.custom-tab-nav{display:flex;flex-wrap:nowrap;overflow-x:auto;gap:0.5rem;margin-bottom:1rem;background:transparent;border-bottom:1px solid #e9ecef;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.custom-tab-nav::-webkit-scrollbar{height:3px}.custom-tab-nav::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.custom-tab-nav::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.custom-tab-btn{flex-shrink:0;padding:0.5rem 0rem;font-size:0.9rem;font-weight:500;color:#4b5563;background:transparent;border:none;border-radius:0;cursor:pointer;transition:all 0.2s ease;white-space:nowrap;letter-spacing:0.3px}.custom-tab-btn.active{color:#2563eb;background:transparent;font-weight:600;border-bottom:2px solid #2563eb;border-radius:0}.custom-tab-btn:not(.active):hover{color:#1e293b;background:#f8fafc;transform:translateY(-1px)}.custom-tab-btn:active{transform:scale(0.97)}.custom-tab-btn:focus-visible{outline:none;border-radius:0}.custom-tab-pane{display:none}.custom-tab-pane.active{display:block}@media (min-width:768px){.custom-tab-nav{gap:0.75rem;padding:0.5rem 1rem}.custom-tab-btn{padding:0.6rem 1.25rem;font-size:0.95rem}}.engine-group{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:0.75rem}.rule-row{margin-bottom:0.75rem}