.rt-t2{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:#1a2036;--bg-card-hover:#1f2847;--border:rgba(99,130,255,.12);--border-active:rgba(99,130,255,.35);--text-primary:#e8ecf4;--text-secondary:#8892a8;--text-muted:#5a6478;--accent-blue:#4f7cff;--accent-blue-glow:rgba(79,124,255,.25);--accent-cyan:#22d3ee;--accent-green:#34d399;--accent-amber:#fbbf24;--accent-red:#f87171;--accent-purple:#a78bfa;--radius:12px;--radius-sm:8px;margin:-1.5rem;padding:28px 32px;background:var(--bg-primary);color:var(--text-primary);min-height:calc(100vh - 4rem);font-family:Noto Sans KR,Plus Jakarta Sans,sans-serif}.rt-t2 .page-header{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.rt-t2 .page-eyebrow{font-size:11px;color:var(--accent-cyan);letter-spacing:.15em;text-transform:uppercase;font-weight:700;margin-bottom:6px}.rt-t2 .page-title{font-size:24px;font-weight:700;margin:0 0 8px}.rt-t2 .page-subtitle{font-size:13px;color:var(--text-secondary);margin:0}.rt-t2 .tab-bar{display:flex;gap:4px;margin-bottom:24px;background:var(--bg-secondary);border-radius:var(--radius);padding:4px;border:1px solid var(--border);width:fit-content}.rt-t2 .tab{padding:10px 22px;border-radius:var(--radius-sm);font-size:13.5px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .25s;display:flex;align-items:center;gap:8px;border:none;background:none;font-family:inherit}.rt-t2 .tab:hover{color:var(--text-primary)}.rt-t2 .tab.active{background:var(--accent-blue);color:#fff;box-shadow:0 2px 12px var(--accent-blue-glow)}.rt-t2 .panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;margin-bottom:18px}.rt-t2 .panel-title{font-size:14px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}.rt-t2 .panel-title .hint{font-size:11.5px;color:var(--text-muted);font-weight:400;margin-left:auto}.rt-t2 .objective-card{background:linear-gradient(135deg,rgba(79,124,255,.08),rgba(167,139,250,.04));border:1px solid var(--border-active);border-radius:var(--radius);padding:22px 24px}.rt-t2 .objective-eq{font-family:Fira Code,JetBrains Mono,ui-monospace,monospace;font-size:14.5px;color:var(--text-primary);padding:16px;background:rgba(0,0,0,.25);border-radius:var(--radius-sm);margin-bottom:14px;line-height:1.9}.rt-t2 .obj-row{display:block;margin:4px 0}.rt-t2 .obj-label{display:inline-block;min-width:130px;color:var(--text-muted);font-size:11.5px;font-family:Noto Sans KR,sans-serif}.rt-t2 .obj-sign{font-weight:700;margin:0 6px}.rt-t2 .obj-sign.plus{color:var(--accent-green)}.rt-t2 .obj-sign.minus{color:var(--accent-red)}.rt-t2 .obj-term.score{color:var(--accent-blue);font-weight:700}.rt-t2 .obj-term.move{color:var(--accent-amber);font-weight:700}.rt-t2 .obj-term.balance{color:var(--accent-cyan);font-weight:700}.rt-t2 .obj-term.load{color:var(--accent-green);font-weight:700}.rt-t2 .var-decl{font-size:12px;color:var(--text-secondary);font-family:Fira Code,JetBrains Mono,ui-monospace,monospace;padding:8px 12px;background:rgba(0,0,0,.2);border-left:3px solid var(--accent-purple);border-radius:4px;margin-bottom:14px}.rt-t2 .obj-legend{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px}.rt-t2 .obj-legend-item{padding:10px 12px;background:rgba(0,0,0,.2);border-radius:6px;font-size:12px;color:var(--text-secondary);line-height:1.55}.rt-t2 .obj-legend-item .pill{display:inline-block;padding:1px 8px;border-radius:4px;font-family:Fira