/*
 * Billedkarrusel.
 *
 * Shared layout/visuals for all 3 variants (Standard, Hero, Gallery). Consumes the
 * theme tokens from tokens.css - do not hard-code colours here (padis-umbraco-component
 * skill: theme system first).
 */

.padis-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--padis-radius);
  /* Anchor CTAs scroll this element's top edge flush to the viewport top,
     which then hides under the fixed header/pill and operational-message
     bar. Reserve that space so the carousel lands fully visible below both,
     matching afdelingskort.css/faq.css. */
  scroll-margin-top: calc(var(--padis-header-height, 5rem) + var(--padis-operational-height, 0px) + var(--padis-space-md));
}

.padis-carousel__viewport {
  position: relative;
  overflow: hidden;
}

.padis-carousel__track {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  transition: transform 0.4s ease-in-out;
  touch-action: pan-y;
}

/* Slide changes stay instant when the user has asked for reduced motion;
   carousel.js separately disables auto-play in the same case. */
@media (prefers-reduced-motion: reduce) {
  .padis-carousel__track {
    transition: none;
  }
}

.padis-carousel__slide {
  flex: 0 0 100%;
  min-width: 100%;
}

.padis-carousel__image {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* A slide/thumbnail whose image failed to load (see carousel.js onerror handler)
   is hidden entirely rather than showing the browser's native broken-image icon. */
[data-padis-carousel-broken="true"] {
  display: none !important;
}

/* When every slide has failed to load, carousel.js marks the whole component
   root data-padis-carousel-all-broken="true" - there is nothing left to show,
   so hide the entire carousel (nav arrows/indicators included) rather than an
   empty shell with no images. */
[data-padis-carousel-all-broken="true"] {
  display: none !important;
}

/* Standard variant: each slide is a group of images (default 3) sliding together
   as a row, rather than one image at a time (distinguishes it from Hero/Gallery).
   Breaks out of the surrounding .padis-container to span the full viewport width,
   regardless of how narrow the column it's placed in is. */
.padis-carousel--standard {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  border-radius: 0;
}

.padis-carousel--standard .padis-carousel__slide--group {
  display: flex;
  gap: var(--padis-space-sm);
  height: var(--padis-carousel-row-height, 400px);
}

.padis-carousel--standard .padis-carousel__image {
  height: 100%;
  width: auto;
  flex: 1 1 0;
  min-width: 0;
  object-fit: cover;
}

@media (max-width: 60rem) {
  .padis-carousel--standard .padis-carousel__slide--group .padis-carousel__image:nth-child(n + 3) {
    display: none;
  }
}

@media (max-width: 40rem) {
  .padis-carousel--standard .padis-carousel__slide--group .padis-carousel__image:nth-child(n + 2) {
    display: none;
  }
}

/* Hero variant: tall, full-bleed image with the overlay on top. */
.padis-carousel--hero .padis-carousel__image {
  aspect-ratio: 16 / 9;
}

.padis-carousel__hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-start;
  gap: var(--padis-space-sm);
  padding: var(--padis-gutter);
  background: linear-gradient(to top, var(--padis-hero-overlay), transparent 60%);
  color: var(--padis-color-on-primary);
  pointer-events: none;
}

.padis-carousel__hero-overlay > * {
  pointer-events: auto;
}

.padis-carousel__hero-title,
.padis-carousel__hero-lead {
  color: inherit;
  margin: 0;
}

/* Gallery variant: main image plus a thumbnail strip below. */
.padis-carousel--gallery .padis-carousel__image {
  aspect-ratio: 16 / 9;
}

.padis-carousel__thumbnails {
  display: flex;
  gap: var(--padis-space-sm);
  overflow-x: auto;
  list-style: none;
  margin: var(--padis-space-sm) 0 0;
  padding: 0;
  scroll-snap-type: x proximity;
}

.padis-carousel__thumbnail-item {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.padis-carousel__thumbnail {
  display: block;
  border: 2px solid transparent;
  border-radius: var(--padis-radius);
  padding: 0;
  background: none;
  cursor: pointer;
  width: 5.5rem;
  height: 3.6rem;
  overflow: hidden;
}

.padis-carousel__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.padis-carousel__thumbnail[aria-current="true"] {
  border-color: var(--padis-color-primary);
}

/* Navigation arrows: dark, rounded circular buttons using theme tokens
   (consistent with the reference screenshot; no new colour system introduced). */
.padis-carousel__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  border: none;
  border-radius: 50%;
  background: var(--padis-color-primary-darker);
  color: var(--padis-color-on-primary);
  cursor: pointer;
  box-shadow: var(--padis-shadow);
}

.padis-carousel__nav:hover,
.padis-carousel__nav:focus-visible {
  background: var(--padis-color-primary-dark);
}

.padis-carousel__nav:focus-visible {
  outline: 3px solid var(--padis-color-on-primary);
  outline-offset: 2px;
}

.padis-carousel__nav--prev {
  left: var(--padis-space-sm);
}

.padis-carousel__nav--next {
  right: var(--padis-space-sm);
}

.padis-carousel__indicators {
  position: absolute;
  bottom: var(--padis-space-sm);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  gap: 0.5rem;
}

.padis-carousel__indicator {
  width: 0.6rem;
  height: 0.6rem;
  min-width: 12px;
  min-height: 12px;
  border-radius: 50%;
  border: 1px solid var(--padis-color-on-primary);
  background: transparent;
  padding: 0;
  cursor: pointer;
}

.padis-carousel__indicator[aria-selected="true"] {
  background: var(--padis-color-on-primary);
}

.padis-carousel__indicator:focus-visible,
.padis-carousel__thumbnail:focus-visible {
  outline: 3px solid var(--padis-color-primary);
  outline-offset: 2px;
}

/* Mobile: full-width nav buttons stay tappable; hero overlay padding shrinks a bit
   so text doesn't crowd small screens. */
@media (max-width: 40rem) {
  .padis-carousel__hero-overlay {
    padding: var(--padis-space-md);
  }

  .padis-carousel__nav {
    width: 2.25rem;
    height: 2.25rem;
  }
}