:root {
  color-scheme: dark;
  --bg: #070a0f;
  --panel: #0d121a;
  --panel-2: #111923;
  --line: #222d3b;
  --text: #f1f5f9;
  --muted: #7e8b9d;
  --cyan: #48d7ff;
  --green: #64f2ad;
  --purple: #b48cff;
  --amber: #ffcf5a;
  --red: #ff667d;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); font-family: var(--font); }
button, input { font: inherit; }
.eyebrow { margin: 0 0 10px; color: var(--cyan); font-size: 11px; font-weight: 800; letter-spacing: .19em; }

.login-page { overflow-x: hidden; background: radial-gradient(circle at 15% 20%, #102433 0, transparent 35%), #070a0f; }
.login-shell { display: grid; grid-template-columns: 1.15fr .85fr; min-height: 100vh; }
.login-visual { position: relative; display: flex; flex-direction: column; justify-content: center; padding: 8vw; overflow: hidden; border-right: 1px solid #1d2935; }
.login-visual::before { content: ""; position: absolute; inset: 0; opacity: .16; background-image: linear-gradient(#2b4053 1px, transparent 1px), linear-gradient(90deg, #2b4053 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to right, black, transparent 90%); }
.login-visual > * { position: relative; z-index: 1; }
.login-visual h1 { margin: 0; font-size: clamp(52px, 7vw, 108px); line-height: .9; letter-spacing: -.07em; }
.visual-copy { max-width: 590px; margin: 30px 0; color: #9aa9bb; font-size: 18px; line-height: 1.7; }
.visual-status { color: #9fb0bf; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.visual-status span { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 18px var(--green); }
.radar { position: absolute; right: -150px; bottom: -180px; width: 620px; height: 620px; border: 1px solid #17445c; border-radius: 50%; opacity: .65; }
.radar-ring { position: absolute; inset: 15%; border: 1px solid #24546c; border-radius: 50%; }
.ring-two { inset: 30%; }.ring-three { inset: 44%; }
.radar-core { position: absolute; inset: 43%; display: grid; place-items: center; border-radius: 50%; background: var(--cyan); color: #061017; font-size: 44px; font-weight: 900; box-shadow: 0 0 70px #48d7ff77; }
.radar-sweep { position: absolute; inset: 0; border-radius: 50%; background: conic-gradient(from 0deg, transparent 0 75%, #48d7ff55 98%, transparent 100%); animation: radar 5s linear infinite; }
@keyframes radar { to { transform: rotate(360deg); } }
.login-panel { display: grid; place-items: center; padding: 40px; background: #090d13cc; }
.login-card { width: min(430px, 100%); }
.brand-row { display: flex; align-items: center; gap: 14px; }
.brand-row strong, .brand-row small { display: block; }
.brand-row strong { font-size: 15px; letter-spacing: .02em; }.brand-row small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid #375267; border-radius: 12px; color: var(--cyan); font-size: 13px; font-weight: 900; letter-spacing: -.03em; background: linear-gradient(145deg, #142331, #0b1219); }
.login-heading { margin: 80px 0 30px; }.login-heading h2 { margin: 0; font-size: 40px; letter-spacing: -.04em; }.login-heading p:last-child { margin: 10px 0 0; color: var(--muted); }
.login-form { display: grid; gap: 10px; }.login-form label { margin-top: 10px; color: #aab6c4; font-size: 12px; font-weight: 700; letter-spacing: .05em; }
.login-form input { width: 100%; padding: 15px 16px; color: var(--text); border: 1px solid #293544; border-radius: 10px; outline: none; background: #0c121a; transition: .2s; }
.login-form input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px #48d7ff18; }
.login-form button { display: flex; justify-content: space-between; margin-top: 18px; padding: 16px 18px; border: 0; border-radius: 10px; color: #061017; background: var(--cyan); font-weight: 850; cursor: pointer; transition: .2s; }.login-form button:hover { transform: translateY(-1px); box-shadow: 0 10px 35px #48d7ff26; }
