/* Gallery Utility + Component Styles (token-driven) */

.w-screen {
  width: 100vw;
}

.h-screen {
  height: var(--viewport-height);
}

.bg-black {
  background-color: var(--clr-black);
}

.fixed {
  position: fixed;
}

.flex {
  display: flex;
}

.gap-4 {
  gap: var(--space-4);
}

.text-white {
  color: var(--clr-white);
}

.overflow-hidden {
  overflow: hidden;
}

.absolute {
  position: absolute;
}

.relative {
  position: relative;
}

.inset-0 {
  inset: 0;
}

.w-full {
  width: 100%;
}

.gallery-shell {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: var(--viewport-height);
  background: var(--clr-black);
  overflow: hidden;
  touch-action: none;
}

.gallery-scene,
.gallery-canvas {
  width: 100%;
  height: 100%;
}

.gallery-title-overlay,
.gallery-instructions {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  text-align: center;
  pointer-events: none;
  z-index: var(--z-top-elements);
  padding-inline: var(--space-4);
}

.gallery-title-overlay {
  top: calc(var(--content-top-offset) + var(--space-6));
}

.gallery-title {
  margin: 0;
  font-size: clamp(var(--size-r-2), 8vw, calc(var(--size-r-0-75) * 5));
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 var(--size-10) var(--size-28)
    color-mix(in srgb, var(--clr-black) 35%, transparent);
}

.gallery-subtitle {
  margin: var(--space-2) 0 0;
  font-size: clamp(var(--size-r-1), 2.6vw, var(--size-r-1-125));
  color: color-mix(in srgb, var(--text-primary) 75%, transparent);
  text-shadow: 0 var(--size-4) var(--size-18)
    color-mix(in srgb, var(--clr-black) 30%, transparent);
}

.gallery-instructions {
  bottom: calc(var(--content-bottom-offset) + var(--space-8));
  animation: gallery-pulse 1.6s ease-in-out infinite;
}

.gallery-instructions__text {
  margin: 0;
  color: color-mix(in srgb, var(--clr-white) 40%, transparent);
  font-size: var(--size-r-0-875);
}

.gallery-loader {
  position: absolute;
  inset: 0;
  z-index: calc(var(--z-top-elements) + 1);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-black);
}

.gallery-loader__spinner {
  width: var(--size-r-4);
  height: var(--size-r-4);
  border-radius: var(--radius-full);
  border: var(--size-4) solid
    color-mix(in srgb, var(--primary-color) 80%, transparent);
  border-top-color: transparent;
  animation: gallery-spin 0.9s linear infinite;
}

.gallery-lightbox {
  position: absolute;
  inset: 0;
  z-index: var(--z-top-elements);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--modal-overlay-bg);
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  padding: calc(var(--space-4) + var(--safe-top))
    calc(var(--space-4) + var(--safe-right))
    calc(var(--space-4) + var(--safe-bottom))
    calc(var(--space-4) + var(--safe-left));
  touch-action: none;
  transition:
    backdrop-filter 0.35s ease,
    -webkit-backdrop-filter 0.35s ease;
}

.gallery-lightbox.is-active {
  backdrop-filter: blur(var(--modal-overlay-blur));
  -webkit-backdrop-filter: blur(var(--modal-overlay-blur));
}

.gallery-lightbox__nav,
.gallery-lightbox__close {
  border: 0;
  cursor: pointer;
  border-radius: var(--radius-full);
  background: var(--modal-control-bg);
  color: var(--modal-control-text);
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.gallery-lightbox__nav:hover,
.gallery-lightbox__close:hover {
  background: var(--modal-control-bg-hover);
}

.gallery-lightbox__nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  padding: var(--space-3);
  font-size: var(--size-r-1-5);
  line-height: 1;
  z-index: calc(var(--z-top-elements) + 1);
}

.gallery-lightbox__nav--prev {
  left: calc(var(--space-4) + var(--safe-left));
}

.gallery-lightbox__nav--next {
  right: calc(var(--space-4) + var(--safe-right));
}

.gallery-lightbox__panel {
  position: relative;
  width: min(100%, calc(var(--size-r-4) * 18));
  border: var(--modal-panel-border);
  border-radius: var(--modal-panel-radius);
  background: var(--modal-panel-bg);
  box-shadow: var(--modal-panel-shadow);
  overflow: hidden;
}

.gallery-lightbox__counter {
  position: absolute;
  top: calc(var(--space-4) + var(--safe-top));
  left: calc(var(--space-4) + var(--safe-left));
  z-index: calc(var(--z-top-elements) + 1);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  background: var(--modal-control-bg);
  color: color-mix(in srgb, var(--clr-white) 70%, transparent);
  font-size: var(--size-r-0-875);
}

.gallery-lightbox__close {
  position: absolute;
  top: calc(var(--space-4) + var(--safe-top));
  right: calc(var(--space-4) + var(--safe-right));
  z-index: calc(var(--z-top-elements) + 1);
  padding: var(--space-2);
}

.gallery-lightbox__content {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .gallery-lightbox__content {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.gallery-lightbox__media {
  aspect-ratio: 1 / 1;
  background: var(--clr-black);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.gallery-lightbox__media-item {
  max-width: 100%;
  max-height: calc(var(--viewport-height) * 0.6);
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.gallery-lightbox__media-item.is-image {
  box-shadow: var(--shadow-lg);
}

.gallery-lightbox__details {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-4);
}

.gallery-lightbox__title {
  margin: 0;
  font-size: clamp(var(--size-r-1-75), 5vw, var(--size-r-2));
  line-height: 1.2;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--primary-light) 90%, var(--clr-white)),
    color-mix(in srgb, var(--accent-secondary) 65%, var(--clr-white))
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gallery-lightbox__description {
  margin: 0;
  color: color-mix(in srgb, var(--clr-white) 80%, transparent);
  line-height: 1.7;
  font-size: var(--size-r-1);
}

.gallery-lightbox__actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.gallery-lightbox__download {
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-6);
  font-weight: 600;
  color: var(--clr-white);
  background: var(--primary-color);
  transition:
    background-color var(--transition-fast),
    transform var(--transition-fast);
}

.gallery-lightbox__download:hover {
  background: var(--primary-dark);
  transform: var(--transform-lift-sm);
}

@keyframes gallery-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes gallery-pulse {
  0%,
  100% {
    opacity: 0.6;
  }
  50% {
    opacity: 1;
  }
}