.viewer-free-tier-banner[data-astro-cid-gx7fvugz]{align-items:center;gap:var(--space-3);background:var(--bg-primary);border:1px solid var(--border-subtle);border-left:4px solid var(--accent-primary);padding:var(--space-3) var(--space-4);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm);display:flex}.viewer-free-tier-banner[data-astro-cid-gx7fvugz] .banner-icon[data-astro-cid-gx7fvugz]{font-size:var(--text-base)}.viewer-free-tier-banner[data-astro-cid-gx7fvugz] .banner-text[data-astro-cid-gx7fvugz]{font-size:var(--text-xs);color:var(--text-secondary);line-height:var(--leading-relaxed)}.viewer-free-tier-banner[data-astro-cid-gx7fvugz] .banner-link[data-astro-cid-gx7fvugz]{color:var(--accent-primary);font-weight:var(--font-weight-semibold);transition:color var(--transition-fast);text-decoration:underline}.viewer-free-tier-banner[data-astro-cid-gx7fvugz] .banner-link[data-astro-cid-gx7fvugz]:hover{color:var(--accent-hover)}.viewer-page[data-astro-cid-gx7fvugz]{min-height:100vh}.viewer-main[data-astro-cid-gx7fvugz]{padding:var(--space-8) 0 var(--space-16)}.viewer-grid[data-astro-cid-gx7fvugz]{gap:var(--space-8);grid-template-columns:1fr;display:grid}@media (width>=1200px){.viewer-grid[data-astro-cid-gx7fvugz]{grid-template-columns:1fr 280px}}.viewer-column[data-astro-cid-gx7fvugz]{min-width:0}.note-header[data-astro-cid-gx7fvugz]{padding:var(--space-6);max-width:100%;overflow:hidden}.note-header-meta[data-astro-cid-gx7fvugz]{gap:var(--space-2);flex-wrap:wrap;display:flex}.note-title[data-astro-cid-gx7fvugz]{margin-bottom:var(--space-2);line-height:var(--leading-tight);overflow-wrap:break-word;word-break:break-word;max-width:100%}.note-description[data-astro-cid-gx7fvugz]{color:var(--text-secondary);line-height:var(--leading-relaxed)}.pdf-viewer-toolbar[data-astro-cid-gx7fvugz]{padding:var(--space-3) var(--space-4);flex-wrap:wrap}.page-indicator[data-astro-cid-gx7fvugz]{text-align:center;min-width:100px}.pdf-canvas-wrapper[data-astro-cid-gx7fvugz]{min-height:600px;position:relative}.pdf-page-container[data-astro-cid-gx7fvugz]{width:100%}.pdf-viewer-canvas[data-astro-cid-gx7fvugz]{border-radius:var(--radius-sm);background:var(--bg-primary);display:block}.sidebar[data-astro-cid-gx7fvugz]{display:none}@media (width>=1024px){.sidebar[data-astro-cid-gx7fvugz]{display:block}}.sidebar-card[data-astro-cid-gx7fvugz]{position:sticky;top:100px}.sidebar-title[data-astro-cid-gx7fvugz]{font-size:var(--text-lg);color:var(--text-primary)}.sidebar-card[data-astro-cid-gx7fvugz] dl[data-astro-cid-gx7fvugz]{gap:var(--space-2) var(--space-4);grid-template-columns:auto 1fr;display:grid}.sidebar-card[data-astro-cid-gx7fvugz] dt[data-astro-cid-gx7fvugz]{color:var(--text-muted);font-size:var(--text-sm)}.sidebar-card[data-astro-cid-gx7fvugz] dd[data-astro-cid-gx7fvugz]{color:var(--text-primary);font-size:var(--text-sm)}.sidebar-card[data-astro-cid-gx7fvugz] ul[data-astro-cid-gx7fvugz] li[data-astro-cid-gx7fvugz]{align-items:flex-start;gap:var(--space-2);display:flex}:-webkit-any(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen,.pdf-viewer-container[data-astro-cid-gx7fvugz]:-webkit-full-screen){background:var(--bg-tertiary)!important;border:none!important;border-radius:0!important;flex-direction:column!important;width:100vw!important;height:100vh!important;display:flex!important}:is(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen,.