/**
 * Vertex Gallery - CSS Variables
 * 
 * All colors and styling can be customized via CSS variables.
 * Override these variables in your own CSS to theme the gallery.
 */
:root {
  /* Base Colors */
  --vg-bg-color: #0f172a;
  --vg-card-bg: #1e293b;
  --vg-accent: #0005f0;
  --vg-text-main: #f8fafc;
  --vg-text-muted: #94a3b8;
  
  /* Glass/Overlay Effects */
  --vg-glass-bg: rgba(0, 0, 0, 0.6);
  --vg-glass-border: rgba(255, 255, 255, 0.1);
  
  /* Filter Button Colors */
  --vg-filter-btn-bg: #000000;
  --vg-filter-btn-color: #ffffff;
  --vg-filter-btn-border: #000000;
  --vg-filter-btn-hover-bg: #3333ff;
  --vg-filter-btn-hover-border: #3333ff;
  --vg-filter-btn-active-color: #ffffff;
  
  /* Modal Text Colors (Dark Theme) */
  --vg-modal-text-color: #ffffff;
  --vg-modal-text-muted: rgba(255, 255, 255, 0.95);
  --vg-modal-count-color: #ffffff;
  --vg-modal-shadow-dark: rgba(0, 0, 0, 0.8);
  
  /* Modal Backdrop Opacity - Set via JavaScript, defaults to 0.8 */
  --vg-modal-backdrop-opacity: 0.8;
  
  /* Light Theme Colors */
  --vg-light-text: #1a1a1a;
  --vg-light-text-muted: #4a4a4a;
  --vg-light-bg-overlay: rgba(0, 0, 0, 0.1);
  --vg-light-bg-overlay-hover: rgba(0, 0, 0, 0.15);
  --vg-light-border: rgba(0, 0, 0, 0.1);
  --vg-light-border-hover: rgba(0, 0, 0, 0.2);
  --vg-light-shadow: rgba(255, 255, 255, 0.8);
  --vg-light-header-bg: rgba(255, 255, 255, 0.4);
  --vg-light-text-shadow: rgba(255, 255, 255, 0.8);
  --vg-light-text-shadow-strong: rgba(255, 255, 255, 0.5);
  --vg-light-icon-color: rgba(0, 0, 0, 0.7);
  --vg-light-icon-hover-color: #000000;
  --vg-light-btn-active-color: #ffffff;
  
  /* Card Colors */
  --vg-card-desc-color: #cbd5e1;
  --vg-card-overlay-bg: rgba(0, 0, 0, 0.8);
  
  /* Zoom Icon */
  --vg-zoom-icon-bg: rgba(0, 0, 0, 0.5);
  --vg-zoom-icon-color: #ffffff;
  
  /* Modal Elements */
  --vg-modal-header-bg: rgba(0, 0, 0, 0.4);
  --vg-modal-speed-bg: rgba(0, 0, 0, 0.4);
  --vg-modal-speed-border: rgba(255, 255, 255, 0.1);
  --vg-btn-circle-bg: rgba(255, 255, 255, 0.1);
  --vg-btn-circle-hover-bg: rgba(255, 255, 255, 0.25);
  --vg-btn-circle-color: #ffffff;
  --vg-btn-icon-color: rgba(255, 255, 255, 0.7);
  --vg-btn-icon-hover-color: #ffffff;
  --vg-transform-btn-bg: rgba(0, 0, 0, 0.4);
  --vg-transform-btn-border: rgba(255, 255, 255, 0.1);
  --vg-transform-btn-hover-bg: rgba(255, 255, 255, 0.2);
  --vg-modal-nav-bg: rgba(255, 255, 255, 0.1);
  --vg-modal-nav-hover-bg: rgba(255, 255, 255, 0.2);
  --vg-modal-nav-color: #ffffff;
  --vg-thumb-arrow-bg: rgba(0, 0, 0, 0.5);
  --vg-thumb-arrow-border: rgba(255, 255, 255, 0.1);
  --vg-thumb-arrow-hover-bg: rgba(255, 255, 255, 0.25);
  --vg-thumb-arrow-color: #ffffff;
  --vg-thumbnails-track-bg: rgba(0, 0, 0, 0.5);
  --vg-thumbnails-track-border: rgba(255, 255, 255, 0.1);
  --vg-slider-track-bg: rgba(255, 255, 255, 0.2);
  --vg-slider-thumb-bg: #ffffff;
  --vg-slider-thumb-shadow: rgba(0, 0, 0, 0.3);
  --vg-loader-border: rgba(255, 255, 255, 0.1);
  
