:where([hidden]){display:none!important}
.bw-skip{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.bw-skip:focus{position:fixed;top:.75rem;left:.75rem;width:auto;height:auto;clip-path:none;z-index:70;
  padding:.6rem 1rem;border-radius:10px;background:var(--bw-accent);color:var(--bw-bg)}
.bw-draft{position:relative;z-index:5;display:flex;flex-wrap:wrap;gap:.4rem 1rem;padding:.65rem 1rem;
  border-block:1px dashed #d69e2e;background:#2d2615;color:#ffe7a3;font:14px/1.5 var(--bw-mono)}
.bw-page-hero{padding-top:5rem}
.bw-objectives{display:grid;gap:.55rem;padding-left:1.25rem;max-width:62ch;color:var(--bw-ink3)}
.bw-opening{background:var(--bw-surface)}
.bw-question,.bw-activity{margin-top:1.5rem;padding:1.5rem;border:1px solid var(--bw-hair);
  border-radius:14px;background:var(--bw-surface);min-width:0}
.bw-stem{font-family:var(--bw-serif);font-size:1.08rem;color:var(--bw-ink2);margin:0 0 1rem}
.bw-stem mark{background:none;color:inherit;font-weight:700}
.bw-stem mark[data-weight="decisive"]{color:var(--bw-accent)}
.bw-ask{font-size:1rem;color:var(--bw-ink);margin:0 0 1rem}
.bw-options{display:grid;gap:.65rem}
.bw-option,.bw-spatial-point,.bw-quant-row,.bw-tab{min-height:2.75rem;width:100%;padding:.7rem .85rem;
  border:1px solid var(--bw-line);border-radius:10px;background:var(--bw-raise);color:var(--bw-ink2);
  font:inherit;text-align:left;cursor:pointer;overflow-wrap:anywhere}
.bw-option:hover,.bw-spatial-point:hover,.bw-quant-row:hover,.bw-tab:hover{border-color:var(--bw-accent)}
.bw-option[data-state="correct"]{border-color:var(--bw-good);color:var(--bw-good)}
.bw-option[data-state="wrong"]{border-color:oklch(72% .15 25)}
.bw-option:disabled{cursor:default;opacity:.7}
.bw-feedback{min-height:1.7em;margin:1rem 0 0;color:var(--bw-ink3)}
.bw-beats{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--bw-hair)}
.bw-beats-label{margin:0 0 .65rem;color:var(--bw-accent);font-weight:700}
.bw-beats ol{display:grid;gap:.75rem;margin:0;padding-left:1.25rem}
.bw-beats b,.bw-beats span{display:block}
.bw-beats span{color:var(--bw-ink3)}
.bw-activity-prompt{margin:0 0 1rem;color:var(--bw-ink);font-weight:500}
.bw-activity>*{min-width:0;max-width:100%}
.bw-activity button:focus-visible,.bw-activity summary:focus-visible,.bw-activity input:focus-visible{
  outline:3px solid var(--bw-accent);outline-offset:3px}
.bw-disclose{margin:.65rem 0;border:1px solid var(--bw-line);border-radius:10px;background:var(--bw-raise)}
.bw-disclose>summary{display:flex;align-items:center;min-height:2.75rem;padding:.7rem .85rem;
  color:var(--bw-ink2);font-weight:700;cursor:pointer;overflow-wrap:anywhere}
.bw-disclose-body{padding:0 .85rem .85rem;color:var(--bw-ink3)}
.bw-disclose-body p,.bw-reveal-detail p,.bw-compare-grid p,.bw-range-panels p{margin:.5rem 0}
.bw-reveal-grid,.bw-recall-grid,.bw-order-grid,.bw-spatial-map{display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:.75rem}
.bw-reveal-card{min-width:0;border:1px solid var(--bw-line);border-radius:12px;background:var(--bw-raise)}
.bw-reveal-trigger,.bw-match-option,.bw-grid-option,.bw-order-option,.bw-decision-step button,
.bw-timeline-point,.bw-spatial-node>button,.bw-meter-row button,.bw-calc-row button{
