/* ================= Hydraulic System Designer — light engineering theme ================= */
:root{
  --bg:#eef1f6;
  --panel:#ffffff;
  --panel-2:#f7f9fc;
  --line:#dde3ec;
  --line-2:#c8d2e0;
  --ink:#1c2431;
  --ink-2:#5b6779;
  --ink-3:#8b96a8;
  --accent:#0f6fd6;
  --accent-soft:#e5f0fd;
  --ok:#16a34a;
  --warn:#d97706;
  --danger:#dc2626;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 4px 14px rgba(16,24,40,.06);
  --radius:8px;
  /* aliases: these two were referenced 18x across the sheet but never declared,
     which silently killed every muted/secondary text colour                  */
  --text:#1c2431;
  --muted:#5b6779;
  --mono:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  font:13px/1.45 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',
       'Noto Sans','Noto Sans CJK SC','Noto Sans JP','Noto Sans KR',Arial,sans-serif;
  color:var(--ink);background:var(--bg);overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;color:inherit}
input,select{font:inherit;color:inherit}
.mono{font-family:var(--mono);font-size:11.5px}
.spacer{flex:1}
.hidden{display:none !important}

#app{display:flex;flex-direction:column;height:100vh}

/* ---------------- top bar ---------------- */
.topbar{
  display:flex;align-items:center;gap:6px;padding:0 10px;height:50px;flex:0 0 50px;
  background:var(--panel);border-bottom:1px solid var(--line);box-shadow:var(--shadow);z-index:20;
}
.brand{display:flex;align-items:center;gap:9px;padding-right:4px;min-width:0}
.logo{width:26px;height:26px;fill:none;stroke:var(--accent);stroke-width:1.9;stroke-linejoin:round;flex:0 0 auto}
.brand-text{min-width:0}
.brand-title{font-weight:650;font-size:13px;letter-spacing:-.1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-size:10.5px;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:210px}
.tb-sep{width:1px;height:26px;background:var(--line);margin:0 3px;flex:0 0 auto}
.tb-group{display:flex;align-items:center;gap:3px;flex:0 0 auto}
.tb{
  display:inline-flex;align-items:center;gap:5px;height:30px;min-width:30px;padding:0 7px;
  background:transparent;border:1px solid transparent;border-radius:6px;cursor:pointer;
  color:var(--ink-2);transition:background .12s,color .12s,border-color .12s;
}
.tb:hover{background:var(--panel-2);border-color:var(--line);color:var(--ink)}
.tb:active{background:#eaeef4}
.tb.toggle.active{background:var(--accent-soft);border-color:#bcdaf7;color:var(--accent)}
.tb.primary{background:var(--accent);color:#fff;border-color:var(--accent);padding:0 12px;font-weight:600}
.tb.primary:hover{background:#0c5fb8;color:#fff}
.tb.primary.running{background:var(--ok);border-color:var(--ok)}
.tb.primary.running:hover{background:#12873c}
.tb .ico{font-size:15px;line-height:1;display:inline-block}
.tb:disabled{opacity:.35;pointer-events:none}
.tb.site{text-decoration:none}
.tb.site .lbl{font-size:12px;font-weight:600;letter-spacing:.1px}
.site-group .tb.site{background:var(--panel-2);border-color:var(--line)}
.site-group .tb.site:hover{background:var(--accent-soft);border-color:#bcdaf7;color:var(--accent)}
.seo-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:5px 12px;background:var(--panel);border-top:1px solid var(--line);font-size:11.5px;color:var(--ink-3);flex:0 0 auto}
.seo-foot-label{font-weight:600;color:var(--ink-2);white-space:nowrap}
.seo-foot-links{display:flex;flex-wrap:wrap;gap:8px}
.seo-foot-links a{color:var(--accent);text-decoration:none;white-space:nowrap}
.seo-foot-links a:hover{text-decoration:underline}
.seo-foot-home{color:var(--ink-2);text-decoration:none;font-weight:600;white-space:nowrap}
.seo-foot-home:hover{color:var(--accent);text-decoration:underline}
.slider-inline{display:flex;align-items:center;gap:6px;color:var(--ink-2);padding:0 4px}
.slider-inline input[type=range]{width:76px}
.lang-sel{
  height:30px;border:1px solid var(--line);background:var(--panel-2);border-radius:6px;
  padding:0 6px;cursor:pointer;color:var(--ink-2);max-width:130px;
}

input[type=range]{-webkit-appearance:none;appearance:none;background:transparent;height:18px}
input[type=range]::-webkit-slider-runnable-track{height:4px;background:var(--line-2);border-radius:2px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;border-radius:50%;
  background:var(--accent);margin-top:-4.5px;border:2px solid #fff;box-shadow:0 1px 2px rgba(0,0,0,.25)}
input[type=range]::-moz-range-track{height:4px;background:var(--line-2);border-radius:2px}
input[type=range]::-moz-range-thumb{width:13px;height:13px;border-radius:50%;background:var(--accent);border:2px solid #fff}

/* ---------------- workspace ---------------- */
.workspace{flex:1;display:flex;min-height:0}
.panel{background:var(--panel);display:flex;flex-direction:column;min-height:0;z-index:10}
.panel.left{width:236px;flex:0 0 236px;border-right:1px solid var(--line)}
.panel.right{width:302px;flex:0 0 302px;border-left:1px solid var(--line)}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:9px 11px;font-weight:650;font-size:11.5px;letter-spacing:.4px;text-transform:uppercase;
  color:var(--ink-2);border-bottom:1px solid var(--line);flex:0 0 auto;
}
.badge{background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:1px 7px;
  font-size:10.5px;font-weight:600;color:var(--ink-3);text-transform:none;letter-spacing:0}
/* circuit-check status badge */
.badge-check{margin-left:6px;padding:1px 7px;border-radius:9px;font-size:10.5px;font-weight:600;cursor:default}
.badge-check.ok{color:var(--ok)}
.badge-check.err{color:#dc2626;background:#fdecec;border:1px solid #f5c2c2}
.badge-check.warn{color:var(--warn);background:#fff4e0;border:1px solid #f3d8a8}
.panel-search{padding:8px;border-bottom:1px solid var(--line);flex:0 0 auto}
.panel-search input{
  width:100%;height:29px;border:1px solid var(--line);border-radius:6px;padding:0 9px;background:var(--panel-2);
}
.panel-search input:focus{outline:none;border-color:var(--accent);background:#fff}
.panel-body{flex:1;overflow-y:auto;overflow-x:hidden;min-height:0}
.panel-foot{padding:7px 10px;border-top:1px solid var(--line);flex:0 0 auto}
.hint{font-size:11px;color:var(--ink-3);line-height:1.35}

