:root{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
  color:#20242b;background:#f2f3f3;color-scheme:light;
  --ink:#20242b;--soft-ink:#66727f;--muted:#7c8793;--line:#18253618;--accent:#263b48;--teal:#458a85;
}
*{box-sizing:border-box}
html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}
body{background:#f2f3f3}
button,input{font:inherit}
button,a,input{touch-action:manipulation}
button{border:0;background:none;color:inherit;cursor:pointer}
button:disabled{opacity:.4;cursor:default}
button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:2px solid #538d9a;outline-offset:3px}
a{color:inherit}
[hidden]{display:none!important}
.studio{height:100dvh;min-height:340px;width:100%;position:relative;isolation:isolate;background:#f2f3f3}
.scene{position:absolute;inset:0;background:radial-gradient(ellipse at 50% 43%,#fbfbfa 0%,#f1f3f3 52%,#e8ebec 100%)}
.scene canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}
.scene canvas.dragging{cursor:grabbing}
.vignette{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 51% 43%,transparent 34%,#83919e12 100%)}
.glass{background:#fffffff0;border:1px solid var(--line);box-shadow:0 16px 48px #2433440d;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}
.identity{position:absolute;left:32px;top:29px;pointer-events:none;z-index:3}
.eyebrow{font-size:12px;letter-spacing:.16em;color:#737d89;display:flex;align-items:center;gap:8px;text-transform:uppercase}
.status-dot{height:5px;width:5px;background:var(--teal);border-radius:50%;box-shadow:0 0 12px #458a8540}
h1{font:400 38px/1.08 inherit;letter-spacing:-1.4px;margin:10px 0 4px}
.edition{vertical-align:top;font:10px/1 Arial;letter-spacing:.08em;margin-left:10px;opacity:.45;border:1px solid #18253620;border-radius:3px;padding:3px 4px}
.brand-secondary{font-size:13px;color:#66727f;letter-spacing:.08em;margin:0 0 8px;text-transform:none}
.identity-meta{font-size:12px;color:#78828c;letter-spacing:.02em}
.top-actions{position:absolute;top:28px;right:30px;display:flex;align-items:center;gap:8px;z-index:15}
.top-actions button{display:flex;gap:10px;align-items:center;justify-content:center;font-size:14px;color:#515d69;min-height:44px;padding:10px 12px;border-radius:5px;transition:background .18s,color .18s}
.top-actions button:hover,.top-actions button.active{background:#263b480c;color:#263b48}
.top-actions kbd{font-size:11px;opacity:.5;margin-left:12px;padding:1px 5px;border:1px solid #18253620;border-radius:3px}
.icon-button{display:inline-flex!important;align-items:center;justify-content:center;min-width:44px;min-height:44px;border-radius:5px!important;font-size:20px!important}
.ui-icon{font-size:22px;line-height:1;transform:translateY(-1px)}
.language-switch{display:flex;padding:3px;border:1px solid #18253615;border-radius:6px;background:#ffffffc7}
.language-switch button{min-height:34px!important;padding:6px 10px!important;font-size:12px!important;letter-spacing:.03em}
.language-switch button.active{background:#263b48!important;color:#fff!important;box-shadow:0 2px 8px #263b4820}
.layers-panel{position:absolute;left:30px;top:180px;bottom:175px;width:254px;max-height:654px;border-radius:6px;display:flex;flex-direction:column;padding:17px 16px 0;z-index:8}
.panel-heading{display:flex;align-items:center;justify-content:space-between;font-size:14px;color:#26313c;min-height:28px}
.small-number{font-size:12px;font-variant-numeric:tabular-nums;color:#7c8793}
.layer-presets{display:flex;gap:5px;padding:14px 0 10px;border-bottom:1px solid var(--line)}
.layer-presets button{font-size:12px;padding:7px 10px;border:1px solid #18253618;border-radius:3px;color:#65717e}
.layer-presets button:hover,.layer-presets button.active{background:#263b4810;color:#263b48;border-color:#263b4830}
.system-list{overflow-y:auto;overscroll-behavior:contain;padding:7px 0;scrollbar-width:thin;scrollbar-color:#b9c1c8 transparent}
.system-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:35px;opacity:.52;transition:opacity .16s}
.system-row.enabled{opacity:1}
.system-name{display:flex;align-items:center;gap:8px;text-align:left;font-size:13px;flex:1;min-height:35px;padding:0;border-radius:3px;min-width:0}
