/* Geometry only; the shared kit owns typography, controls and working surfaces. */
.lab{max-width:760px;margin:auto}.lab header span{display:none}.controls label{font-size:12px}.reduce{margin-left:auto;display:flex;gap:6px;align-items:center}.scene{height:240px;position:relative}.paper{width:220px;height:164px;position:absolute;left:calc(50% - 110px);top:36px;padding:20px;background:#fff;border:0;border-radius:10px;box-shadow:0 7px 20px #192b4114;transform-origin:100% 100%;transform:rotate(75deg);transition:transform .7s cubic-bezier(.22,1,.36,1)}.paper.open{transform:rotate(-4deg)}.paper-label{font-size:12px;color:var(--jc-muted)}.paper-rule{height:8px;margin:9px 0}.scene .paper p{font-size:20px;line-height:1.4;font-weight:600;margin:0;color:var(--jc-ink)}.pivot{position:absolute;right:-5px;bottom:-5px;width:10px;height:10px;background:#e65d4d;border-radius:50%;outline:3px solid #e65d4d30}.paper.center .pivot{right:calc(50% - 5px);bottom:calc(50% - 5px)}#value{font:12px ui-monospace,monospace;color:var(--jc-muted)}.calm .paper{transition:none}@media(prefers-reduced-motion:reduce){.paper{transition:none}}