/* ── Editorial / low-contrast palette ─────────────────────────────────────
   Warm paper bg, near-black text, deep sage accent, muted category hues.
   No saturated blues or purples.
   ──────────────────────────────────────────────────────────────────────── */
:root {
  color-scheme: only light;

  --bg:         #f5f3ee;
  --bg-soft:    #ede9e0;
  --surface:    #ffffff;
  --surface-2:  #faf8f3;
  --border:     #e3dfd5;
  --border-2:   #cfc9b9;

  --text:       #1a1a18;
  --text-2:     #5b5b56;
  --text-3:     #8a877f;
  --muted:      #aaa69b;

  /* Accent: deep muted forest (the only chromatic accent) */
  --accent:     #3f5b54;
  --accent-2:   #5a7a72;
  --accent-bg:  #eaedea;

  /* Category — desaturated, harmonious */
  --rigid:       #4a5a6a;
  --deform:      #5e7a64;
  --particle:    #a07a49;
  --kine:        #7a5e72;
  --rigid-bg:    #ecedf0;
  --deform-bg:   #eaeee9;
  --particle-bg: #f1ebe1;
  --kine-bg:     #efeaec;

  /* Delta */
  --good:        #5a7a52;
  --good-bg:     #ecf0e7;
  --mid:         #9a7a42;
  --mid-bg:      #f1ebde;
  --bad:         #9a5a52;
  --bad-bg:      #efe5e2;

  --shadow-sm: 0 1px 2px rgba(26,26,24,0.04);
  --shadow-md: 0 6px 18px -10px rgba(26,26,24,0.18);
  --shadow-lg: 0 24px 50px -30px rgba(26,26,24,0.28);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body { background: var(--bg); color: var(--text); }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased; text-align: left;
}
a { color: inherit; }

/* ── Floating nav ──────────────────────────────────────────────────────── */
.floating-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  display: none; justify-content: center; gap: 4px;
  padding: 10px 20px;
  background: rgba(245,243,238,0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%); opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.floating-nav.visible { display: flex; transform: translateY(0); opacity: 1; }
.floating-nav-link {
  color: var(--text-2); text-decoration: none;
  font-size: 0.8rem; font-weight: 500;
  padding: 6px 14px; border-radius: 16px;
  transition: color 0.18s, background-color 0.18s; white-space: nowrap;
}
.floating-nav-link:hover { color: var(--text); background: var(--bg-soft); }
.floating-nav-link.active { color: var(--surface); background: var(--text); }
@media (max-width: 900px) { .floating-nav { display: none !important; } }

/* ── Hero ──────────────────────────────────────────────────────────────── */
.header-wrapper {
  background: linear-gradient(180deg, #f0ede5 0%, #ebe7dc 60%, #e7e2d4 100%);
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--border);
}
/* gentle off-white wash so the video mosaic shows through clearly */
.header-wrapper::before {
  content: '';
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg,
      rgba(245,243,238,0.20) 0%,
      rgba(245,243,238,0.10) 40%,
      rgba(245,243,238,0.30) 100%);
  pointer-events: none;
}
/* paper-grain dot lattice */
.header-wrapper::after {
  content: '';
  position: absolute; inset: 0; z-index: 2;
  background-image: radial-gradient(rgba(26,26,24,0.05) 1px, transparent 1.2px);
  background-size: 24px 24px;
  pointer-events: none;
  opacity: 0.55;
}

.header-bg-mosaic {
  position: absolute; inset: 0; z-index: 0;
  display: grid;
  grid-template-columns: repeat(16, 1fr);
  grid-template-rows: repeat(6, 1fr);
  opacity: 0.92;
  filter: saturate(0.9) contrast(0.97);
  gap: 1px;
}
.header-bg-mosaic video {
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}

.header-container {
  position: relative; z-index: 3;
  display: flex; justify-content: center; align-items: center;
  padding: 96px 50px 80px;
}
.header-content {
  color: var(--text); text-align: left; max-width: 920px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 42px 46px;
  box-shadow: var(--shadow-lg);
}

.header-eyebrow {
  display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 22px;
}
.pill {
  font-size: 0.7rem; font-weight: 500;
  color: var(--text-2);
  background: rgba(255,255,255,0.65);
  border: 1px solid var(--border);
  padding: 3px 11px; border-radius: 20px;
  letter-spacing: 0.06em; text-transform: uppercase;
  white-space: nowrap;
}

