/* EXO-A9 Analysis Engine · 深色遥测皮肤
   信息架构参考 EXO Motion Lab MODEL 02，物理核心为同一 ExoEngine */
:root{
  --bg:#07090c; --panel:#0d1117; --panel2:#10161e; --line:#1c2733; --line2:#243342;
  --ink:#d7e2ec; --dim:#6b7f92; --faint:#3a4a5a;
  --cyan:#28e0c8; --amber:#ffb02e; --blue:#4aa8ff; --red:#ff5964; --green:#34d47e;
  --demand:#5c6f7e;
  font-family:"IBM Plex Mono","PingFang SC","Microsoft YaHei",monospace;
  color:var(--ink); background:var(--bg);
  font-synthesis:none;
}
*{box-sizing:border-box}
body{margin:0;background:
  radial-gradient(1200px 600px at 80% -10%, rgba(40,224,200,.05), transparent 60%),
  radial-gradient(900px 500px at -10% 110%, rgba(74,168,255,.04), transparent 60%),
  var(--bg)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:99;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E")}
button,input,select{font:inherit}
button{cursor:pointer}

header{display:flex;align-items:center;gap:22px;height:66px;padding:0 26px;
  background:linear-gradient(180deg,#0b1016,#080b0f);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50}
.brand{font-size:19px;font-weight:700;letter-spacing:1px;display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--cyan);white-space:nowrap}
.brand>span{color:var(--amber)}
.brand i{border-left:1px solid var(--line2);height:22px;margin:0 4px}
.brand small{font-size:10px;letter-spacing:2px;color:var(--dim);font-weight:400}
.header-caption{font-size:12px;color:var(--dim);margin-left:auto}
.version{font-size:11px;padding:6px 10px;border:1px solid var(--line2);letter-spacing:1px;color:var(--cyan);white-space:nowrap}
.led{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);margin-right:7px;vertical-align:1px;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

main{max-width:1760px;padding:26px 26px 0;margin:auto}
.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;flex-wrap:wrap}
.eyebrow{font-size:11px;letter-spacing:2px;color:var(--faint)}
h1{font-size:26px;font-weight:650;margin:8px 0;letter-spacing:-.5px}
h1 span{font-weight:400;color:var(--dim);margin-left:8px}
.heading p{font-size:13px;color:var(--dim);margin:0}
.actions{display:flex;gap:10px}
button{border:1px solid var(--line2);background:var(--panel2);color:var(--ink);padding:10px 14px;font-size:13px;border-radius:0;transition:.15s}
button:hover{border-color:var(--faint)}
.primary{background:rgba(40,224,200,.08);color:var(--cyan);border-color:var(--cyan)}
.primary:hover{background:rgba(40,224,200,.16)}
.text-btn{padding:0;border:0;background:none;font-size:12px;color:var(--dim)}
.text-btn:hover{color:var(--cyan)}

.workspace{display:grid;grid-template-columns:300px minmax(0,1fr);gap:18px}
.panel{background:var(--panel);border:1px solid var(--line);position:relative;
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px))}
.panel::before{content:"";position:absolute;top:0;left:0;width:100%;height:1px;
  background:linear-gradient(90deg,var(--cyan),transparent 45%);opacity:.4}
.panel-title{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line)}
.panel-title h2{font-size:13px;margin:0;font-weight:600;letter-spacing:1px}
.panel-title>span,.panel-title .tag{font-size:10px;color:var(--faint);letter-spacing:1px}
.panel-body{padding:14px 16px}
.controls{height:fit-content}
.controls .panel-body{padding:14px 16px 18px}

.section-label{font-size:10px;letter-spacing:2px;color:var(--faint);margin:20px 0 12px}
.section-label:first-child{margin-top:0}
.scenarios,.tabs{display:flex;gap:4px;background:var(--panel2);border:1px solid var(--line);padding:4px}
.scenarios{margin-bottom:18px}
.scenarios button,.tabs button{flex:1;padding:7px 9px;border:0;background:none;font-size:12px;color:var(--dim);white-space:nowrap}
.scenarios .active,.tabs .active{background:rgba(40,224,200,.1);color:var(--cyan);box-shadow:inset 0 0 0 1px var(--cyan)}
.joint-tabs{border:0;background:none;padding:0;gap:6px}
.joint-tabs button{border:1px solid var(--line2);padding:5px 12px}
.plot-tabs{margin:10px 0 0}

