/* =========================================================
   CubePart project page — styles
   ========================================================= */

:root {
  --bg: #fbfaf7;
  --bg-tint: #f3f0ea;
  --bg-soft: #ffffff;
  --ink: #1a1d24;
  --ink-2: #303542;
  --muted: #6b7180;
  --line: #e3dfd5;
  --line-strong: #c9c2b3;
  --accent: #6f5cd6;          /* purple to match the part palette */
  --accent-2: #2aa48a;        /* teal */
  --accent-3: #d56c8f;        /* pink */
  --pill-bg: #1a1d24;
  --pill-fg: #fbfaf7;
  --code-bg: #14171f;
  --code-fg: #e8ecf5;
  --max-w: 1180px;
  --max-w-narrow: 820px;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(20, 20, 30, 0.05),
               0 4px 14px -8px rgba(20, 20, 30, 0.12);
  --shadow-md: 0 2px 6px rgba(20, 20, 30, 0.06),
               0 18px 40px -20px rgba(20, 20, 30, 0.25);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--accent); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--ink); }

code, pre {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}
.container.narrow {
  max-width: var(--max-w-narrow);
}

/* ===================== HEADER NAV ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(10px);
  -webkit-backdrop-filter: saturate(180%) blur(10px);
  background: rgba(251, 250, 247, 0.78);
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-icon {
  width: 20px;
  height: 20px;
  color: var(--ink);
  flex-shrink: 0;
}
.brand-text { line-height: 1; }
.brand:hover .brand-icon { color: var(--accent); }
.site-nav { display: flex; gap: 18px; }
.site-nav a {
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
}
.site-nav a:hover { color: var(--accent); }
@media (max-width: 720px) {
  .site-nav { display: none; }
}

/* ===================== HERO ===================== */
.hero {
  padding: 64px 0 28px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  /* subtle decorative gradient */
  content: '';
  position: absolute;
  inset: -100px 0 auto 0;
  height: 360px;
  background:
    radial-gradient(60% 90% at 12% 18%, rgba(111, 92, 214, 0.08), transparent 70%),
    radial-gradient(60% 90% at 88% 14%, rgba(42, 164, 138, 0.07), transparent 70%);
  pointer-events: none;
}
.venue-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-sm);
}
.venue-dot {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(111, 92, 214, 0.15);
}

.title {
  margin: 18px 0 6px;
  font-family: 'Newsreader', 'Inter', serif;
  font-weight: 600;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.title-mark {
  background: linear-gradient(120deg, var(--accent) 0%, #4f3fbf 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.title-sep { color: var(--ink-2); margin-right: 6px; }
.subtitle {
  display: inline;
  color: var(--ink);
  font-weight: 500;
  font-size: clamp(22px, 3.2vw, 36px);
}

.authors {
  margin: 28px 0 8px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
}
.authors li {
  font-size: 16px;
  color: var(--ink-2);
}
.authors a {
  color: var(--ink);
  font-weight: 500;
  border-bottom: 1px dotted transparent;
}
.authors a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.authors sup {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.7em;
}

.affiliations {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  color: var(--muted);
  font-size: 15px;
}
.affiliations sup { color: var(--accent); font-weight: 600; margin-right: 2px; }
.contrib-note {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* Action buttons */
.action-row {
  margin: 28px 0 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 18px;
  background: var(--pill-bg);
  color: var(--pill-fg);
  border-radius: 999px;
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: 0.005em;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, background 0.15s ease;
}
.action-btn:hover {
  color: var(--pill-fg);
  background: #2c3140;
  transform: translateY(-1px);
}
.action-btn svg {
  width: 18px; height: 18px;
  color: currentColor;
}
.action-disabled {
  opacity: 0.55;
  pointer-events: none;
  background: #444956;
}

/* ===================== TEASER ===================== */
.teaser-wrap {
  padding: 12px 0 8px;
}
.teaser-wrap .figure {
  margin: 12px 0;
}

