:root{color-scheme:dark;--bg:#07121c;--panel:rgba(12,29,42,.82);--line:rgba(128,187,211,.18);--text:#e6f1f6;--muted:#8ea6b6;--cyan:#8aeeee;--amber:#edb26e;font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);overflow:hidden}button,a,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit;color:inherit}button{cursor:pointer}button:focus-visible,select:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}button:disabled{opacity:.4;cursor:wait}button{border:0}button:hover{color:var(--cyan)}[hidden]{display:none!important}.topbar{height:84px;padding:0 30px;display:flex;align-items:center;border-bottom:1px solid var(--line);background:#081520;position:relative;z-index:20}.brand{display:flex;gap:13px;align-items:center;color:var(--text);text-decoration:none;font-size:19px;letter-spacing:.12em}.brand svg{width:33px;height:38px;fill:none;stroke:var(--cyan);stroke-width:1.4}.brand small{display:block;font:10px ui-monospace,monospace;letter-spacing:.19em;margin-top:5px;color:var(--muted)}.top-divider{height:30px;width:1px;background:var(--line);margin:0 30px}.top-context{font-size:14px;color:var(--muted)}.top-right{margin-left:auto;display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}.ready-light{width:5px;height:5px;background:var(--amber);border-radius:50%}body.ready .ready-light{background:var(--cyan);box-shadow:0 0 10px #6affea66}.icon-button{display:grid;place-items:center;min-width:36px;min-height:36px;background:transparent;color:var(--muted);font-size:22px;border:1px solid var(--line);border-radius:5px}.top-right .icon-button{font-size:16px;margin-left:22px}.workspace{height:calc(100svh - 84px);display:grid;grid-template-columns:242px minmax(0,1fr)}.system-nav{border-right:1px solid var(--line);background:linear-gradient(180deg,#0a1722,#07121c);padding:34px 18px 22px;display:flex;flex-direction:column;overflow-y:auto;position:relative;z-index:10}.nav-heading{display:flex;justify-content:space-between;align-items:center;font-size:14px;letter-spacing:.1em;padding:0 13px 26px}.nav-heading small{font:12px ui-monospace,monospace;color:var(--muted)}#system-list{display:flex;flex-direction:column;gap:8px}.system-button{padding:15px 13px;width:100%;display:flex;gap:13px;text-align:left;align-items:center;border:1px solid transparent;background:transparent;border-radius:5px;color:#b1c3cf;position:relative;transition:background .2s,border .2s}.system-button .number{font:12px ui-monospace,monospace;color:#637f92;min-width:20px}.system-button strong{font-weight:450;font-size:15px;white-space:nowrap}.system-button small{display:block;font:10px ui-monospace,monospace;letter-spacing:.1em;margin-top:5px;color:#698797}.system-button:hover{background:#112836}.system-button[aria-pressed=true]{border-color:#67cedd55;background:linear-gradient(100deg,#1b3c4b88,#18313d22);color:var(--cyan)}.system-button[aria-pressed=true] .number{color:var(--amber)}.system-button[aria-pressed=true]:before{content:"";position:absolute;left:-19px;top:17px;bottom:17px;width:2px;background:var(--cyan)}.nav-foot{margin-top:auto;padding:35px 13px 0}.tiny-rule{display:block;width:25px;border-top:2px solid #577080}.nav-foot p{font-size:13px;color:var(--muted);margin:18px 0 8px}.nav-foot>span:last-child{font-size:12px;color:#537186}.viewer{position:relative;overflow:hidden;background:radial-gradient(ellipse at 53% 48%,#152f41 0%,#0c1c29 42%,#07131e 85%)}.stage-heading{position:absolute;top:34px;left:34px;z-index:3;pointer-events:none}.eyebrow{color:var(--muted);font:11px ui-monospace,monospace;letter-spacing:.2em}.stage-heading h1{font-size:28px;font-weight:450;letter-spacing:.07em;margin:9px 0}.stage-heading h1>span{font-size:20px;color:#3b5667;margin:0 10px}.stage-heading small{font-size:14px;font-weight:400;letter-spacing:.05em;color:var(--muted)}.stage-coordinate{position:absolute;top:40px;right:34px;font:11px ui-monospace,monospace;letter-spacing:.1em;color:#557285;display:flex;gap:12px;align-items:center;z-index:2}.stage-coordinate span{font-size:28px;color:#5e8495}#render-zone{position:absolute;inset:0;transition:right .3s;outline:0}body.detail-open #render-zone{right:370px}#viewport{display:block;width:100%;height:100%;cursor:grab;touch-action:none}#viewport:active{cursor:grabbing}#markers{position:absolute;inset:0;pointer-events:none;overflow:hidden}.marker{position:absolute;left:0;top:0;transform:translate(-50%,-50%);background:#081d29c9;border:1px solid #8cefee9a;color:#d8ffff;border-radius:50%;width:30px;height:30px;font:11px ui-monospace,monospace;box-shadow:0 