.frq[data-astro-cid-dtcwdfl7]{--level-color: var(--color-accent);--level-soft: var(--color-accent-soft);margin:1.5rem 0}.frq__pager[data-astro-cid-dtcwdfl7] .btn[data-astro-cid-dtcwdfl7],.frq__set-actions[data-astro-cid-dtcwdfl7] .btn[data-astro-cid-dtcwdfl7],.frq__head-reset[data-astro-cid-dtcwdfl7],.frq__q-actions[data-astro-cid-dtcwdfl7] .btn[data-astro-cid-dtcwdfl7]{min-height:44px}.frq__head[data-astro-cid-dtcwdfl7]{position:sticky;top:0;z-index:5;background:var(--color-progress-backdrop);backdrop-filter:blur(6px);padding:.7rem 0 .8rem;margin-bottom:var(--space-2)}@media(max-height:30rem){.frq__head[data-astro-cid-dtcwdfl7]{position:static;backdrop-filter:none}}.frq__head-top[data-astro-cid-dtcwdfl7]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap;margin-bottom:.5rem}.frq__head-reset[data-astro-cid-dtcwdfl7]{margin:0 auto}.frq__chip[data-astro-cid-dtcwdfl7]{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--level-color)}.frq__pager-status[data-astro-cid-dtcwdfl7]{font-size:var(--text-sm);color:var(--color-muted);font-variant-numeric:tabular-nums}.frq__nav[data-astro-cid-dtcwdfl7]{display:flex;flex-wrap:wrap;gap:.4rem .3rem}.frq__nav-btn[data-astro-cid-dtcwdfl7]{display:inline-flex;align-items:center;justify-content:center;flex:none;width:1.7rem;height:1.7rem;padding:0;font-family:inherit;font-size:var(--text-xs);font-weight:700;font-variant-numeric:tabular-nums;border:1px solid var(--color-border);border-radius:6px;background:var(--color-card-bg);color:var(--color-text);cursor:pointer;transition:border-color .12s,background .12s,box-shadow .12s}.frq__nav-btn[data-astro-cid-dtcwdfl7]:hover{border-color:var(--level-color);background:var(--level-soft)}.frq__nav-btn[data-astro-cid-dtcwdfl7].is-current{border-color:var(--level-color);background:var(--level-soft);color:var(--level-color);box-shadow:0 0 0 2px var(--level-color)}.frq__nav-btn[data-astro-cid-dtcwdfl7]:focus-visible{outline:2px solid var(--level-color);outline-offset:2px}@media(prefers-reduced-motion:reduce){.frq__nav-btn[data-astro-cid-dtcwdfl7]{transition:none}}.frq__pager[data-astro-cid-dtcwdfl7]{display:flex;align-items:center;justify-content:space-between;gap:.6rem;margin-bottom:var(--space-5);scroll-margin-top:var(--frq-scroll-margin, 8rem)}.frq__pager[data-astro-cid-dtcwdfl7] .btn[data-astro-cid-dtcwdfl7][disabled]{opacity:.4;cursor:not-allowed}.frq__list[data-astro-cid-dtcwdfl7]{list-style:none;margin:0;padding:0}.frq__list[data-astro-cid-dtcwdfl7] .frq__q[data-astro-cid-dtcwdfl7]:not(.is-active){display:none}.frq__q[data-astro-cid-dtcwdfl7]{border:1px solid var(--color-border);border-left:4px solid var(--level-color);border-radius:var(--radius-lg);padding:clamp(.9rem,3vw,1.35rem);margin:0 0 var(--space-6);background:var(--color-card-bg);box-shadow:var(--shadow-sm);scroll-margin-top:8rem}.frq__q-head[data-astro-cid-dtcwdfl7]{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap}.frq__num[data-astro-cid-dtcwdfl7]{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:1.85rem;height:1.85rem;border:1px solid var(--level-color);border-radius:var(--radius-pill);background:var(--level-soft);color:var(--level-ink, var(--level-color));font-family:var(--font-mono);font-size:.9rem;font-weight:700;font-variant-numeric:tabular-nums}.frq__q-title[data-astro-cid-dtcwdfl7]{margin:0;font-size:var(--text-lg)}.frq__meta[data-astro-cid-dtcwdfl7]{display:flex;gap:var(--space-3);margin:0 