.rt-t20{--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-t20 .page-header{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.rt-t20 .page-eyebrow{font-size:11px;color:var(--accent-cyan);letter-spacing:.15em;text-transform:uppercase;font-weight:700;margin-bottom:6px}.rt-t20 .page-title{font-size:24px;font-weight:700;margin:0 0 8px}.rt-t20 .page-subtitle{font-size:13px;color:var(--text-secondary);margin:0}.rt-t20 .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-t20 .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-t20 .tab:hover{color:var(--text-primary)}.rt-t20 .tab.active{background:var(--accent-blue);color:#fff;box-shadow:0 2px 12px var(--accent-blue-glow)}.rt-t20 .panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;margin-bottom:18px}.rt-t20 .panel-title{font-size:14px;font-weight:600;margin-bottom:16px;display:flex;align-items:center;gap:8px}.rt-t20 .panel-title .hint{font-size:11.5px;color:var(--text-muted);font-weight:400;margin-left:auto}.rt-t20 .para{font-size:13px;color:var(--text-secondary);line-height:1.7;margin:0}.rt-t20 .para b{color:var(--text-primary)}.rt-t20 .layer-stack{display:flex;flex-direction:column;gap:10px;margin-top:12px}.rt-t20 .layer-card{display:grid;grid-template-columns:150px 1fr;gap:14px;background:rgba(15,23,42,.7);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;position:relative}.rt-t20 .layer-card:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;border-radius:4px 0 0 4px}.rt-t20 .layer-card.physical:before{background:var(--accent-green)}.rt-t20 .layer-card.virtual:before{background:var(--accent-blue)}.rt-t20 .layer-card.engine:before{background:var(--accent-amber)}.rt-t20 .layer-name{font-size:13px;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:6px}.rt-t20 .layer-tag{font-size:10px;letter-spacing:.08em;color:var(--text-muted);font-family:Fira Code,ui-monospace,monospace;margin-top:4px;display:block}.rt-t20 .layer-desc{font-size:12px;color:var(--text-secondary);line-height:1.6}.rt-t20 .layer-desc code{font-family:Fira Code,ui-monospace,monospace;color:var(--accent-cyan);background:rgba(0,0,0,.25);padding:1px 6px;border-radius:3px;font-size:11.5px}.rt-t20 .code-card{background:rgba(0,0,0,.35);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 18px;font-family:Fira Code,JetBrains Mono,ui-monospace,monospace;font-size:12.5px;line-height:1.75;overflow-x:auto;white-space:pre;color:var(--text-primary)}.rt-t20 .code-card .kw{color:var(--accent-purple);font-weight:600}.rt-t20 .code-card .fn{color:var(--accent-cyan)}.rt-t20 .code-card .str{color:var(--accent-green)}.rt-t20 .code-card .num{color:var(--accent-amber)}.rt-t20 .code-card .com{color:var(--text-muted);font-style:italic}.rt-t20 .code-card .param{color:var(--accent-amber)}.rt-t20 .result-card{background:linear-gradient(135deg,rgba(52,211,153,.1),rgba(52,211,153,.02));border:1px solid rgba(52,211,153,.3);border-radius:var(--radius-sm);padding:18px 20px;margin-top:14px}.rt-t20 .result-title{font-size:13px;font-weight:600;color:var(--accent-green);margin-bottom:12px}.rt-t20 .result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}.rt-t20 .result-cell{padding:10px 14px;background:rgba(0,0,0,.25);border-radius:6px}.rt-t20 .result-cell-label{font-size:11px;color:var(--text-muted);margin-bottom:4px;font-family:Fira Code,ui-monospace,monospace}.rt-t20 .result-cell-value{font-size:18px;font-weight:700;color:var(--accent-green);font-family:Fira Code,ui-monospace,monospace}.rt-t20 .result-cell-sub{font-size:11px;color:var(--text-secondary);margin-top:2px}.rt-t20 .sim-toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px}.rt-t20 .sim-select{background:rgba(0,0,0,.25);border:1px solid var(--border);color:var(--text-primary);padding:8px 12px;border-radius:6px;font-size:12.5px;font-family:inherit;min-width:240px}.rt-t20 .sim-count{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary)}.rt-t20 .sim-count code{color:var(--accent-cyan);font-family:Fira Code,ui-monospace,monospace}.rt-t20 .