/* ===================== SECTIONS ===================== */
.section {
  padding: 64px 0;
}
.section.section-tinted {
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-tint) 18%, var(--bg-tint) 82%, var(--bg) 100%);
}
.section-title {
  font-family: 'Newsreader', 'Inter', serif;
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 14px;
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 36px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
}
.subsection-title {
  margin: 44px 0 10px;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.section-intro {
  color: var(--ink-2);
  margin: 18px 0 28px;
}
.lead {
  font-size: 1.06em;
  color: var(--ink-2);
}
.muted-note {
  color: var(--muted);
  font-size: 14.5px;
}

/* ===================== FIGURE ===================== */
/* Flat figures: image goes edge-to-edge so it aligns with section text. */
.figure {
  margin: 22px 0 28px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  box-shadow: var(--shadow-sm);
}
.figure figcaption {
  margin: 12px 2px 4px;
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.55;
}
.figure figcaption strong { color: var(--ink); }

/* Optional size modifiers for figures and tables. On narrow screens they
   always span full width; on wider screens we constrain them and center. */
@media (min-width: 720px) {
  .figure.figure-xnarrow { max-width: 50%; margin-left: auto; margin-right: auto; }
  .figure.figure-narrow { max-width: 60%; margin-left: auto; margin-right: auto; }
  .figure.figure-medium { max-width: 80%; margin-left: auto; margin-right: auto; }
  .table-wrap.table-narrow { max-width: 80%; margin-left: auto; margin-right: auto; }
}

/* Two-column layout for method */
.two-col {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 24px;
}
.two-col > * { min-width: 0; }
.two-col-text h3 {
  margin-top: 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}
.two-col-text h3 + p { margin-top: 6px; }
.two-col .inline-figure { margin: 0; }
.two-col code {
  background: rgba(111, 92, 214, 0.08);
  color: #3d2f9c;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.86em;
}
@media (max-width: 880px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ===================== TL;DR CARDS ===================== */
.tldr-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.tldr-card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
  text-align: left;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.tldr-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}
.tldr-num {
  font-family: 'Newsreader', serif;
  font-weight: 600;
  font-size: 30px;
  color: var(--accent);
  line-height: 1.1;
  white-space: nowrap;
}
.tldr-label {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.45;
}
@media (max-width: 880px) {
  .tldr-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ===================== VIDEO ===================== */
.video-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0c0e14;
  box-shadow: var(--shadow-sm);
}
.video-player {
  display: block;
  width: 100%;
  height: auto;
  background: #0c0e14;
}
.video-placeholder {
  position: relative;
  aspect-ratio: 16/9;
  background:
    radial-gradient(60% 80% at 30% 30%, rgba(111, 92, 214, 0.15), transparent 70%),
    radial-gradient(60% 80% at 80% 70%, rgba(42, 164, 138, 0.12), transparent 70%),
    linear-gradient(180deg, #15171f, #1d2230);
  color: #e8ecf5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vp-content { text-align: center; opacity: 0.85; }
.vp-content svg { width: 64px; height: 64px; color: #cfd5e6; }
.vp-content p {
  margin: 12px 0 0;
  font-size: 14.5px;
  letter-spacing: 0.02em;
}

/* ===================== INTERACTIVE GALLERY (CAROUSEL) ===================== */
.pv-carousel {
  position: relative;
  margin-top: 18px;
}
.pv-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 4px 2px 18px;       /* leave room for shadow */
  margin: 0 -2px;
}
.pv-track::-webkit-scrollbar { display: none; }

.pv-card {
  scroll-snap-align: center;
  scroll-snap-stop: always;
  min-width: 0;                /* CRITICAL: prevent intrinsic min-width overflow */
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.2s ease;
}
.pv-card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}

/* Prev / next arrow buttons */
.pv-nav {
  position: absolute;
  top: 50%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transform: translateY(-50%);
  box-shadow: 0 6px 18px rgba(20,23,31,0.15);
  z-index: 5;
  transition: background 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
  font-family: inherit;
  padding: 0;
}
.pv-nav:hover { background: #fff; transform: translateY(-50%) scale(1.05); }
.pv-nav:disabled { opacity: 0; pointer-events: none; }
.pv-prev { left: -10px; }
.pv-next { right: -10px; }
@media (max-width: 880px) {
  .pv-prev { left: 4px; }
  .pv-next { right: 4px; }
}

