body{margin:0;font-family:Arial;background:#0b1220;color:#fff;display:flex}.s{width:220px;background:#111827;height:100vh;padding:20px}.s a{display:block;color:#fff;padding:10px}.g{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.c{background:#1e293b;padding:20px;border-radius:16px}.c{text-decoration:none;color:#fff}main{padding:24px;flex:1}