.book-header[data-astro-cid-atfqj5a3]{padding:60px 0;background:var(--color-bg-secondary);border-bottom:1px solid #222}.book-layout[data-astro-cid-atfqj5a3]{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}.book-cover[data-astro-cid-atfqj5a3]{border-radius:8px;box-shadow:0 10px 40px #0006;width:100%}.book-info[data-astro-cid-atfqj5a3] h1[data-astro-cid-atfqj5a3]{font-size:2em;margin-bottom:8px;line-height:1.2}.book-info[data-astro-cid-atfqj5a3] .subtitle[data-astro-cid-atfqj5a3]{font-size:1.1em;color:var(--color-text-muted);margin-bottom:15px}.book-info[data-astro-cid-atfqj5a3] .meta[data-astro-cid-atfqj5a3]{display:flex;gap:20px;flex-wrap:wrap;margin:15px 0;font-size:.9em;color:var(--color-text-muted)}.book-info[data-astro-cid-atfqj5a3] .meta[data-astro-cid-atfqj5a3] span[data-astro-cid-atfqj5a3]{display:flex;align-items:center;gap:5px}.book-info[data-astro-cid-atfqj5a3] .price-box[data-astro-cid-atfqj5a3]{display:flex;align-items:center;gap:20px;margin:25px 0;padding:20px;background:var(--color-bg-tertiary);border-radius:10px;border:1px solid #333}.book-info[data-astro-cid-atfqj5a3] .price-box[data-astro-cid-atfqj5a3] .price[data-astro-cid-atfqj5a3]{font-size:2em;font-weight:700;color:var(--color-accent)}.buy-btn[data-astro-cid-atfqj5a3]{background:var(--gradient-accent);color:#000;padding:14px 32px;border-radius:8px;font-weight:700;font-size:1.05em;display:inline-block;transition:transform .2s;border:none;cursor:pointer}.buy-btn[data-astro-cid-atfqj5a3]:hover{transform:translateY(-2px);color:#000}.buy-btn-secondary[data-astro-cid-atfqj5a3]{background:transparent;color:var(--color-text);padding:14px 24px;border-radius:8px;font-weight:600;border:1px solid #444;display:inline-block;font-size:.95em}.buy-btn-secondary[data-astro-cid-atfqj5a3]:hover{border-color:var(--color-accent);color:var(--color-accent)}.book-content[data-astro-cid-atfqj5a3]{padding:60px 0}.book-content[data-astro-cid-atfqj5a3] .container[data-astro-cid-atfqj5a3]{display:grid;grid-template-columns:2fr 1fr;gap:40px}.book-body[data-astro-cid-atfqj5a3]{line-height:1.8}.book-body[data-astro-cid-atfqj5a3] h2[data-astro-cid-atfqj5a3]{font-size:1.5em;margin:30px 0 15px;color:var(--color-accent)}.book-body[data-astro-cid-atfqj5a3] h3[data-astro-cid-atfqj5a3]{font-size:1.2em;margin:20px 0 10px}.book-body[data-astro-cid-atfqj5a3] p[data-astro-cid-atfqj5a3]{margin-bottom:15px;color:var(--color-text-muted)}.book-body[data-astro-cid-atfqj5a3] ul[data-astro-cid-atfqj5a3],.book-body[data-astro-cid-atfqj5a3] ol[data-astro-cid-atfqj5a3]{margin:15px 0;padding-left:25px;color:var(--color-text-muted)}.book-body[data-astro-cid-atfqj5a3] li[data-astro-cid-atfqj5a3]{margin-bottom:8px}.book-body[data-astro-cid-atfqj5a3] blockquote[data-astro-cid-atfqj5a3]{border-left:3px solid var(--color-accent);padding-left:15px;color:var(--color-text-muted);font-style:italic;margin:20px 0}.sidebar[data-astro-cid-atfqj5a3]{position:sticky;top:80px}.sidebar-card[data-astro-cid-atfqj5a3]{background:var(--color-bg-secondary);border-radius:10px;padding:20px;border:1px solid #222;margin-bottom:20px}.sidebar-card[data-astro-cid-atfqj5a3] h4[data-astro-cid-atfqj5a3]{margin-bottom:12px;font-size:1em}.toc-list[data-astro-cid-atfqj5a3]{list-style:none;padding:0}.toc-list[data-astro-cid-atfqj5a3] li[data-astro-cid-atfqj5a3]{padding:6px 0;font-size:.9em;color:var(--color-text-muted);border-bottom:1px solid #1a1a24}.toc-list[data-astro-cid-atfqj5a3] li[data-astro-cid-atfqj5a3]:last-child{border:none}.book-preview[data-astro-cid-atfqj5a3]{position:relative;overflow:hidden;max-height:300px}.preview-fade[data-astro-cid-atfqj5a3]{position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(transparent,var(--color-bg));pointer-events:none}.book-cta-box[data-astro-cid-atfqj5a3]{background:linear-gradient(135deg,#1a1a2e,#16213e);border:1px solid var(--color-accent);border-radius:12px;padding:30px;text-align:center;margin-top:30px}.book-cta-box[data-astro-cid-atfqj5a3] h3[data-astro-cid-atfqj5a3]{color:var(--color-accent);margin-bottom:10px}.book-cta-box[data-astro-cid-atfqj5a3] p[data-astro-cid-atfqj5a3]{color:var(--color-text-muted);max-width:500px;margin:0 auto}.tags[data-astro-cid-atfqj5a3]{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.tag[data-astro-cid-atfqj5a3]{font-size:.75em;padding:3px 10px;border-radius:12px;background:var(--color-bg-tertiary);color:var(--color-text-muted);border:1px solid #333}@media (max-width: 768px){.book-layout[data-astro-cid-atfqj5a3]{grid-template-columns:200px 1fr;gap:20px}.book-content[data-astro-cid-atfqj5a3] .container[data-astro-cid-atfqj5a3]{grid-template-columns:1fr}.sidebar[data-astro-cid-atfqj5a3]{position:static}}@media (max-width: 500px){.book-layout[data-astro-cid-atfqj5a3]{grid-template-columns:1fr;text-align:center}.book-cover[data-astro-cid-atfqj5a3]{max-width:250px;margin:0 auto}.book-info[data-astro-cid-atfqj5a3] .meta[data-astro-cid-atfqj5a3]{justify-content:center}.book-info[data-astro-cid-atfqj5a3] .price-box[data-astro-cid-atfqj5a3]{flex-direction:column}}