/* ==========================================================
   GET FADES — gallery-viewer.css (v2: Instagram-stories look)
   Malaking card sa gitna, maliliit na preview sa gilid,
   bilog na arrows, header sa taas, button sa ilalim.
   ========================================================== */

/* Pointer sa video marquee (ang photo marquee ay naka-grab dahil pwede i-drag) */
.video-marquee__item { cursor: pointer; }

.gv {
  --h: min(88vh, 880px);
  --h: min(88svh, 880px);
  --w: calc(var(--h) * 9 / 16);
  --radius: 8px; /* gawing 0 kung gusto mong matalas ang gilid */
  position: fixed;
  inset: 0;
  z-index: 310;
  background: #121212;
  color: var(--color-white);
  overflow: hidden;
  touch-action: pan-y;
}
.gv[hidden] { display: none; }

.gv__stage { position: absolute; inset: 0; }

/* ---------- Cards ---------- */
.gv__slide {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--w);
  height: var(--h);
  margin: calc(var(--h) / -2) 0 0 calc(var(--w) / -2);
  border-radius: var(--radius);
  background: #000;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.22, 0.8, 0.3, 1), opacity 0.3s ease;
  will-change: transform, opacity;
}
.gv.no-anim .gv__slide { transition: none; }
.gv__slide.is-side { cursor: pointer; }
.gv__slide.is-side::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  background: rgba(18, 18, 18, 0.5);
}

/* Blurred na background (para sa photo na hindi 9:16) */
.gv__bg {
  position: absolute;
  inset: -12%;
  background-size: cover;
  background-position: center;
  filter: blur(26px) brightness(0.55);
}
.gv__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
}

/* ---------- Chrome sa ibabaw ng gitnang card ---------- */
.gv__chrome {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--w);
  height: var(--h);
  margin: calc(var(--h) / -2) 0 0 calc(var(--w) / -2);
  z-index: 20;
  pointer-events: none;
}
.gv__chrome::before,
.gv__chrome::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  pointer-events: none;
}
.gv__chrome::before {
  top: 0;
  height: 120px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(to bottom, rgba(10, 10, 10, 0.65), rgba(10, 10, 10, 0));
}
.gv__chrome::after {
  bottom: 0;
  height: 120px;
  border-radius: 0 0 var(--radius) var(--radius);
  background: linear-gradient(to top, rgba(10, 10, 10, 0.65), rgba(10, 10, 10, 0));
}

.gv__bar {
  position: absolute;
  z-index: 1;
  top: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  height: 3px;
  background: rgba(255, 255, 255, 0.3);
  overflow: hidden;
  visibility: hidden;
}
.gv__chrome.is-video .gv__bar { visibility: visible; }
.gv__bar-fill { display: block; width: 0; height: 100%; background: var(--color-white); }

.gv__head {
  position: absolute;
  z-index: 1;
  top: 1.4rem;
  left: 0.75rem;
  right: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.gv__avatar {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.gv__who { min-width: 0; line-height: 1.25; }
.gv__name { font-size: 0.875rem; font-weight: 600; }
.gv__sub {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-300);
}
.gv__tools { margin-left: auto; display: flex; gap: 0.1rem; }
.gv__tool {
  pointer-events: auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--color-white);
}
.gv__tool[hidden] { display: none; }
.gv__chrome:not(.is-video) .gv__tool { display: none; }
.gv__tool .gv__ico-alt { display: none; }
.gv__tool.is-on .gv__ico-main { display: none; }
.gv__tool.is-on .gv__ico-alt { display: block; }

.gv__cta {
  position: absolute;
  z-index: 1;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 1rem;
  min-height: 48px;
  pointer-events: auto;
}
.gv__cta[hidden] { display: none; }

/* ---------- Controls sa labas ng card ---------- */
.gv__btn {
  position: absolute;
  z-index: 30;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--color-white);
  background: rgba(70, 70, 70, 0.85);
  transition: background-color 0.2s linear;
}
.gv__btn[hidden] { display: none; }
@media (hover: hover) {
  .gv__btn:hover { background: rgba(120, 120, 120, 0.95); }
}
.gv__close {
  top: 1.25rem;
  right: 1.25rem;
  width: 48px;
  height: 48px;
  font-size: 2rem;
  line-height: 1;
}
.gv__arrow {
  top: 50%;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  font-size: 1.75rem;
  line-height: 1;
}
.gv__prev { left: calc(50% - var(--w) / 2 - 52px); }
.gv__next { right: calc(50% - var(--w) / 2 - 52px); }

/* ---------- Tablet at mobile: isang card lang, swipe ---------- */
@media (max-width: 899px) {
  .gv { --h: min(100vh, 100svh); --w: min(100vw, calc(100svh * 9 / 16)); --radius: 0px; }
  .gv__arrow { display: none; }
  .gv__close { top: 1.25rem; right: 0.75rem; width: 44px; height: 44px; background: rgba(20, 20, 20, 0.5); }
}
@media (min-width: 600px) and (max-width: 899px) {
  .gv { --h: min(92vh, 92svh, 880px); --w: calc(var(--h) * 9 / 16); --radius: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .gv__slide { transition: none; }
}