
  text-align: center;
}

/* ---------- Paper summary ---------- */

.paper-drawing-card {
  max-width: 900px;
  margin: 0 auto;
  padding: 14px;
  text-align: center;
}

.paper-diagram {
  position: relative;
  min-height: 430px;
  overflow: hidden;
  border-radius: 10px;
  background: linear-gradient(145deg, #f8fbfe, #e8f1f8);
}

.paper-diagram::before,
.paper-diagram::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(57, 121, 197, 0.14);
}

.paper-diagram::before { width: 360px; height: 360px; left: 50%; top: 45px; transform: translateX(-50%); }
.paper-diagram::after { width: 540px; height: 540px; left: 50%; top: -45px; transform: translateX(-50%); }

.diagram-node {
  position: absolute;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 90px;
  height: 52px;
  padding: 8px;
  border: 1px solid #b9cfe2;
  border-radius: 12px;
  background: rgba(255,255,255,.9);
  box-shadow: 0 7px 18px rgba(57,86,116,.12);
  color: #294563;
  font-size: .76rem;
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
}

.diagram-node.center {
  width: 142px;
  height: 82px;
  left: 50%;
  top: 172px;
  transform: translateX(-50%);
  border-color: #6fa4d7;
  background: #e4f0fc;
  color: #1d527f;
  font-size: .95rem;
}

.diagram-node.top { left: 50%; top: 22px; transform: translateX(-50%); }
.diagram-node.left-top { left: 10%; top: 102px; }
.diagram-node.right-top { right: 10%; top: 102px; }
.diagram-node.left-bottom { left: 10%; top: 285px; }
.diagram-node.right-bottom { right: 10%; top: 285px; }
.diagram-node.bottom { left: 50%; top: 358px; transform: translateX(-50%); }

.diagram-line {
  position: absolute;
  z-index: 0;
  height: 1px;
  background: #a9c2d8;
  transform-origin: left center;
}
.diagram-line.l1 { width: 190px; left: 50%; top: 110px; transform: rotate(145deg); }
.diagram-line.l2 { width: 190px; left: 50%; top: 110px; transform: rotate(35deg); }
.diagram-line.l3 { width: 170px; left: 50%; top: 248px; transform: rotate(205deg); }
.diagram-line.l4 { width: 170px; left: 50%; top: 248px; transform: rotate(-25deg); }
.diagram-line.l5 { width: 120px; left: 50%; top: 254px; transform: rotate(90deg); }

.paper-diagram-caption {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: .84rem;
  text-align: center;
}

.paper-figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.paper-figure-card {
  margin: 0;
  padding: 10px;
  overflow: hidden;
}

.paper-figure-card img {
  display: block;
  width: 100%;
  height: 330px;
  object-fit: cover;
  object-position: top;
  border-radius: 8px;
  background: #111;
}

.paper-figure-card figcaption {
  padding: 11px 8px 3px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.paper-summary-intro {
  padding: 22px 26px;
  border-left: 3px solid var(--accent);
}

.paper-summary-intro p,
.paper-summary-card p,
.paper-model-card p,
.paper-takeaways p {
  margin: 0;
  color: var(--text);
  line-height: 1.75;
}

.paper-stat-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.paper-stat {
  padding: 18px 12px;
  text-align: center;
}

.paper-stat strong {
  display: block;
  color: var(--heading);
  font-size: 1.65rem;
  line-height: 1.2;
}

.paper-stat span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.3;
}

.paper-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.paper-summary-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 22px;
}

.paper-summary-card h4,
.paper-model-card h4,
.paper-takeaways h4 {
  margin: 0 0 8px;
  color: var(--heading);
  font-size: 1.1rem;
  line-height: 1.35;
}

.paper-card-number {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.paper-model-card {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.8fr);
  gap: 28px;
  align-items: center;
  margin-top: 14px;
  padding: 24px;
}

.paper-result-callout {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border-radius: 10px;
  background: rgba(74, 144, 226, 0.1);
  border: 1px solid rgba(74, 144, 226, 0.35);
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.paper-result-callout strong {
  color: var(--heading);
  font-size: 1rem;
}

.paper-takeaways {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.4fr);
  gap: 28px;
  align-items: center;
  margin-top: 14px;
  padding: 24px;
  border: 1px solid #333;
  border-radius: 12px;
  background: linear-gradient(110deg, rgba(255,255,255,0.06), rgba(255,255,255,0.015));
}

@media (max-width: 800px) {
  .paper-figure-grid { grid-template-columns: 1fr; }
  .paper-figure-card img { height: 360px; }
  .paper-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .paper-model-card,
  .paper-takeaways { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .paper-figure-card img { height: 300px; }
  .paper-summary-grid { grid-template-columns: 1fr; }
  .paper-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .paper-summary-card { padding: 18px; }
}