.header-content h1 {
  font-weight: 700;
  line-height: 1.05; margin-bottom: 0.6em; color: var(--text);
  display: flex; flex-direction: column; gap: 0.18em;
}
.title-acronym {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 2.6em; font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  font-style: normal;
  font-variation-settings: "opsz" 144, "SOFT" 50;
  display: inline-flex; align-items: center; gap: 0.32em;
  line-height: 1;
}
.title-acronym .title-logo {
  height: 1.1em; width: auto; display: block;
  flex-shrink: 0;
}
.title-acronym-text {
  /* hooks for any future per-text-only treatment */
  display: inline-block;
}
.title-subtitle {
  font-size: 1.05em; font-weight: 500; color: var(--text);
  line-height: 1.35;
  max-width: 42ch;
}

/* In-card author byline (replaces the separate .byline section) */
.header-byline {
  margin: 0 0 22px;
  padding: 14px 0 16px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.hb-authors {
  font-size: 0.98em; line-height: 1.55; color: var(--text);
  margin-bottom: 6px;
}
.hb-authors .author-link {
  color: var(--accent); text-decoration: none; white-space: nowrap;
  font-weight: 500;
}
.hb-authors .author-link:hover {
  text-decoration: underline; text-underline-offset: 3px;
}
.hb-meta {
  font-size: 0.82em; color: var(--text-3);
  display: flex; flex-wrap: wrap; gap: 0 8px; align-items: baseline;
}
.hb-affiliation { color: var(--text-2); font-weight: 500; }
.hb-sep { color: var(--muted); }
.hb-foot { color: var(--text-3); }

.header-content .header-description {
  font-size: 1.0em; line-height: 1.7; color: var(--text-2);
  margin-bottom: 1.6em; max-width: 56ch;
  text-align: left;
}
.header-content .header-description strong { color: var(--text); font-weight: 600; }
.header-content .header-description em {
  color: var(--accent); font-style: italic; font-weight: 500;
}

.header-links { display: flex; flex-wrap: wrap; gap: 7px; }
.header-links a.button {
  font-size: 0.85em; font-weight: 500;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-2); border-radius: 2px;
  padding: 8px 16px; text-decoration: none;
  display: inline-flex; align-items: center; gap: 7px;
  transition: all 0.18s ease;
}
.header-links a.button:hover {
  border-color: var(--text); color: var(--text);
  background: var(--surface);
  transform: translateY(-1px);
}
.header-links a.button.primary {
  background: var(--text); color: var(--surface);
  border-color: var(--text);
}
.header-links a.button.primary:hover {
  background: #000; border-color: #000; color: var(--surface);
}
.header-links .icon { display: inline-flex; align-items: center; }
.btn-logo {
  height: 16px; width: auto; display: inline-block; vertical-align: middle;
}
/* CTA banner has a dark background; invert the GitHub mark so it stays legible. */
.cta-banner .button .btn-logo { filter: invert(1) brightness(1.05); }
.cta-banner .button.primary .btn-logo { filter: none; }

/* TL;DR ribbon */
.tldr-ribbon {
  margin-top: 28px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  padding-top: 22px; border-top: 1px solid var(--border);
}
.tldr-item { text-align: left; }
.tldr-num {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600; font-size: 1.9em;
  color: var(--text);
  line-height: 1.0;
  letter-spacing: -0.02em;
}
.tldr-label {
  font-size: 0.7rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-3); margin-top: 6px;
}

@media (max-width: 767px) {
  .header-container { padding: 56px 18px 50px; }
  .header-content { padding: 26px 22px; }
  .title-acronym { font-size: 1.9em; }
  .title-subtitle { font-size: 0.95em; }
  .tldr-ribbon { grid-template-columns: repeat(2, 1fr); }
  .header-bg-mosaic { grid-template-columns: repeat(8, 1fr); grid-template-rows: repeat(12, 1fr); }
}

