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var(--border);background:var(--glass);color:var(--text2)}.category-btn:hover{background:var(--glass-hover);border-color:var(--border2);color:var(--text)}.category-btn.active{background:var(--gradient);border-color:transparent;color:#000;font-weight:800;box-shadow:0 4px 18px rgba(0,229,255,.3)}.cards-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));grid-auto-rows:1fr}@media (min-width:1024px){.cards-grid.pc-three{grid-template-columns:repeat(3,1fr)}}.library-grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(1,minmax(0,1fr));align-items:stretch}@media (min-width:480px){.library-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}}@media (min-width:641px) and (max-width:1024px){.library-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}}@media (min-width:1025px){.library-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}}@media 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