:root {
  color-scheme: dark;
  --bg: #05080f;
  --panel: #0b111a;
  --panel-2: #111a26;
  --line: rgba(105,216,255,.12);
  --muted: #7f8fa2;
  --text: #f4f8ff;
  --accent: #2f8cff;
  --accent-2: #69d8ff;
  --accent-soft: rgba(47,140,255,.14);
  --green: #45e0a8;
  --red: #f08c87;
  --shadow: 0 24px 80px rgba(0,0,0,.42);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(circle at 82% 4%, rgba(47,140,255,.09), transparent 32%), var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; min-height: 100vh; }
body::before { content:""; position:fixed; inset:0; z-index:-1; pointer-events:none; background-image:linear-gradient(rgba(105,216,255,.028) 1px, transparent 1px),linear-gradient(90deg, rgba(105,216,255,.028) 1px, transparent 1px); background-size:44px 44px; mask-image:linear-gradient(to bottom, black, transparent 86%); }
body::after { content:""; position:fixed; inset:0; z-index:100; pointer-events:none; opacity:.025; background:repeating-linear-gradient(0deg, transparent 0 3px, #8ddfff 4px); }
button, input { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }
.eyebrow { margin: 0 0 9px; color: var(--accent-2); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: .69rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.brand-wordmark { position:relative; display:inline-flex; align-items:baseline; color:#fff; font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size:1.52rem; font-weight:900; letter-spacing:-.085em; line-height:1; white-space:nowrap; text-shadow:0 0 24px rgba(47,140,255,.18); }
.brand-wordmark span { color:#f7fbff; }
.brand-wordmark b { color:var(--accent); font-weight:900; text-shadow:0 0 18px rgba(47,140,255,.55); }
.brand-wordmark i { color:var(--accent-2); font-style:normal; font-weight:500; margin-left:.08em; animation:cursor-blink 1.1s steps(1,end) infinite; }
.brand-wordmark::after { content:""; position:absolute; left:0; right:0; bottom:-9px; height:1px; background:linear-gradient(90deg,var(--accent),rgba(105,216,255,0)); box-shadow:0 0 12px rgba(47,140,255,.5); }
@keyframes cursor-blink { 0%,48% { opacity:1; } 49%,100% { opacity:.12; } }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(360px, 560px) 1fr; overflow: hidden; }
.login-card { position: relative; z-index: 2; padding: clamp(42px, 7vw, 88px); display: flex; flex-direction: column; justify-content: center; background:radial-gradient(circle at 10% 12%,rgba(47,140,255,.09),transparent 24%),#070b12; box-shadow: var(--shadow); }
.login-card::before { content:"SECURE LOGIN // 01"; position:absolute; top:28px; right:28px; color:rgba(105,216,255,.3); font:600 .58rem/1 ui-monospace,monospace; letter-spacing:.14em; }
.brand-wordmark--login { align-self:flex-start; font-size:clamp(2.5rem,4.4vw,4rem); margin-bottom:66px; }
.login-card h1 { font-size: clamp(2.4rem, 5vw, 4.6rem); line-height: .98; letter-spacing: -.06em; margin: 0 0 24px; }
.login-intro { color: #abb0b4; line-height: 1.65; max-width: 480px; margin: 0 0 36px; }
.login-form { display: grid; gap: 10px; }
.login-form label { color: #c8cbce; font-size: .82rem; font-weight: 700; margin-top: 10px; }
.login-form input { width: 100%; border: 1px solid var(--line); background: rgba(11,18,28,.9); color: #fff; border-radius: 9px; padding: 15px 16px; outline: none; transition: border-color .2s, box-shadow .2s; }
.login-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.login-form button { margin-top: 16px; border: 1px solid rgba(105,216,255,.35); border-radius: 9px; padding: 16px 18px; background:linear-gradient(110deg,#1767d2,var(--accent)); box-shadow:0 12px 36px rgba(47,140,255,.18),inset 0 1px rgba(255,255,255,.12); color: #fff; font-weight: 800; display: flex; justify-content: space-between; cursor: pointer; }
.login-form button:disabled { opacity: .6; cursor: wait; }
.form-message, .setup-notice { border: 1px solid rgba(240,140,135,.3); background: rgba(240,140,135,.09); color: #ffc2be; padding: 12px 14px; border-radius: 10px; font-size: .86rem; line-height: 1.45; }
.setup-notice { margin-top: 20px; border-color: rgba(47,140,255,.32); background: var(--accent-soft); color: #add9ff; }
.security-note { color: #6f767b; font-size: .75rem; margin-top: 28px; }