.field{margin:15px 0}
.field-top{display:flex;justify-content:space-between;align-items:center;gap:6px}
.field label,.field-label{font-size:12px;color:var(--dim)}
.number-unit{display:flex;align-items:center;gap:4px}
.number-unit input{width:58px;text-align:right;background:var(--panel2);border:1px solid var(--line2);padding:4px;color:var(--ink);font-size:12px}
.number-unit small{font-size:10px;color:var(--faint);min-width:16px}
input[type=range]{width:100%;height:3px;accent-color:var(--cyan);background:var(--line2);cursor:pointer;margin:12px 0 3px;-webkit-appearance:none;appearance:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;background:var(--bg);border:2px solid var(--cyan);transform:rotate(45deg);cursor:grab;box-shadow:0 0 8px rgba(40,224,200,.5)}
input[type=range]::-moz-range-thumb{width:11px;height:11px;background:var(--bg);border:2px solid var(--cyan);border-radius:0}
input[type=checkbox]{accent-color:var(--cyan);width:15px;height:15px}
.joint-toggles{display:flex;gap:8px;margin-bottom:16px}
.joint-toggles label{flex:1;padding:7px;background:var(--panel2);border:1px solid var(--line);font-size:12px;text-align:center;color:var(--dim);cursor:pointer}
.joint-toggles label:has(input:checked){color:var(--cyan);border-color:var(--cyan)}
select{width:100%;padding:9px;background:var(--panel2);border:1px solid var(--line2);color:var(--ink);font-size:13px}
.help{font-size:11px;color:var(--faint);margin:8px 0 0;line-height:1.6}
.model-note{margin-top:22px;padding:12px;border:1px dashed var(--line2);font-size:11px;color:var(--dim);line-height:1.7}
.model-note p{margin:6px 0 0;color:var(--faint)}

.results{display:flex;flex-direction:column;gap:18px;min-width:0}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.metrics article{background:var(--panel);border:1px solid var(--line);padding:14px 16px;position:relative;overflow:hidden}
.metrics article::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--cyan);opacity:.55}
.metrics label{font-size:10px;color:var(--faint);letter-spacing:1px;display:block;margin-bottom:6px}
.metrics b{font-size:26px;font-weight:650;color:var(--cyan)}
.metrics small{font-size:11px;color:var(--dim);margin-left:3px}
.metrics p{margin:5px 0 0;font-size:10px;color:var(--faint)}
.metrics .negative b{color:var(--red)}
.metrics article:nth-child(2)::after{background:var(--amber)}
.metrics article:nth-child(2) b{color:var(--amber)}
.metrics article:nth-child(3)::after{background:var(--blue)}
.metrics article:nth-child(3) b{color:var(--blue)}

#alerts:empty{display:none}
.alert{border:1px solid rgba(255,176,46,.5);background:rgba(255,176,46,.06);color:var(--amber);font-size:12px;line-height:1.8;padding:10px 14px}

