:root{--bg:#07101f;--panel:#0e1a2d;--panel2:#111f35;--border:#20314e;--text:#e9eff9;--muted:#8fa1ba;--green:#43d4a7;--cyan:#4fb8ff;--amber:#f5bd4f;--red:#ff6b7a;--sidebar:240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 75% -10%,#15304b 0,transparent 28%),var(--bg);color:var(--text);font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif}.app-shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:#091425e8;border-right:1px solid var(--border);padding:22px 16px;display:flex;flex-direction:column;backdrop-filter:blur(14px)}.brand{display:flex;gap:11px;align-items:center;padding:0 8px 24px}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--green),var(--cyan));display:grid;place-items:center;color:#06131e;font-weight:900;font-size:20px;box-shadow:0 8px 30px #42d4a633}.brand strong{display:block;font-size:15px}.brand span{display:block;color:var(--muted);font-size:12px}.sidebar nav{display:grid;gap:6px}.nav{color:#aebdd1;text-decoration:none;padding:11px 12px;border-radius:10px;transition:.2s}.nav:hover,.nav.active{background:#172740;color:#fff}.nav.active{box-shadow:inset 3px 0 0 var(--green)}.sidebar-foot{margin-top:auto;border-top:1px solid var(--border);padding:16px 8px 0;display:grid;gap:5px;color:var(--muted);font-size:11px}.sidebar-foot a{color:#dce7f5;text-decoration:none}.main{padding:28px;min-width:0}.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}.topbar h1{font-size:25px;margin:0}.topbar p{margin:5px 0 0;color:var(--muted)}.top-actions{display:flex;gap:10px;align-items:center}.badge,.pill{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:999px;padding:7px 10px;font-size:11px;font-weight:800;letter-spacing:.04em}.badge.online{background:#10332b;color:#74e9c3;border-color:#22614f}.badge.offline{background:#371623;color:#ff9dad;border-color:#653046}.badge.neutral{background:#17243a;color:#aebdd1}.ghost,.primary{border:1px solid var(--border);background:#14243b;color:#eaf2fb;border-radius:10px;padding:9px 13px;cursor:pointer;font-weight:700}.primary{background:var(--green);color:#062018;border-color:transparent}.small{font-size:12px;padding:8px 11px}.tab{display:none}.tab.active{display:block}.hero-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:14px}.metric{background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--border);border-radius:16px;padding:17px;min-height:120px;box-shadow:0 18px 45px #0002}.metric.hero{background:linear-gradient(145deg,#143329,#102438)}.metric span{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em}.metric strong{display:block;font-size:24px;margin:10px 0 5px}.metric small{color:#8ba1bc}.panel-grid{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-bottom:14px}.panel{background:linear-gradient(165deg,var(--panel),#0b1628);border:1px solid var(--border);border-radius:16px;padding:18px;min-width:0;box-shadow:0 16px 45px #0002}.panel.wide{min-width:0}.panel h2{margin:0;font-size:16px}.panel-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:12px}.chart-wrap{height:280px}.gauge{display:grid;place-items:center;padding-top:10px}.gauge-ring{--p:0;width:185px;height:185px;border-radius:50%;background:conic-gradient(var(--green) calc(var(--p)*1%),#1c2b42 0);display:grid;place-items:center;position:relative}.gauge-ring:after{content:"";position:absolute;inset:14px;background:#0d192b;border-radius:50%;border:1px solid #263958}.gauge-ring>div{position:relative;z-index:1;text-align:center}.gauge-ring strong{display:block;font-size:30px}.gauge-ring span{color:var(--muted);font-size:10px;letter-spacing:.12em}.gauge-meta{width:100%;display:flex;justify-content:space-between;margin-top:20px;color:var(--muted);font-size:12px}.gauge-meta b{color:#fff}.kv{display:grid;gap:0;margin:8px 0}.kv div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid #1d2b42}.kv dt{color:var(--muted)}.kv dd{margin:0;text-align:right;word-break:break-all}.event-list{display:grid;gap:8px;max-height:400px;overflow:auto}.event-list.empty{color:var(--muted)}.event{display:grid;grid-template-columns:80px 1fr;gap:10px;border-left:3px solid #3f5779;padding:8px 10px;background:#0b1728;border-radius:7px}.event.warning{border-left-color:var(--amber)}.event.critical{border-left-color:var(--red)}.event time{color:var(--muted);font-size:11px}.ports-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.port-card{border:1px solid var(--border);background:#0b1728;padding:15px;border-radius:12px}.port-card strong{display:block;font-size:16px}.port-card span{display:block;margin-top:8px;color:var(--muted)}.dot{width:8px;height:8px;display:inline-block;border-radius:50%;margin-right:7px;background:#51647d}.dot.up{background:var(--green);box-shadow:0 0 12px #43d4a777}.table-wrap{overflow:auto;max-height:65vh;border:1px solid var(--border);border-radius:10px}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid #1d2b42;vertical-align:top}th{position:sticky;top:0;background:#122039;color:#b9c7d8}td:first-child{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#bcd1e9;min-width:420px}.note{color:var(--muted);font-size:12px}.field{display:grid;gap:6px;color:#bcc8d8;font-size:12px;margin-top:15px}.field input,.login-card input{width:100%;background:#071221;border:1px solid #2a3b5a;border-radius:9px;padding:11px;color:#fff}.muted{color:var(--muted)}footer{padding:18px 0 4px;color:#60738e;font-size:11px;text-align:center}.login-body{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:min(390px,100%);background:#0e1a2d;border:1px solid var(--border);border-radius:18px;padding:28px;box-shadow:0 30px 80px #0007}.login-card .brand-mark{margin-bottom:18px}.login-card h1{margin:0}.login-card>p{color:var(--muted);margin:5px 0 20px}.login-card form{display:grid;gap:14px}.login-card label{display:grid;gap:6px;color:#b8c5d7}.login-card button{margin-top:4px}.alert.error{background:#381726;color:#ffb8c2;padding:10px;border:1px solid #663044;border-radius:9px;margin-bottom:14px}@media(max-width:1100px){:root{--sidebar:205px}.hero-grid{grid-template-columns:repeat(2,1fr)}.ports-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.app-shell{display:block}.sidebar{position:relative;width:auto;height:auto;padding:14px}.sidebar nav{display:flex;overflow:auto}.nav{white-space:nowrap}.sidebar-foot{display:none}.main{padding:16px}.topbar{align-items:flex-start;flex-direction:column}.hero-grid,.panel-grid{grid-template-columns:1fr}.ports-grid{grid-template-columns:1fr}.top-actions{width:100%;flex-wrap:wrap}.chart-wrap{height:240px}}