  /* Layout & Spacing */
  --vg-gap: 16px;
  --vg-container-max-width: 1200px;
  --vg-thumb-height: 60px;
  
  /* Container styling variables */
  --vg-container-bg: rgba(15, 23, 42, 0.5);
  --vg-container-border: var(--vg-glass-border);
  --vg-container-border-radius: 1.5rem;
  --vg-container-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  
  /* Card styling variables */
  --vg-card-border-radius: 1rem;
  --vg-card-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  
  /* Lazy Loading */
  --vg-lazy-error-bg: rgba(148, 163, 184, 0.2);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  .vg-modal,
  .vg-modal *,
  .vg-card,
  .vg-card *,
  .vg-filter-btn,
  .vg-btn-circle,
  .vg-modal-nav,
  .vg-thumbnail-item {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .vg-lazy-img {
    transition: none !important;
  }
}

/* Touch feedback for better mobile UX */
@media (hover: none) and (pointer: coarse) {
  .vg-card:active,
  .vg-filter-btn:active,
  .vg-btn-circle:active,
  .vg-modal-nav:active,
  .vg-thumbnail-item:active {
    opacity: 0.7;
    transform: scale(0.98);
  }
}

/* Gallery Wrapper */
.vg-gallery-wrapper {
  position: relative;
  width: 100%;
  max-width: 100%;
  display: block;
  overflow: visible;
}

/* Gallery Header (Filters) */
.vg-gallery-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 0 0.5rem;
  align-items: center;
}

.vg-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
}

.vg-filter-btn {
  background: var(--vg-filter-btn-bg, #000000);
  border: 1px solid var(--vg-filter-btn-border, #000000);
  color: var(--vg-filter-btn-color, #ffffff);
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  backdrop-filter: blur(16px);
  user-select: none;
}

.vg-filter-btn:hover {
  background: var(--vg-filter-btn-hover-bg, #3333ff);
  border-color: var(--vg-filter-btn-hover-border, #3333ff);
  transform: translateY(-1px);
}

/* Use color-mix for custom accent colors (browsers that support it) */
@supports (background: color-mix(in srgb, red 50%, blue)) {
  .vg-filter-btn:hover {
    background: color-mix(in srgb, var(--vg-accent, #0005f0) 90%, white);
    border-color: color-mix(in srgb, var(--vg-accent, #0005f0) 90%, white);
  }
}

/* Fallback for browsers without color-mix support */
@supports not (background: color-mix(in srgb, red 50%, blue)) {
  .vg-filter-btn:hover {
    background: var(--vg-filter-btn-hover-bg, #3333ff);
    border-color: var(--vg-filter-btn-hover-border, #3333ff);
  }
}

.vg-filter-btn.active {
  background: var(--vg-accent, #0005f0);
  border-color: var(--vg-accent, #0005f0);
  color: var(--vg-filter-btn-active-color, #ffffff);
 
}

/* Gallery Container - Minimal structural styles only */
.vg-gallery-container {
  width: 100%;
  max-width: var(--vg-container-max-width);
  margin: 0 auto;
  position: relative;
  overflow: visible;
  /* Visual styling moved to demo.css - override via CSS variables or your own CSS */
}


/* Corner style classes - Users can override via CSS variables */
.vg-gallery-container.vg-corners-rounded {
  border-radius: var(--vg-container-border-radius, 1.5rem);
}

.vg-gallery-container.vg-corners-rounded .vg-card {
  border-radius: var(--vg-card-border-radius, 1rem);
}

.vg-gallery-container.vg-corners-flat {
  border-radius: 0;
}

.vg-gallery-container.vg-corners-flat .vg-card {
  border-radius: 0;
}

/* Shadow toggle classes */
.vg-gallery-container.vg-shadow-off {
  box-shadow: none;
}

.vg-gallery-container.vg-shadow-off .vg-card {
  box-shadow: none;
}

.vg-gallery-container.vg-shadow-on .vg-card {
  box-shadow: var(--vg-card-shadow, 0 10px 15px -3px rgba(0, 0, 0, 0.3));
}

/* Grid Layout */
.vg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--vg-gap);
  width: 100%;
  max-width: 100%;
  overflow: visible;
}