/* ── Byline ───────────────────────────────────────────────────────────── */
.byline {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 26px 5px; text-align: center;
  background: var(--surface);
}
.byline-authors {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0 0.3em; font-size: 1.0em; line-height: 1.7; margin-bottom: 0.4em;
}
.byline-authors .author-link {
  color: var(--accent); text-decoration: none; white-space: nowrap;
  font-weight: 500;
}
.byline-authors .author-link:hover {
  text-decoration: underline; text-underline-offset: 3px;
}
.byline-footnotes { font-size: 0.83em; color: var(--text-3); margin-bottom: 0.3em; }
.byline-footnotes span { margin-right: 1em; }
.byline-affiliation { font-size: 0.98em; font-weight: 500; color: var(--text-2); }

/* ── Content layout ────────────────────────────────────────────────────── */
.content-section {
  grid-column: screen !important;
  max-width: 1120px; width: 100%;
  margin: 0 auto; padding: 56px 50px;
}
@media (max-width: 480px) { .content-section { padding: 40px 22px; } }
.content-section .text { width: 100%; margin: 0; }

.section-header { margin-bottom: 1.1em; }
.section-kicker {
  display: inline-block;
  font-size: 0.72rem; font-weight: 600;
  color: var(--accent); letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 10px;
}

/* ── Typography ────────────────────────────────────────────────────────── */
.text {
  width: 100%; margin: 0;
  font-size: 1.0rem; line-height: 1.7; color: var(--text-2);
  text-align: left;
}
h1.text { font-size: 1.9em; color: var(--text); font-weight: 700; }
h2.text {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 2.0em; font-weight: 600; color: var(--text);
  letter-spacing: -0.015em; line-height: 1.15;
  font-variation-settings: "opsz" 144, "SOFT" 40;
}
h3.text { font-size: 1.05em; color: var(--text); font-weight: 600; margin: 1.5em 0 0.5em; }
.section-lead {
  font-size: 1.02em; max-width: 72ch; color: var(--text-2);
}
.section-lead strong { color: var(--text); font-weight: 600; }
.section-lead em { color: var(--accent); font-style: italic; font-weight: 500; }

.caption-text {
  font-size: 0.85rem; color: var(--text-3); margin-top: 0.8em;
}

.subsection-title {
  margin: 2.2em 0 0.7em !important;
  font-size: 0.78rem !important;
  color: var(--text-3) !important; font-weight: 600 !important;
  text-transform: uppercase; letter-spacing: 0.16em;
  border-top: 1px solid var(--border); padding-top: 1.2em !important;
}

figcaption { font-size: 0.88em; margin-top: 0.6em; text-align: center; color: var(--text-3); }

/* ── Abstract / highlight box ──────────────────────────────────────────── */
.highlight-box {
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.05rem; line-height: 1.7;
  text-align: left; margin: 14px 0;
  padding: 28px 32px;
  color: var(--text);
  position: relative;
}
.highlight-box strong { color: var(--text); font-weight: 600; }
.highlight-box em { color: var(--accent); font-style: italic; font-weight: 500; }

/* ── Teaser figure ─────────────────────────────────────────────────────── */
.teaser-figure {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 22px 24px 14px;
  text-align: center;
  margin: 0 0 32px;
}
.teaser-figure img {
  max-width: 100%; height: auto;
  display: block; margin: 0 auto;
}
.teaser-figure figcaption {
  margin-top: 16px; padding-top: 14px;
  border-top: 1px solid var(--border);
  font-family: 'Fraunces', Georgia, serif;
  color: var(--text-2); font-size: 0.92rem; line-height: 1.6;
  max-width: 78ch; margin-left: auto; margin-right: auto;
  font-style: italic;
}

.teaser-intro {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.15rem; line-height: 1.55; color: var(--text);
  text-align: center; margin: 4px auto 22px;
  max-width: 64ch;
}

/* Two-questions cards */
.two-questions {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 18px; margin: 0 0 8px;
}
.qcard {
  display: grid; grid-template-columns: 56px 1fr;
  gap: 18px; align-items: start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 22px 24px;
}
.qcard .q-num {
  font-family: 'Fraunces', Georgia, serif;
  font-style: italic;
  font-size: 2.0em; font-weight: 600;
  color: var(--accent);
  line-height: 1; letter-spacing: -0.02em;
}
.qcard h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.18em; font-weight: 600;
  color: var(--text); line-height: 1.3;
  margin-bottom: 10px;
}
.qcard h3 em {
  color: var(--accent);
  font-style: italic; font-weight: 600;
}
.qcard p {
  font-size: 0.93rem; line-height: 1.7; color: var(--text-2);
}
.qcard p strong { color: var(--text); font-weight: 600; }
.qcard p em { color: var(--accent); font-style: italic; font-weight: 500; }

