body{background:#f4f4f4;margin:0;font-family:Arial,sans-serif}.container{max-width:800px;margin:auto;padding:2rem}h1{text-align:center}.todo-form{flex-direction:column;gap:1rem;margin-bottom:2rem;display:flex}.todo-form input,.todo-form textarea{padding:1rem;font-size:1rem}.todo-form button{cursor:pointer;padding:1rem}.todo-item{background:#fff;border-radius:8px;justify-content:space-between;align-items:center;margin-bottom:1rem;padding:1rem;display:flex}.todo-actions{gap:1rem;display:flex}.todo-actions button{padding:.5rem 1rem}.error{color:red}