.login-error { margin-bottom: 12px; padding: 12px 14px; border: 1px solid #ff667d55; border-radius: 10px; color: #ff94a5; background: #ff667d12; font-size: 13px; }
.login-footnote { margin-top: 24px; color: #566474; font-size: 11px; letter-spacing: .05em; text-align: center; }

.dashboard-page { background: radial-gradient(circle at 70% -20%, #112633 0, transparent 35%), var(--bg); }
.topbar { position: sticky; top: 0; z-index: 20; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; min-height: 72px; padding: 0 34px; border-bottom: 1px solid #1b2632; background: #070a0fe8; backdrop-filter: blur(18px); }
.brand-row.compact .brand-mark { width: 36px; height: 36px; }.topbar-center { color: #aeb9c5; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.live-dot { display: inline-block; width: 7px; height: 7px; margin-right: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 13px var(--green); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .35; transform: scale(.85); } }
.operator { display: flex; justify-content: flex-end; align-items: center; gap: 18px; text-align: right; }.operator small, .operator strong { display: block; }.operator small { color: var(--muted); font-size: 9px; letter-spacing: .15em; }.operator strong { margin-top: 2px; font-size: 12px; }
.ghost-button { padding: 9px 12px; border: 1px solid #2b3846; border-radius: 8px; color: #aeb9c5; background: transparent; cursor: pointer; }.ghost-button:hover { border-color: #506579; color: white; }
.dashboard-shell { width: min(1540px, calc(100% - 48px)); margin: 0 auto; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: end; padding: 74px 0 40px; }
.hero-grid h1 { margin: 0; font-size: clamp(46px, 6.2vw, 94px); line-height: .84; letter-spacing: -.07em; }.hero-grid h1 span { color: transparent; -webkit-text-stroke: 1px #60778a; }
.hero-copy { max-width: 660px; margin: 28px 0 0; color: #8b99aa; line-height: 1.7; }
.hero-meta { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: 14px; background: #0b1017; }.hero-meta div { padding: 20px; border-right: 1px solid var(--line); }.hero-meta div:last-child { border: 0; }.hero-meta span, .hero-meta strong { display: block; }.hero-meta span { color: var(--muted); font-size: 9px; letter-spacing: .15em; }.hero-meta strong { margin-top: 8px; font-size: 14px; }
.metric-strip { display: grid; grid-template-columns: repeat(5, 1fr); margin-bottom: 22px; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: #0b1017; }.metric-strip article { padding: 22px 24px; border-right: 1px solid var(--line); }.metric-strip article:last-child { border: 0; }.metric-strip span, .metric-strip strong, .metric-strip small { display: block; }.metric-strip span { color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .14em; }.metric-strip strong { margin: 7px 0 4px; font-size: 32px; letter-spacing: -.04em; }.metric-strip small { color: #647385; font-size: 10px; }.metric-strip .positive { color: var(--green); }.metric-strip .negative { color: var(--red); }
.topology-card, .panel { border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg, #0e141d, #0a0f16); box-shadow: 0 24px 80px #0004; }
.topology-card { padding: 28px; }.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }.section-heading h2 { margin: 0; font-size: 22px; letter-spacing: -.03em; }.legend { color: var(--muted); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }.legend span { display: inline-block; width: 8px; height: 8px; margin: 0 7px 0 15px; border-radius: 50%; }.legend-ok { background: var(--green); box-shadow: 0 0 8px var(--green); }.legend-flow { background: var(--cyan); }
