.ss-intro{padding:82px 0 78px;border-top:1px solid var(--line)}.ss-intro .section-heading,.ss-gas .section-heading,.ss-lab-section .section-heading{max-width:920px}.ss-equation-grid,.ss-gas-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.ss-card{min-width:0;padding:21px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}.ss-card.primary{background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 8%,var(--panel-solid)),var(--panel))}.ss-card>span,.ss-reading>span{display:block;color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.ss-card h3{margin:8px 0 8px;font-size:1rem;overflow-wrap:anywhere}.ss-card p{margin:0;color:var(--muted);font-size:.88rem}.ss-eq{display:block;min-height:76px;margin:12px 0;padding:20px 12px;line-height:1.45;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--bg) 45%,transparent);font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:clamp(1.05rem,2.1vw,1.34rem);text-align:center;overflow-wrap:anywhere}.ss-logic-strip{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:12px;align-items:center;margin-top:14px;padding:18px;border:1px solid color-mix(in srgb,var(--accent) 30%,var(--line));border-radius:var(--radius);background:color-mix(in srgb,var(--accent) 5%,var(--panel))}.ss-logic-strip>div{min-width:0}.ss-logic-strip span{display:block;color:var(--accent);font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.ss-logic-strip strong{display:block;margin-top:3px;font-size:1.04rem}.ss-logic-strip p{margin:5px 0 0;color:var(--muted);font-size:.84rem}.ss-arrow{color:var(--accent);font-size:1.35rem;font-weight:900}.ss-gas{padding:78px 0;border-block:1px solid var(--line);background:color-mix(in srgb,var(--bg-elevated) 58%,transparent)}.ss-gas-chain{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:10px;align-items:center;margin-bottom:14px}.ss-gas-chain>div:not(.ss-chain-arrow){min-width:0;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.ss-gas-chain>div.primary{background:linear-gradient(145deg,color-mix(in srgb,var(--accent) 9%,var(--panel-solid)),var(--panel));border-color:color-mix(in srgb,var(--accent) 28%,var(--line))}.ss-gas-chain span{display:block;color:var(--muted);font-size:.68rem;font-weight:750;text-transform:uppercase;letter-spacing:.07em}.ss-gas-chain strong{display:block;margin-top:5px;font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:clamp(1rem,2vw,1.25rem);overflow-wrap:anywhere}.ss-chain-arrow{color:var(--accent);font-size:1.25rem;font-weight:900}.ss-note{margin-top:14px;padding:16px 18px;border-left:3px solid var(--warm);border-radius:0 14px 14px 0;background:color-mix(in srgb,var(--warm) 6%,var(--panel));color:var(--muted);font-size:.86rem}.ss-note strong{color:var(--text)}.ss-note p{display:inline;margin:0 0 0 7px}.ss-lab-section{padding:84px 0 94px}.ss-lab-shell{display:grid;grid-template-columns:300px minmax(0,1fr);gap:14px;align-items:start}.ss-controls,.ss-panel{min-width:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 16px 50px rgba(0,0,0,.1)}.ss-controls{position:sticky;top:calc(var(--header-h) + 16px);padding:17px}.ss-presets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px;margin:0 0 2px;padding:0 0 13px;border:0;border-bottom:1px solid var(--line)}.ss-presets legend{grid-column:1/-1;width:100%;margin-bottom:7px;color:var(--muted);font-size:.72rem;font-weight:750}.ss-presets button{min-width:0;padding:9px 5px;border:1px solid var(--line);border-radius:10px;background:var(--panel-solid);color:var(--muted);font-size:.69rem;font-weight:800;cursor:pointer;overflow-wrap:anywhere}.ss-presets button.is-active{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));color:var(--text);background:color-mix(in srgb,var(--accent) 10%,var(--panel-solid))}.ss-controls label{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);font-size:.81rem;font-weight:700}.ss-controls label span{min-width:0}.ss-controls output{color:var(--accent);font-size:.74rem;font-variant-numeric:tabular-nums;text-align:right}.ss-controls input[type="range"]{grid-column:1/-1;width:100%;accent-color:var(--accent)}.ss-reset{width:100%;margin-top:14px}.ss-assumption{margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--bg) 44%,transparent)}.ss-assumption strong{font-size:.76rem}.ss-assumption p{margin:5px 0 0;color:var(--muted);font-size:.72rem;line-height:1.45}.ss-stage{display:grid;gap:14px;min-width:0}.ss-panel{overflow:hidden}.ss-panel-head{display:flex;justify-content:space-between;gap:14px;align-items:center;padding:15px 17px;border-bottom:1px solid var(--line)}.ss-panel-head>div:first-child{min-width:0}.ss-panel-head span{display:block;color:var(--accent);font-size:.67rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.ss-panel-head strong{display:block;margin-top:3px;font-size:.9rem;overflow-wrap:anywhere}.ss-status{flex:0 0 auto;padding:6px 