.system-name:hover{background:#18253607}
.system-dot{width:6px;height:6px;border-radius:50%;flex:0 0 auto}
.system-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.system-count{font-size:11px;color:#87929d;margin-left:auto;font-variant-numeric:tabular-nums}
.switch{width:31px;height:18px;border-radius:999px;background:#b6bec5;position:relative;flex:0 0 auto;padding:0!important;transition:background .2s}
.switch span{position:absolute;width:14px;height:14px;left:2px;top:2px;background:white;border-radius:50%;box-shadow:0 1px 4px #14202d30;transition:transform .2s}
.switch[aria-checked="true"]{background:#536d79}
.switch[aria-checked="true"] span{transform:translateX(13px)}
.panel-foot{display:flex;justify-content:space-between;align-items:center;font-size:11px;min-height:42px;border-top:1px solid var(--line);color:#75818d;margin-top:auto}
.panel-foot button{font-size:11px;color:#75818d;padding:10px 0}
.view-controls{position:absolute;right:30px;top:50%;transform:translateY(-50%);border-radius:5px;padding:5px;display:flex;flex-direction:column;z-index:7}
.view-controls button{width:40px;height:42px;display:flex;align-items:center;justify-content:center;font-size:12px;color:#74818e;border-radius:3px;transition:background .18s,color .18s}
.view-controls button:hover,.view-controls button.active{color:#263b48;background:#263b4812}
.view-controls i{height:1px;background:#18253615;margin:5px}
.scene-caption{position:absolute;bottom:159px;left:50%;transform:translateX(-50%);display:flex;gap:15px;align-items:center;color:#7c8793;letter-spacing:.15em;font-size:11px;white-space:nowrap;pointer-events:none;text-transform:uppercase;z-index:4}
.caption-line{width:24px;height:1px;background:#18253622}
.bottom-dock{position:absolute;bottom:51px;left:50%;transform:translateX(-50%);width:470px;padding:15px 18px;border-radius:6px;display:flex;gap:22px;align-items:center;z-index:9}
.explode-control{flex:1;min-width:0}
.explode-label{display:flex;align-items:center;justify-content:space-between;font-size:13px;margin-bottom:8px;color:#3c4956}
.explode-label output{font-size:15px;font-variant-numeric:tabular-nums;color:#263b48}
.explode-label output span{font-size:11px;margin-left:2px;color:#7f8c98}
#explodeSlider{width:100%;height:22px;margin:0;appearance:none;background:transparent;cursor:pointer}
#explodeSlider::-webkit-slider-runnable-track{height:3px;background:#263b4820;border-radius:99px}
#explodeSlider::-webkit-slider-thumb{appearance:none;width:15px;height:15px;border-radius:50%;background:#445e69;border:3px solid #fff;box-shadow:0 1px 5px #263b4850;margin-top:-6px}
#explodeSlider::-moz-range-track{height:3px;background:#263b4820;border-radius:99px}
#explodeSlider::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:#445e69;border:3px solid #fff;box-shadow:0 1px 5px #263b4850}
.slider-endpoints{display:flex;justify-content:space-between;font-size:10px;color:#7c8793;margin-top:0}
.dock-reset{border-left:1px solid #18253618;padding:8px 0 8px 20px;display:flex;flex-direction:column;gap:5px;align-items:center;color:#687683;font-size:11px;min-width:64px}
.dock-reset>span:first-child{font-size:20px}
.studio-footer{position:absolute;bottom:18px;left:30px;right:30px;display:flex;justify-content:space-between;font-size:11px;color:#73808c;z-index:5;pointer-events:none}
.studio-footer button{display:flex;gap:6px;align-items:center;color:#73808c;font-size:11px;pointer-events:auto}
.loading{position:absolute;left:50%;top:43%;transform:translate(-50%,-50%);border-radius:6px;padding:22px 25px;display:flex;align-items:center;gap:18px;min-width:300px;z-index:30}
.loading strong{display:block;font-weight:400;font-size:15px}
.loading span{display:block;font-size:12px;color:#75818d;margin-top:8px}
.loading-track{height:2px;background:#18253615;margin-top:14px;min-width:205px;overflow:hidden}
.loading-track i{display:block;height:100%;width:0;background:var(--teal);transition:width .35s}
.spinner{width:23px;height:23px;border:2px solid #263b4820;border-top-color:#458a85;border-radius:50%;animation:spin .8s linear infinite;flex:0 0 auto}
@keyframes spin{to{transform:rotate(360deg)}}