0 0 5px #73d9e50b;pointer-events:auto;transition:background .2s,opacity .2s,border .2s}.marker:hover,.marker.selected{background:#a1f2ec;color:#08232a;border-color:#cafff8;box-shadow:0 0 20px #62dfef55}.marker.selected:after{content:"";position:absolute;inset:-5px;border:1px solid #96f6e88c;border-radius:50%}.marker.behind{opacity:.24}.marker:focus-visible{opacity:1}.viewport-tools{position:absolute;bottom:70px;left:50%;transform:translateX(-50%);z-index:4;display:flex;gap:6px;padding:8px;background:#0a1c29bf;border:1px solid #5a859841;box-shadow:0 16px 45px #0004;backdrop-filter:blur(18px);border-radius:8px;transition:left .3s;max-width:calc(100% - 28px)}body.detail-open .viewport-tools{left:calc((100% - 370px)/2)}.viewport-tools button{display:flex;gap:7px;align-items:center;justify-content:center;background:transparent;min-width:64px;min-height:38px;padding:6px 10px;border-radius:4px;color:#a7c1cf;font-size:21px}.viewport-tools button span{font-size:13px;white-space:nowrap}.viewport-tools button[aria-pressed=true]{background:#23455380;color:#a7efee}.viewport-tools select{border:0;background:#0d2330;padding:4px 9px;color:#bad1dd;border-radius:4px;font-size:13px;max-width:105px}.tool-separator{width:1px;background:var(--line);margin:4px}.stage-footer{position:absolute;left:34px;right:34px;bottom:25px;display:flex;justify-content:space-between;color:#819baa;font-size:12px;pointer-events:none;z-index:3}.stage-footer>span:first-child{display:flex;align-items:center;gap:9px}.stage-footer i{display:inline-block;width:4px;height:4px;background:var(--cyan);border-radius:50%}#zoom-label{font:12px ui-monospace,monospace}#loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;background:#081520da;z-index:12;font-size:14px;color:#b6d6e4}.loading-orbit{width:58px;height:58px;border:1px solid #2c5265;border-top:2px solid var(--cyan);border-radius:50%;animation:spin 1.6s linear infinite}progress{width:180px;height:3px;border:0;accent-color:var(--cyan);background:#1c3746}#reload{padding:12px 24px;color:#062329;background:var(--cyan);border-radius:4px}#hover-label{position:absolute;pointer-events:none;z-index:6;background:#0b2332e8;color:var(--cyan);padding:8px 12px;border:1px solid #6abfc36e;font-size:13px;border-radius:3px}#info-panel{position:absolute;top:28px;right:24px;bottom:82px;width:336px;max-height:730px;border:1px solid #729cad4f;border-top:2px solid #8ae7eb;box-shadow:0 20px 65px #0005;background:linear-gradient(140deg,#16313fea,#0a1c29cd);backdrop-filter:blur(22px);border-radius:5px;z-index:6;display:flex;flex-direction:column;animation:panel-in .3s ease-out}.panel-top{padding:15px 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);font-size:12px;color:var(--cyan);letter-spacing:.14em}.panel-top .icon-button{border:0;margin:-5px -8px -5px 0}.panel-body{padding:26px 23px 22px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#41687b transparent}.panel-body h2{font-size:26px;letter-spacing:.04em;font-weight:450;margin:10px 0 18px}.panel-body>p{font-size:16px;line-height:1.8;color:#b9cdd7;margin:0 0 25px}#info-flow{display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:5px;padding:13px 0;color:#a5e2e6;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}#info-flow span:not(:last-child):after{content:'›';margin-left:9px;color:#487482}dl{margin:24px 0;display:grid;grid-template-columns:45px 1fr;gap:12px 15px;font-size:13px;line-height:1.65}dt{color:#708f9f}dd{margin:0;color:#c3d4df}.panel-body h3{font-size:13px;color:#799cab;font-weight:400;letter-spacing:.08em;margin:25px 0 15px}.panel-body ul{padding:0;margin:0;list-style:none;color:#adcad6;font-size:14px;line-height:1.75}.panel-body li{padding-left:13px;position:relative;margin-top:10px}.panel-body li:before{content:'';position:absolute;left:0;top:10px;width:3px;height:3px;background:#75cad0}.panel-actions{padding:18px 22px 20px;border-top:1px solid var(--line);margin-top:auto}.panel-actions button{background:#84ddd8;color:#102d36;display:flex;justify-content:space-between;align-items:center;width:100%;border-radius:3px;padding:13px 15px;font-size:14px;font-weight:600}.panel-actions>span{display:block;color:#7295a5;font-size:11px;line-height:1.6;margin-top:12px}#help{position:absolute;top:24px;right:24px;z-index:22;width:min(390px,calc(100% - 32px));background:#112936ee;backdrop-filter:blur(20px);border:1px solid #528595;padding:24px;border-radius:6px;box-shadow:0 10px 50px #0008}#help>div{display:flex;align-items:center;justify-content:space-between}#help h2{font-size:20px;margin:0}#help p{font-size:15px;line-height:1.8;color:#b9d0dc}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes spin{to{transform:rotate(360deg)}}@keyframes panel-in{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}