/* palette */
.cat{border-bottom:1px solid var(--line)}
.cat-head{
  display:flex;align-items:center;gap:6px;width:100%;padding:7px 10px;background:var(--panel-2);
  border:0;cursor:pointer;font-weight:600;font-size:11.5px;color:var(--ink-2);text-align:left;
}
.cat-head:hover{background:#eef2f8}
.cat-head .chev{transition:transform .15s;font-size:9px;color:var(--ink-3)}
.cat.collapsed .chev{transform:rotate(-90deg)}
.cat.collapsed .cat-items{display:none}
.cat-items{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:6px}
.pal-item{
  display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 3px 5px;
  border:1px solid transparent;border-radius:6px;background:transparent;cursor:pointer;overflow:hidden;
}
.pal-item:hover{background:var(--accent-soft);border-color:#c9e0f8}
.pal-item.active{background:var(--accent-soft);border-color:var(--accent)}
.pal-item svg{width:52px;height:38px;color:var(--ink);flex:0 0 auto}
.pal-item .nm{font-size:10px;line-height:1.2;color:var(--ink-2);text-align:center;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
/* palette icons reuse the hydraulic symbol vocabulary outside .comp */
.pal-item svg .sym{fill:none;stroke:#1c2431;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.pal-item svg .sym-f{fill:#1c2431;stroke:none}
.pal-item svg .sym-d{fill:none;stroke:#1c2431;stroke-width:1.2;stroke-dasharray:4 3;stroke-linecap:round}
.pal-item svg .sym-t{fill:#1c2431;stroke:none;font-family:var(--mono);font-size:9px;text-anchor:middle}
.pal-item svg .sym-thin{fill:none;stroke:#5b6779;stroke-width:1;stroke-linecap:round}
.pal-item svg .fluid{fill:#cfe3f7;stroke:none}
.pal-item svg .moving{fill:#dbe6f2;stroke:#1c2431;stroke-width:1.4}
.pal-empty{padding:18px 12px;text-align:center;color:var(--ink-3);font-size:11.5px}

/* ---------------- canvas ---------------- */
.canvas-wrap{flex:1;position:relative;min-width:0;background:#f4f6fa;overflow:hidden}
#svg{width:100%;height:100%;display:block;cursor:default;touch-action:none}
#svg.panning{cursor:grabbing}
#svg.placing{cursor:crosshair}
#svg.wiring{cursor:crosshair}

.canvas-hud{position:absolute;top:10px;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.left-hud{left:10px}
.right-hud{right:10px}
.hud-card{
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:var(--radius);
  padding:7px 10px;box-shadow:var(--shadow);pointer-events:auto;font-size:11.5px;
  display:flex;align-items:center;gap:8px;backdrop-filter:blur(4px);
}
.hud-card .dot{width:7px;height:7px;border-radius:50%;background:var(--accent)}
.legend{flex-direction:column;align-items:stretch;gap:4px;width:150px}
.legend-title{font-size:10.5px;font-weight:650;color:var(--ink-2);text-transform:uppercase;letter-spacing:.3px}
.legend-bar{height:8px;border-radius:4px;border:1px solid var(--line-2);
  background:linear-gradient(90deg,#3b82f6 0%,#22c55e 30%,#eab308 60%,#f97316 80%,#ef4444 100%)}
.legend-scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:9.5px;color:var(--ink-3)}
.mini{border:1px solid var(--line);background:var(--panel-2);border-radius:5px;
  padding:1px 6px;font-size:10.5px;cursor:pointer;color:var(--ink-2)}
.mini:hover{background:#eaeef4}

/* svg element styling */
.comp{cursor:move}
.comp .sym{fill:none;stroke:#1c2431;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.comp .sym-f{fill:#1c2431;stroke:none}
.comp .sym-d{fill:none;stroke:#1c2431;stroke-width:1.2;stroke-dasharray:4 3;stroke-linecap:round}
.comp .sym-t{fill:#1c2431;stroke:none;font-family:var(--mono);font-size:9px;text-anchor:middle}
.comp .sym-thin{fill:none;stroke:#5b6779;stroke-width:1;stroke-linecap:round}
.comp .hit{fill:transparent;stroke:none}
.comp .lbl{fill:#5b6779;font-size:9.5px;text-anchor:middle;font-family:var(--mono);pointer-events:none}
.comp .rdout{fill:#0f6fd6;font-size:9px;text-anchor:middle;font-family:var(--mono);pointer-events:none;font-weight:600}
.comp.selected .sym,.comp.selected .sym-d{stroke:var(--accent)}
.comp.selected .sym-f{fill:var(--accent)}
.comp.selected .sel-box{fill:rgba(15,111,214,.06);stroke:var(--accent);stroke-width:1;stroke-dasharray:3 2;vector-effect:non-scaling-stroke}
.comp .sel-box{fill:none;stroke:none}
.comp.hovered .sel-box{fill:rgba(15,111,214,.04);stroke:#9dc4ec;stroke-width:1;stroke-dasharray:3 2;vector-effect:non-scaling-stroke}
.comp .fluid{fill:#cfe3f7;stroke:none}
.comp .moving{fill:#dbe6f2;stroke:#1c2431;stroke-width:1.4}