/* Masonry Layout */
.vg-grid.vg-layout-masonry {
  grid-template-rows: masonry;
  align-items: start;
  position: relative;
  padding-bottom: 1.5rem;
}

/* Ensure parent has position relative for masonry fallback positioning */
.vg-gallery-container .vg-grid.vg-layout-masonry {
  position: relative;
}

.vg-layout-masonry .vg-card {
  aspect-ratio: auto;
  height: auto;
  /* Hide cards initially to prevent flickering - will be shown after positioning */
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.2s ease-out, visibility 0s linear 0.2s;
}

.vg-layout-masonry .vg-card.vg-positioned {
  visibility: visible;
  opacity: 1;
  transition: opacity 0.2s ease-out;
}

.vg-layout-masonry .vg-card img {
  height: auto;
  width: 100%;
  object-fit: cover;
  display: block;
}

/* Gallery Card */
.vg-card {
  overflow: visible;
  position: relative;
  transform: translateZ(0);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.3s ease-in;
  cursor: pointer;
  user-select: none;
  -webkit-user-drag: none;
  aspect-ratio: 1;
  /* Visual styling (border-radius, background, box-shadow, hover effects) moved to demo.css */
}

.vg-card img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  transition: filter 0.4s ease;
  border-radius: inherit;
}

/* Image Filter Hover Effects */
/* When hover mode is 'color', remove filter on hover */
.vg-filter-hover-color .vg-card:hover img {
  filter: none !important;
}

/* When hover mode is 'filter', start without filter, add filter on hover */
.vg-filter-hover-filter .vg-card img {
  filter: none !important;
}

/* FIXED: CSS Variables for Filter Application */
.vg-filter-active.vg-filter-hover-none .vg-card img,
.vg-filter-active.vg-filter-hover-color .vg-card img {
  filter: var(--vg-current-filter, none);
}

.vg-filter-active.vg-filter-hover-color .vg-card:hover img {
  filter: none !important;
}

.vg-filter-active.vg-filter-hover-filter .vg-card img {
  filter: none !important;
}

.vg-filter-active.vg-filter-hover-filter .vg-card:hover img {
  filter: var(--vg-hover-filter, none) !important;
}

.vg-filter-hover-filter .vg-card:hover img {
  filter: var(--vg-hover-filter, grayscale(100%)) !important;
}

/* Lazy Loading State */
.vg-lazy-img {
  opacity: 0;
  transition: opacity 0.6s ease-out;
}

.vg-lazy-img.loaded {
  opacity: 1;
}

.vg-lazy-img.error {
  opacity: 0.3;
  background: var(--vg-lazy-error-bg, rgba(148, 163, 184, 0.2));
}

/* Card Overlay */
.vg-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--vg-card-overlay-bg, rgba(0,0,0,0.8)), transparent, transparent);
  transition: opacity 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  pointer-events: none;
  overflow: hidden;
  border-radius: inherit;
}

.vg-card-overlay.overlay-hide {
  display: none;
}

.vg-card-overlay.overlay-always {
  opacity: 1;
}

.vg-card-overlay.overlay-hover {
  opacity: 0;
}

.vg-card:hover .vg-card-overlay.overlay-hover {
  opacity: 1;
}

.vg-card-title {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--vg-text-main);
  transform: translateY(10px);
  transition: transform 0.3s ease;
}

.vg-card-desc {
  font-size: 0.875rem;
  color: var(--vg-card-desc-color, #cbd5e1);
  margin-top: 0.25rem;
  transform: translateY(10px);
  transition: transform 0.3s ease 0.05s;
}

.vg-card:hover .vg-card-title,
.vg-card:hover .vg-card-desc {
  transform: translateY(0);
}

/* Zoom Icon Overlay */
.vg-zoom-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: var(--vg-zoom-icon-bg, rgba(0,0,0,0.5));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.2s;
  pointer-events: none;
  backdrop-filter: blur(4px);
  color: var(--vg-zoom-icon-color, #ffffff);
}

.vg-card:hover .vg-zoom-icon {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* Empty State */
.vg-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem 1rem;
  color: var(--vg-text-muted);
  font-size: 1rem;
}

/* Modal Styles */
.vg-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
  /* Prevent layout shifts during modal open/close */
  will-change: opacity, visibility;
  /* Dark theme backdrop (default) - uses CSS variable for opacity */
  /* Background color set instantly, no transition to prevent flickering */
  background-color: rgba(0, 0, 0, var(--vg-modal-backdrop-opacity, 0.8));
}