@media(max-height:820px) and (min-width:901px){.system-nav{padding-top:24px}.system-button{padding-top:10px;padding-bottom:10px}.nav-heading{padding-bottom:17px}.nav-foot{padding-top:20px}#info-panel{top:20px;bottom:55px}.panel-body{padding-top:20px}.stage-heading{top:25px}}
@media(max-width:1150px){.workspace{grid-template-columns:208px minmax(0,1fr)}.system-nav{padding-inline:10px}.system-button{gap:8px}.nav-heading{padding-inline:10px}.stage-heading{left:24px}.stage-heading h1{font-size:24px}.stage-heading h1>span{margin-inline:5px}.stage-heading small{font-size:12px}.stage-coordinate{display:none}#info-panel{width:304px;right:15px}body.detail-open #render-zone{right:326px}body.detail-open .viewport-tools{left:calc((100% - 326px)/2)}.viewport-tools{gap:0}.viewport-tools button{min-width:45px;padding:6px}.viewport-tools button span{display:none}.panel-body{padding-inline:20px}}
@media(max-width:900px){.topbar{height:68px;padding:0 18px}.brand{font-size:16px;gap:10px}.brand svg{width:27px;height:32px}.brand small{font-size:9px}.top-divider,.top-context{display:none}.top-right{font-size:12px}.top-right .icon-button{margin-left:8px}.workspace{height:calc(100svh - 68px);display:block}.viewer{height:100%;position:relative}.system-nav{position:fixed;bottom:0;left:0;right:0;border-top:1px solid var(--line);border-right:0;z-index:15;padding:7px 12px calc(9px + env(safe-area-inset-bottom));background:#091923f0;backdrop-filter:blur(22px);overflow:hidden}.nav-heading,.nav-foot{display:none}#system-list{flex-direction:row;gap:4px;overflow:auto;scrollbar-width:none}.system-button{width:auto;flex-shrink:0;padding:9px 11px;gap:8px}.system-button strong{font-size:13px}.system-button small{font-size:8px;letter-spacing:.08em}.system-button .number{min-width:15px;font-size:10px}.system-button[aria-pressed=true]:before{display:none}.stage-heading{top:24px;left:22px}.stage-heading h1{font-size:24px}.eyebrow{font-size:10px}#render-zone{bottom:100px;transition:bottom .3s,right .3s}body.detail-open #render-zone{right:0;bottom:calc(43svh + 72px)}.viewport-tools,body.detail-open .viewport-tools{bottom:112px;left:50%;padding:6px}body.detail-open .viewport-tools{bottom:calc(43svh + 84px)}.viewport-tools button{min-width:45px;height:37px;font-size:21px}.viewport-tools button span{display:none}.viewport-tools select{font-size:12px}.stage-footer{bottom:83px;left:20px;right:20px;font-size:10px}body.detail-open .stage-footer{display:none}#zoom-label{font-size:10px}#info-panel{top:auto;bottom:72px;left:12px;right:12px;width:auto;max-height:42svh;height:42svh;border-radius:10px 10px 4px 4px;animation:none}.panel-top{padding:9px 17px;flex-shrink:0}.panel-body{padding:17px 20px}.panel-body h2{font-size:23px;margin:6px 0 12px}.panel-body>p{font-size:15px;line-height:1.7;margin-bottom:15px}.panel-actions{padding:10px 18px;display:flex;gap:16px;align-items:center;flex-shrink:0}.panel-actions button{max-width:160px;padding:11px 13px}.panel-actions>span{font-size:10px;line-height:1.8;margin:0;max-width:125px}.marker{width:28px;height:28px}#help{top:14px;right:12px}#hover-label{display:none}.loading-orbit{width:45px;height:45px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Readable technical labels, including the compact touch layout. */
.brand small,.eyebrow,.system-button small,.marker,.panel-actions>span,.stage-coordinate{font-size:12px}.top-right,.viewport-tools button span,.viewport-tools select,.panel-top,.panel-body h3,dl{font-size:14px}.brand small{letter-spacing:.08em}.system-button small{letter-spacing:.035em;font-size:12px}.panel-actions>span{line-height:1.6}.stage-heading{max-width:calc(100% - 40px)}
@media(max-width:900px){.brand small{font-size:12px}.system-button small{display:none}.system-button strong{font-size:14px}.system-button .number{font-size:12px}.system-button{min-height:47px}.top-right{font-size:12px}.stage-footer,#zoom-label{font-size:12px}.stage-footer{gap:15px}.stage-footer #zoom-label{display:none}.panel-body>p{font-size:16px}.panel-actions>span{font-size:12px}.panel-top{font-size:13px}.viewport-tools select{font-size:14px}.stage-heading .eyebrow{font-size:12px}.brand small{font-size:12px}.stage-heading h1>small{font-size:14px}}

@media(max-width:900px){body.detail-open .stage-heading{display:none}}