/* ===== engine fault detection build (engine-health.html) ===== */
.eh-page{padding-top:120px}
.eh-page h1{font-size:clamp(42px,5.6vw,86px);line-height:1;letter-spacing:-.03em;max-width:17ch}
.eh-page h1 span{color:var(--ink-3)}
.eh-page>.dek{margin-top:24px;max-width:70ch}
.eh .prose a,.then-now a{color:var(--mint)}
.eh-intro{font-size:17px;line-height:1.7;color:#D6D3CD;max-width:74ch;margin-bottom:34px}

/* demo */
.eh-demo{margin-top:48px;border:1px solid var(--rule-2);background:var(--bg-2);padding:18px;display:flex;flex-direction:column;gap:14px}
.ed-ctrl{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:flex-end;justify-content:space-between}
.ed-fid{display:flex;flex-direction:column;gap:8px;max-width:620px}
.ed-note{color:var(--ink-2);font-size:13.5px;line-height:1.5;margin-top:-4px}
.ed-btns{display:flex;gap:8px}
.ed-btns .btn{padding:9px 16px}
.seg{display:inline-flex;border:1px solid var(--rule-2);border-radius:6px;overflow:hidden;align-self:flex-start}
.seg button{background:none;border:0;border-right:1px solid var(--rule-2);color:var(--ink-2);font:13.5px var(--sans);padding:8px 16px;cursor:pointer}
.seg button:last-child{border-right:0}
.seg button:hover{color:var(--ink)}
.seg button.on{background:rgba(126,224,181,.12);color:var(--ink)}
.ed-time{border:1px solid var(--rule);background:var(--bg);padding:14px 16px 34px}
.et-top{display:flex;align-items:baseline;flex-wrap:wrap;gap:6px 16px;margin-bottom:10px}
.et-top b{font-family:var(--serif);font-weight:300;font-size:30px}
.et-top .warn{color:#F5B841}.et-top .bad{color:#F2766B}
#edAge{width:100%;accent-color:#7EE0B5;cursor:pointer}
.et-marks{position:relative;height:0}
.et-marks span{position:absolute;top:6px;transform:translateX(-50%);font-family:var(--mono);font-size:10px;color:var(--ink-2);white-space:nowrap}
.et-marks span::before{content:"";position:absolute;left:50%;top:-8px;width:1px;height:6px;background:currentColor}
.et-marks .tw{color:#7EE0B5}.et-marks .cv{color:#F2766B}.et-marks .fl{color:#F2766B;transform:translateX(-100%)}
.et-marks .fl::before{left:100%}
.et-marks .cv{top:20px}.et-marks .cv::before{top:-22px;height:20px}
.et-legend{display:none}
.et-legend span{margin-right:12px;white-space:nowrap}
.et-legend .fs{color:var(--ink-2)}.et-legend .tw{color:#7EE0B5}.et-legend .cv,.et-legend .fl{color:#F2766B}
.ed-signal{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ed-panel{border:1px solid var(--rule);background:var(--bg);padding:12px;display:flex;flex-direction:column;gap:8px}
.ed-panel canvas{display:block;width:100%;height:230px}
.sensors{display:flex;flex-direction:column;gap:6px;flex:1;justify-content:center}
.sr{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;padding:10px 12px;border:1px solid var(--rule);border-radius:5px;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;transition:border-color .25s,background .25s}
.sr:hover{border-color:var(--rule-2)}
.sr .sn{font-size:14px;color:#C9C6C0}
.sr .sv{display:flex;align-items:baseline;gap:8px;font-family:var(--mono);font-size:12px;white-space:nowrap}
.sr .raw{color:var(--ink-2);font-weight:400;min-width:80px;text-align:right}
.sr i{color:var(--ink-3);font-style:normal}
.sr .z{color:var(--ink);font-weight:400;min-width:56px;text-align:right}
.sr.out .z{color:#F5B841}
.sr.flag{border-color:rgba(126,224,181,.55)}
.sr.flag .sn::after{content:" · anomaly";color:#7EE0B5;font-family:var(--mono);font-size:10.5px}
.sr.sel{background:rgba(237,234,228,.05);border-color:var(--ink-2)}
.hint{color:var(--ink-3)}
