.iv__bar[data-astro-cid-yifuyi6y]{gap:var(--space-3);margin-top:var(--space-8);padding:var(--space-4) var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);display:grid}.iv__count[data-astro-cid-yifuyi6y],.iv__progress[data-astro-cid-yifuyi6y],.iv__note[data-astro-cid-yifuyi6y]{font-size:var(--text-sm);color:var(--color-text-secondary)}.iv__progress[data-astro-cid-yifuyi6y]:empty{display:none}.iv__filters[data-astro-cid-yifuyi6y]{gap:var(--space-2);flex-wrap:wrap;display:flex}.iv__chip[data-astro-cid-yifuyi6y],.card__check[data-astro-cid-yifuyi6y] button[data-astro-cid-yifuyi6y]{border:1px solid var(--color-border);color:var(--color-text);font:inherit;font-size:var(--text-sm);cursor:pointer;background:0 0;border-radius:999px;padding:.3rem .8rem}.iv__chip[data-astro-cid-yifuyi6y][aria-pressed=true]{border-color:var(--color-primary);background:var(--color-primary);color:#fff}.iv__stage[data-astro-cid-yifuyi6y]{margin-top:var(--space-12)}.iv__stage-title[data-astro-cid-yifuyi6y]{align-items:center;gap:var(--space-3);font-size:var(--text-xl);letter-spacing:-.015em;font-weight:650;display:flex}.iv__stage-num[data-astro-cid-yifuyi6y]{background:var(--color-primary);color:#fff;border-radius:50%;place-items:center;width:2.1rem;height:2.1rem;font-weight:700;display:grid}.iv__cards[data-astro-cid-yifuyi6y]{gap:var(--space-4);margin:var(--space-4) 0 0;padding:0;list-style:none;display:grid}.card[data-astro-cid-yifuyi6y]{padding:var(--space-6);border:1px solid var(--color-border);border-left:4px solid var(--color-border);border-radius:var(--radius-md)}.card[data-astro-cid-yifuyi6y][data-mark=knew]{border-left-color:#16a34a}.card[data-astro-cid-yifuyi6y][data-mark=shaky]{border-left-color:#d97706}.card[data-astro-cid-yifuyi6y][data-mark=no]{border-left-color:#dc2626}.card__meta[data-astro-cid-yifuyi6y]{gap:var(--space-2) var(--space-4);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-secondary);flex-wrap:wrap;font-size:.75rem;display:flex}.card__level[data-astro-cid-yifuyi6y]{color:var(--color-primary)}.card__topic[data-astro-cid-yifuyi6y]{text-transform:none;letter-spacing:0;font-family:inherit}.ladder[data-astro-cid-yifuyi6y]{gap:var(--space-4);margin:var(--space-4) 0 0;padding:0;list-style:none;display:grid}.ladder__step[data-astro-cid-yifuyi6y]+.ladder__step[data-astro-cid-yifuyi6y]{padding-left:var(--space-4);border-left:2px solid color-mix(in srgb, var(--color-primary) 35%, transparent)}.ladder__q[data-astro-cid-yifuyi6y]{font-size:var(--text-lg,1.125rem);font-weight:600;line-height:1.5}.ladder__n[data-astro-cid-yifuyi6y]{min-width:2rem;margin-right:var(--space-2);font-family:var(--font-mono);color:var(--color-primary);display:inline-block}.ladder__answers[data-astro-cid-yifuyi6y],.card__story[data-astro-cid-yifuyi6y]{margin-top:var(--space-2)}.ladder__answers[data-astro-cid-yifuyi6y] summary[data-astro-cid-yifuyi6y],.card__story[data-astro-cid-yifuyi6y] summary[data-astro-cid-yifuyi6y]{cursor:pointer;font-size:var(--text-sm);color:var(--color-primary)}.answers[data-astro-cid-yifuyi6y]{gap:var(--space-3);margin-top:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.answer[data-astro-cid-yifuyi6y]{padding:var(--space-4);border-radius:var(--radius-md);background:var(--color-surface);font-size:var(--text-sm);line-height:1.65}.answer--senior[data-astro-cid-yifuyi6y]{border:1px solid color-mix(in srgb, var(--color-primary) 45%, transparent)}.answer__label[data-astro-cid-yifuyi6y]{margin-bottom:var(--space-1);font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-secondary);font-size:.72rem}.answer--senior[data-astro-cid-yifuyi6y] .answer__label[data-astro-cid-yifuyi6y]{color:var(--color-primary)}.ladder__next[data-astro-cid-yifuyi6y]{border:1px dashed var(--color-primary);border-radius:var(--radius-md);color:var(--color-primary);font:inherit;cursor:pointer;background:0 0;padding:.45rem 1rem;font-weight:600}.output[data-astro-cid-yifuyi6y]{margin-top:var(--space-4)}.output__code[data-astro-cid-yifuyi6y]{margin-top:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);background:var(--color-surface);border:1px solid var(--color-border);font-family:var(--font-mono);font-size:.85rem;line-height:1.6;overflow-x:auto}.output__code--result[data-astro-cid-yifuyi6y]{border-color:#16a34a}.output__why[data-astro-cid-yifuyi6y],.card__story[data-astro-cid-yifuyi6y] p[data-astro-cid-yifuyi6y]{margin-top:var(--space-2);font-size:var(--text-sm);color:var(--color-text-secondary);line-height:1.65}.card__full[data-astro-cid-yifuyi6y]{margin-top:var(--space-4);color:var(--color-primary);font-weight:600;display:inline-block}.card__check[data-astro-cid-yifuyi6y]{align-items:center;gap:var(--space-2);margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid var(--color-border);font-size:var(--text-sm);color:var(--color-text-secondary);flex-wrap:wrap;display:flex}.card__check[data-astro-cid-yifuyi6y] button[data-astro-cid-yifuyi6y][data-mark=knew][aria-pressed=true]{color:#fff;background:#16a34a;border-color:#16a34a}.card__check[data-astro-cid-yifuyi6y] button[data-astro-cid-yifuyi6y][data-mark=shaky][aria-pressed=true]{color:#fff;background:#d97706;border-color:#d97706}.card__check[data-astro-cid-yifuyi6y] button[data-astro-cid-yifuyi6y][data-mark=no][aria-pressed=true]{color:#fff;background:#dc2626;border-color:#dc2626}.iv__note[data-astro-cid-yifuyi6y]{margin-top:var(--space-8)}[data-astro-cid-yifuyi6y][hidden]{display:none!important}@media (width<=640px){.answers[data-astro-cid-yifuyi6y]{grid-template-columns:1fr}.card[data-astro-cid-yifuyi6y]{padding:var(--space-4)}}