/* =========================================================
   perfmodel.css — reusable quantitative performance widgets.
   Mount contract: .pm-widget[data-kind="shape|roofline|kv|burst|quant|weights|candidate"]
   with controls carrying data-pm-input and outputs carrying
   data-pm-output. Logic lives in js/perfmodel.js.
   ========================================================= */
.slide[data-type="model-widget"] > .slide-body { display: grid; grid-template-rows: auto 1fr; }
.pm-widget {
  display: grid;
  grid-template-columns: minmax(360px, .72fr) minmax(720px, 1.28fr);
  gap: var(--sp-5);
  align-items: stretch;
  min-height: 610px;
}
.pm-controls, .pm-stage {
  border: 2px solid var(--rule-strong);
  border-radius: var(--r-md);
  background: var(--bg-card);
  padding: var(--sp-4);
}
.pm-controls { display: grid; align-content: center; gap: var(--sp-4); }
.pm-control { display: grid; gap: 10px; }
.pm-control-head { display: flex; justify-content: space-between; gap: var(--sp-3); align-items: baseline; }
.pm-control label, .pm-control-name {
  font-family: var(--font-sans); font-size: 24px; font-weight: 650; color: var(--ink);
}
.pm-control output {
  font-family: var(--font-mono); font-size: 25px; font-weight: 650; color: var(--accent-ink);
}
.pm-control input[type="range"] { width: 100%; accent-color: var(--accent); min-height: 28px; }
.pm-toggle { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.pm-toggle button {
  border: 2px solid var(--rule-strong); background: var(--bg-alt); color: var(--ink-2);
  border-radius: var(--r-sm); padding: 14px 18px; font: 650 23px/1 var(--font-sans); cursor: pointer;
}
.pm-toggle button.is-active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); }
.pm-reset { border: 2px solid var(--rule-strong); border-radius: var(--r-sm); background: var(--bg-alt); color: var(--ink); padding: 12px 18px; font: 600 21px var(--font-sans); cursor: pointer; }
.pm-reset:focus-visible { outline: 4px solid var(--accent); outline-offset: 3px; }
.pm-stage { display: grid; align-content: center; gap: var(--sp-4); position: relative; overflow: hidden; }
.pm-readouts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-3); }
.pm-readout { background: var(--bg-alt); border-left: 7px solid var(--accent); border-radius: var(--r-sm); padding: 16px 20px; }
.pm-readout[data-tone="amber"] { border-color: var(--c-amber); }
.pm-readout[data-tone="green"] { border-color: var(--c-green); }
.pm-readout[data-tone="red"] { border-color: var(--c-red); }
.pm-readout-k { font: 600 21px/1.2 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); }
.pm-readout-v { margin-top: 8px; font: 650 32px/1.1 var(--font-sans); color: var(--ink); }
.pm-readout-v[data-pm-output] { font-family: var(--font-mono); }
.pm-equation { font: 500 28px/1.35 var(--font-mono); color: var(--ink-2); text-align: center; }
.pm-roof { width: 100%; height: 390px; overflow: visible; }
.pm-roof .axis { stroke: var(--ink-2); stroke-width: 3; }
.pm-roof .grid { stroke: var(--rule); stroke-width: 2; stroke-dasharray: 6 8; }
.pm-roof .roof-memory { stroke: var(--c-amber); stroke-width: 8; fill: none; }
.pm-roof .roof-compute { stroke: var(--accent); stroke-width: 8; fill: none; }
.pm-roof .pm-point { fill: var(--c-red); stroke: var(--bg); stroke-width: 5; }
.pm-roof text { fill: var(--ink-2); font: 21px var(--font-mono); }
.pm-shape-stack { display: grid; gap: 12px; }
.pm-tensor { display: grid; grid-template-columns: 210px 1fr; align-items: center; gap: var(--sp-3); }
.pm-tensor-name { font: 600 22px var(--font-sans); color: var(--ink-2); }
.pm-tensor-bar { min-height: 70px; display: flex; align-items: center; justify-content: center; border: 3px solid var(--accent); background: var(--accent-soft); border-radius: var(--r-sm); font: 650 27px var(--font-mono); color: var(--accent-ink); transition: width var(--dur) var(--ease); }
.pm-tensor:nth-child(2) .pm-tensor-bar { border-color: var(--c-amber); background: var(--c-amber-soft); color: var(--c-amber-ink); }
.pm-tensor:nth-child(3) .pm-tensor-bar { border-color: var(--c-green); background: var(--c-green-soft); color: var(--c-green-ink); }
.pm-capacity { display: grid; gap: 14px; }
.pm-capacity-track { height: 80px; border: 3px solid var(--ink-2); border-radius: var(--r-sm); overflow: hidden; background: var(--bg-alt); }
.pm-capacity-fill { height: 100%; width: 0; background: var(--c-green); transition: width var(--dur) var(--ease), background var(--dur) var(--ease); }
.pm-capacity-fill.is-warn { background: var(--c-amber); }
.pm-capacity-fill.is-over { background: var(--c-red); }
.pm-caption { font: 23px/1.35 var(--font-sans); color: var(--ink-2); }
.pm-candidates { display: grid; gap: 12px; }
.pm-candidate { border: 2px solid var(--rule-strong); border-radius: var(--r-sm); padding: 16px 20px; font: 600 23px/1.3 var(--font-sans); color: var(--ink); }
.pm-candidate.is-infeasible { opacity: .48; text-decoration: line-through; }
.pm-widget[data-pm-ready="0"]::after {
  content: "interactive model failed to mount"; position: absolute; inset: 40% 20%; display: grid;
  place-items: center; background: var(--c-red-soft); color: var(--c-red); font: 650 28px var(--font-mono);
}
@media (prefers-reduced-motion: reduce) {
  .pm-tensor-bar, .pm-capacity-fill { transition: none; }
}
@media print {
  .pm-widget { grid-template-columns: .72fr 1.28fr; }
  .pm-control input { print-color-adjust: exact; }
}