:root {
  --bg: #f4f7fc;
  --bg-2: #edf2fa;
  --surface: rgba(255,255,255,.84);
  --surface-solid: #ffffff;
  --surface-soft: #f7f9fd;
  --text: #101a31;
  --muted: #67748b;
  --line: rgba(55,82,128,.14);
  --accent: #2878ff;
  --accent-2: #7b43ff;
  --accent-3: #a93dff;
  --good: #18bb77;
  --warning: #f6a623;
  --danger: #ff4d5d;
  --shadow: 0 28px 70px rgba(38,57,91,.14);
  --soft-shadow: 0 10px 30px rgba(38,57,91,.10);
}

html[data-theme="nebula"] {
  --bg:#050917; --bg-2:#09122a; --surface:rgba(8,16,39,.84); --surface-solid:#0b1430;
  --surface-soft:#101b3b; --text:#f5f7ff; --muted:#93a0bb; --line:rgba(113,148,255,.2);
  --accent:#299dff; --accent-2:#7250ff; --accent-3:#de43ff;
  --shadow:0 28px 75px rgba(0,0,0,.42); --soft-shadow:0 10px 30px rgba(0,0,0,.25);
}
html[data-theme="aurora"] {
  --bg:#031511; --bg-2:#06251f; --surface:rgba(5,35,29,.84); --surface-solid:#082d25;
  --surface-soft:#0b3a30; --text:#effff9; --muted:#94b7aa; --line:rgba(73,255,198,.18);
  --accent:#16d7ae; --accent-2:#36a6ff; --accent-3:#b6e94f;
  --shadow:0 28px 75px rgba(0,0,0,.4); --soft-shadow:0 10px 30px rgba(0,0,0,.24);
}
html[data-theme="quantum"] {
  --bg:#170811; --bg-2:#2a0b20; --surface:rgba(40,10,31,.84); --surface-solid:#351027;
  --surface-soft:#451632; --text:#fff4fb; --muted:#c9a5bc; --line:rgba(255,104,194,.2);
  --accent:#ff4fa3; --accent-2:#ff8a43; --accent-3:#995bff;
  --shadow:0 28px 75px rgba(0,0,0,.4); --soft-shadow:0 10px 30px rgba(0,0,0,.24);
}
html[data-theme="carbon"] {
  --bg:#111315; --bg-2:#1b1e21; --surface:rgba(29,32,35,.86); --surface-solid:#202428;
  --surface-soft:#292e33; --text:#f6f8fa; --muted:#a2abb4; --line:rgba(255,255,255,.11);
  --accent:#56d4ff; --accent-2:#a3ff6f; --accent-3:#f8cc5d;
  --shadow:0 28px 75px rgba(0,0,0,.4); --soft-shadow:0 10px 30px rgba(0,0,0,.25);
}

* { box-sizing:border-box; }
html { min-width:320px; }
body {
  margin:0;
  min-height:100vh;
  font-family:Inter,system-ui,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 74% 12%, color-mix(in srgb,var(--accent) 13%,transparent),transparent 28%),
    radial-gradient(circle at 94% 80%, color-mix(in srgb,var(--accent-3) 11%,transparent),transparent 26%),
    linear-gradient(135deg,var(--bg),var(--bg-2));
  transition:background .3s,color .3s;
  overflow-x:hidden;
}
button,input,select { font:inherit; }
button,select { cursor:pointer; }
.page-aura { position:fixed; width:360px;height:360px;border-radius:50%;filter:blur(110px);opacity:.15;pointer-events:none; }
.aura-one { left:-160px;top:-110px;background:var(--accent); }
.aura-two { right:-150px;bottom:-130px;background:var(--accent-3); }

