/* ============================================
   SINGLE COLORING PAGE
   ============================================ */

.single-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
}

.single-main-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.single-image-wrap {
  background: #f9f9f7;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border);
}

.single-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

.single-meta {
  padding: 22px 24px 26px;
}

.single-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  line-height: 1.25;
}

.single-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.download-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 800;
  padding: 14px 24px;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform 0.12s ease, box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(232,96,60,0.3);
}

.download-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(232,96,60,0.4);
}

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

.single-file-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 0.78rem;
  color: var(--text-faint);
}

/* Sidebar */
.single-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.sidebar-heading {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
}

.sidebar-ad {
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  text-align: center;
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}

.related-item {
  background: var(--bg-card);
  aspect-ratio: 1 / 1.414;
  overflow: hidden;
  position: relative;
  display: block;
}

.related-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease;
}

.related-item:hover img { transform: scale(1.05); }

/* More section */
.single-more-section {
  margin-top: 12px;
}

/* Responsive */
@media (max-width: 900px) {
  .single-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .single-image-wrap { padding: 14px; }
  .single-meta { padding: 16px; }
  .single-title { font-size: 1.3rem; }
}

/* Sidebar category list */
.sidebar-cat-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-cat-item {
  border-bottom: 1px solid var(--border);
}

.sidebar-cat-item:last-child {
  border-bottom: none;
}

.sidebar-cat-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  text-decoration: none;
  transition: background var(--transition);
}

.sidebar-cat-link:hover {
  background: var(--bg-secondary);
}

.sidebar-cat-link img {
  width: 48px;
  height: 68px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.sidebar-cat-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sidebar-cat-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.sidebar-cat-count {
  font-size: 0.75rem;
  color: var(--text-faint);
}