.community-container{display:flex;margin-top:80px;min-height:calc(100vh - 120px);position:relative}.community-sidebar{width:220px;flex-shrink:0;position:fixed;left:0;top:80px;height:calc(100vh - 80px);overflow-y:auto;background:#fff;border-right:1px solid #e5e7eb;padding:24px 0;box-shadow:2px 0 8px rgba(0,0,0,.03);z-index:100}.community-sidebar h3{font-size:16px;font-weight:700;color:#1f2937;margin:0 20px 16px;letter-spacing:0;padding:0;border:none}.category-nav{list-style:none;padding:0;margin:0 0 8px}.category-nav-featured{padding-bottom:16px;border-bottom:1px solid #f3f4f6;margin-bottom:24px}.category-item{padding:12px 20px;margin:0;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:10px;color:#1f2937;font-size:14px;font-weight:400;position:relative;border-left:3px solid transparent}.category-item i{width:18px;text-align:center;font-size:14px;color:#6b7280}.category-item span{flex:1}.category-item::after{content:'\f054';font-family:'Font Awesome 6 Free';font-weight:900;font-size:11px;color:#d1d5db;opacity:0;transition:opacity .2s}.category-item:hover{background:#f9fafb;color:#1f2937}.category-item:hover::after{opacity:1;color:#9ca3af}.category-item:hover i{color:#3b82f6}.category-item.active{background:#3b82f6;color:#fff;font-weight:500;border-left-color:#2563eb}.category-item.active i{color:#fff}.category-item.active::after{opacity:1;color:#fff}.popular-tags{padding:0 20px;display:flex;flex-wrap:wrap;gap:8px}.popular-tag{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;background:#f3f4f6;color:#4b5563;border-radius:16px;font-size:12px;font-weight:500;cursor:pointer;transition:.2s;border:1px solid transparent}.popular-tag:hover{background:#e5e7eb;color:#1f2937;border-color:#d1d5db}.popular-tag.active{background:#dbeafe;color:#2563eb;border-color:#93c5fd;font-weight:600}.popular-tag-count{font-size:11px;color:#9ca3af;font-weight:400}.popular-tag.active .popular-tag-count{color:#60a5fa}.category-skeleton{height:44px;background:linear-gradient(90deg,#f9fafb 25%,#f3f4f6 50%,#f9fafb 75%);background-size:200% 100%;animation:1.5s infinite loading;border-radius:0;margin:0 0 1px}.tags-skeleton{height:80px;background:linear-gradient(90deg,#f9fafb 25%,#f3f4f6 50%,#f9fafb 75%);background-size:200% 100%;animation:1.5s infinite loading;border-radius:8px}@keyframes loading{0%{background-position:200% 0}100%{background-position:-200% 0}}.community-main{flex:1;min-width:0;margin-left:260px;max-width:1400px;margin-right:auto;padding:0 40px 40px 60px}.filter-tabs{display:flex;gap:8px;margin-bottom:24px;padding:16px;background:#fff;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.05)}.filter-tab{padding:8px 16px;border:1px solid #e5e7eb;background:#fff;border-radius:6px;cursor:pointer;transition:.2s;display:flex;align-items:center;gap:6px;color:#6b7280;font-size:13px;font-weight:500;position:relative}.filter-tab i{font-size:13px}.filter-tab:hover{background:#f9fafb;color:#374151;border-color:#d1d5db}.filter-tab.active{background:#3b82f6;color:#fff;border-color:#3b82f6;font-weight:600;box-shadow:0 2px 6px rgba(59,130,246,.3)}.filter-tab.active i{color:#fff}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-bottom:32px}.project-card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);transition:.25s;cursor:pointer;position:relative;border:1px solid #f3f4f6;content-visibility:auto;contain-intrinsic-size:280px 400px}.project-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.1),0 2px 4px rgba(0,0,0,.06);border-color:#e5e7eb}.card-thumbnail{position:relative;width:100%;height:180px;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center}.card-thumbnail img{width:100%;height:100%;object-fit:contain;object-position:center;transition:transform .3s}.card-thumbnail .placeholder{color:#9ca3af;font-size:14px}.project-card:hover .card-thumbnail