.toc-lab-page {
  padding-top: 3.85rem;
}

body[data-snake-variant="single"].toc-lab-page {
  padding-top: 6rem;
}

.lab-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  border-bottom: 1px solid var(--lightest-text);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.9));
  backdrop-filter: blur(14px);
}

.lab-topbar-inner {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lab-topbar-brand {
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--backup-text-color-v2);
  white-space: nowrap;
}

.lab-topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
}

.lab-topbar-subrow {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 2rem 0.7rem 2rem;
  display: flex;
  justify-content: flex-end;
}

.lab-topbar-link {
  padding: 0.28rem 0.58rem;
  border: 1px solid var(--lightest-text);
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  line-height: 1;
  text-decoration: none;
  color: var(--backup-text-color-v2);
  background: rgba(255, 255, 255, 0.72);
}

.lab-topbar-link:hover,
.lab-topbar-link.is-active {
  color: var(--contrast-color);
  text-decoration: none;
  border-color: var(--backup-text-color-v3);
}

.toc-lab-page .post-wrapper,
.toc-lab-page .post-outer {
  padding-bottom: 10vh;
}

.toc-lab-page .post-body-content {
  padding-bottom: 14vh;
}

.toc-lab-page .lab-variant-callout {
  margin: 0 0 3rem 0;
  padding: 1.15rem 1.3rem;
  border: 1px solid var(--lightest-text);
  background:
    radial-gradient(circle at top left, rgba(0, 0, 0, 0.02), transparent 50%),
    linear-gradient(180deg, rgba(245, 245, 245, 0.7), rgba(255, 255, 255, 0.94));
}

.toc-lab-page .lab-variant-callout strong {
  display: block;
  margin-bottom: 0.3rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--contrast-color);
}

.toc-lab-page .lab-variant-callout p {
  margin: 0;
}

.toc-lab-page .lab-demo-figure {
  width: 100%;
  aspect-ratio: 16 / 8;
  margin: 1.8rem 0 0.65rem 0;
  border: 1px solid var(--lightest-text);
  background:
    linear-gradient(135deg, rgba(0, 0, 0, 0.04), transparent 35%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.02), rgba(0, 0, 0, 0.07)),
    linear-gradient(90deg, #f8f8f8, #eeeeee);
  position: relative;
  overflow: hidden;
}

.toc-lab-page .lab-demo-figure::before,
.toc-lab-page .lab-demo-figure::after {
  content: "";
  position: absolute;
  inset: auto;
  opacity: 0.38;
}

.toc-lab-page .lab-demo-figure::before {
  left: 12%;
  top: 18%;
  width: 58%;
  height: 1px;
  background: rgba(0, 0, 0, 0.15);
  transform: rotate(-10deg);
}

.toc-lab-page .lab-demo-figure::after {
  right: 16%;
  bottom: 22%;
  width: 34%;
  height: 1px;
  background: rgba(0, 0, 0, 0.15);
  transform: rotate(13deg);
}

.toc-lab-page .lab-demo-caption {
  margin-top: 0;
}

.toc-lab-page .lab-gutter-title {
  margin-bottom: 1rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--backup-text-color-v2);
}

.toc-lab-page .lab-snake {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 20px;
  background: var(--contrast-color);
  opacity: 0;
  pointer-events: none;
  z-index: 0;
  transform: translateY(0);
  will-change: transform, height;
  transition: opacity 0.2s ease;
}

.toc-lab-page .lab-gap-layer {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  pointer-events: none;
  z-index: 1;
}

.post-stage > #left-toc.left-toc .toc-item::before {
  z-index: 2;
}

.toc-lab-page .lab-gap-cover {
  position: absolute;
  left: 0;
  width: 4px;
  background: var(--background-color);
}

.toc-lab-page .lab-gap-cover--title-item {
  background: linear-gradient(90deg, transparent 0 1px, var(--background-color) 1px 100%);
}

body[data-snake-variant="current"] .lab-snake,
body[data-snake-variant="tuned"] .lab-snake {
  display: none;
}

body[data-snake-variant="current"] .lab-gap-layer,
body[data-snake-variant="tuned"] .lab-gap-layer {
  display: none;
}

body[data-snake-variant="tuned"] .post-stage > #left-toc.left-toc .toc-item::after {
  transition:
    top 0.14s cubic-bezier(0.22, 1, 0.36, 1),
    height 0.14s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.28s ease;
}

body[data-snake-variant="single"] .lab-snake {
  opacity: 1;
  transition:
    transform 0.14s cubic-bezier(0.22, 1, 0.36, 1),
    height 0.14s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.2s ease;
}

body[data-snake-variant="spring"] .lab-snake {
  opacity: 1;
}

body[data-snake-variant="single"] .post-stage > #left-toc.left-toc .toc-item::after,
body[data-snake-variant="spring"] .post-stage > #left-toc.left-toc .toc-item::after {
  opacity: 0 !important;
}

.toc-lab-page .tag-pill--animation {
  --tag-accent: #d97757;
}

.toc-lab-page .tag-pill--prototype {
  --tag-accent: #6f8898;
}

.toc-lab-page .tag-pill--performance {
  --tag-accent: #7d9f6f;
}

.toc-lab-index {
  background: var(--background-color);
}

.lab-index {
  max-width: 52rem;
  margin: 0 auto;
  padding: 5.5rem 2rem 4rem 2rem;
}

.lab-index-header {
  margin-bottom: 2.6rem;
}

.lab-kicker {
  margin-bottom: 0.45rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--backup-text-color-v2);
}

.lab-index-header h1 {
  margin: 0 0 1rem 0;
  color: var(--contrast-color);
}

.lab-index-note {
  color: var(--backup-text-color-v2);
}

.lab-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
}

.lab-card,
.lab-card:any-link {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-height: 9rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--lightest-text);
  text-decoration: none;
  background:
    radial-gradient(circle at top right, rgba(0, 0, 0, 0.02), transparent 40%),
    #ffffff;
  color: var(--backup-text-color);
}

.lab-card:hover,
.lab-card:any-link:hover {
  color: var(--contrast-color);
  text-decoration: none;
  border-color: var(--backup-text-color-v3);
}

.lab-card-label {
  font-family: 'Inter', sans-serif;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--backup-text-color-v2);
}

@media (max-width: 1024px) {
  .toc-lab-page .post-stage > #left-toc.left-toc {
    display: none;
  }

  .toc-lab-page .post-stage {
    grid-template-columns: 1fr;
  }

  .toc-lab-page .post-stage > #main.post,
  .toc-lab-page .post-stage > .right-gutter {
    grid-column: 1;
  }

  .toc-lab-page .post-stage > .right-gutter {
    margin-top: 2rem;
  }
}

@media (max-width: 700px) {
  .lab-topbar-inner {
    padding: 0.7rem 1rem;
    flex-direction: column;
    align-items: flex-start;
  }

  .lab-topbar-links {
    justify-content: flex-start;
  }

  .toc-lab-page {
    padding-top: 5.6rem;
  }

  .lab-index {
    padding: 4.5rem 1rem 3rem 1rem;
  }
}