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-t20 .btn:hover:not(:disabled){border-color:var(--border-active);color:var(--text-primary)}.rt-t20 .btn:disabled{opacity:.5;cursor:not-allowed}.rt-t20 .btn.primary{background:var(--accent-blue);color:#fff;border-color:var(--accent-blue)}.rt-t20 .progress-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;margin-bottom:14px}.rt-t20 .progress-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12px}.rt-t20 .progress-bar{height:10px;background:hsla(0,0%,100%,.05);border-radius:999px;overflow:hidden}.rt-t20 .progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-blue),var(--accent-cyan));transition:width .08s linear}.rt-t20 .hist-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}.rt-t20 .hist-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;position:relative;overflow:hidden}.rt-t20 .hist-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-blue),var(--accent-cyan))}.rt-t20 .hist-card.otif:before{background:linear-gradient(90deg,var(--accent-green),#6ee7b7)}.rt-t20 .hist-card.dist:before{background:linear-gradient(90deg,var(--accent-amber),#fde68a)}.rt-t20 .hist-card.cost:before{background:linear-gradient(90deg,var(--accent-red),#fca5a5)}.rt-t20 .hist-title{font-size:13px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.rt-t20 .hist-meta{font-size:11.5px;color:var(--text-muted);margin-bottom:10px;font-family:Fira Code,ui-monospace,monospace}.rt-t20 .hist-mean{display:flex;align-items:baseline;gap:6px;margin-bottom:10px}.rt-t20 .hist-mean-value{font-size:22px;color:var(--text-primary)}.rt-t20 .hist-mean-delta,.rt-t20 .hist-mean-value{font-weight:700;font-family:Fira Code,ui-monospace,monospace}.rt-t20 .hist-mean-delta{font-size:13px;padding:2px 8px;border-radius:999px}.rt-t20 .hist-mean-delta.up{color:var(--accent-green);background:rgba(52,211,153,.12)}.rt-t20 .hist-mean-delta.down{color:var(--accent-red);background:hsla(0,91%,71%,.12)}.rt-t20 .hist-mean-delta.flat{color:var(--text-muted);background:rgba(138,146,168,.12)}.rt-t20 .hist-svg{display:block;width:100%;height:auto;background:rgba(0,0,0,.2);border-radius:6px}.rt-t20 .hist-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}.rt-t20 .hist-stat{padding:6px 10px;background:rgba(0,0,0,.25);border-radius:4px}.rt-t20 .hist-stat-label{font-size:10px;color:var(--text-muted);font-family:Fira Code,ui-monospace,monospace;margin-bottom:2px}.rt-t20 .hist-stat-value{font-size:12px;color:var(--text-primary);font-weight:700;font-family:Fira Code,ui-monospace,monospace}.rt-t20 .compare-table-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;overflow-x:auto}.rt-t20 .compare-table{width:100%;border-collapse:collapse;font-family:Fira Code,ui-monospace,monospace;font-size:12px;min-width:640px}.rt-t20 .compare-table td,.rt-t20 .compare-table th{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border)}.rt-t20 .compare-table th{color:var(--accent-cyan);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.06em;background:rgba(79,124,255,.05)}.rt-t20 .compare-table tr.baseline{background:rgba(138,146,168,.04)}.rt-t20 .compare-table .scn-name{color:var(--text-primary);font-weight:600}.rt-t20 .compare-table .delta{font-weight:700;padding:2px 8px;border-radius:999px;font-size:11px;display:inline-block;margin-left:6px}.rt-t20 .compare-table .delta.up{color:var(--accent-green);background:rgba(52,211,153,.12)}.rt-t20 .compare-table .delta.down{color:var(--accent-red);background:hsla(0,91%,71%,.12)}.rt-t20 .compare-table .delta.flat{color:var(--text-muted);background:rgba(138,146,168,.12)}.rt-t20 .kpi-bar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-top:18px}.rt-t20 .kpi-bar-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}.rt-t20 .kpi-bar-title{font-size:13px;font-weight:700;color:var(--text-primary);margin-bottom:10px}.rt-t20 .kpi-bar-title .unit{font-size:11px;color:var(--text-muted);font-weight:400;margin-left:6px;font-family:Fira Code,ui-monospace,monospace}.rt-t20 .kpi-bar-row{display:grid;grid-template-columns:110px 1fr 70px;gap:8px;align-items:center;margin-bottom:8px;font-size:11.5px}.rt-t20 .kpi-bar-name{color:var(--text-secondary)}.rt-t20 .kpi-bar-name.baseline{color:var(--text-muted);font-style:italic}.rt-t20 .kpi-bar-track{height:14px;background:hsla(0,0%,100%,.04);border-radius:3px;overflow:hidden}.rt-t20 .kpi-bar-fill{height:100%;transition:width .4s ease;background:var(--accent-blue)}.rt-t20 .kpi-bar-fill.baseline{background:var(--text-muted)}.rt-t20 .kpi-bar-fill.good{background:var(--accent-green)}.rt-t20 .kpi-bar-fill.bad{background:var(--accent-red)}.rt-t20 .kpi-bar-fill.mid{background:var(--accent-amber)}.rt-t20 .kpi-bar-val{text-align:right;font-weight:700;color:var(--text-primary);font-family:Fira Code,ui-monospace,monospace}.rt-t20 .info-note{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;line-height:1.6}.rt-t20 .info-note b{color:var(--text-primary)}.rt-t20 .legend-row{display:flex;gap:14px;font-size:11px;color:var(--text-muted);flex-wrap:wrap;margin-top:8px}.rt-t20 .legend-row .sw{display:inline-block;width:10px;height:10px;border-radius:2px;vertical-align:middle;margin-right:4px}.rt-t20 .legend-row .sw.line{width:14px;height:2px}