:root{font-family:Inter,SF Pro Display,PingFang SC,Microsoft YaHei,sans-serif;color:#23394a;background:#eff3f5;font-synthesis:none;font-weight:400;font-size:13px;--navy:#17354a;--blue:#007caa;--cyan:#19a6c8;--line:#dbe4e9;--muted:#7a8d9a;--green:#209681;--orange:#c48933}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;transition:all .18s}button:disabled{opacity:.35;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid #15a1ca;outline-offset:3px}a{color:var(--blue);text-decoration:none}button:hover{filter:brightness(.95)}.app-header{height:74px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 28px;gap:20px}.brand{display:flex;align-items:center;gap:10px;min-width:250px}.brand-icon{font-size:29px;font-weight:950;font-style:italic;letter-spacing:-4px;color:#087dac;width:42px}.brand strong{font-size:18px;letter-spacing:2px}.brand small{display:block;font-size:9px;letter-spacing:2.6px;color:#8296a2;margin-top:3px}.header-divider{width:1px;height:26px;background:var(--line)}.project-name{font-size:14px;font-weight:550}.header-right{margin-left:auto;display:flex;gap:12px;align-items:center}.status-pill{border:1px solid #dae7e9;background:#f4faf9;padding:7px 10px;border-radius:20px;font-size:11px;color:#377c73;white-space:nowrap}.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#22ad8f;margin-right:6px}.eyebrow{font-size:10px;letter-spacing:1.8px;text-transform:uppercase;color:var(--muted)}.workspace{padding:22px 26px 0;max-width:2100px;margin:auto}.titlebar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.titlebar h1{font-size:23px;font-weight:600;letter-spacing:1px;margin:5px 0 7px}.titlebar p{font-size:12px;color:var(--muted);margin:0}.tabs{display:flex;gap:4px;background:#e4ebef;padding:4px;border-radius:9px}.tab{background:none;border:0;padding:9px 18px;color:#718493;border-radius:6px}.tab.active{color:#146481;background:#fff;box-shadow:0 2px 6px #294b6510;font-weight:600}.dashboard{display:grid;grid-template-columns:228px minmax(480px,1fr) 272px;gap:16px;align-items:start}.panel{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}.panel-head{padding:18px 18px 13px;display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:650}.panel-head .num{font-weight:400;color:#8ca1ad;font-size:11px;letter-spacing:1px}.panel-content{padding:0 18px 18px}.muted{color:var(--muted)}.small{font-size:11px}.section-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#85949f;margin:18px 0 10px}.section-label:first-child{margin-top:3px}.select{width:100%;border:1px solid var(--line);border-radius:6px;background:#f9fbfc;padding:9px;color:#375061}.mode-cards{display:flex;flex-direction:column;gap:8px}.mode-card{padding:12px;background:#fff;text-align:left;border:1px solid var(--line);border-radius:7px;display:flex;gap:10px;align-items:center}.mode-card.active{border-color:#38a2c1;background:#f0f9fc}.mode-icon{width:32px;height:32px;background:#ebf2f6;color:#11789b;border-radius:6px;display:grid;place-items:center;font-size:18px}.mode-card strong{display:block;font-size:12px;font-weight:600}.mode-card small{font-size:10px;color:#8195a0;display:block;margin-top:3px}.mode-mark{margin-left:auto;color:#0985ac;font-size:14px}.rule{height:1px;background:#e7edf0;margin:17px 0}.kv{display:flex;justify-content:space-between;gap:12px;align-items:center;font-size:11px;margin:11px 0}.kv strong{font-weight:550;color:#365262}.assumption{font-size:10px;line-height:1.8;color:#947340;background:#fbf8f0;border:1px solid #efe6d2;border-radius:6px;padding:9px 10px;margin-top:15px}.primary{background:#097fa7;border:1px solid #097fa7;color:#fff;border-radius:6px;padding:10px 14px;font-weight:550}.secondary{background:#fff;border:1px solid var(--line);color:#496573;border-radius:6px;padding:9px 12px}.ghost{background:transparent;border:0;color:#6c8796;padding:4px;font-size:11px}.wide{width:100%}.button-row{display:flex;gap:7px}.button-row>*{flex:1}.left-footer{padding:14px 16px;font-size:10px;line-height:1.8;color:#8a9ca8}.