Code,ui-monospace,monospace;font-size:11px;margin-right:6px;font-weight:700}.rt-t2 .pill.score{background:rgba(79,124,255,.15);color:var(--accent-blue)}.rt-t2 .pill.move{background:rgba(251,191,36,.15);color:var(--accent-amber)}.rt-t2 .pill.balance{background:rgba(34,211,238,.15);color:var(--accent-cyan)}.rt-t2 .pill.load{background:rgba(52,211,153,.15);color:var(--accent-green)}.rt-t2 .cstr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin-top:12px}.rt-t2 .cstr-card{background:var(--bg-card);border:1px solid var(--border);border-left:3px solid var(--accent-red);border-radius:var(--radius-sm);padding:14px 16px}.rt-t2 .cstr-card.blue{border-left-color:var(--accent-blue)}.rt-t2 .cstr-card.amber{border-left-color:var(--accent-amber)}.rt-t2 .cstr-card.cyan{border-left-color:var(--accent-cyan)}.rt-t2 .cstr-card h4{font-size:12.5px;margin:0 0 8px;color:var(--text-primary);display:flex;align-items:center;gap:6px}.rt-t2 .cstr-card code{display:block;font-family:Fira Code,ui-monospace,monospace;font-size:11.5px;color:var(--accent-cyan);background:rgba(0,0,0,.25);padding:6px 10px;border-radius:4px;margin-bottom:6px}.rt-t2 .cstr-card p{font-size:11.5px;color:var(--text-secondary);margin:0;line-height:1.55}.rt-t2 .metric-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:12px}.rt-t2 .metric-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;position:relative;overflow:hidden}.rt-t2 .metric-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-blue),var(--accent-cyan))}.rt-t2 .metric-card.green:before{background:linear-gradient(90deg,var(--accent-green),#6ee7b7)}.rt-t2 .metric-card.amber:before{background:linear-gradient(90deg,var(--accent-amber),#fde68a)}.rt-t2 .metric-card.purple:before{background:linear-gradient(90deg,var(--accent-purple),#c4b5fd)}.rt-t2 .metric-label{font-size:11.5px;color:var(--text-muted);font-weight:600;letter-spacing:.04em;margin-bottom:6px;font-family:Fira Code,ui-monospace,monospace}.rt-t2 .metric-target{font-size:20px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.rt-t2 .metric-desc{font-size:11.5px;color:var(--text-secondary);line-height:1.55}.rt-t2 .test-result{background:linear-gradient(135deg,rgba(251,191,36,.1),rgba(251,191,36,.02));border:1px solid rgba(251,191,36,.3);border-radius:var(--radius-sm);padding:18px 20px;margin-top:14px}.rt-t2 .test-result-title{font-size:13px;font-weight:600;color:var(--accent-amber);margin-bottom:10px;display:flex;align-items:center;gap:8px}.rt-t2 .test-result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px;margin-bottom:10px}.rt-t2 .test-cell{padding:8px 12px;background:rgba(0,0,0,.25);border-radius:6px}.rt-t2 .test-cell-label{font-size:10.5px;color:var(--text-muted);margin-bottom:4px;font-family:Fira Code,ui-monospace,monospace}.rt-t2 .test-cell-value{font-size:18px;font-weight:700;font-family:Fira Code,ui-monospace,monospace}.rt-t2 .test-cell-value.miss{color:var(--accent-amber)}.rt-t2 .test-cell-value.target{color:var(--text-secondary);font-size:13px}.rt-t2 .test-result-note{font-size:11.5px;color:var(--text-secondary);line-height:1.6}.rt-t2 .sim-grid{display:grid;grid-template-columns:380px 1fr;gap:18px}@media (max-width:1100px){.rt-t2 .sim-grid{grid-template-columns:1fr}}.rt-t2 .slider-row{margin-bottom:16px}.rt-t2 .slider-row-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.rt-t2 .slider-label{font-size:12.5px;color:var(--text-secondary);font-weight:500}.rt-t2 .slider-label code{font-size:12px}.rt-t2 .slider-label code,.rt-t2 .slider-value{color:var(--accent-cyan);font-family:Fira Code,ui-monospace,monospace}.rt-t2 .slider-value{font-size:14px;font-weight:700;min-width:48px;text-align:right}.rt-t2 .slider{width:100%;height:6px;border-radius:999px;outline:none;appearance:none;-webkit-appearance:none;cursor:pointer}.rt-t2 .slider.blue{background:linear-gradient(90deg,rgba(79,124,255,.3),var(--accent-blue))}.rt-t2 .slider.amber{background:linear-gradient(90deg,rgba(251,191,36,.3),var(--accent-amber))}.rt-t2 .slider.cyan{background:linear-gradient(90deg,rgba(34,211,238,.3),var(--accent-cyan))}.rt-t2 .slider.green{background:linear-gradient(90deg,rgba(52,211,153,.3),var(--accent-green))}.rt-t2 .slider::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--accent-blue);cursor:pointer}.rt-t2 .slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:#fff;border:3px solid var(--accent-blue);cursor:pointer}.rt-t2 .slider-help{font-size:11px;color:var(--text-muted);margin-top:4px;line-height:1.5}.rt-t2 .scenario-btns{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.rt-t2 .scenario-btn{padding:6px 12px;border-radius:6px;font-size:11.5px;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;font-family:inherit;transition:all .2s}.rt-t2 .scenario-btn:hover{border-color:var(--accent-blue);color:var(--text-primary)}.rt-t2 .obj-breakdown{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;margin-bottom:18px}.rt-t2 .obj-value-big{font-size:32px;font-weight:700;font-family:Fira Code,ui-monospace,monospace;color:var(--accent-amber);margin-bottom:4px;transition:color .2s}.rt-t2 .obj-breakdown-bar{display:flex;height:32px;border-radius:6px;overflow:hidden;background:hsla(0,0%,100%,.04);margin:14px 0 10px}.rt-t2 .obj-seg{height:100%;transition:width .3s ease;display:flex;align-items:center;justify-content:center;font-size:10.5px;color:#fff;font-weight:700;font-family:Fira Code,ui-monospace,monospace;overflow:hidden;white-space:nowrap}.rt-t2 .obj-seg.score{background:var(--accent-blue)}.rt-t2 .obj-seg.move{background:var(--accent-amber);color:#3a2906}.rt-t2 .obj-seg.balance{background:var(--accent-cyan);color:#062631}.rt-t2 .obj-seg.load{background:var(--accent-green);color:#062412}.rt-t2 .obj-seg-legend{display:flex;gap:12px;font-size:11px;color:var(--text-secondary);flex-wrap:wrap}.rt-t2 .obj-seg-legend .sw{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:middle}.rt-t2 .plan-table{width:100%;border-collapse:collapse;font-size:12px;font-family:Fira Code,ui-monospace,monospace}.rt-t2 .plan-table td,.rt-t2 .plan-table th{padding:8px 10px;text-align:center;border:1px solid var(--border)}.rt-t2 .plan-table th{background:rgba(79,124,255,.1);color:var(--accent-cyan);font-weight:700;font-size:11px}.rt-t2 .plan-table td.x1{background:rgba(52,211,153,.15);color:var(--accent-green);font-weight:700}.rt-t2 .plan-table td.x0{color:var(--text-muted)}.rt-t2 .plan-table td.blocked{color:var(--text-muted);background:hsla(0,0%,100%,.02)}.rt-t2 .load-stack{display:flex;flex-direction:column;gap:10px;margin-top:10px}.rt-t2 .load-stack-row{display:grid;grid-template-columns:40px 1fr 90px;gap:10px;align-items:center;font-size:12px}.rt-t2 .load-vid{font-weight:700;color:var(--accent-cyan);font-family:Fira