/* Light theme - set initial background color and control styles to prevent flickering */
.vg-modal.vg-theme-light {
  background-color: rgba(255, 255, 255, var(--vg-modal-backdrop-opacity, 0.8));
}

/* Light theme controls - set initial styles immediately to prevent flickering */
.vg-modal.vg-theme-light .vg-btn-circle {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

.vg-modal.vg-theme-light .vg-modal-nav {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

.vg-modal.vg-theme-light .vg-modal-header {
  background: linear-gradient(to bottom, var(--vg-light-header-bg, rgba(255,255,255,0.4)) 0%, transparent 100%);
}

.vg-modal.vg-theme-light .vg-transform-toolbar .vg-btn-icon-small {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
}

.vg-modal.vg-theme-light .vg-modal-speed {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

/* Autoplay Progress Bar */
.vg-modal-autoplay-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--vg-accent, #0005f0);
  z-index: 2000;
  transition: width linear;
  pointer-events: none;
  will-change: width;
}

/* Image Error Notification */
.vg-image-error {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.9);
  color: #fff;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.vg-image-error button {
  background: #fff;
  color: #000;
  border: none;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
  font-weight: 500;
}

.vg-image-error button:hover {
  background: #f0f0f0;
}

/* Live Region - Hidden but accessible to screen readers */
.vg-live-region {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.vg-modal.active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transition: opacity 0.3s ease, visibility 0s linear 0s;
  /* Ensure smooth activation */
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  /* Background color is already set in base .vg-modal class, no transition needed */
}

/* Light theme active state - background already set in base .vg-theme-light class */
/* No additional styles needed - background color is maintained from .vg-modal.vg-theme-light */

/* Fullscreen mode - maintain background colors without transitions to prevent flickering */
/* Standard fullscreen pseudo-class */
.vg-modal:fullscreen {
  /* Dark theme background in fullscreen - same as normal mode */
  background-color: rgba(0, 0, 0, var(--vg-modal-backdrop-opacity, 0.8));
  /* No transition on background to prevent flicker */
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

.vg-modal.vg-theme-light:fullscreen {
  /* Light theme background in fullscreen - same as normal mode */
  background-color: rgba(255, 255, 255, var(--vg-modal-backdrop-opacity, 0.8));
  /* No transition on background to prevent flicker */
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

/* Webkit fullscreen pseudo-class (Safari, Chrome) */
.vg-modal:-webkit-full-screen {
  background-color: rgba(0, 0, 0, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

.vg-modal.vg-theme-light:-webkit-full-screen {
  background-color: rgba(255, 255, 255, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

/* Mozilla fullscreen pseudo-class (Firefox) */
.vg-modal:-moz-full-screen {
  background-color: rgba(0, 0, 0, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

.vg-modal.vg-theme-light:-moz-full-screen {
  background-color: rgba(255, 255, 255, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

/* MS fullscreen pseudo-class (Edge, IE) */
.vg-modal:-ms-fullscreen {
  background-color: rgba(0, 0, 0, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

.vg-modal.vg-theme-light:-ms-fullscreen {
  background-color: rgba(255, 255, 255, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0.3s, pointer-events 0s linear 0.3s;
}

/* Active fullscreen state - maintain background colors */
.vg-modal.active:fullscreen,
.vg-modal.active:-webkit-full-screen,
.vg-modal.active:-moz-full-screen,
.vg-modal.active:-ms-fullscreen {
  background-color: rgba(0, 0, 0, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0s;
}

.vg-modal.vg-theme-light.active:fullscreen,
.vg-modal.vg-theme-light.active:-webkit-full-screen,
.vg-modal.vg-theme-light.active:-moz-full-screen,
.vg-modal.vg-theme-light.active:-ms-fullscreen {
  background-color: rgba(255, 255, 255, var(--vg-modal-backdrop-opacity, 0.8));
  transition: opacity 0.3s ease, visibility 0s linear 0s;
}

.vg-modal-content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 0;
}

.vg-loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  border: 4px solid var(--vg-loader-border, rgba(255, 255, 255, 0.1));
  border-radius: 50%;
  border-top-color: var(--vg-accent);
  animation: spin 1s ease-in-out infinite;
  display: none;
  z-index: 50;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.vg-modal-img-wrapper {
  flex: 1;
  min-height: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  position: relative;
  /* Prevent layout shifts during image transitions */
  contain: layout style paint;
}