.error{flex-direction:column;max-width:min(420px,90vw);text-align:center;line-height:1.55}
.error button{padding:10px 16px;border:1px solid #18253628;border-radius:4px}
.search-panel{position:absolute;right:30px;top:88px;width:365px;border-radius:6px;padding:12px 16px 15px;z-index:20}
.search-box{margin-top:9px;background:#18253608;width:100%;height:44px;border:1px solid transparent;display:flex;align-items:center;gap:9px;padding:0 12px;border-radius:4px}
.search-box:focus-within{border-color:#538d9a80;background:#fff}
.search-box .ui-icon{font-size:19px;color:#75818d}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:#26313c}
.search-box input::placeholder{color:#87929d}
.search-results{max-height:min(52vh,490px);overflow:auto;margin-top:8px;border-top:1px solid var(--line);scrollbar-width:thin}
.search-result{display:flex;width:100%;gap:10px;align-items:center;text-align:left;padding:10px 5px;border-bottom:1px solid var(--line);min-height:52px}
.search-result:hover,.search-result[aria-selected="true"]{background:#263b4808}
.search-result-copy{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}
.search-result-name{font-size:14px;color:#26313c;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.search-result-alt{font-size:11px;color:#7d8994;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-transform:none}
.search-note{font-size:11px;line-height:1.55;color:#78838f;margin:11px 0 0}
.empty-result{padding:18px 5px;font-size:13px;color:#78838f}
.detail-panel{position:absolute;top:100px;bottom:173px;right:92px;width:320px;border-radius:7px;padding:27px 23px;overflow-y:auto;z-index:17;display:flex;flex-direction:column;gap:15px;scrollbar-width:thin}
.panel-close{position:absolute;right:11px;top:10px}
.detail-accent{width:26px;height:3px;border-radius:4px}
.detail-eyebrow{margin-top:2px;font-size:10px}
.structure-title{font:400 28px/1.15 inherit;letter-spacing:-.6px;margin:0;padding-right:25px}
.structure-alternate{font-size:13px;color:#788694;margin-top:-8px}
.structure-description{font-size:14px;line-height:1.7;color:#66727f;margin:0}
.context-note{font-size:11px;line-height:1.55;color:#87929d;margin:-7px 0 0}
.structure-meta{display:flex;gap:28px;padding:16px 0;border-block:1px solid var(--line);font-size:11px;color:#87929d}
.structure-meta strong{display:block;font-size:14px;color:#475665;font-weight:400;margin-top:5px}
.primary-action{display:flex;align-items:center;gap:9px;font-size:13px;padding:12px;border:1px solid #263b4840;border-radius:4px;color:#263b48;min-height:45px;width:100%}
.primary-action:hover,.primary-action.active{background:#263b4810}
.primary-action span:last-child{margin-left:auto}
.secondary-action{font-size:12px;color:#788694;padding:8px 0;text-align:left}
.member-list h3{font-size:12px;font-weight:400;color:#687786;margin:0 0 5px}
.member-list button{display:flex;flex-direction:column;gap:2px;text-align:left;min-height:44px;font-size:12px;line-height:1.4;border-bottom:1px solid var(--line);width:100%;padding:7px 0}
.member-list button:hover{background:#263b4806}
.member-alt{font-size:10px;color:#8a949d}
.member-list p{font-size:11px;color:#87929d}
.source-link{display:flex;align-items:center;gap:5px;font-size:11px;color:#74818e;margin-top:auto;text-decoration:none}
.sheet-overlay{position:absolute;inset:0;background:#25303b24;z-index:24;backdrop-filter:blur(2px)}
.about-panel{position:absolute;top:0;right:0;bottom:0;width:min(450px,100vw);padding:64px 31px 30px;overflow-y:auto;z-index:25;box-shadow:-25px 0 80px #24334418}
.about-panel h2{font:400 35px/1.1 inherit;letter-spacing:-1px;margin:16px 0 12px}
.about-lede{font-size:16px;line-height:1.7;color:#66727f}
.about-copy{font-size:14px;line-height:1.75;color:#667481}
.about-copy p{margin:14px 0}
.about-copy h3{font-size:13px;color:#364653;margin-top:24px}
.about-copy a{display:flex;align-items:center;gap:8px;font-size:13px;margin:12px 0;color:#516d7b;text-decoration:none}
.part-hover{position:absolute;z-index:40;max-width:300px;padding:7px 10px;border-radius:4px;background:#263b48e8;color:#fff;font-size:12px;line-height:1.45;pointer-events:none;box-shadow:0 8px 28px #14202d30}
