/* Arc-like premium motion — Stimulus/CSS only (no React).
 * Lightbox, morph-confirm, list gap-close. Emil timings + reduced-motion. */

:root {
  --arc-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --arc-duration: 220ms;
  --arc-duration-fast: 140ms;
  --arc-duration-overlay: 280ms;
  --arc-backdrop: rgba(15, 23, 42, 0.72);
}

/* —— Lightbox —— */
.arc-lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.arc-lightbox.is-open {
  display: flex;
}

.arc-lightbox__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.72);
  background-color: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transition: opacity var(--arc-duration-overlay) var(--arc-ease);
}

.arc-lightbox.is-open .arc-lightbox__backdrop {
  opacity: 1;
}

.arc-lightbox__stage {
  position: relative;
  z-index: 1;
  max-width: min(92vw, 56rem);
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transform: scale(0.96);
  opacity: 0;
  transition:
    transform var(--arc-duration-overlay) var(--arc-ease),
    opacity var(--arc-duration-overlay) var(--arc-ease);
}

.arc-lightbox.is-open .arc-lightbox__stage {
  transform: scale(1);
  opacity: 1;
}

.arc-lightbox__img {
  max-width: 100%;
  max-height: min(78vh, 900px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 0.75rem;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  user-select: none;
  -webkit-user-drag: none;
}

.arc-lightbox__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  color: #f8fafc;
  font-size: 0.875rem;
}

.arc-lightbox__nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border: 0;
  cursor: pointer;
  transition: transform var(--arc-duration-fast) var(--arc-ease), background var(--arc-duration-fast) var(--arc-ease);
}

.arc-lightbox__nav:hover {
  background: rgba(255, 255, 255, 0.22);
}

.arc-lightbox__nav:active {
  transform: scale(0.96);
}

.arc-lightbox__nav:focus-visible {
  outline: 2px solid #c4b5fd;
  outline-offset: 2px;
}

.arc-lightbox__thumb {
  cursor: zoom-in;
  touch-action: manipulation;
}

/* —— Morph confirm —— */
.arc-morph-confirm {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 2rem;
}

.arc-morph-confirm.is-asking > [data-morph-confirm-role="idle"] {
  display: none;
}

.arc-morph-confirm__ask {
  display: none;
  align-items: center;
  gap: 0.35rem;
}

.arc-morph-confirm.is-asking .arc-morph-confirm__ask {
  display: inline-flex;
  animation: arc-morph-in var(--arc-duration) var(--arc-ease) both;
}

.arc-morph-confirm__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.7rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 0;
  cursor: pointer;
  transition: transform var(--arc-duration-fast) var(--arc-ease), opacity var(--arc-duration-fast) var(--arc-ease);
}

.arc-morph-confirm__btn:active {
  transform: scale(0.97);
}

.arc-morph-confirm__btn--yes {
  background: #e11d48;
  color: #fff;
}

.arc-morph-confirm__btn--no {
  background: rgba(148, 163, 184, 0.2);
  color: inherit;
}

@keyframes arc-morph-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* —— List gap-close —— */
.arc-list-item {
  overflow: hidden;
  transform-origin: top center;
  transition:
    opacity var(--arc-duration) var(--arc-ease),
    transform var(--arc-duration) var(--arc-ease);
  will-change: opacity, transform;
}

.arc-list-item.is-leaving {
  opacity: 0;
  transform: scaleY(0.92) translateY(-4px);
  pointer-events: none;
}

.arc-list-item.is-flipping {
  transition: transform var(--arc-duration) var(--arc-ease);
}

@media (prefers-reduced-motion: reduce) {
  .arc-lightbox__backdrop,
  .arc-lightbox__stage,
  .arc-lightbox__nav,
  .arc-morph-confirm__ask,
  .arc-morph-confirm__btn,
  .arc-list-item,
  .arc-list-item.is-flipping {
    transition: none !important;
    animation: none !important;
  }

  .arc-lightbox.is-open .arc-lightbox__stage {
    transform: none;
  }
}