body{
font-family:Arial, Helvetica, sans-serif;
background:#f2f4f8;
display:flex;
justify-content:center;
align-items:center;
height:100vh;
}

.container{
background:white;
padding:30px;
width:400px;
border-radius:10px;
box-shadow:0 5px 15px rgba(0,0,0,0.2);
}

h1{
text-align:center;
margin-bottom:20px;
}

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

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

button{
padding:10px 15px;
border:none;
background:#4CAF50;
color:white;
border-radius:5px;
cursor:pointer;
}

button:hover{
background:#45a049;
}

.filters{
margin-top:15px;
display:flex;
justify-content:space-between;
}

ul{
margin-top:20px;
padding:0;
}

li{
list-style:none;
padding:10px;
margin-bottom:10px;
background:#f7f7f7;
border-radius:5px;
display:flex;
justify-content:space-between;
align-items:center;
}

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

.delete{
background:red;
padding:5px 10px;
border-radius:5px;
}