.system-lab-page-header[data-astro-cid-lw3jjwcr]{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:14px;margin-bottom:34px}.system-lab-page-header[data-astro-cid-lw3jjwcr] .system-lab-page-nav[data-astro-cid-lw3jjwcr]{margin-bottom:0}.system-lab-page-nav[data-astro-cid-lw3jjwcr] a[data-astro-cid-lw3jjwcr][aria-current=page]{background:var(--color-card-hover);border-color:#bbb;cursor:default}.system-lab-language-toggle[data-astro-cid-lw3jjwcr]{position:sticky;top:14px;z-index:10;display:inline-flex;align-items:center;gap:7px;min-height:38px;padding:8px 12px;border:1px solid #111111;border-radius:999px;background:var(--color-text-main);color:var(--color-background);text-decoration:none;font-size:.9rem;font-weight:800;line-height:1;box-shadow:0 10px 24px #0000001f;white-space:nowrap;transition:var(--transition)}.system-lab-language-toggle[data-astro-cid-lw3jjwcr]:hover{transform:translateY(-1px);box-shadow:0 12px 28px #00000029}.system-lab-language-toggle__active[data-astro-cid-lw3jjwcr]{text-decoration:underline;text-underline-offset:3px}.system-lab-language-toggle__divider[data-astro-cid-lw3jjwcr]{opacity:.55}@media(max-width:720px){.system-lab-page-header[data-astro-cid-lw3jjwcr]{grid-template-columns:1fr}.system-lab-language-toggle[data-astro-cid-lw3jjwcr]{position:static;justify-self:start;order:-1}}@font-face{font-family:Virgil;src:url(/fonts/Virgil.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}.container:has([data-system-design-lab]),.container:has([data-system-design-constraint-lab]){max-width:1280px}.system-lab-page-nav{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 34px}.system-lab-page-nav a{color:var(--color-text-main);border:1px solid var(--color-border);border-radius:var(--radius);padding:8px 12px;text-decoration:none;font-size:.9rem;font-weight:700;transition:var(--transition)}.system-lab-page-nav a:hover{background:var(--color-card-hover);border-color:#bbb}.system-lab{padding-bottom:60px}.system-lab+.system-lab{margin-top:56px;padding-top:56px;border-top:1px solid var(--color-border)}.system-lab__intro{max-width:880px;margin-bottom:28px}.system-lab__eyebrow{color:var(--color-text-muted);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px}.system-lab__title{font-size:clamp(2rem,6vw,4.2rem);line-height:1;letter-spacing:0;max-width:940px;margin-bottom:20px}.system-lab__summary{color:var(--color-text-muted);font-size:1.12rem;line-height:1.62;max-width:760px}.system-lab__intro-actions{margin-top:18px}.system-lab__intro-actions a{display:inline-flex;align-items:center;color:var(--color-text-main);border:1px solid var(--color-border);border-radius:var(--radius);padding:8px 12px;text-decoration:none;font-size:.9rem;font-weight:800;transition:var(--transition)}.system-lab__intro-actions a:hover{background:var(--color-card-hover);border-color:#bbb}.system-lab__scenarios{margin-bottom:24px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;overflow:hidden}.system-lab__scenarios-header{display:flex;justify-content:space-between;align-items:end;gap:20px;padding:18px 20px;border-bottom:1px solid var(--color-border);background:#fafafa}.system-lab__scenarios-header h2{font-size:1.1rem;letter-spacing:0}.system-lab__scenarios-header p{color:var(--color-text-muted);font-size:.9rem;line-height:1.45;max-width:520px}.system-lab__scenario-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(165px,1fr))}.system-lab__scenario{min-height:148px;display:grid;align-content:start;gap:8px;padding:18px;border:0;border-right:1px solid var(--color-border);background:#fff;text-align:left;font:inherit;cursor:pointer;transition:background .2s ease,box-shadow .2s ease}.system-lab__scenario:last-child{border-right:0}.system-lab__scenario:hover,.system-lab__scenario[aria-pressed=true]{background:#f4f8fb;box-shadow:inset 0 3px #3c7ea8}.system-lab__scenario span{color:#3c7ea8;font-size:.74rem;font-weight:800;letter-spacing:.08em}.system-lab__scenario strong{color:var(--color-text-main);font-size:.96rem;line-height:1.2}.system-lab__scenario small{color:var(--color-text-muted);font-size:.82rem;line-height:1.4}.system-lab__walkthrough{margin-bottom:24px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;overflow:hidden}.system-lab__walkthrough-header{display:flex;justify-content:space-between;align-items:end;gap:20px;padding:18px 20px;border-bottom:1px solid var(--color-border);background:linear-gradient(180deg,#f3f8fb,#fafcfd)}.system-lab__walkthrough-header h2{font-size:1.1rem;letter-spacing:0}.system-lab__walkthrough-progress{display:grid;justify-items:end;gap:8px}.system-lab__walkthrough-progress>span{color:var(--color-text-muted);font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}.system-lab__walkthrough-dots{display:flex;flex-wrap:wrap;gap:6px}.system-lab__walkthrough-dot{display:inline-flex;align-items:center;justify-content:center;width:26px;height:22px;border:1px solid #c4ccd3;border-radius:6px;background:#fff;color:#8a939c;font-size:.7rem;font-weight:800;font-variant-numeric:tabular-nums;cursor:pointer;transition:var(--transition)}.system-lab__walkthrough-dot[data-state=done]{border-color:#8aa98f;background:#eef6ef;color:#3f7b54}.system-lab__walkthrough-dot[data-state=active]{border-color:#2f78a5;background:#2f78a5;color:#fff}.system-lab__walkthrough-body{display:grid;gap:14px;padding:22px 20px}.system-lab__walkthrough-focus{justify-self:start;padding:4px 10px;border:1px solid #b9d4e4;border-radius:999px;background:#f3f9fc;color:#2f6f97;font-size:.74rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.system-lab__walkthrough-question{color:var(--color-text-main);font-size:1.18rem;font-weight:700;line-height:1.45;max-width:820px}.system-lab__walkthrough-reveal-btn{justify-self:start;padding:9px 16px;border:1px solid #2f78a5;border-radius:var(--radius);background:#fff;color:#2f6f97;font:inherit;font-size:.9rem;font-weight:800;cursor:pointer;transition:var(--transition)}.system-lab__walkthrough-reveal-btn:hover{background:#f3f9fc}.system-lab__walkthrough-reveal{display:grid;gap:12px;padding:16px 18px;border:1px solid #d8e4ec;border-left:3px solid #2f78a5;border-radius:var(--radius);background:#f8fbfd}.system-lab__walkthrough-reveal p{color:var(--color-text-muted);font-size:.96rem;line-height:1.6;max-width:820px}.system-lab__walkthrough-takeaway{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}.system-lab__walkthrough-takeaway span{flex:0 0 auto;color:#3f7b54;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.system-lab__walkthrough-takeaway strong{color:var(--color-text-main);font-size:.96rem;font-weight:700;line-height:1.5}.system-lab__walkthrough-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;border-top:1px solid var(--color-border);background:#fafafa}.system-lab__walkthrough-hint{color:var(--color-text-muted);font-size:.84rem;line-height:1.45;max-width:520px}.system-lab__walkthrough-nav{display:flex;gap:8px}.system-lab__walkthrough-nav button{padding:8px 14px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff;color:var(--color-text-main);font:inherit;font-size:.86rem;font-weight:800;cursor:pointer;transition:var(--transition)}.system-lab__walkthrough-nav button:hover:not(:disabled){background:var(--color-card-hover);border-color:#bbb}.system-lab__walkthrough-nav