.page-header[data-astro-cid-egbt6fiv]{margin-bottom:var(--space-6)}.page-header[data-astro-cid-egbt6fiv] h1[data-astro-cid-egbt6fiv]{font-size:var(--text-4xl);margin-bottom:var(--space-3)}.page-header[data-astro-cid-egbt6fiv] p[data-astro-cid-egbt6fiv]{font-size:var(--text-lg);color:var(--color-text-muted)}.tip-banner[data-astro-cid-egbt6fiv]{background:var(--color-surface-raised, var(--color-surface));border:1px solid var(--color-border);border-left:4px solid var(--color-primary, #3b82f6);border-radius:var(--radius-md);padding:var(--space-4) var(--space-5);margin-bottom:var(--space-8);font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.6}.example-demo[data-astro-cid-egbt6fiv]{padding:var(--space-6);margin-bottom:var(--space-8)}.example-demo[data-astro-cid-egbt6fiv] h2[data-astro-cid-egbt6fiv]{font-size:var(--text-xl);margin-bottom:var(--space-4)}.example-content[data-astro-cid-egbt6fiv]{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-4)}@media(max-width:768px){.example-content[data-astro-cid-egbt6fiv]{grid-template-columns:1fr}}.code-block[data-astro-cid-egbt6fiv]{background:var(--color-bg-code, #1e1e2e);border-radius:var(--radius-md);overflow:hidden}.code-label[data-astro-cid-egbt6fiv]{padding:var(--space-2) var(--space-4);font-size:var(--text-xs);color:var(--color-text-muted);background:#ffffff0d;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.code-block[data-astro-cid-egbt6fiv] pre[data-astro-cid-egbt6fiv]{margin:0;padding:var(--space-4);font-size:var(--text-sm);line-height:1.6;color:var(--color-code-text, #cdd6f4);overflow-x:auto}.explanation-block[data-astro-cid-egbt6fiv]{display:flex;flex-direction:column;gap:var(--space-3)}.explanation-label[data-astro-cid-egbt6fiv]{font-size:var(--text-xs);font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-success, #22c55e)}.explanation-block[data-astro-cid-egbt6fiv] p[data-astro-cid-egbt6fiv]{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.7;margin:0}.level-filter[data-astro-cid-egbt6fiv]{display:flex;flex-wrap:wrap;gap:var(--space-2);margin-bottom:var(--space-6);align-items:center}.filter-pill[data-astro-cid-egbt6fiv]{padding:var(--space-2) var(--space-4);border-radius:var(--radius-full);border:1px solid var(--color-border);background:var(--color-surface);cursor:pointer;font-size:var(--text-sm);color:var(--color-text-muted);transition:all .15s}.filter-pill[data-astro-cid-egbt6fiv].active,.filter-pill[data-astro-cid-egbt6fiv]:hover{border-color:var(--color-primary, #3b82f6);color:var(--color-primary, #3b82f6);background:var(--color-primary-50, #eff6ff)}.sets-grid[data-astro-cid-egbt6fiv]{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-4);list-style:none;padding:0;margin:0 0 var(--space-16)}.sets-grid[data-astro-cid-egbt6fiv] li[data-astro-cid-egbt6fiv][hidden]{display:none}.set-card[data-astro-cid-egbt6fiv]{display:flex;flex-direction:column;gap:var(--space-3);padding:var(--space-5);text-decoration:none;color:inherit;height:100%;transition:box-shadow .15s,transform .15s}.set-card[data-astro-cid-egbt6fiv]:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.set-card-top[data-astro-cid-egbt6fiv]{display:flex;justify-content:space-between;align-items:center}.set-icon[data-astro-cid-egbt6fiv]{font-size:1.75rem}.set-title[data-astro-cid-egbt6fiv]{font-size:var(--text-lg);font-weight:600;margin:0}.set-desc[data-astro-cid-egbt6fiv]{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.6;flex:1}.set-footer[data-astro-cid-egbt6fiv]{display:flex;justify-content:space-between;align-items:center;margin-top:auto}.set-count[data-astro-cid-egbt6fiv]{font-size:var(--text-sm);color:var(--color-text-muted)}.set-arrow[data-astro-cid-egbt6fiv]{color:var(--color-primary, #3b82f6);font-size:var(--text-lg)}.useful-language[data-astro-cid-egbt6fiv] h2[data-astro-cid-egbt6fiv]{font-size:var(--text-2xl);margin-bottom:var(--space-6)}.lang-grid[data-astro-cid-egbt6fiv]{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:var(--space-4)}.lang-card[data-astro-cid-egbt6fiv]{padding:var(--space-5)}.lang-card[data-astro-cid-egbt6fiv] h3[data-astro-cid-egbt6fiv]{font-size:var(--text-base);font-weight:600;margin-bottom:var(--space-4)}.lang-card[data-astro-cid-egbt6fiv] ul[data-astro-cid-egbt6fiv]{padding-left:0;list-style:none;display:flex;flex-direction:column;gap:var(--space-2);margin:0}.lang-card[data-astro-cid-egbt6fiv] li[data-astro-cid-egbt6fiv]{font-size:var(--text-sm);color:var(--color-text-muted);line-height:1.5}.lang-card[data-astro-cid-egbt6fiv] strong[data-astro-cid-egbt6fiv]{color:var(--color-primary, #3b82f6)}