:root{--background:#fff;--foreground:#171717}@media (prefers-color-scheme:dark){:root{--background:#0a0a0a;--foreground:#ededed}}body{color:var(--foreground);background:var(--background);margin:0;padding:0;font-family:Arial,Helvetica,sans-serif}.container{text-align:center;max-width:1200px;margin:0 auto;padding:2rem}.grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:3rem;display:grid}.card{color:inherit;border:1px solid #333;border-radius:8px;padding:2rem;text-decoration:none;transition:transform .2s}.card:hover{color:#fff;background:#1a1a1a;transform:translateY(-5px)}.landing-page{max-width:800px;margin:0 auto;padding:2rem}.carbon-theme{color:#fff;background-color:#111;min-height:100vh}