.rt-t20{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:#1a2036;--bg-card-hover:#1f2847;--border:#6382ff1f;--border-active:#6382ff59;--text-primary:#e8ecf4;--text-secondary:#8892a8;--text-muted:#5a6478;--accent-blue:#4f7cff;--accent-blue-glow:#4f7cff40;--accent-cyan:#22d3ee;--accent-green:#34d399;--accent-amber:#fbbf24;--accent-red:#f87171;--accent-purple:#a78bfa;--radius:12px;--radius-sm:8px;background:var(--bg-primary);color:var(--text-primary);min-height:calc(100vh - 4rem);margin:-1.5rem;padding:28px 32px;font-family:Noto Sans KR,Plus Jakarta Sans,sans-serif}.rt-t20 .page-header{border-bottom:1px solid var(--border);margin-bottom:24px;padding-bottom:20px}.rt-t20 .page-eyebrow{color:var(--accent-cyan);letter-spacing:.15em;text-transform:uppercase;margin-bottom:6px;font-size:11px;font-weight:700}.rt-t20 .page-title{margin:0 0 8px;font-size:24px;font-weight:700}.rt-t20 .page-subtitle{color:var(--text-secondary);margin:0;font-size:13px}.rt-t20 .tab-bar{background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border);gap:4px;width:fit-content;margin-bottom:24px;padding:4px;display:flex}.rt-t20 .tab{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:8px;padding:10px 22px;font-family:inherit;font-size:13.5px;font-weight:500;transition:all .25s;display:flex}.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);margin-bottom:18px;padding:20px 22px}.rt-t20 .panel-title{align-items:center;gap:8px;margin-bottom:16px;font-size:14px;font-weight:600;display:flex}.rt-t20 .panel-title .hint{color:var(--text-muted);margin-left:auto;font-size:11.5px;font-weight:400}.rt-t20 .para{color:var(--text-secondary);margin:0;font-size:13px;line-height:1.7}.rt-t20 .para b{color:var(--text-primary)}.rt-t20 .layer-stack{flex-direction:column;gap:10px;margin-top:12px;display:flex}.rt-t20 .layer-card{border:1px solid var(--border);border-radius:var(--radius-sm);background:#0f172ab3;grid-template-columns:150px 1fr;gap:14px;padding:14px 16px;display:grid;position:relative}.rt-t20 .layer-card:before{content:"";border-radius:4px 0 0 4px;width:4px;position:absolute;top:0;bottom:0;left:0}.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{color:var(--text-primary);align-items:center;gap:6px;font-size:13px;font-weight:700;display:flex}.rt-t20 .layer-tag{letter-spacing:.08em;color:var(--text-muted);margin-top:4px;font-family:Fira Code,ui-monospace,monospace;font-size:10px;display:block}.rt-t20 .layer-desc{color:var(--text-secondary);font-size:12px;line-height:1.6}.rt-t20 .layer-desc code{color:var(--accent-cyan);background:#00000040;border-radius:3px;padding:1px 6px;font-family:Fira Code,ui-monospace,monospace;font-size:11.5px}.rt-t20 .code-card{border:1px solid var(--border);border-radius:var(--radius-sm);white-space:pre;color:var(--text-primary);background:#00000059;padding:16px 18px;font-family:Fira Code,JetBrains Mono,ui-monospace,monospace;font-size:12.5px;line-height:1.75;overflow-x:auto}.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{border-radius:var(--radius-sm);background:linear-gradient(135deg,#34d3991a,#34d39905);border:1px solid #34d3994d;margin-top:14px;padding:18px 20px}.rt-t20 .result-title{color:var(--accent-green);margin-bottom:12px;font-size:13px;font-weight:600}.rt-t20 .result-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;display:grid}.rt-t20 .result-cell{background:#00000040;border-radius:6px;padding:10px 14px}.rt-t20 .result-cell-label{color:var(--text-muted);margin-bottom:4px;font-family:Fira Code,ui-monospace,monospace;font-size:11px}.rt-t20 .result-cell-value{color:var(--accent-green);font-family:Fira Code,ui-monospace,monospace;font-size:18px;font-weight:700}.rt-t20 .result-cell-sub{color:var(--text-secondary);margin-top:2px;font-size:11px}.rt-t20 .sim-toolbar{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;padding:14px 18px;display:flex}.rt-t20 .sim-select{border:1px solid var(--border);color:var(--text-primary);background:#00000040;border-radius:6px;min-width:240px;padding:8px 12px;font-family:inherit;font-size:12.5px}.rt-t20 .sim-count{color:var(--text-secondary);align-items:center;gap:8px;font-size:12px;display:flex}.rt-t20 .sim-count code{color:var(--accent-cyan);font-family:Fira Code,ui-monospace,monospace}.rt-t20 .btn{cursor:pointer;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);border-radius:8px;padding:8px 14px;font-family:inherit;font-size:12.5px;font-weight:600;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);margin-bottom:14px;padding:14px 18px}.rt-t20 .progress-head{justify-content:space-between;align-items:center;margin-bottom:8px;font-size:12px;display:flex}.rt-t20 .progress-bar{background:#ffffff0d;border-radius:999px;height:10px;overflow:hidden}.rt-t20 .progress-fill{background:linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));height:100%;transition:width 80ms linear}.rt-t20 .hist-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;display:grid}.