button:disabled{opacity:.4;cursor:not-allowed}.system-lab__workspace{display:grid;grid-template-columns:minmax(260px,340px) minmax(0,1fr);gap:24px;align-items:start}.system-lab__controls,.system-lab__panel,.system-lab__verdict,.system-lab__diagram{border:1px solid var(--color-border);border-radius:var(--radius);background:#fff}.system-lab__controls{position:sticky;top:24px;display:grid;gap:20px;padding:22px}.system-lab__controls-header h2,.system-lab__verdict h2,.system-lab__panel h3{letter-spacing:0}.system-lab__controls-header h2{font-size:1.25rem;margin-bottom:6px}.system-lab__controls-header p,.system-lab__control-help,.system-lab__toggle small{color:var(--color-text-muted);font-size:.86rem;line-height:1.45}.system-lab__control{display:grid;gap:10px}.system-lab__control-label{display:flex;justify-content:space-between;gap:12px;color:var(--color-text-main);font-size:.92rem;font-weight:700}.system-lab__control-label output{color:#345f7d;font-variant-numeric:tabular-nums;white-space:nowrap}.system-lab__control input[type=range]{width:100%;accent-color:#111111}.system-lab__toggle{display:flex;align-items:flex-start;gap:12px;padding:14px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fafafa;cursor:pointer}.system-lab__toggle input{margin-top:3px;accent-color:#111111}.system-lab__toggle span{display:grid;gap:4px}.system-lab__main{display:grid;gap:18px}.system-lab__verdict{padding:24px}.system-lab__verdict h2{font-size:clamp(1.35rem,3vw,2.1rem);line-height:1.12;margin-bottom:10px}.system-lab__verdict p:last-child{color:var(--color-text-muted);font-size:1rem;line-height:1.55;max-width:820px}.system-lab__diagram{padding:22px;display:grid;gap:16px;background:#fff}.system-lab__diagram-caption{display:flex;justify-content:space-between;gap:20px;padding:12px 14px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fffc}.system-lab__diagram-caption span{color:var(--color-text-muted);font-size:.78rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;white-space:nowrap}.system-lab__diagram-caption strong{color:var(--color-text-main);font-size:.9rem;line-height:1.35;text-align:right}.system-lab__sketch{width:100%;display:block;border:1px solid #e7e4db;border-radius:var(--radius);background:radial-gradient(circle,rgba(30,30,30,.09) 1.1px,transparent 1.5px) 0 0 / 20px 20px,#fcfcf9}.system-lab__arrowhead{fill:none;stroke:#1e1e1e;stroke:context-stroke;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.system-lab__zone-stroke{fill:none;stroke:#b4bac0;stroke-width:1;opacity:.75}.system-lab__sketch-zone text{font-family:Virgil,Segoe Print,Comic Sans MS,cursive;fill:#9aa0a7;font-size:13px;letter-spacing:0}.system-lab__sketch-zone--edge .system-lab__zone-stroke{stroke:#95b8cf}.system-lab__sketch-zone--backbone .system-lab__zone-stroke{stroke:#b4a3d8}.system-lab__sketch-zone--processing .system-lab__zone-stroke{stroke:#98c4a6}.system-lab__sketch-zone--storage .system-lab__zone-stroke{stroke:#d6bd8a}.system-lab__sketch-flow{fill:none;stroke:#1e1e1e;stroke-width:1.5;stroke-linecap:round}.system-lab__sketch-flow-group .system-lab__sketch-flow:last-of-type{marker-end:var(--system-lab-flow-marker, url(#system-lab-arrow))}.system-lab__sketch-flow-group--secondary .system-lab__sketch-flow{stroke:#868e96;stroke-dasharray:6 6}.system-lab__sketch-flow-group--direct .system-lab__sketch-flow{stroke:#adb5bd;stroke-dasharray:3 