.port{fill:#fff;stroke:#7b8798;stroke-width:1.2;cursor:crosshair}
.port:hover{fill:#ffd97a;stroke:var(--warn);stroke-width:2;r:5}
.port.connected{fill:#1c2431;stroke:#1c2431}
.port.wiring-src{fill:var(--warn);stroke:var(--warn)}
.port-lbl{fill:#8b96a8;font-size:8px;font-family:var(--mono);text-anchor:middle;pointer-events:none}

.wire{fill:none;stroke:#33404f;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;cursor:pointer}
.wire-hit{fill:none;stroke:transparent;stroke-width:11;cursor:pointer}
.wire.selected{stroke:var(--accent);stroke-width:3}
.wire.pilot{stroke-dasharray:5 3.5}
.wire-flow-bg{fill:none;stroke:#0b1018;stroke-width:4;stroke-linecap:round;
  stroke-dasharray:2 9;opacity:.6;pointer-events:none}
.wire-flow{fill:none;stroke:#fff;stroke-width:1.8;stroke-linecap:round;
  stroke-dasharray:2 9;opacity:.95;pointer-events:none}
.wire-preview{fill:none;stroke:var(--warn);stroke-width:2;stroke-dasharray:5 4;pointer-events:none}
.marquee{fill:rgba(15,111,214,.08);stroke:var(--accent);stroke-width:1;stroke-dasharray:4 3}
.node-tag{fill:#0f6fd6;font-size:9px;font-family:var(--mono);text-anchor:middle;pointer-events:none}
.node-tag-bg{fill:rgba(255,255,255,.85);stroke:none;pointer-events:none}

/* ---------------- inspector ---------------- */
.tabs{display:flex;border-bottom:1px solid var(--line);flex:0 0 auto;background:var(--panel-2)}
.tab{
  flex:1;padding:9px 2px;background:transparent;border:0;border-bottom:2px solid transparent;
  cursor:pointer;font-size:11px;font-weight:600;color:var(--ink-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis
}
.tab:hover{color:var(--ink-2)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent);background:var(--panel)}
.sec{border-bottom:1px solid var(--line);padding:10px 12px}
.sec-title{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--ink-3);margin-bottom:8px}
.row{display:flex;align-items:center;gap:8px;margin-bottom:7px}
.row:last-child{margin-bottom:0}
.row label{flex:1;font-size:11.5px;color:var(--ink-2);min-width:0;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row .ctl{flex:0 0 116px;display:flex;align-items:center;gap:4px}
.row input[type=number],.row input[type=text],.row select{
  width:100%;height:26px;border:1px solid var(--line);border-radius:5px;padding:0 6px;
  background:var(--panel-2);font-family:var(--mono);font-size:11.5px;
}
.row input[type=text]{font-family:inherit;font-size:12px}
.row input:focus,.row select:focus{outline:none;border-color:var(--accent);background:#fff}
.row .unit{font-size:10px;color:var(--ink-3);font-family:var(--mono);flex:0 0 auto;width:30px}
.row input[type=range]{width:100%}
.row input[type=checkbox]{width:15px;height:15px;accent-color:var(--accent);cursor:pointer}

.readout{display:flex;justify-content:space-between;align-items:baseline;padding:4px 0;border-bottom:1px dashed var(--line)}
.readout:last-child{border-bottom:0}
.readout .k{font-size:11.5px;color:var(--ink-2)}
.readout .v{font-family:var(--mono);font-size:12px;font-weight:600;color:var(--ink)}
.readout .v.hi{color:var(--danger)}
.readout .v.on{color:var(--ok)}

.empty{padding:34px 18px;text-align:center;color:var(--ink-3);font-size:12px;line-height:1.6}
.empty .big{font-size:26px;display:block;margin-bottom:8px;opacity:.4}

.ctrl-card{border:1px solid var(--line);border-radius:var(--radius);margin:8px 10px;overflow:hidden;background:var(--panel)}
.ctrl-card .ch{display:flex;align-items:center;gap:6px;padding:6px 9px;background:var(--panel-2);
  border-bottom:1px solid var(--line);font-size:11.5px;font-weight:600}
.ctrl-card .ch .tag{font-family:var(--mono);font-size:9.5px;color:var(--ink-3);
  border:1px solid var(--line);border-radius:4px;padding:0 4px}
.ctrl-card .cb{padding:8px 9px}
.seg{display:flex;gap:0;border:1px solid var(--line);border-radius:6px;overflow:hidden}
.seg button{flex:1;padding:5px 2px;background:var(--panel-2);border:0;border-right:1px solid var(--line);
  cursor:pointer;font-size:11px;font-weight:600;color:var(--ink-2)}
.seg button:last-child{border-right:0}
.seg button:hover{background:#e9eef5}
.seg button.on{background:var(--accent);color:#fff}
.btn-wide{width:100%;padding:6px;border:1px solid var(--line);background:var(--panel-2);
  border-radius:6px;cursor:pointer;font-size:11.5px;font-weight:600;color:var(--ink-2)}
.btn-wide:hover{background:#e9eef5;color:var(--ink)}
.btn-wide.danger{color:var(--danger);border-color:#f3c9c9}
.btn-wide.danger:hover{background:#fdecec}
.btn-wide.on{background:var(--ok);border-color:var(--ok);color:#fff}
.btn-row{display:flex;gap:6px}
.btn-row .btn-wide{flex:1}

/* ---------------- fault injection ---------------- */
.sec.fault-on{background:#fff8f6;border-left:3px solid var(--danger)}
.fault-flag{display:inline-block;margin-left:6px;padding:1px 6px;border-radius:9px;
  background:#fdecec;color:var(--danger);font-size:9.5px;font-weight:700;letter-spacing:.2px}

