.regex-library-toolbar[data-astro-cid-z4jhzxgh]{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-md)}.regex-library-search[data-astro-cid-z4jhzxgh] input[data-astro-cid-z4jhzxgh]{width:100%;padding:.6rem 1rem;font-size:.9rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);transition:border-color .15s ease}.regex-library-search[data-astro-cid-z4jhzxgh] input[data-astro-cid-z4jhzxgh]:focus{outline:2px solid var(--color-focus);outline-offset:2px;border-color:var(--color-primary)}.regex-library-search[data-astro-cid-z4jhzxgh] input[data-astro-cid-z4jhzxgh]::placeholder{color:var(--color-text-secondary)}.help-text[data-astro-cid-z4jhzxgh]{font-size:.75rem;color:var(--color-text-secondary);margin:.25rem 0 0}.regex-library-categories[data-astro-cid-z4jhzxgh]{display:flex;flex-wrap:wrap;gap:.4rem}.category-btn[data-astro-cid-z4jhzxgh]{padding:.35rem .75rem;font-size:.8rem;font-weight:600;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:transparent;color:var(--color-text-secondary);cursor:pointer;transition:all .15s ease}.category-btn[data-astro-cid-z4jhzxgh]:hover{border-color:var(--color-primary);color:var(--color-primary)}.category-btn[data-astro-cid-z4jhzxgh]:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.category-btn[data-astro-cid-z4jhzxgh].active,.category-btn[data-astro-cid-z4jhzxgh][aria-pressed=true]{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.patterns-count[data-astro-cid-z4jhzxgh]{font-size:.8rem;color:var(--color-text-secondary);margin-bottom:var(--space-sm)}.patterns-grid[data-astro-cid-z4jhzxgh]{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-md)}.sr-only[data-astro-cid-z4jhzxgh]{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:768px){.patterns-grid[data-astro-cid-z4jhzxgh]{grid-template-columns:1fr}}.pattern-card{border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);padding:var(--space-md);transition:border-color .15s ease,box-shadow .15s ease}.pattern-card:hover{border-color:var(--color-primary)}.pattern-card__header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);margin-bottom:var(--space-xs)}.pattern-card__name{font-size:.95rem;font-weight:700;color:var(--color-text);margin:0}.pattern-card__category{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;font-weight:600;color:var(--color-text-secondary);padding:2px 6px;border-radius:var(--radius-sm);background:var(--color-background)}.pattern-card__description{font-size:.82rem;color:var(--color-text-secondary);margin:0 0 var(--space-sm);line-height:1.4}.pattern-card__regex{display:flex;align-items:center;gap:var(--space-xs);background:var(--color-background);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:.4rem .6rem;margin-bottom:var(--space-sm)}.pattern-card__regex code{flex:1;font-size:.8rem;font-family:SF Mono,Fira Code,Cascadia Code,monospace;word-break:break-all;color:var(--color-text)}.pattern-card__copy-btn{flex-shrink:0;padding:.3rem .6rem;font-size:.75rem;font-weight:600;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:transparent;color:var(--color-text-secondary);cursor:pointer;transition:all .15s ease}.pattern-card__copy-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.pattern-card__copy-btn:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.pattern-card__toggle-btn{width:100%;padding:.3rem;font-size:.78rem;font-weight:600;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--color-primary);cursor:pointer;transition:background .15s ease}.pattern-card__toggle-btn:hover{background:var(--color-background)}.pattern-card__toggle-btn:focus-visible{outline:2px solid var(--color-focus);outline-offset:2px}.pattern-card__details{display:none;margin-top:var(--space-sm);padding-top:var(--space-sm);border-top:1px solid var(--color-border)}.pattern-card__details.open{display:block}.pattern-card__explanation{font-size:.82rem;line-height:1.5;color:var(--color-text);margin:0 0 var(--space-sm)}.pattern-card__examples{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm)}.pattern-card__example-group h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;margin:0 0 .3rem;color:var(--color-text-secondary)}.pattern-card__example-group ul{list-style:none;padding:0;margin:0}.pattern-card__example-group li{font-size:.78rem;font-family:SF Mono,Fira Code,Cascadia Code,monospace;padding:.15rem 0;color:var(--color-text);word-break:break-all}.pattern-card__example-group--valid li:before{content:"✓ ";color:var(--color-success-strong, #16a34a)}.pattern-card__example-group--invalid li:before{content:"✗ ";color:var(--color-error-strong, #dc2626)}@media(max-width:480px){.pattern-card__examples{grid-template-columns:1fr}}