.vg-modal-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  pointer-events: auto;
  user-select: none;
  -webkit-user-drag: none;
  transform-origin: center center;
  position: absolute;
  top: 0;
  left: 0;
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0s;
  will-change: opacity, transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Explicitly set transform-origin before applying transforms */
.vg-modal-img-wrapper {
  transform-origin: center center;
}

/* Slide Animations */
.slide-enter-next {
  transform: translateX(100%);
  opacity: 0;
}

.slide-exit-next {
  transform: translateX(-100%) !important;
  opacity: 0;
}

.slide-enter-prev {
  transform: translateX(-100%);
  opacity: 0;
}

.slide-exit-prev {
  transform: translateX(100%) !important;
  opacity: 0;
}

/* Caption Overlay */
.vg-caption-overlay {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 600px;
  text-align: center;
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards 0.3s;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

.vg-modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--vg-modal-text-color, #ffffff);
  text-shadow: 0 2px 4px var(--vg-modal-shadow-dark, rgba(0,0,0,0.8)), 0 0 10px var(--vg-modal-shadow-dark, rgba(0,0,0,0.5));
  margin-bottom: 0.25rem;
}

.vg-modal-desc {
  color: var(--vg-modal-text-muted, rgba(255,255,255,0.95));
  font-size: 1rem;
  text-shadow: 0 1px 3px var(--vg-modal-shadow-dark, rgba(0,0,0,0.8)), 0 0 8px var(--vg-modal-shadow-dark, rgba(0,0,0,0.5));
}

.vg-modal-count {
  position: absolute;
  top: 1rem;
  left: 1rem;
  color: var(--vg-modal-count-color, #ffffff);
  font-size: 0.9rem;
  font-weight: 600;
  text-shadow: 0 1px 2px var(--vg-modal-shadow-dark, rgba(0,0,0,0.8));
  z-index: 121;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

/* Transform Toolbar */
.vg-transform-toolbar {
  position: absolute;
  top: 3rem;
  left: 1rem;
  z-index: 121;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: opacity 0.2s ease;
}

.vg-modal-header {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  padding: 1rem;
  z-index: 121;
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: flex-end;
  background: linear-gradient(to bottom, var(--vg-modal-header-bg, rgba(0,0,0,0.4)) 0%, transparent 100%);
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.vg-modal-header > * {
  pointer-events: auto;
}

/* Icon buttons in modal header should have background like other header buttons */
.vg-modal-header .vg-btn-icon-small {
  background: var(--vg-btn-circle-bg, rgba(255, 255, 255, 0.1));
  border: none;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  backdrop-filter: blur(4px);
  transition: all 0.2s;
}

.vg-modal-header .vg-btn-icon-small:hover {
  background: var(--vg-btn-circle-hover-bg, rgba(255, 255, 255, 0.25));
  transform: scale(1.05);
}

.vg-modal-speed {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--vg-modal-speed-bg, rgba(0, 0, 0, 0.4));
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  border: 1px solid var(--vg-modal-speed-border, rgba(255,255,255,0.1));
  backdrop-filter: blur(4px);
}

.vg-slider-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  user-select: none;
}

.vg-slider-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--vg-text-muted);
  font-weight: 600;
}

.vg-slider-track-container {
  width: 100px;
  height: 12px;
  display: flex;
  align-items: center;
  cursor: pointer;
  position: relative;
}

.vg-slider-track {
  width: 100%;
  height: 4px;
  background: var(--vg-slider-track-bg, rgba(255,255,255,0.2));
  border-radius: 2px;
}

.vg-slider-fill {
  position: absolute;
  left: 0;
  height: 4px;
  background: var(--vg-accent);
  border-radius: 2px;
  width: 0%;
  pointer-events: none;
}

.vg-slider-thumb {
  position: absolute;
  left: 0%;
  width: 14px;
  height: 14px;
  background: var(--vg-slider-thumb-bg, #ffffff);
  border-radius: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  box-shadow: 0 1px 3px var(--vg-slider-thumb-shadow, rgba(0,0,0,0.3));
  transition: transform 0.1s;
}

.vg-slider-track-container:hover .vg-slider-thumb {
  transform: translateX(-50%) scale(1.2);
}

