.book-page{padding-top:64px}.book-header-section{position:relative;overflow:hidden;padding:5rem 0 4rem;background:color-mix(in srgb,var(--color-bg-card) 40%,var(--color-bg-primary));border-bottom:1px solid var(--color-bg-card-border)}.book-header-bg{position:absolute;inset:0;pointer-events:none}.book-header-sphere{position:absolute;border-radius:50%;filter:blur(80px);opacity:.7;animation:float-particle 12s ease-in-out infinite}.b-hs-1{width:380px;height:380px;top:-20%;left:-5%;background:radial-gradient(circle,color-mix(in srgb,var(--color-accent) 22%,transparent),transparent)}.b-hs-2{width:300px;height:300px;bottom:-30%;right:5%;background:radial-gradient(circle,color-mix(in srgb,var(--color-accent-secondary) 18%,transparent),transparent);animation-delay:-5s}.b-hs-3{width:200px;height:200px;top:30%;right:20%;background:radial-gradient(circle,color-mix(in srgb,var(--color-accent) 10%,transparent),transparent);animation-delay:-8s}.book-header{position:relative;z-index:1;max-width:820px}.book-meta{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;margin-bottom:1.25rem}.book-kicker{font-family:var(--font-mono);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--color-accent);padding:.35rem .8rem;border-radius:100px;background:color-mix(in srgb,var(--color-accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--color-accent) 25%,transparent)}.book-source{font-size:.8rem;color:var(--color-text-muted)}.book-title-page{font-family:var(--font-serif);font-size:clamp(2.1rem,5vw,3.2rem);font-weight:800;line-height:1.1;letter-spacing:-.02em;color:var(--color-text-primary);margin-bottom:.9rem;background:linear-gradient(135deg,var(--color-text-primary) 30%,var(--color-accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.book-original-title{font-size:.9rem;color:var(--color-text-muted);margin-bottom:.6rem;padding:.3rem .75rem;background:var(--color-bg-card);border:1px solid var(--color-bg-card-border);border-radius:100px;display:inline-block}.book-subtitle-page{font-size:1.15rem;line-height:1.6;color:var(--color-text-secondary);margin-bottom:.75rem;font-style:italic}.book-authors-page{font-size:1.05rem;color:var(--color-text-secondary);margin-bottom:1.5rem}.book-authors-page strong{color:var(--color-text-primary)}.book-stats-row{display:flex;gap:.75rem;flex-wrap:wrap}.book-stat{font-size:.85rem;color:var(--color-text-secondary);display:inline-flex;align-items:center;gap:.4rem;padding:.45rem .95rem;border-radius:100px;background:color-mix(in srgb,var(--color-bg-card) 90%,transparent);border:1px solid var(--color-bg-card-border);backdrop-filter:blur(8px);transition:all .3s cubic-bezier(.4,0,.2,1)}.book-stat:hover{border-color:color-mix(in srgb,var(--color-accent) 40%,transparent);transform:translateY(-1px)}.book-stat svg{color:var(--color-accent)}.book-content-section{padding:3rem 0 4rem}.book-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:2rem;align-items:start}.book-main{min-width:0}.book-cover-large{position:relative;max-width:220px;margin:0 0 1.25rem;aspect-ratio:2 / 3;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-card),0 0 0 1px #ffffff08,0 20px 60px #0000004d;border:1px solid var(--color-bg-card-border);background:var(--color-bg-secondary);transition:transform .4s cubic-bezier(.4,0,.2,1),box-shadow .4s}.book-cover-large:hover{transform:scale(1.02);box-shadow:var(--shadow-card),0 0 0 1px #ffffff08,0 30px 80px #0006,var(--shadow-glow)}.book-cover-large img{width:100%;height:100%;object-fit:cover;display:block}.cover-shine{position:absolute;inset:0;background:linear-gradient(135deg,transparent 45%,color-mix(in srgb,white 7%,transparent) 50%,transparent 60%);background-size:200% 200%;animation:gradient-shift 12s ease infinite;pointer-events:none}.book-description h2,.book-subjects h2{font-size:1.4rem;font-weight:800;color:var(--color-text-primary);margin-bottom:1rem;scroll-margin-top:90px}.book-description