/**
 * IPMS Seattle Collections & Events galleries
 *
 * This stylesheet owns the collection landing-card placeholders, archive
 * selectors, and the shared fixed-height photograph viewer. JavaScript for
 * slide selection and zoom/pan remains in ipms-spring-show.js.
 */

.topic-card-image-placeholder {
  height: 166px;
  display: grid;
  place-items: center;
  padding: 1rem;
  background: #101b33;
  color: #f2b84b;
  font: 600 1rem "Oswald", sans-serif;
  letter-spacing: .08em;
  text-align: center;
  text-transform: uppercase;
}

/* The injected Pause/Play and speed picker occupy their own control row. */
.show-slideshow .slide-controls > .ipms-autoplay-controls {
  grid-column:1 / -1;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  color:#fff
}
.show-slideshow .ipms-autoplay-controls label {
  display:flex;
  align-items:center;
  gap:.4rem;
  font-size:.7rem;
  font-weight:800
}
.show-slideshow .ipms-autoplay-controls select {
  min-height:2.8rem;
  padding:.65rem .7rem;
  border:1px solid rgba(255,255,255,.5);
  background:#101b33;
  color:#fff;
  font:700 .75rem "DM Sans",sans-serif
}
.show-slide.is-active img { cursor:zoom-in }
.show-slideshow.is-zoomed .show-slide.is-active img { cursor:grab }

.collection-hero {
  padding: clamp(4rem, 7vw, 7rem) max(4.5vw, calc((100vw - 81.875rem) / 2));
  display: grid;
  grid-template-columns: 1fr .7fr;
  gap: 7vw;
  align-items: end;
  background: #092443;
  color: #fff;
}

.collection-hero h1 {
  max-width: 58rem;
  margin: 1rem 0 0;
  font: 500 clamp(3.6rem, 7vw, 6.8rem) / .9 "Oswald", sans-serif;
  letter-spacing: -.035em;
  text-transform: uppercase;
}

.collection-hero > p {
  max-width: 40rem;
  margin: 0;
  color: #d3ddea;
  line-height: 1.8;
}

.collection-albums {
  padding: clamp(3rem, 5vw, 5rem) max(4.5vw, calc((100vw - 81.875rem) / 2));
  display: grid;
  grid-template-columns: minmax(15rem, .45fr) 1fr;
  gap: 4vw;
  border-bottom: 1px solid #d8d4ca;
  background: #f5f1e8;
}

.section-kicker {
  margin: 0 0 .75rem;
  color: #e54b38;
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.collection-albums h2,
.collection-selection h2 {
  margin: 0;
  font: 500 clamp(2.3rem, 4vw, 4rem) / .95 "Oswald", sans-serif;
  letter-spacing: -.025em;
  text-transform: uppercase;
}

.collection-albums nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
}

.collection-albums a {
  min-height: 4rem;
  padding: .85rem 1rem;
  display: flex;
  align-items: center;
  border: 1px solid #aeb5bf;
  background: #fff;
  color: #101b33;
  font-size: .75rem;
  font-weight: 800;
  line-height: 1.35;
  transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}

.collection-albums a:hover,
.collection-albums a:focus-visible {
  border-color: #e54b38;
  background: #101b33;
  color: #fff;
  outline: none;
  transform: translateY(-2px);
}

.collection-albums a[aria-current="page"] {
  border-color: #f2b84b;
  background: #f2b84b;
  color: #101b33;
  box-shadow: inset 0 -4px 0 #e54b38;
}

.collection-selection {
  padding: clamp(3rem, 5vw, 5rem) max(4.5vw, calc((100vw - 81.875rem) / 2));
  display: grid;
  grid-template-columns: 1fr .75fr;
  gap: 6vw;
  align-items: end;
  background: #fff;
}

.collection-selection > p {
  margin: 0;
  color: #596473;
  line-height: 1.75;
}

/**
 * Fixed-stage slideshow. Enlarged photographs grow inside this viewport and
 * can be dragged without changing the page height.
 */
.show-slideshow {
  padding: clamp(2rem, 5vw, 4rem) max(4.5vw, calc((100vw - 81.875rem) / 2));
  background: #092443;
  color: #fff;
}

.show-slides {
  position: relative;
  overflow: hidden;
  background: #04172c;
}

.show-slide {
  display: none;
  margin: 0;
  padding: 1.25rem;
}

.show-slide.is-active,
.show-slideshow.is-zoomed .show-slide.is-active {
  width: 100%;
  height: clamp(32rem, 82vh, 60rem);
  min-height: 0;
  max-height: 60rem;
  overflow: auto;
}

.show-slide.is-active {
  display: grid;
  place-items: center;
}

.show-slide img {
  width: auto;
  max-width: 100%;
  max-height: calc(100% - 3.25rem);
  display: block;
  margin: auto;
  object-fit: contain;
  transition: max-width .18s ease, width .18s ease, max-height .18s ease;
}

.show-slide figcaption {
  width: 100%;
  padding: .85rem;
  color: #d8e1e9;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
}

.show-slideshow.is-zoomed .show-slide.is-active {
  display: block;
  cursor: grab;
  text-align: center;
  touch-action: none;
  user-select: none;
}