.ed-tabs{display:flex;flex-wrap:wrap;gap:6px}
.ed-tabs button{background:none;border:1px solid var(--rule-2);border-radius:999px;color:var(--ink-2);font:12.5px var(--sans);padding:5px 11px;cursor:pointer}
.ed-tabs button:hover{color:var(--ink)}
.ed-tabs button.sel{border-color:#7EE0B5;color:var(--ink);background:rgba(126,224,181,.1)}
.ed-score{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--rule-2);border-radius:6px;overflow:hidden}
.ed-score>div{padding:14px 16px;display:flex;flex-direction:column;gap:4px}
.ed-score>div+div{border-left:1px solid var(--rule)}
.ed-score b{font-family:var(--serif);font-weight:300;font-size:24px;line-height:1.15}
.ed-score>div:nth-child(1) b{color:#7EE0B5}.ed-score>div:nth-child(2) b{color:#F2766B}
.minis{display:flex;flex-direction:column;gap:6px}
.mini{border:1px solid var(--rule);border-radius:4px;padding:6px 8px 4px;transition:border-color .3s,background .3s}
.mh{display:flex;justify-content:space-between;gap:8px;font-family:var(--mono);font-size:10.5px}
.mn{color:#C9C6C0}.ms{color:var(--ink-3)}
.mini canvas{display:block;width:100%;height:44px;margin-top:3px}
.ed-sys.conv .mini.hit{border-color:rgba(242,118,107,.55);background:rgba(242,118,107,.05)}
.ed-sys.conv .mini.hit .ms{color:#F2766B}
.ed-sys.twin .mini.hit{border-color:rgba(126,224,181,.55);background:rgba(126,224,181,.06)}
.ed-sys.twin .mini.hit .ms{color:#7EE0B5}
.ed-race{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ed-sys{border:1px solid var(--rule);background:var(--bg);padding:14px;display:flex;flex-direction:column;gap:10px}
.ed-sys.conv{border-top:2px solid rgba(242,118,107,.6)}
.ed-sys.twin{border-top:2px solid rgba(126,224,181,.7)}
.sys-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.sys-head h3{font-family:var(--serif);font-weight:400;font-size:24px;margin:4px 0 4px}
.sys-head p{color:var(--ink-2);font-size:13.5px;line-height:1.5;max-width:46ch}
.badge{flex:none;font-family:var(--mono);font-size:11px;font-weight:400;padding:6px 10px;border:1px solid var(--rule-2);border-radius:999px;color:var(--ink-2);white-space:nowrap}
.ed-sys.conv .badge.hit{color:#F2766B;border-color:rgba(242,118,107,.6);background:rgba(242,118,107,.08)}
.ed-sys.twin .badge.hit{color:#7EE0B5;border-color:rgba(126,224,181,.6);background:rgba(126,224,181,.1)}
.badge.miss{color:#F2766B;border-color:rgba(242,118,107,.6)}
.ed-result{border:1px solid var(--rule-2);border-radius:6px;padding:16px 18px;font-family:var(--serif);font-weight:300;font-size:clamp(18px,1.7vw,22px);line-height:1.45;color:#D6D3CD;min-height:3.4em}
.ed-result b{color:var(--ink);font-weight:400}
.ed-table{border:1px solid var(--rule);background:var(--bg);padding:14px 16px;overflow-x:auto}
.ed-table table{width:100%;border-collapse:collapse;margin-top:10px;font-size:14px;min-width:560px}
.ed-table th{font-family:var(--mono);font-size:10.5px;font-weight:400;color:var(--ink-3);text-align:left;padding:6px 10px 8px 0;border-bottom:1px solid var(--rule)}
.ed-table td{padding:9px 10px 9px 0;border-bottom:1px solid var(--rule);color:#C9C6C0}
.ed-table td:last-child{color:var(--mint)}
.ed-table tr.on td{color:var(--ink)}
.ed-table tr.on td:first-child{box-shadow:inset 2px 0 0 #7EE0B5;padding-left:10px}
.es-key{display:flex;flex-wrap:wrap;gap:6px 16px;font-family:var(--mono);font-size:10.5px;color:var(--ink-2)}
.es-key span{display:inline-flex;align-items:center;gap:6px}
.k{display:inline-block;width:12px;height:3px;border-radius:2px}
.k.ink{background:rgba(237,234,228,.75)}.k.amb{background:#F5B841}.k.mint{background:#7EE0B5}
