@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{color-scheme:dark;--bg:#090e15;--panel:#101720;--line:#24303d;--muted:#96a7b9;--ink:#edf2f7;--accent:#ff885c;--font:'DM Sans',Arial,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px}button,a,input{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;border:1px solid var(--line);background:#15202c;border-radius:5px;min-height:38px;padding:8px 12px;transition:background .18s,border-color .18s}button:hover{background:#24313f;border-color:#56677a}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:4px}button:disabled{opacity:.35;cursor:default}a{color:inherit}button.active,button[aria-pressed=true]{background:#263747;border-color:#667f94}.topbar{height:70px;padding:0 32px;display:flex;align-items:center;gap:28px;border-bottom:1px solid var(--line);background:#0c121b}.brand{text-decoration:none;font-size:14px;font-weight:700;letter-spacing:.13em;display:flex;align-items:center;gap:12px}.brand-mark{color:var(--accent);font-size:34px;line-height:1}.edition{font-size:12px;letter-spacing:.15em;color:var(--muted)}.edition span{margin-left:14px;color:var(--accent)}.quiet{background:transparent;border-color:transparent;color:var(--muted)}.topbar>.quiet{margin-left:auto;font-size:14px}main{display:grid;grid-template-columns:minmax(0,1fr) 330px;height:calc(100dvh - 70px);min-height:760px}.workspace{position:relative;overflow:hidden;min-width:0;background:radial-gradient(ellipse at 53% 45%,#1a2b40 0,#101a28 35%,#090e15 75%)}.intro{position:absolute;top:32px;left:36px;z-index:2;pointer-events:none}.eyebrow{font-size:12px;letter-spacing:.18em;color:var(--accent);font-weight:600;margin:0 0 10px}h1{font-family:'Barlow Condensed','Arial Narrow',sans-serif;font-size:clamp(40px,4.4vw,66px);line-height:1;margin:0 0 12px;font-weight:600;letter-spacing:-.01em}h1 span{color:var(--accent)}.subtitle{font-size:14px;color:var(--muted);margin:0}.view-tabs{position:absolute;z-index:3;top:40px;right:28px;display:flex;gap:4px;padding:4px;background:#0b111bdd;border:1px solid var(--line);border-radius:8px}.view-tabs button{border:none;background:transparent;font-size:14px}.view-tabs button.active{background:#2b3d50}#viewport{position:absolute;inset:85px 0 190px;outline-offset:-5px;touch-action:none}#viewport canvas{display:block;width:100%;height:100%}#labels{position:absolute;inset:0;pointer-events:none;z-index:2}.model-label{position:absolute;color:#dfebf5;font-size:12px;background:#101923d9;border:1px solid #435369;border-left:2px solid var(--accent);padding:5px 8px;border-radius:2px;white-space:nowrap;transform:translate(-50%,-50%);opacity:0}.loading{position:absolute;inset:0;display:flex;justify-content:center;align-items:center;flex-direction:column;gap:14px;z-index:5;background:#0b121dea}.loading[hidden]{display:none}.loading span:last-child{font-size:14px;color:var(--muted)}.spinner{width:30px;height:30px;border:2px solid #304154;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.viewport-tools{position:absolute;top:175px;left:36px;display:flex;gap:6px;z-index:3}.viewport-tools button{font-size:12px;min-height:32px;padding:5px 9px;background:#111c28c9}.camera-tools{position:absolute;right:24px;top:160px;display:flex;flex-direction:column;gap:5px;z-index:3}.camera-tools button{width:44px;padding:8px 3px;font-size:13px;background:#121d2acf}.scene-note{position:absolute;bottom:215px;left:36px;right:30px;display:flex;justify-content:space-between;gap:12px;pointer-events:none;color:#788fa6;font-size:11px;letter-spacing:.13em}.scene-note span:first-child{color:#bdcddd}.explode-panel{position:absolute;left:30px;right:30px;bottom:24px;padding:20px 24px 18px;border:1px solid #364556;border-radius:10px;background:linear-gradient(120deg,#1b2837ee,#101923ee);box-shadow:0 16px 36px #0004;z-index:3}.explode-heading{display:flex;justify-content:space-between;margin-bottom:12px}.explode-heading label{font-size:15px;font-weight:600}.explode-heading output{font-size:14px;color:var(--accent);font-variant-numeric:tabular-nums}input[type=range]{width:100%;height:6px;accent-color:var(--accent);cursor:pointer;margin:8px 0 12px}.range-ends{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:15px}.explode-actions{display:flex;align-items:center;gap:10px}.explode-actions button{font-size:14px}.primary{background:var(--accent);border-color:var(--accent);color:#1b1714;font-weight:700}.primary:hover{background:#ffa27d}.primary span{padding-left:10px}.gesture{margin-left:auto;color:#8da1b6;font-size:12px}.inspector{border-left:1px solid