@font-face{font-family:Interface;src:local('Arial')}
:root{color-scheme:dark;--bg:#0c1119;--panel:#0e141e;--fg:#eff3f7;--muted:#a0aab8;--line:#27303d;--subtle:#6f7d90;--accent:#c7dcf0}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Interface,Arial,sans-serif;background:var(--bg);color:var(--fg)}body{height:100dvh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a,input{touch-action:manipulation}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid #99cfff;outline-offset:5px}header{min-height:84px;display:flex;align-items:center;padding:0 38px;border-bottom:1px solid var(--line);gap:60px;z-index:2}.wordmark{font-size:21px;letter-spacing:4.7px;font-weight:800;line-height:1.1}.wordmark span{display:block;font-size:10px;letter-spacing:5.6px;margin-top:7px;font-weight:500}.breadcrumb{font-size:12px;letter-spacing:2px;color:var(--muted)}.breadcrumb span{margin:0 18px;color:var(--subtle)}.download{margin-left:auto;display:inline-flex;align-items:center;gap:12px;padding:13px 18px;background:#e2eaf1;color:#141e2b;font-size:14px;font-weight:600;border:1px solid #e2eaf1;transition:background .2s}.download:hover{background:white}.download svg{width:18px;height:18px}main{display:grid;grid-template-columns:minmax(0,1fr) 304px;flex:1;min-height:590px}.viewer{position:relative;overflow:hidden;min-height:590px;isolation:isolate}#canvas-wrap{position:absolute;inset:0}#canvas{display:block;width:100%;height:100%;touch-action:none}.product-title{position:absolute;top:37px;left:38px;pointer-events:none;z-index:1}.eyebrow{font-size:11px;letter-spacing:2.1px;color:var(--muted)}.eyebrow>span{margin-left:27px;color:var(--subtle)}h1{font-weight:500;font-size:clamp(48px,4.7vw,77px);letter-spacing:-4px;line-height:1.03;margin:17px 0 8px}h1 span{color:#8391a3;font-weight:300;font-size:.8em;vertical-align:7%}.product-title p{font-size:14px;color:var(--muted);margin:0;letter-spacing:.2px}aside{padding:30px 24px;border-left:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column}.panel-heading{font-size:11px;letter-spacing:1.65px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);padding:10px 0 25px}.small-cross{font-size:23px;font-weight:300;color:var(--subtle)}.parts{border-top:1px solid var(--line)}.part{width:100%;display:flex;align-items:center;gap:12px;text-align:left;border:none;border-bottom:1px solid var(--line);background:none;padding:19px 0;transition:background .2s}.part:hover,.part[aria-pressed=true]{background:#172333}.part-num{font-size:11px;color:var(--subtle);align-self:flex-start;line-height:19px;letter-spacing:1px}.part strong{font-size:14px;font-weight:500;display:block;margin-bottom:6px}.part small{font-size:12px;color:var(--muted);display:block;line-height:1.45}.detail-arrow{margin-left:auto;font-size:18px;color:var(--subtle)}.part:hover .detail-arrow{color:var(--fg)}.display-settings{padding:23px 0 20px}.setting-row{display:flex;justify-content:space-between;align-items:center;min-height:41px;font-size:14px;color:var(--muted)}.switch{width:33px;height:19px;border:1px solid #485469;background:#1a2432;border-radius:20px;padding:3px;display:flex;align-items:center}.switch span{display:block;width:11px;height:11px;background:#8a97aa;border-radius:50%;transition:transform .18s,background .18s}.switch[aria-checked=true]{background:#afcce5;border-color:#afcce5}.switch[aria-checked=true] span{transform:translateX(13px);background:#112438}.studio-options{display:flex;border:1px solid var(--line);padding:2px}.studio-options button{border:0;background:none;padding:5px 9px;font-size:12px;color:var(--muted)}.studio-options button[aria-pressed=true]{color:var(--fg);background:#253143}.reset{font-size:13px;background:none;border:0;padding:13px 0;color:var(--muted)}.reset span{font-size:20px;margin-right:9px;vertical-align:-1px}.reset:hover{color:var(--fg)}.reference{margin-top:auto;border-top:1px