/* Rack photo carousel: arrows over image (MkDocs Material) */
.rack-gallery {
  --rack-gallery-max: 560px;
  max-width: var(--rack-gallery-max);
  margin: 1rem auto 1.25rem;
}

/* Wider viewport for electrical schematic SVGs */
.rack-gallery--schematics {
  --rack-gallery-max: 720px;
}

.rack-gallery--schematics .rack-gallery__slide img {
  max-height: min(520px, 72vh);
}

/* Catálogo hardware: fotos USB-TTL (JPEG, retrato) */
.rack-gallery--catalog-ttl {
  --rack-gallery-max: 640px;
}

.rack-gallery--catalog-ttl .rack-gallery__slide img {
  max-height: min(480px, 72vh);
}

/* Catálogo: seguridad eléctrica / borneras / jacks DC */
.rack-gallery--catalog-safety {
  --rack-gallery-max: 560px;
}

.rack-gallery--catalog-safety .rack-gallery__slide img {
  max-height: min(440px, 68vh);
}

.rack-gallery__viewport {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--md-default-fg-color--lightest, rgba(0, 0, 0, 0.08));
  background: var(--md-default-bg-color);
}

.rack-gallery__slide {
  margin: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.rack-gallery__slide[hidden] {
  display: none !important;
}

/* Cap portrait shots so vertical photos match perceived size of landscape slides */
.rack-gallery__slide img {
  display: block;
  max-width: 100%;
  max-height: min(420px, 65vh);
  width: auto;
  height: auto;
  object-fit: contain;
  vertical-align: middle;
  cursor: zoom-in;
}

/* Overlay: Instagram-style nav on top of the photo */
.rack-gallery__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.2rem;
  pointer-events: none;
}

.rack-gallery__overlay .rack-gallery__btn {
  pointer-events: auto;
}

.rack-gallery__counter {
  position: absolute;
  top: 0.45rem;
  right: 0.5rem;
  z-index: 3;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.rack-gallery__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
  color: #fff;
  background: rgba(0, 0, 0, 0.35);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
  transition: background 0.15s ease, transform 0.1s ease;
}

.rack-gallery__btn:hover {
  background: rgba(0, 0, 0, 0.55);
}

.rack-gallery__btn:active {
  transform: scale(0.96);
}

.rack-gallery__btn:focus-visible {
  outline: 2px solid var(--md-accent-fg-color, #fff);
  outline-offset: 2px;
}

.rack-gallery__caption {
  margin: 0.55rem 0 0;
  font-size: 0.85rem;
  opacity: 0.92;
  text-align: center;
  font-style: italic;
}

/* Full-screen lightbox (injected by rack-gallery.js) */
body.rack-gallery-lightbox-open {
  overflow: hidden;
}

.rack-gallery-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  box-sizing: border-box;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.9);
}

.rack-gallery-lightbox[hidden] {
  display: none !important;
}

.rack-gallery-lightbox__backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  border: none;
  cursor: pointer;
  background: transparent;
}

.rack-gallery-lightbox__close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  z-index: 3;
  width: 2.75rem;
  height: 2.75rem;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.75rem;
  line-height: 1;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  transition: background 0.15s ease;
}

.rack-gallery-lightbox__close:hover {
  background: rgba(0, 0, 0, 0.65);
}

.rack-gallery-lightbox__close:focus-visible {
  outline: 2px solid var(--md-accent-fg-color, #fff);
  outline-offset: 2px;
}

.rack-gallery-lightbox__counter {
  position: absolute;
  top: 0.65rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #fff;
  background: rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

.rack-gallery-lightbox__stage {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  max-width: 100%;
  max-height: calc(100vh - 5rem);
  flex: 1 1 auto;
  min-height: 0;
}

.rack-gallery-lightbox__stage .rack-gallery-lightbox__nav {
  flex-shrink: 0;
}

.rack-gallery-lightbox__img {
  display: block;
  max-width: min(96vw, 100%);
  max-height: min(85vh, 100%);
  width: auto;
  height: auto;
  object-fit: contain;
  cursor: default;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
}

.rack-gallery-lightbox__caption {
  position: relative;
  z-index: 1;
  margin: 0.65rem 0 0;
  max-width: 42rem;
  padding: 0 0.5rem;
  font-size: 0.9rem;
  line-height: 1.35;
  text-align: center;
  color: rgba(255, 255, 255, 0.92);
}