var(--line);background:linear-gradient(#121b26,#0d141e);overflow:auto;padding:26px 22px 20px;scrollbar-width:thin}.panel-title{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;font-weight:600;letter-spacing:.14em;margin-bottom:15px}.panel-title>span:last-child{font-variant-numeric:tabular-nums;color:#5d748b}.component-list{display:grid;gap:4px}.component-row{display:flex;align-items:center;width:100%;text-align:left;background:transparent;border-color:transparent;min-height:42px;padding:9px 11px;font-size:14px;gap:12px}.component-row .num{font-family:monospace;font-size:12px;color:#6a839c}.component-row .arrow{margin-left:auto;color:#607b96}.component-row.active{background:#263747;border-color:#455c72}.component-row.active .num,.component-row.active .arrow{color:var(--accent)}.component-row:disabled{display:none}.detail{border-top:1px solid var(--line);padding-top:22px;margin-top:22px}.detail h2{font-family:'Barlow Condensed',sans-serif;font-size:30px;font-weight:500;margin:0 0 10px;line-height:1.1}.detail>p:not(.eyebrow){font-size:14px;line-height:1.7;color:#b4c2cf;margin:0 0 15px}.detail-actions{display:flex;gap:7px}.detail-actions button{font-size:13px;min-height:32px;padding:5px 10px}.fact{display:flex;justify-content:space-between;gap:10px;border-top:1px solid var(--line);padding:15px 0 0;margin:18px 0 0}.fact span{color:var(--muted);font-size:11px;letter-spacing:.1em}.fact strong{font-size:13px;font-weight:500}.mechanisms{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.mechanism{display:flex;align-items:center;width:100%;padding:12px 0;border:none;border-radius:0;border-bottom:1px solid #24303d;background:transparent!important;text-align:left;gap:8px}.mechanism strong{display:block;font-weight:500;font-size:14px}.mechanism small{display:block;color:var(--muted);font-size:12px;margin-top:6px;line-height:1.5}.toggle{margin-left:auto;flex-shrink:0;width:30px;height:18px;border-radius:12px;background:#334357;padding:3px}.toggle:after{content:'';display:block;width:12px;height:12px;border-radius:50%;background:#97a9bc;transition:transform .2s}.mechanism[aria-pressed=true] .toggle{background:#84492f}.mechanism[aria-pressed=true] .toggle:after{background:var(--accent);transform:translateX(12px)}.small-note,.sidebar-footer{font-size:12px;line-height:1.65;color:#8194a8}.small-note{margin-top:14px}.sidebar-footer{margin-top:24px;border-top:1px solid var(--line);padding-top:16px}dialog{max-width:620px;width:calc(100% - 36px);border:1px solid #455a6c;background:#111b28;color:var(--ink);padding:32px;border-radius:12px;max-height:85dvh;box-shadow:0 30px 100px #0009}dialog::backdrop{background:#03080dc9;backdrop-filter:blur(5px)}dialog h2{font-family:'Barlow Condensed',sans-serif;font-size:36px;margin:8px 0 20px}dialog p,dialog li{font-size:15px;line-height:1.7;color:#bdcbd8}dialog h3{font-size:15px}dialog a{color:#ffc0a6}dialog .close{float:right;background:none;border:none;font-size:25px;padding:0 8px;min-height:25px}dialog ul{padding-left:20px}@media(min-width:1600px){main{grid-template-columns:minmax(0,1fr) 370px}.inspector{padding:30px}.component-row{min-height:46px}.detail>p:not(.eyebrow){font-size:15px}}@media(max-width:1100px){.view-tabs{top:135px;right:23px}.viewport-tools{top:178px}.camera-tools{top:220px}.gesture{display:none}.edition{display:none}h1{font-size:52px}.intro{left:26px}}@media(max-width:900px){.topbar{height:58px;padding:0 18px;gap:8px}.brand{font-size:11px;letter-spacing:.1em}.brand-mark{font-size:27px}.topbar>.quiet{font-size:12px;padding:6px}main{display:block;height:auto;min-height:0}.workspace{height:760px;min-height:650px}.intro{top:24px;left:22px}h1{font-size:48px}.subtitle{font-size:13px}.view-tabs{top:144px;left:20px;right:auto}.viewport-tools{top:201px;left:20px}.camera-tools{top:145px;right:18px}#viewport{inset:175px 0 190px}.scene-note{left:20px;bottom:201px;font-size:10px}.scene-note span:last-child{display:none}.explode-panel{left:16px;right:16px;bottom:18px;padding:16px}.inspector{border-left:0;border-top:1px solid var(--line);padding:24px}.component-list{grid-template-columns:1fr 1fr}.component-row{font-size:13px;padding:8px 6px;gap:7px}.detail{margin-top:20px}.detail>p:not(.eyebrow){font-size:16px}.mechanism small{font-size:14px}.model-label{font-size:11px;padding:4px}.mechanisms{margin-top:24px}.sidebar-footer{margin-top:20px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.spinner{animation:none}}
@media(max-width:900px){.viewport-tools{right:20px;flex-wrap:wrap}.viewport-tools button{font-size:13px;padding:7px 10px}}

