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.4rem;font-family:var(--sans);font-size:.95rem;font-weight:700}.doc p{margin:0 0 1rem;color:var(--ink-2)}.doc strong{color:var(--ink)}.doc ul,.doc ol{margin:0 0 1.1rem;padding-left:1.3rem;color:var(--ink-2)}.doc li{margin-bottom:.4rem}.doc blockquote{margin:1.2rem 0;padding:.9rem 1.1rem;background:var(--paper-2);border-left:3px solid var(--accent);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink)}.doc blockquote p:last-child{margin:0}.doc hr{border:0;border-top:1px solid var(--rule);margin:2rem 0}.doc code{font-family:var(--mono);font-size:.88em;background:var(--paper-2);padding:.1em .35em;border-radius:4px}.doc table{margin:0 0 1.2rem}.doc td:first-child{font-weight:600;color:var(--ink)}.worked{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:clamp(1.3rem,3vw,2rem);box-shadow:var(--shadow)}.worked-steps{list-style:none;margin:0;padding:0}.worked-steps li{position:relative;padding:0 0 1.1rem 1.6rem;border-left:2px solid var(--rule)}.worked-steps li:last-child{border-left-color:transparent;padding-bottom:0}.worked-steps li:before{content:"";position:absolute;left:-.42rem;top:.45rem;width:.7rem;height:.7rem;border-radius:50%;background:var(--rule-2)}.worked-steps li.is-new:before{background:var(--accent)}.worked-steps li.is-new{animation:workedIn .28s ease-out}@keyframes workedIn{0%{opacity:0;transform:translateY(.4rem)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.worked-steps li.is-new{animation:none}}.worked-say{font-size:1rem;color:var(--ink);margin-bottom:.35rem}.worked-math{font-family:var(--display);font-size:clamp(1.15rem,.95rem + .8vw,1.5rem);font-weight:600;letter-spacing:-.01em;color:var(--accent);font-variant-numeric:tabular-nums}.worked-note{font-size:.87rem;color:var(--ink-2);margin:.4rem 0 0;max-width:54ch}.worked-outro{margin-top:1.3rem;padding-top:1.2rem;border-top:1px solid var(--rule)}.board{background:var(--card);border:1px solid var(--rule);border-radius:var(--r);padding:clamp(1rem,2.5vw,1.5rem);box-shadow:var(--shadow)}.board-title{font-family:var(--display);font-size:1.1rem;font-weight:600;margin-bottom:.8rem;color:var(--ink)}.board-surface{background:var(--paper-2);border-radius:var(--r-sm);padding:.5rem}.board svg{width:100%;height:auto;display:block}.board .ink{fill:none;stroke:var(--ink);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.board .ink.accent{stroke:var(--accent);stroke-width:2.4}.board .ink.soft{stroke:var(--ink-3);stroke-width:1.6}.board .hand{font-family:"Caveat",var(--display),cursive;fill:var(--ink);font-size:26px;font-weight:600}.board .hand.s{font-size:19px;fill:var(--ink-2)}.board .hand.l{font-size:38px}.board .hand.accent{fill:var(--accent)}.board .hand.soft{fill:var(--ink-3)}.board-step.is-new .ink{stroke-dasharray:1200;stroke-dashoffset:1200;animation:inkOn .55s ease-out forwards}.board .hand.is-writing tspan{opacity:0;animation:charOn .12s ease-out forwards}@keyframes 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