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.stuck{font-size:.74rem;color:var(--chalk-dim);text-decoration:underline;text-underline-offset:2px;cursor:pointer;margin-left:auto;background:none;border:none;font-family:inherit;padding:0}.ritem .stuck:hover{color:var(--chalk)}.crumbs{font-size:.8rem;color:var(--chalk-faint);margin-bottom:16px;min-height:1.1em}.crumbs .rm{color:var(--chalk-dim)}.step{display:none;animation:fade .22s ease}.step.active{display:block}@keyframes fade{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}.q{font-size:1.7rem;line-height:1.3;margin-bottom:7px;font-weight:520}.sub{font-size:.95rem;color:var(--chalk-dim);margin-bottom:24px}.opt{display:flex;align-items:center;gap:16px;width:100%;text-align:left;background:var(--sunk);border:1.5px solid transparent;border-radius:var(--radius-student);color:var(--chalk);padding:18px 19px;margin-bottom:11px;cursor:pointer;font-family:inherit;font-size:1.22rem;font-weight:500;transition:border-color .12s,background 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15px;cursor:pointer}.solved:hover{background:var(--solve-hover)}.donebig{width:3rem;height:3rem;margin-bottom:6px;color:var(--chalk-dim)}.donebig.solve{color:var(--u-calm)}.donebig svg{display:block;width:100%;height:100%}.statusline{font-size:1.05rem;color:var(--chalk-dim);margin-top:2px}.statusline .rm{color:var(--chalk)}.celebrate{position:fixed;inset:0;background:var(--overlay-bg);display:none;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px;z-index:50;padding:30px}.celebrate.show{display:flex}.animal{font-size:5rem;animation:pop .5s cubic-bezier(.2,1.5,.4,1)}@keyframes pop{0%{transform:scale(0) rotate(-12deg)}to{transform:scale(1)}}.celebrate h2{font-size:1.7rem;font-weight:540}.celebrate p{font-size:1rem;color:var(--chalk-dim);max-width:340px}canvas.cf{position:fixed;inset:0;pointer-events:none;z-index:51}.connnote{font-size:.82rem;color:var(--u-block);margin-top:10px;min-height:1em}@media(prefers-reduced-motion:reduce){.step,.animal{animation:none}}