styles.css

body {
    font-family: Arial, sans-serif;
    background-color: #669BBC;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.app-container {
    background: white;
    padding: 20px;
    border-radius: 10px;
    width: 450px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    text-align: center;
}

h1 {
    color: #333;
}

.task-input {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.task-input input {
    flex: 1;
    padding: 8px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.task-input button {
    padding: 8px 10px;
    border: none;
    background-color: #007bff;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

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

#taskList {
    list-style: none;
    padding: 0;
}

.task-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: #f9f9f9;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

.task-item.completed {
    text-decoration: line-through;
    color: gray;
}

.task-filters button {
    padding: 8px 10px;
    border: none;
    background-color: #3f7495;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}