.math-visual{margin:28px 0 6px;padding:26px;background:#fbf9f6;border:1px solid #eae3dc;border-radius:24px;overflow:hidden;min-width:0}
.math-visual-heading>span{font-size:11px;font-weight:800;letter-spacing:.045em;color:#8a6c56}
.math-visual-heading h3{font-size:21px;line-height:1.4;margin:7px 0 18px;color:#433b51}
.math-visual-art{display:block;width:100%;max-width:420px;max-height:340px;margin:10px auto 16px;overflow:visible}
.math-visual-art text{font-family:inherit;fill:#65556f}
.visual-floor{font-size:21px;font-weight:800;font-variant-numeric:tabular-nums}
.visual-small{font-size:15px;font-weight:600}
.visual-label{font-size:19px;font-weight:800}
.visual-route{fill:none;stroke:#9773b9;stroke-width:3;stroke-linejoin:round;stroke-linecap:round}
.visual-piece.taken rect{fill:#ac765b}.visual-piece.added rect{fill:#a18abd}.visual-piece.remaining rect{fill:#efe5dc}
.chocolate-shadow{stroke:#64422b;stroke-width:6;opacity:.24}.chocolate-shine{stroke:#fff5df;stroke-width:4;opacity:.3}
.visual-piece.remaining rect{stroke:#d6c6b9;stroke-width:1}
.visual-cut{stroke:#fff9f0;stroke-width:3;stroke-dasharray:90}
.visual-bracket{stroke:#b8a99d;fill:none;stroke-width:1.5}
.visual-jar-label{font-size:18px;font-weight:800;fill:#35455b!important}
.math-visual-equation{display:block;text-align:center;color:#654b85;font-size:clamp(20px,3vw,27px);line-height:1.6;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.lesson-focus .math-visual .math-visual-caption{font-size:15px;line-height:1.75;color:#625e69;margin:12px 0 20px}
.math-visual-controls{padding-top:18px;border-top:1px solid #e9e0d8}
.lesson-focus .math-visual-controls>p{font-size:13px;line-height:1.7;color:#746778;margin:0 0 12px}
.math-visual-controls>div{display:flex;flex-wrap:wrap;gap:8px}
.lesson-focus .math-visual-controls button{min-height:44px;padding:10px 15px;border:1px solid #d8cde3;background:#fff;border-radius:13px;font-size:14px;font-weight:800;color:#655077;line-height:1.5}
.lesson-focus .math-visual-controls button[aria-pressed=true]{background:#eee5f7;border-color:#a48bbb;box-shadow:inset 0 -2px 0 #d7c4e9}
.math-visual-controls button:focus-visible{outline:3px solid #7960b9;outline-offset:3px}
.lesson-focus .math-reading-layout .math-worked .math-visual{margin-top:24px}
@media(max-width:600px){
 .math-visual{padding:18px 14px;border-radius:20px;margin-top:24px}
 .math-visual-heading h3{font-size:19px}
 .math-visual-art{margin:8px auto 14px}
 .lesson-focus .math-visual .math-visual-caption{font-size:14px}
 .lesson-focus .math-visual-controls button{font-size:13px;padding:9px 12px}
 .lesson-focus .math-worked .math-visual{margin-left:-8px;margin-right:-8px}
}
@media(prefers-reduced-motion:reduce){.math-visual *{animation:none!important;transition:none!important}}