.iug-container{
max-width:900px;
margin:auto;
font-family:Arial;
}

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

.iug-input-area input{
flex:1;
padding:10px;
}

.iug-input-area button{
background:#4CAF50;
color:#fff;
border:none;
padding:10px 20px;
cursor:pointer;
}

.iug-grid{
display:grid;
grid-template-columns:repeat(4,1fr);
gap:10px;
}

.iug-item{
background:#f5f5f5;
padding:10px;
display:flex;
justify-content:space-between;
align-items:center;
}

.copy-btn{
background:#222;
color:#fff;
border:none;
padding:5px 10px;
cursor:pointer;
}

@media(max-width:900px){
.iug-grid{
grid-template-columns:repeat(2,1fr);
}
}

@media(max-width:600px){
.iug-grid{
grid-template-columns:1fr;
}
}