/* ---------------- oscilloscope ---------------- */
.scope-wrap{padding:10px 10px 6px}
#scopeCanvas{width:100%;height:190px;display:block;border:1px solid var(--line);
  border-radius:var(--radius);background:var(--panel-2)}
.scope-meta{display:flex;justify-content:space-between;font-size:10px;color:var(--ink-3);
  font-family:var(--mono);padding:3px 1px 0}
.trace{display:flex;align-items:center;gap:7px;padding:4px 0;border-bottom:1px dashed var(--line);cursor:pointer}
.trace:last-child{border-bottom:0}
.trace input{margin:0;flex:0 0 auto}
.trace .sw{width:12px;height:3px;border-radius:2px;flex:0 0 auto}
.trace .nm{flex:1;font-size:11px;color:var(--ink-2);min-width:0;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.trace .val{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--ink);flex:0 0 auto}
.trace.off .nm,.trace.off .val{color:var(--ink-3);opacity:.6}

/* ---------------- status bar ---------------- */
.statusbar{
  display:flex;align-items:center;gap:14px;height:26px;flex:0 0 26px;padding:0 12px;
  background:var(--panel);border-top:1px solid var(--line);font-size:11px;color:var(--ink-3);z-index:20;
}
.statusbar .st{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#stMsg{color:var(--ink-2);max-width:50%}
#stPmax.warn{color:var(--danger);font-weight:700}
/* ---- canvas fault highlighting ---- */
.comp.cav{filter:drop-shadow(0 0 6px #ff5a3c)}
.comp.over{filter:drop-shadow(0 0 6px #ff2d2d)}
.comp.hot{filter:drop-shadow(0 0 6px #ffb020)}
.wire.cav{filter:drop-shadow(0 0 3px #ff5a3c)}
.wire.over{filter:drop-shadow(0 0 3px #ff2d2d)}
/* peak-based diagnostics: survive after the run stops (see paintDiagnostics) */
.comp.fault-warn{filter:drop-shadow(0 0 6px #ffb020)}
.comp.fault-crit{filter:drop-shadow(0 0 7px #ff2d2d)}
.comp.fault-warn,.comp.fault-crit{cursor:pointer}
.wire.fault-warn{filter:drop-shadow(0 0 3px #ffb020)}
.wire.fault-crit{filter:drop-shadow(0 0 4px #ff2d2d)}
@keyframes faultPulse{0%,100%{opacity:1}50%{opacity:.45}}
.comp.fault-crit,.wire.fault-crit{animation:faultPulse 1.1s ease-in-out infinite}
/* ---- design sign-off report ---- */
.report{max-width:560px}
.verdict{padding:10px 14px;border-radius:9px;font-weight:700;text-align:center;margin-bottom:12px}
.verdict.pass{background:#e7f6ec;color:#15803d;border:1px solid #9bd9b3}
.verdict.warn{background:#fff4e0;color:#b45309;border:1px solid #f3c969}
.verdict.fail{background:#fdecec;color:#dc2626;border:1px solid #f0a9a9}
.rep-sec{margin:10px 0}
.rep-h{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:5px;font-weight:700}
.rep-table{width:100%;border-collapse:collapse;font-size:13px}
.rep-table td,.rep-table th{padding:5px 8px;border-bottom:1px solid var(--line);text-align:left}
.rep-table td:last-child{text-align:right;font-variant-numeric:tabular-nums}
.rep-table tr.bad td{color:#dc2626;font-weight:700}
.rep-table tr.warn td{color:#b45309}
.rep-table td.ok{color:var(--ok);font-weight:600}
.rep-table td.bad{color:#dc2626;font-weight:700}
.rep-table td.warn{color:#b45309;font-weight:600}
.rep-table .muted{color:var(--muted);font-size:11px;font-weight:400}
/* steady-state comparison table: extend vs retract, both numeric columns right-aligned */
.ss-table td:not(:first-child),.ss-table th:not(:first-child){text-align:right}
/* clickable rows: jump to the matching element on the canvas */
.rep-table tr.jump{cursor:pointer}
.rep-table tr.jump:hover td{background:#eef4fb}
.rep-table tr.jump td:first-child::after{content:'\21F2';margin-left:6px;color:var(--muted);font-size:10px;opacity:.55}
@keyframes rowFlash{0%{background:#ffe9a8}70%{background:#fff6d8}100%{background:transparent}}
.rep-table tr.flash td{animation:rowFlash 1.2s ease-out}
/* sign-off panel */
.so-panel{margin-top:14px;padding-top:10px;border-top:2px solid var(--line)}
.so-panel .verdict{margin:6px 0 10px}
.rep-note.ok{background:#eafaf0;border-color:#b6e3c8;color:#15803d}
.rep-note.bad{background:#fdecec;border-color:#f0a9a9;color:#b91c1c}
.rep-th th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.03em}
.rep-note{font-size:12px;color:var(--muted);background:#eef4fb;border:1px solid #cfe0f3;border-radius:8px;padding:8px 10px;margin:8px 0 4px;line-height:1.5}
.loss-chart{margin:2px 0 4px}
.loss-row{display:flex;align-items:center;gap:8px;margin:6px 0;font-size:13px}
.loss-label{flex:0 0 92px;text-align:left;color:var(--text)}
.loss-track{flex:1;height:14px;background:var(--line);border-radius:7px;overflow:hidden}
.loss-bar{height:100%;border-radius:7px;min-width:2px}
.eff-cell{padding:4px 8px 10px!important;background:#fafcff}
.eff-svg{display:block;margin:2px 0 0}
.loss-bar.pump{background:#2563eb}
.loss-bar.valve{background:#d97706}
.loss-bar.act{background:#16a34a}
.loss-bar.fault{background:#dc2626}
.loss-bar.heat{background:#7c3aed}
.loss-bar.other{background:#64748b}
.loss-val{flex:0 0 auto;min-width:104px;text-align:right;font-variant-numeric:tabular-nums;color:var(--muted);font-size:12px}
.loss-row.total{margin-top:8px;padding-top:7px;border-top:1px solid var(--line);font-weight:700}
.loss-row.total .loss-val.big{color:var(--text);font-size:13px;min-width:80px}
.loss-time{margin-top:10px}
.loss-time-cap{font-size:12px;color:var(--muted);margin:2px 0 4px}
.loss-cv{width:100%;height:170px;display:block;background:#f7f9fc;border:1px solid var(--line);border-radius:8px}
.bode-cv{width:100%;height:210px;display:block;background:#f7f9fc;border:1px solid var(--line);border-radius:8px}
/* J4 — Nyquist + root-locus side-by-side under the stability section */
.stab-grid{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.stab-cell{flex:1 1 320px;min-width:0}
.rep-h2{font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:4px;font-weight:700}
.loss-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;font-size:11px;color:var(--muted)}
.loss-legend .ll{margin-right:3px;font-weight:700}
.loss-legend .ll.pump{color:#2563eb}
.loss-legend .ll.valve{color:#d97706}
.loss-legend .ll.act{color:#16a34a}
.loss-legend .ll.fault{color:#dc2626}
.loss-legend .ll.heat{color:#7c3aed}
.loss-legend .ll.th-line{color:#2563eb}
.loss-legend .ll.th-warn{color:#d97706}
.loss-legend .ll.th-alarm{color:#dc2626}
.rep-actions{margin-top:16px;text-align:center}
/* Embedded circuit schematic inside the PDF report */
.rep-schem-wrap{margin:6px 0 4px;background:#f4f6fa;border:1px solid #e2e8f0;border-radius:6px;padding:8px}
.rep-schem-wrap svg{width:100%;height:auto;display:block}
/* PDF export container — only visible while printing */
#printArea{display:none}
.pdf-head{margin-bottom:16px}
.pdf-head .pdf-t{font-size:18px;font-weight:700}
.pdf-head .pdf-m{font-size:12px;color:var(--muted);margin:3px 0 10px}
@media print{
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  body.printing #printArea{display:block}
  body.printing *{visibility:hidden}
  body.printing #printArea,body.printing #printArea *{visibility:visible}
  body.printing #printArea{position:absolute;left:0;top:0;width:100%;padding:18px 22px;box-sizing:border-box}
  body.printing .rep-actions{display:none}
  body.printing .modal{display:none !important}
}
#stTemp.warn{color:var(--warn);font-weight:700}
#stTemp.crit{color:var(--danger);font-weight:700;background:#fff0f0}

