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var(--ease-spring)}.line-enter-from[data-v-c4a9ccc4]{opacity:0;transform:translateY(-6px)}.prompt[data-v-c4a9ccc4]{text-align:center;font-family:var(--font-display);font-weight:900;font-size:clamp(1.15rem,5vw,1.5rem);color:var(--text);margin:0;min-height:2.6em;display:flex;align-items:center;justify-content:center}.prompt.done[data-v-c4a9ccc4]{color:var(--accent-math-dark)}.prompt.shake[data-v-c4a9ccc4]{animation:shake-c4a9ccc4 .4s var(--ease-spring);color:var(--danger-dark)}@keyframes shake-c4a9ccc4{10%,90%{transform:translate(-4px)}30%,70%{transform:translate(5px)}50%{transform:translate(-3px)}}:root[data-reduce-motion] .prompt.shake[data-v-c4a9ccc4]{animation:none}.options[data-v-c4a9ccc4]{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--space-sm)}.opt[data-v-c4a9ccc4]{min-height:64px;font-family:var(--font-display);font-weight:900;font-size:1.6rem;color:var(--text);background:var(--bg-card);border:3px solid var(--bg-muted);border-radius:var(--radius-md);cursor:pointer;box-shadow:var(--shadow-xs);font-feature-settings:"tnum";transition:transform .1s var(--ease-spring),border-color .15s,background .15s,opacity .2s}@media (hover: hover){.opt[data-v-c4a9ccc4]:hover:not(:disabled){transform:translateY(-2px);border-color:var(--accent-math)}}.opt[data-v-c4a9ccc4]:active:not(:disabled){transform:translateY(1px);background:var(--accent-math-soft)}.opt.hidden[data-v-c4a9ccc4]{opacity:.25;pointer-events:none}.next-hint[data-v-c4a9ccc4]{text-align:center;font-size:1.3rem;padding:var(--space-md);animation:popDot-c4a9ccc4 .4s var(--ease-spring)}.ctrl-row[data-v-c4a9ccc4]{display:flex;gap:var(--space-sm);justify-content:center}.mini-btn[data-v-c4a9ccc4]{min-height:44px;padding:0 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