  min-height:2.75rem;width:100%;padding:.7rem .85rem;border:1px solid var(--bw-line);border-radius:10px;
  background:var(--bw-raise);color:var(--bw-ink2);font:inherit;text-align:left;cursor:pointer;
  overflow-wrap:anywhere}
.bw-reveal-card>.bw-reveal-trigger{border:0;background:transparent;font-weight:700}
.bw-reveal-trigger[aria-expanded="true"],.bw-match-option[aria-pressed="true"],
.bw-grid-option[aria-pressed="true"],.bw-spatial-node>button[aria-expanded="true"]{
  border-color:var(--bw-accent);color:var(--bw-accent)}
.bw-reveal-detail,.bw-spatial-node>div,.bw-timeline li>div,.bw-decision-step>div{
  padding:.25rem .85rem .85rem;color:var(--bw-ink3)}
.bw-flip-card,.bw-quant-flip{background:linear-gradient(145deg,var(--bw-raise),var(--bw-wash))}
.bw-cover-card .bw-reveal-trigger::after{content:"Reveal";float:right;color:var(--bw-accent);
  font-size:.8rem;text-transform:uppercase;letter-spacing:.06em}
.bw-tabs{display:flex;flex-wrap:wrap;gap:.5rem}
.bw-tab{width:auto;flex:1 1 10rem;text-align:center}
.bw-tab[aria-selected="true"]{border-color:var(--bw-accent);color:var(--bw-accent)}
.bw-compare-panel{margin-top:1rem;padding:1rem;border:1px solid var(--bw-hair);
  border-radius:10px;background:var(--bw-wash);color:var(--bw-ink3)}
.bw-compare-grid,.bw-match-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}
.bw-compare-grid article{min-width:0;padding:1rem;border:1px solid var(--bw-hair);
  border-radius:10px;background:var(--bw-wash)}
.bw-compare-grid h3{margin:0;color:var(--bw-ink)}
.bw-match-grid>div{display:grid;align-content:start;gap:.65rem;min-width:0}
.bw-match-option[data-state="matched"]{border-color:var(--bw-good);color:var(--bw-good)}
.bw-grid-option[data-state="correct"],.bw-order-option[data-state="correct"]{
  border-color:var(--bw-good);color:var(--bw-good)}
.bw-order-option[data-state="wrong"]{border-color:oklch(72% .15 25)}
.bw-grid-check{margin-top:1rem}
.bw-range-control{display:grid;gap:.75rem;min-width:0}
.bw-range-control label{font-weight:700;color:var(--bw-ink)}
.bw-range-control input[type="range"]{width:100%;min-height:2.75rem;margin:0;cursor:pointer;accent-color:var(--bw-accent)}
.bw-range-control>output{color:var(--bw-accent);font-weight:700;overflow-wrap:anywhere}
.bw-range-panels{min-width:0;padding:1rem;border:1px solid var(--bw-hair);
  border-radius:10px;background:var(--bw-wash);color:var(--bw-ink3)}
.bw-motion-stage{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(15rem,.85fr);
  gap:1rem;align-items:center;margin-top:1rem;padding:1rem;border:1px solid var(--bw-hair);
  border-radius:12px;background:linear-gradient(145deg,oklch(68% .16 250/.1),oklch(70% .14 300/.08))}
.bw-rib-stage{display:block;width:100%;min-height:16rem;border-radius:10px;
  background:radial-gradient(circle at 50% 52%,oklch(68% .16 250/.15),oklch(18% .025 260/.92) 66%)}
.bw-rib-stage text{fill:var(--bw-ink);font:700 14px/1 var(--bw-sans);paint-order:stroke fill;
  stroke:var(--bw-bg);stroke-width:4px;stroke-linejoin:round}
.bw-rib-spine{fill:var(--bw-ink4)}
.bw-rib-sternum{fill:var(--bw-ink2)}
.bw-rib-path{fill:none;stroke:var(--bw-ink4);stroke-width:9;stroke-linecap:round;transition:.2s}