/* ---------------- modal ---------------- */
.modal{position:fixed;inset:0;background:rgba(16,24,40,.42);display:flex;align-items:center;
  justify-content:center;z-index:100;padding:24px}
.modal-box{background:var(--panel);border-radius:12px;box-shadow:0 20px 50px rgba(16,24,40,.28);
  width:min(760px,100%);max-height:86vh;display:flex;flex-direction:column;overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;
  border-bottom:1px solid var(--line);font-weight:650;font-size:14px}
.modal-body{padding:14px 16px;overflow-y:auto}
.ex-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.ex-card{border:1px solid var(--line);border-radius:8px;padding:11px;cursor:pointer;background:var(--panel-2);text-align:left}
.ex-card:hover{border-color:var(--accent);background:var(--accent-soft)}
.ex-card .t{font-weight:650;margin-bottom:3px;font-size:12.5px}
.ex-card .d{font-size:11px;color:var(--ink-3);line-height:1.4}
.help h4{margin:14px 0 6px;font-size:12.5px}
/* ---------------- circuit-check report ---------------- */
.check-ok{color:var(--ok);padding:14px 4px;font-weight:600}
.check-sum{color:var(--ink-2);margin:6px 0 10px;font-size:12.5px}
.check-list{display:flex;flex-direction:column;gap:6px}
.check-row{display:flex;align-items:center;gap:8px;padding:7px 9px;border-radius:7px;cursor:pointer;
  background:var(--panel-2);border:1px solid transparent;transition:border-color .1s,background .1s}
.check-row:hover{border-color:var(--accent)}
.check-row.error{background:#fdecec}
.check-row.warn{background:#fff4e0}
.ico-sev{font-weight:700;flex:0 0 auto}
.check-row.error .ico-sev{color:#dc2626}
.check-row.warn .ico-sev{color:var(--warn)}
.check-row .msg{color:var(--ink);font-size:12.5px;line-height:1.3}
.cref{margin-left:auto;color:var(--accent);font-size:11px;font-weight:600;white-space:nowrap}
.help h4:first-child{margin-top:0}
.help ul{margin:0;padding-left:18px}
.help li{margin:3px 0;font-size:12px;color:var(--ink-2)}
.help kbd{font-family:var(--mono);font-size:10.5px;background:var(--panel-2);border:1px solid var(--line-2);
  border-bottom-width:2px;border-radius:4px;padding:0 4px;color:var(--ink)}

/* scrollbars */
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#ccd5e0;border-radius:5px;border:2px solid var(--panel)}
::-webkit-scrollbar-thumb:hover{background:#b3bfd0}

@media (max-width:1180px){
  .panel.left{width:200px;flex-basis:200px}
  .panel.right{width:266px;flex-basis:266px}
  .brand-sub{display:none}
}
@media (max-width:900px){
  .brand-text{display:none}
}

