:root{color-scheme:light}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app-shell{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:1rem;padding:.5rem 1rem;border-bottom:1px solid #ddd}.app-body{flex:1 1;min-height:0}.workspace{display:flex;flex-direction:column;height:100%}.workspace-status{display:flex;gap:1rem;padding:.25rem 1rem;font-size:.85rem}.workspace-grid{flex:1 1;display:grid;grid-template-columns:280px 1fr 340px;min-height:0}.fleet-list{border-right:1px solid #ddd;overflow:auto;padding:.5rem}.fleet-list ul{list-style:none;margin:0;padding:0}.fleet-list button{display:flex;justify-content:space-between;width:100%;gap:.5rem}.fleet-map{min-height:300px}.asset-detail{border-left:1px solid #ddd;overflow:auto;padding:.5rem}.freshness{font-size:.75rem}.freshness-FRESH{color:#15803d}.freshness-DELAYED{color:#b45309}.freshness-STALE{color:#b91c1c}.freshness-NO_DATA{color:#6b7280}@media (max-width:900px){.workspace-grid{grid-template-columns:1fr}}