.topology-wrap { margin-top: 12px; overflow-x: auto; border-radius: 14px; background-image: radial-gradient(#31415355 1px, transparent 1px); background-size: 24px 24px; }.topology { display: block; min-width: 1100px; width: 100%; height: auto; }
.link { fill: none; stroke-width: 2; stroke-dasharray: 8 9; opacity: .5; animation: dash 1s linear infinite; }.auth-link { stroke: url(#authGradient); }.acct-link { stroke: url(#acctGradient); }
@keyframes dash { to { stroke-dashoffset: -17; } }
.flow-particles circle { filter: url(#glow); }.auth-particles circle { fill: var(--cyan); }.acct-particles circle { fill: var(--purple); }
.topology-node rect { fill: #0e1620; stroke: #2b3a49; stroke-width: 1.5; transition: .3s; }.topology-node.primary rect { stroke: #327895; fill: #0c1922; }.topology-node.accounting rect { stroke: #5c467e; }.topology-node.database rect { fill: #101720; }.topology-node.offline rect { stroke: var(--red); opacity: .55; }.topology-node.offline { opacity: .55; }
.node-icon-bg { fill: #172b38; stroke: #2c6d89; }.node-icon { fill: none; stroke: var(--cyan); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }.accounting .node-icon-bg { fill: #241d31; stroke: #665083; }.accounting .node-icon { stroke: var(--purple); }.node-kicker { fill: #6d7f90; font-size: 10px; font-weight: 800; letter-spacing: .13em; }.node-title { fill: #f1f5f9; font-size: 20px; font-weight: 800; }.node-detail { fill: #8b9aaa; font-size: 12px; }.node-address { fill: var(--cyan); font-size: 12px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }.accounting .node-address { fill: var(--purple); }.centered { text-anchor: middle; }.orbit { fill: none; stroke: #2e7898; stroke-width: 1.5; }.db-top { fill: #172b38; stroke: var(--cyan); }.db-body { fill: none; stroke: var(--cyan); stroke-width: 2; }.accounting .db-top { fill: #281f35; stroke: var(--purple); }.accounting .db-body { stroke: var(--purple); }
.topology-wrap.auth-hot .auth-particles circle { r: 8; }.topology-wrap.acct-hot .acct-particles circle { r: 8; }
.flow-explainer { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }.flow-explainer div { position: relative; padding: 24px 22px 5px 52px; }.flow-explainer span { position: absolute; left: 12px; top: 25px; color: #365063; font: 700 22px ui-monospace, monospace; }.flow-explainer strong { font-size: 12px; }.flow-explainer p { margin: 7px 0 0; color: #6f7d8e; font-size: 11px; line-height: 1.55; }
.detail-grid { display: grid; grid-template-columns: 1.1fr .9fr .9fr; gap: 22px; margin: 22px 0 60px; }.panel { min-height: 360px; padding: 26px; }
.status-pill { padding: 6px 10px; border: 1px solid #64f2ad55; border-radius: 999px; color: var(--green); background: #64f2ad0b; font-size: 9px; font-weight: 850; letter-spacing: .12em; }.status-pill.bad { border-color: #ff667d55; color: var(--red); }
.gauges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 28px 0; }.gauge { text-align: center; }.gauge-ring { --gauge: 0deg; display: grid; place-items: center; width: 92px; height: 92px; margin: auto; border-radius: 50%; background: radial-gradient(circle at center, #0e151e 0 61%, transparent 63%), conic-gradient(var(--cyan) var(--gauge), #202b38 0); }.gauge-ring.warning { background: radial-gradient(circle at center, #0e151e 0 61%, transparent 63%), conic-gradient(var(--amber) var(--gauge), #202b38 0); }.gauge-ring.danger { background: radial-gradient(circle at center, #0e151e 0 61%, transparent 63%), conic-gradient(var(--red) var(--gauge), #202b38 0); }.gauge-ring span { font-size: 19px; font-weight: 800; }.gauge strong, .gauge small { display: block; }.gauge strong { margin-top: 11px; font-size: 10px; letter-spacing: .13em; }.gauge small { margin-top: 4px; color: var(--muted); font-size: 9px; }
