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.domain-icon.backend{color:#79541b;background:#fff1d8;border-color:#d8c197}[data-theme=light] .challenge-card:before{background:#85649c}[data-theme=light] .principle-note{background:#edf2e0;border-color:#cbd6b4}@keyframes category-arrive{0%{opacity:.5;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes ink-settle{0%{transform:scaleX(.3)}to{transform:scaleX(1)}}@media (prefers-reduced-motion:no-preference){.category-card{animation:category-arrive .35s var(--ease) both;transition:border-color .18s ease, box-shadow .18s ease, translate .18s var(--ease)}.category-card:nth-child(4n+2){animation-delay:30ms}.category-card:nth-child(4n+3){animation-delay:60ms}.category-card:nth-child(4n+4){animation-delay:90ms}.category-symbol,.category-card>svg{transition:transform .18s var(--ease)}.landing-hero .accent-line{transform-origin:0;animation:ink-settle .6s var(--ease) both}}@media (prefers-reduced-motion:no-preference) and (hover:hover) and (pointer:fine){.category-card:hover{border-color:var(--category-ink);box-shadow:var(--shadow);translate:0 -3px}.category-card:hover .category-symbol{transform:rotate(-5deg)}.category-card:hover>svg{transform:translate(3px)}}@media (width<=1180px){.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width<=580px){.category-gallery{margin-bottom:30px;padding-bottom:25px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.category-card{grid-template-columns:minmax(0,1fr);align-content:start;gap:9px;min-height:126px;padding:13px 10px}.category-symbol{border-radius:6px;width:29px;height:30px;font-size:12px}.category-copy strong{font-size:12px}.category-card>svg{display:none}.library-search>div{flex-direction:column}.library-search button{width:100%}.filter-controls{justify-content:stretch}.library-meta .text-link{margin-left:0}}