/* ============================================
   Lightbox Styles - Dark Portal Viewer
   ============================================ */

.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(3, 3, 5, 0.98);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

/* Ambient glow behind image */
.lightbox::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
  background: radial-gradient(ellipse, rgba(123, 44, 191, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-image {
  max-width: 100%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow:
    0 0 60px rgba(0, 0, 0, 0.8),
    0 0 100px rgba(123, 44, 191, 0.2);
  -webkit-user-drag: none;
  user-select: none;
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.4s ease;
}

.lightbox-image.loaded {
  opacity: 1;
  transform: scale(1);
}

/* Loading spinner */
.lightbox-loader {
  position: absolute;
  width: 50px;
  height: 50px;
  border: 2px solid rgba(123, 44, 191, 0.2);
  border-top-color: var(--color-purple-glow);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Close button */
.lightbox-close {
  position: absolute;
  top: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 50px;
  height: 50px;
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid rgba(123, 44, 191, 0.4);
  border-radius: 50%;
  color: var(--color-text);
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.lightbox-close:hover {
  background: var(--color-purple-primary);
  border-color: var(--color-purple-bright);
  box-shadow: var(--glow-purple);
  transform: rotate(90deg);
}

/* Navigation arrows */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 55px;
  height: 55px;
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid rgba(123, 44, 191, 0.4);
  border-radius: 50%;
  color: var(--color-text);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 10;
}

.lightbox-nav:hover {
  background: var(--color-purple-primary);
  border-color: var(--color-purple-bright);
  box-shadow: var(--glow-purple);
}

.lightbox-prev {
  left: var(--spacing-xl);
}

.lightbox-prev:hover {
  transform: translateY(-50%) translateX(-3px);
}

.lightbox-next {
  right: var(--spacing-xl);
}

.lightbox-next:hover {
  transform: translateY(-50%) translateX(3px);
}

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

.lightbox-nav:disabled:hover {
  background: rgba(10, 10, 15, 0.8);
  border-color: rgba(123, 44, 191, 0.4);
  box-shadow: none;
  transform: translateY(-50%);
}

/* Counter */
.lightbox-counter {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 10, 15, 0.8);
  border: 1px solid rgba(123, 44, 191, 0.3);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 20px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  color: var(--color-text-dim);
  z-index: 10;
}

.lightbox-counter .current {
  color: var(--color-purple-glow);
}

/* Mobile adjustments */
@media (max-width: 767px) {
  .lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 44px;
    height: 44px;
  }

  .lightbox-nav {
    width: 48px;
    height: 48px;
  }

  .lightbox-prev {
    left: var(--spacing-sm);
  }

  .lightbox-next {
    right: var(--spacing-sm);
  }
}

/* Swipe indicator (mobile) */
.lightbox-swipe-hint {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-dim);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: italic;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.lightbox.show-hint .lightbox-swipe-hint {
  opacity: 1;
}