:root{--bg:#0f1115;--panel:#181b22;--panel-2:#20242d;--border:#2a2f3a;--text:#e6e8ec;--muted:#8a90a0;--accent:#4f8cff;--accent-2:#3a6fd0;--danger:#e5484d;--ok:#30a46c}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}a{color:inherit;text-decoration:none}.shell{grid-template-columns:220px 1fr;min-height:100vh;display:grid}.sidebar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;gap:4px;padding:16px 12px;display:flex}.brand{letter-spacing:.3px;padding:8px 12px 16px;font-size:16px;font-weight:700}.navlink{color:var(--muted);border-radius:8px;padding:9px 12px}.navlink:hover,.navlink.active{background:var(--panel-2);color:var(--text)}.sidebar .spacer{flex:1}.main{max-width:1100px;padding:24px 28px}.page-title{margin:0 0 20px;font-size:20px;font-weight:700}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;margin-bottom:18px;padding:18px}.row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:9px 14px;font-size:14px}.btn:hover{background:var(--accent-2)}.btn.secondary{background:var(--panel-2);border:1px solid var(--border);color:var(--text)}.btn.danger{border:1px solid var(--danger);color:var(--danger);background:0 0}.btn:disabled{opacity:.5;cursor:default}input,select{background:var(--panel-2);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 11px;font-size:14px}input:focus,select:focus{outline:1px solid var(--accent)}label{color:var(--muted);margin-bottom:6px;font-size:13px;display:block}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 12px}th{color:var(--muted);text-transform:uppercase;letter-spacing:.4px;font-size:12px;font-weight:600}.badge{border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600;display:inline-block}.badge.on{color:var(--ok);background:#30a46c26}.badge.off{color:var(--muted);background:#8a90a026}.muted{color:var(--muted)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;display:grid}.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.stat .n{font-size:26px;font-weight:700}.stat .l{color:var(--muted);margin-top:4px;font-size:13px}.login-wrap{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{width:340px}.error{color:var(--danger);margin-top:8px;font-size:13px}