.k.out{border:1.2px dashed #7EE0B5;height:8px}
.k.nrm{background:rgba(126,224,181,.25);height:8px}
.es-note{color:var(--ink-3);font-size:10.5px}

/* toy tag at the end */
.toy-tag .tt{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:end;border:1px solid var(--rule);background:linear-gradient(180deg,rgba(126,224,181,.06),var(--bg-2));padding:34px}
.toy-tag h2{margin-bottom:18px}
.toy-tag p{font-size:16.5px;line-height:1.7;color:#D6D3CD;max-width:62ch}
.tt-cta{display:flex;flex-direction:column;gap:10px;align-items:flex-start}

/* paper */
.pipeline{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.pipeline li{border:1px solid var(--rule);background:var(--card);padding:20px;display:flex;flex-direction:column;gap:10px}
.pipeline h3{font-family:var(--serif);font-weight:400;font-size:21px;line-height:1.2}
.pipeline p{color:#C9C6C0;font-size:14px;line-height:1.6}
.pipeline .aside{color:var(--ink-2);font-size:13px}
.eq{font-family:var(--serif);font-size:16px;line-height:1.5;color:var(--mint);background:var(--bg);border:1px solid var(--rule);padding:10px 12px;overflow-x:auto}
.eq sub,.eq sup{font-size:.7em}
.eh-models{display:flex;flex-direction:column;gap:12px}
.eh-models>div{border:1px solid var(--rule);background:var(--bg-2);padding:18px 20px}
.eh-models b{display:block;font-family:var(--serif);font-weight:300;font-size:28px;margin:6px 0 6px}
.eh-models p{color:var(--ink-2);font-size:14px;line-height:1.55}

@media (max-width:1180px){.pipeline{grid-template-columns:repeat(2,1fr)}.pipeline li:last-child{grid-column:1/-1}}
@media (max-width:900px){.ed-signal,.ed-race,.toy-tag .tt{grid-template-columns:1fr}.toy-tag .tt{gap:20px;padding:24px}}
@media (max-width:560px){
  .eh-page{padding-top:96px}
  .eh-demo{padding:12px}
  .seg{width:100%}.seg button{flex:1;padding:8px 6px}
  .pipeline{grid-template-columns:1fr}
  .pipeline li:last-child{grid-column:auto}
  .sys-head{flex-direction:column}
  .ed-score{grid-template-columns:1fr}
  .ed-score>div+div{border-left:0;border-top:1px solid var(--rule)}
  .sr .raw{min-width:0}
  .et-marks span{font-size:0}
  .et-marks span::before{height:10px;top:-10px;width:2px}
  .et-marks .cv{top:6px}.et-marks .cv::before{top:-10px;height:10px}
  .ed-time{padding-bottom:14px}
  .et-legend{display:flex;flex-wrap:wrap;gap:4px 0;margin-top:14px;font-size:10.5px}
}

/* ===== report figures (v6) ===== */
.eh-steps{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}
.eh-steps a{display:inline-flex;align-items:baseline;gap:8px;border:1px solid var(--rule-2);border-radius:999px;padding:7px 14px;font-size:13.5px;color:var(--ink-2);transition:border-color .2s,color .2s}
.eh-steps a:hover{color:var(--ink);border-color:var(--ink-2)}
.eh-steps .num{color:var(--mint)}
.eh-wide p{font-size:17px;line-height:1.7;color:#D6D3CD;max-width:78ch}
.eh-wide p+p{margin-top:14px}
.fig{border:1px solid var(--rule);background:var(--bg-2);padding:16px;display:flex;flex-direction:column;gap:12px}
.fig canvas{display:block;width:100%;height:260px}
.fig figcaption{font-size:14px;line-height:1.55;color:var(--ink-2)}
.fig figcaption b{color:var(--ink);font-weight:500}
.fig-ctrl{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.fig-ctrl .num{margin-right:6px}
.fig-ctrl button{background:none;border:1px solid var(--rule-2);border-radius:6px;color:var(--ink-2);font:13px var(--mono);min-width:38px;padding:6px 8px;cursor:pointer}
.fig-ctrl button.on{border-color:#7EE0B5;color:var(--ink);background:rgba(126,224,181,.1)}
#figCirc{height:340px}
