.backup-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; }
.backup-grid .editor-card.is-fresh { border-color:rgba(89,226,192,.25); }
.backup-grid .editor-card.is-stale { border-color:rgba(255,174,102,.3); }
@media (max-width:800px) { .backup-grid { grid-template-columns:1fr; } }