@media (max-width: 800px) {
  .two-questions { grid-template-columns: 1fr; }
}

/* ── Jump row ──────────────────────────────────────────────────────────── */
.section-jump-label {
  text-align: center !important;
  color: var(--text-3) !important;
  font-size: 0.74rem !important; font-weight: 600;
  letter-spacing: 0.18em; margin: 2.4em 0 1em !important;
  text-transform: uppercase;
}
.icon-row {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 8px; width: 100%; padding: 4px 0;
}
.icon-link {
  display: flex; flex-direction: column; align-items: flex-start;
  text-align: left; color: var(--text-2);
  padding: 14px 16px; gap: 4px;
  border: 1px solid var(--border);
  background: var(--surface); text-decoration: none;
  font-size: 0.78rem; line-height: 1.3;
  transition: all 0.18s ease;
}
.icon-link span { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-3); }
.icon-link b { color: var(--text); font-weight: 600; font-size: 0.92rem; }
.icon-link:hover {
  border-color: var(--text); color: var(--text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
@media (max-width: 700px) { .icon-row { grid-template-columns: repeat(2, 1fr); } }

/* ── Inline atoms ──────────────────────────────────────────────────────── */
.kbd {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace; font-size: 0.82em;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--border); border-radius: 3px;
  padding: 0px 6px; margin: 0 1px;
  white-space: nowrap;
}

/* ── Filter pills ──────────────────────────────────────────────────────── */
.filter-bar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 7px;
  margin: 14px 0 22px;
}
.filter-pill {
  font-size: 0.8rem; font-weight: 500;
  background: var(--surface); color: var(--text-2);
  border: 1px solid var(--border); border-radius: 18px;
  padding: 6px 14px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
  transition: all 0.18s ease;
}
.filter-pill:hover { border-color: var(--text); color: var(--text); }
.filter-pill.active {
  background: var(--text); color: var(--surface);
  border-color: var(--text);
}
.filter-count {
  font-size: 0.68rem; padding: 1px 6px; border-radius: 8px;
  background: var(--bg-soft); color: var(--text-3);
  font-weight: 600;
}
.filter-pill.active .filter-count { background: rgba(255,255,255,0.18); color: var(--surface); }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; }
.dot-rigid    { background: var(--rigid); }
.dot-deform   { background: var(--deform); }
.dot-particle { background: var(--particle); }
.dot-kine     { background: var(--kine); }

/* ── Category badges ───────────────────────────────────────────────────── */
.cat-badge {
  display: inline-block; font-size: 0.66rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  padding: 3px 10px; border-radius: 2px;
}
.cat-rigid    { background: var(--rigid-bg);    color: var(--rigid); }
.cat-deform   { background: var(--deform-bg);   color: var(--deform); }
.cat-particle { background: var(--particle-bg); color: var(--particle); }
.cat-kine     { background: var(--kine-bg);     color: var(--kine); }

/* ── Benchmark env cards (2 col × 4 rows) ──────────────────────────────── */
.env-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 20px; margin: 6px 0 4px;
}
.env-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 22px 22px 18px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.env-card.hidden { display: none; }
.env-card:hover { border-color: var(--border-2); }

.env-card header { margin-bottom: 14px; }
.env-card header h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.5em; font-weight: 600; color: var(--text);
  margin: 6px 0 5px; line-height: 1.15;
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
}
.env-card .env-dim {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6em; font-weight: 500; color: var(--text-3);
  background: var(--bg-soft); padding: 2px 8px;
  border-radius: 3px; line-height: 1.4;
}
.env-card header p {
  font-size: 0.9rem; color: var(--text-2); line-height: 1.55;
}
.env-card footer.env-shift {
  margin-top: 14px;
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.82rem;
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  padding: 8px 12px;
  width: 100%;
}
.env-shift .shift-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.66rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent);
  flex-shrink: 0;
}
.env-shift .shift-text {
  color: var(--text); font-weight: 500;
}
.env-shift .shift-text em {
  color: var(--accent); font-style: italic; font-weight: 600;
}