0 0 auto}.frq__tag[data-astro-cid-dtcwdfl7]{font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted);white-space:nowrap}.frq__stem[data-astro-cid-dtcwdfl7]{margin-top:var(--space-3)}.frq__stem[data-astro-cid-dtcwdfl7] p:last-child{margin-bottom:0}.frq__figure-desc[data-astro-cid-dtcwdfl7]{margin:0;font-size:var(--text-sm);color:var(--color-muted)}.frq__parts[data-astro-cid-dtcwdfl7]{list-style:none;margin:var(--space-5) 0 0;padding:0}.frq__part[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-5);padding-bottom:var(--space-4);border-bottom:1px dashed var(--color-border)}.frq__part[data-astro-cid-dtcwdfl7]:last-child{border-bottom:0;padding-bottom:0;margin-bottom:0}.frq__part-head[data-astro-cid-dtcwdfl7]{display:flex;gap:.7rem;align-items:baseline}.frq__part-letter[data-astro-cid-dtcwdfl7]{flex:0 0 auto;font-family:var(--font-mono);font-weight:700;color:var(--level-color);min-width:1.4em}.frq__part-body[data-astro-cid-dtcwdfl7]{flex:1;min-width:0}.frq__part-prompt[data-astro-cid-dtcwdfl7] p{margin:0 0 var(--space-2)}.frq__part-prompt[data-astro-cid-dtcwdfl7] p:last-child{margin-bottom:0}.frq__carry[data-astro-cid-dtcwdfl7]{margin:var(--space-2) 0 0;padding:var(--space-2) var(--space-3);border-left:3px solid var(--color-warning);border-radius:var(--radius-sm);background:var(--color-warning-soft);font-size:var(--text-sm)}.frq__carry-label[data-astro-cid-dtcwdfl7]{display:block;font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-warning-strong)}.frq__part-type[data-astro-cid-dtcwdfl7]{margin:var(--space-2) 0 0;display:flex;gap:var(--space-2);align-items:baseline;flex-wrap:wrap}.frq__part-type-label[data-astro-cid-dtcwdfl7]{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--level-color)}.frq__part-type-help[data-astro-cid-dtcwdfl7]{font-size:var(--text-sm);color:var(--color-muted)}.frq__part-type-pts[data-astro-cid-dtcwdfl7]{margin-left:auto;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-muted);white-space:nowrap}.frq__cards[data-astro-cid-dtcwdfl7]{display:flex;flex-direction:column;gap:var(--space-3);margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid var(--color-border)}.frq__cards[data-astro-cid-dtcwdfl7] .frq-card{margin:0}.frq__card-intro[data-astro-cid-dtcwdfl7],.frq__rubric-intro[data-astro-cid-dtcwdfl7]{margin:0 0 var(--space-4);font-size:var(--text-sm);color:var(--color-muted)}.frq__panel-label[data-astro-cid-dtcwdfl7]{margin:0 0 var(--space-2);color:var(--level-color)}.frq__hint-list[data-astro-cid-dtcwdfl7]{list-style:none;margin:0;padding:0}.frq__hint[data-astro-cid-dtcwdfl7]{padding:var(--space-3);margin-bottom:var(--space-3);border-left:3px solid var(--color-warning);border-radius:var(--radius-sm);background:var(--color-warning-soft)}.frq__hint-n[data-astro-cid-dtcwdfl7]{display:block;color:var(--color-warning-strong)}.frq__hint-body[data-astro-cid-dtcwdfl7] p:last-child{margin-bottom:0}.frq__hint-btn[data-astro-cid-dtcwdfl7]{min-height:44px;background:var(--color-warning-strong);border-color:var(--color-warning-strong);color:var(--color-card-bg)}.frq__hint-btn[data-astro-cid-dtcwdfl7]:hover{filter:brightness(.94);background:var(--color-warning-strong);border-color:var(--color-warning-strong)}.frq__hint-done[data-astro-cid-