.utility-bar {
  min-height:74px;
  padding:14px 20px;
  display:flex;
  flex-direction:column;
  gap:14px;
  align-items:stretch;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
  background:color-mix(in srgb,var(--surface) 72%,transparent);
  backdrop-filter:blur(18px);
  position:relative;
  z-index:20;
}
.mini-brand { display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-family:Rajdhani,sans-serif;font-size:22px;font-weight:700; }
.mini-brand img,
.dash-brand img,
.core-node img,
.main-logo {
  object-fit:contain;
  display:block;
  background:transparent;
  box-shadow:none;
  transform:translateY(2.1%);
}
.mini-brand img { width:34px;height:34px; }
.selectors { display:grid;grid-template-columns:1fr 1fr;gap:10px; }
.selectors label { display:grid;gap:5px;color:var(--muted);font-size:11px;font-weight:600; }
select {
  width:100%;
  color:var(--text);
  background:var(--surface-solid);
  border:1px solid var(--line);
  border-radius:11px;
  padding:10px 12px;
  outline:none;
}
.shell { display:grid;grid-template-columns:1fr;min-height:calc(100vh - 74px); }
.login-side {
  padding:38px 20px 32px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  border-bottom:1px solid var(--line);
}
.identity { text-align:center;max-width:460px; }
.main-logo {
  width:108px;
  height:108px;
  margin:0 auto;
  filter:none;
}
.identity h1 {
  margin:18px 0 10px;
  font-family:Rajdhani,sans-serif;
  font-size:clamp(30px,7vw,46px);
  line-height:.98;
  letter-spacing:-.02em;
}
.identity p { color:var(--muted);line-height:1.6;margin:0 auto 26px;max-width:420px; }
.login-card {
  width:min(100%,430px);
  padding:22px;
  border:1px solid var(--line);
  border-radius:20px;
  background:var(--surface);
  backdrop-filter:blur(20px);
  box-shadow:var(--soft-shadow);
}
.field { margin-bottom:18px; }
.field label { display:block;margin-bottom:8px;font-size:13px;font-weight:600; }
.input-shell {
  display:flex;align-items:center;gap:10px;
  border:1px solid var(--line);
  border-radius:12px;
  padding:0 13px;
  background:var(--surface-soft);
}
.input-shell:focus-within { border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 12%,transparent); }
.input-shell input { width:100%;height:48px;border:0;outline:0;background:transparent;color:var(--text); }
.field-icon { color:var(--accent); }
.plain-button { border:0;background:none;color:var(--muted); }
.login-options { display:flex;align-items:center;justify-content:space-between;gap:14px;margin:3px 0 20px;font-size:12px; }
.login-options a { color:var(--accent);text-decoration:none; }
.check-control { display:flex;align-items:center;gap:8px;color:var(--muted); }
.check-control input { display:none; }
.check-control span { width:18px;height:18px;border:1px solid var(--line);border-radius:5px;background:var(--surface-soft);position:relative; }
.check-control input:checked + span { background:var(--accent);border-color:var(--accent); }
.check-control input:checked + span::after { content:"✓";position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:12px; }
.primary-action,.secondary-action { width:100%;height:50px;border-radius:12px;display:flex;align-items:center;justify-content:center;gap:11px;font-weight:700; }
.primary-action { border:0;color:#fff;background:linear-gradient(100deg,var(--accent),var(--accent-2),var(--accent-3));box-shadow:0 14px 30px color-mix(in srgb,var(--accent) 23%,transparent); }
.secondary-action { border:1px solid var(--line);color:var(--text);background:var(--surface-soft); }
.separator { display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;color:var(--muted);font-size:11px;margin:17px 0; }
.separator::before,.separator::after { content:"";height:1px;background:var(--line); }
.security-note { color:var(--muted);font-size:10px;text-align:center;margin:18px 0 0; }

