@media (max-width:1250px){
  :root{--sidebar:220px}
  .kpi-grid{grid-template-columns:repeat(3,1fr)}.kpi:nth-child(3){border-right:0}.kpi:nth-child(-n+3){border-bottom:1px solid var(--line-soft)}
  .project-cards{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .shell{display:block}.sidebar{display:none}.main{padding:0 14px 84px}.topbar{height:62px}
  .clock,.system-state span{display:none}.system-state{font-size:0}.lang-switch button{padding:5px}
  .mobile-nav{display:flex;position:fixed;z-index:50;left:10px;right:10px;bottom:10px;height:62px;padding:6px;border:1px solid #292929;border-radius:15px;background:rgba(13,13,13,.94);backdrop-filter:blur(20px);box-shadow:0 10px 40px #000}
  .mobile-nav a{flex:1;display:grid;place-items:center;border-radius:10px;color:#626262;font:650 8px ui-monospace,monospace;text-transform:uppercase}.mobile-nav a.active{background:#1b1b1b;color:#ddd}
  .overview-grid,.detail-grid,.account-grid{grid-template-columns:1fr}.auth-page{grid-template-columns:1fr}.auth-visual{display:none}.auth-side{min-height:100vh}.auth-lang{display:block}
}
@media (max-width:640px){
  .main{padding-left:10px;padding-right:10px}.breadcrumb span{display:none}.hero{padding:28px 0 22px}.hero h1{font-size:45px}.hero-side{display:none}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}.kpi:nth-child(n){border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}.kpi:nth-child(2n){border-right:0}.kpi:last-child{grid-column:1/-1;border-bottom:0}
  .ticker{grid-template-columns:repeat(2,1fr)}.ticker-item:nth-child(2n){border-right:0}.ticker-item:nth-child(-n+2){border-bottom:1px solid var(--line-soft)}
  .project-cards{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr 1fr}
  .table-row{grid-template-columns:1fr 100px 80px}.table-row>*:nth-child(2),.table-row>*:nth-child(4){display:none}
  .audit-row{grid-template-columns:95px 100px minmax(140px,1fr)}.audit-row>*:nth-child(4),.audit-row>*:nth-child(5){display:none}
  .page-heading h1{font-size:36px}
}