.env-pair {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.gt-only {
  position: relative;
  display: flex; flex-direction: column;
}
.gt-only .vid-label {
  margin-top: 8px;
  font-size: 0.78rem; font-weight: 500;
  color: var(--text-2);
  display: inline-flex; align-items: center; gap: 7px;
  line-height: 1.3;
}
.gt-only .vid-label .lbl-tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.64rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  padding: 2px 7px; border-radius: 2px;
  line-height: 1.5;
}
.gt-only .vid-label-ind {
  color: var(--accent);
}
.gt-only .vid-label-ind .lbl-tag {
  background: var(--accent-bg); color: var(--accent);
}
.gt-only .vid-label-ood {
  color: var(--bad);
}
.gt-only .vid-label-ood .lbl-tag {
  background: var(--bad-bg); color: var(--bad);
}

/* Crop only the left (GT) half of the source video.
   Source videos are side-by-side GT|Pred at 480x240 (GT=240x240 square),
   except Push Sand at 800x240 (GT=400x240, 5:3 landscape) — for those we
   use crop-gt-pad which keeps a 1:1 frame and letterboxes the wider GT
   with equal top/bottom padding (no vertical squeeze, no vertical crop). */
.crop-gt {
  position: relative; width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #15140f;
}
.crop-gt video {
  position: absolute; top: 0; left: 0;
  width: 200%; height: 100%;
  object-fit: cover;
  object-position: left center;
  display: block;
}
/* Push Sand: keep square, letterbox vertically with WHITE bars.
   GT half = 400x240 (5:3). The GT shows at its natural aspect with equal
   top/bottom white padding — no vertical squeeze, no vertical crop. */
.crop-gt.crop-gt-pad {
  aspect-ratio: 1 / 1;
  background: #ffffff;
}
.crop-gt.crop-gt-pad video {
  position: absolute; top: 50%; left: 0;
  width: 200%;            /* show left half via container clip */
  height: auto;           /* preserve aspect → no vertical squeeze */
  transform: translateY(-50%);
  object-fit: fill;       /* fill the 200%-wide box exactly */
}

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

/* ── Model figure ──────────────────────────────────────────────────────── */
.model-one-liner {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.15em !important; color: var(--text);
  max-width: 70ch; margin: 6px 0 28px;
}
.model-figure {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 32px 32px 18px;
  text-align: center;
}
.model-figure img {
  max-width: 100%; height: auto;
  display: block; margin: 0 auto;
}
.model-figure figcaption {
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid var(--border);
  color: var(--text-3); font-size: 0.85rem;
  max-width: 70ch; margin-left: auto; margin-right: auto;
}

/* ── Results: stacked per-environment rows (InD on top, OoD below) ──────── */
.result-list {
  border-top: 1px solid var(--border);
  margin: 22px 0 0;
}
.result-row {
  padding: 36px 0 40px;
  border-bottom: 1px solid var(--border);
  /* hold the row content to a comfortable reading column so the
     full-bleed videos don't dominate the page */
  --result-w: 680px;
}
.result-head {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  margin: 0 auto 18px;
  max-width: var(--result-w);
}
.result-head h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.7em; font-weight: 600; color: var(--text);
  margin: 0; line-height: 1.1;
  font-variation-settings: "opsz" 144, "SOFT" 40;
}

.result-vid {
  margin: 0 auto 14px;
  max-width: var(--result-w);
}
.result-vid figcaption {
  font-size: 0.78rem; font-weight: 500; color: var(--text-2);
  margin-bottom: 8px; text-align: left;
  display: inline-flex; align-items: center; gap: 9px;
}
.result-vid figcaption .lbl-tag {
  font-family: 'Inter', sans-serif;
  font-size: 0.66rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  padding: 2px 8px; border-radius: 2px;
  line-height: 1.5;
}
.result-vid figcaption .lbl-ind {
  background: var(--accent-bg); color: var(--accent);
}
.result-vid figcaption .lbl-ood {
  background: var(--bad-bg); color: var(--bad);
}
.result-vid video {
  width: 100%; height: auto; display: block;
  background: #15140f;
  border: 1px solid var(--border);
}