.vg-btn-circle {
  background: var(--vg-btn-circle-bg, rgba(255, 255, 255, 0.1));
  border: none;
  color: var(--vg-btn-circle-color, #ffffff);
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
  padding: 0;
}

.vg-btn-circle:hover {
  background: var(--vg-btn-circle-hover-bg, rgba(255, 255, 255, 0.25));
  transform: scale(1.05);
}

.vg-btn-circle.active {
  background: var(--vg-accent);
  color: var(--vg-btn-circle-color, #ffffff);
}

.vg-btn-circle > * {
  pointer-events: none;
}

.vg-btn-icon-small {
  background: none;
  border: none;
  color: var(--vg-btn-icon-color, rgba(255,255,255,0.7));
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s;
}

.vg-transform-toolbar .vg-btn-icon-small {
  background: var(--vg-transform-btn-bg, rgba(0,0,0,0.4));
  border-radius: 50%;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--vg-transform-btn-border, rgba(255,255,255,0.1));
}

.vg-transform-toolbar .vg-btn-icon-small:hover {
  background: var(--vg-transform-btn-hover-bg, rgba(255,255,255,0.2));
  color: var(--vg-btn-icon-hover-color, #ffffff);
}

.vg-btn-icon-small:hover {
  color: var(--vg-btn-icon-hover-color, #ffffff);
}

.vg-btn-icon-small .vg-icon {
  width: 16px;
  height: 16px;
}

.vg-modal-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--vg-modal-nav-bg, rgba(255, 255, 255, 0.1));
  border: none;
  color: var(--vg-modal-nav-color, #ffffff);
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s, opacity 0.2s ease;
  z-index: 121;
  backdrop-filter: blur(4px);
}

.vg-modal-nav:hover {
  background: var(--vg-modal-nav-hover-bg, rgba(255, 255, 255, 0.2));
  transform: translateY(-50%) scale(1.1);
}

.vg-modal-nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.vg-modal-nav > * {
  pointer-events: none;
}

.vg-modal-prev {
  left: 1rem;
}

.vg-modal-next {
  right: 1rem;
}

/* Thumbnails Strip */
.vg-thumbnails-wrapper {
  position: relative;
  width: auto;
  max-width: 900px;
  margin: 0 auto 2rem auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  z-index: 121;
  transition: opacity 0.3s ease, margin 0.3s ease;
}

.vg-modal.vg-thumbs-hidden .vg-thumbnails-wrapper {
  opacity: 0;
  margin-bottom: 0;
  pointer-events: none;
}

.vg-thumb-arrow {
  background: var(--vg-thumb-arrow-bg, rgba(0, 0, 0, 0.5));
  border: 1px solid var(--vg-thumb-arrow-border, rgba(255,255,255,0.1));
  color: var(--vg-thumb-arrow-color, #ffffff);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(4px);
  transition: all 0.2s;
  flex-shrink: 0;
}

.vg-thumbnails-wrapper.has-overflow .vg-thumb-arrow {
  display: flex;
}

.vg-thumb-arrow:hover {
  background: var(--vg-thumb-arrow-hover-bg, rgba(255, 255, 255, 0.25));
}

.vg-thumb-arrow > * {
  pointer-events: none;
}

.vg-thumbnails-track {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--vg-thumbnails-track-bg, rgba(0, 0, 0, 0.5));
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  border: 1px solid var(--vg-thumbnails-track-border, rgba(255,255,255,0.1));
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
}

/* Use passive event listeners for better scroll performance */
.vg-thumbnails-track {
  overscroll-behavior-x: contain;
}

.vg-thumbnails-track::-webkit-scrollbar {
  display: none;
}

.vg-thumbnail-item {
  height: var(--vg-thumb-height);
  flex-shrink: 0;
  cursor: pointer;
  border-radius: 4px;
  overflow: hidden;
  opacity: 0.5;
  transition: all 0.2s;
  border: 2px solid transparent;
}

.vg-thumbnail-item.style-crop {
  width: auto;
  aspect-ratio: 3/2;
}

.vg-thumbnail-item.style-natural {
  width: auto;
}

.vg-thumbnail-item:hover {
  opacity: 0.8;
}

.vg-thumbnail-item.active {
  opacity: 1;
  border-color: var(--vg-accent);
  transform: scale(1.1);
}

