body{font-family:Arial;margin:0;background:#f5f6fa}.navbar{display:flex;justify-content:space-between;padding:15px;background:#fff;border-bottom:1px solid #ddd}.sidebar{width:220px;background:#111;color:#fff;height:100vh;padding:20px}.sidebar a{display:block;color:#fff;margin:10px 0;text-decoration:none}.layout{display:flex}.main{flex:1;padding:20px}.cards{display:flex;gap:20px;margin-bottom:30px}.card{background:#fff;padding:20px;border-radius:10px;box-shadow:0 0 10px #0000001a}.form{display:flex;flex-direction:column;width:300px;margin:100px auto auto;gap:10px}.form input{padding:10px;border:1px solid #ccc}.form button{padding:10px;background:#4f46e5;color:#fff;border:none;cursor:pointer}.center{text-align:center;margin-top:100px}