body{font-family:Arial;margin:0}.login{width:300px;margin:100px auto}.login input{width:100%;margin:5px 0}.navbar{background:#222;padding:10px;display:flex;gap:10px}.navbar input,.navbar select{padding:5px}.navbar button{color:#fff;background:red}.admin{display:flex}.sidebar{width:250px;padding:10px;border-right:1px solid gray}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:10px}.card{border:1px solid gray;padding:10px}.card img{width:100%;height:150px}