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:"";background:linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));height:3px;position:absolute;top:0;left:0;right:0}.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{color:var(--text-primary);margin-bottom:4px;font-size:13px;font-weight:700}.rt-t20 .hist-meta{color:var(--text-muted);margin-bottom:10px;font-family:Fira Code,ui-monospace,monospace;font-size:11.5px}.rt-t20 .hist-mean{align-items:baseline;gap:6px;margin-bottom:10px;display:flex}.rt-t20 .hist-mean-value{color:var(--text-primary);font-family:Fira Code,ui-monospace,monospace;font-size:22px;font-weight:700}.rt-t20 .hist-mean-delta{border-radius:999px;padding:2px 8px;font-family:Fira Code,ui-monospace,monospace;font-size:13px;font-weight:700}.rt-t20 .hist-mean-delta.up{color:var(--accent-green);background:#34d3991f}.rt-t20 .hist-mean-delta.down{color:var(--accent-red);background:#f871711f}.rt-t20 .hist-mean-delta.flat{color:var(--text-muted);background:#8a92a81f}.rt-t20 .hist-svg{background:#0003;border-radius:6px;width:100%;height:auto;display:block}.rt-t20 .hist-stats{grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px;display:grid}.rt-t20 .hist-stat{background:#00000040;border-radius:4px;padding:6px 10px}.rt-t20 .hist-stat-label{color:var(--text-muted);margin-bottom:2px;font-family:Fira Code,ui-monospace,monospace;font-size:10px}.rt-t20 .hist-stat-value{color:var(--text-primary);font-family:Fira Code,ui-monospace,monospace;font-size:12px;font-weight:700}.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{border-collapse:collapse;width:100%;min-width:640px;font-family:Fira Code,ui-monospace,monospace;font-size:12px}.rt-t20 .compare-table th,.rt-t20 .compare-table td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}.rt-t20 .compare-table th{color:var(--accent-cyan);text-transform:uppercase;letter-spacing:.06em;background:#4f7cff0d;font-size:11px;font-weight:700}.rt-t20 .compare-table tr.baseline{background:#8a92a80a}.rt-t20 .compare-table .scn-name{color:var(--text-primary);font-weight:600}.rt-t20 .compare-table .delta{border-radius:999px;margin-left:6px;padding:2px 8px;font-size:11px;font-weight:700;display:inline-block}.rt-t20 .compare-table .delta.up{color:var(--accent-green);background:#34d3991f}.rt-t20 .compare-table .delta.down{color:var(--accent-red);background:#f871711f}.rt-t20 .compare-table .delta.flat{color:var(--text-muted);background:#8a92a81f}.rt-t20 .kpi-bar-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-top:18px;display:grid}.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{color:var(--text-primary);margin-bottom:10px;font-size:13px;font-weight:700}.rt-t20 .kpi-bar-title .unit{color:var(--text-muted);margin-left:6px;font-family:Fira Code,ui-monospace,monospace;font-size:11px;font-weight:400}.rt-t20 .kpi-bar-row{grid-template-columns:110px 1fr 70px;align-items:center;gap:8px;margin-bottom:8px;font-size:11.5px;display:grid}.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{background:#ffffff0a;border-radius:3px;height:14px;overflow:hidden}.rt-t20 .kpi-bar-fill{background:var(--accent-blue);height:100%;transition:width .4s}.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;color:var(--text-primary);font-family:Fira Code,ui-monospace,monospace;font-weight:700}.rt-t20 .info-note{color:var(--text-muted);border-left:2px solid var(--accent-blue);background:#4f7cff0d;border-radius:4px;margin-top:14px;padding:10px 14px;font-size:11.5px;line-height:1.6}.rt-t20 .info-note b{color:var(--text-primary)}.rt-t20 .legend-row{color:var(--text-muted);flex-wrap:wrap;gap:14px;margin-top:8px;font-size:11px;display:flex}.rt-t20 .legend-row .sw{vertical-align:middle;border-radius:2px;width:10px;height:10px;margin-right:4px;display:inline-block}.rt-t20 .legend-row .sw.line{width:14px;height:2px}