solid var(--line);padding-top:22px}.reference .eyebrow{font-size:10px}.reference a{display:block;font-size:12px;line-height:1.6;margin:11px 0 8px}.reference a span{float:right;color:var(--muted)}.reference p{font-size:12px;line-height:1.65;color:#8391a3;margin:0}.view-label{position:absolute;left:38px;bottom:106px;display:flex;gap:13px;align-items:center;font-size:12px;pointer-events:none}.view-label>span:first-child{font-size:10px;color:var(--subtle);border:1px solid var(--line);padding:4px 6px}.view-label>span:last-child{color:var(--muted);letter-spacing:.5px}.view-controls{position:absolute;left:50%;transform:translateX(-50%);bottom:54px;display:flex;background:rgba(16,23,34,.9);border:1px solid #344152;padding:4px;backdrop-filter:blur(15px);white-space:nowrap;max-width:calc(100% - 40px)}.view-controls button{border:0;background:none;font-size:13px;color:#a9b6c8;padding:12px 17px;transition:background .2s,color .2s}.view-controls button[aria-pressed=true]{background:#dce8f2;color:#192434}.view-controls button:hover:not([aria-pressed=true]){background:#27364a;color:white}.gesture-hint{position:absolute;bottom:18px;width:100%;text-align:center;color:var(--subtle);font-size:11px;letter-spacing:.3px;pointer-events:none;margin:0}.gesture-hint span{padding:0 12px}footer{min-height:43px;border-top:1px solid var(--line);padding:0 38px;display:flex;align-items:center;justify-content:space-between;font-size:10px;letter-spacing:1.5px;color:var(--subtle);gap:15px}.footer-slash{padding:0 14px}footer a{letter-spacing:.3px;font-size:11px}#loading{position:absolute;top:52%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:14px;background:var(--bg);padding:25px 40px;pointer-events:none;min-width:250px}#loading strong{font-size:14px;font-weight:500;letter-spacing:1px}#loading small{font-size:12px;color:var(--muted)}.loader-line{width:140px;height:1px;background:#65758b;position:relative;overflow:hidden}.loader-line:after{content:'';position:absolute;inset:0;background:#d2e6fa;animation:load 1.3s infinite;transform:translateX(-100%)}@keyframes load{to{transform:translateX(100%)}}[hidden]{display:none!important}.load-error{position:absolute;left:10%;right:10%;top:35%;padding:30px;background:var(--panel);border:1px solid var(--line);max-width:500px;margin:auto}.load-error h2{font-size:20px;font-weight:500}.load-error p{font-size:14px;line-height:1.6;color:var(--muted)}.load-error button{padding:10px 18px;border:1px solid var(--line);background:#27364a}body.light{--bg:#d9e0e6;--fg:#182736;--muted:#405569;--subtle:#52687c;--line:#afbdc9;--panel:#e5ebef}body.light .part:hover,body.light .part[aria-pressed=true]{background:#d3dfe9}body.light .studio-options button[aria-pressed=true]{color:white}.light .reference p{color:#50667b}.light .product-title h1 span{color:#627e94}
@media(min-width:1700px){main{grid-template-columns:minmax(0,1fr) 340px}aside{padding:35px 30px}.part{padding:23px 0}}@media(max-width:1050px){header{padding:0 24px;gap:35px}main{grid-template-columns:minmax(0,1fr) 268px}aside{padding:24px 19px}.product-title{left:25px;top:29px}.view-label{left:25px}.view-controls button{padding:11px 12px}.part small{font-size:11px}.part{gap:8px}.part-num{font-size:10px}.wordmark{font-size:18px}.breadcrumb{font-size:10px;letter-spacing:1px}.download{padding:12px}.download svg{width:16px}}