/* ===================== analysis (PID auto-tune / step / sweep) ===================== */
.an-cards{display:flex;flex-direction:column;gap:12px;margin-top:4px}
.an-card{background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:11px 12px}
.an-h{font-size:12.5px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.an-card .row{margin-bottom:5px}
.an-cv{width:100%;height:200px;display:block;margin-top:8px;background:#f7f9fc;border:1px solid var(--line);border-radius:7px}
.an-res{margin-top:6px}
.an-msg{font-size:11.5px;padding:5px 7px;border-radius:6px;margin-bottom:6px}
.an-msg.ok{color:var(--ok);background:#eafaf0}
.an-msg.warn{color:var(--warn);background:#fff4e0}
.an-verdict{display:inline-block;margin-left:6px;padding:1px 9px;border-radius:9px;font-size:10.5px;font-weight:700;vertical-align:middle}
.an-verdict.ok{color:var(--ok);background:#eafaf0;border:1px solid #bfe6cd}
.an-verdict.warn{color:var(--warn);background:#fff4e0;border:1px solid #f3d8a8}
.an-verdict.bad{color:#dc2626;background:#fdecec;border:1px solid #f0a9a9}
.an-verdict.info{color:var(--ink-3);background:var(--panel-2);border:1px solid var(--line)}
/* live stability HUD strip (top of the Scope / chart panel) */
.live-stab{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--panel-2);
  border:1px solid var(--line);border-radius:8px;padding:7px 10px;margin-bottom:8px}
.live-stab .ls-label{font-size:11.5px;font-weight:600;color:var(--ink)}
.live-stab .ls-state{font-size:11px;color:var(--ink-3)}
.live-stab .ls-txt{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.live-stab .ls-m{font-size:11px;color:var(--ink-2)}
.live-stab .ls-bode{height:96px;flex:1;min-width:240px;background:#f7f9fc;border:1px solid var(--line);border-radius:7px}
.live-stab .an-verdict{margin-left:0}
.an-tbl{width:100%;border-collapse:collapse;font-size:11.5px}
.an-tbl td{padding:3px 6px;border-bottom:1px solid var(--line)}
.an-tbl td:first-child{color:var(--ink-3);width:42%}
.an-leg{margin-top:4px}
.an-legrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.an-lg{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--ink-2)}
.an-lg .sw{width:11px;height:11px;border-radius:3px;display:inline-block}

/* ===== experience: flow legend / buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border-radius:8px;
  border:1px solid var(--line);background:var(--panel-2);color:var(--ink);font-size:12.5px;font-weight:600;cursor:pointer}
.btn:hover{background:#eef2f8}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.05)}

.legend-flow{margin-top:9px;padding-top:9px;border-top:1px solid var(--line)}
.legend-flow .legend-title{font-size:10px}
.legend-flow-demo{display:block;margin:3px 0}
.lf-base{stroke:#c2ccd8;stroke-width:2;stroke-linecap:round}
.lf-move{stroke:var(--accent);stroke-width:2.4;stroke-linecap:round;stroke-dasharray:2 9;animation:lfflow 1s linear infinite}
@keyframes lfflow{to{stroke-dashoffset:-22}}
.legend-note{font-size:9.5px;color:var(--ink-3);line-height:1.4;margin-top:2px}

/* ===== component teaching guide ===== */
.teach-sum{background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:9px 11px}
.teach-pur{font-size:11.5px;line-height:1.5;color:var(--ink-2);margin-bottom:8px}
.btn-mini{font-size:11px;font-weight:600;color:var(--accent);background:var(--panel);border:1px solid var(--line);
  border-radius:7px;padding:4px 10px;cursor:pointer}
.btn-mini:hover{background:var(--panel-2);border-color:var(--accent)}
.teach-tbl{width:100%;border-collapse:collapse;margin-top:4px;font-size:11.5px}
.teach-tbl td{padding:5px 6px;border-top:1px solid var(--line);vertical-align:top;line-height:1.45}
.teach-tbl tr:first-child td{border-top:none}
.teach-tbl .pk{color:var(--accent);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-weight:600;white-space:nowrap;width:1%;padding-right:12px}
.teach-cur{font-size:10px;color:var(--ink-3);margin-top:2px}
.teach-list{margin:4px 0 0;padding-left:18px;font-size:11.5px;line-height:1.6;color:var(--ink-2)}

/* ===== step-by-step tutorial ===== */
.tut{display:flex;flex-direction:column;gap:12px}
.tut-intro{font-size:12.5px;line-height:1.6;color:var(--ink-2);background:var(--panel-2);
  border:1px solid var(--line);border-radius:9px;padding:9px 11px}
.tut-steps{display:flex;flex-wrap:wrap;gap:6px}
.tut-step{font-size:11.5px;font-weight:600;color:var(--ink-2);background:var(--panel);
  border:1px solid var(--line);border-radius:8px;padding:6px 10px;cursor:pointer;text-align:left}
.tut-step:hover{border-color:var(--accent)}
.tut-step.active{background:var(--accent);border-color:var(--accent);color:#fff}
.tut-detail{display:flex;flex-direction:column;gap:8px;background:var(--panel-2);
  border:1px solid var(--line);border-radius:9px;padding:11px 13px}
.tut-title{font-size:14px;font-weight:700;color:var(--ink)}
.tut-goal{font-size:12px;line-height:1.55;color:var(--ink-2)}
.tut-goal b{color:var(--accent)}
.tut-why{font-size:12.5px;line-height:1.7;color:var(--ink-2)}
.tut-why b{color:var(--ink)}
.tut-actions{display:flex;gap:8px;margin-top:2px}
.tut-help{font-size:11px;color:var(--ink-3);line-height:1.5;border-top:1px dashed var(--line);padding-top:8px}
.teach-list li{margin:1px 0}
.teach-tip{margin-top:14px;background:#fff7e8;border:1px solid #f0d9a8;border-left:3px solid var(--warn);
  border-radius:8px;padding:9px 11px;font-size:11.5px;line-height:1.55;color:var(--ink-2)}
.teach-tip b{color:var(--warn)}

/* ===================== tools: P0/P1 (BOM, sizing, viscosity, standards, quick-calc) ===================== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--line-2);
  background:var(--panel);color:var(--ink);border-radius:7px;font-size:12.5px;cursor:pointer;font-weight:600}
.btn:hover{border-color:var(--accent);background:var(--accent-soft)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:#0c5fc0}
.btn.sm{padding:4px 9px;font-size:11.5px}

