/* Modal Base */
.image-viewer.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}
.image-viewer.modal.active {
  opacity: 1;
  visibility: visible;
}
/* Backdrop */
.image-viewer__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(4px);
  transition: all var(--transition-normal);
}
/* Content Container */
.image-viewer__content {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal);
}
.image-viewer__content--visible {
  opacity: 1;
  transform: translateY(0);
}
/* Header */
.image-viewer__header {
  padding: var(--spacing-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-inverse);
}
.image-viewer__title {
  font-size: var(--font-size-xl);
  font-weight: 500;
  color: var(--color-text-inverse);
}
/* Main Image Container */
.image-viewer__main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
}
.image-viewer__image-container {
  position: relative;
  max-width: 90%;
  max-height: 80vh;
  background: var(--color-bg-tertiary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}
.image-viewer__image {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  opacity: 0;
  transform: scale(0.95);
  transition:
    opacity var(--transition-normal),
    transform var(--transition-normal);
  will-change: transform, opacity;
}
.image-viewer__image.loaded {
  opacity: 1;
  transform: scale(1);
}
/* Navigation Buttons */
.image-viewer__nav {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.image-viewer__nav:not(:disabled):hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}
.image-viewer__nav:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
/* Actions */
.image-viewer__actions {
  padding: var(--spacing-4);
  display: flex;
  justify-content: center;
  gap: var(--spacing-2);
}
.image-viewer__action {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.image-viewer__action:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}
/* Info Section */
.image-viewer__info {
  padding: 0 var(--spacing-4);
  color: var(--color-text-inverse);
}
.image-viewer__info-title {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--spacing-2);
}
.image-viewer__info-meta {
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  opacity: 0.8;
}
/* Tags */
.image-viewer__tags {
  padding: var(--spacing-4);
  text-align: center;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  justify-content: center;
}
.image-viewer__tag {
  padding: var(--spacing-1) var(--spacing-2);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-full);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
}
.image-viewer__tag:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}
/* Close Button */
.image-viewer__close {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.image-viewer__close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}
/* Dark Mode */
[data-theme="dark"] {
  .image-viewer__backdrop {
    background: rgba(0, 0, 0, 0.95);
  }
  .image-viewer__image-container {
    background: var(--color-bg-tertiary);
  }
  .image-viewer__tag {
    background: rgba(255, 255, 255, 0.15);
  }
  .image-viewer__tag:hover {
    background: rgba(255, 255, 255, 0.25);
  }
}
/* Responsive Design */
@media (max-width: 768px) {
  .image-viewer__nav {
    width: 40px;
    height: 40px;
  }
  .image-viewer__action {
    width: 36px;
    height: 36px;
  }
  .image-viewer__image-container {
    max-width: 95%;
  }
  .image-viewer__header {
    padding: var(--spacing-3);
  }
  .image-viewer__info {
    padding: var(--spacing-3);
  }
}
/* Accessibility */
.image-viewer__nav:focus-visible,
.image-viewer__action:focus-visible,
.image-viewer__close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}