.breadcrumbs[data-astro-cid-tousmopl]{padding:var(--space-m) 0;font-size:.875rem;color:var(--color-text-tertiary);background:var(--color-surface);border-bottom:1px solid var(--color-card-border)}.breadcrumbs[data-astro-cid-tousmopl] a[data-astro-cid-tousmopl]{color:var(--color-text-tertiary)}.breadcrumbs[data-astro-cid-tousmopl] a[data-astro-cid-tousmopl]:hover{color:var(--color-primary)}.breadcrumbs__sep[data-astro-cid-tousmopl]{margin:0 var(--space-xs)}.book-hero[data-astro-cid-tousmopl]{background:var(--gradient-hero);padding:var(--space-xl) 0;border-bottom:1px solid var(--color-card-border)}.book-hero__inner[data-astro-cid-tousmopl]{display:grid;grid-template-columns:240px 1fr;gap:var(--space-xl);align-items:start;margin-bottom:var(--space-xl)}.book-hero__cover[data-astro-cid-tousmopl] img[data-astro-cid-tousmopl]{width:240px;height:auto;border-radius:var(--radius-md);box-shadow:var(--shadow-lg)}.book-hero[data-astro-cid-tousmopl] h1[data-astro-cid-tousmopl]{font-size:2rem;line-height:1.15}.book-hero__author[data-astro-cid-tousmopl]{font-size:1.125rem;color:var(--color-text-secondary);font-weight:500}.book-hero__tags[data-astro-cid-tousmopl]{display:flex;flex-wrap:wrap;gap:var(--space-xs)}.tag[data-astro-cid-tousmopl]{display:inline-block;font-size:.8125rem;font-weight:500;padding:4px 10px;border-radius:var(--radius-pill);background:var(--color-surface);border:1px solid var(--color-card-border);color:var(--color-text-secondary)}.tag--level[data-astro-cid-tousmopl]{background:var(--color-primary);color:var(--color-on-primary);border-color:var(--color-primary);font-weight:700}.tag--mode[data-astro-cid-tousmopl]{background:var(--color-primary-tint);color:var(--color-primary);border-color:#007aff33;font-weight:600}.book-hero__desc[data-astro-cid-tousmopl]{font-size:1rem;line-height:1.6;color:var(--color-text-secondary)}.facts-strip[data-astro-cid-tousmopl]{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-m);background:var(--color-surface);border:1px solid var(--color-card-border);border-radius:var(--radius-md);padding:var(--space-l) var(--space-xl)}.fact[data-astro-cid-tousmopl]{display:flex;flex-direction:column;gap:var(--space-xs);min-width:0}.fact[data-astro-cid-tousmopl]+.fact[data-astro-cid-tousmopl]{border-left:1px solid var(--color-card-border);padding-left:var(--space-xl)}.fact__label[data-astro-cid-tousmopl]{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-tertiary)}.fact__value[data-astro-cid-tousmopl]{font-size:.9375rem;font-weight:500;color:var(--color-text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-body[data-astro-cid-tousmopl]{display:grid;grid-template-columns:1fr 320px;gap:var(--space-xl);align-items:start}.book-body[data-astro-cid-tousmopl]:not(:has(.book-body__sidebar)){grid-template-columns:minmax(0,720px);justify-content:center}.book-body__main[data-astro-cid-tousmopl] h2[data-astro-cid-tousmopl]{font-size:1.5rem}.benefits-list[data-astro-cid-tousmopl]{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:var(--space-l)}.benefits-list[data-astro-cid-tousmopl] li[data-astro-cid-tousmopl]{position:relative;padding-left:var(--space-l);line-height:1.6;color:var(--color-text-secondary)}.benefits-list[data-astro-cid-tousmopl] li[data-astro-cid-tousmopl]:before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--color-primary)}.benefits-list[data-astro-cid-tousmopl] strong[data-astro-cid-tousmopl]{display:block;color:var(--color-text);font-weight:600;font-size:1.0625rem;margin-bottom:var(--space-xs)}.callout[data-astro-cid-tousmopl]{background:var(--color-primary-tint);border:1px solid rgba(0,122,255,.18);border-left:3px solid var(--color-primary);border-radius:var(--radius-md);padding:var(--space-m) var(--space-l)}.callout__title[data-astro-cid-tousmopl]{font-size:1rem;font-weight:600;color:var(--color-text);margin-bottom:var(--space-xs)}.callout__text[data-astro-cid-tousmopl]{font-size:.9375rem;line-height:1.55;color:var(--color-text-secondary);margin-bottom:var(--space-s)}.callout__link[data-astro-cid-tousmopl]{display:inline-block;font-size:.9375rem;font-weight:600;color:var(--color-primary)}.book-body__sidebar[data-astro-cid-tousmopl]{display:flex;flex-direction:column;gap:var(--space-m);position:sticky;top:calc(var(--header-height) + var(--space-m))}.side-card[data-astro-cid-tousmopl]{background:var(--color-surface);border:1px solid var(--color-card-border);border-radius:var(--radius-md);padding:var(--space-l)}.side-card--cta[data-astro-cid-tousmopl]{background:linear-gradient(135deg,#ebf4ff,#fff5f0);border-color:#007aff33}.side-card__eyebrow[data-astro-cid-tousmopl]{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--color-primary);background:var(--color-surface);padding:4px 