/**
 * DomeGallery CSS - Stili per galleria 3D interattiva
 * Versione standalone per WordPress
 */

/* Root container */
.dome-gallery-root {
  position: relative;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
}

/* Utility class for overflow hidden */
.overflow-hidden {
  overflow: hidden !important;
}

/* Main container */
.dome-gallery-main {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  background-color: transparent;
  contain: layout paint style;
  transform: translateZ(0);
  will-change: transform;
}

/* Perspective container */
.dome-gallery-perspective {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  contain: layout paint size;
  perspective: calc(var(--radius) * 2);
  perspective-origin: 50% 50%;
  transform: translateZ(0);
}

/* Sphere container */
.dome-gallery-sphere {
  will-change: transform;
  transform-style: preserve-3d;
  transform: translateZ(calc(var(--radius) * -1));
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Individual item positioning */
.dome-gallery-item {
  position: absolute;
  top: -999px;
  bottom: -999px;
  left: -999px;
  right: -999px;
  margin: auto;
  transition: none; /* Disabilita transizioni per performance */
  transform: translateZ(0);
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -webkit-transform: translateZ(0);
}

/* Tile (clickable area) */
.dome-gallery-tile {
  position: absolute;
  display: block;
  inset: 10px;
  background-color: transparent;
  overflow: hidden;
  transition: none; /* Disabilita per performance */
  cursor: pointer;
  pointer-events: auto;
  transform: translateZ(0);
  transform-style: preserve-3d;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--tile-radius, 12px);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  -webkit-transform: translateZ(0);
  outline: none;
  will-change: transform;
}

.dome-gallery-tile:focus {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

/* Image styling */
.dome-gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  filter: var(--image-filter, none);
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  will-change: transform;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: optimizeQuality;
}

/* Overlay gradients */
.dome-gallery-overlay-gradient {
  position: absolute;
  inset: 0;
  margin: auto;
  z-index: 3;
  pointer-events: none;
  background-image: radial-gradient(rgba(235, 235, 235, 0) 65%, var(--overlay-blur-color, #060010) 100%);
}

.dome-gallery-overlay-blur {
  position: absolute;
  inset: 0;
  margin: auto;
  z-index: 3;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(rgba(235, 235, 235, 0) 70%, var(--overlay-blur-color, #060010) 90%);
  mask-image: radial-gradient(rgba(235, 235, 235, 0) 70%, var(--overlay-blur-color, #060010) 90%);
}

.dome-gallery-overlay-top {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 120px;
  z-index: 5;
  pointer-events: none;
  transform: rotate(180deg);
  background: linear-gradient(to bottom, transparent, var(--overlay-blur-color, #060010));
}

.dome-gallery-overlay-bottom {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  z-index: 5;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--overlay-blur-color, #060010));
}

/* Viewer container */
.dome-gallery-viewer {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--viewer-pad);
}

/* Scrim (dark overlay when image is enlarged) */
.dome-gallery-scrim {
  position: absolute;
  inset: 0;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 500ms linear;
}

.dome-gallery-scrim.opacity-100 {
  opacity: 1;
}

.dome-gallery-scrim.opacity-0 {
  opacity: 0;
}

.dome-gallery-scrim.pointer-events-auto {
  pointer-events: auto;
  cursor: pointer;
}

.dome-gallery-scrim.pointer-events-none {
  pointer-events: none;
}

/* Frame for image enlargement */
.dome-gallery-frame {
  height: 100%;
  aspect-ratio: 1/1;
  display: flex;
  border-radius: var(--enlarge-radius, 32px);
}

/* Responsive adjustments for small screens */
@media (max-aspect-ratio: 1/1) {
  .dome-gallery-frame {
    height: auto;
    width: 100%;
  }
}

/* Enlarge animation elements */
.enlarge {
  border-radius: var(--enlarge-radius, 32px);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.enlarge img {
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}

/* Reference div for positioning calculations */
.item__image--reference {
  position: absolute;
  inset: 10px;
  pointer-events: none;
  transform-style: preserve-3d;
}

/* Loading state */
.dome-gallery-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #ffffff;
  color: #333;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  z-index: 100;
  gap: 20px;
}

.dome-gallery-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #333;
  border-radius: 50%;
  animation: dome-spin 1s linear infinite;
}

@keyframes dome-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.dome-gallery-loading-text {
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* Animation for smooth appearance - removed for performance */

/* Print styles */
@media print {
  .dome-gallery-root {
    display: none;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  .dome-gallery-tile,
  .dome-gallery-item,
  .dome-gallery-scrim,
  .enlarge {
    transition: none !important;
    animation: none !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .dome-gallery-tile:focus {
    outline: 3px solid currentColor;
    outline-offset: 3px;
  }
}

/* Performance mode durante il drag */
[data-dragging="true"] .dome-gallery-item {
  transition: none !important;
}

[data-dragging="true"] .dome-gallery-tile {
  transition: none !important;
}

[data-dragging="true"] .dome-gallery-img {
  image-rendering: optimizeSpeed;
  image-rendering: -moz-crisp-edges;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: pixelated;
  transform: scale(0.99); /* Piccolo trick per forzare GPU layer */
}

[data-dragging="true"] .dome-gallery-sphere {
  will-change: transform !important;
}

/* Mobile: disabilita interazioni, solo autorotazione */
[data-mobile="true"] {
  --viewer-pad: 0px !important; /* Rimuove completamente spazio bianco sopra/sotto */
}

[data-mobile="true"] .dome-gallery-main {
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}

[data-mobile="true"] .dome-gallery-tile {
  cursor: default;
  pointer-events: none;
}