:root {
  --bg: #07111f;
  --surface: #0f1c2e;
  --surface-2: #14253a;
  --line: #27415f;
  --text: #e6eef9;
  --muted: #9ab0c9;
  --primary: #00b4d8;
  --primary-2: #1d4ed8;
  --warning: #f97316;
  --danger: #ef4444;
  --success: #10b981;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: radial-gradient(circle at 10% 5%, #14324e 0%, var(--bg) 45%);
  color: var(--text);
  min-height: 100vh;
}

a {
  color: var(--primary);
}

.shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 18px 30px;
}

.topbar {
  background: linear-gradient(130deg, #0f1c2e 0%, #1b3350 65%, #2f3f5f 100%);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(6px);
}

.topbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 18px;
  display: flex;
  gap: 18px;
  align-items: center;
}

.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 250px;
}

.logo-wrap img {
  width: 172px;
  height: auto;
}

.brand-mini {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 14px;
}

.nav-links a:hover,
.nav-links a.active {
  border-color: var(--line);
  background: rgba(0, 180, 216, 0.14);
}

.mode-pill {
  margin-left: auto;
  padding: 6px 10px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
}

.mode-pill.demo {
  color: #facc15;
  border-color: #a16207;
  background: rgba(161, 98, 7, 0.25);
}

.mode-pill.live {
  color: #86efac;
  border-color: #166534;
  background: rgba(22, 101, 52, 0.2);
}

.page-head {
  margin: 24px 0 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.page-head h1 {
  margin: 0;
  font-size: 30px;
}

.page-head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.card {
  background: linear-gradient(160deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.kpi-label {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.kpi-value {
  margin-top: 6px;
  font-size: 32px;
  font-weight: 700;
}

.layout-2 {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

.layout-2 .card,
.layout-3 .card {
  min-height: 140px;
}

.layout-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.card h2,
.card h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.table-wrap {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 10px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.table th {
  color: var(--muted);
  text-align: left;
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid transparent;
}

.badge.online {
  background: rgba(16, 185, 129, 0.16);
  border-color: rgba(16, 185, 129, 0.45);
  color: #6ee7b7;
}

.badge.offline {
  background: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.46);
  color: #fca5a5;
}

.badge.warning {
  background: rgba(249, 115, 22, 0.2);
  border-color: rgba(249, 115, 22, 0.45);
  color: #fdba74;
}

.badge.critical {
  background: rgba(239, 68, 68, 0.25);
  border-color: rgba(248, 113, 113, 0.6);
  color: #fecaca;
}

.badge.info {
  background: rgba(59, 130, 246, 0.2);
  border-color: rgba(96, 165, 250, 0.5);
  color: #bfdbfe;
}

.note {
  color: var(--muted);
  font-size: 13px;
}

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: rgba(0, 180, 216, 0.15);
  color: var(--text);
  text-decoration: none;
  padding: 9px 12px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}

.btn:hover {
  background: rgba(0, 180, 216, 0.26);
}

.btn.secondary {
  background: rgba(15, 28, 46, 0.7);
}

.input,
.select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: #0d1929;
  color: var(--text);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.footer {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  padding: 14px 0 6px;
  color: var(--muted);
  font-size: 13px;
}

.hero {
  background: linear-gradient(150deg, rgba(0, 180, 216, 0.1), rgba(249, 115, 22, 0.1));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 14px;
}

.hero .title {
  font-size: 22px;
  margin: 0;
}

.hero .subtitle {
  margin-top: 6px;
  color: var(--muted);
}

@media (max-width: 990px) {
  .layout-2,
  .layout-3 {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar-inner {
    flex-wrap: wrap;
  }

  .mode-pill {
    margin-left: 0;
  }
}