@media(max-width:1250px){.view-tabs{top:135px;right:23px}.viewport-tools{top:190px}.camera-tools{top:245px}}
@media(max-width:900px){.view-tabs{top:140px;left:20px;right:20px;justify-content:space-between}.view-tabs button{font-size:13px;padding:8px}.viewport-tools{top:200px}.camera-tools{top:265px}}

[hidden]{display:none!important}.cabin-controls{position:absolute;bottom:24px;left:30px;right:30px;z-index:3;padding:20px 24px;border:1px solid #496072;border-radius:10px;background:linear-gradient(120deg,#1b2837f5,#101923f5)}.cabin-tabs{display:flex;gap:7px;flex-wrap:wrap}.cabin-tabs button{font-size:14px}.cabin-tabs button:last-child{margin-left:auto}.cabin-controls p{font-size:14px;color:#d6e0e9;margin:12px 0 7px}.cabin-controls small{font-size:11px;color:#91a7bb}@media(max-width:900px){.cabin-controls{left:16px;right:16px;bottom:18px;padding:14px}.cabin-tabs{gap:5px}.cabin-tabs button{font-size:12px;padding:7px}.cabin-tabs button:last-child{margin-left:0}.cabin-controls p{font-size:12px}.cabin-controls small{font-size:10px}}

.workspace.inspecting #viewport{inset:220px 16px 215px}.workspace.inspecting .scene-note{bottom:205px}.workspace.inspecting .camera-tools{top:270px}@media(max-width:900px){.workspace.inspecting #viewport{inset:260px 12px 220px}.workspace.inspecting .camera-tools{top:275px}}

.engine-picker{display:flex;align-items:center;gap:9px;margin-top:12px}.engine-picker label{font-size:14px;color:var(--muted)}.engine-picker select{flex:1;min-width:0;background:#111c28;color:var(--ink);border:1px solid #526777;border-radius:5px;font:inherit;font-size:14px;padding:8px}.engine-picker button{font-size:14px}.engine-controls p{line-height:1.5;font-size:14px;min-height:42px}.engine-controls small{font-size:12px}.workspace.engine-inspecting #viewport{bottom:290px}.workspace.engine-inspecting .scene-note{bottom:278px}.viewport-tools{flex-wrap:wrap;right:80px}.engine-controls{padding:16px 20px}.engine-controls .cabin-tabs button{font-size:14px}@media(max-width:900px){.workspace.engine-inspecting{height:900px}.workspace.engine-inspecting #viewport{top:300px;bottom:305px}.workspace.engine-inspecting .scene-note{bottom:291px}.engine-controls{padding:14px}.engine-controls .cabin-tabs button{font-size:13px}.engine-controls p{font-size:14px}.engine-picker{flex-wrap:wrap}.engine-picker select{flex-basis:60%}.viewport-tools{right:20px}}

@media(min-width:481px) and (max-width:900px){.workspace.engine-inspecting{height:760px}.workspace.engine-inspecting #viewport{top:245px;bottom:275px}.workspace.engine-inspecting .scene-note{bottom:261px}}