:root{--ink:#16161a;--navy:#202936;--ivory:#faf8f3;--paper:#fffefa;--gold:#9a6f1e;--gold-light:#d4a94a;--muted:#697078;--line:#e3e0d8;--green:#237460;--field-radius:6px;color:var(--ink);background:var(--ivory);font-synthesis:none;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select{min-height:44px}button{cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:6px;padding:10px 14px;font-size:13px;font-weight:600;transition:background .15s}button:hover{background:#eee9df}button:disabled{cursor:wait;opacity:.65}:focus-visible{outline:3px solid var(--gold);outline-offset:3px}header{background:var(--navy);height:82px;color:var(--ivory);justify-content:space-between;align-items:center;padding:0 3.5%;display:flex}.brand{color:var(--gold-light);align-items:center;gap:24px;text-decoration:none;display:flex}.brand img{object-fit:contain}.brand>span{letter-spacing:.25em;border-left:1px solid #56606c;padding-left:24px;font-size:11px}.header-right{letter-spacing:.12em;align-items:center;gap:10px;font-size:10px;display:flex}.version{color:#bdc2c7;margin-left:28px}.live-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.header-right .live-dot{background:var(--gold-light)}main{max-width:1600px;margin:auto;padding:48px 3.5% 32px}.intro{justify-content:space-between;align-items:center;margin-bottom:38px;display:flex}.eyebrow,.section-label{letter-spacing:.12em;color:var(--gold);font-size:10px;font-weight:650}h1{letter-spacing:-.055em;margin:10px 0 12px;font-size:clamp(36px,4vw,58px);font-weight:550;line-height:1}h1 span{color:var(--gold)}.intro p{color:var(--muted);margin:0;font-size:15px;line-height:1.6}.intro-note{border-left:1px solid var(--line);margin-right:35px;padding:0 0 0 30px}.intro-note>span{letter-spacing:.12em;color:var(--gold);font-size:10px}.intro-note p{margin-top:8px;font-size:13px}.lab{border:1px solid var(--line);background:var(--paper);border-radius:10px;grid-template-columns:190px minmax(0,1fr) 252px;display:grid;overflow:hidden}.scenarios{border-right:1px solid var(--line);padding:24px 16px}.section-label{align-items:center;gap:9px;line-height:1.6;display:flex}.section-label>span{color:var(--muted);font-size:9px}.scenario-btn{text-align:left;background:0 0;border:1px solid #0000;border-radius:7px;align-items:center;gap:12px;width:100%;min-height:58px;margin-top:7px;padding:15px 10px;font-weight:500;display:flex}.scenario-btn:first-child{margin-top:22px}.scenario-btn.active{color:#775316;background:#f2ead8;border-color:#dacfba}.scenario-icon{justify-content:center;width:28px;font-size:21px;display:flex}.scenario-btn small{color:var(--muted);margin-top:4px;font-size:10px;font-weight:400;display:block}.mission{border-top:1px solid var(--line);margin-top:28px;padding-top:24px}.mission p{color:#5b6269;margin:12px 0 24px;font-size:12px;line-height:1.7}.body-label{color:var(--muted);letter-spacing:.08em;font-size:9px}.body-label strong{color:var(--ink);letter-spacing:-.02em;margin-top:8px;font-size:22px;font-weight:500;display:block}.scenario-foot{color:var(--muted);margin-top:50px}.small-mark{color:var(--gold);font-size:23px}.scenario-foot p{font-size:11px;line-height:1.7}.workspace{background:#f4f3ee;flex-direction:column;min-width:0;display:flex}.stage-header{background:var(--paper);border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:20px 22px;display:flex}.stage-header>div{flex-wrap:wrap;align-items:center;gap:9px;display:flex}.stage-header strong{font-size:13px;font-weight:600}.scene-meta{color:var(--muted);margin-left:8px;font-size:10px}.pill{border:1px solid var(--line);white-space:nowrap;color:#56605d;border-radius:5px;padding:5px 9px;font-size:10px}.stage-wrap{background:radial-gradient(#fffefa,#eeede6);flex:1;align-items:center;min-height:365px;display:flex;position:relative;overflow:hidden}#scene{touch-action:manipulation;user-select:none;width:100%;min-height:320px;display:block}.compass{color:var(--muted);align-items:center;gap:7px;font-size:10px;display:flex;position:absolute;top:20px;right:22px}.compass span{color:#b2ada1;font-size:22px}.scene-caption{letter-spacing:.1em;color:#62696c;align-items:center;gap:8px;font-size:8px;display:flex;position:absolute;bottom:18px;left:22px}.right-caption{left:auto;right:22px}.legend-dot{border-radius:50%;width:6px;height:6px;margin-left:8px;display:inline-block}.bot-dot{background:var(--gold)}.goal-dot{background:var(--green)}.line-key{border-top:1px dashed #559683;width:14px;margin-left:8px}.transport{background:var(--paper);border-top:1px solid var(--line);align-items:center;gap:8px;padding:16px 20px;display:flex}.primary{background:var(--navy);border-color:var(--navy);color:#fff}.primary:hover{background:#374559}.speed-label{color:var(--muted);align-items:center;gap:6px;margin-left:auto;font-size:10px;display:flex}.speed-label select{background-position:right 8px center;width:64px;min-height:44px;padding-left:10px;padding-right:24px;font-size:12px}.metric-strip{background:var(--paper);border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);gap:10px;padding:18px 22px;display:grid}.metric-strip>div{border-right:1px solid var(--line);padding-left:12px}.metric-strip>div:first-child{padding-left:0}.metric-strip>div:last-child{border:0}.metric-strip span{letter-spacing:.07em;color:var(--muted);font-size:8px;line-height:1.5;display:block}.metric-strip strong{letter-spacing:-.04em;margin-top:8px;font-size:23px;font-weight:450;display:block}.metric-strip small{color:var(--muted);letter-spacing:0;font-size:11px}.floor-help{color:var(--muted);background:var(--paper);margin:0;padding:0 22px 18px;font-size:10px;line-height:1.6}.tools{border-left:1px solid var(--line);padding:24px 20px}.tool-tabs{gap:6px;margin:16px 0 18px;display:flex}.tool-tabs button{flex:1}.tool-tabs button.active{border-color:var(--gold);color:#775316;background:#f8f1e2}label:not(.check):not(.speed-label){color:#555b61;margin:15px 0;font-size:11px;display:block}select{appearance:none;background:var(--ivory) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23697078' stroke-width='1.4'/%3E%3C/svg%3E") no-repeat right 16px center;width:100%;color:var(--ink);border:1px solid var(--line);border-radius:var(--field-radius);min-height:50px;margin-top:8px;padding:10px 40px 10px 12px;font-size:13px;display:block;box-shadow:0 1px 2px #16161a12}.range-label{flex-wrap:wrap;justify-content:space-between;gap:12px;display:flex!important}.range-label output{font-variant-numeric:tabular-nums;color:var(--ink)}input[type=range]{width:100%;height:20px;accent-color:var(--gold);margin:0}input[type=checkbox]{accent-color:var(--gold);flex-shrink:0;width:17px;height:17px;margin:0}.height-diagram{min-height:38px;color:var(--muted);align-items:center;gap:10px;font-size:10px;display:flex;position:relative}.height-bar{background:#e4d0a5;border:1px solid #bfa264;width:28px;height:20px;box-shadow:3px 3px #d4c6a7}.divider{border-top:1px solid var(--line);margin:22px 0}.check{align-items:center;gap:9px;margin:14px 0;font-size:11px;line-height:1.5;display:flex}.outline{color:#775316;border-color:#cbb78f;width:100%;margin-top:7px}.learning-card{background:#f4f2ec;border-radius:7px;margin-top:16px;padding:14px 12px}.learning-card>div:first-child{align-items:center;gap:7px;display:flex}.learning-card strong{font-size:11px;font-weight:550}.learning-card p{color:var(--muted);min-height:30px;margin:8px 0;font-size:10px;line-height:1.6}.learning-card small{color:#656b70;margin-top:9px;font-size:8px;line-height:1.5;display:block}.learning-track{background:#e2ded4;border-radius:5px;height:3px}.learning-track span{background:var(--gold);width:0;height:100%;display:block}.below{grid-template-columns:1fr 1fr;gap:32px;margin:28px 0;display:grid}.readout,.activity{min-width:0;padding:0 4px}.readout .section-label,.activity .section-label{justify-content:space-between}.readout>p{color:var(--muted);font-size:10px;line-height:1.6}.sensor-row{border-bottom:1px solid var(--line);color:#5c646b;grid-template-columns:45px 1fr 1fr 70px;gap:12px;padding:10px 0;font-size:11px;display:grid}.sensor-row b{color:var(--ink);font-weight:500}.sensor-row .blocked{color:#99502b}.activity>p{min-height:45px;margin:20px 0;font-size:13px;line-height:1.7}.utility{flex-wrap:wrap;gap:7px;display:flex}.utility button{font-size:11px}#manual{padding-bottom:14px;font-size:12px}#manual-buttons{flex-wrap:wrap;gap:5px;margin:10px 0;display:flex}#manual small{color:var(--muted);line-height:1.6;display:block}.method{border-top:1px solid var(--line);color:var(--muted);margin-top:18px;padding:22px 0;font-size:12px}summary{cursor:pointer;color:var(--ink);padding:10px 0;font-size:13px;font-weight:500}.method>div{max-width:860px;line-height:1.8}.comparison-top{justify-content:space-between;align-items:center;gap:15px;display:flex}#comparison{border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:24px}h2{letter-spacing:-.03em;font-size:23px;font-weight:500}#comparison>p{color:var(--muted);font-size:12px;line-height:1.7}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:13px 