.security-note span { color: var(--accent); margin-right: 8px; }
.login-aside { position: relative; display: flex; flex-direction:column; gap: 54px; align-items: center; justify-content: center; background:radial-gradient(circle at 60% 34%,rgba(47,140,255,.16),transparent 28%),linear-gradient(135deg,#080d15,#04070c 70%); overflow: hidden; }
.login-aside::before { content:""; position:absolute; inset:0; background-image:linear-gradient(rgba(105,216,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(105,216,255,.055) 1px,transparent 1px); background-size:54px 54px; transform:perspective(600px) rotateX(58deg) scale(1.4); transform-origin:bottom; opacity:.55; }
.network-route { display:flex; align-items:center; gap:18px; position:relative; z-index:2; }
.network-route p { border: 1px solid var(--line); background: rgba(8,15,24,.78); backdrop-filter: blur(12px); padding: 16px 19px; border-radius: 9px; font-weight: 750; }
.network-route > span { color: var(--accent-2); text-shadow:0 0 12px var(--accent); }
.terminal-card { width:min(520px,72%); position:relative; z-index:2; border:1px solid rgba(105,216,255,.24); border-radius:12px; padding:0 22px 22px; background:rgba(3,9,16,.78); box-shadow:0 28px 90px rgba(0,0,0,.46),0 0 48px rgba(47,140,255,.07); backdrop-filter:blur(14px); font:500 .75rem/1.7 ui-monospace,SFMono-Regular,Menlo,monospace; }
.terminal-head { height:42px; display:flex; align-items:center; gap:7px; border-bottom:1px solid var(--line); margin:0 -22px 16px; padding:0 18px; }
.terminal-head span { width:7px; height:7px; border-radius:50%; background:#1d4d7b; }
.terminal-head span:nth-child(2) { background:#2474ba; }
.terminal-head span:nth-child(3) { background:var(--accent-2); box-shadow:0 0 10px rgba(105,216,255,.65); }
.terminal-head strong { margin-left:auto; color:#60809c; font-size:.62rem; letter-spacing:.12em; }
.terminal-card p { margin:5px 0; color:#6f8ba3; }
.terminal-card p i { color:var(--accent-2); font-style:normal; }
.terminal-card p b { color:#b9ddff; font-weight:700; }
.terminal-cursor { width:9px; height:15px; margin-top:12px; background:var(--accent); box-shadow:0 0 12px rgba(47,140,255,.8); animation:cursor-blink 1.1s steps(1,end) infinite; }
.mesh { position: absolute; border: 1px solid rgba(47,140,255,.17); transform: rotate(28deg); }
.mesh--one { width: 460px; height: 460px; right: -90px; top: -80px; }
.mesh--two { width: 280px; height: 280px; left: 20%; bottom: -120px; border-color: rgba(255,255,255,.08); }
.app-shell { min-height: 100vh; }
.topbar { height: 78px; position: sticky; top: 0; z-index: 20; display: flex; justify-content: space-between; align-items: center; padding: 0 34px; border-bottom: 1px solid var(--line); background: rgba(5,8,15,.91); backdrop-filter: blur(18px); }
.brand-group { display: flex; align-items: center; gap: 20px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.status-pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; font-size: .74rem; font-weight: 700; }
.status-pill i, .live-indicator > span { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.status-pill--online i, .live-indicator--online > span { background: var(--green); box-shadow: 0 0 0 5px rgba(105,209,155,.12); }
.icon-button, .text-button { border: 1px solid var(--line); background: #0b121c; border-radius: 9px; cursor: pointer; }
.icon-button { width: 37px; height: 37px; font-size: 1.1rem; }
.text-button { padding: 10px 14px; font-size: .78rem; color: #c0c4c7; }
.layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); }
.sidebar { position: fixed; top: 78px; left: 0; bottom: 0; width: 220px; padding: 28px 18px; border-right: 1px solid var(--line); background: rgba(6,10,17,.93); display: flex; flex-direction: column; gap: 6px; }
.nav-item { border: 0; background: transparent; color: #80868b; text-align: left; border-radius: 10px; padding: 12px 14px; cursor: pointer; font-size: .85rem; font-weight: 700; display: flex; align-items: center; gap: 12px; }
.nav-item span { color: #60666b; width: 18px; text-align: center; }
.nav-item--active { background: var(--accent-soft); color: #fff; }
.nav-item--active span { color: var(--accent); }
