.room-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.room-device{overflow:hidden;padding:0}.room-device video{display:block;width:100%;aspect-ratio:16/9;background:#111;object-fit:cover}.room-device .room-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px}.room-device .room-meta .btn{min-height:44px;padding:8px 12px}.room-device .room-status{padding:0 12px 12px}.active-banner{margin-bottom:16px}.active-banner+.room-device{}#preview{display:block;width:100%;max-height:60vh;object-fit:contain;background:#111;margin:16px 0;border-radius:12px}