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen){background:var(--bg-tertiary)!important;border:none!important;border-radius:0!important;flex-direction:column!important;width:100vw!important;height:100vh!important;display:flex!important}:-webkit-any(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen .pdf-viewer-toolbar[data-astro-cid-gx7fvugz],.pdf-viewer-container[data-astro-cid-gx7fvugz]:-webkit-full-screen .pdf-viewer-toolbar[data-astro-cid-gx7fvugz]){z-index:20;flex-shrink:0;background:var(--bg-tertiary)!important}:is(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen .pdf-viewer-toolbar[data-astro-cid-gx7fvugz],.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen .pdf-viewer-toolbar[data-astro-cid-gx7fvugz]){z-index:20;flex-shrink:0;background:var(--bg-tertiary)!important}:-webkit-any(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen .pdf-canvas-wrapper[data-astro-cid-gx7fvugz],.pdf-viewer-container[data-astro-cid-gx7fvugz]:-webkit-full-screen .pdf-canvas-wrapper[data-astro-cid-gx7fvugz]){flex:1!important;height:calc(100vh - 44px)!important;max-height:calc(100vh - 44px)!important}:is(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen .pdf-canvas-wrapper[data-astro-cid-gx7fvugz],.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen .pdf-canvas-wrapper[data-astro-cid-gx7fvugz]){flex:1!important;height:calc(100vh - 44px)!important;max-height:calc(100vh - 44px)!important}:-webkit-any(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen iframe[data-astro-cid-gx7fvugz],.pdf-viewer-container[data-astro-cid-gx7fvugz]:-webkit-full-screen iframe[data-astro-cid-gx7fvugz]){height:100%!important}:is(.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen iframe[data-astro-cid-gx7fvugz],.pdf-viewer-container[data-astro-cid-gx7fvugz]:fullscreen iframe[data-astro-cid-gx7fvugz]){height:100%!important}.note-header[data-astro-cid-gx7fvugz]{padding:var(--space-5) var(--space-6);margin-bottom:var(--space-4)}.note-title[data-astro-cid-gx7fvugz]{font-size:1.75rem;font-weight:var(--font-weight-bold);color:var(--text-primary);margin-top:4px;margin-bottom:6px;line-height:1.3}@media (width<=639px){.breadcrumbs[data-astro-cid-gx7fvugz]{white-space:nowrap!important;text-overflow:ellipsis!important;padding-top:4px!important;padding-bottom:4px!important;font-size:11px!important;overflow:hidden!important}.note-header[data-astro-cid-gx7fvugz]{border-radius:var(--radius-md)!important;margin-bottom:8px!important;padding:10px 12px!important}.note-header-meta[data-astro-cid-gx7fvugz]{gap:4px!important;margin-bottom:6px!important}.note-header-meta[data-astro-cid-gx7fvugz] .badge[data-astro-cid-gx7fvugz]{border-radius:4px!important;height:18px!important;padding:1px 6px!important;font-size:10px!important;line-height:16px!important}.note-title[data-astro-cid-gx7fvugz]{margin-bottom:2px!important;font-size:1.35rem!important;font-weight:700!important;line-height:1.3!important}.note-description[data-astro-cid-gx7fvugz]{display:none!important}#viewer-free-tier-banner[data-astro-cid-gx7fvugz]{margin-top:6px!important;padding:6px 10px!important;font-size:11px!important}#pdf-iframe[data-astro-cid-gx7fvugz]{height:68vh!important;min-height:440px!important}}.chapter-nav[data-astro-cid-gx7fvugz]{max-width:100%;overflow:hidden}.chapter-nav-mobile[data-astro-cid-gx7fvugz]{display:flex!important}.chapter-nav-desktop[data-astro-cid-gx7fvugz]{display:none!important}@media (width>=640px){.viewer-zoom-controls[data-astro-cid-gx7fvugz],.chapter-nav-mobile[data-astro-cid-gx7fvugz]{display:none!important}.chapter-nav-desktop[data-astro-cid-gx7fvugz]{display:flex!important}}.chapter-nav[data-astro-cid-gx7fvugz] a[data-astro-cid-gx7fvugz]{white-space:nowrap;text-overflow:ellipsis;max-width:100%;overflow:hidden}.chapter-nav[data-astro-cid-gx7fvugz] svg[data-astro-cid-gx7fvugz]{flex-shrink:0!important;width:18px!important;min-width:18px!important;max-width:18px!important;height:18px!important;min-height:18px!important;max-height:18px!important}#prev-chapter-title[data-astro-cid-gx7fvugz],#next-chapter-title[data-astro-cid-gx7fvugz],#prev-chapter-title-mobile[data-astro-cid-gx7fvugz],#next-chapter-title-mobile[data-astro-cid-gx7fvugz]{max-width:100%;display:inline-block;white-space:nowrap!important;text-overflow:ellipsis!important;overflow:hidden!important}.related-notes[data-astro-cid-gx7fvugz] h2[data-astro-cid-gx7fvugz]{font-family:var(--font-heading);color:var(--text-primary);margin-bottom:.85rem;padding-left:.25rem;font-size:1.35rem;font-weight:600}.related-card-title[data-astro-cid-gx7fvugz]{font-family:var(--font-heading);color:var(--text-primary)!important;margin-bottom:.75rem!important;font-size:1.05rem!important;font-weight:600!important;line-height:1.35!important}.related-note-card[data-astro-cid-gx7fvugz] .badge[data-astro-cid-gx7fvugz]{font-family:var(--font-sans);font-size:11px!important;font-weight:500!important}.related-note-card[data-astro-cid-gx7fvugz] svg[data-astro-cid-gx7fvugz]{flex-shrink:0!important;width:14px!important;min-width:14px!important;max-width:14px!important;height:14px!important;min-height:14px!important;max-height:14px!important}.input-sm[data-astro-cid-gx7fvugz]{padding:var(--space-2) var(--space-3);font-size:var(--text-sm)}.btn-sm[data-astro-cid-gx7fvugz]{padding:var(--space-2) var(--space-4);font-size:var(--text-sm)}.related-grid[data-astro-cid-gx7fvugz]{gap:var(--space-4);grid-template-columns:1fr;display:grid}@media (width>=640px){.related-grid[data-astro-cid-gx7fvugz]{grid-template-columns:repeat(2,1fr)}}@media (width>=1024px){.related-grid[data-astro-cid-gx7fvugz]{grid-template-columns:repeat(3,1fr)}}@media (width<=639px){.related-notes[data-astro-cid-gx7fvugz]{margin-top:1.25rem!important}.related-notes[data-astro-cid-gx7fvugz] h2[data-astro-cid-gx7fvugz]{margin-bottom:.6rem!important;padding-left:.25rem!important;font-size:1.15rem!important}.related-card-title[data-astro-cid-gx7fvugz]{font-size:.975rem!important;font-weight:600!important;line-height:1.35!important}.related-grid[data-astro-cid-gx7fvugz]{gap:.5rem!important}.chapter-nav[data-astro-cid-gx7fvugz] svg[data-astro-cid-gx7fvugz]{width:16px!important;min-width:16px!important;max-width:16px!important;height:16px!important;min-height:16px!important;max-height:16px!important}}@keyframes slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-slide-up[data-astro-cid-gx7fvugz]{animation:.3s ease-out slide-up}@media print{.site-header[data-astro-cid-gx7fvugz],.site-footer[data-astro-cid-gx7fvugz],.pdf-viewer-toolbar[data-astro-cid-gx7fvugz],.sidebar[data-astro-cid-gx7fvugz],.chapter-nav[data-astro-cid-gx7fvugz],.adsense-slot[data-astro-cid-gx7fvugz],.related-notes[data-astro-cid-gx7fvugz],.note-header[data-astro-cid-gx7fvugz] .badge[data-astro-cid-gx7fvugz]{display:none!important}.viewer-grid[data-astro-cid-gx7fvugz]{grid-template-columns:1fr}.pdf-canvas-wrapper[data-astro-cid-gx7fvugz]{min-height:auto}.pdf-viewer-canvas[data-astro-cid-gx7fvugz]{box-shadow:none;page-break-inside:avoid}}