/* ── Carousel for result clips ─────────────────────────────────────────── */
.result-carousel { position: relative; }
.carousel-stage {
  position: relative; cursor: pointer;
}
.carousel-stage::after {
  /* tiny hint that the video is clickable to advance */
  content: '\203A'; /* ›  */
  position: absolute; right: 14px; bottom: 50%;
  transform: translateY(50%);
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.5rem; font-weight: 500;
  color: #fff;
  background: rgba(26,26,24,0.45);
  border-radius: 50%;
  opacity: 0; transition: opacity 0.18s ease;
  pointer-events: none;
}
.carousel-stage:hover::after { opacity: 1; }

.carousel-controls {
  display: flex; align-items: center; gap: 10px;
  margin-top: 10px;
  padding: 6px 0;
  font-family: 'Inter', sans-serif;
}
.carousel-arrow {
  appearance: none; background: transparent;
  border: 1px solid var(--border); border-radius: 50%;
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text-2);
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.0rem; line-height: 1;
  transition: all 0.15s ease;
  padding: 0;
}
.carousel-arrow:hover {
  border-color: var(--accent); color: var(--accent);
  background: var(--accent-bg);
}
.carousel-arrow:active { transform: scale(0.96); }

.carousel-dots {
  display: inline-flex; align-items: center; gap: 8px;
  flex: 1; justify-content: center;
}
.carousel-dots .dot {
  appearance: none; background: var(--border-2);
  border: none; cursor: pointer;
  width: 8px; height: 8px; border-radius: 50%;
  padding: 0;
  transition: all 0.15s ease;
}
.carousel-dots .dot:hover { background: var(--text-3); transform: scale(1.15); }
.carousel-dots .dot.active {
  background: var(--accent);
  width: 22px; border-radius: 4px;
}
.result-carousel:has(.lbl-ood) .carousel-dots .dot.active { background: var(--bad); }
.result-carousel:has(.lbl-ood) .carousel-arrow:hover { color: var(--bad); border-color: var(--bad); background: var(--bad-bg); }

.carousel-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem; color: var(--text-3);
  min-width: 36px; text-align: right;
  font-variant-numeric: tabular-nums;
}
.carousel-counter b { color: var(--text); font-weight: 500; }
.counter-sep { margin: 0 2px; }

.result-analysis {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 0.98rem; line-height: 1.7;
  color: var(--text-2);
  max-width: var(--result-w);
  margin: 12px auto 0;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

@media (max-width: 720px) {
  .result-row { --result-w: 100%; }
}

/* ── Delta tokens ──────────────────────────────────────────────────────── */
.delta {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace; font-size: 0.78em;
  padding: 1px 7px; border-radius: 3px;
  font-weight: 500; line-height: 1.5;
  white-space: nowrap;
}
.delta-flat { background: var(--good-bg); color: var(--good); }
.delta-good { background: var(--good-bg); color: var(--good); }
.delta-mid  { background: var(--mid-bg);  color: var(--mid); }
.delta-bad  { background: var(--bad-bg);  color: var(--bad); }

/* ── Metric table ──────────────────────────────────────────────────────── */
.metric-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 22px;
  overflow-x: auto;
}
.metric-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.88rem;
}
.metric-table th, .metric-table td {
  padding: 9px 10px; text-align: center; color: var(--text-2);
}
.metric-table thead th {
  font-size: 0.72rem; font-weight: 600;
  color: var(--text-3); border-bottom: 1px solid var(--border);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.metric-table tbody tr { border-bottom: 1px solid var(--border); }
.metric-table tbody tr:last-child { border-bottom: none; }
.metric-table tbody td { font-family: 'JetBrains Mono', monospace; font-size: 0.84em; }
.metric-table tbody td.env-name {
  font-family: 'Inter', sans-serif;
  font-weight: 500; color: var(--text); text-align: left;
  font-size: 0.9em;
}
.th-ind { color: var(--text) !important; border-bottom: 2px solid var(--accent) !important; }
.th-ood { color: var(--text) !important; border-bottom: 2px solid var(--bad)    !important; }
.cat-cell {
  font-family: 'Inter', sans-serif !important;
  font-weight: 600 !important; text-align: left !important;
  font-size: 0.72rem !important; letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cat-cell.cat-rigid    { color: var(--rigid); }
.cat-cell.cat-deform   { color: var(--deform); }
.cat-cell.cat-particle { color: var(--particle); }
.cat-cell.cat-kine     { color: var(--kine); }