9px;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:999px;color:var(--muted);font-size:.68rem;font-weight:800;white-space:nowrap}.ss-map-svg,.ss-race-svg,.ss-wave-svg{display:block;width:100%;height:auto;background:linear-gradient(180deg,color-mix(in srgb,var(--accent) 2%,transparent),transparent)}.ss-map-svg{min-height:300px}.ss-race-svg,.ss-wave-svg{min-height:260px}.ss-map-legend{display:flex;flex-wrap:wrap;gap:8px 16px;padding:10px 16px 14px;border-top:1px solid var(--line);color:var(--muted);font-size:.68rem}.ss-map-legend strong{color:var(--text);font-weight:750}.ss-ref-legend{display:inline-flex;align-items:center;gap:6px}.ss-ref-legend i{width:8px;height:8px;border-radius:50%;display:inline-block;margin-left:3px}.ss-ref-legend i.air{background:var(--warm)}.ss-ref-legend i.water{background:var(--accent-3)}.ss-ref-legend i.steel{background:var(--accent-2)}.ss-axis{stroke:var(--line-strong);stroke-width:1.3}.ss-grid{stroke:var(--line);stroke-width:1}.ss-iso{fill:none;stroke:var(--muted);stroke-width:1.2;stroke-dasharray:6 7;opacity:.56}.ss-current-point{fill:var(--accent);stroke:var(--bg);stroke-width:2}.ss-current-halo{fill:none;stroke:var(--accent);stroke-width:2;opacity:.34}.ss-ref-point{stroke:var(--bg);stroke-width:1.6}.ss-ref-point.air{fill:var(--warm)}.ss-ref-point.water{fill:var(--accent-3)}.ss-ref-point.steel{fill:var(--accent-2)}.ss-label{fill:var(--muted);font-size:14px;font-weight:700}.ss-label.tiny{font-size:12px}.ss-label.accent{fill:var(--accent)}.ss-lane line{stroke:var(--line-strong);stroke-width:3;stroke-linecap:round}.ss-lane circle{fill:var(--muted);stroke:var(--bg);stroke-width:2}.ss-lane.current circle{fill:var(--accent)}.ss-lane.current line{stroke:color-mix(in srgb,var(--accent) 35%,var(--line-strong))}.ss-label.lane{font-size:13px}.ss-label.value{font-size:12px}.ss-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.ss-wave{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.ss-marker{stroke:var(--warm);stroke-width:2}.ss-marker-top{stroke:var(--warm);stroke-width:2;stroke-linecap:round}.ss-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.ss-metrics div{min-width:0;padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.ss-metrics span,.ss-checks span{display:block;color:var(--muted);font-size:.67rem}.ss-metrics strong{display:block;margin-top:5px;font-size:.91rem;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.ss-metrics small{display:block;margin-top:3px;color:var(--muted);font-size:.66rem}.ss-reading{padding:18px}.ss-reading h3{margin:6px 0 7px;font-size:1.02rem;overflow-wrap:anywhere}.ss-reading p{margin:0;color:var(--muted);font-size:.89rem}.ss-checks{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.ss-checks div{padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:color-mix(in srgb,var(--bg) 32%,transparent)}.ss-checks strong{display:block;margin-top:4px;font-size:.76rem;overflow-wrap:anywhere}.ss-cross-reference{margin:18px 0 0;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--panel);color:var(--muted);font-size:.86rem}.ss-cross-reference a{color:var(--text)}.ss-takeaways{padding-bottom:86px}.ss-takeaway-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.ss-takeaway-grid article{min-width:0;padding:18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}.ss-takeaway-grid article>span{color:var(--accent);font-size:.72rem;font-weight:800}.ss-takeaway-grid strong{display:block;margin:8px 0 6px;font-size:.9rem}.ss-takeaway-grid p{margin:0;color:var(--muted);font-size:.82rem}
@media(max-width:1040px){.ss-lab-shell{grid-template-columns:1fr}.ss-controls{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px}.ss-presets,.ss-reset,.ss-assumption{grid-column:1/-1}.ss-takeaway-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.ss-equation-grid,.ss-gas-grid{grid-template-columns:1fr}.ss-logic-strip,.ss-gas-chain{grid-template-columns:1fr}.ss-arrow,.ss-chain-arrow{transform:rotate(90deg);justify-self:start}.ss-controls{grid-template-columns:1fr}.ss-presets,.ss-reset,.ss-assumption{grid-column:auto}.ss-detail-grid{grid-template-columns:1fr}.ss-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.ss-map-svg{min-height:260px}.ss-race-svg,.ss-wave-svg{min-height:245px}.ss-note p{display:block;margin:5px 0 0}}
@media(max-width:460px){.ss-presets{grid-template-columns:1fr}.ss-panel-head{align-items:flex-start}.ss-status{white-space:normal;text-align:right;max-width:44%}.ss-metrics,.ss-takeaway-grid{grid-template-columns:1fr}.ss-label{font-size:24px}.ss-label.tiny,.ss-label.lane,.ss-label.value{font-size:19px}.ss-map-svg{min-height:240px}.ss-race-svg,.ss-wave-svg{min-height:235px}.ss-intro .section-heading h2,.ss-gas .section-heading h2,.ss-lab-section .section-heading h2,.ss-takeaways .section-heading h2{overflow-wrap:anywhere;hyphens:auto}.ss-controls output{overflow-wrap:anywhere}}