p{line-height:1.75;color:var(--color-text-secondary);margin-bottom:2rem}.book-subjects{margin-bottom:2rem}.book-desc-note{font-size:.82rem;color:var(--color-text-muted)}.book-editions{margin-bottom:2.5rem}.editions-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap;margin-bottom:1.25rem}.editions-head h2{font-size:1.4rem;font-weight:800;color:var(--color-text-primary);margin:0;scroll-margin-top:90px}.editions-count{font-size:.78rem;font-family:var(--font-mono);color:var(--color-text-muted);padding:.3rem .75rem;border-radius:100px;background:var(--color-bg-card);border:1px solid var(--color-bg-card-border)}.editions-list{display:flex;flex-direction:column;gap:.6rem}.edition-card{display:flex;gap:1rem;align-items:flex-start;padding:1rem 1.1rem;border-radius:14px;background:var(--color-bg-card);border:1px solid var(--color-bg-card-border);transition:all .3s cubic-bezier(.4,0,.2,1)}.edition-card:hover{border-color:color-mix(in srgb,var(--color-accent) 45%,transparent);transform:translateY(-2px);box-shadow:var(--shadow-glow);background:var(--color-bg-card-hover)}.edition-year{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;min-width:64px;padding:.4rem .6rem;border-radius:10px;background:color-mix(in srgb,var(--color-accent) 12%,transparent);border:1px solid color-mix(in srgb,var(--color-accent) 25%,transparent);color:var(--color-accent);font-family:var(--font-mono);font-size:.9rem;font-weight:700;text-align:center}.edition-body{min-width:0;flex:1;display:flex;flex-direction:column;gap:.35rem}.edition-top{display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}.edition-name{font-size:.95rem;font-weight:700;color:var(--color-text-primary)}.edition-format{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted);padding:.15rem .5rem;border-radius:100px;background:var(--color-bg-card-border)}.edition-meta{display:flex;flex-wrap:wrap;gap:.4rem 1rem;font-size:.8rem;color:var(--color-text-muted)}.edition-isbn{font-family:var(--font-mono);font-size:.75rem}.subject-chips{display:flex;flex-wrap:wrap;gap:.5rem}.subject-chip{font-size:.78rem;color:var(--color-text-secondary);padding:.3rem .75rem;border-radius:100px;background:var(--color-bg-card);border:1px solid var(--color-bg-card-border);text-decoration:none;transition:all .25s cubic-bezier(.4,0,.2,1)}.subject-chip:hover{color:var(--color-accent);border-color:var(--color-accent);transform:translateY(-2px);box-shadow:0 4px 12px color-mix(in srgb,var(--color-accent) 20%,transparent)}.book-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin:1.5rem 0 2.5rem}.ad-book-inline{margin-top:2.5rem}.ad-book-smartlink{margin:3rem 0}.book-sidebar{display:flex;flex-direction:column;gap:1rem;position:sticky;top:84px}.sidebar-card{padding:1.25rem}.sidebar-title{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-muted);margin-bottom:.85rem}.sidebar-text{font-size:.88rem;line-height:1.6;color:var(--color-text-secondary);margin:0 0 .75rem}.sidebar-link{font-size:.85rem;font-weight:600;color:var(--color-accent);text-decoration:none}.sidebar-link:hover{text-decoration:underline}.share-links{display:flex;gap:.5rem}.share-link{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:var(--color-bg-card);border:1px solid var(--color-bg-card-border);color:var(--color-text-secondary);text-decoration:none;font-size:1rem;transition:all .3s cubic-bezier(.4,0,.2,1)}.share-link:hover{color:var(--color-accent);border-color:var(--color-accent);transform:translateY(-2px);box-shadow:var(--shadow-glow)}.books-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:1.25rem}@media(max-width:640px){.books-grid{grid-template-columns:repeat(2,1fr);gap:.85rem}.books-grid .book-info{padding:.7rem .75rem .85rem}}@media(max-width:960px){.book-layout{grid-template-columns:1fr;gap:2rem}.book-cover-large{max-width:240px}.book-sidebar{position:static;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}}