@media(max-width:760px){body{height:auto;min-height:100dvh}header{min-height:73px;padding:0 20px;gap:0}.wordmark{font-size:16px;letter-spacing:3px}.wordmark span{font-size:8px;letter-spacing:4px}.breadcrumb{display:none}.download{font-size:12px;gap:8px;padding:10px 11px}main{display:flex;flex-direction:column;min-height:0}.viewer{min-height:600px;height:72dvh;max-height:780px}.product-title{top:26px;left:22px}h1{font-size:55px;letter-spacing:-3px}.product-title .eyebrow{font-size:10px}.product-title p{font-size:13px}.view-label{bottom:107px;left:22px}.view-controls{bottom:52px;max-width:calc(100% - 28px)}.view-controls button{padding:11px 12px;font-size:12px}.gesture-hint{font-size:11px;bottom:25px}aside{border-left:0;border-top:1px solid var(--line);padding:20px 22px}.panel-heading{padding:6px 0 15px}.parts{display:grid;grid-template-columns:1fr 1fr;column-gap:22px}.part{padding:17px 0}.part small{font-size:12px}.part strong{font-size:14px}.display-settings{display:grid;grid-template-columns:1fr 1fr;column-gap:25px;padding:15px 0}.reset{grid-column:1/-1;text-align:left}.reference{padding-top:17px}.reference p{max-width:450px}footer{padding:15px 22px;flex-wrap:wrap;font-size:10px;min-height:55px}#model-info{display:none}}
@media(max-width:390px){.view-controls button{padding:11px 9px}.parts{grid-template-columns:1fr}.viewer{min-height:550px}.display-settings{grid-template-columns:1fr}.part{padding:14px 0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}

.brand{display:flex;align-items:center;gap:17px}.brand-symbol{width:43px;height:43px;object-fit:contain}.model-modes{position:absolute;top:37px;right:25px;z-index:1;display:flex;padding:4px;background:rgba(16,23,34,.9);border:1px solid #344152;gap:2px}.model-modes button{background:none;border:0;color:#a9b6c8;padding:10px 13px;font-size:13px}.model-modes button[aria-pressed=true]{color:#192434;background:#dce8f2}.model-modes button:hover:not([aria-pressed=true]){background:#27364a;color:white}@media(max-width:1100px){.model-modes{top:185px;left:25px;right:auto}}@media(max-width:760px){.brand{gap:10px}.brand-symbol{width:29px;height:29px}.model-modes{top:158px;left:22px}.model-modes button{padding:9px 14px}.download{font-size:11px;gap:5px}.download svg{width:14px;height:14px}}

#internal-parts .part{padding:14px 0}#internal-parts .part strong{margin-bottom:4px}@media(max-width:760px){#internal-parts .part{padding:15px 0}}

@media(min-width:761px){aside{min-height:0;overflow-y:auto;scrollbar-width:thin}}

/* Isengard brand treatment for the working 3D viewer. */
:root{--bg:#101110;--panel:#151714;--fg:#f3f4ed;--muted:#b3b8ad;--line:#353a31;--subtle:#969e8e;--accent:#ff6600}
button:focus-visible,a:focus-visible,canvas:focus-visible{outline-color:var(--accent)}
header{min-height:88px;border-top:3px solid var(--accent);gap:45px;background:var(--bg)}
.brand{gap:15px;flex-shrink:0}.brand-symbol{width:50px;height:50px}.wordmark{font-weight:900;letter-spacing:2.7px;font-size:24px}.wordmark span{font-size:12px;letter-spacing:5px;color:var(--muted);margin-top:6px}
.breadcrumb,.eyebrow,.panel-heading,.part-num,.view-label,.gesture-hint,footer{font-family:'SFMono-Regular',Consolas,'Liberation Mono',monospace}
.breadcrumb{font-size:12px;letter-spacing:1.2px}.breadcrumb span{color:var(--accent);margin:0 12px}
.download{background:transparent;border-color:var(--line);color:var(--fg);font-size:14px}.download:hover{background:#242820;border-color:var(--accent)}
main{grid-template-columns:minmax(0,1fr) 330px}.product-title{top:34px}.product-title h1{font-family:'Arial Black',Arial,sans-serif;font-size:clamp(58px,6.8vw,100px);font-weight:900;letter-spacing:-5px;margin:17px 0 9px}.product-title h1 span{color:var(--accent);font-weight:700}.eyebrow{font-size:12px;letter-spacing:1.5px}.product-title p{font-size:14px}.title-divider{color:var(--accent);padding:0 8px}
aside{padding:25px 24px}.panel-heading{font-size:12px;letter-spacing:1px;padding:10px 0 20px}.small-cross{color:var(--accent)}
.part{gap:12px;padding:16px 0;border-left:2px solid transparent}.part:hover,.part[aria-pressed=true]{background:#22271f;border-left-color:var(--accent)}.part strong{font-size:15px;font-weight:600}.part small{font-size:13px;line-height:1.45}.part-num{font-size:12px;min-width:22px}.part[aria-pressed=true] .part-num,.part:hover .detail-arrow{color:var(--accent)}