.showcase-side { padding:28px 16px;display:flex;flex-direction:column;justify-content:center;min-width:0; }
.carousel-frame { padding:9px;border:1px solid var(--line);border-radius:23px;background:var(--surface);box-shadow:var(--shadow); }
.carousel { position:relative;min-height:560px;border-radius:17px;overflow:hidden;background:var(--surface-solid); }
.slide { position:absolute;inset:0;opacity:0;transform:translateX(25px) scale(.99);transition:.5s ease;pointer-events:none; }
.slide.active { opacity:1;transform:none;pointer-events:auto; }
.dashboard { height:100%;display:grid;grid-template-columns:68px 1fr;background:var(--surface-solid); }
.dash-sidebar { border-right:1px solid var(--line);padding:16px 8px; }
.dash-brand { display:flex;justify-content:center;align-items:center;margin-bottom:20px; }
.dash-brand img { width:28px;height:28px; }
.dash-brand strong { display:none;font-family:Rajdhani,sans-serif;font-size:22px; }
.dash-sidebar nav { display:grid;gap:7px; }
.dash-sidebar nav button { border:0;border-radius:9px;padding:10px 8px;background:transparent;color:var(--muted);text-align:left;white-space:nowrap;overflow:hidden; }
.dash-sidebar nav button span { display:none; }
.dash-sidebar nav button.active { color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent); }
.dash-main { padding:16px;overflow:hidden; }
.dash-header { display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:14px; }
.dash-header h2 { margin:0;font-family:Rajdhani,sans-serif;font-size:19px; }
.dash-header p { margin:3px 0 0;color:var(--muted);font-size:10px; }
.system-ok { display:none;align-items:center;gap:6px;color:var(--muted);font-size:10px; }
.system-ok i { width:8px;height:8px;border-radius:50%;background:var(--good);box-shadow:0 0 0 4px color-mix(in srgb,var(--good) 15%,transparent); }
.metrics { display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-bottom:10px; }
.metrics div { min-width:0;padding:10px;border:1px solid var(--line);border-radius:10px;background:var(--surface-soft); }
.metrics small { display:block;color:var(--muted);font-size:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
.metrics strong { display:block;font-size:17px;margin:4px 0 2px; }
.metrics em { color:var(--good);font-style:normal;font-size:8px; }
.metrics .danger { color:var(--danger); }
.dashboard-grid { display:grid;grid-template-columns:1fr;gap:9px; }
.panel { border:1px solid var(--line);border-radius:12px;background:var(--surface-soft);padding:12px;min-width:0; }
.panel h3 { margin:0 0 10px;font-family:Rajdhani,sans-serif;font-size:14px; }
.health-panel { display:none; }
.donut { width:84px;height:84px;border-radius:50%;margin:5px auto;background:conic-gradient(var(--good) 0 91%,var(--warning) 91% 96%,var(--danger) 96%);display:grid;place-items:center;position:relative; }
.donut::before { content:"";position:absolute;width:60px;height:60px;border-radius:50%;background:var(--surface-solid); }
.donut span { position:relative;text-align:center;font-weight:700; }
.donut small { display:block;color:var(--muted);font-size:7px;font-weight:500; }
.healthy { text-align:center;color:var(--good);font-weight:700;font-size:11px;margin:7px 0 0; }
.topology-panel { min-height:260px; }
.topology { height:215px;position:relative; }
.core-node { position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:78px;height:78px;border:2px solid var(--accent);border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--surface-solid);box-shadow:0 0 30px color-mix(in srgb,var(--accent) 18%,transparent);z-index:2; }
.core-node img { width:28px;height:28px; }
.core-node strong { font-size:11px; }
.core-node small { font-size:6px;color:var(--muted); }
.node { position:absolute;font-size:7px;padding:5px 7px;border:1px solid var(--line);border-radius:7px;background:var(--surface-solid); }
.n1{left:2%;top:9%}.n2{left:35%;top:2%}.n3{right:20%;top:6%}.n4{right:1%;top:28%}.n5{right:3%;bottom:18%}.n6{right:31%;bottom:3%}.n7{left:35%;bottom:0}.n8{left:2%;bottom:20%}
.instance-panel,.alerts-panel,.resources-panel { display:none; }
.big-number { font-size:28px; }
.instance-panel ul,.alerts-panel ul { list-style:none;padding:0;margin:10px 0 0;display:grid;gap:9px;font-size:10px; }
.instance-panel li,.alerts-panel li { display:flex;align-items:center;gap:7px; }
.instance-panel i,.alerts-panel i { width:7px;height:7px;border-radius:50%;flex:0 0 auto; }
.green{background:var(--good)}.yellow{background:var(--warning)}.red{background:var(--danger)}
.alerts-panel li span { flex:1; }
.alerts-panel small { color:var(--muted); }
.resource { display:grid;grid-template-columns:55px 1fr;gap:8px;align-items:center;margin:11px 0;font-size:9px; }
.resource b { position:relative;font-weight:600;text-align:right; }
.resource b::before { content:"";position:absolute;left:0;right:40px;top:50%;height:4px;border-radius:9px;background:linear-gradient(90deg,var(--accent) var(--w),color-mix(in srgb,var(--line) 70%,transparent) var(--w)); }

.feature-slide { display:grid;place-items:center;padding:38px;background:radial-gradient(circle at 50% 35%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 35%),var(--surface-solid); }
.feature-content { max-width:760px;text-align:center; }
.feature-kicker { color:var(--accent);font-size:11px;letter-spacing:.17em;font-weight:700; }
.feature-content h2 { font-family:Rajdhani,sans-serif;font-size:clamp(34px,5vw,64px);line-height:.95;margin:15px 0; }
.feature-content p { color:var(--muted);line-height:1.65;max-width:650px;margin:0 auto 30px; }
.service-cloud { display:flex;flex-wrap:wrap;justify-content:center;gap:10px; }
.service-cloud span { padding:11px 15px;border:1px solid var(--line);border-radius:12px;background:var(--surface-soft);box-shadow:var(--soft-shadow); }
.audit-stream { display:grid;gap:10px;max-width:700px;margin:auto;text-align:left; }
.audit-stream div { display:grid;grid-template-columns:80px 1fr auto;gap:12px;padding:14px;border:1px solid var(--line);border-radius:12px;background:var(--surface-soft);font-size:12px; }
.audit-stream b { color:var(--accent); }
.audit-stream em { color:var(--good);font-style:normal;font-weight:700; }