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:12px}.stat{padding:14px 18px;position:relative}.stat+.stat:before{content:"";width:1px;background:#e7edf0;height:37px;position:absolute;left:0;top:19px}.stat-label{font-size:10px;color:#7b919e;letter-spacing:.5px}.stat-value{font-family:Inter,SF Pro Display,sans-serif;font-size:25px;font-weight:550;letter-spacing:-.6px;margin-top:6px}.stat-value small{font-size:10px;font-weight:400;color:#869aa6;margin-left:5px}.stat-note{font-size:9px;color:#94a4ad;margin-top:5px}.viewport{position:relative;height:540px;background:#e9eff3;border:1px solid #d5e0e7;border-radius:10px;overflow:hidden}.viewport canvas{display:block;width:100%;height:100%}.viewport-toolbar{position:absolute;top:16px;left:16px;right:16px;display:flex;align-items:start;justify-content:space-between;pointer-events:none}.viewport-toolbar>*{pointer-events:auto}.view-label{font-size:11px;color:#456174;background:#ffffffc9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid #ffffffbb;padding:9px 12px;border-radius:7px}.view-label small{display:block;font-size:9px;color:#8a9ca9;margin-top:5px}.camera-buttons{display:flex;gap:4px;padding:4px;background:#ffffffc9;border:1px solid #fff9;border-radius:7px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.camera-buttons button{background:none;border:0;padding:7px 10px;font-size:10px;color:#607c8c;border-radius:4px}.camera-buttons button.active{background:#e5eff5;color:#087f9f}.viewport-footer{position:absolute;left:17px;bottom:15px;right:17px;display:flex;justify-content:space-between;align-items:flex-end;pointer-events:none}.legend{font-size:9px;color:#6a8291;display:flex;gap:15px;background:#ffffffb5;padding:8px 10px;border-radius:5px}.legend i{display:inline-block;width:6px;height:6px;background:#50a5c5;margin-right:5px}.legend i.orange{background:#e4a855}.legend i.green{background:#42b593}.axis{font-size:9px;color:#8a9aa5;text-align:right;line-height:1.7}.overlay-chip{position:absolute;bottom:55px;left:17px;font-size:10px;background:#fffdf3e8;padding:8px 10px;border-radius:5px;color:#907645;border:1px solid #e8dfc7;pointer-events:none}.controls{display:flex;gap:10px;align-items:center;padding:13px 16px;margin-top:12px}.run{min-width:110px;display:flex;align-items:center;justify-content:center;gap:8px}.time{font-family:ui-monospace,SFMono-Regular,monospace;font-size:18px;letter-spacing:1px;margin-left:8px}.time small{font-family:inherit;font-size:9px;display:block;letter-spacing:1px;color:#8d9da8;margin-top:2px}.speed{display:flex;align-items:center;margin-left:auto;gap:8px;font-size:10px;color:#7a929f}.speed select{border:1px solid var(--line);padding:6px;border-radius:5px;background:#fff;color:#365263}.control-icon{border:1px solid var(--line);background:#fff;border-radius:5px;padding:8px 10px;color:#718e9e}.operation-tabs{display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;margin-bottom:12px}.operation-tabs button{flex:1;border:0;background:#f7fafb;font-size:11px;padding:8px}.operation-tabs button.active{background:#e5f3f8;color:#007da4;font-weight:600}.input-label{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#77909d;margin-bottom:8px}.input-label input{width:66px;padding:6px 8px;border:1px solid var(--line);border-radius:5px;color:#345263}.actions{display:grid;grid-template-columns:1fr 1fr;gap:7px}.actions button{padding:10px 4px;font-size:11px}.task-list{padding:0 16px 14px;max-height:245px;overflow:auto}.task-item{padding:10px 0;border-top:1px solid #edf2f4;display:flex;gap:9px;font-size:10px;line-height:1.6}.task-dot{height:7px;width:7px;flex-shrink:0;border:2px solid #83b8cd;border-radius:50%;margin-top:4px}.task-item