dtcwdfl7]{margin:0;font-size:var(--text-sm);color:var(--color-muted)}.frq__answer-btn[data-astro-cid-dtcwdfl7],.frq__sol-btn[data-astro-cid-dtcwdfl7],.frq__retry-tools[data-astro-cid-dtcwdfl7] .btn[data-astro-cid-dtcwdfl7]{min-height:44px}.frq__answer-btn[data-astro-cid-dtcwdfl7]{background:var(--color-correct-strong);border-color:var(--color-correct-strong);color:var(--color-card-bg)}.frq__answer-btn[data-astro-cid-dtcwdfl7]:hover{filter:brightness(.94);background:var(--color-correct-strong);border-color:var(--color-correct-strong)}.frq__sol-btn[data-astro-cid-dtcwdfl7]{color:var(--level-color);border-color:color-mix(in srgb,var(--level-color) 45%,transparent)}.frq__sol-btn[data-astro-cid-dtcwdfl7]:hover{background:var(--level-soft);color:var(--level-color)}.frq__answer[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-4);padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);border:1px solid color-mix(in srgb,var(--color-correct) 40%,transparent);background:var(--color-correct-bg)}.frq__answer[data-astro-cid-dtcwdfl7] .frq__panel-label[data-astro-cid-dtcwdfl7]{color:var(--color-correct)}.frq__ans-part[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-3)}.frq__ans-part[data-astro-cid-dtcwdfl7]:last-of-type{margin-bottom:0}.frq__ans-letter[data-astro-cid-dtcwdfl7]{margin:0;font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted)}.frq__ans-body[data-astro-cid-dtcwdfl7]{font-weight:600}.frq__ans-body[data-astro-cid-dtcwdfl7] p{margin:.15rem 0 0}.frq__ans-forms[data-astro-cid-dtcwdfl7]{margin:var(--space-1) 0 0;padding-left:1.1rem;font-size:var(--text-sm);color:var(--color-muted)}.frq__ans-nudge[data-astro-cid-dtcwdfl7]{margin:var(--space-4) 0 0;padding-top:var(--space-3);border-top:1px dashed color-mix(in srgb,var(--color-correct) 30%,transparent);font-size:var(--text-sm);color:var(--color-muted)}.frq__solution[data-astro-cid-dtcwdfl7]{margin-top:var(--space-4);padding:var(--space-4) var(--space-5);border-radius:var(--radius-md);border:1px solid color-mix(in srgb,var(--level-color) 25%,transparent);background:var(--level-soft)}.frq__sol-part[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-5)}.frq__sol-part-head[data-astro-cid-dtcwdfl7]{margin:0 0 var(--space-1)}.frq__sol-part-letter[data-astro-cid-dtcwdfl7]{font-family:var(--font-mono);font-weight:700;color:var(--level-color)}.frq__sol-body[data-astro-cid-dtcwdfl7] p{margin:0 0 .6rem}.frq__sol-body[data-astro-cid-dtcwdfl7] p:last-child{margin-bottom:0}.frq__sol-body[data-astro-cid-dtcwdfl7] .katex-display{margin:.5rem 0}.frq__sol-body[data-astro-cid-dtcwdfl7] blockquote{margin:.9rem 0;padding:.6rem .9rem;border:0;border-left:4px solid var(--color-warning);border-radius:var(--radius-sm);background:var(--color-warning-soft);font-size:var(--text-sm)}.frq__sol-body[data-astro-cid-dtcwdfl7] blockquote p{margin:0}.frq__sol-body[data-astro-cid-dtcwdfl7] blockquote strong{color:var(--color-warning-strong);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-right:.3rem}.frq__sol-final[data-astro-cid-dtcwdfl7],.frq__alt[data-astro-cid-dtcwdfl7],.frq__reflection[data-astro-cid-dtcwdfl7]{margin-top:var(--space-5);padding-top:var(--space-4);border-top:1px solid color-mix(in srgb,var(--level-color) 25%,transparent)}.frq__sol-final[data-astro-cid-dtcwdfl7] p:last-child{margin-bottom:0}.frq__alt-when[data-astro-cid-dtcwdfl7]{margin:var(--space-2) 