*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial;
}

body{
height:100vh;
display:flex;
justify-content:center;
align-items:center;
background:linear-gradient(135deg,#1e3a8a,#020617);
color:white;
}

.app{
width:360px;
background:rgba(255,255,255,0.05);
padding:25px;
border-radius:15px;
backdrop-filter:blur(10px);
box-shadow:0 20px 40px rgba(0,0,0,0.4);
}

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

.balance-card{
background:linear-gradient(135deg,#22c55e,#16a34a);
padding:20px;
border-radius:12px;
text-align:center;
margin-bottom:20px;
}

.balance-card h2{
font-size:32px;
margin-top:5px;
}

.task-box{
display:flex;
flex-direction:column;
gap:15px;
}

.task{
background:rgba(255,255,255,0.08);
padding:15px;
border-radius:10px;
display:flex;
justify-content:space-between;
align-items:center;
transition:0.2s;
}

.task:hover{
transform:translateY(-3px);
background:rgba(255,255,255,0.12);
}

button{
background:#22c55e;
border:none;
padding:8px 14px;
border-radius:6px;
color:white;
cursor:pointer;
font-weight:bold;
}

button:hover{
background:#16a34a;
}