strong{font-weight:550}.task-item small{color:#8ba0ab;font-size:9px}.task-state{margin-left:auto;font-size:9px;color:#3296b2;white-space:nowrap}.right-stack{display:flex;flex-direction:column;gap:12px}.health{display:flex;justify-content:space-between;font-size:10px;color:#6a8796;line-height:2.3}.health b{font-weight:500;color:#249980}.health b.warn{color:#b88537}.lower{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:13px 0 16px}.process{padding:0 18px 18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.process span{border:1px solid #dce7eb;border-radius:4px;padding:7px 9px;font-size:10px;color:#7d94a2}.process span.active{background:#eaf6fa;color:#007fa6;border-color:#b3dce8}.process i{font-style:normal;font-size:10px;color:#a2b5c0}.log{font-family:ui-monospace,PingFang SC,monospace;font-size:10px;color:#7a929f;line-height:1.9;padding:0 18px 15px;height:86px;overflow:auto}.footer{display:flex;justify-content:space-between;color:#95a6af;font-size:9px;letter-spacing:.5px;padding:0 0 18px}.footer a{color:#789aa9}.range-line{display:flex;align-items:center;gap:8px}.range-line input{width:100%;accent-color:#168db2}.range-line span{font-size:10px;color:#859daa;min-width:28px}.switch-row{font-size:11px;color:#5a7989;display:flex;align-items:center;justify-content:space-between;margin:11px 0}.switch-row input{accent-color:#0084aa}.reference-panel{display:none;position:absolute;inset:60px 16px 50px;overflow:auto;background:#fffef9f7;padding:22px;border-radius:7px;box-shadow:0 5px 20px #132e4115}.reference-panel.open{display:block}.reference-panel h2{font-size:17px;margin:0 0 12px}.reference-panel p{font-size:11px;line-height:1.9;color:#6c8190}.evidence-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.evidence-grid figure{margin:0;background:#edf1f3;border-radius:6px;overflow:hidden}.evidence-grid img{width:100%;display:block}.evidence-grid figcaption{font-size:9px;padding:7px;color:#607d8c}.source-notes{font-size:11px;line-height:2;color:#6d8490}.modal{display:none;position:fixed;inset:0;background:#19334677;z-index:20;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.modal.open{display:flex}.dialog{width:640px;max-width:94vw;max-height:90vh;overflow:auto;background:#fff;border-radius:14px;padding:27px;box-shadow:0 20px 100px #14273f55}.dialog h2{font-size:21px;margin:0 0 8px}.dialog p{font-size:12px;color:#8196a2;line-height:1.9}.param-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:22px 0}.param-grid label{font-size:11px;color:#74909f}.param-grid input{display:block;width:100%;padding:10px;margin-top:7px;border:1px solid #d9e4e9;border-radius:5px;color:#2a4e63}.dialog-footer{display:flex;justify-content:flex-end;gap:9px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%) translateY(90px);padding:13px 22px;border-radius:8px;background:#163b4eed;color:#fff;font-size:12px;z-index:40;box-shadow:0 6px 25px #11304622;transition:transform .25s}.toast.show{transform:translate(-50%) translateY(0)}.legend-heat{display:none}.heat .legend-heat{display:inline}.heat .legend-normal{display:none}.engine-badge{position:absolute;right:16px;bottom:56px;font-size:9px;color:#879ea9;background:#fff9;padding:7px;border-radius:4px}.selection{font-size:11px;background:#f3f8fa;border:1px solid #dfebef;border-radius:5px;padding:9px;margin-top:10px;color:#567b8d;line-height:1.8}.hidden{display:none!important}@media(min-width:1600px){.viewport{height:615px}.dashboard{grid-template-columns:244px minmax(600px,1fr) 290px}}@media(max-width:1180px){.dashboard{grid-template-columns:205px minmax(400px,1fr)}.right-stack{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr 1fr}.workspace{padding:17px}.header-right .status-pill{display:none}.viewport{height:500px}}@media(max-width:760px){.app-header{padding:0 16px;height:63px}.brand{min-width:0}.brand