/* forms inside tools */
.tl-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin:10px 0}
.tl-f{display:grid;grid-template-columns:1fr 92px 26px;align-items:center;gap:6px;font-size:12.5px}
.tl-f>span{color:var(--ink-2);line-height:1.2}
.tl-f input,.tl-f select{width:100%;padding:5px 7px;border:1px solid var(--line-2);border-radius:6px;
  background:var(--panel);color:var(--ink);font-size:12.5px;font-family:var(--mono)}
.tl-f em{font-style:normal;color:var(--ink-3);font-size:11px;text-align:left}
.tl-inline{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
.tl-inline .btn{margin:0}

/* BOM */
.tl-bom{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:4px}
.tl-bom td,.tl-bom th{padding:5px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tl-bom th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.03em}
.tl-bom td:last-child,.tl-bom th:last-child{text-align:right;font-variant-numeric:tabular-nums}
.tl-bom .mono{font-family:var(--mono);font-size:11.5px}
.tl-bom .muted{color:var(--muted);font-size:11px}
.tl-pn{width:120px;padding:3px 5px;border:1px solid var(--line-2);border-radius:5px;background:var(--panel-2);
  font-family:var(--mono);font-size:11px;color:var(--ink)}
.tl-pn:focus{outline:none;border-color:var(--accent);background:var(--panel)}
.tl-price{width:84px;padding:3px 5px;border:1px solid var(--line-2);border-radius:5px;background:var(--panel-2);
  font-family:var(--mono);font-size:11.5px;text-align:right;color:var(--ink)}
.tl-price:focus{outline:none;border-color:var(--accent);background:var(--panel)}
.tl-bom td:nth-child(7),.tl-bom th:nth-child(7),.tl-bom td:nth-child(8),.tl-bom th:nth-child(8){text-align:right;font-variant-numeric:tabular-nums}
.rep-total td{border-top:2px solid var(--line-2);font-weight:700;background:var(--panel-2)}
.tl-costbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:8px 0 4px;
  padding:9px 13px;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;font-size:13px}
.tl-costbar b{font-size:16px;font-family:var(--mono)}
.tl-costbar .muted{font-size:11.5px;max-width:62%}

/* standards: tabs + symbol grid */
.tl-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.tl-tab{padding:6px 11px;border:1px solid var(--line-2);background:var(--panel);border-radius:7px;
  font-size:12px;cursor:pointer;color:var(--ink-2)}
.tl-tab:hover{border-color:var(--accent)}
.tl-tab.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.tl-symgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:6px}
.tl-symcard{border:1px solid var(--line);border-radius:8px;padding:8px;background:var(--panel-2);text-align:center}
.tl-sym{background:var(--panel);border-radius:6px;padding:4px}
.tl-sym svg{width:100%;height:84px;display:block}
.tl-symname{font-size:11.5px;font-weight:600;margin-top:5px;color:var(--ink)}
.tl-symcode{font-size:10px;color:var(--muted);font-family:var(--mono);margin-top:1px}

/* make ISO 1219 symbols render inside the modal like on the canvas */
.tl-sym svg .sym{fill:none;stroke:#1c2431;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.tl-sym svg .sym-f{fill:#1c2431;stroke:none}
.tl-sym svg .sym-d{fill:none;stroke:#1c2431;stroke-width:1.2;stroke-dasharray:4 3;stroke-linecap:round}
.tl-sym svg .sym-t{fill:#1c2431;stroke:none;font-family:var(--mono);font-size:9px;text-anchor:middle}
.tl-sym svg .sym-thin{fill:none;stroke:#5b6779;stroke-width:1;stroke-linecap:round}
.tl-sym svg .fluid{fill:#cfe3f7;stroke:none}
.tl-sym svg .moving{fill:#dbe6f2;stroke:#1c2431;stroke-width:1.4}

/* viscosity chart */
.tl-chart{width:100%;height:240px;display:block;background:var(--panel-2);border:1px solid var(--line);border-radius:8px;margin:6px 0}


/* ---------- named project library ---------- */
.proj-save{display:flex;gap:8px;margin:6px 0 14px}
.proj-input{flex:1;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);color:var(--text);font-size:13px}
.proj-input:focus{outline:none;border-color:var(--accent)}
.proj-list{display:flex;flex-direction:column;gap:8px;max-height:52vh;overflow:auto}
.proj-empty{color:var(--muted);font-size:13px;padding:10px 2px}
.proj-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 11px;background:var(--panel-2);border:1px solid var(--line);border-radius:9px}
.proj-info{min-width:0;flex:1}
.proj-nm{font-weight:600;font-size:14px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.proj-meta{font-size:11.5px;color:var(--muted);margin-top:2px}
.proj-acts{display:flex;gap:6px;flex-shrink:0}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:7px}
.btn.danger{color:#fff;background:#dc2626;border-color:#dc2626}
.btn.danger:hover{background:#b91c1c}

/* share modal */
.share-row{display:flex;gap:8px;margin-top:10px}
.share-qr-wrap{display:flex;justify-content:center;margin:16px 0 8px}
.share-qr-wrap svg{width:200px;height:200px;background:#fff;padding:8px;border:1px solid var(--line);border-radius:8px}
.share-hint{font-size:12px;color:var(--muted);text-align:center;margin-top:6px}

/* ============ Round 26 tools: catalogue / troubleshooter / duty cycle ============ */
.tl-catgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px;margin-top:6px}
.tl-catcard{border:1px solid var(--line);border-radius:8px;padding:9px 10px;background:var(--panel-2);
  display:flex;flex-direction:column;gap:3px}
.tl-catcard:hover{border-color:var(--line-2)}
.tl-catname{font-size:12.5px;font-weight:700;color:var(--ink);line-height:1.3}
.tl-catmeta{font-size:11px;color:var(--ink-2)}
.tl-catmeta .mono{font-size:11px}
.tl-catspec{font-size:11px;line-height:1.45;flex:1;margin:2px 0 4px}
.tl-catactions{display:flex;flex-wrap:wrap;gap:5px;margin-top:auto}