/* ── Ablation cards (no videos) ────────────────────────────────────────── */
.abl-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 26px 28px;
  margin: 14px 0;
}
.abl-card header { margin-bottom: 14px; }
.abl-tag {
  display: inline-block; font-size: 0.7rem; font-weight: 600;
  color: var(--accent); background: var(--accent-bg);
  padding: 3px 10px; border-radius: 2px; margin-bottom: 10px;
  letter-spacing: 0.1em; text-transform: uppercase;
}
.abl-card h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.35em; font-weight: 600; color: var(--text);
  line-height: 1.25;
}
.abl-card p {
  font-size: 0.95rem; color: var(--text-2); line-height: 1.7;
  margin: 0 0 18px;
}
.abl-card p strong { color: var(--text); font-weight: 600; }

.mini-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.85rem;
}
.mini-table th, .mini-table td {
  padding: 8px 10px; text-align: left;
}
.mini-table thead th {
  font-size: 0.7rem; color: var(--text-3); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
}
.mini-table tbody td {
  font-family: 'JetBrains Mono', monospace; font-size: 0.85em;
  color: var(--text-2); border-bottom: 1px solid var(--border);
}
.mini-table tbody td:first-child {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500; color: var(--text); font-size: 0.95em;
}
.mini-table tbody tr:last-child td { border-bottom: none; }
.mini-table .row-best td {
  background: var(--accent-bg);
}
.mini-table .row-best td:first-child { color: var(--accent); }

/* ── Findings list ─────────────────────────────────────────────────────── */
.finding-list {
  list-style: none;
  border-top: 1px solid var(--border);
  margin: 12px 0 30px;
}
.finding-list > li {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.finding-num {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 2.2em; font-weight: 500; color: var(--text-3);
  letter-spacing: -0.02em; line-height: 1;
}
.finding-list h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.2em; font-weight: 600; color: var(--text);
  margin-bottom: 8px; line-height: 1.3;
}
.finding-list h4 em { color: var(--accent); font-style: italic; font-weight: 500; }
.finding-list p { font-size: 0.94rem; color: var(--text-2); line-height: 1.7; }
.finding-list p strong { color: var(--text); font-weight: 600; }
.finding-list p em { color: var(--accent); font-style: italic; }

/* ── CTA banner ────────────────────────────────────────────────────────── */
.cta-banner {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 22px;
  background: var(--text); color: var(--surface);
  padding: 30px 34px; margin-top: 22px;
}
.cta-banner h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.3em; font-weight: 600; color: var(--surface);
  margin-bottom: 6px;
}
.cta-banner p {
  font-size: 0.92rem; color: rgba(255,255,255,0.75); max-width: 560px;
  line-height: 1.6;
}
.cta-buttons { display: flex; gap: 8px; flex-wrap: wrap; }
.cta-banner .button {
  background: transparent; color: var(--surface);
  border: 1px solid rgba(255,255,255,0.3); border-radius: 2px;
  padding: 9px 18px; font-size: 0.88em; font-weight: 500;
  text-decoration: none; display: inline-flex; align-items: center; gap: 5px;
  transition: all 0.18s ease;
}
.cta-banner .button:hover { border-color: rgba(255,255,255,0.7); }
.cta-banner .button.primary {
  background: var(--surface); color: var(--text); border-color: var(--surface);
}
.cta-banner .button.primary:hover { background: #f0eee8; color: var(--text); }

/* ── BibTeX ────────────────────────────────────────────────────────────── */
.bibtex-container {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 22px 24px;
  margin: 14px 0; position: relative;
}
.bibtex-container pre {
  font-family: 'JetBrains Mono', monospace; font-size: 0.82rem;
  line-height: 1.7; color: var(--text-2);
  white-space: pre-wrap; overflow-x: auto;
}
.copy-btn {
  position: absolute; top: 14px; right: 14px;
  background: var(--bg-soft); border: 1px solid var(--border-2);
  font-size: 0.74rem; font-weight: 500;
  padding: 5px 12px; cursor: pointer; color: var(--text-2);
  transition: all 0.18s;
}
.copy-btn:hover { background: var(--text); color: var(--surface); border-color: var(--text); }

/* ── Footer ────────────────────────────────────────────────────────────── */
footer {
  margin-top: 60px; padding: 26px 20px; text-align: center;
  font-size: 0.78rem; color: var(--text-3);
  border-top: 1px solid var(--border);
  background: var(--surface);
}