.lab-carousel-nav {
  position: fixed;
  left: 50%;
  bottom: clamp(0.62rem, 1.4vw, 1rem);
  transform: translateX(-50%);
  z-index: 6;
  width: min(1120px, calc(100vw - 1.2rem));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem;
  pointer-events: none;
}

.lab-nav-arrow,
.lab-nav-overview {
  pointer-events: auto;
}

.lab-nav-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.76rem 0.86rem;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(8, 10, 14, 0.7);
  color: #f3f2ef;
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.lab-nav-arrow:hover {
  transform: translateY(-2px);
  border-color: rgba(239, 206, 160, 0.52);
  background: rgba(8, 10, 14, 0.82);
}

.lab-nav-arrow:focus-visible,
.lab-nav-overview:focus-visible {
  outline: 2px solid #99c0e4;
  outline-offset: 2px;
}

.lab-nav-arrow-line {
  color: #efcea0;
  font-size: 1rem;
  line-height: 1;
}

.lab-nav-copy {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
}

.lab-nav-copy small {
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.6rem;
  color: #adb4bd;
}

.lab-nav-copy strong {
  font-family: "Sora", "Avenir Next", "Segoe UI", sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: #f3f2ef;
}

.lab-nav-copy-right {
  text-align: right;
}

.lab-nav-overview {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.74rem 0.95rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(8, 10, 14, 0.7);
  color: #adb4bd;
  text-decoration: none;
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.62rem;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lab-nav-overview:hover {
  border-color: rgba(239, 206, 160, 0.52);
  color: #f3f2ef;
  background: rgba(8, 10, 14, 0.82);
}

body.cover-mode .lab-carousel-nav {
  display: none;
}

@media (max-width: 980px) {
  .lab-carousel-nav {
    width: min(760px, calc(100vw - 0.9rem));
    bottom: 0.42rem;
    gap: 0.5rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "overview overview"
      "prev next";
  }

  .lab-nav-prev {
    grid-area: prev;
  }

  .lab-nav-next {
    grid-area: next;
  }

  .lab-nav-overview {
    grid-area: overview;
    padding: 0.62rem 0.82rem;
    font-size: 0.58rem;
  }

  .lab-nav-arrow {
    min-height: 54px;
    padding: 0.55rem 0.62rem;
    gap: 0.5rem;
  }

  .lab-nav-copy {
    min-width: 0;
  }

  .lab-nav-copy small {
    display: none;
  }

  .lab-nav-copy strong {
    display: block;
    max-width: 100%;
    font-size: 0.7rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

@media (max-width: 640px) {
  .lab-carousel-nav {
    width: calc(100vw - 0.6rem);
    gap: 0.3rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-areas:
      "overview overview"
      "prev next";
  }

  .lab-nav-overview {
    justify-self: center;
    padding: 0.52rem 0.7rem;
    font-size: 0.55rem;
  }

  .lab-nav-arrow {
    padding: 0.44rem 0.5rem;
    min-height: 46px;
  }

  .lab-nav-copy strong {
    font-size: 0.62rem;
  }
}