.categories-container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.categories-header{margin-bottom:2rem}.categories-title-section{margin-top:1.5rem}.categories-title{color:var(--text-primary,#1a1a2e);margin:0 0 .5rem;font-size:2.5rem;font-weight:700}.categories-subtitle{color:var(--text-secondary,#64748b);margin:0;font-size:1.1rem}.alphabet-nav{background:var(--card-bg,#f8fafc);z-index:10;border-radius:12px;flex-wrap:wrap;gap:.5rem;margin-bottom:2rem;padding:1rem;display:flex;position:sticky;top:80px;box-shadow:0 2px 8px #0000000d}.alphabet-link{width:36px;height:36px;color:var(--text-secondary,#64748b);background:var(--bg-primary,#fff);border-radius:8px;justify-content:center;align-items:center;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s;display:flex}.alphabet-link:hover{color:var(--primary-color,#0d47a1);background:var(--primary-light,#e3f2fd);transform:translateY(-2px)}.categories-grid{gap:2rem;display:grid}.category-section{scroll-margin-top:140px}.category-letter{color:var(--primary-color,#0d47a1);border-bottom:2px solid var(--primary-light,#e3f2fd);margin:0 0 1rem;padding-bottom:.5rem;font-size:1.5rem;font-weight:700}.category-list{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.5rem;margin:0;padding:0;list-style:none;display:grid}.category-item{margin:0}.category-link{background:var(--card-bg,#fff);border:1px solid var(--border-color,#e2e8f0);border-radius:8px;justify-content:space-between;align-items:center;padding:.75rem 1rem;text-decoration:none;transition:all .2s;display:flex}.category-link:hover{background:var(--primary-light,#e3f2fd);border-color:var(--primary-color,#0d47a1);transform:translate(4px)}.category-name{color:var(--text-primary,#1a1a2e);font-size:.95rem;font-weight:500}.category-link:hover .category-name{color:var(--primary-color,#0d47a1)}.category-count{color:var(--text-muted,#94a3b8);background:var(--bg-secondary,#f1f5f9);border-radius:4px;padding:.25rem .5rem;font-size:.85rem;font-weight:600}.category-link:hover .category-count{background:var(--primary-color,#0d47a1);color:#fff}.no-categories{text-align:center;color:var(--text-secondary,#64748b);padding:4rem 2rem}@media (max-width:768px){.categories-container{padding:1rem}.categories-title{font-size:1.75rem}.categories-subtitle{font-size:1rem}.alphabet-nav{gap:.35rem;padding:.75rem;top:60px}.alphabet-link{width:32px;height:32px;font-size:.8rem}.category-list{grid-template-columns:1fr}.category-section{scroll-margin-top:120px}}@media (max-width:480px){.alphabet-nav{justify-content:center}.alphabet-link{width:28px;height:28px;font-size:.75rem}}