.bw-rib-path.is-active{stroke:var(--bw-accent);filter:drop-shadow(0 0 8px oklch(72% .16 280/.55))}
.bw-rib-axis{stroke:var(--bw-gold);stroke-width:3;stroke-dasharray:6 6}
.bw-rib-leader{fill:none;stroke:var(--bw-ink3);stroke-width:2}
.bw-motion-readout h3{margin:0 0 .5rem;color:var(--bw-ink)}
.bw-motion-readout p{margin:.5rem 0;color:var(--bw-ink3)}
.bw-motion-readout .bw-motion-chain{color:var(--bw-gold)}
.bw-motion-stage + .bw-compare-panels{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.bw-steps{display:grid;gap:.75rem;padding-left:1.4rem}
.bw-step b,.bw-step span{display:block}
.bw-step span{color:var(--bw-ink3)}
.bw-timeline,.bw-decision-path{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}
.bw-timeline li,.bw-decision-step{min-width:0;border-inline-start:1px solid var(--bw-hair);padding-inline-start:.75rem}
.bw-timeline-point{display:flex;gap:.65rem;align-items:center}
.bw-timeline-point>span,.bw-spatial-node>button>span{display:inline-grid;flex:0 0 2rem;width:2rem;height:2rem;
  place-items:center;border-radius:50%;background:var(--bw-wash);color:var(--bw-accent);font-weight:700}
.bw-decision-step button:disabled{cursor:default;opacity:.72}
.bw-spatial-grid,.bw-quant-list{display:grid;gap:.65rem}
.bw-spatial-point span,.bw-spatial-point small,.bw-quant-row span,.bw-quant-row output{display:block}
.bw-spatial-point small,.bw-quant-row output{margin-top:.25rem;color:var(--bw-accent)}
.bw-spatial-node{min-width:0;border:1px solid var(--bw-hair);border-radius:12px;background:var(--bw-wash)}
.bw-spatial-node>button{display:flex;align-items:center;gap:.65rem;border:0;background:transparent}
.bw-pin{border-style:dashed}
.bw-hotspot{box-shadow:inset 0 0 0 1px color-mix(in oklch,var(--bw-accent) 25%,transparent)}
.bw-meter-list,.bw-calculator{display:grid;gap:.75rem}
.bw-meter-row,.bw-calc-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(7rem,.8fr) auto;
  gap:.75rem;align-items:center;min-width:0;padding:.75rem;border:1px solid var(--bw-hair);
  border-radius:10px;background:var(--bw-wash)}
.bw-meter-row meter{width:100%;min-height:2.75rem;accent-color:var(--bw-accent)}
.bw-meter-row button,.bw-calc-row button{width:auto;min-width:7rem;text-align:center}
.bw-meter-row output,.bw-calc-row output{grid-column:1/-1;color:var(--bw-accent);font-weight:700;
  overflow-wrap:anywhere}
.bw-activity-empty{padding:1rem;border:1px dashed var(--bw-line);border-radius:10px;color:var(--bw-ink3)}
.bw-elim-clues,.bw-elim-options{display:grid;gap:.65rem}
.bw-elim-options{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:1rem}
.bw-elim-clue,.bw-elim-option{min-height:2.75rem;padding:.75rem .85rem;border:1px solid var(--bw-line);
  border-radius:10px;background:var(--bw-raise);color:var(--bw-ink2);font:inherit;text-align:left;cursor:pointer}
.bw-elim-clue span,.bw-elim-clue small{display:block}
.bw-elim-clue small{margin-top:.35rem;color:var(--bw-accent)}
.bw-elim-clue:disabled{cursor:default;opacity:1}
.bw-elim-option[data-state="eliminated"]{opacity:.45;text-decoration:line-through}
.bw-elim-option[data-state="winner"]{border-color:var(--bw-good);color:var(--bw-good)}
