@import url('../atlas-navigation.css');
:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color-scheme:dark;background:#080f19;color:#f4f3ee;--line:#344456;--muted:#b4c2ce;--accent:#f7bd79}*{box-sizing:border-box}body{margin:0}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit;color:inherit}button,select{border:1px solid var(--line);border-radius:8px;background:#142334;padding:10px 12px}button{cursor:pointer}button:hover{background:#23394e}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled,select:disabled{opacity:.5}.primary{color:#201509;background:var(--accent);border-color:var(--accent);font-weight:750}.primary:hover{background:#ffcd96}[hidden]{display:none!important}#app{max-width:1480px;margin:auto;padding:22px 28px 48px}.nav{display:flex;gap:18px;align-items:center;font-size:12px}.nav span{color:var(--muted)}.nav #page-language{margin-left:auto}header{display:flex;justify-content:space-between;align-items:end;gap:30px;margin:28px 0 22px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.15em;color:var(--accent)}h1{font-size:clamp(32px,4vw,56px);line-height:1.04;letter-spacing:-.055em;margin:12px 0 0}header p{max-width:400px;color:var(--muted);font-size:14px;line-height:1.7;margin:0}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#102032;position:sticky;top:0;z-index:3}.metrics article{padding:15px 18px;border-right:1px solid var(--line);min-width:0}.metrics article:last-child{border:0}.metrics strong{display:block;color:#ffd3a0;font-size:clamp(19px,2.3vw,30px);line-height:1.15;margin-bottom:7px}.metrics span{color:var(--muted);font-size:11px;line-height:1.4;display:block}.engine-chart{border:1px solid var(--line);border-radius:10px;background:#0e1925;padding:10px 14px;margin:10px 0}.chart-key{display:flex;justify-content:space-between;gap:12px;font-size:11px;margin-bottom:9px}.chart-key span{color:var(--accent)}.burn-row{display:grid;grid-template-columns:95px 1fr;gap:8px;align-items:center;margin:5px 0;font-size:11px;color:var(--muted)}.burn-cells{display:flex;height:8px;gap:1px}.burn-cells i{flex:1;min-width:0;background:#526477}.burn-cells i.on{background:#ffb465}.burn-cells i.future{background:#202e3a}.engine-chart>small{display:block;font-size:10px;color:#8ea3b3;margin-top:8px}.scenario{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:18px 0}.scenario>span{color:#a9c6d8;font-size:12px}.forms{display:flex;gap:6px}.forms button[aria-pressed=true]{background:var(--accent);color:#201509}.scenario label,.actions label{font-size:11px;display:flex;gap:9px;align-items:center}.chapters{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin:14px 0}.chapters button{display:flex;gap:10px;text-align:left;align-items:center;font-size:12px;min-width:0}.chapters small{color:var(--accent);font:11px ui-monospace,monospace}.chapters button[aria-current=step]{border-color:var(--accent);background:#23334a}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:18px}.stage{position:relative;min-height:560px;border:1px solid var(--line);border-radius:14px;background:#0b1725;overflow:hidden}#space{width:100%;height:560px;touch-action:none}#space canvas{display:block}.scene-heading{position:absolute;left:16px;right:16px;top:14px;display:flex;gap:15px;justify-content:space-between;pointer-events:none;text-shadow:0 2px 8px #000}.scene-heading b{font-size:12px;color:#ffe0b1}.scene-heading span{max-width:250px;text-align:right;font-size:10px;color:#dae6ee}.view-controls{position:absolute;bottom:38px;left:14px;right:14px;display:flex;gap:6px;flex-wrap:wrap}.view-controls button{font-size:11px;padding:7px 9px;background:#102032e8}.camera-help{position:absolute;left:16px;bottom:13px;font-size:10px;color:#d0e0eb;text-shadow:0 1px 5px #000}#loading{position:absolute;top:40%;left:15%;right:15%;text-align:center;background:#142334;padding:15px;border-radius:10px}aside{border:1px solid var(--line);border-radius:14px;padding:23px;background:#0f1c2a;align-self:start}aside h2{font-size:24px;letter-spacing:-.035em;line-height:1.14;margin:12px 0}aside p{font-size:13px;line-height:1.7;color:var(--muted)}.