.vg-thumbnail-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vg-thumbnail-item.style-natural img {
  width: auto;
  object-fit: contain;
}

.vg-icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Light Theme - Additional styles */
/* Background color set instantly in .vg-modal.vg-theme-light (line 467), no transition to prevent flickering */
/* Only opacity transitions for fade effect */

/* Prevent layout shifts in light theme */
.vg-theme-light .vg-modal-img-wrapper {
  /* Ensure stable layout during image transitions */
  min-height: 50vh;
}

/* Light Theme - Button Circle */
.vg-theme-light .vg-btn-circle {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

.vg-theme-light .vg-btn-circle:hover {
  background: var(--vg-light-bg-overlay-hover, rgba(0, 0, 0, 0.15));
  border-color: var(--vg-light-border-hover, rgba(0, 0, 0, 0.2));
}

.vg-theme-light .vg-btn-circle.active {
  background: var(--vg-accent, #0005f0);
  color: var(--vg-light-btn-active-color, #ffffff);
  border-color: var(--vg-accent, #0005f0);
}

/* Light Theme - Modal Navigation */
.vg-theme-light .vg-modal-nav {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

.vg-theme-light .vg-modal-nav:hover {
  background: var(--vg-light-bg-overlay-hover, rgba(0, 0, 0, 0.15));
  border-color: var(--vg-light-border-hover, rgba(0, 0, 0, 0.2));
}

/* Light Theme - Modal Header */
.vg-theme-light .vg-modal-header {
  background: linear-gradient(to bottom, var(--vg-light-header-bg, rgba(255,255,255,0.4)) 0%, transparent 100%);
}

/* Light Theme - Modal Speed Control */
.vg-theme-light .vg-modal-speed {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

/* Light Theme - Modal Count */
.vg-theme-light .vg-modal-count {
  color: var(--vg-light-text, #1a1a1a);
  text-shadow: 0 1px 2px var(--vg-light-text-shadow, rgba(255,255,255,0.8));
}

/* Light Theme - Modal Title & Description */
.vg-theme-light .vg-modal-title {
  color: #ffffff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 2px 6px rgba(0, 0, 0, 0.2);
}

.vg-theme-light .vg-modal-desc {
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Light Theme - Transform Toolbar */
.vg-theme-light .vg-transform-toolbar .vg-btn-icon-small {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
}

.vg-theme-light .vg-transform-toolbar .vg-btn-icon-small:hover {
  background: var(--vg-light-bg-overlay-hover, rgba(0, 0, 0, 0.15));
  color: var(--vg-light-icon-hover-color, #000000);
}

/* Light Theme - Small Icon Buttons */
.vg-theme-light .vg-btn-icon-small {
  color: var(--vg-light-icon-color, rgba(0, 0, 0, 0.7));
}

.vg-theme-light .vg-btn-icon-small:hover {
  color: var(--vg-light-icon-hover-color, #000000);
}

/* Light Theme - Icon buttons in modal header */
.vg-theme-light .vg-modal-header .vg-btn-icon-small {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

.vg-theme-light .vg-modal-header .vg-btn-icon-small:hover {
  background: var(--vg-light-bg-overlay-hover, rgba(0, 0, 0, 0.15));
  border-color: var(--vg-light-border-hover, rgba(0, 0, 0, 0.2));
  color: var(--vg-light-icon-hover-color, #000000);
}

/* Light Theme - Thumbnail Arrows */
.vg-theme-light .vg-thumb-arrow {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
  color: var(--vg-light-text, #1a1a1a);
}

.vg-theme-light .vg-thumb-arrow:hover {
  background: var(--vg-light-bg-overlay-hover, rgba(0, 0, 0, 0.15));
  border-color: var(--vg-light-border-hover, rgba(0, 0, 0, 0.2));
}

/* Light Theme - Thumbnail Track */
.vg-theme-light .vg-thumbnails-track {
  background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
  border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
}

/* Light Theme - Slider Track */
.vg-theme-light .vg-slider-track {
  background: var(--vg-light-border-hover, rgba(0, 0, 0, 0.2));
}

/* Light Theme - Slider Label */
.vg-theme-light .vg-slider-label {
  color: var(--vg-light-text-muted, #4a4a4a);
}

/* Responsive Design */
@media (max-width: 768px) {
  .vg-gallery-container {
    padding: 1rem;
  }

