.textbooks-hero[data-astro-cid-7c4t356g]{padding:52px 0 18px}.textbooks-hero-panel[data-astro-cid-7c4t356g],.textbook-card[data-astro-cid-7c4t356g],.year-group[data-astro-cid-7c4t356g]{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.textbooks-hero-panel[data-astro-cid-7c4t356g]{grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:28px;padding:clamp(28px,5vw,54px);display:grid;position:relative;overflow:hidden}.textbooks-hero-panel[data-astro-cid-7c4t356g]:after{content:"";background:radial-gradient(circle,#1d4f9124,#1d4f9100);border-radius:999px;width:300px;height:300px;position:absolute;top:-110px;right:-90px}.textbooks-hero-panel[data-astro-cid-7c4t356g]>[data-astro-cid-7c4t356g]{z-index:1;position:relative}.textbooks-hero-panel[data-astro-cid-7c4t356g] h1[data-astro-cid-7c4t356g]{letter-spacing:-.04em;max-width:900px;margin:0 0 18px;font-size:clamp(2rem,4.2vw,4.1rem);line-height:1.03}.textbooks-stats[data-astro-cid-7c4t356g]{border:1px solid var(--line);text-align:center;background:linear-gradient(135deg,#1d4f911a,#b8872f29);border-radius:28px;place-items:center;min-width:158px;min-height:158px;display:grid}.textbooks-stats[data-astro-cid-7c4t356g] strong[data-astro-cid-7c4t356g]{color:var(--accent-dark);font-size:3rem;line-height:1;display:block}.textbooks-stats[data-astro-cid-7c4t356g] span[data-astro-cid-7c4t356g],.textbooks-stats[data-astro-cid-7c4t356g] small[data-astro-cid-7c4t356g]{color:var(--muted);font-weight:850}.section-heading[data-astro-cid-7c4t356g]{justify-content:space-between;align-items:flex-end;gap:28px;margin-bottom:22px;display:flex}.section-heading[data-astro-cid-7c4t356g] h2[data-astro-cid-7c4t356g]{letter-spacing:-.025em;margin:0;font-size:clamp(1.55rem,2.6vw,2.35rem);line-height:1.1}.section-heading[data-astro-cid-7c4t356g] p[data-astro-cid-7c4t356g]:last-child{max-width:620px;color:var(--muted);margin:0;line-height:1.65}.textbooks-toolbar[data-astro-cid-7c4t356g]{border:1px solid var(--line);background:var(--surface-soft);border-radius:18px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;padding:14px 16px;display:flex}.textbooks-toolbar[data-astro-cid-7c4t356g] a[data-astro-cid-7c4t356g],.textbooks-toolbar[data-astro-cid-7c4t356g] span[data-astro-cid-7c4t356g]{font-weight:850}.textbooks-toolbar[data-astro-cid-7c4t356g] span[data-astro-cid-7c4t356g]{color:var(--muted)}.year-groups[data-astro-cid-7c4t356g]{gap:18px;display:grid}.year-group[data-astro-cid-7c4t356g]{padding:clamp(18px,3vw,28px)}.year-header[data-astro-cid-7c4t356g]{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;padding-bottom:12px;display:flex}.year-header[data-astro-cid-7c4t356g] h3[data-astro-cid-7c4t356g]{color:var(--accent-dark);margin:0;font-size:1.5rem}.year-header[data-astro-cid-7c4t356g] span[data-astro-cid-7c4t356g]{color:var(--muted);font-weight:850}.textbook-grid[data-astro-cid-7c4t356g]{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.textbook-card[data-astro-cid-7c4t356g]{min-height:260px;box-shadow:none;background:var(--surface-soft);flex-direction:column;padding:18px;display:flex}.textbook-card-topline[data-astro-cid-7c4t356g]{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.textbook-card-topline[data-astro-cid-7c4t356g] span[data-astro-cid-7c4t356g],.textbook-card-topline[data-astro-cid-7c4t356g] strong[data-astro-cid-7c4t356g],.loc-badge[data-astro-cid-7c4t356g]{border-radius:999px;width:fit-content;padding:6px 10px;font-size:.78rem;font-weight:850;line-height:1.2;display:inline-flex}.textbook-card-topline[data-astro-cid-7c4t356g] span[data-astro-cid-7c4t356g]{background:var(--surface);color:var(--accent-dark)}.textbook-card-topline[data-astro-cid-7c4t356g] strong[data-astro-cid-7c4t356g],.loc-badge[data-astro-cid-7c4t356g]{background:var(--accent-soft);color:var(--accent-dark)}.textbook-card[data-astro-cid-7c4t356g] h4[data-astro-cid-7c4t356g]{color:var(--text);margin:0 0 10px;font-size:1.05rem;line-height:1.3}.textbook-card[data-astro-cid-7c4t356g] .authors[data-astro-cid-7c4t356g]{color:var(--accent-dark);margin:0 0 10px;font-weight:850;line-height:1.45}.textbook-card[data-astro-cid-7c4t356g] .details[data-astro-cid-7c4t356g]{color:var(--muted);margin:0 0 14px;line-height:1.5}.loc-badge[data-astro-cid-7c4t356g]{margin:auto 0 12px}.textbook-card[data-astro-cid-7c4t356g] .card-link[data-astro-cid-7c4t356g]{margin-top:auto}@media (width<=1180px){.textbook-grid[data-astro-cid-7c4t356g]{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=900px){.textbooks-hero-panel[data-astro-cid-7c4t356g],.section-heading[data-astro-cid-7c4t356g],.year-header[data-astro-cid-7c4t356g]{display:block}.textbooks-stats[data-astro-cid-7c4t356g]{width:158px;margin-top:22px}.section-heading[data-astro-cid-7c4t356g] p[data-astro-cid-7c4t356g]:last-child,.year-header[data-astro-cid-7c4t356g] span[data-astro-cid-7c4t356g]{margin-top:12px;display:block}.textbook-grid[data-astro-cid-7c4t356g]{grid-template-columns:1fr}}