body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
    text-align: center;
}

.container {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    color: #333;
}

/* Input section */
.input-section {
    width: 350px;
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.input-section input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.input-section button {
    padding: 10px 15px;
    border: none;
    background: #007bff;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

.input-section button:hover {
    background: #0056b3;
}

/* Task list */
ul {
    padding: 0;
    width: 350px;
}

li {
    list-style: none;
    margin: 10px 0;
    padding: 10px;
    background: white;
    border-radius: 5px;

    display: flex;
    align-items: center;
    gap: 10px;
}

/* Checkbox */
li input[type="checkbox"] {
    transform: scale(1.2);
}

/* Task text */
li span {
    flex: 1;
    text-align: left;
}

/* Completed */
.completed span {
    text-decoration: line-through;
    color: gray;
}

/* Delete button */
li button {
    background: #007bff;
    border: none;
    padding: 6px 10px;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

li button:hover {
    background: #007bff;
}