:root{color-scheme:dark;--navy:#0a1628;--dark:#06101f;--panel:#0c1b2b;--cyan:#00e5e0;--white:#f5f9fb;--muted:#a5bacb;--line:#263a4d;--amber:#efb760;--red:#f48e79}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{font:14px/1.45 "Helvetica Neue",Arial,sans-serif;background:var(--dark);color:var(--white);display:grid;grid-template-rows:76px 66px minmax(0,1fr) 58px}a{color:inherit}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{color:var(--white);background:#10263b;border:1px solid var(--line);padding:10px 13px;min-height:42px;cursor:pointer;border-radius:3px;font-size:12px;font-weight:600}button:hover{background:#18364b;border-color:#5a7a8a}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--cyan);border-color:var(--cyan);color:#042127}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.topbar{display:flex;gap:32px;align-items:center;padding:0 24px;border-top:3px solid var(--cyan);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-size:15px;letter-spacing:.055em;font-weight:800}.brand small{display:block;font-size:8px;letter-spacing:.12em;color:var(--cyan)}.project{border-left:1px solid var(--line);padding-left:28px}.eyebrow{font-size:9px;letter-spacing:.14em;font-weight:700;color:var(--muted)}h1{font-size:18px;margin:3px 0 0;font-weight:600;letter-spacing:-.02em}.concept-tag{font-size:11px;color:var(--amber);margin-left:auto}.back{font-size:12px;text-decoration:none;padding:12px 0}.stage-nav{display:grid;grid-template-columns:repeat(6,1fr);padding:0 20px;border-bottom:1px solid var(--line);background:var(--navy)}.stage-nav button{border:0;border-bottom:3px solid transparent;background:none;border-radius:0;text-align:left;padding:12px 12px;font-size:12px;white-space:nowrap}.stage-nav small{display:block;color:#738d9f;font-size:10px;font-family:Consolas,monospace;margin-bottom:4px}.stage-nav button[aria-current]{color:var(--cyan);border-bottom-color:var(--cyan);background:#102536}.stage-nav button[aria-current] small{color:var(--cyan)}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 340px;min-height:0}.scene-panel{position:relative;min-width:0;overflow:hidden;background:#d1d9da}#viewport{position:absolute;inset:0;outline-offset:-3px}#viewport canvas{display:block;width:100%;height:100%;touch-action:none}.scene-heading{position:absolute;top:22px;left:24px;right:170px;pointer-events:none;color:#132c3b;background:#edf4f0ed;padding:10px 14px;border-radius:3px;width:fit-content;max-width:calc(100% - 190px)}.scene-heading .eyebrow{color:#375566}#terrain-caution{font-size:10px;font-weight:700;color:#6e4921;margin-top:7px}.scene-heading h2{font-size:30px;line-height:1.15;margin:5px 0 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b{font-weight:500;margin-left:12px}.lift-transport{position:absolute;left:24px;right:24px;bottom:18px;background:#071827f5;padding:12px 16px;border:1px solid #49606d;border-radius:5px;box-shadow:0 5px 24px #0002}.transport-top{display:flex;justify-content:space-between;font-size:11px}.transport-top span:first-child{color:var(--cyan)}input[type=range]{accent-color:var(--cyan);width:100%;height:21px;margin:8px 0;cursor:pointer;padding:0;border:0;background:none}.transport-actions{display:flex;gap:8px;align-items:center}.transport-actions button{min-height:36px;padding:6px 12px;font-size:11px}.transport-actions label{display:flex;align-items:center;gap:7px;font-size:10px}.transport-actions .check{margin-left:auto}.transport-actions select{min-height:32px;padding:4px}.inspector{min-height:0;overflow:auto;background:var(--panel);border-left:1px solid var(--line);scrollbar-width:thin;scrollbar-color:#365566 var(--panel)}.inspector-heading{padding:22px 22px 15px}.inspector-heading h2{font-size:25px;letter-spacing:-.035em;margin:6px 0 3px;font-weight:600}.inspector-heading h2 span{font-size:11px;color:var(--muted);font-weight:400;letter-spacing:0}.inspector-heading p{color:var(--muted);font-size:11px;margin:0}.summary-metrics{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 