.fig.two .rv{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.fig.two .rv>div{display:flex;flex-direction:column;gap:6px}
.fig.two canvas{height:220px}
.fp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.fp{border:1px solid var(--rule);background:var(--bg-2);padding:12px;display:flex;flex-direction:column;gap:10px}
.fp canvas{display:block;width:100%;height:130px}
.fp figcaption{display:flex;flex-direction:column;gap:4px;font-size:13px;line-height:1.45;color:var(--ink-2)}
.fp figcaption b{color:var(--ink);font-weight:500;font-size:14px}
.pipe-fig{margin-top:34px;border:1px solid var(--rule-2);background:var(--bg-2);padding:16px;display:flex;flex-direction:column;gap:14px}
.pf-ctrl{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.pf-ctrl .btn{padding:8px 14px}
.pf-status{font-family:var(--serif);font-weight:300;font-size:18px;line-height:1.4;color:#D6D3CD;flex:1;min-width:260px;margin-left:8px}
.pf-status.warn{color:#F5B841}.pf-status.good{color:#7EE0B5}
.pf-row{display:grid;grid-template-columns:1.35fr auto 0.8fr auto 1.2fr;gap:10px;align-items:stretch}
.pf-panel{border:1px solid var(--rule);background:var(--bg);padding:10px;display:flex;flex-direction:column;gap:8px}
.pf-panel canvas{display:block;width:100%;height:200px}
.pf-arrow{align-self:center;font-family:var(--mono);font-size:22px;color:#7EE0B5}
.pf-score{border:1px solid var(--rule);background:var(--bg);padding:14px;display:flex;flex-direction:column;justify-content:center;gap:10px}
.pf-score b{font-family:var(--serif);font-weight:300;font-size:26px}
.pf-eq{display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:12.5px;color:var(--ink-2)}
.pf-eq .z{font-family:var(--serif);font-size:30px;color:var(--ink);transition:color .2s}
.pf-eq .z.out{color:#F5B841}
.k.nrm{background:rgba(126,224,181,.25);height:8px}
@media (max-width:1180px){.fp-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:980px){
  .pf-row{grid-template-columns:1fr}
  .pf-arrow{transform:rotate(90deg);justify-self:center;line-height:1}
}
@media (max-width:760px){.fp-grid{grid-template-columns:repeat(2,1fr)}.fig.two .rv{grid-template-columns:1fr}}
@media (max-width:480px){.fp-grid{grid-template-columns:1fr}.fig canvas{height:230px}#figCirc{height:320px}}

/* comparison grid: System A and B side by side, one shared row per sensor (v8) */
.ed-race{grid-template-columns:1fr 1fr;gap:8px 14px;align-items:stretch}
.ed-race .sys-head{border:1px solid var(--rule);background:var(--bg);padding:14px;flex-direction:row}
.ed-race .sys-head.conv{border-top:2px solid rgba(242,118,107,.6)}
.ed-race .sys-head.twin{border-top:2px solid rgba(126,224,181,.7)}
.sys-head.conv .badge.hit{color:#F2766B;border-color:rgba(242,118,107,.6);background:rgba(242,118,107,.08)}
.sys-head.twin .badge.hit{color:#7EE0B5;border-color:rgba(126,224,181,.6);background:rgba(126,224,181,.1)}
.ed-race .mini{background:var(--bg)}
.mini.conv.hit{border-color:rgba(242,118,107,.55);background:rgba(242,118,107,.05)}
.mini.conv.hit .ms{color:#F2766B}
.mini.twin.hit{border-color:rgba(126,224,181,.55);background:rgba(126,224,181,.06)}
.mini.twin.hit .ms{color:#7EE0B5}
@media (max-width:900px){.ed-race{grid-template-columns:1fr 1fr}}
@media (max-width:560px){
  .ed-race{gap:6px 8px}
  .ed-race .sys-head{flex-direction:column;padding:10px}
  .ed-race .sys-head h3{font-size:18px}
  .ed-race .sys-head p{font-size:12px}
  .ed-race .badge{white-space:normal;font-size:10px}
  .mh{flex-direction:column;gap:2px;font-size:9.5px}
  .mini canvas{height:38px}
}