:root{color-scheme:dark;--ink:#071115;--panel:#0c1c22;--line:#29434a;--text:#edf6f3;--muted:#93a9aa;--acid:#d9ff42;--cyan:#55dfd1;--amber:#ffbd68}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--ink)}body{color:var(--text);font-family:"Microsoft YaHei UI","Microsoft YaHei",sans-serif;background:radial-gradient(ellipse at 100% 0,#173d3c66,transparent 55%),linear-gradient(140deg,#061014,#0b191f)}button,input{font:inherit}button{border:1px solid var(--line);background:#0c1d23;color:var(--text);padding:9px 16px;cursor:pointer}button:hover,button:focus-visible{border-color:var(--cyan);outline:2px solid transparent}.accent{border-color:#829934;color:var(--acid)}.shell{height:100vh;min-height:800px;padding:14px 20px 10px;display:grid;grid-template-rows:65px 58px minmax(0,1fr) 24px;gap:10px;max-width:2560px;margin:auto}.topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:12px}.brand{display:flex;align-items:center;gap:14px}.brand-mark{display:grid;place-items:center;border:1px solid var(--acid);color:var(--acid);width:48px;height:48px;transform:skew(-7deg);font-size:30px;font-weight:700}.brand small{color:var(--acid);font-size:11px;letter-spacing:3px}.brand h1{font-size:23px;letter-spacing:2px;margin:4px 0}.brand p{color:var(--muted);font-size:10px;margin:0;letter-spacing:2px}.top-actions{display:flex;align-items:center;gap:10px;font-size:12px}.online{display:flex;align-items:center;gap:9px;border:1px solid var(--line);padding:10px 14px}.online i,.ready i,.page-foot i,.rail-foot i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--acid);box-shadow:0 0 10px #d9ff4280}.overview{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#09171cc9}.overview article{display:flex;align-items:center;justify-content:space-between;border-right:1px solid var(--line);padding:8px 16px;position:relative}.overview article:last-child{border:0}.overview article:after{content:"";position:absolute;bottom:0;left:0;width:34%;height:2px;background:var(--cyan)}.overview article:first-child:after,.overview article:last-child:after{background:var(--acid)}.overview article>span{font-size:12px;color:var(--muted);letter-spacing:2px}.overview article div{display:flex;gap:10px;align-items:baseline}.overview b{font:700 28px "Bahnschrift",sans-serif}.overview b.word{font:700 17px "Microsoft YaHei",sans-serif;color:var(--acid)}.overview small{color:var(--muted);font-size:10px}.dashboard{display:grid;grid-template-columns:minmax(0,1fr) 342px;gap:12px;min-height:0}.scene-stack{display:grid;grid-template-rows:1fr 1fr;gap:10px;min-height:0}.scene-card{display:grid;grid-template-rows:44px minmax(0,1fr) 40px;min-height:0;border:1px solid var(--line);background:#09191fc9}.scene-head{display:flex;align-items:center;padding:6px 12px;gap:12px;border-bottom:1px solid var(--line)}.scene-index{color:var(--acid);border:1px solid var(--line);padding:6px 8px;font:700 13px "Bahnschrift",sans-serif}.scene-title h2{font-size:15px;margin:0 0 3px;letter-spacing:1px}.scene-title p{font-size:10px;color:var(--muted);margin:0}.scene-state{margin-left:auto;color:var(--cyan);font-size:11px;white-space:nowrap}.play-toggle{padding:6px 16px;font-size:11px}.feed-pair{display:grid;grid-template-columns:1fr 1fr;min-height:0}.feed{display:grid;grid-template-rows:25px minmax(0,1fr);margin:0;min-width:0;min-height:0}.feed+.feed{border-left:1px solid var(--line)}figcaption{display:flex;align-items:center;justify-content:space-between;padding:0 10px;font-size:11px;background:#0b1b22}figcaption span{font-size:10px;color:var(--muted)}.ai-feed figcaption{color:var(--acid)}.video-stage{position:relative;min-height:0;overflow:hidden;background:#050b0e}.video-stage video{display:block;width:100%;height:100%;object-fit:contain}.feed-corner{position:absolute;top:9px;left:10px;font-size:10px;padding:5px 8px;color:#d9e8e5;background:#071317dc;border-left:2px solid var(--cyan);pointer-events:none}.ai-feed .feed-corner{color:var(--acid);border-color:var(--acid)}.telemetry{display:grid;grid-template-columns:minmax(120px,1fr) 132px 96px 96px;border-top:1px solid var(--line);align-items:center}.telemetry>div{padding:3px 10px;border-left:1px solid var(--line)}.telemetry