0 0;font-size:var(--text-sm);color:var(--color-muted)}.frq__alt-when-label[data-astro-cid-dtcwdfl7],.frq__criterion-look-label[data-astro-cid-dtcwdfl7],.frq__criterion-partial-label[data-astro-cid-dtcwdfl7]{font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-right:.4rem}.frq__reflection[data-astro-cid-dtcwdfl7]{display:block}.frq__retry-prompt[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-3)}.frq__retry-tools[data-astro-cid-dtcwdfl7]{display:flex;flex-wrap:wrap;gap:var(--space-2)}.frq__retry-answer[data-astro-cid-dtcwdfl7],.frq__retry-solution[data-astro-cid-dtcwdfl7]{margin-top:var(--space-3);padding-top:var(--space-3);border-top:1px dashed color-mix(in srgb,var(--level-color) 30%,transparent)}.frq__retry-answer[data-astro-cid-dtcwdfl7]{font-weight:600}.frq__retry-answer-btn[data-astro-cid-dtcwdfl7]{background:var(--color-correct-strong);border-color:var(--color-correct-strong);color:var(--color-card-bg)}.frq__retry-answer-btn[data-astro-cid-dtcwdfl7]:hover{filter:brightness(.94);background:var(--color-correct-strong);border-color:var(--color-correct-strong)}.frq__retry-sol-btn[data-astro-cid-dtcwdfl7]{color:var(--level-color);border-color:color-mix(in srgb,var(--level-color) 45%,transparent)}.frq__retry-sol-btn[data-astro-cid-dtcwdfl7]:hover{background:var(--level-soft);color:var(--level-color)}.frq__criteria[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-4)}.frq__criteria[data-astro-cid-dtcwdfl7]:last-child{margin-bottom:0}.frq__criteria-legend[data-astro-cid-dtcwdfl7]{display:flex;justify-content:space-between;gap:var(--space-2);margin:0 0 var(--space-2);font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted)}.frq__criteria-legend[data-astro-cid-dtcwdfl7] .frq__criteria-pts[data-astro-cid-dtcwdfl7]{color:var(--level-color)}.frq__criterion[data-astro-cid-dtcwdfl7]{display:flex;align-items:flex-start;gap:.7rem;padding:.6rem .8rem;margin-bottom:var(--space-2);background:var(--color-card-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm)}.frq__criterion[data-astro-cid-dtcwdfl7]:last-child{margin-bottom:0}.frq__criterion[data-astro-cid-dtcwdfl7] .frq__criterion-pts[data-astro-cid-dtcwdfl7]{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;min-width:1.75rem;height:1.75rem;border-radius:var(--radius-sm);background:var(--level-soft);border:1px solid color-mix(in srgb,var(--level-color) 35%,transparent);color:var(--level-color);font-family:var(--font-mono);font-weight:700;font-variant-numeric:tabular-nums}.frq__criterion-text[data-astro-cid-dtcwdfl7]{min-width:0}.frq__criterion-head[data-astro-cid-dtcwdfl7]{margin:0}.frq__criterion-flag[data-astro-cid-dtcwdfl7]{display:inline-block;margin-left:.4rem;font-family:var(--font-mono);font-size:var(--text-xs);color:var(--color-warning-strong)}.frq__criterion-look[data-astro-cid-dtcwdfl7],.frq__criterion-partial[data-astro-cid-dtcwdfl7]{margin:var(--space-1) 0 0;font-size:var(--text-sm);color:var(--color-muted)}.frq__q-actions[data-astro-cid-dtcwdfl7]{margin-top:var(--space-4)}.frq__set-actions[data-astro-cid-dtcwdfl7]{display:flex;flex-wrap:wrap;gap:var(--space-3);margin-top:var(--space-8);padding-top:var(--space-5);border-top:1px solid