.model-modes,.view-controls{background:rgba(20,23,19,.96);border-color:var(--line);padding:4px;gap:3px}.model-modes button,.view-controls button{font-size:14px;color:#c5cabf;padding:11px 15px}.model-modes button[aria-pressed=true],.view-controls button[aria-pressed=true]{background:var(--accent);color:#141610;font-weight:700}.model-modes button:hover:not([aria-pressed=true]),.view-controls button:hover:not([aria-pressed=true]){background:#303729;color:#fff}
.view-label{font-size:13px}.view-label>span:first-child{font-size:12px;border-color:var(--line);color:var(--accent)}.gesture-hint{font-size:12px}
.setting-row{font-size:14px}.studio-options button{font-size:13px}.studio-options button[aria-pressed=true]{background:#363e2e;color:var(--fg)}.switch{background:#252a20;border-color:#626c58}.switch[aria-checked=true]{background:var(--accent);border-color:var(--accent)}.switch[aria-checked=true] span{background:#161813}.reset{font-size:14px}
.reference .eyebrow{font-size:12px}.reference a{font-size:13px}.reference p{color:var(--subtle);font-size:13px}.reference a:hover{color:var(--accent)}footer{font-size:12px;letter-spacing:.7px;min-height:46px}footer a{font-size:12px}.footer-slash{color:var(--accent)}
.loader-line{background:#3c4633;height:2px}.loader-line:after{background:var(--accent)}#loading{border:1px solid var(--line)}.load-error button{background:var(--accent);color:#151711}
body.light{--bg:#e3e5df;--panel:#eceee8;--fg:#1c2417;--muted:#45523e;--subtle:#5a6752;--line:#b7c0af}body.light .part:hover,body.light .part[aria-pressed=true]{background:#d6ddcf}.light .product-title h1 span{color:#c24b00}.light .download:hover{background:#d6ddcf}.light .reference p{color:var(--subtle)}
@media(max-width:1100px){header{gap:25px}.breadcrumb{display:none}main{grid-template-columns:minmax(0,1fr) 290px}.model-modes{top:202px}.product-title h1{font-size:76px}.model-modes button,.view-controls button{padding:11px 12px}.part strong{font-size:14px}.part small{font-size:13px}}
@media(max-width:760px){header{min-height:81px;padding:0 20px;gap:12px}.brand-symbol{width:38px;height:38px}.brand{gap:10px}.wordmark{font-size:19px;letter-spacing:2px}.wordmark span{font-size:12px;letter-spacing:2.8px}.download{font-size:13px;padding:10px;gap:6px}.download svg{width:16px}.product-title{top:26px}.product-title h1{font-size:66px}.model-modes{top:190px;left:22px}.model-modes button,.view-controls button{font-size:14px;padding:11px 12px}.parts{gap:0 20px}.part strong{font-size:15px}.part small{font-size:13px}.reference p{font-size:13px}.view-label{left:22px}.gesture-hint{font-size:12px}aside{padding:22px}footer{font-size:12px}.display-settings{padding:16px 0}}
@media(max-width:430px){header{padding:0 14px}.brand-symbol{width:34px;height:34px}.wordmark{font-size:17px}.wordmark span{font-size:12px;letter-spacing:1.8px}.download{padding:9px;font-size:12px}.download svg{display:none}.parts{grid-template-columns:1fr}.view-controls button{font-size:13px;padding:11px 9px}.product-title p{font-size:13px}.model-modes button{padding:11px 13px}.title-divider{padding:0 4px}}

.inspection-tools{border-top:1px solid var(--line);padding:18px 0 4px}.inspection-actions{display:flex;flex-direction:column;gap:9px}.inspection-actions button{padding:12px;text-align:left;border:1px solid var(--line);background:transparent;font-size:14px;min-height:44px}.inspection-actions button:hover:not(:disabled){border-color:var(--accent)}.inspection-actions button[aria-pressed=true]{background:var(--accent);color:#151711}.inspection-actions button:disabled{opacity:.45;cursor:default}.inspection-tools p{font-size:13px;line-height:1.5;color:var(--muted)}.inspection-tools .inspection-note{font-size:12px;color:var(--subtle)}