@media(min-width:2200px){.os-header{height:92px;grid-template-columns:minmax(380px,1fr) 300px 260px minmax(760px,1.2fr)}.kpi{min-height:110px}.command-grid{grid-template-columns:430px minmax(980px,1fr) 650px}.left-rail{grid-template-rows:230px minmax(390px,1fr)}.right-rail{grid-template-rows:330px minmax(300px,1fr)}.topology-stage{height:650px}.bottom-grid{grid-template-columns:1.45fr 1.2fr 1.1fr 340px}.bottom-grid>article{height:220px}}
@media(max-width:1750px){.command-grid{grid-template-columns:300px minmax(590px,1fr) 430px}.header-actions button,.header-actions select,.header-actions a{padding:0 .62rem}.kpi{grid-template-columns:45px 1fr 70px;padding:9px}.kpi-icon{width:38px;height:38px}.spark{width:70px}.infra-grid{grid-template-columns:repeat(4,1fr)}.bottom-grid{grid-template-columns:1.25fr 1.05fr 1fr 230px}}
@media(max-width:1400px){.os-header{height:auto;grid-template-columns:1fr 170px 180px}.header-actions{grid-column:1/-1;justify-content:flex-start}.kpi-strip{grid-template-columns:repeat(3,1fr)}.command-grid{grid-template-columns:290px minmax(560px,1fr)}.right-rail{grid-column:1/-1;grid-template-columns:1fr 1fr;grid-template-rows:auto}.bottom-grid{grid-template-columns:1fr 1fr}.bottom-grid>article{height:180px}.quick-panel{grid-column:auto}}
@media(max-width:980px){.os-header{grid-template-columns:1fr auto}.global-state{display:none}.kpi-strip{grid-template-columns:repeat(2,1fr)}.command-grid{grid-template-columns:1fr}.topology-panel{grid-row:1}.left-rail{grid-row:2;grid-template-columns:1fr 1fr;grid-template-rows:auto}.right-rail{grid-row:3;grid-template-columns:1fr}.topology-stage{height:760px}.bottom-grid{grid-template-columns:1fr}.bottom-grid>article{height:190px}}
@media(max-width:620px){.os-shell{padding:5px}.os-header{padding:10px;grid-template-columns:1fr auto}.brand .eyebrow{display:none}.brand h1{font-size:1.1rem}.clock strong{font-size:1rem}.header-actions{overflow-x:auto;flex-wrap:nowrap}.header-actions>*{flex:0 0 auto}.kpi-strip{grid-template-columns:1fr}.kpi{min-height:78px}.left-rail{grid-template-columns:1fr}.right-rail{grid-template-columns:1fr}.topology-stage{height:840px}.chain-grid,.infra-grid{grid-template-columns:repeat(2,1fr)}.bottom-grid{grid-template-columns:1fr}.world-content{grid-template-columns:1fr}.world-list{display:none}.quick-actions{grid-template-columns:1fr 1fr}.zoom-stats{grid-template-columns:1fr 1fr}}