/* Indicator dots */
.pv-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}
.pv-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}
.pv-dot:hover { background: var(--ink-2); }
.pv-dot.active {
  background: var(--accent);
  transform: scale(1.25);
}

.pv-head { margin-bottom: 14px; }
.pv-title {
  margin: 0 0 4px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.pv-prompt {
  margin: 0;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.5;
}
.pv-prompt em { color: var(--ink-2); }

/* Small, muted attribution line under the prompt — e.g. "Input mesh: ..." */
.pv-credit {
  margin: 6px 0 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  line-height: 1.35;
  color: var(--muted);
  letter-spacing: 0.005em;
}
.pv-credit svg { width: 12px; height: 12px; flex-shrink: 0; opacity: 0.7; }

.pv-stage {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}
.pv-stage > * { min-width: 0; }    /* keep flex/grid children from overflowing */
@media (max-width: 880px) {
  .pv-stage { grid-template-columns: 1fr; }
}

/* Results gallery: grid of viewer-only cards (no behavior video).
   Uses the same .pv-card / .pv-viewer styles as the carousel, but
   laid out as a static responsive grid. */
.pv-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
  margin-top: 14px;
}
@media (max-width: 720px) {
  .pv-results-grid { grid-template-columns: 1fr; }
}
.pv-results-grid .pv-card {
  scroll-snap-align: unset;
}
.pv-results-grid .pv-stage,
.pv-card.pv-card-solo .pv-stage {
  grid-template-columns: 1fr;
}

/* Centered "Browse all" CTA below the hero grid. */
.browse-cta {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}
.browse-cta a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink);
  font-weight: 600;
  font-size: 14.5px;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.browse-cta a:hover {
  background: #fff;
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}
.browse-cta a svg { width: 16px; height: 16px; }

.browse-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--ink-2);
  font-weight: 600;
  font-size: 13.5px;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.browse-back:hover { background: #fff; color: var(--ink); border-color: var(--line-strong); }
.browse-back svg { width: 14px; height: 14px; }
.browse-meta { color: var(--muted); font-size: 13.5px; }

.pv-viewer {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background:
    radial-gradient(60% 80% at 50% 28%, rgba(255,255,255,0.85), transparent 70%),
    linear-gradient(180deg, #f1eee6 0%, #e1dcce 100%);
  aspect-ratio: 4 / 3;
  border: 1px solid var(--line);
  touch-action: none; /* avoid scroll while rotating on touch */
}
.pv-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.pv-canvas canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  cursor: grab;
}
.pv-canvas canvas:active { cursor: grabbing; }

.pv-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13.5px;
  color: var(--muted);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(2px);
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.pv-loading.hidden { opacity: 0; }

.pv-tooltip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;

  /* Frosted-glass pill — readable but unobtrusive */
  background: rgba(255, 255, 255, 0.62);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
  backdrop-filter: blur(14px) saturate(180%);
  color: var(--ink);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow:
    0 1px 1px rgba(255, 255, 255, 0.6) inset,
    0 6px 18px rgba(20, 23, 31, 0.14),
    0 1px 3px rgba(20, 23, 31, 0.08);

  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.005em;
  padding: 4px 11px 4px 8px;
  border-radius: 999px;
  white-space: nowrap;

  /* Anchor: tooltip is centered horizontally on the anchor point and
     floats just above it. */
  transform: translate(-50%, -125%);
  left: -9999px;             /* hide off-screen until first positioned */
  top: -9999px;
  opacity: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.pv-tooltip.visible {
  opacity: 1;
  transform: translate(-50%, -135%); /* gentle float-up animation */
}
.pv-tooltip-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}
.pv-tooltip-text { line-height: 1; }

.pv-overlay {
  position: absolute;
  bottom: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(255,255,255,0.84);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,0,0,0.06);
  padding: 8px 12px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(20,23,31,0.06);
}
.pv-control {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}
.pv-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.pv-explode {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}
.pv-explode::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 50%;
  cursor: grab;
  box-shadow: 0 1px 3px rgba(0,0,0,0.18);
  transition: transform 0.15s ease;
}
.pv-explode::-webkit-slider-thumb:active { transform: scale(1.12); cursor: grabbing; }
.pv-explode::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #fff;
  border: 2px solid var(--accent);
  border-radius: 50%;
  cursor: grab;
}