10px;border-radius:var(--radius-pill);margin-bottom:var(--space-s)}.side-card__title[data-astro-cid-tousmopl]{font-size:1.125rem;font-weight:700;color:var(--color-text);margin-bottom:var(--space-m)}.side-card__title--sm[data-astro-cid-tousmopl]{font-size:.9375rem;margin-bottom:var(--space-s)}.side-card__buttons[data-astro-cid-tousmopl]{display:flex;flex-direction:column;gap:var(--space-s)}.side-card__buttons[data-astro-cid-tousmopl] .store-btn[data-astro-cid-tousmopl]{display:block}.side-card__buttons[data-astro-cid-tousmopl] .store-btn[data-astro-cid-tousmopl] img[data-astro-cid-tousmopl]{height:38px;width:auto}.side-card__buttons[data-astro-cid-tousmopl] .store-btn--google[data-astro-cid-tousmopl] img[data-astro-cid-tousmopl]{height:56px;margin:-9px 0}.author-list[data-astro-cid-tousmopl]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-s)}.author-list[data-astro-cid-tousmopl] a[data-astro-cid-tousmopl]{display:grid;grid-template-columns:40px 1fr;gap:var(--space-sm);align-items:center;color:inherit;text-decoration:none;padding:var(--space-xs);border-radius:var(--radius-sm);transition:background var(--duration-fast) var(--ease-out)}.author-list[data-astro-cid-tousmopl] a[data-astro-cid-tousmopl]:hover{background:var(--color-surface-alt);color:inherit}.author-list[data-astro-cid-tousmopl] img[data-astro-cid-tousmopl]{width:40px;height:60px;object-fit:cover;border-radius:var(--radius-xs)}.author-list__meta[data-astro-cid-tousmopl]{display:flex;flex-direction:column;gap:2px;min-width:0}.author-list__title[data-astro-cid-tousmopl]{font-size:.875rem;font-weight:500;color:var(--color-text);line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.author-list__level[data-astro-cid-tousmopl]{font-size:.6875rem;font-weight:700;color:var(--color-primary)}.cta-final[data-astro-cid-tousmopl]{padding:var(--space-l) 0 var(--space-3xl)}.cta-final__card[data-astro-cid-tousmopl]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-l);background:var(--gradient-hero);border:1px solid var(--color-card-border);border-radius:var(--radius-lg);padding:var(--space-l) var(--space-xl)}.cta-final__title[data-astro-cid-tousmopl]{font-size:1.125rem;font-weight:700;color:var(--color-text)}.cta-final__subtitle[data-astro-cid-tousmopl]{font-size:.9375rem;color:var(--color-text-secondary);margin-top:var(--space-xs)}.related-grid[data-astro-cid-tousmopl]{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:var(--space-l)}.related-book[data-astro-cid-tousmopl]{text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:transform var(--duration-fast) var(--ease-out)}.related-book[data-astro-cid-tousmopl]:hover{transform:translateY(-4px);color:inherit}.related-book__cover[data-astro-cid-tousmopl]{width:100%;aspect-ratio:2 / 3;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--color-card-border);background:var(--color-surface-alt);margin-bottom:var(--space-s)}.related-book__info[data-astro-cid-tousmopl]{display:flex;flex-direction:column;gap:2px}.related-book__level[data-astro-cid-tousmopl]{display:inline-block;width:fit-content;background:var(--color-primary);color:var(--color-on-primary);font-size:.6875rem;font-weight:700;padding:2px 8px;border-radius:var(--radius-pill);margin-bottom:var(--space-xs)}.related-book__title[data-astro-cid-tousmopl]{font-size:.875rem;font-weight:600;color:var(--color-text);line-height:1.3}.related-book__author[data-astro-cid-tousmopl]{font-size:.75rem;color:var(--color-text-tertiary)}@media(max-width:960px){.book-body[data-astro-cid-tousmopl]{grid-template-columns:1fr}.book-body__sidebar[data-astro-cid-tousmopl]{position:static;flex-direction:row;flex-wrap:wrap}.side-card[data-astro-cid-tousmopl]{flex:1 1 280px}}@media(max-width:768px){.book-hero[data-astro-cid-tousmopl]{padding:var(--space-l) 0}.book-hero__inner[data-astro-cid-tousmopl]{grid-template-columns:1fr;gap:var(--space-m);margin-bottom:var(--space-m);text-align:center}.book-hero__cover[data-astro-cid-tousmopl] img[data-astro-cid-tousmopl]{width:160px;margin:0 auto}.book-hero[data-astro-cid-tousmopl] h1[data-astro-cid-tousmopl]{font-size:1.5rem}.book-hero__author[data-astro-cid-tousmopl]{font-size:1rem}.book-hero__tags[data-astro-cid-tousmopl],.book-hero[data-astro-cid-tousmopl] .store-buttons[data-astro-cid-tousmopl]{justify-content:center}.facts-strip[data-astro-cid-tousmopl]{grid-template-columns:1fr 1fr;gap:var(--space-s) var(--space-m);padding:var(--space-m)}.fact[data-astro-cid-tousmopl]+.fact[data-astro-cid-tousmopl]{border-left:none;padding-left:0}.fact[data-astro-cid-tousmopl]:nth-child(odd)+.fact[data-astro-cid-tousmopl]{border-left:1px solid var(--color-card-border);padding-left:var(--space-m)}.related-grid[data-astro-cid-tousmopl]{grid-template-columns:repeat(2,1fr);gap:var(--space-m)}.cta-final__card[data-astro-cid-tousmopl]{flex-direction:column;align-items:stretch;text-align:center;padding:var(--space-l)}.cta-final__card[data-astro-cid-tousmopl] .store-buttons[data-astro-cid-tousmopl]{justify-content:center}}