.sidebar-foot { margin-top: auto; border-top: 1px solid var(--line); padding: 18px 10px 0; display: grid; gap: 5px; }
.sidebar-foot small { color: #656b70; text-transform: uppercase; font-size: .6rem; letter-spacing: .12em; }
.sidebar-foot span { color: #9ca1a5; font-size: .73rem; line-height: 1.4; }
.content { grid-column: 2; width: min(1440px, 100%); margin: 0 auto; padding: 50px clamp(26px, 4vw, 64px) 100px; }
.page-section { display: none; }
.page-section--active { display: block; }
.section-title { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 34px; }
.section-title h1 { font-size: clamp(2.1rem, 4vw, 3.5rem); letter-spacing: -.055em; margin: 0 0 10px; }
.section-title p:not(.eyebrow) { color: var(--muted); margin: 0; line-height: 1.6; }
.section-title.compact { align-items: flex-start; }
.live-indicator { display: flex; align-items: center; gap: 12px; border-left: 1px solid var(--line); padding-left: 24px; }
.live-indicator div { display: grid; gap: 3px; }
.live-indicator small { color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; }
.live-indicator strong { font-size: .82rem; }
.api-message { padding: 12px 16px; border: 1px solid rgba(240,140,135,.25); background: rgba(240,140,135,.08); border-radius: 10px; color: #ffc3bf; margin-bottom: 24px; }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 14px; }
.stat-card { min-height: 178px; border: 1px solid var(--line); background: linear-gradient(145deg, rgba(15,24,36,.96), rgba(7,12,20,.96)); border-radius: 14px; padding: 22px; position: relative; overflow: hidden; }
.stat-card::before { content:""; position:absolute; inset:0; pointer-events:none; background:linear-gradient(90deg,transparent,rgba(105,216,255,.035),transparent); transform:translateX(-100%); }
.stat-card--accent { border-top-color: rgba(47,140,255,.58); }
.stat-card--accent::after { content:""; position:absolute; width:140px; height:140px; border-radius:50%; background:rgba(47,140,255,.11); right:-50px; top:-60px; filter:blur(8px); }
.stat-icon { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 9px; background: var(--accent-soft); color: var(--accent); font-weight: 900; margin-bottom: 20px; }
.stat-card p { color: #a3a8ac; font-size: .78rem; margin: 0 0 7px; }
.stat-card strong { display: block; font-size: 2.1rem; letter-spacing: -.05em; margin-bottom: 7px; }
.stat-card small { color: #666d72; font-size: .69rem; }
.topology-card, .chart-card, .speed-card, .table-card, .notice-card, .privacy-grid article { border: 1px solid var(--line); background:linear-gradient(145deg,rgba(12,19,29,.96),rgba(7,12,20,.96)); border-radius: 14px; }
.topology-card { padding: 26px; margin-bottom: 14px; }
.card-heading { display: flex; justify-content: space-between; align-items: flex-start; }
.card-heading h2, .notice-card h2, .privacy-grid h2 { margin: 0; font-size: 1rem; }
.truth-badge { font-size: .66rem; color: #c0c5c8; border: 1px solid var(--line); padding: 7px 10px; border-radius: 999px; }
.topology { display: grid; grid-template-columns: 1fr 140px 1fr 140px 1fr; align-items: center; margin-top: 26px; }
.topology-node { display: flex; gap: 13px; align-items: center; padding: 16px; background: #0e1722; border: 1px solid var(--line); border-radius: 11px; }
.topology-node--primary { border-color: rgba(47,140,255,.34); box-shadow:inset 0 0 28px rgba(47,140,255,.045); }
.node-icon { width: 36px; height: 36px; display: grid; place-items: center; flex: 0 0 36px; border-radius: 10px; background: #202428; color: #cbd0d3; font-weight: 900; }
.topology-node--primary .node-icon { color: var(--accent); background: var(--accent-soft); }
.topology-node div { display: grid; gap: 2px; min-width: 0; }
.topology-node small, .topology-node em { color: #777e83; font-size: .62rem; font-style: normal; }
.topology-node strong { font-size: .85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topology-link { text-align: center; }
.topology-link span { display: block; height: 1px; background: linear-gradient(90deg, var(--line), var(--accent), var(--line)); }
.topology-link small { display: inline-block; color: #656c71; font-size: .58rem; margin-top: 7px; }
.split-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(250px, .7fr); gap: 14px; }