.bw-protocol-steps{display:grid;gap:.45rem;margin:.75rem 0;padding-left:1.25rem}
.bw-protocol-note{margin:.75rem 0 0;color:var(--bw-gold)}
.bw-pearl{margin:1.5rem 0 0;padding:1rem;border:1px solid oklch(84% .085 85 / .35);
  border-radius:10px;background:oklch(84% .085 85 / .08);color:var(--bw-gold)}
.bw-fig figcaption small,.bw-sources small{display:block;color:var(--bw-ink4)}
.bw-case-progress{color:var(--bw-ink4)}
.bw-case-next{margin-top:1rem}
.bw-endmatter .bw-h2{margin-top:2.5rem}
.bw-endmatter .bw-h2:first-child{margin-top:0}
.bw-sources{display:grid;gap:.75rem;padding-left:1.2rem}
.bw-sources a{color:var(--bw-accent)}
.bw-reviewer-card{display:grid;grid-template-columns:6rem 1fr;gap:1.25rem;align-items:start}
.bw-reviewer-card .bw-media-fig{width:6rem;height:6rem;border-radius:18px}
.bw-reviewer-copy .bw-h3{margin:.1rem 0 .35rem}
.bw-reviewer-copy .bw-h3 a{color:var(--bw-ink)}
.bw-reviewer-role,.bw-reviewer-lane{margin:.35rem 0;color:var(--bw-ink2)}
.bw-reviewer-actions{display:flex;flex-wrap:wrap;gap:.65rem 1rem;align-items:center;margin-top:.85rem}
.bw-reviewer-actions a{color:var(--bw-accent);font-weight:700}
@media(max-width:520px){
  .bw-page-hero{padding-top:3rem}
  .bw-question,.bw-activity{padding:1rem}
  .bw-motion-stage,.bw-reviewer-card,.bw-compare-grid,.bw-match-grid,.bw-meter-row,.bw-calc-row{
    grid-template-columns:1fr}
  .bw-meter-row button,.bw-calc-row button{width:100%}
  .bw-elim-options{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .bw-activity *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* Registered interaction library: modules 01-50 */
.bw-inline-spoilers,.bw-definition-cloud{display:flex;flex-wrap:wrap;gap:.65rem}
.bw-inline-spoiler,.bw-definition{position:relative;min-width:min(100%,11rem)}
.bw-inline-spoiler>button,.bw-definition>button,.bw-footnote-trigger,
[data-bw-confidence-level],[data-bw-confidence-answer],[data-bw-tf-choice],
[data-bw-swap],[data-bw-versus],[data-bw-cascade-next],[data-bw-state-toggle],
[data-bw-trace],[data-bw-deck-prev],[data-bw-deck-next],[data-bw-direction-choice],
[data-bw-self-rate]{min-height:2.75rem;padding:.7rem .85rem;border:1px solid var(--bw-line);
  border-radius:10px;background:var(--bw-raise);color:var(--bw-ink2);font:inherit;cursor:pointer}
.bw-inline-spoiler>span,.bw-definition>span{display:block;margin-top:.5rem;padding:.75rem;
  border:1px solid var(--bw-hair);border-radius:10px;background:var(--bw-wash);color:var(--bw-ink3)}
.bw-definition>span{box-shadow:0 12px 30px rgb(0 0 0/.22)}
.bw-footnotes{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}
.bw-footnotes li{min-width:0;border-bottom:1px solid var(--bw-hair);padding-bottom:.75rem}
.bw-footnote-trigger{width:100%;text-align:left}
.bw-footnote-trigger sup{display:inline-grid;place-items:center;width:1.8rem;height:1.8rem;
  margin-right:.55rem;border-radius:50%;background:var(--bw-wash);color:var(--bw-accent)}
.bw-footnotes [role="note"]{padding:.75rem;color:var(--bw-ink3)}

.bw-hint-ladder{display:grid;gap:.85rem}
.bw-hint-ladder ol{display:grid;gap:.65rem;margin:0;padding:0;list-style:none}
.bw-hint-ladder li{padding:.85rem;border-inline-start:4px solid var(--bw-accent);