strong{font-size:15px}.project-name,.header-divider,.header-right{display:none}.titlebar{display:block}.tabs{margin-top:15px;width:max-content}.dashboard{display:flex;flex-direction:column}.left-panel{width:100%}.left-panel .panel-content{display:grid;grid-template-columns:1fr 1fr;gap:14px}.left-panel .rule,.left-panel .assumption,.left-panel .specs,.left-panel .left-footer{display:none}.left-panel .mode-cards{flex-direction:row;grid-column:1/-1}.mode-card{flex:1;padding:8px}.mode-icon{display:none}.center{width:100%}.viewport{height:420px}.right-stack{width:100%;display:block}.right-stack>.panel{margin-bottom:12px}.lower{grid-template-columns:1fr}.stats .stat{padding:10px}.stat-value{font-size:20px}.camera-buttons button{padding:6px}.legend{gap:6px}.workspace{padding:14px}.param-grid{grid-template-columns:1fr 1fr}.footer{line-height:1.8}.controls{flex-wrap:wrap}.time{font-size:14px}}.port-label{margin:14px 0 7px}.parallel-button{margin-top:8px}.rebalance-buttons{margin-top:12px}.rebalance-preview{line-height:1.7;margin-top:8px}.control-status{border:1px solid #c6e5df;background:#f1faf7;color:#268671;padding:9px;margin:13px 0;border-radius:6px;font-size:11px}.control-status.held{background:#fff3e9;color:#ae5c29;border-color:#ecc9ab}.emergency-row{color:#b85a47}.control-note{line-height:1.7;margin-bottom:0}.engineering-dialog{width:980px}.engineering-title{display:flex;justify-content:space-between;gap:20px;align-items:center}.engineering-title h2{margin-top:8px}.engineering-title button{flex-shrink:0}.engineering-basis{font-size:12px;margin:14px 0 22px}.engineering-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:28px}.engineering-layout h3{font-size:13px;margin:0 0 14px}.engineering-inputs{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:17px}.engineering-inputs label{font-size:11px;color:#647e8d;line-height:1.6}.engineering-inputs input{display:block;width:100%;margin-top:5px;border:1px solid var(--line);border-radius:5px;padding:9px;color:#24485d}.engineering-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px}.engineering-metrics>div{background:#f0f6f8;border:1px solid #e0ebef;border-radius:6px;padding:12px}.engineering-metrics span{font-size:10px;color:#6e8c9c}.engineering-metrics strong{display:block;font-size:22px;margin-top:5px;font-weight:500}.engineering-metrics small{font-size:11px;color:#8196a2}.engineering-warnings{padding-left:17px;color:#9b7134;font-size:11px;line-height:1.9;margin:18px 0}.engineering-warnings .positive{color:#25917c}#engineeringState{font-weight:400;font-size:10px;color:#9a783c;margin-left:8px}.engineering-table{width:100%;border-collapse:collapse;font-size:11px;margin-bottom:18px}.engineering-table th{text-align:left;font-weight:400;color:#6e8594;padding:8px;border-bottom:1px solid var(--line)}.engineering-table td{padding:7px 8px}.distance-bar{background:linear-gradient(to right,#deedf3 var(--distance),transparent var(--distance));padding:5px;border-radius:3px}.engineering-layout details{margin:15px 0;color:#7a8d9a;font-size:11px;line-height:1.8}.engineering-layout summary{cursor:pointer;color:#376b82}.engineering-layout pre{overflow:auto;white-space:pre-wrap;font-size:10px}.engineering-layout details ul{padding-left:17px}@media(max-width:760px){.engineering-layout{grid-template-columns:1fr}.engineering-dialog{padding:20px}.engineering-title h2{font-size:18px}}.physics-evidence{margin-top:24px;border-top:1px solid var(--line);padding-top:18px}.physics-evidence summary{cursor:pointer;font-size:13px;color:#286d87}.physics-evidence img{width:100%;display:block}.physics-evidence p{font-size:11px}@media(max-width:760px){.left-panel .specs{display:block;grid-column:1/-1}.left-panel .specs .kv{display:none}.left-panel .specs .section-label{margin-bottom:10px}.engineering-table{font-size:10px}}