/* Coverflow — geometría tipo Swiper coverflow / EmbedSocial */

.coverflow,
#d-photos.coverflow-host {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  user-select: none;
  -webkit-user-select: none;
  container-type: inline-size;
  container-name: coverflow;
  /*
   * 9 cartas (±4), más grandes; gap JS → bordes del detail-body.
   */
  --cf-card-w: min(36cqw, 420px);
  --cf-card-h: calc(var(--cf-card-w) * 1.36);
  --cf-gap-ratio: 0.55;
  --cf-depth: 100px;
  --cf-rotate: 15;
  --cf-side-scale: 1;
  --cf-side-y: 0px;
  --cf-active-y: 0px;
  --cf-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --cf-dur: 0.88s;
}

.coverflow__stage {
  position: relative;
  width: 100%;
  max-width: none;
  margin: 0;
  height: calc(var(--cf-card-h) + 5rem);
  perspective: 1100px;
  perspective-origin: 50% 50%;
  outline: none;
  touch-action: pan-y;
  cursor: grab;
  overflow: visible;
}

.coverflow__stage.is-dragging {
  cursor: grabbing;
}

.coverflow__stage:focus-visible {
  outline: 2px solid var(--accent, #9e8d73);
  outline-offset: 4px;
}

.coverflow__world {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  transform-style: preserve-3d;
}

.coverflow__card {
  position: absolute;
  left: 0;
  top: 0;
  width: var(--cf-card-w);
  height: var(--cf-card-h);
  margin-left: calc(var(--cf-card-w) / -2);
  margin-top: calc(var(--cf-card-h) / -2);
  padding: 0;
  border: 0;
  border-radius: 28px;
  overflow: hidden;
  background: #eceae6;
  color: inherit;
  transform-origin: 50% 50%;
  transform-style: preserve-3d;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  /* movimiento lo anima JS (rAF); solo sombra/filtro en CSS */
  transition:
    filter 0.35s ease,
    box-shadow 0.35s ease;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
  opacity: 0;
}

.coverflow__stage.is-dragging .coverflow__card,
.coverflow__stage.is-animating .coverflow__card {
  transition: none;
}

.coverflow__card.is-active {
  cursor: zoom-in;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.18);
}

.coverflow__card.is-side {
  filter: brightness(0.96);
}

.coverflow__card.is-far {
  filter: brightness(0.93);
  pointer-events: none;
}

.coverflow__card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  pointer-events: none;
  -webkit-user-drag: none;
}

.coverflow__nav {
  position: absolute;
  top: 50%;
  z-index: 90;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  color: #8a8a8a;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.coverflow__nav:hover {
  background: #fff;
  color: #333;
  transform: scale(1.04);
}

.coverflow__nav:focus-visible {
  outline: 2px solid var(--accent, #9e8d73);
  outline-offset: 3px;
}

.coverflow__nav svg {
  width: 15px;
  height: 15px;
  display: block;
}

/* Sobre la zona visible de cada lateral (no en la juntura) */
/* Flechas sobre las cartas ±1 */
.coverflow__nav--prev {
  left: calc(50% - var(--cf-card-w) * var(--cf-gap-ratio) * 1.15 - 20px);
}

.coverflow__nav--next {
  right: calc(50% - var(--cf-card-w) * var(--cf-gap-ratio) * 1.15 - 20px);
  left: auto;
}

.coverflow__dots {
  display: none !important;
}

[data-theme="dark"] .coverflow__nav {
  background: rgba(28, 28, 28, 0.92);
  color: #ddd;
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .coverflow__card {
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

@media (max-width: 900px) {
  .coverflow,
  #d-photos.coverflow-host {
    --cf-card-w: min(40cqw, 320px);
    --cf-gap-ratio: 0.5;
    --cf-rotate: 14;
    --cf-depth: 95px;
  }

  .coverflow__nav {
    width: 36px;
    height: 36px;
    margin-top: -18px;
  }
}

@media (max-width: 480px) {
  .coverflow,
  #d-photos.coverflow-host {
    --cf-card-w: min(46cqw, 260px);
    --cf-gap-ratio: 0.48;
    --cf-rotate: 12;
    --cf-depth: 80px;
  }

  .coverflow__stage {
    height: calc(var(--cf-card-h) + 3.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .coverflow,
  #d-photos.coverflow-host {
    --cf-dur: 1.1s;
  }
}