Code,ui-monospace,monospace}.rt-t2 .load-bar{height:18px;background:hsla(0,0%,100%,.05);border-radius:999px;overflow:hidden;position:relative}.rt-t2 .load-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-blue),var(--accent-cyan));transition:width .4s ease;position:relative}.rt-t2 .load-bar-avg{position:absolute;top:-2px;bottom:-2px;width:2px;background:var(--accent-amber);box-shadow:0 0 6px var(--accent-amber);transition:left .4s ease;z-index:2}.rt-t2 .load-bar-pct{font-family:Fira Code,ui-monospace,monospace;color:var(--text-secondary);text-align:right;font-size:11.5px}.rt-t2 .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width:900px){.rt-t2 .compare-grid{grid-template-columns:1fr}}.rt-t2 .compare-col{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;position:relative;overflow:hidden}.rt-t2 .compare-col:before{content:"";position:absolute;top:0;left:0;right:0;height:3px}.rt-t2 .compare-col.greedy:before{background:var(--accent-amber)}.rt-t2 .compare-col.ip:before{background:linear-gradient(90deg,var(--accent-blue),var(--accent-green))}.rt-t2 .compare-col-title{font-size:14px;font-weight:700;margin-bottom:4px;display:flex;align-items:center;gap:8px}.rt-t2 .compare-col-sub{font-size:11.5px;color:var(--text-muted);margin-bottom:14px}.rt-t2 .compare-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:14px}.rt-t2 .compare-metric{padding:8px 10px;background:rgba(0,0,0,.25);border-radius:6px}.rt-t2 .compare-metric-label{font-size:10.5px;color:var(--text-muted);font-family:Fira Code,ui-monospace,monospace;margin-bottom:3px}.rt-t2 .compare-metric-value{font-size:17px;font-weight:700;font-family:Fira Code,ui-monospace,monospace;color:var(--text-primary)}.rt-t2 .compare-assigned{font-size:12px}.rt-t2 .compare-assigned-row{padding:5px 0;border-bottom:1px dashed rgba(99,130,255,.08);display:flex;justify-content:space-between;font-family:Fira Code,ui-monospace,monospace}.rt-t2 .compare-assigned-row:last-child{border-bottom:none}.rt-t2 .compare-assigned-row .ship{color:var(--text-primary)}.rt-t2 .compare-assigned-row .arrow{color:var(--text-muted)}.rt-t2 .compare-assigned-row .veh{color:var(--accent-green);font-weight:600}.rt-t2 .compare-assigned-row .skip{color:var(--accent-red);font-style:italic}.rt-t2 .diff-badge{display:inline-block;font-size:10.5px;padding:2px 8px;border-radius:999px;font-family:Fira Code,ui-monospace,monospace;font-weight:700;margin-left:6px}.rt-t2 .diff-badge.up{background:rgba(52,211,153,.15);color:var(--accent-green)}.rt-t2 .diff-badge.down{background:hsla(0,91%,71%,.15);color:var(--accent-red)}.rt-t2 .diff-badge.eq{background:rgba(138,146,168,.12);color:var(--text-muted)}.rt-t2 .solver-info{font-size:11.5px;color:var(--text-muted);padding:10px 14px;background:rgba(79,124,255,.05);border-left:2px solid var(--accent-blue);border-radius:4px;margin-top:14px;font-family:Fira Code,ui-monospace,monospace;line-height:1.6}.rt-t2 .btn{padding:8px 14px;border-radius:8px;font-size:12.5px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);font-family:inherit;transition:all .2s}.rt-t2 .btn:hover{border-color:var(--border-active);color:var(--text-primary)}.rt-t2 .btn.primary{background:var(--accent-blue);color:#fff;border-color:var(--accent-blue)}.rt-t2 .toolbar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap;align-items:center}