.chart-card, .speed-card { min-height: 330px; padding: 26px; }
.legend { display: flex; gap: 16px; font-size: .65rem; color: #8b9297; }
.legend span::before { content:""; width: 7px; height: 7px; display: inline-block; border-radius: 50%; margin-right: 6px; }
.legend-download::before { background: var(--accent); }
.legend-upload::before { background: var(--accent-2); }
.empty-chart { height: 230px; display: grid; place-content: center; text-align: center; color: #62696e; position: relative; overflow: hidden; }
.empty-chart strong { color: #a5aaae; font-size: .88rem; }
.empty-chart p { font-size: .68rem; margin: 6px 0 0; }
.empty-line { position: absolute; inset: 55px 0 auto; height: 120px; opacity: .3; background: repeating-linear-gradient(0deg, transparent 0 29px, var(--line) 30px), repeating-linear-gradient(90deg, transparent 0 79px, var(--line) 80px); }
.usage-chart { width: 100%; height: 230px; margin-top: 15px; }
.speed-card h2 { font-size: 3.4rem; margin: 34px 0 0; letter-spacing: -.06em; }
.speed-card > span { color: #737a7f; font-size: .72rem; }
.speed-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 32px 0 20px; }
.speed-row div { background: #171a1d; border-radius: 10px; padding: 13px; display: grid; gap: 4px; }
.speed-row small { color: #747b80; font-size: .65rem; }
.speed-row strong { font-size: .9rem; }
.card-note { color: #6c7378; font-size: .67rem; line-height: 1.5; }
.table-card { overflow: hidden; }
.table-head, .device-row { display: grid; grid-template-columns: 1.8fr .8fr .8fr 1.2fr; gap: 20px; align-items: center; padding: 16px 22px; }
.table-head { color: #656d72; background: #15181a; font-size: .63rem; text-transform: uppercase; letter-spacing: .1em; }
.device-row { border-top: 1px solid var(--line); font-size: .78rem; }
.device-main { display: grid; gap: 3px; }
.device-main small { color: #676e73; }
.device-status { color: var(--muted); }
.device-status--online { color: var(--green); }
.table-empty { padding: 70px 20px; text-align: center; color: #6b7277; }
.notice-card { display: flex; gap: 18px; padding: 28px; }
.notice-card > span { color: var(--accent); font-size: 1.6rem; }
.notice-card p { color: var(--muted); line-height: 1.6; margin: 8px 0 0; }
.privacy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.privacy-grid article { padding: 26px; }
.privacy-icon { width: 35px; height: 35px; display: grid; place-items: center; border-radius: 10px; background: #202428; margin-bottom: 22px; }
.privacy-icon--yes { color: var(--green); background: rgba(105,209,155,.11); }
.privacy-icon--no { color: var(--red); background: rgba(240,140,135,.11); }
.privacy-grid ul { color: #8b9297; padding-left: 18px; margin: 18px 0 0; line-height: 2; font-size: .78rem; }
@media (max-width: 1080px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-aside { display: none; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .topology { grid-template-columns: 1fr; gap: 10px; }
  .topology-link { display: none; }
  .split-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .topbar { padding: 0 16px; }
  .brand-group .brand-wordmark { font-size:1.22rem; }
  .status-pill, .text-button { display: none; }
  .layout { display: block; }
  .sidebar { position: fixed; z-index: 30; top: auto; left: 10px; right: 10px; bottom: 10px; width: auto; height: 64px; padding: 7px; flex-direction: row; border: 1px solid var(--line); border-radius: 16px; background: rgba(14,16,18,.94); backdrop-filter: blur(15px); }
  .nav-item { flex: 1; justify-content: center; padding: 8px; font-size: 0; }
  .nav-item span { font-size: 1.1rem; }
  .sidebar-foot { display: none; }
  .content { padding: 34px 16px 105px; }
  .section-title { align-items: flex-start; }
  .live-indicator { display: none; }
  .section-title h1 { font-size: 2.3rem; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-card { min-height: 148px; }
  .privacy-grid { grid-template-columns: 1fr; }
  .table-head { display: none; }
  .device-row { grid-template-columns: 1fr 1fr; }
  .login-card { padding: 30px 24px; }
  .brand-wordmark--login { margin-bottom: 44px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; animation:none !important; } }