/* ===== WALLPAPER DETAIL PAGE ===== */
.wallpaper-detail {
  margin-top: var(--nav-height);
  padding: var(--space-8) 0 var(--space-16);
}

.wallpaper-detail__grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-10);
  align-items: start;
  max-width: 960px;
  margin: 0 auto;
}

/* Preview */
.wallpaper-preview {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-dark-bg);
  cursor: zoom-in;
  width: 340px;
  aspect-ratio: 9 / 16;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0,0,0,0.05);
}

.wallpaper-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wallpaper-preview__badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
}

/* Info Panel */
.wallpaper-info {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
}

.wallpaper-info__category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.wallpaper-info__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
  line-height: var(--leading-tight);
}

.wallpaper-info__desc {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.wallpaper-info__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.meta-item__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.meta-item__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

/* Tags */
.wallpaper-info__tags {
  margin-bottom: var(--space-6);
}

.wallpaper-info__tags-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

/* Download section */
.wallpaper-info__download {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.download-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-5);
  background: linear-gradient(135deg, var(--color-accent) 0%, #E8B960 100%);
  color: var(--color-dark-bg);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212, 168, 83, 0.35);
}

.download-btn:active {
  transform: translateY(0);
}

.download-btn svg {
  width: 22px;
  height: 22px;
}

/* Related wallpapers */
.related-section {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border-light);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: var(--z-modal);
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
}

.lightbox__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full);
  color: white;
  font-size: var(--text-xl);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lightbox__close:hover {
  background: rgba(255,255,255,0.2);
}

@media (max-width: 1024px) {
  .wallpaper-detail__grid {
    grid-template-columns: 1fr;
    justify-items: center;
  }

  .wallpaper-preview {
    width: 100%;
    max-width: 360px;
  }

  .wallpaper-info {
    position: static;
    width: 100%;
    max-width: 480px;
  }

  .related-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .wallpaper-info__meta {
    grid-template-columns: 1fr;
  }
}