.admin-body{background:#f5f8fa}.admin-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.admin-sidebar{position:sticky;top:0;height:100vh;padding:22px 14px;border-right:1px solid var(--line);background:#fff}.admin-sidebar .brand{padding:0 8px}.admin-nav{display:grid;gap:6px;margin-top:30px}.admin-nav button{height:45px;border:0;border-radius:12px;background:transparent;color:var(--muted);text-align:left;padding:0 13px;font-weight:800}.admin-nav button.active,.admin-nav button:hover{background:var(--primary-soft);color:var(--primary)}.admin-main{min-width:0}.admin-topbar{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 26px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.9);position:sticky;top:0;z-index:20}.admin-content{padding:26px}.admin-section{display:none}.admin-section.active{display:block}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.metric{padding:20px}.metric small,.metric strong{display:block}.metric small{color:var(--muted);font-size:10px}.metric strong{font-size:26px;margin-top:7px}.admin-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:18px;margin-top:18px}.panel{padding:20px}.panel h2{margin:0 0 17px}.inline-actions{display:flex;flex-wrap:wrap;gap:7px}.compact-select{height:36px;border:1px solid var(--line);border-radius:10px;background:white;padding:0 8px}.stack-form{display:grid;gap:12px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:10px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.admin-mobile{display:none}@media(max-width:1050px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:fixed;z-index:50;left:0;top:0;width:250px;transform:translateX(-100%);transition:.2s}.admin-sidebar.open{transform:none}.admin-mobile{display:block}.metric-grid{grid-template-columns:1fr 1fr}.admin-grid{grid-template-columns:1fr}}@media(max-width:600px){.metric-grid{grid-template-columns:1fr}.admin-content{padding:14px}.two-col,.three-col{grid-template-columns:1fr}}