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.actions button{font-size:12px}.check{display:flex;gap:8px;align-items:center;font-size:11px;color:#bdd0de;margin-top:16px}.check input{accent-color:var(--accent)}.mechanism{border-left:2px solid #70cacc;padding-left:12px;color:#cde8ed!important}.read-along{border-top:1px solid var(--line);padding-top:12px;color:#bdd0de;font-size:12px}.read-along summary{cursor:pointer}.read-along p{max-height:280px;overflow-y:auto}.lab{border:1px solid var(--line);border-radius:12px;background:#102032;padding:20px;margin:20px 0}.lab-heading{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:15px}.lab-heading>span:last-child{font-size:11px;color:var(--muted)}.experiment-timeline{display:block;margin-top:16px;font-size:12px;color:#c6d9e7}.experiment-timeline input{width:100%;display:block;margin:10px 0;accent-color:var(--accent)}.experiment-note,#outcome{font-size:12px;line-height:1.6;color:var(--muted);margin:13px 0 0}.principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:25px 0}.principles article{background:#0f1c2a;border:1px solid var(--line);border-radius:12px;padding:20px}.principles h3{font-size:22px;color:#ffd3a0;margin:12px 0}.principles p{font-size:13px;color:var(--muted);line-height:1.7;margin:0}.sources{border-top:1px solid var(--line);padding-top:18px;font-size:13px;color:var(--muted);line-height:1.7}.sources summary{cursor:pointer;color:#dbe6ee}.sources>div{display:flex;flex-wrap:wrap;gap:18px}.sources a{font-size:12px}
@media(max-width:1100px){.layout{grid-template-columns:minmax(0,1fr) 260px}aside{padding:18px}.view-controls{max-width:95%}.view-controls button{font-size:10px;padding:7px}}@media(max-width:850px){.layout{grid-template-columns:1fr}.principles{grid-template-columns:1fr}.stage,#space{height:500px;min-height:500px}header{display:block}header p{max-width:100%;margin-top:16px}.chapters button{font-size:11px;padding:9px}.read-along p{max-height:none}}@media(max-width:600px){#app{padding:16px 12px 35px}.nav{font-size:10px;gap:12px}.nav>a:nth-last-child(2){display:none}h1{font-size:39px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr));border-radius:9px}.metrics article{padding:10px 12px;border-bottom:1px solid var(--line)}.metrics article:nth-child(2){border-right:0}.metrics article:nth-child(n+3){border-bottom:0}.metrics strong{font-size:23px}.metrics span{font-size:10px}.chart-key b{max-width:160px}.chart-key span{max-width:140px;text-align:right}.burn-row{grid-template-columns:80px 1fr;font-size:10px}.scenario{gap:10px;margin:12px 0}.scenario label{font-size:10px}.scenario select{font-size:11px;padding:8px}.scenario>span{font-size:10px}.chapters{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.chapters button{font-size:11px;min-height:47px}.stage,#space{height:430px;min-height:430px}.scene-heading span{max-width:160px;font-size:9px}.view-controls{bottom:40px;gap:5px;left:10px;right:10px}.view-controls button{padding:6px;font-size:10px}.camera-help{left:11px;font-size:9px}aside{padding:20px}aside h2{font-size:25px}.lab{padding:16px}.lab-heading{display:block}.lab-heading>span:last-child{display:block;margin-top:8px}.actions label{width:100%;margin-top:5px}.engine-chart{padding:10px}.sources{font-size:12px}}
.stage,.lab{scroll-margin-top:calc(var(--metrics-height,88px) + 12px)}@media(max-width:600px){.stage,.lab{scroll-margin-top:calc(var(--metrics-height,148px) + 12px)}}

.burn-cells{position:relative}.burn-cursor{position:absolute;top:-3px;bottom:-3px;width:2px;background:#a0f4f0;pointer-events:none}.burn-axis{display:flex;justify-content:space-between;margin:7px 0 0 103px;font:9px ui-monospace,monospace;color:#8ea3b3}@media(max-width:600px){.burn-axis{margin-left:88px}}