7;opacity:.85}.system-lab__sketch-flow-group[data-state=inactive]{opacity:.12}.system-lab__sketch-flow-group[data-state=active] .system-lab__sketch-flow{stroke:#1971c2;stroke-width:1.9;stroke-dasharray:none;opacity:1}.system-lab__sketch-flow-group[data-state=warning] .system-lab__sketch-flow{stroke:#f08c00;stroke-width:1.9;stroke-dasharray:none;opacity:1}.system-lab__sketch-node{--node-stroke: #1e1e1e;--node-fill-ink: #ced4da;--node-stroke-width: 1.45;transition:opacity .2s ease}.system-lab__rough-fill{fill:none;stroke:var(--node-fill-ink);stroke-width:1.2;stroke-linecap:round;transition:stroke .2s ease}.system-lab__rough-stroke{fill:none;stroke:var(--node-stroke);stroke-width:var(--node-stroke-width);stroke-linecap:round;stroke-linejoin:round;transition:stroke .2s ease}.system-lab__rough-stroke-group{filter:drop-shadow(0 7px 9px rgba(17,17,17,.06))}.system-lab__shape-detail{fill:none;stroke:var(--node-stroke);stroke-width:1.2;opacity:.45}.system-lab__shape-dot{fill:var(--node-stroke);opacity:.4}.system-lab__shape-glyph{fill:none;stroke:var(--node-stroke);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;opacity:.85}.system-lab__shape-glyph :is(path,rect,circle,ellipse){vector-effect:non-scaling-stroke}.system-lab__sketch-node text{font-family:Virgil,Segoe Print,Comic Sans MS,cursive;fill:#1e1e1e;font-size:15px;font-weight:400;text-anchor:middle}.system-lab__sketch-node .system-lab__sketch-small{fill:#5c636b;font-size:12px}.system-lab__sketch-node[data-state=inactive]{opacity:.4;--node-stroke: #adb5bd;--node-fill-ink: transparent}.system-lab__sketch-node[data-state=ok]{--node-stroke: #2f9e44;--node-fill-ink: #b2f2bb}.system-lab__sketch-node[data-state=needed]{--node-stroke: #1971c2;--node-fill-ink: #a5d8ff}.system-lab__sketch-node[data-state=warning]{--node-stroke: #f08c00;--node-fill-ink: #ffec99}.system-lab__sketch-node[data-state=overloaded]{--node-stroke: #e03131;--node-fill-ink: #ffc9c9}.system-lab__mobile-flow{display:none}.system-lab__mobile-stage{position:relative;display:grid;gap:10px;padding-left:18px}.system-lab__mobile-stage:before{position:absolute;top:28px;bottom:-22px;left:5px;width:2px;background:#d8dde2;content:""}.system-lab__mobile-stage:last-child:before{display:none}.system-lab__mobile-stage>span{color:#555f68;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.system-lab__mobile-node{position:relative;display:grid;gap:4px;padding:12px 13px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff}.system-lab__mobile-node:before{position:absolute;top:18px;left:-18px;width:9px;height:9px;border:2px solid #b8c0c8;border-radius:999px;background:#fff;content:""}.system-lab__mobile-node strong{color:var(--color-text-main);font-size:.92rem;line-height:1.25}.system-lab__mobile-node small{color:var(--color-text-muted);font-size:.78rem;line-height:1.4}.system-lab__mobile-node[data-state=inactive]{opacity:.48;background:#f5f5f5}.system-lab__mobile-node[data-state=ok]{border-color:#8aa98f;background:#f6fbf7}.system-lab__mobile-node[data-state=warning]{border-color:#c58a3a;background:#fff8ef}.system-lab__mobile-node[data-state=needed]{border-color:#3c7ea8;background:#f3f9fc}.system-lab__mobile-node[data-state=overloaded]{border-color:#b24b4b;background:#fff3f3}.system-lab__analysis-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.9fr);gap:18px}.system-lab__panel{padding:22px}.system-lab__panel h3{font-size:1.05rem;margin-bottom:16px}.system-lab__meters{display:grid;gap:15px}.system-lab__meter{display:grid;gap:7px}.system-lab__meter-label{display:flex;justify-content:space-between;gap:12px;color:var(--color-text-main);font-size:.86rem;font-weight:700}.system-lab__meter-label span:last-child{color:var(--color-text-muted);font-variant-numeric:tabular-nums;white-space:nowrap}.system-lab__meter-track{height:9px;overflow:hidden;border-radius:999px;background:#eceff1}.system-lab__meter-fill{display:block;width:var(--meter-level, 