.pv-reset {
  background: var(--pill-bg);
  color: var(--pill-fg);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.pv-reset:hover { background: #2c3140; }

.pv-video {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #15171f;
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  max-width: 100%;
}
.pv-video video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* "Coming soon" placeholder used while the behavior videos aren't ready yet */
.pv-video-placeholder {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px dashed var(--line-strong);
  background:
    radial-gradient(70% 100% at 30% 30%, rgba(111, 92, 214, 0.10), transparent 70%),
    radial-gradient(70% 100% at 80% 80%, rgba(42, 164, 138, 0.08), transparent 70%),
    linear-gradient(180deg, #f4f1eb 0%, #e7e1d1 100%);
  aspect-ratio: 4 / 3;
  max-width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 18px;
}
.pv-video-placeholder svg {
  width: 56px;
  height: 56px;
  color: var(--ink-2);
  opacity: 0.65;
}
.pv-video-placeholder p {
  margin: 10px 0 0;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.pv-video-placeholder p strong { color: var(--ink-2); }

.pv-legend {
  margin: 6px 0 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}
.pv-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-tint);
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px 5px 8px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease, transform 0.12s ease;
}
.pv-chip:hover, .pv-chip.active {
  background: #fff;
  border-color: var(--line-strong);
  color: var(--ink);
  transform: translateY(-1px);
}
.pv-chip-swatch {
  width: 14px; height: 14px;
  border-radius: 4px;
  border: 1px solid rgba(0,0,0,0.08);
  flex-shrink: 0;
}
.pv-chip-label { line-height: 1; }

/* ===================== TABLES ===================== */
.table-wrap {
  margin: 12px 0 8px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
.data-table thead th {
  background: var(--bg-tint);
  color: var(--ink-2);
  font-weight: 600;
  padding: 12px 14px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.01em;
}
.data-table th.left, .data-table td.left { text-align: left; }
.data-table td {
  padding: 11px 14px;
  text-align: center;
  border-bottom: 1px solid var(--line);
  color: var(--ink-2);
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tr.ab td {
  color: var(--muted);
  font-style: italic;
}
.data-table tr.best td {
  background: rgba(111, 92, 214, 0.05);
  color: var(--ink);
}
.data-table tr.best td b { color: var(--accent); }
.caption-only {
  padding: 12px 14px 14px;
  font-size: 14px;
  color: var(--ink-2);
  background: var(--bg-soft);
}

/* ===================== BIBTEX ===================== */
.bibtex-card {
  position: relative;
  margin-top: 12px;
}
.bibtex-card pre {
  background: var(--code-bg);
  color: var(--code-fg);
  padding: 22px 22px 22px 22px;
  border-radius: var(--radius);
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre-wrap;        /* preserve newlines but auto-wrap long lines */
  word-break: break-word;       /* break very long tokens (e.g. author lists) if needed */
  overflow-wrap: anywhere;
  margin: 0;
  box-shadow: var(--shadow-md);
}
.copy-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(255,255,255,0.08);
  color: #e8ecf5;
  border: 1px solid rgba(255,255,255,0.16);
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 12.5px;
  font-family: inherit;
  letter-spacing: 0.02em;
  transition: background 0.15s ease;
}
.copy-btn:hover { background: rgba(255,255,255,0.16); }
.copy-btn.copied { background: rgba(42, 164, 138, 0.85); color: white; }

/* ===================== FOOTER ===================== */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-tint);
  padding: 30px 0 40px;
}
.site-footer p {
  margin: 4px 0;
  font-size: 13.5px;
  color: var(--muted);
}
.site-footer a { color: var(--ink-2); }
.site-footer a:hover { color: var(--accent); }

/* ===================== UTIL ===================== */
::selection {
  background: rgba(111, 92, 214, 0.22);
  color: var(--ink);
}