.visual-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px}
.gait-stage{position:relative;background:var(--panel2);border-bottom:1px solid var(--line)}
#pose3d{display:block;width:100%;touch-action:none;cursor:grab}
.stage-label{position:absolute;top:10px;right:12px;font-size:10px;letter-spacing:1px;color:var(--faint);pointer-events:none}
.stage-label b{color:var(--cyan)}
.stage-bottom{position:absolute;left:12px;bottom:10px;font-size:10px;color:var(--faint);pointer-events:none}
.stage-bottom button{pointer-events:auto;padding:4px 10px;font-size:12px}
.live{color:var(--cyan);font-size:11px}
.live.paused{color:var(--dim)}
.phase-label{display:flex;justify-content:space-between;align-items:baseline;padding:10px 16px 0;font-size:12px;color:var(--dim)}
.phase-label b{font-size:15px;color:var(--cyan)}
#phase{margin:8px 16px 4px;width:calc(100% - 32px)}
.phase-legend{display:flex;justify-content:space-between;padding:0 16px;font-size:10px;color:var(--faint)}
.instant-values{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px 16px 14px}
.instant-values label{font-size:10px;color:var(--faint);display:block;margin-bottom:3px}
.instant-values b{font-size:14px;font-weight:600}
.instant-values small{font-size:10px;color:var(--dim)}
.legend{display:flex;gap:14px;font-size:10px;color:var(--dim);padding:10px 16px 0;flex-wrap:wrap}
.legend i{display:inline-block;width:14px;height:3px;vertical-align:2px;margin-right:5px}
#chart{display:block;width:100%}
.chart-caption{display:flex;justify-content:space-between;padding:6px 16px 0;font-size:10px;color:var(--faint)}
.readouts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:12px 16px}
.readouts label{font-size:10px;color:var(--faint);display:block;margin-bottom:3px}
.readouts b{font-size:14px;font-weight:600}
.insight{border-top:1px dashed var(--line);margin:0 16px;padding:10px 0 14px}
.insight label{font-size:10px;color:var(--faint);letter-spacing:1px}
.insight p{margin:5px 0 0;font-size:12px;color:var(--dim);line-height:1.7}

.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12px}
th,td{padding:9px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
thead th{color:var(--faint);font-weight:400;font-size:10px;letter-spacing:1px}
tbody th{color:var(--dim);font-weight:500;text-align:left}
.status{padding:2px 8px;font-size:10px;border:1px solid var(--line2);color:var(--faint)}
.status.on{border-color:var(--cyan);color:var(--cyan)}

.energy{margin:10px 0}
.energy>div:first-child{display:flex;justify-content:space-between;font-size:12px;margin-bottom:5px}
.energy b{font-weight:600}
.bar{height:5px;background:var(--line);position:relative;overflow:hidden}
.bar i{position:absolute;inset:0;transform-origin:left}
.energy-block .help{padding:6px 16px 14px}
#energy-bars{padding:4px 16px 0}
#sweep{display:block;width:100%}

#comparison:empty,#comparison .empty{padding:14px 16px;font-size:12px;color:var(--faint)}
#comparison .table-scroll{max-height:280px;overflow-y:auto}

details.section-panel summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;font-size:13px;letter-spacing:1px}
details.section-panel summary::-webkit-details-marker{display:none}
details[open] summary{border-bottom:1px solid var(--line)}
.model-copy{padding:6px 16px 16px;font-size:12px;color:var(--dim);line-height:1.9}
.model-copy h3{font-size:12px;color:var(--cyan);margin:14px 0 4px;letter-spacing:1px;font-weight:600}
.model-copy p{margin:0}

footer{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:20px 0 26px;margin-top:4px;font-size:10px;color:var(--faint);letter-spacing:1px}

/* ---------- 大屏（4K / 超宽）：放宽内容宽度，按比例放大关键元素 ---------- */
@media(min-width:1900px){
  main{max-width:2560px;padding:36px 40px 0}
  header{padding:0 40px;height:74px}
  .workspace{grid-template-columns:340px minmax(0,1fr)}
  h1{font-size:30px}
  .metrics b{font-size:30px}
  .metrics article{padding:18px 20px}
  .panel-title h2{font-size:14px}
  /* 图表限宽居中：viewBox 等比缩放会把文字放大，超宽时反而难读 */
  #chart{max-width:860px;margin:0 auto}
  .chart-caption{max-width:860px;margin:0 auto}
  #sweep{max-width:700px;margin:0 auto}
  .controls .panel-body{padding:18px 20px 22px}
}
@media(max-width:1080px){
  .workspace{grid-template-columns:1fr}
  .controls{order:2}
  .results{order:1}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .visual-row{grid-template-columns:1fr}
}
@media(max-width:640px){
  header{flex-wrap:wrap;height:auto;padding:10px 14px;gap:8px 14px}
  .header-caption{display:none}
  .brand{font-size:16px}
  main{padding:18px 12px 0}
  h1{font-size:20px}
  .metrics{grid-template-columns:repeat(2,1fr);gap:8px}
  .metrics b{font-size:20px}
  .instant-values,.readouts{grid-template-columns:repeat(3,1fr);gap:6px}
  .actions{width:100%}
  .actions button{flex:1}
}