  border-radius:0 10px 10px 0;background:var(--bw-wash)}
.bw-hint-ladder b{display:block;color:var(--bw-ink);margin-bottom:.3rem}
.bw-type-answer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.75rem;align-items:end}
.bw-type-answer label{grid-column:1/-1;color:var(--bw-ink);font-weight:700}
.bw-type-guidance{grid-column:1/-1;margin-top:-.35rem;color:var(--bw-ink3);font-size:.88rem;line-height:1.45}
.bw-type-answer input{min-height:2.75rem;width:100%;padding:.7rem .85rem;border:1px solid var(--bw-line);
  border-radius:10px;background:var(--bw-raise);color:var(--bw-ink);font:inherit}
.bw-type-answer input[data-state="correct"]{border-color:var(--bw-good)}
.bw-type-answer input[data-state="wrong"]{border-color:oklch(72% .15 25)}
.bw-type-answer .bw-feedback{grid-column:1/-1}
.bw-cloze-blank{grid-column:1/-1;display:block;padding:.85rem;border:1px dashed var(--bw-accent);
  border-radius:10px;color:var(--bw-accent);font:700 1.2rem/1 var(--bw-mono);letter-spacing:.12em;text-align:center}
.bw-confidence-card,.bw-checklist,.bw-true-false{display:grid;gap:.85rem}
.bw-confidence-levels,.bw-confidence-answers{display:grid;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,9rem),1fr));gap:.65rem}
[data-bw-confidence-level][aria-pressed="true"]{border-color:var(--bw-gold);color:var(--bw-gold)}
[data-bw-confidence-answer][data-state="correct"]{border-color:var(--bw-good);color:var(--bw-good)}
[data-bw-confidence-answer][data-state="wrong"]{border-color:oklch(72% .15 25)}

.bw-checklist{margin:0;padding:1rem;border:1px solid var(--bw-hair);border-radius:12px}
.bw-checklist legend{padding:0 .4rem;color:var(--bw-ink);font-weight:700}
.bw-check-row{display:flex;gap:.7rem;align-items:flex-start;min-height:2.75rem;padding:.65rem;
  border:1px solid var(--bw-hair);border-radius:10px;background:var(--bw-wash);cursor:pointer}
.bw-check-row input{flex:0 0 auto;width:1.25rem;height:1.25rem;margin:.15rem 0 0;accent-color:var(--bw-accent)}
.bw-true-false-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.75rem;align-items:center;
  padding:.8rem;border:1px solid var(--bw-hair);border-radius:10px;background:var(--bw-wash)}
.bw-true-false-row>div{display:flex;gap:.45rem}
.bw-true-false-row small{grid-column:1/-1;color:var(--bw-ink3)}
[data-bw-tf-choice][data-state="correct"]{border-color:var(--bw-good);color:var(--bw-good)}
[data-bw-tf-choice][data-state="wrong"]{border-color:oklch(72% .15 25)}
.bw-before-after,.bw-state-toggle{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.75rem;align-items:center}
.bw-before-after>output,.bw-state-toggle>output{color:var(--bw-accent);font-weight:700}
.bw-before-after>div,.bw-state-toggle>div{grid-column:1/-1;padding:1rem;border:1px solid var(--bw-hair);
  border-radius:10px;background:var(--bw-wash);color:var(--bw-ink3)}
.bw-lookalike-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,13rem),1fr));gap:.75rem}
.bw-lookalike-card{min-width:0;border:1px solid var(--bw-hair);border-radius:12px;background:var(--bw-wash)}
.bw-lookalike-card>button{min-height:2.75rem;width:100%;padding:.75rem;border:0;background:transparent;
  color:var(--bw-ink);font:700 1rem/1.35 var(--bw-sans);text-align:left;cursor:pointer}
