.work-tabs{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}.factor-controls{display:flex;justify-content:center;gap:25px;flex-wrap:wrap}.factor-control>span{display:block;font-weight:800;margin-bottom:10px;text-align:center}.factor-control>div{display:flex;align-items:center;gap:18px}.factor-control .btn{padding:10px 16px;font-size:1.3rem;min-width:48px}.factor-control output{font-size:1.5rem;font-weight:900;min-width:30px;text-align:center}.matrix-equation{font-size:2.3rem;font-weight:900;text-align:center;margin:20px 0}.dot-array{display:grid;grid-template-columns:repeat(var(--columns),1fr);gap:6px;width:min(100%,330px);margin:20px auto;padding:15px;background:#fff1c2;border:2px solid #dab867;border-radius:18px}.dot-array span{text-align:center;color:#724323;font-size:1.1rem;line-height:1.2}.matrix-sum{text-align:center;overflow-wrap:anywhere;font-weight:700;line-height:1.6}.matrix-scroll{max-width:100%;overflow-x:auto;border:2px solid #bfd4c4;border-radius:16px;margin-top:12px;scroll-margin-top:100px}.times-table{border-collapse:collapse;width:100%;min-width:530px;text-align:center}.times-table th{font-weight:800;background:#e5eee3;padding:8px;min-width:40px;font-size:1rem}.times-table td{padding:2px;border:1px solid #dce5d8}.times-table th.axis{background:#ffdf8c;color:#503513}.matrix-cell{min-width:44px;min-height:44px;width:100%;background:#fffcf1;border-radius:8px;font-size:1rem}.matrix-cell[aria-pressed=true]{background:#185c5a;color:white;font-weight:900;outline:2px solid #113d3b}.matrix-cell:focus-visible{outline-offset:-3px}.fraction-strip{display:grid;grid-template-columns:repeat(var(--parts),1fr);gap:0;border:3px solid #466b79;border-radius:14px;overflow:hidden;margin:28px 0 20px}.fraction-part{min-width:0;min-height:110px;background:#fffdf5;border:1px solid #466b79;border-radius:0;color:#48626a;font-size:1.3rem}.fraction-part[aria-pressed=true]{background:#77c6d5;color:#113b45;font-weight:900}.fraction-part:focus-visible{outline-offset:-5px}.fraction-count{font-size:1.6rem!important;text-align:center;font-weight:800}.route-board{display:grid;grid-template-columns:repeat(5,1fr);gap:5px;max-width:360px;margin:18px auto;background:#d7e6d8;padding:9px;border-radius:18px}.route-square{aspect-ratio:1;display:grid;place-items:center;border:1px solid #b3c6ad;background:#fffdf4;border-radius:10px;font-size:1.7rem;color:#956921}.route-square img{width:100%;height:100%;object-fit:contain;max-height:65px}.route-square.blocked{background:#52696b;color:white}.route-square.visited{background:#dcedb7;color:#375624}.arrow-controls{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.direction-button{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:68px;min-height:74px;border:2px solid #bca7d0;border-radius:16px;background:#eadef8;box-shadow:0 4px 0 #a78dbe;font-size:1.7rem}.direction-button small{font-size:.875rem;padding-top:5px}.direction-button:disabled{opacity:.5;box-shadow:none}.command-strip{display:flex;gap:7px;flex-wrap:wrap;min-height:75px;background:#f0f3e9;border-radius:16px;padding:12px;margin-top:22px}.command-strip>span{font-size:1.5rem;display:flex;flex-direction:column;align-items:center;min-width:34px;border-radius:6px}.command-strip small{font-size:.75rem;color:#506155}.blocked-command{background:#ffdab0}.route-description{margin:20px 0 0}.route-description summary{cursor:pointer;font-size:.875rem;line-height:1.5;min-height:44px}.route-description p{font-size:.875rem;line-height:1.6}.inline-print{display:inline-block;text-decoration:underline;font-weight:800;min-height:44px;padding-top:12px}.print-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.print-card{padding:24px;border:2px solid #c3d5bf;background:#fffdf6;border-radius:26px;box-shadow:0 5px 0 #bdceb6}.print-age{display:inline-block;background:#e1f0d5;padding:7px 13px;border-radius:12px;font-weight:800;margin-bottom:16px}.print-card h2{font-size:1.6rem;line-height:1.25;margin-bottom:12px}.print-card p{font-size:1rem;margin-bottom:16px}.print-meta{font-size:.875rem!important;color:#52695b}.print-actions{display:flex;flex-direction:column;gap:16px}.print-banner{margin-top:26px;border-radius:24px;padding:22px;background:#fff0c3;border:2px solid #d3b66c;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:1.2rem;font-weight:800;box-shadow:0 4px 0 #d3b66c}.header .nav-link{padding:11px 12px}@media(max-width:1000px){.print-grid{grid-template-columns:1fr}.print-actions{flex-direction:row;flex-wrap:wrap}.header .nav-link{padding:11px 9px}}@media(max-width:700px){.header{flex-wrap:wrap}.header nav{order:3;width:100%;justify-content:center}.header-actions{margin-left:auto}}@media(max-width:620px){.header nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.header .nav-link{font-size:.875rem;padding:9px 5px}.factor-controls{gap:14px}.factor-control>div{gap:10px}.factor-control .btn{padding:9px 12px;min-width:44px}.matrix-equation{font-size:1.9rem}.dot-array{gap:3px;padding:10px}.dot-array span{font-size:1rem}.fraction-part{min-height:95px;font-size:1rem}.direction-button{min-width:54px;min-height:70px}.arrow-controls{gap:8px}.direction-button small{font-size:.75rem}.workshop-body .lab-guide p{font-size:1rem}.print-card{padding:21px}.print-actions{flex-direction:column}.print-banner{font-size:1.1rem}.route-square{font-size:1.3rem}}