.nav-container{gap:2rem;min-height:100vh;padding:2rem;display:flex}.sidebar{width:240px;height:calc(100vh - 4rem);position:sticky;top:2rem;overflow-y:auto}.sidebar ul{padding:0;list-style:none}.sidebar li{margin:.5rem 0}.sidebar a{color:#333;font-weight:500;text-decoration:none}.sidebar a:hover{text-decoration:underline}.main-content{flex:1;padding-right:2rem}.category-section{margin-bottom:3rem;scroll-margin-top:70px}.category-title{border-bottom:1px solid #e5e5e5;margin-bottom:1.5rem;padding-bottom:.5rem;font-size:1.5rem}.site-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;display:grid}.site-card{cursor:pointer;border:1px solid #e5e5e5;border-radius:8px;padding:1rem;transition:all .2s}.site-card:hover{box-shadow:0 2px 8px #0000000d}.site-icon{width:32px;height:32px;margin-bottom:.5rem}.site-title{margin:.5rem 0;font-weight:600}.site-description{color:#666;margin-top:.5rem;font-size:.9rem}