.bw-lookalike-card>div{padding:0 .85rem .85rem;color:var(--bw-ink3)}

.bw-versus-fork{display:grid;gap:.85rem}
.bw-versus-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,10rem),1fr));gap:.65rem}
[data-bw-versus][aria-pressed="true"]{border-color:var(--bw-accent);color:var(--bw-accent)}
.bw-versus-panels{padding:1rem;border:1px solid var(--bw-hair);border-radius:12px;background:var(--bw-wash)}
.bw-cascade-reveal{display:grid;gap:.75rem;margin:0;padding:0;list-style:none}
.bw-cascade-reveal li{display:grid;grid-template-columns:2.25rem minmax(0,1fr);gap:.25rem .75rem;
  padding:.85rem;border:1px solid var(--bw-hair);border-radius:12px;background:var(--bw-wash)}
.bw-cascade-reveal li>span{grid-row:1/3;display:grid;place-items:center;width:2.25rem;height:2.25rem;
  border-radius:50%;background:var(--bw-raise);color:var(--bw-accent);font-weight:800}
.bw-cascade-reveal li>b{color:var(--bw-ink)}
.bw-cascade-reveal li>p{margin:.2rem 0;color:var(--bw-ink3)}
.bw-ordered-self-quiz{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,14rem),1fr));gap:.75rem}
.bw-ordered-quiz{padding:1rem;border:1px solid var(--bw-hair);border-radius:12px;background:var(--bw-wash)}
.bw-ordered-quiz>p{margin-top:0;color:var(--bw-ink3)}
.bw-ordered-quiz>button{min-height:2.75rem;width:100%;padding:.7rem .85rem;border:1px solid var(--bw-line);
  border-radius:10px;background:var(--bw-raise);color:var(--bw-ink2);font:inherit;cursor:pointer}
.bw-ordered-quiz>div{margin-top:.75rem;color:var(--bw-ink3)}
.bw-layer-stack{display:grid;gap:.65rem}
.bw-layer-drill{border:1px solid var(--bw-hair);border-radius:12px;background:var(--bw-wash)}
.bw-layer-drill summary{display:flex;gap:.65rem;align-items:center;min-height:2.75rem;padding:.75rem;cursor:pointer}
.bw-layer-drill summary span{display:grid;place-items:center;width:2rem;height:2rem;border-radius:50%;
  background:var(--bw-raise);color:var(--bw-accent);font-weight:800}
.bw-layer-drill>p,.bw-layer-drill>ol{margin:.65rem .85rem;color:var(--bw-ink3)}

.bw-trace-annotator{display:flex;flex-wrap:wrap;align-items:center;gap:.55rem}
[data-bw-trace]{display:flex;gap:.55rem;align-items:center;text-align:left}
[data-bw-trace]>span{display:grid;place-items:center;width:1.9rem;height:1.9rem;border-radius:50%;
  background:var(--bw-wash);color:var(--bw-accent);font-weight:800}
[data-bw-trace][data-state="correct"]{border-color:var(--bw-good);color:var(--bw-good)}
[data-bw-trace][data-state="wrong"]{border-color:oklch(72% .15 25)}
.bw-card-deck{display:grid;gap:.85rem}
.bw-card-deck>[data-bw-card-deck],.bw-card-deck>div:first-child{min-height:10rem}
.bw-card-deck article{padding:1rem;border:1px solid var(--bw-hair);border-radius:14px;
  background:linear-gradient(145deg,var(--bw-raise),var(--bw-wash))}
.bw-card-deck article h3{margin-top:0;color:var(--bw-ink)}
.bw-deck-controls{display:grid;grid-template-columns:auto minmax(6rem,1fr) auto;gap:.65rem;align-items:center}
.bw-deck-controls output{text-align:center;color:var(--bw-accent);font-weight:700}
.bw-live-score{display:grid;gap:.65rem}
.bw-score-factor{display:flex;gap:.65rem;align-items:center;min-height:2.75rem;padding:.65rem .8rem;
