.tab{
border:1px solid #ccc;
padding:6px 16px;
border-radius:6px;
}

.tab.active{
background:#6D28D9;
color:white;
}

.issue-card{
background:white;
padding:16px;
border-radius:8px;
box-shadow:0 2px 5px rgba(0,0,0,0.1);
cursor:pointer;
}

.border-open{
border-top:4px solid green;
}

.border-closed{
border-top:4px solid purple;
}