.health-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; padding-top: 18px; border-top: 1px solid var(--line); }.health-list div { display: flex; justify-content: space-between; padding: 7px 0; }.health-list span { color: var(--muted); font-size: 10px; }.health-list strong { font-size: 10px; }
.endpoint-list { margin-top: 20px; }.endpoint { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 13px; padding: 16px 0; border-bottom: 1px solid var(--line); }.endpoint:last-child { border: 0; }.endpoint-led { width: 10px; height: 10px; border: 2px solid #536170; border-radius: 50%; }.endpoint-led.online { border-color: var(--green); background: var(--green); box-shadow: 0 0 12px #64f2ad99; }.endpoint-led.offline { border-color: var(--red); background: var(--red); }.endpoint strong, .endpoint small { display: block; }.endpoint strong { font-size: 12px; }.endpoint small { margin-top: 5px; color: var(--muted); font-size: 10px; }.endpoint b { font-size: 9px; letter-spacing: .08em; }.online-text { color: var(--green); }.offline-text { color: var(--red); }
.privacy-tag { color: #728295; font-size: 9px; letter-spacing: .14em; }.last-nas { margin: 21px 0; padding: 18px; border: 1px solid #283544; border-radius: 12px; background: #0a1119; }.last-nas span, .last-nas strong, .last-nas small { display: block; }.last-nas span { color: var(--muted); font-size: 9px; letter-spacing: .13em; }.last-nas strong { margin: 8px 0 5px; color: var(--cyan); font: 800 24px ui-monospace, monospace; }.last-nas small { color: #69798a; font-size: 10px; }
.event-list { max-height: 205px; overflow: hidden; }.event-row { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px solid #1c2733; }.event-row strong { font: 600 10px ui-monospace, monospace; }.event-row small { color: var(--muted); font-size: 9px; }.event-type { color: #9bacbc; font-size: 9px; }.event-type.access_accept { color: var(--green); }.event-type.access_reject { color: var(--red); }.event-type.accounting_request, .event-type.accounting_response { color: var(--purple); }.empty-event { padding: 24px 0; color: var(--muted); font-size: 11px; text-align: center; }
footer { display: flex; justify-content: space-between; padding: 22px 34px; border-top: 1px solid #18222d; color: #4f5e6e; font-size: 9px; letter-spacing: .14em; }
.system-alert .live-dot { background: var(--red); box-shadow: 0 0 13px var(--red); }

@media (max-width: 1100px) {
  .login-shell { grid-template-columns: 1fr; }.login-visual { display: none; }.login-panel { min-height: 100vh; }
  .hero-grid { grid-template-columns: 1fr; }.detail-grid { grid-template-columns: 1fr 1fr; }.event-panel { grid-column: 1 / -1; }
  .flow-explainer { grid-template-columns: 1fr 1fr; }.metric-strip { grid-template-columns: repeat(3, 1fr); }.metric-strip article:nth-child(3) { border-right: 0; }
}
@media (max-width: 720px) {
  .topbar { grid-template-columns: 1fr auto; padding: 0 16px; }.topbar-center { display: none; }.operator > div { display: none; }
  .dashboard-shell { width: min(100% - 24px, 1540px); }.hero-grid { padding-top: 48px; }.hero-meta { grid-template-columns: 1fr; }.hero-meta div { border-right: 0; border-bottom: 1px solid var(--line); }
  .metric-strip { grid-template-columns: 1fr 1fr; }.metric-strip article { border-bottom: 1px solid var(--line); }.metric-strip article:nth-child(even) { border-right: 0; }
  .detail-grid { grid-template-columns: 1fr; }.event-panel { grid-column: auto; }.flow-explainer { grid-template-columns: 1fr; }.gauges { grid-template-columns: 1fr 1fr 1fr; }.gauge-ring { width: 78px; height: 78px; }
  .topology-card, .panel { padding: 18px; }footer { gap: 20px; padding: 20px 16px; }
}