.show-slideshow.is-zoomed .show-slide.is-dragging {
  cursor: grabbing;
}

.show-slideshow.is-zoomed .show-slide img {
  pointer-events: none;
}

.show-slideshow.is-zoomed .show-slide figcaption {
  position: sticky;
  left: 0;
}

.show-slideshow .slide-controls {
  position: static;
  z-index: auto;
  right: auto;
  bottom: auto;
  width: 100%;
  min-height: 5.5rem;
  margin: 0;
  padding: 1rem;
  display: grid;
  grid-template-columns: auto minmax(8.5rem, auto) minmax(18rem, 1fr);
  grid-template-areas: "steps count zoom";
  align-items: center;
  gap: 1rem;
  background: #101b33;
}

.show-slideshow .slide-controls > .ipms-slide-step-controls {
  grid-area: steps;
  display:flex;
  align-items:center;
  gap:.35rem;
}

.show-slideshow .slide-controls > .collection-photo-count {
  grid-area: count;
}

.show-slideshow .slide-controls > .zoom-tools {
  grid-area: zoom;
}

.show-slideshow .slide-controls button {
  width: auto;
  height: auto;
  min-height: 2.8rem;
  padding: .75rem 1rem;
  border: 1px solid rgba(255, 255, 255, .5);
  background: transparent;
  color: #fff;
  font-size: .75rem;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
}

.show-slideshow .slide-controls button:hover,
.show-slideshow .slide-controls button:focus-visible {
  border-color: #f2b84b;
  background: #f2b84b;
  color: #101b33;
  outline: none;
}

.show-slideshow .slide-controls span {
  width: auto;
  font: inherit;
  letter-spacing: normal;
}

.show-slideshow .collection-photo-count {
  color: #d8e1e9;
  font-size: .9rem;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.show-slideshow .collection-photo-count strong {
  color: #f2b84b;
  font-size: 1.15em;
}

.zoom-tools {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
}

.zoom-controls {
  display: flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, .5);
}

.show-slideshow .slide-controls .zoom-controls button {
  min-width: 2.65rem;
  border: 0;
  border-right: 1px solid rgba(255, 255, 255, .28);
}

.show-slideshow .slide-controls .zoom-controls button:last-child {
  border-right: 0;
}

.zoom-controls > [data-zoom-status] {
  min-width: 3.25rem;
  text-align: center;
  font-size: .7rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.slide-thumbs {
  padding: .5rem 0;
  display: flex;
  gap: .65rem;
  overflow-x: auto;
}

.slide-thumbs a {
  position: relative;
  flex: 0 0 6rem;
  border: 3px solid transparent;
}

.slide-thumbs a.is-active {
  border-color: #f2b84b;
}

.slide-thumbs a:focus-visible {
  border-color: #fff;
  outline: none;
}

.slide-thumbs img {
  width: 100%;
  height: 4.7rem;
  display: block;
  object-fit: cover;
}

.slide-thumbs span {
  position: absolute;
  right: .2rem;
  bottom: .2rem;
  padding: .1rem .3rem;
  background: #101b33;
  color: #fff;
  font-size: .55rem;
}

.collection-empty-state {
  padding: clamp(3rem, 6vw, 6rem);
  background: #04172c;
  text-align: center;
}

.collection-empty-state h2 {
  margin: 0 0 1rem;
  font: 500 clamp(2rem, 4vw, 4rem) "Oswald", sans-serif;
  text-transform: uppercase;
}

.collection-empty-state p {
  max-width: 48rem;
  margin: 0 auto;
  color: #d8e1e9;
  line-height: 1.7;
}

.collection-empty-state code {
  color: #f2b84b;
}

@media (max-width: 90rem) {
  .show-slideshow .slide-controls {
    grid-template-columns: auto 1fr;
    grid-template-areas:
      "steps count"
      "zoom zoom";
  }

  .show-slideshow .slide-controls > .zoom-tools {
    justify-self: start;
  }
}

@media (max-width: 56.25rem) {
  .collection-hero,
  .collection-selection {
    grid-template-columns: 1fr;
  }

  .collection-albums {
    grid-template-columns: 1fr;
  }

  .collection-albums nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 43.75rem) {
  .collection-hero,
  .collection-albums,
  .collection-selection,
  .show-slideshow {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .collection-hero h1 {
    font-size: 3.5rem;
  }

  .collection-albums nav {
    grid-template-columns: 1fr;
  }

  .show-slide.is-active,
  .show-slideshow.is-zoomed .show-slide.is-active {
    height: 60vh;
    min-height: 22rem;
    max-height: 38rem;
  }

  .show-slideshow .slide-controls {
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
      "steps steps"
      "count count"
      "zoom zoom";
  }

  .show-slideshow .slide-controls > .ipms-slide-step-controls,
  .show-slideshow .slide-controls > .zoom-tools {
    width: 100%;
  }

  .show-slideshow .slide-controls > .ipms-slide-step-controls button {
    flex: 1 1 0;
  }

  .show-slideshow .slide-controls > .zoom-tools {
    justify-self: stretch;
  }

  .show-slideshow .zoom-controls {
    width: 100%;
    justify-content: center;
  }
}