.atlas{--text:var(--ink);--body:var(--ink-2);--dim:var(--ink-3);--muted:var(--ink-3);--ui:var(--ink-3);--ui-low:#14141447;--line-grey:var(--ink-3);--accent:var(--pen);--track:#14141412;--track-scarcity:#1414141a;--hairline:var(--line);--hairline-2:var(--line);--mono:ui-monospace, "Cascadia Mono", Consolas, monospace;width:100%;max-width:50rem;font:400 1rem/1.5 var(--sans);color:var(--ink);grid-column:wide;justify-self:center}.prose .atlas *+*{margin-top:0}.atlas button{cursor:pointer;text-align:left;background:0 0;border:0;padding:0}.atlas .concept-head{border-bottom:2px solid var(--ink);flex-wrap:wrap;align-items:baseline;gap:.4rem 1rem;padding-bottom:.9rem;display:flex}.atlas .concept-name{font:800 1.5rem/1 var(--sans);letter-spacing:-.01em;font-stretch:72%}.atlas .concept-layers{font:600 .85rem/1.3 var(--sans);color:var(--ink-2)}.atlas .concept-lands{color:var(--ink-3);font-weight:400}.atlas .concept-binds{font:600 .85rem/1.3 var(--sans);color:var(--pen);margin-left:auto}.atlas .concept-binds:before{content:"binds on ";color:var(--ink-3);font-weight:400}.atlas .invariant{font:700 clamp(1.35rem, 2.4vw, 1.75rem)/1.2 var(--sans);letter-spacing:-.01em;max-width:30ch;margin-top:1.4rem;font-stretch:85%}.atlas .invariant span{background:linear-gradient(transparent 55%, var(--hi) 55%, var(--hi) 92%, transparent 92%)}.atlas .hook{font:400 1.2rem/1.6 var(--serif);color:var(--ink);text-wrap:pretty;max-width:40rem;margin-top:1rem}.atlas .concept-intro{font-family:var(--hand);color:var(--pen);margin:2.2rem 0 .4rem;font-size:1.55rem;line-height:1}.atlas .machine{color:#efeee8;box-shadow:var(--lift);transition:translate .3s var(--ease), box-shadow .3s var(--ease);background:#151515;border-radius:10px;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:.2rem 1.1rem;margin-top:1.8rem;padding:1rem 1.2rem;text-decoration:none;display:grid}.atlas .machine:hover{box-shadow:var(--lift-high);translate:0 -2px}.atlas .machine svg{grid-row:span 2;width:64px;height:48px}.atlas .machine-k{font:600 .72rem/1.2 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:#9d9b93}.atlas .machine-t{font:400 1rem/1.4 var(--sans)}.atlas .machine-t b{color:var(--hi);font-weight:650}.atlas .level{border-top:1px solid var(--line);width:100%;color:var(--ink);align-items:baseline;gap:1rem;margin-top:0;padding:1.1rem 0;display:flex}.atlas .level[data-stub]{opacity:.35;cursor:default}.atlas .level-n{width:1.6rem;font:400 1.9rem/.7 var(--hand);color:var(--pen);flex:none}.atlas .level-title{font:700 1.3rem/1.2 var(--sans);font-stretch:85%;transition:color .2s}.atlas .level:not([data-stub]):hover .level-title{color:var(--pen)}.atlas .level-mark{font:500 1.3rem/1 var(--sans);color:var(--ink-3);margin-left:auto}.atlas .level-body{padding:0 0 1.6rem 2.6rem}.atlas .sub{border-top:1px dashed var(--line)}.atlas .sub:first-child{border-top:0}.atlas .sub-head{align-items:baseline;width:100%;padding:.8rem 0;display:flex}.atlas .sub-title{font:650 1rem/1.3 var(--sans);color:var(--ink-2);transition:color .2s}.atlas .sub-head:hover .sub-title,.atlas .sub-head[aria-expanded=true] .sub-title{color:var(--ink)}.atlas .sub-head[aria-expanded=true] .sub-title{background:linear-gradient(transparent 