:root{--bg-0:#060b14;--bg-1:#0b121e;--bg-2:#111a2a;--bg-3:#182338;--surf-1:hsla(0,0%,100%,.03);--surf-2:hsla(0,0%,100%,.06);--border:hsla(0,0%,100%,.07);--border-strong:hsla(0,0%,100%,.14);--ink:#e8eef6;--ink-2:rgba(232,238,246,.78);--ink-3:rgba(232,238,246,.52);--ink-4:rgba(232,238,246,.32);--brand:#38b6ff;--brand-2:#6cd3ff;--brand-soft:rgba(56,182,255,.16);--accent-cyan:#00d4ff;--accent-amber:#ffb547;--accent-green:#4ac98a;--accent-red:#ff5a5a;--shadow-card:0 1px 2px rgba(0,0,0,.45),0 8px 28px rgba(0,30,60,.4);--r-sm:6px;--r-md:10px;--r-lg:14px;--r-pill:999px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg-0);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--brand);text-decoration:none}a:hover{color:var(--brand-2)}code{font-family:JetBrains Mono,SF Mono,Menlo,monospace;font-size:.85em;background:var(--surf-2);padding:1px 6px;border-radius:4px}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--bg-1);border-right:1px solid var(--border);padding:24px 16px;display:flex;flex-direction:column;position:-webkit-sticky;position:sticky;top:0;height:100vh}.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 12px;margin-bottom:28px}.sidebar-brand .mark{width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,#1f8fd8,var(--brand-2));display:flex;align-items:center;justify-content:center;color:#001626;font-weight:900;font-size:14px;box-shadow:0 4px 12px rgba(56,182,255,.35)}.sidebar-brand .name{font-weight:700;font-size:15px;letter-spacing:-.2px}.sidebar-brand .sub{letter-spacing:1px}.nav-section,.sidebar-brand .sub{font-size:10px;color:var(--ink-4);text-transform:uppercase}.nav-section{padding:14px 12px 8px;letter-spacing:1.2px;font-weight:600}.nav-link{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:8px;color:var(--ink-2);font-size:13px;font-weight:500;text-decoration:none;margin-bottom:2px}.nav-link:hover{background:var(--surf-1);color:var(--ink)}.nav-link.active{background:var(--brand-soft);color:var(--brand-2);font-weight:600}.nav-link .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}.sidebar-spacer{flex:1 1}.sidebar-bottom{border-top:1px solid var(--border);padding-top:12px}.main{display:flex;flex-direction:column;min-width:0}.topbar{padding:18px 36px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--border);background:var(--bg-0);position:-webkit-sticky;position:sticky;top:0;z-index:5}.topbar h1{margin:0;font-size:18px;font-weight:700;letter-spacing:-.2px}.topbar .crumb{font-size:12px;display:flex;align-items:center;gap:6px}.topbar .crumb,.topbar .crumb-sep{color:var(--ink-4)}.topbar .topbar-actions{margin-left:auto;display:flex;gap:8px}.content{padding:28px 36px;flex:1 1}.card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--r-lg);padding:20px;box-shadow:var(--shadow-card)}.card+.card{margin-top:16px}.card-title{margin:0 0 4px;font-size:15px;font-weight:700}.card-sub{margin:0 0 16px;font-size:12px;color:var(--ink-3)}.kicker{font-size:10px;text-transform:uppercase;letter-spacing:1.4px;color:var(--ink-4);font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;font-size:13px;font-weight:600;font-family:inherit;border-radius:8px;border:1px solid var(--border-strong);background:transparent;color:var(--ink);cursor:pointer;transition:background .12s,transform 60ms;white-space:nowrap}.btn:hover:not(:disabled){background:var(--surf-2)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);color:var(--bg-0);border-color:var(--brand);font-weight:700}.btn-primary:hover:not(:disabled){background:var(--brand-2)}.btn-danger{background:transparent;color:var(--accent-red);border-color:rgba(255,90,90,.4)}.btn-danger:hover:not(:disabled){background:rgba(255,90,90,.1)}.btn-ghost{border-color:transparent}.btn-pill{border-radius:var(--r-pill);padding:6px 14px}.btn-sm{padding:6px 12px;font-size:12px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-size:11px;color:var(--ink-3);font-weight:600;letter-spacing:.2px}.input,.select,.textarea{padding:9px 12px;background:var(--bg-0);border:1px solid var(--border-strong);border-radius:8px;color:var(--ink);font-family:inherit;font-size:13px;transition:border-color .12s}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand)}.textarea{resize:vertical;min-height:64px}.grid-2{grid-template-columns:repeat(2,1fr);grid-gap:14px}.grid-2,.grid-4{display:grid;gap:14px}.grid-4{grid-template-columns:repeat(4,1fr);grid-gap:14px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spacer{flex:1 1}.chip{padding:7px 14px;border-radius:var(--r-pill);border:1px solid var(--border-strong);background:var(--surf-1);color:var(--ink-2);font-size:12px;font-weight:600;cursor:pointer;font-family:inherit}.chip:hover{background:var(--surf-2)}.chip.active{background:var(--brand);color:var(--bg-0);border-color:var(--brand);font-weight:700}.table{width:100%;border-collapse:collapse;font-size:13px}.table th{text-align:left;font-size:10px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--ink-4)}.table td,.table th{padding:12px 14px;border-bottom:1px solid var(--border)}.table td{color:var(--ink-2)}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--surf-1)}.table-empty{text-align:center;padding:48px 12px;color:var(--ink-4);font-size:13px}.alert{padding:10px 14px;border-radius:8px;font-size:12px;display:flex;align-items:center;gap:8px}.alert-error{background:rgba(255,90,90,.12);color:#f88;border:1px solid rgba(255,90,90,.32)}.alert-success{background:rgba(74,201,138,.12);color:var(--accent-green);border:1px solid rgba(74,201,138,.32)}.stat{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--r-md);padding:16px 18px}.stat-label{font-size:10px;text-transform:uppercase;letter-spacing:1.2px;color:var(--ink-4);font-weight:700;margin-bottom:6px}.stat-value{font-size:24px;font-weight:800;letter-spacing:-.4px}.stat-sub{font-size:11px;color:var(--ink-3);margin-top:4px}.badge{display:inline-flex;align-items:center;padding:3px 8px;border-radius:var(--r-pill);font-size:10px;font-weight:700;letter-spacing:.4px;text-transform:uppercase}.badge-ok{background:rgba(74,201,138,.16);color:var(--accent-green)}.badge-off{background:var(--surf-2);color:var(--ink-4)}.badge-warn{background:rgba(255,181,71,.16);color:var(--accent-amber)}.login-shell{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}.login-card{background:var(--bg-1);border:1px solid var(--border);border-radius:var(--r-lg);padding:36px;width:100%;max-width:400px;box-shadow:var(--shadow-card)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-0)}::-webkit-scrollbar-thumb{background:var(--surf-2);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--border-strong)}