small{font-size:9px;color:var(--muted);display:block}.telemetry b{font:700 12px "Bahnschrift","Microsoft YaHei",sans-serif;display:block;margin-top:2px}.telemetry .timeline{border:0;padding:4px 12px}.timeline input{appearance:none;display:block;width:100%;height:3px;background:linear-gradient(to right,var(--acid) var(--progress,0%),#284147 var(--progress,0%));cursor:pointer}.timeline input::-webkit-slider-thumb{appearance:none;width:11px;height:11px;border:2px solid var(--acid);border-radius:50%;background:#0c171b;box-shadow:0 0 8px #d9ff4244}.insight-rail{min-height:0;display:flex;flex-direction:column;border:1px solid var(--line);background:#0b1b21c9}.rail-head{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid var(--line)}.rail-head small,.scope-note>small{font-size:10px;color:var(--cyan);letter-spacing:2px}.rail-head h2{font-size:17px;margin:5px 0 0}.ready{color:var(--acid);font-size:10px}.ready i{width:5px;height:5px;margin-right:5px}.rail-total{padding:14px;border-bottom:1px solid var(--line)}.rail-total>small{font-size:11px;color:var(--muted)}.rail-total>div{display:flex;align-items:baseline;gap:9px;margin:5px 0}.rail-total b{font:700 36px "Bahnschrift",sans-serif;color:var(--acid)}.rail-total span{font-size:11px;color:var(--muted)}.rail-total p,.scope-note p{font-size:11px;line-height:1.7;color:#a7babb;margin:5px 0 0}.rail-section,.model-note,.scope-note{padding:12px 14px;border-bottom:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}.section-heading h3{font-size:13px;margin:0}.section-heading>span{color:var(--muted);font-size:10px}.class-bars{display:grid;gap:7px}.bar-row label{display:flex;justify-content:space-between;font-size:10px;color:#c9dada;margin-bottom:4px}.bar-row b{font-family:"Bahnschrift",sans-serif}.bar-row>i{display:block;height:3px;background:#263e45}.bar-row>i>em{display:block;height:3px;background:var(--cyan)}.bar-row:nth-child(even)>i>em{background:var(--acid)}dl{margin:0;display:grid;gap:6px}dl>div{display:flex;justify-content:space-between;font-size:10px}dt{color:var(--muted)}dd{margin:0;color:#dce9e6}.scope-note{margin-top:auto}.scope-note h3{font-size:12px;margin:6px 0}.scope-note p{font-size:10px}.rail-foot{padding:10px 14px;font-size:10px;color:var(--muted)}.rail-foot i{width:5px;height:5px;margin-right:6px}.page-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:10px;color:var(--muted)}.page-foot i{width:6px;height:6px;margin-right:7px}.start-hint{position:fixed;inset:0;background:#061014d9;display:grid;place-items:center;z-index:10}.start-hint[hidden]{display:none}.start-hint button{border-color:var(--acid);color:var(--acid);font-size:18px;padding:24px 36px}.capture-shell video,.capture-shell .feed-corner{visibility:hidden}.capture-shell .timeline input{visibility:hidden}.capture-shell [data-role=time]{visibility:hidden}@media(min-width:2100px){.dashboard{grid-template-columns:minmax(0,1fr) 390px}.brand h1{font-size:27px}.scene-title h2{font-size:18px}.rail-head h2{font-size:20px}.class-bars{gap:12px}.bar-row label{font-size:12px}.scope-note p{font-size:12px}}@media(max-width:1200px){.shell{padding:10px;min-height:850px}.dashboard{grid-template-columns:minmax(0,1fr) 260px}.overview small,.scene-title p{display:none}.scene-state{font-size:10px}.telemetry{grid-template-columns:minmax(80px,1fr) 100px 70px 70px}.telemetry>div{padding:3px 6px}.scope-note p{font-size:9px}.brand h1{font-size:20px}}@media(max-width:900px){.shell{height:auto;min-height:100vh;grid-template-rows:auto auto auto auto}.top-actions{flex-wrap:wrap;justify-content:flex-end}.online{display:none}.overview{grid-template-columns:1fr 1fr}.overview article{min-height:52px}.dashboard{grid-template-columns:1fr}.scene-stack{grid-template-rows:repeat(2,auto)}.scene-card{grid-template-rows:44px auto 40px}.feed .video-stage{aspect-ratio:16/9}.insight-rail{display:grid;grid-template-columns:1fr 1fr}.rail-head,.scope-note,.rail-foot{grid-column:1/-1}.page-foot{flex-wrap:wrap}.scene-state{display:none}.topbar{gap:10px}.brand p{display:none}}
/* Keep the explanatory rail inside short desktop viewports. */
@media(max-height:1000px) and (min-width:901px){.insight-rail{overflow-y:auto;scrollbar-width:thin;scrollbar-color:#36545b #0b1b21}}