/* ═══════════════════════════════════════════════════════════════
   lightbox.css — cinematic photo viewer (2026-09-25)
   FLIP zoom · glass controls · thumbnail rail · swipe-down close.
   ═══════════════════════════════════════════════════════════════ */

.pv-lb {
  position: fixed; inset: 0; z-index: 3000;
  display: grid; place-items: center;
  opacity: 0; visibility: hidden;
  transition: opacity .45s ease, visibility .45s;
}
.pv-lb.is-open { opacity: 1; visibility: visible; }

.pv-lb__backdrop {
  position: absolute; inset: 0;
  background: rgba(6, 6, 10, .92);
  backdrop-filter: blur(22px) saturate(1.1);
  -webkit-backdrop-filter: blur(22px) saturate(1.1);
}

.pv-lb__stage {
  position: relative; margin: 0; z-index: 2;
  max-width: min(1120px, 92vw); max-height: 78vh;
  display: flex; flex-direction: column; align-items: center;
}

.pv-lb__img {
  max-width: 100%; max-height: 72vh; object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 44px 110px rgba(0, 0, 0, .7), 0 0 70px rgba(200, 168, 78, .12);
  will-change: transform;
  user-select: none; -webkit-user-drag: none;
}
.pv-lb__img.is-zoom { transition: transform .5s cubic-bezier(.16,1,.3,1); }

.pv-lb__cap {
  margin-top: 18px; text-align: center;
  color: #eceef5; font-size: .95rem; letter-spacing: .02em;
  max-width: 720px; line-height: 1.6;
}
.pv-lb__cap:empty { display: none; }

/* glass controls */
.pv-lb__btn {
  position: absolute; z-index: 3;
  width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid rgba(200, 168, 78, .3);
  background: rgba(10, 10, 15, .55);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  color: #eceef5; cursor: pointer; display: grid; place-items: center;
  transition: transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s, border-color .35s, background .35s;
}
.pv-lb__btn:hover {
  transform: scale(1.1); border-color: #c8a84e;
  box-shadow: 0 0 30px rgba(200, 168, 78, .4);
  background: rgba(200, 168, 78, .18);
}
.pv-lb__close { top: 26px; right: 26px; }
.pv-lb__prev { left: 22px; top: 50%; transform: translateY(-50%); }
.pv-lb__next { right: 22px; top: 50%; transform: translateY(-50%); }
.pv-lb__prev:hover { transform: translateY(-50%) scale(1.1); }
.pv-lb__next:hover { transform: translateY(-50%) scale(1.1); }

.pv-lb__count {
  position: absolute; top: 32px; left: 50%; transform: translateX(-50%);
  z-index: 3; padding: 9px 18px; border-radius: 999px;
  background: rgba(10, 10, 15, .55); border: 1px solid rgba(200, 168, 78, .26);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: #c8a84e; font-size: .8rem; letter-spacing: .22em; font-weight: 600;
}

/* thumbnail rail */
.pv-lb__thumbs {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; gap: 10px;
  max-width: 88vw; overflow-x: auto; padding: 8px;
  border-radius: 16px;
  background: rgba(10, 10, 15, .5); border: 1px solid rgba(200, 168, 78, .18);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  scrollbar-width: none;
}
.pv-lb__thumbs::-webkit-scrollbar { display: none; }
.pv-lb__thumb {
  flex: none; width: 62px; height: 44px; border-radius: 9px; cursor: pointer;
  background-size: cover; background-position: center;
  border: 1.5px solid transparent; opacity: .55;
  transition: opacity .3s, border-color .3s, transform .3s;
}
.pv-lb__thumb:hover { opacity: .9; transform: translateY(-2px); }
.pv-lb__thumb.is-active { opacity: 1; border-color: #c8a84e; box-shadow: 0 0 18px rgba(200, 168, 78, .35); }

@media (max-width: 720px) {
  .pv-lb__btn { width: 44px; height: 44px; }
  .pv-lb__close { top: 14px; right: 14px; }
  .pv-lb__prev { left: 8px; }
  .pv-lb__next { right: 8px; }
  .pv-lb__stage { max-width: 96vw; }
  .pv-lb__img { max-height: 62vh; }
  .pv-lb__cap { font-size: .85rem; margin-top: 12px; padding: 0 12px; }
  .pv-lb__thumb { width: 50px; height: 36px; }
  .pv-lb__count { top: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .pv-lb, .pv-lb__img, .pv-lb__btn, .pv-lb__thumb { transition: none !important; }
}