:root{color-scheme:dark;--bg:#101416;--panel:#151a1d;--line:#2b3337;--text:#e5eae9;--muted:#889397;--accent:#9ddac9;--orange:#e6a16b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:13px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC",sans-serif}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer;min-height:36px;border-radius:5px;padding:7px 12px;transition:background .18s,border-color .18s}button:hover{background:#283238;border-color:#64747a}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled{opacity:.35;cursor:default}a{color:inherit;text-decoration:none}header{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 30px;gap:32px}.brand{display:flex;align-items:center;gap:17px;letter-spacing:3px;font-size:15px}.brandmark{font:italic 34px Georgia;color:#e8eeed}.brand b{font-weight:400;letter-spacing:2px;font-size:10px;color:var(--muted);margin-left:14px}.header-note{margin-left:auto;color:var(--muted);font-size:11px}.header-note span{margin:0 10px;color:#455157}main{display:grid;grid-template-columns:244px minmax(300px,1fr) 280px;height:calc(100dvh - 116px);min-height:580px}aside{padding:26px 23px;background:linear-gradient(145deg,#161c1f,#111719);min-height:0}.left{border-right:1px solid var(--line);display:flex;flex-direction:column}.eyebrow{font-size:9px;letter-spacing:2px;color:#90a19f}h1{font-size:31px;line-height:1.4;letter-spacing:-1px;font-weight:400;margin:16px 0 6px}.intro{color:var(--muted);font-size:12px;margin:0 0 28px}.catalog-head,.list-head{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#a7b1b2}.catalog-head #count{font-size:9px;color:var(--muted);font-variant-numeric:tabular-nums}nav{margin:12px -8px 20px}nav button{width:100%;display:flex;align-items:center;gap:12px;border:0;text-align:left;padding:8px 10px;min-height:39px;color:#9facaf}nav button .sys-no{font:10px monospace;color:#586b71}nav button .sys-count{margin-left:auto;font:10px monospace;color:#677e84}nav button.active{color:#cdece2;background:#253833}nav button.active .sys-no{color:var(--accent)}.search{display:flex;gap:8px;align-items:center;border:1px solid var(--line);padding:5px 9px;border-radius:4px;color:var(--muted)}.search input{background:none;border:0;color:var(--text);width:100%;min-width:0;font-size:11px;height:26px;outline:0}.list-head{margin:16px 0 8px;font-size:10px}#parts{overflow:auto;flex:1;min-height:70px;margin:0 -8px;scrollbar-width:thin;scrollbar-color:#38464a transparent}#parts button{display:block;width:100%;font-size:11px;min-height:34px;text-align:left;border:0;color:#899da2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:7px 8px}#parts button.active{background:#293b36;color:#b9eadb}#parts button span{color:#4e656c;font:9px monospace;margin-right:9px}.left-foot{font-size:9px;color:#5f747a;margin-top:16px}.left-foot i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#8cc6b3;margin-right:7px}.stage{position:relative;min-width:0;overflow:hidden;background:radial-gradient(ellipse at 50% 43%,#273337 0%,#182124 42%,#11181b 76%)}.stage-top{position:absolute;top:28px;left:30px;right:26px;display:flex;justify-content:space-between;z-index:2;pointer-events:none}.stage-top h2{font-size:28px;letter-spacing:5px;font-weight:300;margin:3px 0}.stage-top p{margin:0;font-size:11px;color:#899c9f}.view-buttons{display:flex;gap:2px;align-items:flex-start;pointer-events:auto}.view-buttons button{min-width:38px;font-size:10px;padding:7px 9px;border:0;background:#151d2088;color:#9cadb1}.view-buttons button.active{background:#34433f;color:#d1eee3}#viewport{position:absolute;inset:94px 0 184px}canvas{display:block;width:100%;height:100%;touch-action:none;outline:0}#loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#b9c8c5;z-index:2;background:#11181b}#loading[hidden]{display:none}#pick-label{position:absolute;pointer-events:none;background:#101b1de8;border:1px solid #64867b;padding:5px 10px;border-radius:4px;font-size:11px;max-width:230px;white-space:nowrap;z-index:3}.orientation{position:absolute;bottom:169px;left:30px;right:30px;display:flex;justify-content:space-between;font:9px monospace;letter-spacing:1px;color:#597176}.control-deck{position:absolute;bottom:25px;left:30px;right:30px;border:1px solid #3b4c5066;border-radius:8px;padding:13px 18px;background:#172024ec;backdrop-filter:blur(16px)}.modes{display:flex;gap:5px;border-bottom:1px solid #2c3a3e;padding-bottom:10px}.modes button{flex:1;min-height:33px;border:0;font-size:11px;color:#8ea0a5;white-space:nowrap}.modes button.active{background:#344740;color:#c1e9d9}.slider-row{display:flex;gap:12px;align-items:center;margin-top:13px;font-size:11px}.slider-row[hidden]{display:none}.slider-row label{white-space:nowrap;color:#a0b3b5}.slider-row input{flex:1;min-width:35px;accent-color:var(--accent);height:18px;cursor:ew-resize}.slider-row output{min-width:29px;font:10px monospace;color:var(--accent)}.slider-row button{font-size:10px;padding:3px 9px;min-height:27px}.slider-row select{background:#203034;border:1px solid var(--line);font-size:10px;padding:5px;color:var(--text)}.interaction-hint{margin-top:11px;font-size:9px;color:#617b81;text-align:center}.interaction-hint span{margin:0 7px}.right{border-left:1px solid var(--line);display:flex;flex-direction:column;overflow:auto;scrollbar-width:thin}.detail-index{font:10px monospace;letter-spacing:2px;color:#657b82;margin-top:32px}.right h2{font-weight:400;font-size:23px;line-height:1.45;margin:14px 0}.detail-lead{color:#a8b6b8;font-size:12px;line-height:1.9;margin-bottom:27px}.intro-line{display:flex;gap:13px;padding:17px 0;border-top:1px solid var(--line)}.intro-line>span{font:10px monospace;color:var(--accent);padding-top:4px}.intro-line h3{font-size:12px;font-weight:400;margin:0 0 6px}.intro-line p{font-size:11px;line-height:1.8;color:var(--muted);margin:0}.primary{background:#b4dfcc;color:#122b25;border-color:#b4dfcc;margin-top:20px;width:100%;font-size:11px}.primary:hover{background:#d1eee2;border-color:#d1eee2}.model-note{border-top:1px solid var(--line);padding-top:17px;margin-top:auto;font-size:10px;color:#6f838a;line-height:1.8}.model-note strong{color:#8fa1a6;font-weight:400}.model-note p{margin:8px 0}.model-note a{color:#91b9ac;font-size:9px}.meta{display:grid;grid-template-columns:55px 1fr;gap:10px 12px;font-size:11px;border-top:1px solid var(--line);padding-top:18px}.meta dt{color:#6f868c}.meta dd{margin:0;color:#b5c2c4}.detail-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:24px 0 12px}.detail-actions button{font-size:11px}.detail-actions .wide{grid-column:span 2}.part-id{font:10px monospace;color:var(--accent);letter-spacing:1px;margin-top:27px}.part-explain{font-size:12px;color:#9cafb2;line-height:1.9}.system-description{font-size:11px;line-height:1.9;color:#91a6ab}footer{height:40px;display:flex;gap:20px;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:0 28px;font-size:9px;color:#5f777d;letter-spacing:.6px}footer button{border:0;min-height:26px;padding:3px 7px;font-size:9px;color:#7f969c}#toast{position:fixed;bottom:55px;left:50%;transform:translateX(-50%);background:#d0e9df;color:#193b31;border-radius:6px;font-size:12px;padding:9px 17px;pointer-events:none;opacity:0;transition:opacity .2s;z-index:5}#toast.visible{opacity:1}
@media(min-width:1600px){main{grid-template-columns:270px minmax(300px,1fr) 310px}aside{padding:32px}h1{font-size:36px}}
@media(max-width:1100px){main{grid-template-columns:205px minmax(300px,1fr) 230px}aside{padding:23px 16px}.brand b,.header-note{display:none}.stage-top{left:20px;right:18px}.control-deck{left:15px;right:15px;padding:12px}.stage-top h2{font-size:24px}.view-buttons{flex-wrap:wrap;max-width:88px}.right h2{font-size:20px}header{justify-content:space-between}.slider-row{gap:7px}}
@media(max-width:980px){header{height:60px;padding:0 17px}.brand{font-size:12px}.brandmark{font-size:29px}main{height:auto;min-height:0;grid-template-columns:1fr}.stage{grid-row:1;height:620px}.left{grid-row:2;border-right:0;border-top:1px solid var(--line);padding:20px;max-height:510px}.left h1,.left .eyebrow,.intro,.left-foot{display:none}nav{display:grid;grid-template-columns:1fr 1fr;margin-bottom:13px}.right{grid-row:3;border-left:0;border-top:1px solid var(--line);padding:25px}.model-note{margin-top:25px}.stage-top{top:22px}.view-buttons{max-width:none}#viewport{inset:95px 0 176px}.orientation{bottom:164px}.control-deck{bottom:18px}.interaction-hint{font-size:9px}footer{height:auto;min-height:46px;padding:12px 17px;flex-wrap:wrap;gap:5px 15px}footer>span:first-child{display:none}#parts{max-height:150px;min-height:100px}.detail-index{margin-top:20px}.intro-line{padding:12px 0}.detail-lead{margin-bottom:20px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}