  border:1px solid var(--bw-hair);border-radius:10px;background:var(--bw-wash);cursor:pointer}
.bw-score-factor input{width:1.2rem;height:1.2rem;accent-color:var(--bw-accent)}
.bw-live-score output{padding:.85rem;border:1px solid var(--bw-accent);border-radius:10px;
  color:var(--bw-accent);font:800 1.05rem/1.3 var(--bw-mono);text-align:center}
.bw-mnemonic-expander{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,12rem),1fr));gap:.65rem}
.bw-mnemonic-word{grid-column:1/-1;margin:0;padding:1rem;border-radius:12px;background:var(--bw-wash);
  color:var(--bw-gold);font:800 clamp(1.4rem,4vw,2.5rem)/1 var(--bw-mono);letter-spacing:.16em;text-align:center}
.bw-mnemonic-expander>button{min-height:2.75rem;padding:.7rem;border:1px solid var(--bw-line);
  border-radius:10px;background:var(--bw-raise);color:var(--bw-ink2);font:inherit;text-align:left;cursor:pointer}
.bw-mnemonic-expander>button b{margin-right:.5rem;color:var(--bw-accent)}
.bw-mnemonic-expander>div{padding:.75rem;color:var(--bw-ink3)}

.bw-score-run{display:grid;gap:.75rem}
.bw-direction-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.65rem;align-items:center;
  padding:.8rem;border:1px solid var(--bw-hair);border-radius:10px;background:var(--bw-wash)}
.bw-direction-row>div{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:flex-end}
.bw-direction-row small{grid-column:1/-1;color:var(--bw-ink3)}
[data-bw-direction-choice][data-state="correct"]{border-color:var(--bw-good);color:var(--bw-good)}
[data-bw-direction-choice][data-state="wrong"]{border-color:oklch(72% .15 25)}
.bw-score-run>output{padding:.75rem;border-radius:10px;background:var(--bw-wash);
  color:var(--bw-accent);font-weight:800;text-align:center}
.bw-spaced-self-rate{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:.75rem}
.bw-self-rate-card{display:grid;align-content:start;gap:.65rem;padding:1rem;border:1px solid var(--bw-hair);
  border-radius:14px;background:linear-gradient(145deg,var(--bw-raise),var(--bw-wash))}
.bw-self-rate-card h3,.bw-self-rate-card p{margin:0}
.bw-self-rate-card>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem}
[data-bw-self-rate][aria-pressed="true"]{border-color:var(--bw-accent);color:var(--bw-accent)}
.bw-self-rate-card output{min-height:1.4rem;color:var(--bw-good);font-weight:700}
.bw-activity button:disabled{cursor:default;opacity:.7}
.bw-activity button[data-state="correct"]{border-color:var(--bw-good);color:var(--bw-good)}
.bw-activity button[data-state="wrong"]{border-color:oklch(72% .15 25)}
.bw-activity button[aria-pressed="true"]{box-shadow:inset 0 0 0 1px currentColor}
@media(max-width:520px){
  .bw-type-answer,.bw-true-false-row,.bw-before-after,.bw-state-toggle,.bw-direction-row{
    grid-template-columns:1fr}
  .bw-type-answer .bw-btn,.bw-true-false-row>div,.bw-direction-row>div{width:100%;justify-content:stretch}
  .bw-true-false-row>div>* ,.bw-direction-row>div>*{flex:1 1 auto}
  .bw-deck-controls{grid-template-columns:1fr 1fr}
  .bw-deck-controls output{grid-column:1/-1;grid-row:1}
}
@media(prefers-reduced-motion:reduce){
  .bw-reveal-card,.bw-cascade-reveal li,.bw-card-deck article{transform:none!important;transition:none!important}
}