0%);height:100%;border-radius:inherit;background:#3f7b54;transition:width .22s ease,background .22s ease}.system-lab__meter-fill[data-severity=warning]{background:#b7791f}.system-lab__meter-fill[data-severity=danger]{background:#b24b4b}.system-lab__meter p,.system-lab__decision p,.system-lab__rule-card p{color:var(--color-text-muted);font-size:.82rem;line-height:1.42}.system-lab__reasons{display:grid;gap:10px;list-style:none}.system-lab__reasons li{padding-left:14px;border-left:3px solid #d6d6d6;color:var(--color-text-muted);font-size:.9rem;line-height:1.48}.system-lab__reasons li[data-severity=warning]{border-left-color:#b7791f}.system-lab__reasons li[data-severity=danger]{border-left-color:#b24b4b}.system-lab__decision-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.system-lab__decision{min-height:132px;padding:15px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fafafa}.system-lab__decision span{display:block;font-size:.92rem;font-weight:800;margin-bottom:8px}.system-lab__decision[data-state=not-yet]{opacity:.62}.system-lab__decision[data-state=useful]{border-color:#8aa98f;background:#f6fbf7}.system-lab__decision[data-state=needed]{border-color:#3c7ea8;background:#f3f9fc}.system-lab__decision[data-state=tradeoff]{border-color:#c58a3a;background:#fff8ef}.system-lab__knowledge{display:grid;gap:18px}.system-lab__knowledge-header{display:flex;align-items:end;justify-content:space-between;gap:18px}.system-lab__knowledge-header h3{flex:0 0 auto;margin-bottom:0;white-space:nowrap}.system-lab__knowledge-header p{color:var(--color-text-muted);font-size:.88rem;line-height:1.45;max-width:560px}.system-lab__rule-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.system-lab__rule-card{min-height:180px;display:grid;align-content:start;gap:9px;padding:16px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fbfcfc}.system-lab__rule-card span{color:#3c7ea8;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.system-lab__rule-card h4,.system-lab__assumptions h4{font-size:.98rem;line-height:1.25;letter-spacing:0}.system-lab__rule-card a{color:var(--color-text-main);font-size:.84rem;font-weight:800;text-decoration:underline;text-underline-offset:3px}.system-lab__assumptions{padding:16px;border:1px solid #e2d4bd;border-radius:var(--radius);background:#fffaf2}.system-lab__assumptions h4{margin-bottom:10px}.system-lab__assumptions ul{display:grid;gap:8px;padding-left:18px}.system-lab__assumptions li{color:var(--color-text-muted);font-size:.88rem;line-height:1.45}@media(max-width:980px){.system-lab__workspace,.system-lab__analysis-grid{grid-template-columns:1fr}.system-lab__controls{position:static}.system-lab__scenario-grid{grid-template-columns:1fr}.system-lab__scenario{min-height:auto;border-right:0;border-bottom:1px solid var(--color-border)}.system-lab__scenario:last-child{border-bottom:0}.system-lab__rule-grid{grid-template-columns:1fr}}@media(max-width:720px){.system-lab__scenarios-header,.system-lab__diagram-caption,.system-lab__knowledge-header{align-items:flex-start;flex-direction:column}.system-lab__diagram-caption strong{text-align:left}.system-lab__diagram{padding:14px}.system-lab__sketch{display:none}.system-lab__mobile-flow{display:grid;gap:22px;padding:14px 6px 6px}.system-lab__decision-grid{grid-template-columns:1fr}.system-lab__knowledge-header h3{white-space:normal}}@media(prefers-reduced-motion:reduce){.system-lab__sketch-node,.system-lab__sketch-node rect,.system-lab__meter-fill{transition:none}}