.mobile-layers-button{position:absolute;left:18px;bottom:130px;z-index:10;min-height:42px;border-radius:5px;padding:0 13px;align-items:center;gap:8px;font-size:12px;color:#566572}
.mobile-only{display:none}
noscript{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:100;background:#fff;padding:20px;border-radius:7px}
@media(min-width:1400px){
  .layers-panel{top:190px;bottom:180px}.system-row,.system-name{min-height:39px}.system-name{font-size:14px}
}
@media(max-width:1050px) and (min-width:769px){
  .layers-panel{width:225px;left:20px}.identity{left:22px}.detail-panel{right:76px;width:300px}.top-actions{right:20px}.view-controls{right:20px}
}
@media(max-height:720px) and (min-width:769px){
  .identity{top:18px}.identity h1{font-size:31px;margin-top:7px}.layers-panel{top:130px;bottom:142px}.system-row,.system-name{min-height:30px}.bottom-dock{bottom:38px;padding-top:11px;padding-bottom:11px}.scene-caption{bottom:137px}.studio-footer{bottom:11px}.detail-panel{top:82px;bottom:145px}
}
@media(max-width:768px){
  .desktop-only{display:none!important}.mobile-only{display:flex!important}
  .identity{left:18px;top:16px;max-width:56vw}.eyebrow{font-size:9px;letter-spacing:.12em}.identity h1{font-size:27px;letter-spacing:-.8px;margin:6px 0 2px}.brand-secondary{font-size:10px;margin-bottom:5px}.identity-meta{font-size:10px}.edition{font-size:8px;margin-left:6px}
  .top-actions{top:11px;right:12px;gap:4px}.top-actions .action-button span:not(.ui-icon),.top-actions kbd{display:none}.top-actions button{min-width:40px;min-height:40px;padding:8px}.language-switch{padding:2px}.language-switch button{min-width:38px!important;min-height:32px!important;padding:5px 7px!important}
  .layers-panel{display:none;left:12px;right:12px;top:auto;bottom:121px;width:auto;max-height:min(67vh,560px);padding:15px 15px 0;z-index:22}.layers-panel.mobile-open{display:flex}.layers-panel .system-row,.layers-panel .system-name{min-height:38px}.layers-panel .panel-heading{min-height:35px}
  .search-panel{right:12px;left:12px;top:80px;width:auto;max-height:calc(100dvh - 205px);padding:12px 14px;z-index:23}.search-results{max-height:calc(100dvh - 325px)}
  .view-controls{right:12px;top:42%;padding:3px}.view-controls button{width:37px;height:38px}.view-controls button[data-view="side"],.view-controls button[data-view="back"]{display:none}
  .scene-caption{bottom:119px;font-size:9px;max-width:70vw;overflow:hidden;text-overflow:ellipsis}.caption-line{width:12px}
  .bottom-dock{bottom:17px;left:12px;right:12px;transform:none;width:auto;padding:12px 14px;gap:14px}.explode-label{font-size:12px;margin-bottom:5px}.slider-endpoints{font-size:9px}.dock-reset{padding-left:14px;min-width:54px}
  .studio-footer{display:none}.mobile-layers-button{display:flex!important}
  .loading{top:45%;min-width:min(300px,calc(100vw - 36px));padding:18px 20px}.loading-track{min-width:170px}
  .detail-panel{left:12px;right:12px;top:auto;bottom:121px;width:auto;max-height:46dvh;padding:22px 20px;z-index:21}.structure-title{font-size:24px}.structure-description{font-size:13px}.member-list{display:none}
  .about-panel{width:100%;padding:58px 24px 28px}.about-panel h2{font-size:31px}
  .part-hover{display:none}
}
@media(max-width:390px){
  .identity{max-width:52vw}.identity h1{font-size:24px}.identity-meta{max-width:160px}.view-controls{top:39%}.mobile-layers-button span:last-child{display:none}.mobile-layers-button{padding:0 13px}
}
@media(max-height:600px) and (orientation:landscape){
  .identity{top:10px}.identity h1{font-size:22px}.brand-secondary,.identity-meta{display:none}.top-actions{top:7px}.search-panel{top:58px;bottom:68px;max-height:none;right:68px;left:auto;width:330px}.search-results{max-height:calc(100vh - 185px)}.layers-panel{top:58px;bottom:68px;left:10px;right:auto;width:245px;max-height:none}.bottom-dock{left:50%;right:auto;bottom:8px;width:390px;transform:translateX(-50%);padding:8px 13px}.mobile-layers-button{left:10px;bottom:12px}.scene-caption{display:none}.detail-panel{left:auto;right:61px;top:58px;bottom:67px;width:300px;max-height:none}.view-controls{right:10px;top:50%}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.spinner{animation-duration:1.6s}.switch span,.loading-track i{transition:none}}