var(--color-border)}.frq__appendix[data-astro-cid-dtcwdfl7]{display:none}@media(max-width:500px){.frq__meta[data-astro-cid-dtcwdfl7]{margin-left:0;width:100%}.frq__part-type-pts[data-astro-cid-dtcwdfl7]{margin-left:0}.frq__pager[data-astro-cid-dtcwdfl7] .btn[data-astro-cid-dtcwdfl7],.frq__set-actions[data-astro-cid-dtcwdfl7] .btn[data-astro-cid-dtcwdfl7]{flex:1;justify-content:center}}@media print{.frq__head[data-astro-cid-dtcwdfl7],.frq__pager[data-astro-cid-dtcwdfl7],.frq__q-actions[data-astro-cid-dtcwdfl7],.frq__set-actions[data-astro-cid-dtcwdfl7],.frq-card{display:none!important}.frq__cards[data-astro-cid-dtcwdfl7]{display:none}.frq[data-astro-cid-dtcwdfl7]{font-size:.92rem;line-height:1.45}.frq__list[data-astro-cid-dtcwdfl7] .frq__q[data-astro-cid-dtcwdfl7]{display:block!important;break-inside:avoid;page-break-inside:avoid;border:0;border-top:1px solid var(--color-border);border-radius:0;padding:var(--space-3) 0 0;margin:0 0 var(--space-4);box-shadow:none;background:transparent}.frq__list[data-astro-cid-dtcwdfl7] .frq__q[data-astro-cid-dtcwdfl7]:first-child{border-top:0;padding-top:0}.frq__num[data-astro-cid-dtcwdfl7]{display:none}.frq__q-title[data-astro-cid-dtcwdfl7]{font-size:var(--text-md);break-after:avoid}.frq__stem[data-astro-cid-dtcwdfl7]{margin-top:var(--space-2)}.frq__parts[data-astro-cid-dtcwdfl7]{margin-top:var(--space-3)}.frq__part[data-astro-cid-dtcwdfl7]{break-inside:avoid;border-bottom:0;margin-bottom:var(--space-3);padding-bottom:0}.frq__part-type[data-astro-cid-dtcwdfl7]{margin-top:var(--space-1)}.frq__carry[data-astro-cid-dtcwdfl7]{margin-top:var(--space-1);padding:var(--space-1) var(--space-2)}.frq__figure[data-astro-cid-dtcwdfl7]{break-inside:avoid}.frq__figure[data-astro-cid-dtcwdfl7] .diagram{margin:var(--space-2) 0;padding:0;border:0}.frq__figure[data-astro-cid-dtcwdfl7] .collapsible{display:none!important}.frq__appendix[data-astro-cid-dtcwdfl7]{display:block;break-before:page;page-break-before:always;font-size:.92rem}.frq__appendix-title[data-astro-cid-dtcwdfl7]{margin:0 0 var(--space-2)}.frq__appendix-intro[data-astro-cid-dtcwdfl7]{margin:0 0 var(--space-4);color:var(--color-muted)}.frq__appendix-q[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-4);break-inside:auto}.frq__appendix-q-title[data-astro-cid-dtcwdfl7]{display:flex;justify-content:space-between;gap:var(--space-3);margin:0 0 var(--space-2);padding-bottom:var(--space-1);border-bottom:1px solid var(--color-border);font-size:var(--text-md)}.frq__appendix-part[data-astro-cid-dtcwdfl7]{margin-bottom:var(--space-3);break-inside:auto}.frq__appendix-part-head[data-astro-cid-dtcwdfl7]{display:flex;justify-content:space-between;gap:var(--space-3);margin:0;break-after:avoid;font-family:var(--font-mono);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted)}.frq__appendix-list[data-astro-cid-dtcwdfl7]{list-style:none;margin:var(--space-1) 0 0;padding:0}.frq__appendix-list[data-astro-cid-dtcwdfl7] li[data-astro-cid-dtcwdfl7]{display:flex;align-items:baseline;gap:var(--space-2);padding:.1rem 0;break-inside:avoid}.frq__appendix-box[data-astro-cid-dtcwdfl7]{flex:0 0 auto;width:.85rem;height:.85rem;border:1px solid var(--color-text);border-radius:2px}.frq__appendix-list[data-astro-cid-dtcwdfl7] li[data-astro-cid-dtcwdfl7]>span[data-astro-cid-dtcwdfl7]:nth-child(2){flex:1}.frq__appendix-pts[data-astro-cid-dtcwdfl7]{font-family:var(--font-mono);font-weight:700;white-space:nowrap}}