/* duty-cycle numeric cells */
.tl-num{width:66px;padding:3px 5px;border:1px solid var(--line-2);border-radius:5px;background:var(--panel-2);
  font-family:var(--mono);font-size:11.5px;color:var(--ink);text-align:right}
.tl-num:focus{outline:none;border-color:var(--accent);background:var(--panel)}
.tl-num.sm{width:58px}

/* troubleshooter */
.tl-tbbtn{margin:0 6px 6px 0}
.tl-tbbtn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.tl-tblist{display:flex;flex-direction:column;gap:8px;margin-top:6px}
.tl-tbcard{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:8px;
  padding:8px 11px;background:var(--panel-2)}
.tl-tbhead{font-size:12.5px;font-weight:700;color:var(--ink);margin-bottom:4px}
.tl-tbsteps{margin:0;padding-left:18px;font-size:12px;line-height:1.6;color:var(--ink-2)}
.tl-tbsteps li{margin:1px 0}

/* ============ supplier lookup ============ */
.sup-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.sup-q{flex:1;min-width:180px;padding:7px 10px;border:1px solid var(--line-2);border-radius:7px;
  background:var(--panel);color:var(--ink);font-size:12.5px}
.sup-q:focus{outline:none;border-color:var(--accent)}
.sup-ctx{font-size:11.5px;margin-top:5px;line-height:1.4}
.sup-shops{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.sup-msg{font-size:12px;padding:9px 11px;border:1px dashed var(--line-2);border-radius:8px;
  background:var(--panel-2);line-height:1.5;margin-top:4px}
.sup-err{border-style:solid;border-color:#f0a9a9;background:#fdecec;color:#b91c1c}
.sup-cfg{margin-top:12px;border:1px solid var(--line);border-radius:8px;background:var(--panel-2);padding:6px 10px}
.sup-cfg>summary{cursor:pointer;font-size:12px;font-weight:700;color:var(--ink-2);padding:3px 0;
  text-transform:uppercase;letter-spacing:.03em}
.sup-cfg>summary:hover{color:var(--accent)}
.sup-cfg .tl-grid{grid-template-columns:1fr;margin:8px 0}
.sup-cfg .tl-f{grid-template-columns:1fr}
.sup-in{width:100%;padding:5px 7px;border:1px solid var(--line-2);border-radius:6px;
  background:var(--panel);color:var(--ink);font-size:12px;font-family:var(--mono)}
.sup-in:focus{outline:none;border-color:var(--accent)}

/* BOM: order-number cell now holds input + lookup button */
.tl-pncell{display:flex;gap:5px;align-items:center;justify-content:flex-end}
.tl-pncell .tl-pn{width:104px}
.tl-pnfind{white-space:nowrap;flex:0 0 auto}

/* ============ graphical duty-cycle editor ============ */
.dc-svg{width:100%;height:250px;display:block;background:var(--panel-2);
  border:1px solid var(--line);border-radius:8px;margin:4px 0 2px;touch-action:none;
  -webkit-user-select:none;user-select:none}
.dc-svg.dragging{cursor:grabbing}
.dc-grid{stroke:var(--line);stroke-width:1}
.dc-base{stroke:var(--line-2);stroke-width:1.4}
.dc-bl{stroke:var(--line-2);stroke-width:1;stroke-dasharray:3 3}
.dc-ax{font-family:var(--mono);font-size:9.5px;fill:var(--ink-3)}
.dc-axp{text-anchor:end}
.dc-axq{text-anchor:start}
.dc-unit{font-family:var(--mono);font-size:9px;fill:var(--ink-3);font-weight:700}
.dc-p{fill:#2563eb;fill-opacity:.20;stroke:#2563eb;stroke-width:1;stroke-opacity:.55}
.dc-p.sel{fill-opacity:.34;stroke-width:1.8;stroke-opacity:1}
.dc-q{fill:none;stroke:#16a34a;stroke-width:2;stroke-linejoin:round}
.dc-hp{fill:#2563eb;fill-opacity:.18;stroke:#2563eb;stroke-width:1;stroke-opacity:.6;cursor:ns-resize}
.dc-hp:hover{fill-opacity:.45}
.dc-hq{fill:#16a34a;fill-opacity:.18;stroke:#16a34a;stroke-width:1;stroke-opacity:.6;cursor:ns-resize}
.dc-hq:hover{fill-opacity:.45}
.dc-hb{fill:#64748b;fill-opacity:.12;stroke:#64748b;stroke-width:1;stroke-opacity:.5;cursor:ew-resize}
.dc-hb:hover{fill-opacity:.35}
.dc-lab{font-size:10.5px;fill:var(--ink-2);text-anchor:middle}
.dc-lab.sel{fill:var(--accent);font-weight:700}
.dc-dur{font-family:var(--mono);font-size:9.5px;fill:var(--ink-3);text-anchor:middle}
.dc-legend{display:flex;align-items:center;gap:6px;font-size:11.5px;color:var(--ink-2);margin:2px 0 6px}
.dc-key{width:11px;height:11px;border-radius:3px;display:inline-block}
.dc-kp{background:#2563eb;opacity:.45;border:1px solid #2563eb}
.dc-kq{background:#16a34a;margin-left:10px}
.dc-sp{flex:1}
.dc-row.sel>td{background:var(--accent-soft)}
.dc-row>td{cursor:pointer}

/* ---- J3 parameter-sweep (DOE) result table ---- */
.en-sw td.num{text-align:right;font-variant-numeric:tabular-nums}
.en-sw td{text-align:right}
.en-sw th{text-align:center}
.en-sw td:first-child,.en-sw th:first-child{text-align:left}
.en-sw-bw{margin-top:6px;font-size:12.5px;color:var(--ink-2)}
.en-sw-bw b{color:var(--ink)}
.en-sw td[style*="background"]{font-weight:600;color:#0b1f12}