styles.css

body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

header {
    background: #333;
    color: #fff;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

.task-entry {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 20px 0;
}

#task-input, #priority, #due-date, #category, #add-task {
    padding: 10px;
    margin-right: 10px;
}

#task-list {
    list-style-type: none;
    padding: 0;
}

#task-list li {
    background: #fff;
    padding: 10px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-left: 5px solid #ccc;
}

#task-list li.low { border-color: green; }
#task-list li.medium { border-color: orange; }
#task-list li.high { border-color: red; }

.complete {
    text-decoration: line-through;
    color: gray;
}