/* ===== Category Tabs ===== */
.category-tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.cat-btn { padding: 8px 22px; border-radius: 20px; border: 1px solid var(--border); background: #fff; color: var(--text-light); font-size: .9rem; cursor: pointer; transition: all var(--transition); }
.cat-btn:hover { border-color: var(--primary); color: var(--primary); }
.cat-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Detail Page ===== */
.detail-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.detail-main img { width: 100%; border-radius: var(--radius-lg); margin-bottom: 32px; }
.detail-main h1 { font-size: 1.9rem; font-weight: 700; margin-bottom: 12px; }
.detail-meta { display: flex; gap: 16px; margin-bottom: 24px; font-size: .9rem; color: var(--text-muted); flex-wrap: wrap; }
.detail-content { line-height: 1.9; color: #444; }
.detail-content img { max-width: 100%; border-radius: var(--radius); margin: 16px 0; }
.detail-content p { margin-bottom: 16px; }
.detail-content h2, .detail-content h3 { margin: 24px 0 12px; font-weight: 600; }

.detail-sidebar .sidebar-card { background: #fff; border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); margin-bottom: 24px; }
.detail-sidebar h3 { font-size: 1rem; font-weight: 600; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.related-item { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--bg-light); text-decoration: none; color: var(--text); transition: color var(--transition); }
.related-item:last-child { border-bottom: none; }
.related-item:hover { color: var(--primary); }
.related-item img { width: 64px; height: 48px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
.related-item-info { flex: 1; }
.related-item-info p { font-size: .88rem; line-height: 1.4; }
.related-item-info span { font-size: .78rem; color: var(--text-muted); }

@media (max-width: 1024px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { order: -1; }
}