.carousel-arrow { position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--text);box-shadow:var(--soft-shadow); }
.previous{left:10px}.next{right:10px}
.carousel-dots { position:absolute;bottom:11px;left:50%;transform:translateX(-50%);z-index:5;display:flex;gap:7px; }
.carousel-dots button { width:8px;height:8px;padding:0;border:0;border-radius:50%;background:color-mix(in srgb,var(--muted) 35%,transparent); }
.carousel-dots button.active { width:22px;border-radius:9px;background:var(--accent); }

.showcase-footer { margin-top:16px;padding:16px;border:1px solid var(--line);border-radius:17px;background:var(--surface);display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;box-shadow:var(--soft-shadow); }
.footer-icon { width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2)); }
.showcase-footer strong { font-size:12px; }
.showcase-footer p { margin:5px 0 0;color:var(--muted);font-size:10px; }
.tech-tags { grid-column:1/-1;display:flex;flex-wrap:wrap;gap:6px; }
.tech-tags span { padding:5px 8px;border:1px solid var(--line);border-radius:7px;background:var(--surface-soft);font-size:8px; }
.toast { position:fixed;right:20px;bottom:20px;z-index:100;padding:13px 16px;border:1px solid var(--line);border-radius:12px;background:var(--surface-solid);box-shadow:var(--shadow);opacity:0;transform:translateY(14px);transition:.25s;pointer-events:none; }
.toast.show { opacity:1;transform:none; }

@media (min-width:720px) {
  .utility-bar { flex-direction:row;align-items:center;padding-inline:30px; }
  .selectors { display:flex; }
  .selectors label { grid-template-columns:auto 140px;align-items:center; }
  .login-side { padding:52px 40px; }
  .showcase-side { padding:36px 28px; }
  .carousel { min-height:650px; }
  .dashboard { grid-template-columns:165px 1fr; }
  .dash-sidebar { padding:18px 12px; }
  .dash-brand { justify-content:flex-start;gap:8px; }
  .dash-brand strong,.dash-sidebar nav button span { display:inline; }
  .dash-main { padding:20px; }
  .system-ok { display:flex; }
  .metrics { grid-template-columns:repeat(3,1fr); }
  .dashboard-grid { grid-template-columns:1fr 1.7fr; }
  .health-panel,.instance-panel,.alerts-panel,.resources-panel { display:block; }
  .topology-panel { grid-row:span 2; }
}

@media (min-width:1180px) {
  .utility-bar { height:78px;padding-inline:42px; }
  .shell { grid-template-columns:minmax(390px,29%) 1fr;min-height:calc(100vh - 78px); }
  .login-side { border-bottom:0;border-right:1px solid var(--line);padding:48px 38px; }
  .identity h1 { font-size:42px; }
  .main-logo { width:116px;height:116px; }
  .showcase-side { padding:28px 32px; }
  .carousel { min-height:640px; }
  .metrics { grid-template-columns:repeat(6,1fr); }
  .dashboard-grid { grid-template-columns:1fr 1.9fr 1fr;grid-template-rows:1.25fr 1fr; }
  .topology-panel { grid-column:2;grid-row:1; }
  .instance-panel { grid-column:3;grid-row:1; }
  .alerts-panel { grid-column:1;grid-row:2; }
  .resources-panel { grid-column:2/4;grid-row:2; }
  .showcase-footer { grid-template-columns:auto 1fr auto; }
  .tech-tags { grid-column:auto;justify-content:flex-end; }
}

/* ── Authenticated state ────────────────────────────────── */
body.authenticated .login-side { display:none; }
body.authenticated .shell { grid-template-columns:1fr; }
body.authenticated .showcase-side { flex:1; }

/* User pill in utility-bar */
.user-pill {
  display:none;
  align-items:center;
  gap:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 6px 4px 6px;
}
body.authenticated .user-pill { display:flex; }
.user-avatar {
  width:28px;height:28px;border-radius:50%;
  background:var(--accent);
  color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.user-name { font-size:13px;font-weight:600;padding:0 4px; }
.logout-btn {
  background:none;border:none;cursor:pointer;
  color:var(--muted);font-size:16px;padding:0 4px;
  line-height:1;
}
.logout-btn:hover { color:var(--danger); }

/* Login error state */
.login-card .field-error { border-color:var(--danger) !important; }
.login-card .error-msg { color:var(--danger);font-size:12px;margin-top:4px; }

@media (min-width:1500px) {
  .shell { grid-template-columns:430px 1fr; }
  .showcase-side { padding:30px 38px; }
  .carousel { min-height:690px; }
}