/* Figure 3. Nothing travels: the first station's own weights, computed two ways as the second station turns its dial.
   Every class is prefixed bi3-. Magenta = acts that write (the second station's act and the joint weights it moves);
   ink = the first station's own weights, which do not move. */
.bi3 {
  --k-paper: var(--bi-paper, #faf8f3); --k-ink: var(--bi-ink, #1d1d1b); --k-body: var(--bi-body, #2a2926); --k-soft: var(--bi-soft, #3c3a36);
  --k-hair: var(--bi-hair, #8a8a8a); --k-rule: var(--bi-rule, color-mix(in srgb, var(--k-ink) 16%, var(--k-paper)));
  --k-c: var(--bi-cyan, #009fe3); --k-m: var(--bi-magenta, #e6007e); --k-c-text: var(--bi-cyan-text, #0072b5); --k-m-text: var(--bi-magenta-text, #c4006b);
  --k-m-tint: color-mix(in srgb, var(--k-m) 8%, var(--k-paper));
  --k-text: var(--bi-text, "InterVariable", "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif);
  --k-display: var(--bi-display, "Inter Display", "InterVariable", "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif);
  --k-mono: var(--bi-mono, "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace);
  container-type: inline-size;
  margin: 0; padding: clamp(.9rem, 1.8vw, 1.25rem); background: var(--k-paper); color: var(--k-body);
  border: 1px solid var(--k-ink); font-family: var(--k-text); font-weight: 420; line-height: 1.42;
  font-optical-sizing: auto; box-sizing: border-box; position: relative;
}
@media screen and (prefers-color-scheme: dark) {
  .bi3 { --k-paper: var(--bi-paper, #141413); --k-ink: var(--bi-ink, #faf8f3); --k-body: var(--bi-body, #e9e6df); --k-soft: var(--bi-soft, #c9c5bc);
    --k-c: var(--bi-cyan, #2bb3f0); --k-m: var(--bi-magenta, #ff3d9e); --k-c-text: var(--bi-cyan-text, #2bb3f0); --k-m-text: var(--bi-magenta-text, #ff6fb6);
    --k-m-tint: color-mix(in srgb, var(--k-m) 13%, var(--k-paper)); }
}
.bi3 *, .bi3 *::before, .bi3 *::after { box-sizing: border-box; }
.bi3-label { margin: 0; font: 700 .7rem/1.3 var(--k-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--k-soft); }
.bi3-ink { color: var(--k-ink); }
.bi3-nt { text-transform: none; letter-spacing: .02em; font-weight: 400; }
.bi3-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1rem; align-items: baseline;
  padding-bottom: .7rem; margin-bottom: .9rem; border-bottom: 1px solid var(--k-rule); }
.bi3-head .bi3-live { color: var(--k-ink); }
.bi3-live::before { content: ""; display: inline-block; width: .5rem; height: .5rem; margin-right: .45rem; background: var(--k-m); vertical-align: .05rem; }
.bi3-lede { margin: 0 0 .9rem; max-width: 52rem; font-size: 1.05rem; font-weight: 450; line-height: 1.32; color: var(--k-ink); }
.bi3-grid { display: grid; grid-template-columns: minmax(13rem, 17rem) minmax(0, 1fr); gap: 1rem clamp(1rem, 2.5vw, 2rem); align-items: start; }
.bi3-left { min-width: 0; display: flex; flex-direction: column; gap: .45rem; }
.bi3-dial { display: block; width: 196px; height: 172px; margin: 0 auto; touch-action: none; overflow: visible; }
.bi3-dial text { font-family: var(--k-mono); paint-order: stroke; stroke: var(--k-paper); stroke-width: 3px; }