10px}th{color:var(--muted);font-size:10px;font-weight:500}footer{border-top:1px solid var(--line);letter-spacing:.08em;color:var(--muted);justify-content:space-between;gap:20px;padding:25px 3.5%;font-size:9px;display:flex}footer b{color:var(--gold);margin:0 10px;font-weight:400}[hidden]{display:none!important}@media (width>=1500px){.lab{grid-template-columns:210px minmax(0,1fr) 270px}}@media (width<=1150px){.lab{grid-template-columns:160px minmax(0,1fr)}.tools{border-left:0;border-top:1px solid var(--line);grid-column:1/-1;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 24px;display:grid}.tools>.section-label{grid-column:1/-1}.tools>.divider{grid-column:1/-1;margin:10px 0}.learning-card{grid-column:2/4;margin:0}.intro-note{margin:0}.scenarios{padding:20px 10px}.scenario-btn{padding:13px 7px;font-size:12px}.scenario-icon{width:23px}.tools label:not(.check){margin:8px 0}.stage-wrap{min-height:360px}}@media (width<=680px){header{height:68px;padding:0 20px}.brand{gap:15px}.brand img{width:120px}.brand>span{padding-left:15px;font-size:9px}.header-right{font-size:8px}.version{display:none}main{padding:30px 16px 20px}.intro{margin-bottom:24px}.intro-note{display:none}.eyebrow{font-size:9px}h1{font-size:42px}.intro p{font-size:12px}.lab{grid-template-columns:1fr}.scenarios{border:0;padding:14px 12px 8px}.scenarios>.section-label{font-size:9px}#scenario-list{gap:7px;padding:12px 0 8px;display:flex;overflow-x:auto}.scenario-btn,.scenario-btn:first-child{text-align:center;border-color:var(--line);flex-direction:column;flex-shrink:0;justify-content:center;gap:5px;width:auto;min-width:82px;min-height:74px;margin:0;padding:10px 12px;font-size:10px}.scenario-btn small{display:none}.scenario-icon{font-size:22px}.mission{align-items:center;gap:12px;margin:4px 0 12px;padding:10px 0 0;display:flex}.mission>.section-label,.scenario-foot{display:none}.mission p{flex:1;margin:0;font-size:10px}.body-label{font-size:7px}.body-label strong{margin-top:3px;font-size:16px}.stage-header{padding:14px 16px}.scene-meta{font-size:9px}.stage-wrap{min-height:280px}#scene{min-height:270px}.scene-caption{gap:5px;font-size:7px;bottom:12px;left:12px}.right-caption{left:auto;right:12px}.transport{flex-wrap:wrap;gap:5px;padding:12px}.transport>button{padding:10px;font-size:11px}.speed-label{font-size:9px}.speed-label select{width:57px;margin:0;font-size:11px}.metric-strip{gap:5px;padding:16px 12px}.metric-strip>div{padding-left:8px}.metric-strip span{font-size:7px}.metric-strip strong{font-size:20px}.floor-help{padding:0 12px 14px;font-size:9px}.tools{grid-template-columns:1fr 1fr;gap:12px;padding:20px 16px}.tools>.section-label{grid-column:1/-1}.tools .tool-tabs{grid-column:1/-1;margin:0}.tools>label:first-of-type,.tools>label:has(#controller),.tools>.height-diagram{grid-column:1/-1}.check{margin:8px 0;font-size:10px}.learning-card,.outline{grid-column:1/-1}.tools select{font-size:16px}.tools .check:last-of-type{grid-column:1/-1}.below{grid-template-columns:1fr;gap:24px;margin:24px 0}.section-label>span{font-size:8px}footer{flex-direction:column;gap:12px;padding:20px 16px;font-size:8px}.comparison-top{align-items:flex-start}h2{margin-top:8px;font-size:20px}#comparison{padding:16px}.sensor-row{gap:7px}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}@media (forced-colors:active){select{appearance:auto;background-image:none}}.scenarios,.tools{min-width:0}@media (width<=680px){.lab{grid-template-columns:minmax(0,1fr)}.tools{grid-template-columns:repeat(2,minmax(0,1fr))}.tools .check,.tools button{min-width:0}.stage-wrap{width:100%}.scene-caption,.right-caption{font-size:6px}}.tile-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.tile-controls label{margin:8px 0!important}.tile-controls input{border:1px solid var(--line);background:var(--ivory);border-radius:6px;width:100%;min-width:0;min-height:50px;margin-top:8px;padding:10px;font-size:16px}.tile-controls button{grid-column:1/-1;font-size:11px}.check{min-height:32px}input[type=range]{height:32px}@media (width<=1150px){.tile-controls{grid-column:1/-1;grid-template-columns:1fr 1fr 2fr;align-items:end}.tile-controls button{grid-column:auto;margin-bottom:8px}}@media (width<=680px){.tile-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.tile-controls button{grid-column:1/-1}.check{min-height:44px}input[type=range]{height:44px}}