.shk{--shk-bg:#fff;--shk-muted:#8a8a85;--shk-grid:#0b0b0c17;--shk-c1:#2563eb;--shk-c2:#16a34a;--shk-c3:#dc2626;--shk-c4:#7c3aed;--shk-c5:#0891b2}.shk-fig{width:100%;height:auto;max-height:340px;color:var(--ink);display:block}.shk-fig text{font-family:var(--font-mono);letter-spacing:0}.shk .katex{font-size:1.12em}.shk .katex-display{margin:.6em 0;padding:.2em 0;overflow:auto hidden}.shk-task{transition:border-color .15s ease-out,background-color .15s ease-out,transform .15s ease-out}.shk-task[data-state=ok]{border-color:color-mix(in srgb,var(--shk-c2)55%,transparent);background:color-mix(in srgb,var(--shk-c2)6%,var(--surface))}.shk-task[data-state=bad]{border-color:color-mix(in srgb,var(--shk-c3)45%,transparent)}.shk-pop{animation:.22s cubic-bezier(.2,1.4,.4,1) shk-pop}@keyframes shk-pop{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}.shk-shake{animation:.26s ease-out shk-shake}@keyframes shk-shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.shk-bar-fill{transition:width .22s ease-out}@media (prefers-reduced-motion:reduce){.shk-pop,.shk-shake{animation:none}.shk-task,.shk-bar-fill{transition:none}}.shk-print-only{display:none}@media print{header.ra-nav,footer.ra-footer,.ra-progress,.shk-noprint,nav[aria-label=Хлебные\ крошки]{display:none!important}.shk-print-only{display:block}body{background:#fff!important}.shk-task{break-inside:avoid;box-shadow:none!important;background:0 0!important;border:0!important;border-bottom:1px solid #ccc!important;border-radius:0!important;padding:10px 0!important}.shk-figure{max-width:240px}body[data-shk-print=student] .shk-key-sheet,body[data-shk-print=student] .shk-answer-block,body[data-shk-print=key] .shk-answer-block{display:none!important}body[data-shk-print=key] .shk-key-sheet{break-before:page;display:block}}