60%, var(--hi) 60%, var(--hi) 92%, transparent 92%)}.atlas .sub-body{padding:.2rem 0 1.4rem}.atlas .sub-body>:first-child:not(p){background:var(--card);box-shadow:var(--lift);padding:clamp(14px,2.2vw,24px)}.atlas .body{font:400 1.05rem/1.6 var(--serif);color:var(--ink);text-wrap:pretty;max-width:40rem;margin:0 0 .9rem}.atlas .chain{gap:.9rem;margin-bottom:1rem;display:flex}.atlas .chain-n{width:1.2rem;font:700 .95rem/1.5 var(--sans);color:var(--pen);font-variant-numeric:tabular-nums;flex:none}.atlas .chain-claim{font:650 1.02rem/1.45 var(--sans)}.atlas .chain-support{font:400 1rem/1.55 var(--serif);color:var(--ink-2);max-width:40rem;margin-top:.25rem;display:block}.atlas .panel-head{flex-wrap:wrap;align-items:center;gap:.7rem;margin-bottom:.9rem;display:flex}.atlas .panel-head-label,.atlas .micro,.atlas .slider-label,.atlas .pane-label{font:500 .8rem/1.4 var(--sans);color:var(--ink-3)}.atlas .play{border:1.5px solid var(--ink);width:28px;height:28px;color:var(--ink);border-radius:50%;flex:none;justify-content:center;align-items:center;transition:background .2s,color .2s;display:inline-flex}.atlas .play:hover{background:var(--ink);color:var(--paper)}.atlas .play[data-playing=true]{background:var(--pen);border-color:var(--pen);color:#fff}.atlas .seg-group{border:1.5px solid var(--ink);border-radius:99px;gap:0;padding:2px;display:inline-flex}.atlas .seg{font:600 .82rem/1 var(--sans);color:var(--ink-2);border-radius:99px;align-items:center;min-height:28px;padding:.45rem .8rem;transition:background .2s,color .2s;display:inline-flex}.atlas .seg:hover{color:var(--ink)}.atlas .seg[data-on=true]{background:var(--ink);color:var(--paper)}.atlas .grid-split{grid-template-columns:minmax(0,1fr) minmax(0,11rem);align-items:start;gap:1.4rem;display:grid}.atlas .grid-row{gap:2px;margin-bottom:2px;transition:opacity .2s;display:flex}.atlas .cell{border-radius:1px;flex:none;width:11px;height:11px}.atlas .stat-lg{font:800 2.6rem/.95 var(--sans);color:var(--pen);font-variant-numeric:tabular-nums;margin:.1rem 0 .8rem;font-stretch:70%}.atlas .stat-md{font:800 1.7rem/1 var(--sans);color:var(--ink);font-variant-numeric:tabular-nums;margin:.1rem 0 .9rem;font-stretch:72%}.atlas .stat-pair{grid-template-columns:1fr 1fr;gap:.9rem;margin-bottom:1rem;display:grid}.atlas .stat-pair .stat-md{font-size:1.9rem}.atlas .mono-note,.atlas .derivation{font:400 .85rem/1.8 var(--mono);color:var(--ink-2)}.atlas .derivation{margin-bottom:1rem}.atlas .derivation span{color:var(--ink-3)}.atlas .derivation em{color:var(--pen);font-style:normal;font-weight:600}.atlas .slider-row{align-items:center;gap:.8rem;margin:1rem 0 .6rem;display:flex}.atlas .slider-row input[type=range]{min-width:0;height:28px;accent-color:var(--pen);flex:1;margin:0}.atlas .slider-value{text-align:right;width:4.5rem;font:650 .85rem/1 var(--sans);color:var(--pen);font-variant-numeric:tabular-nums}.atlas .capacity{background:var(--track);gap:1px;height:12px;margin-bottom:4px;display:flex;overflow:hidden}.atlas .capacity span{transition:width .2s var(--ease)}.atlas .capacity-overflow{border:1.5px dashed var(--pen);height:12px;transition:width .2s var(--ease), opacity .2s;margin-bottom:8px}.atlas .chart-key,.atlas .cost-key{font:500 .8rem/1.4 var(--sans);color:var(--ink-2);flex-wrap:wrap;gap:.3rem 1.1rem;margin:.3rem 0 .9rem;padding:0;list-style:none;display:flex}.atlas .cost-key li{align-items:center;display:flex}.atlas .chart-key .dash,.atlas .chart-key .solid{vertical-align:3px;width:14px;margin-right:6px;display:inline-block}.atlas .chart-key .dash{border-top:1.5px dashed var(--ink-3)}.atlas .chart-key .solid{border-top:2.5px solid var(--pen)}.atlas .swatch{width:9px;height:9px;margin-right:6px;display:inline-block}.atlas svg text{font-family:var(--sans)}.atlas .thread{margin:0 0 1rem;padding:0;list-style:none}.atlas .thread-row{border-top:1px solid var(--line);align-items:baseline;gap:.9rem;width:100%;padding:.65rem 0;transition:opacity .2s;display:flex}.atlas .thread-row[data-reached=false]{opacity:.3}.atlas .thread-year{width:2.6rem;font:600 .85rem/1.4 var(--sans);color:var(--ink-3);font-variant-numeric:tabular-nums;flex:none}.atlas .thread-name{font:650 1rem/1.35 var(--sans)}.atlas .thread-row[data-open=true] .thread-year,.atlas .thread-row[data-open=true] .thread-name{color:var(--pen)}.atlas .thread-delta{font:400 .8rem/1.5 var(--mono);color:var(--ink-3);margin-top:.2rem;display:block}.atlas .thread-note{font:400 .98rem/1.55 var(--serif);color:var(--ink-2);max-width:40rem;margin-top:.3rem;display:block}.atlas .thread-left{border-left:3px solid var(--hi);font:400 .98rem/1.55 var(--serif);color:var(--ink);max-width:38rem;margin-top:.6rem;padding-left:.8rem;display:block}.atlas .thread-left-label{font:400 1.3rem/1 var(--hand);color:var(--pen);margin-bottom:.2rem;display:block}.atlas .consequence-row{align-items:center;gap:.7rem;padding:.25rem 0;display:flex}.atlas .consequence-name{width:7rem;font:600 .82rem/1.3 var(--sans);color:var(--ink-2);flex:none}.atlas .consequence-track{background:var(--track);flex:1;height:14px;position:relative;overflow:hidden}.atlas .consequence-before{background:#1414142e;height:100%;position:absolute;top:0;left:0}.atlas .consequence-after{height:6px;position:absolute;top:4px;left:0}.atlas .consequence-delta{text-align:right;width:7.5rem;font:600 .8rem/1.3 var(--sans);color:var(--ink-2);flex:none}.atlas .consequence-delta[data-up=true]{color:var(--pen)}.atlas .consequence-move{gap:.7rem;padding:.35rem 0;display:flex}.atlas .consequence-year{width:2.6rem;font:600 .82rem/1.4 var(--sans);color:var(--ink-3);flex:none}.atlas .cmd{background:#151515;border-radius:10px;margin:0 0 .9rem;padding:1rem 1.2rem;overflow-x:auto}.atlas .cmd code{font:400 .85rem/1.7 var(--mono);color:#efeee8;white-space:pre;background:0 0;padding:0}.atlas .xref{color:inherit;text-decoration:underline;text-decoration-color:var(--pen);text-underline-offset:.18em;text-decoration-thickness:1.5px}.atlas .xref:hover{color:var(--pen)}.atlas .glossary-term{cursor:help;text-decoration:underline dotted var(--ink-3);text-underline-offset:.2em}.atlas .stage{background:var(--card);box-shadow:var(--lift);margin-top:1.8rem;padding:clamp(16px,2.6vw,28px)}.atlas .stage-ask{font:400 1.05rem/1.55 var(--serif);color:var(--ink);max-width:36rem}.atlas .stage-ask-row{flex-wrap:wrap;align-items:center;gap:.6rem;margin-top:.8rem;display:flex}.atlas .stage-ask-row input{width:7rem;font:600 1rem/1 var(--sans);color:var(--ink);background:var(--paper);border:1.5px solid var(--ink);border-radius:6px;padding:.4rem .6rem}.atlas .stage-ask-row input:focus{border-color:var(--pen);outline:none}.atlas .stage-ask-row .seg{background:var(--ink);color:var(--paper)}.atlas .stage-skip{font:500 .85rem/1 var(--sans);color:var(--ink-3);text-underline-offset:3px;text-decoration:underline}.atlas .stage-skip:hover{color:var(--pen)}.atlas .stage-verdict{font:400 1.05rem/1.5 var(--serif);margin-bottom:.9rem}.atlas .stage-verdict em{font:700 1.05rem/1 var(--sans);color:var(--pen);font-style:normal}.atlas .stage-head{flex-wrap:wrap;align-items:center;gap:.8rem;margin-bottom:1rem;display:flex}.atlas .stage-step{font:500 .82rem/1.3 var(--sans);color:var(--ink-3);margin-left:auto}.atlas .stage-step em{font:700 1rem/1 var(--sans);color:var(--ink);font-variant-numeric:tabular-nums;font-style:normal}.atlas .stage-bars{flex-direction:column;gap:.5rem;display:flex}.atlas .stage-bar{align-items:center;gap:.7rem;display:flex}.atlas .stage-bar-label{width:7.5rem;font:600 .82rem/1.3 var(--sans);color:var(--ink-2);flex:none}.atlas .stage-bar-track{background:var(--track);flex:1;height:12px;overflow:hidden}.atlas .stage-bar-fill{transform-origin:0;width:100%;height:100%;transition:transform .2s var(--ease), background .2s;display:block}.atlas .stage-bar-value{text-align:right;width:5.5rem;font:600 .85rem/1 var(--sans);color:var(--ink-3);font-variant-numeric:tabular-nums;flex:none}.atlas .stage-bar-value[data-bound=true]{color:var(--pen)}.atlas .stage-verdict-line{font:400 1.02rem/1.55 var(--serif);color:var(--ink-2);max-width:38rem;margin:1rem 0}.atlas .stage-verdict-line em{color:var(--ink);font-style:normal;font-weight:600}.atlas .stage-stream{flex-wrap:wrap;gap:3px;margin-bottom:5px;display:flex}.atlas .stage-tok{background:var(--track-scarcity);width:9px;height:13px}.atlas .stage-tok[data-on=true]{background:var(--pen)}.atlas .stage-people-head{align-items:baseline;gap:.7rem;margin:1.1rem 0 .4rem;display:flex}.atlas .stage-people-count{font:700 .95rem/1 var(--sans);color:var(--pen);margin-left:auto}.atlas .stage-people{flex-wrap:wrap;gap:3px;margin-bottom:.4rem;display:flex}.atlas .stage-person{background:var(--track-scarcity);border-radius:50%;width:8px;height:8px;transition:background .16s}.atlas .stage-person[data-on=true]{background:var(--ink-3)}.atlas .stage-person[data-me=true]{background:var(--pen);box-shadow:0 0 0 2px #2345d633}.atlas .next{margin-top:2.4rem}.atlas .next .pane-label{font:400 1.6rem/1 var(--hand);color:var(--pen);margin-bottom:.5rem}.atlas .next-row{border-top:1px solid var(--line);padding:.8rem 0;text-decoration:none;display:block}.atlas .next-name{font:700 1.1rem/1.3 var(--sans);color:var(--ink);transition:color .2s}.atlas .next-row:hover .next-name{color:var(--pen)}.atlas .next-why{font:400 .98rem/1.5 var(--serif);color:var(--ink-2);max-width:40rem;margin-top:.25rem;display:block}.atlas .source-where{font:600 .8rem/1 var(--sans);color:var(--pen);margin-right:.3rem}@media (width<=720px){.atlas .grid-split{grid-template-columns:minmax(0,1fr)}.atlas .concept-binds{margin-left:0}.atlas .level-body{padding-left:0}}@media (prefers-reduced-motion:reduce){.atlas *{transition-duration:0s!important}}.brief[data-astro-cid-etwakeih]{grid-column:text}.brief[data-astro-cid-etwakeih]>[data-astro-cid-etwakeih]+[data-astro-cid-etwakeih]{margin-top:2rem}.brief-lede[data-astro-cid-etwakeih]{font:400 1.3rem/1.5 var(--serif)}.brief[data-astro-cid-etwakeih] h2[data-astro-cid-etwakeih]{font:400 1.6rem/1 var(--hand);color:var(--pen);margin-bottom:.6rem}.brief[data-astro-cid-etwakeih] h3[data-astro-cid-etwakeih]{font:700 1.05rem/1.35 var(--sans);margin-top:1rem}.brief[data-astro-cid-etwakeih] p[data-astro-cid-etwakeih]{font:400 1.1rem/1.6 var(--serif)}.brief[data-astro-cid-etwakeih] p[data-astro-cid-etwakeih]+p[data-astro-cid-etwakeih]{margin-top:.9rem}.brief-left[data-astro-cid-etwakeih]{border-left:3px solid var(--hi);padding-left:.9rem}.brief-trade[data-astro-cid-etwakeih] dl[data-astro-cid-etwakeih]{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.brief-trade[data-astro-cid-etwakeih] div[data-astro-cid-etwakeih]{background:var(--card);box-shadow:var(--lift);padding:1rem 1.1rem}.brief-trade[data-astro-cid-etwakeih] dt[data-astro-cid-etwakeih]{font:600 .78rem/1 var(--sans);letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);margin-bottom:.4rem}.brief-trade[data-astro-cid-etwakeih] dd[data-astro-cid-etwakeih]{font:400 1.02rem/1.45 var(--serif);margin:0}.brief-links[data-astro-cid-etwakeih]{list-style:none;padding:0!important}.brief-links[data-astro-cid-etwakeih] li[data-astro-cid-etwakeih]{border-top:1px solid var(--line);gap:.2rem;padding:.7rem 0;display:grid;margin:0!important}.brief-links[data-astro-cid-etwakeih] a[data-astro-cid-etwakeih],.brief-links[data-astro-cid-etwakeih] b[data-astro-cid-etwakeih]{font:700 1.05rem/1.3 var(--sans);color:var(--ink);text-decoration:none}.brief-links[data-astro-cid-etwakeih] a[data-astro-cid-etwakeih]:hover{color:var(--pen)}.brief-links[data-astro-cid-etwakeih] span[data-astro-cid-etwakeih]{font:400 .98rem/1.45 var(--serif);color:var(--ink-2)}.brief-note[data-astro-cid-etwakeih]{font-size:1.4rem}@media (width<=640px){.brief-trade[data-astro-cid-etwakeih] dl[data-astro-cid-etwakeih]{grid-template-columns:1fr}}.paper-cite-block[data-astro-cid-jbnmmdbc]{background:var(--card);max-width:40rem;box-shadow:var(--lift);transition:rotate .3s var(--ease), box-shadow .3s var(--ease);gap:.25rem;margin-top:1.6rem;padding:1rem 1.2rem;display:grid;rotate:-.4deg}.paper-cite-block[data-astro-cid-jbnmmdbc]:hover{box-shadow:var(--lift-high);rotate:0deg}.paper-cite-block[data-astro-cid-jbnmmdbc] .hand[data-astro-cid-jbnmmdbc]{font-size:1.5rem}.paper-cite-block[data-astro-cid-jbnmmdbc] .t[data-astro-cid-jbnmmdbc]{font:500 1.3rem/1.25 var(--serif)}.paper-cite-block[data-astro-cid-jbnmmdbc]:hover .t[data-astro-cid-jbnmmdbc]{color:var(--pen)}.paper-cite-block[data-astro-cid-jbnmmdbc] .w[data-astro-cid-jbnmmdbc]{font:600 .82rem/1.3 var(--sans);color:var(--ink-3)}.paper-cite-block[data-astro-cid-jbnmmdbc] .n[data-astro-cid-jbnmmdbc]{font:400 1rem/1.5 var(--serif);color:var(--ink-2);margin-top:.3rem}