img{transform:scale(1.05)}.card-badges{position:absolute;top:12px;left:12px;display:flex;gap:8px;z-index:2}.badge{padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;color:#fff;backdrop-filter:blur(10px);box-shadow:0 2px 8px rgba(0,0,0,.2)}.badge-featured{background:linear-gradient(135deg,#f59e0b 0,#d97706 100%)}.badge-difficulty{background:rgba(0,0,0,.6)}.badge-difficulty.beginner{background:linear-gradient(135deg,#10b981 0,#059669 100%)}.badge-difficulty.intermediate{background:linear-gradient(135deg,#f59e0b 0,#d97706 100%)}.badge-difficulty.advanced{background:linear-gradient(135deg,#ef4444 0,#dc2626 100%)}.card-content{padding:14px}.card-title{font-size:15px;font-weight:600;color:#1f2937;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.card-description{font-size:13px;color:#6b7280;margin-bottom:10px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.5;height:39px}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:8px}.card-author{font-size:12px;color:#9ca3af;display:flex;align-items:center;gap:4px;flex-shrink:0}.card-author i{font-size:11px}.card-meta{display:flex;gap:12px;font-size:12px;color:#9ca3af;flex-wrap:wrap;justify-content:flex-end}.card-meta span{display:flex;align-items:center;gap:3px}.card-meta i{font-size:11px;color:#d1d5db}.card-tags{display:flex;gap:6px;flex-wrap:wrap}.tag{padding:3px 8px;background:#f3f4f6;color:#6b7280;border-radius:4px;font-size:11px;font-weight:500;transition:.2s}.tag:hover{background:#e5e7eb;color:#374151}.project-card-skeleton{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.08)}.project-card-skeleton::before{content:'';display:block;padding-top:66.67%;background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:1.5s infinite loading}.empty-state{grid-column:1/-1;text-align:center;padding:80px 20px;color:#9ca3af}.empty-state i{font-size:64px;margin-bottom:16px;opacity:.5}.empty-state p{font-size:16px;margin-bottom:24px}.empty-state .btn-primary{display:inline-block;padding:12px 24px;background:linear-gradient(135deg,#667eea 0,#764ba2 100%);color:#fff;text-decoration:none;border-radius:8px;font-weight:500;transition:transform .2s}.empty-state .btn-primary:hover{transform:translateY(-2px)}.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:32px;padding:20px 0}.pagination button{padding:8px 16px;border:1px solid #e5e7eb;background:#fff;border-radius:8px;cursor:pointer;transition:.2s;font-size:14px;color:#374151;min-width:40px}.pagination button:hover:not(:disabled){background:#f3f4f6;border-color:#667eea;color:#667eea}.pagination button.active{background:#3b82f6;color:#fff;border-color:#3b82f6;font-weight:600}.pagination button:disabled{opacity:.4;cursor:not-allowed}.pagination span{color:#9ca3af;font-size:14px}@media (max-width:1200px){.projects-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}}@media (max-width:1024px){.community-sidebar{width:200px}.community-main{margin-left:200px}}@media (max-width:768px){.community-container{flex-direction:column;margin-top:60px}.community-sidebar{width:100%;position:static;height:auto;max-height:none;border-right:none;border-bottom:1px solid #f3f4f6;box-shadow:0 2px 8px rgba(0,0,0,.05)}.community-main{margin-left:0;padding:0 16px 40px}.filter-tabs{overflow-x:auto;padding-bottom:8px;gap:8px}.filter-tab{white-space:nowrap;padding:8px 16px}.projects-grid{grid-template-columns:1fr;gap:16px}.pagination{flex-wrap:wrap;gap:6px}.pagination button{padding:6px 12px;min-width:36px;font-size:13px}}@media (max-width:480px){.card-meta{font-size:12px;gap:12px}.card-tags{display:none}}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.community-sidebar::-webkit-scrollbar{width:6px}.community-sidebar::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.community-sidebar::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.community-sidebar::-webkit-scrollbar-thumb:hover{background:#a1a1a1}