  .vg-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.75rem;
  }

  .vg-filter-buttons {
    gap: 0.5rem;
  }

  .vg-filter-btn {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
  }

  .vg-modal-header {
    top: 0;
    right: 0;
    width: 100%;
    padding: 1rem;
    gap: 0.5rem;
    flex-flow: row wrap;
    justify-content: flex-end;
    align-items: center;
    background: linear-gradient(to bottom, var(--vg-modal-header-bg, rgba(0,0,0,0.6)) 0%, transparent 100%);
  }
  
  .vg-modal-header .vg-btn-circle {
    flex-shrink: 0;
  }

  .vg-modal-count {
    top: 1rem;
    left: 1rem;
    font-size: 0.8rem;
  }

  .vg-transform-toolbar {
    top: 3rem;
    left: 1rem;
  }

  .vg-modal-speed {
    padding: 0.25rem 0.5rem;
  }

  .vg-slider-wrapper .vg-slider-label {
    display: none;
  }

  .vg-btn-circle {
    width: 2.5rem;
    height: 2.5rem;
  }

  .vg-modal-nav {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--vg-modal-nav-bg, rgba(0,0,0,0.5));
  }

  .vg-theme-light .vg-modal-nav {
    background: var(--vg-light-bg-overlay, rgba(0, 0, 0, 0.1));
    color: var(--vg-light-text, #1a1a1a);
    border: 1px solid var(--vg-light-border, rgba(0, 0, 0, 0.1));
  }
  
  .vg-theme-light .vg-modal-nav:hover {
    background: var(--vg-light-bg-overlay-hover, rgba(0, 0, 0, 0.15));
    border-color: var(--vg-light-border-hover, rgba(0, 0, 0, 0.2));
  }

  .vg-modal-prev {
    left: 0.5rem;
  }

  .vg-modal-next {
    right: 0.5rem;
  }

  .vg-modal-img-wrapper {
    flex: 1;
  }

  .vg-thumbnails-wrapper {
    margin-bottom: 1rem;
    max-width: 100%;
  }

  .vg-thumb-arrow {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .vg-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 0.5rem;
  }

  .vg-card-title {
    font-size: 1rem;
  }

  .vg-card-desc {
    font-size: 0.75rem;
  }
}

/* Loading State */
.vg-grid.vg-loading .vg-card {
  opacity: 0.7;
  pointer-events: none;
}

.vg-grid.vg-loading .vg-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.05),
    transparent
  );
  animation: shimmer 1.5s infinite;
  z-index: 1;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* Toast Notifications */
.vg-toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

[dir="rtl"] .vg-toast-container {
  right: auto;
  left: 1rem;
}

.vg-toast {
  background: var(--vg-modal-header-bg, rgba(0, 0, 0, 0.9));
  color: var(--vg-modal-text-color, #ffffff);
  padding: 0.75rem 1.25rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: auto;
  min-width: 200px;
  max-width: 400px;
  font-size: 0.875rem;
  line-height: 1.5;
}

.vg-toast.vg-toast-show {
  opacity: 1;
  transform: translateY(0);
}

.vg-toast-success {
  border-left: 3px solid #10b981;
}

.vg-toast-error {
  border-left: 3px solid #ef4444;
}

.vg-toast-info {
  border-left: 3px solid var(--vg-accent, #0005f0);
}

/* RTL Support */
[dir="rtl"] .vg-modal-prev {
  left: auto;
  right: 1rem;
}

[dir="rtl"] .vg-modal-next {
  right: auto;
  left: 1rem;
}

[dir="rtl"] .vg-modal-count {
  left: auto;
  right: 1rem;
}

[dir="rtl"] .vg-transform-toolbar {
  left: auto;
  right: 1rem;
}

[dir="rtl"] .vg-modal-header {
  flex-direction: row-reverse;
}

[dir="rtl"] .vg-thumbnails-track {
  direction: rtl;
}

[dir="rtl"] .vg-thumb-prev {
  order: 2;
}

[dir="rtl"] .vg-thumb-next {
  order: 0;
}

@media (max-width: 768px) {
  [dir="rtl"] .vg-modal-prev {
    right: 0.5rem;
  }
  
  [dir="rtl"] .vg-modal-next {
    left: 0.5rem;
  }
  
  [dir="rtl"] .vg-modal-count {
    right: 1rem;
  }
  
  [dir="rtl"] .vg-transform-toolbar {
    right: 1rem;
  }
}