:root{--article-primary:#193c76;--article-secondary:#2c5aa0;--article-accent:#4a90e2;--article-text:#2d3748;--article-text-light:#718096;--article-border:#e2e8f0;--article-bg-light:#f7fafc;--article-white:#ffffff;--article-shadow:0 1px 3px rgba(0,0,0,0.1);--article-shadow-lg:0 10px 25px rgba(0,0,0,0.1)}.articles-container{padding:40px 0;min-height:60vh}.main-content{padding-top:20px;padding-bottom:60px}.breadcrumb{background:transparent;padding:1rem 0;margin-bottom:1.5rem}.breadcrumb-item a{color:var(--article-primary);text-decoration:none;transition:color 0.3s ease}.breadcrumb-item a:hover{color:var(--article-secondary)}.breadcrumb-item.active{color:var(--article-text-light)}.articles-sidebar{position:sticky;top:100px}.sidebar-widget,.sidebar-card{background:var(--article-white);border-radius:12px;padding:24px;margin-bottom:24px;box-shadow:var(--article-shadow);transition:box-shadow 0.3s ease}.sidebar-widget:hover,.sidebar-card:hover{box-shadow:var(--article-shadow-lg)}.sidebar-widget-title,.sidebar-title{font-size:1.1rem;font-weight:700;color:var(--article-text);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--article-primary);display:flex;align-items:center;gap:8px}.sidebar-widget-title i,.sidebar-title i{color:var(--article-primary)}.category-list{display:flex;flex-direction:column;gap:10px}.category-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--article-bg-light);border-radius:8px;text-decoration:none;color:var(--article-text);transition:all 0.3s cubic-bezier(0.4,0,0.2,1);border:1px solid transparent}.category-item:hover{background:var(--article-primary);color:var(--article-white);transform:translateX(5px);border-color:var(--article-primary);box-shadow:0 4px 8px rgba(25,60,118,0.2)}.category-item.active{background:var(--article-primary);color:var(--article-white);border-color:var(--article-primary);box-shadow:0 4px 8px rgba(25,60,118,0.2)}.category-name{font-weight:500}.category-count{background:var(--article-white);color:var(--article-primary);padding:4px 10px;border-radius:20px;font-size:0.8rem;font-weight:600;min-width:32px;text-align:center}.category-item:hover .category-count,.category-item.active .category-count{background:var(--article-white);color:var(--article-primary)}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-item{display:inline-flex;align-items:center;padding:8px 16px;background:var(--article-bg-light);border-radius:20px;text-decoration:none;color:var(--article-text);font-size:0.9rem;white-space:nowrap;transition:all 0.3s ease;border:1px solid transparent}.tag-item:hover{background:var(--article-primary);color:var(--article-white);border-color:var(--article-primary);transform:translateY(-2px);box-shadow:0 4px 8px rgba(25,60,118,0.15)}.featured-list{display:flex;flex-direction:column;gap:12px}.featured-item,.featured-article-item{display:flex;gap:12px;padding:12px;background:var(--article-bg-light);border-radius:8px;text-decoration:none;color:var(--article-text);transition:all 0.3s cubic-bezier(0.4,0,0.2,1);border:1px solid transparent}.featured-item:hover,.featured-article-item:hover{background:var(--article-primary);color:var(--article-white);border-color:var(--article-primary);transform:translateY(-2px);box-shadow:0 6px 12px rgba(25,60,118,0.2)}.featured-thumb,.featured-article-image{width:80px;height:60px;border-radius:8px;object-fit:cover;flex-shrink:0;transition:transform 0.3s ease}.featured-item:hover .featured-thumb,.featured-article-item:hover .featured-article-image{transform:scale(1.05)}.featured-info,.featured-article-info{flex:1;display:flex;flex-direction:column;justify-content:center}.featured-title,.featured-article-title{font-size:0.9rem;font-weight:600;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.featured-meta,.featured-article-date{font-size:0.8rem;opacity:0.8;display:flex;gap:12px}.featured-meta span{display:flex;align-items:center;gap:4px}.empty-state,.no-results{text-align:center;padding:60px 20px;background:var(--article-bg-light);border-radius:12px;border:2px dashed var(--article-border)}.empty-state i,.no-results-icon{font-size:4rem;color:var(--article-border);margin-bottom:20px}.empty-state h4,.no-results-title{font-size:1.5rem;font-weight:600;color:var(--article-text);margin-bottom:10px}.empty-state p,.no-results-text{color:var(--article-text-light);margin-bottom:0}.loading-spinner{display:flex;justify-content:center;align-items:center;padding:40px}.spinner-border{width:3rem;height:3rem;border-width:0.3rem;color:var(--article-primary)}@media (max-width:992px){.articles-sidebar{position:static;margin-top:40px}.sidebar-widget,.sidebar-card{margin-bottom:20px}}@media (max-width:768px){.main-content{padding-top:15px;padding-bottom:40px}.sidebar-widget,.sidebar-card{padding:20px;margin-bottom:16px}.featured-thumb,.featured-article-image{width:60px;height:60px}.featured-title,.featured-article-title{font-size:0.85rem}.category-item{padding:10px 12px}.category-name{font-size:0.9rem}.empty-state,.no-results{padding:40px 15px}.empty-state i,.no-results-icon{font-size:3rem}.empty-state h4,.no-results-title{font-size:1.25rem}}@media (max-width:480px){.sidebar-widget-title,.sidebar-title{font-size:1rem}.featured-meta,.featured-article-date{font-size:0.75rem;gap:8px}.category-item{padding:8px 10px}.tag-item{padding:6px 12px;font-size:0.85rem}}.text-truncate-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.text-truncate-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}html{scroll-behavior:smooth}.category-item:focus,.tag-item:focus,.featured-item:focus{outline:2px solid var(--article-accent);outline-offset:2px}@media print{.sidebar-widget,.sidebar-card,.pagination,.breadcrumb{display:none}}