.bi3-dial .rim { fill: none; stroke: var(--k-hair); stroke-width: 1; }
.bi3-dial .ref { stroke: var(--k-hair); stroke-width: 1; stroke-dasharray: 2 3; }
.bi3-dial .ref-t { font-size: 10px; font-weight: 700; fill: var(--k-soft); }
.bi3-dial .ndl { stroke: var(--k-m); stroke-width: 2.6; stroke-linecap: square; }
.bi3-dial .knob { fill: var(--k-m); stroke: var(--k-paper); stroke-width: 2; cursor: grab; }
.bi3-dial .hit { fill: transparent; stroke: none; cursor: grab; }
.bi3-dial .ring { fill: none; stroke: none; }
.bi3-dial g[role="slider"] { outline: none; }
.bi3-dial g[role="slider"]:focus-visible .ring { stroke: var(--k-ink); stroke-width: 1.5; }
.bi3-ang { margin: 0; font: 400 .7rem/1.4 var(--k-mono); color: var(--k-ink); text-align: center; font-variant-numeric: tabular-nums; }
.bi3-row { display: flex; flex-wrap: wrap; gap: .4rem; }
.bi3-btn { appearance: none; border: 1px solid var(--k-ink); border-radius: 0; background: transparent; color: var(--k-ink); cursor: pointer;
  font: 700 .64rem/1 var(--k-mono); letter-spacing: .1em; text-transform: uppercase; padding: .55rem .7rem; min-height: 34px; }
.bi3-btn:hover { background: color-mix(in srgb, var(--k-ink) 8%, transparent); }
.bi3-btn[aria-pressed="true"] { background: var(--k-ink); color: var(--k-paper); }
.bi3-btn:focus-visible { outline: 2px solid var(--k-ink); outline-offset: 2px; }
.bi3-note { margin: 0; font-size: .82rem; line-height: 1.38; color: var(--k-soft); }
.bi3-right { min-width: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: .9rem 1.4rem; align-items: start; }
.bi3-tab { min-width: 0; }
.bi3-why { grid-column: 1 / -1; margin: 0; font-size: .95rem; line-height: 1.35; color: var(--k-ink); font-weight: 520; max-width: 44rem; }
.bi3-tl { color: var(--k-ink); margin-bottom: .35rem; }
.bi3-tw { overflow-x: auto; max-width: 100%; position: relative; }
.bi3-t { width: 100%; border-collapse: collapse; font: 400 .76rem/1.3 var(--k-mono); color: var(--k-ink); font-variant-numeric: tabular-nums; }
.bi3-t th, .bi3-t td { padding: .32rem .45rem; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--k-rule); }
.bi3-t thead th { font-size: .6rem; font-weight: 700; letter-spacing: .06em; color: var(--k-soft); text-transform: uppercase; vertical-align: bottom; white-space: normal; }
.bi3-t tbody th { text-align: left; font-weight: 700; font-size: .68rem; color: var(--k-soft); }
.bi3-t td { position: relative; }
.bi3-t td .bar { position: absolute; left: 0; top: 18%; height: 64%; background: var(--k-m-tint); border-left: 2px solid var(--k-m); }
.bi3-t td .v { position: relative; }
.bi3-t td.own { font-weight: 700; border-left: 2px solid var(--k-ink); }
.bi3-t td.alone { color: var(--k-soft); }
.bi3-t th.own { border-left: 2px solid var(--k-ink); }
.bi3-verdict { grid-column: 1 / -1; padding-top: .6rem; border-top: 1px solid var(--k-ink); }
.bi3-big { margin: .3rem 0 .1rem; font-family: var(--k-display); font-weight: 860; font-size: clamp(2rem, 4vw, 2.8rem); line-height: .9; letter-spacing: -.04em; color: var(--k-ink); font-variant-numeric: tabular-nums lining-nums; }
.bi3-words { margin: .35rem 0 0; font-size: .92rem; line-height: 1.35; color: var(--k-ink); max-width: 40rem; }