/* ---------- Light blue presentation theme ---------- */
.glass-panel,
.hero-panel,
.toolbar,
.meta-box,
.citation-code-block {
  background-color: rgba(255, 255, 255, 0.78);
  border-color: var(--panel-border);
  box-shadow: 0 10px 28px rgba(57, 86, 116, 0.08);
}

.hero-cta,
.button,
.filter-button {
  background-color: #ffffff;
  border-color: var(--panel-border);
  color: var(--heading);
}

.hero-cta:hover,
.button:hover,
.filter-button:hover,
.filter-button.active {
  background-color: #dceafa;
  border-color: var(--accent);
  color: var(--heading);
}

.group-divider,
.gallery-group + .gallery-group {
  border-color: var(--panel-border);
}

.card-subtitle,
.section-note,
.meta-label,
.eyebrow {
  color: var(--muted);
}

/* Replace remaining dark rules with soft light-gray separators. */
.hero-cta,
.button,
.filter-button,
.glass-panel,
.hero-panel,
.toolbar,
.card,
.meta-box,
.citation-code-block,
.media-panel,
.thumbnail-item,
.pill,
.group-icon,
.citation-panel,
.paper-takeaways {
  border-color: #d2dbe4;
}

.group-divider,
.gallery-group + .gallery-group,
.card-header,
.card-meta {
  border-color: #d2dbe4;
}

.hero-cta:hover,
.button:hover,
.filter-button:hover {
  border-color: #b8c9d9;
}

.slider-grabber {
  border-color: #d2dbe4;
}

.slider-grabber::before {
  border-right-color: #8a9aaa;
}

.slider-grabber::after {
  border-left-color: #8a9aaa;
}

/* ---------- Card body: source/result via slider for video tasks ---------- */

.card-media {
  margin: 16px 0;
}

.card-media .comparison-slider {
  border-radius: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

/* still images: show source/result side by side using the same slider */
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.media-panel {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #000;
  border: 1px solid #2a2a2a;
}

.media-panel video,
.media-panel img,
.media-fallback {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* corner-tag style on each media panel (like EditVerse before/after) */
.media-panel::after {
  position: absolute;
  background-color: rgba(30, 30, 30, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  color: #f0f0f0;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  z-index: 1;
  pointer-events: none;
}

.media-panel[data-corner="source"]::after {
  content: "Source";
  top: 10px;
  left: 10px;
}

.media-panel[data-corner="after"]::after {
  content: "Target";
  bottom: 10px;
  right: 10px;
}

.media-fallback {
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.02);
}

/* ---------- Card meta (prompt + ref) ---------- */

.card-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  gap: 12px;
}

.card-meta.has-ref-image,
.card-meta.text-ref,
.card-meta.no-ref {
  grid-template-columns: minmax(0, 1fr);
}

.meta-box {
  padding: 12px 14px;
  border-radius: 8px;
  background: #181818;
  border: 1px solid #2a2a2a;
  min-width: 0;
}

.meta-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.meta-box strong {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--heading);
}

.meta-ref-body {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

img.meta-ref-thumb {
  width: 76px;
  height: 76px;
  border-radius: 8px;
  object-fit: cover;
  border: 1px solid #333;
  flex-shrink: 0;
  display: block;
  background: #000;
}

.meta-prompt-text {
  margin: 0;
  color: #ddd;
  font-size: 0.95rem;
  line-height: 1.55;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.tags-label {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-right: 4px;
}

.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text);
  background: #222;
  border: 1px solid #333;
  white-space: nowrap;
}

.tag-chip:hover {
  color: var(--heading);
  border-color: #555;
}

/* ---------- Citation (EditVerse style: centered <pre>, dark mono) ---------- */

.citation-panel {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
  background: transparent;
  border: none;
  padding: 0;
}

.citation-heading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.citation-heading h3 {
  text-align: center;
}

.citation-note {
  margin: 0 auto 24px;
  max-width: 60ch;
  text-align: center;
  color: var(--muted);
}

.citation-code-block {
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  overflow: visible;
}

.citation-bib {
  margin: 0 auto;
  max-width: 800px;
  background-color: #161616;
  color: #e0e0e0;
  padding: 25px;
  border-radius: 8px;
  border: 1px solid #2a2a2a;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'SF Mono', 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  text-align: left;
}

.citation-status {
  min-height: 1.4em;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* override .button used by Copy BibTeX */
.button {
  color: var(--heading);
  border: 1px solid #333;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.button:hover {
  background-color: #dceafa;
  border-color: #555555;
  color: var(--heading);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(180, 180, 180, 0.2);
}