22px;gap:20px}.summary-metrics div+div{border-left:1px solid var(--line);padding-left:20px}.summary-metrics strong{font-size:22px;font-weight:500;display:block;font-variant-numeric:tabular-nums}.summary-metrics span{font-size:9px;color:var(--muted)}.control-section{border-bottom:1px solid var(--line);padding:0 22px 0}.control-section summary{padding:17px 0;cursor:pointer;list-style:none;font-size:12px;font-weight:600;display:flex;justify-content:space-between;align-items:center}.control-section summary:after{content:'+';font-size:18px;color:var(--muted);font-weight:400}.control-section[open] 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var(--line);font-size:11px}.bottom-bar>div{display:flex;gap:12px;align-items:center}.bottom-bar b{font-family:Consolas,monospace;color:var(--cyan);font-size:11px}.bottom-bar p{color:var(--muted);font-size:10px;margin-left:auto}.bottom-bar button{min-height:34px;font-size:11px}.sr-only,.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{width:auto;height:auto;clip-path:none;z-index:99;top:0;left:0;background:var(--dark);padding:10px}#load-status{position:absolute;inset:0;display:flex;gap:12px;align-items:center;justify-content:center;background:#d5dfdd;z-index:5;color:#173848;font-size:13px}#load-status[hidden]{display:none}.loader{width:20px;height:20px;border:2px solid #86a5ac;border-top-color:#126f79;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-state{padding:30px;max-width:500px;line-height:1.7}.noscript{position:fixed;inset:40%;background:var(--dark);padding:20px;z-index:30}@media(min-width:1650px){.workspace{grid-template-columns:minmax(0,1fr) 390px}.inspector-heading,.control-section,.review-section{padding-left:28px;padding-right:28px}}@media(max-width:1100px){.topbar{gap:18px;padding:0 16px}.project{padding-left:18px}.concept-tag span{display:none}.workspace{grid-template-columns:minmax(0,1fr) 310px}.stage-nav{padding:0 8px}.stage-nav button{font-size:10px;padding:10px}.scene-heading{left:18px}.scene-heading h2{font-size:26px}.scene-heading p{max-width:280px}.lift-transport{left:12px;right:12px}.transport-actions{flex-wrap:wrap}.transport-actions .check{margin-left:0}.bottom-bar p{display:none}.bottom-bar>div:last-child{margin-left:auto}}@media(max-width:760px){html,body{overflow:auto;height:auto;min-height:100%}body{display:block}.topbar{min-height:70px;padding:10px 12px;gap:12px;flex-wrap:wrap}.brand{font-size:11px}.brand img{width:28px}.brand small{font-size:6px}.project{padding-left:12px}.project .eyebrow{font-size:7px}h1{font-size:15px}.concept-tag{font-size:9px;margin-left:0}.back{margin-left:auto;font-size:10px}.stage-nav{grid-template-columns:repeat(3,1fr);padding:0;position:relative}.stage-nav button{min-height:54px;font-size:10px;padding:8px 10px}.stage-nav small{display:inline;margin-right:5px}.workspace{display:block}.scene-panel{height:570px;min-height:50vh}.scene-heading{top:18px;left:12px;right:100px;max-width:calc(100% - 112px);padding:9px 10px}.scene-heading h2{font-size:24px}.scene-heading p{font-size:10px}.view-tools{width:83px;right:10px;top:16px}.view-tools button{min-height:37px}.scene-key{bottom:195px;left:12px;font-size:9px;gap:8px}.scene-footer{bottom:170px;left:12px;font-size:8px}.scene-footer>span:last-child{display:none}.lift-transport{padding:10px;bottom:14px}.transport-actions button{min-height:44px}.transport-actions select{min-height:40px}.transport-actions .check{min-height:30px;margin-left:auto}.inspector{border-left:0;overflow:visible}.inspector-heading{padding:18px 22px}.control-section summary{min-height:54px}button{min-height:44px}input:not([type=range]):not([type=checkbox]),select{min-height:44px}.bottom-bar{position:sticky;bottom:0;background:var(--dark);z-index:10;min-height:60px;padding:8px 12px;gap:10px}.bottom-bar #stage-caption{display:none}.bottom-bar button{min-height:44px;font-size:10px;padding:8px}.summary-metrics{padding:12px 22px}.fields{gap:14px}.transport-actions{gap:6px}}@media(prefers-reduced-motion:reduce){.loader{animation:none}}