.bi3-plotbox { margin-top: .9rem; padding-top: .8rem; border-top: 1px solid var(--k-rule); }
.bi3-plot { display: block; width: 100%; margin-top: .4rem; overflow: visible; }
.bi3-plot text { font-family: var(--k-mono); fill: var(--k-soft); paint-order: stroke; stroke: var(--k-paper); stroke-width: 3px; }
.bi3-plot .t-tick { font-size: 9.5px; }
.bi3-plot .t-j { font-size: 9.5px; fill: var(--k-m-text); }
.bi3-plot .t-own { font-size: 9.5px; font-weight: 700; fill: var(--k-ink); }
.bi3-plot .axis { stroke: var(--k-ink); stroke-width: 1.1; }
.bi3-plot .grid { stroke: var(--k-rule); stroke-width: 1; }
.bi3-plot .tick { stroke: var(--k-ink); stroke-width: 1; }
.bi3-plot .jl { fill: none; stroke: var(--k-m); stroke-width: 1.4; }
.bi3-plot .j2 { stroke-dasharray: 6 3; } .bi3-plot .j3 { stroke-dasharray: 2 3; } .bi3-plot .j4 { stroke-dasharray: 8 3 2 3; }
.bi3-plot .own { fill: none; stroke: var(--k-ink); stroke-width: 3; }
.bi3-plot .mk { stroke: var(--k-m); stroke-width: 1.2; stroke-dasharray: 3 3; }
.bi3-plot .mkd { fill: var(--k-paper); stroke: var(--k-ink); stroke-width: 2; }
.bi3-key { display: flex; flex-wrap: wrap; gap: .25rem 1.2rem; margin: .5rem 0 0; font: 400 .7rem/1.4 var(--k-mono); color: var(--k-soft); }
.bi3-key i { display: inline-block; width: 1.4rem; height: 0; margin-right: .4rem; vertical-align: .22rem; border-top: 3px solid var(--k-ink); }
.bi3-key i.k-j { border-top: 1.5px solid var(--k-m); }
.bi3-key i.k-mk { border-top: 1.5px dashed var(--k-m); }
.bi3-caption { margin: .9rem 0 0; padding-top: .8rem; border-top: 1px solid var(--k-rule); font-size: .92rem; color: var(--k-body); max-width: 52rem; }
.bi3-sr { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
@container (max-width: 60rem) { .bi3-right { grid-template-columns: minmax(0, 1fr); } }
@container (max-width: 44rem) { .bi3-grid { grid-template-columns: minmax(0, 1fr); } .bi3-t { font-size: .72rem; } .bi3-t th, .bi3-t td { padding: .3rem .3rem; } }
@container (max-width: 19rem) { .bi3-t th, .bi3-t td { padding: .3rem .2rem; } .bi3-t tbody th { white-space: normal; } }
@container (max-width: 17rem) { .bi3-t { font-size: .66rem; } .bi3-t thead th { font-size: .54rem; letter-spacing: .04em; } }
@media (forced-colors: active) {
  .bi3 { border-color: CanvasText; }
  .bi3-dial text, .bi3-plot text { fill: CanvasText; stroke: Canvas; }
  .bi3-dial .rim, .bi3-dial .ref, .bi3-plot .axis, .bi3-plot .tick, .bi3-plot .grid, .bi3-plot .own { stroke: CanvasText; }
  .bi3-dial .ndl, .bi3-plot .jl, .bi3-plot .mk { stroke: Highlight; }
  .bi3-dial .knob { fill: Highlight; }
  .bi3-t td .bar { background: Canvas; border-left-color: Highlight; }
  .bi3-btn[aria-pressed="true"] { forced-color-adjust: none; background: Highlight; color: HighlightText; }
}
@media print {
  .bi3 { --k-paper: #ffffff; --k-ink: #1d1d1b; --k-body: #2a2926; --k-soft: #3c3a36; --k-hair: #8a8a8a; --k-rule: #d6d4cf;
    --k-c: #009fe3; --k-m: #e6007e; --k-c-text: #0072b5; --k-m-text: #c4006b; --k-m-tint: #fdeef6; }
  .bi3, .bi3 * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .bi3-row { display: none; }
}