/* ---------- Modal ---------- */

.preview-modal {
  width: min(1100px, calc(100% - 24px));
  border: 1px solid var(--panel-border);
  background: var(--bg-2);
  color: var(--text);
  border-radius: 12px;
  padding: 22px;
}

.preview-modal::backdrop {
  background: rgba(0, 0, 0, 0.78);
}

.preview-modal.modal-open-fallback {
  position: fixed;
  inset: 0;
  margin: auto;
  z-index: 1000;
  max-height: calc(100vh - 32px);
  overflow: auto;
  display: block;
}

.close-modal {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid #333;
  background: #1a1a1a;
  color: var(--heading);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 18px;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

.close-modal:hover {
  background: #555;
  border-color: #555;
}

.modal-content { margin-top: 18px; }

.modal-content .glass-panel {
  background: var(--bg-card);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 24px;
}

.modal-content h3 { color: var(--heading); }

.modal-content .prompt {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #181818;
  border: 1px solid #2a2a2a;
  color: #ddd;
  font-size: 0.95rem;
  line-height: 1.55;
}

.modal-content .media-grid { margin-top: 22px; }

.modal-ref-row {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 8px;
  background: #181818;
  border: 1px solid #2a2a2a;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

img.modal-ref-thumb {
  width: auto;
  height: 280px;
  max-height: 280px;
  max-width: 100%;
  border-radius: 8px;
  object-fit: contain;
}

/* ---------- Responsive ---------- */

/* ---------- Light surfaces for text, references, and modal ---------- */
.featured-ref-image,
.featured-prompt,
.tag-chip,
.meta-prompt,
.meta-ref,
.meta-ref-slot,
.modal-content .prompt,
.modal-ref-row,
.citation-bib {
  background: #f7fafd;
  border-color: #d2dbe4;
  color: var(--text);
}

.featured-prompt strong,
.modal-content .prompt strong,
.citation-bib,
.modal-content h3 {
  color: var(--heading);
}

.featured-ref-image {
  box-shadow: 0 8px 30px rgba(57, 86, 116, 0.12);
}

.stats-panel .compact-metric:first-child,
.toolbar-group + .toolbar-group {
  border-color: #d2dbe4 !important;
}

/* Prompt copy should remain highly readable on the light surface. */
.meta-prompt-text {
  color: #172b43 !important;
}

.preview-modal {
  background: #f7fafd;
  border-color: #cbd8e5;
  box-shadow: 0 24px 80px rgba(57, 86, 116, 0.22);
}

.preview-modal::backdrop {
  background: rgba(49, 74, 101, 0.34);
}

.close-modal {
  background: #ffffff;
  border-color: #d2dbe4;
  color: var(--heading);
}

.close-modal:hover {
  background: #dceafa;
  border-color: #b8c9d9;
}

/* Keep the opened card fully within the light theme. */
.preview-modal,
.preview-modal .modal-content,
.preview-modal .modal-content .glass-panel,
.preview-modal .media-grid,
.preview-modal .media-panel,
.preview-modal .modal-ref-row,
.preview-modal .modal-content .prompt {
  border-color: #d2dbe4 !important;
}

.preview-modal .media-panel {
  box-shadow: 0 6px 20px rgba(57, 86, 116, 0.1);
}

@media (max-width: 980px) {
  .statistics-dashboard { grid-template-columns: 1fr; }

  .intro-grid,
  .section-heading,
  .overview-panel,
  .group-grid,
  .featured-wrapper,
  .card-meta {
    grid-template-columns: 1fr;
  }

  .stats-panel .overview-metrics {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .gallery-groups { gap: 36px; }
  .gallery-group + .gallery-group { padding-top: 28px; }
  .group-count { margin-left: 0; }

  .featured-ref-image { aspect-ratio: 16 / 10; }
}

@media (max-width: 640px) {
  .stats-card { padding: 16px; }
  .stats-task-layout,
  .stats-side-grid { grid-template-columns: 1fr; }
  .radial-chart { min-height: 300px; }
  .radial-chart text { font-size: 8px; }
  .radial-chart .radial-value { font-size: 9px; }
  .stats-task-list { grid-template-columns: 1fr; }
  .stats-donut { width: min(82vw, 270px); }
  .stats-bars { height: 170px; gap: 4px; }
  .stats-bar-label { font-size: 0.52rem; }

  .page-shell {
    width: min(100% - 20px, var(--container-width));
    padding-top: 16px;
  }

  .hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .hero-subtitle { font-size: 1.05rem; }
  .glass-panel { padding: 18px; }
  .paper-figure-heading { margin-bottom: 18px; }
  .paper-figure-frame { border-radius: 8px; }
}