:root {
  --bg: #0a0e14;
  --bg-panel: #121820;
  --bg-elevated: #1a2230;
  --border: #2a3548;
  --text: #e8edf5;
  --muted: #8b9cb3;
  --accent: #e63946;
  --accent-dim: #b82d38;
  --up: #2dd4a8;
  --degraded: #f5a623;
  --down: #ef4444;
  --unknown: #6b7a90;
  --mesh: #6c9eff;
  --radius: 12px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

.bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(230, 57, 70, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 57, 70, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
}

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tagline {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge {
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-loading { background: var(--bg-elevated); color: var(--muted); }
.badge-healthy { background: rgba(45, 212, 168, 0.15); color: var(--up); border: 1px solid rgba(45, 212, 168, 0.35); }
.badge-degraded { background: rgba(245, 166, 35, 0.15); color: var(--degraded); border: 1px solid rgba(245, 166, 35, 0.35); }
.badge-critical { background: rgba(239, 68, 68, 0.15); color: var(--down); border: 1px solid rgba(239, 68, 68, 0.35); }

.btn-ghost {
  font-family: inherit;
  font-size: 0.85rem;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.btn-ghost:hover {
  background: var(--bg-elevated);
  border-color: var(--muted);
}

.container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}

.panel-head {
  margin-bottom: 1.25rem;
}

.panel-head h2 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  font-weight: 600;
}

.muted { color: var(--muted); font-size: 0.875rem; }
.mono { font-family: var(--mono); font-size: 0.8rem; }

.nodes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.node-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--unknown);
}

.node-card.state-up { border-left-color: var(--up); }
.node-card.state-degraded { border-left-color: var(--degraded); }
.node-card.state-down { border-left-color: var(--down); }

.node-card h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.node-role { font-size: 0.8rem; color: var(--muted); margin-bottom: 0.75rem; }

.state-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--unknown);
  flex-shrink: 0;
}

.state-up .state-dot { background: var(--up); box-shadow: 0 0 8px var(--up); }
.state-degraded .state-dot { background: var(--degraded); }
.state-down .state-dot { background: var(--down); }

.node-ips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.ip-chip {
  font-family: var(--mono);
  font-size: 0.72rem;
  padding: 0.2rem 0.5rem;
  background: var(--bg);
  border-radius: 4px;
  color: var(--muted);
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8rem;
}

.check-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.3rem 0;
  border-top: 1px solid var(--border);
}

.check-ok { color: var(--up); }
.check-fail { color: var(--down); }

.skeleton-card {
  height: 160px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--bg-elevated) 25%, #222c3c 50%, var(--bg-elevated) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

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

.failover-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.failover-table th,
.failover-table td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.failover-table th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.active-pill {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(45, 212, 168, 0.12);
  color: var(--up);
}

.active-pill.failover {
  background: rgba(245, 166, 35, 0.12);
  color: var(--degraded);
}

.active-pill.down {
  background: rgba(239, 68, 68, 0.12);
  color: var(--down);
}

.filters {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.filters input,
.filters select {
  font-family: inherit;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.filters input { flex: 1; min-width: 180px; }

.category {
  margin-bottom: 1.5rem;
}

.category-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
}

.service-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  transition: border-color 0.15s, transform 0.15s;
}

.service-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.service-card.disabled {
  opacity: 0.55;
  pointer-events: none;
  cursor: default;
}

.service-card h4 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
}

.service-host {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
  word-break: break-all;
}

.service-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.svc-badge {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.svc-live { background: rgba(45, 212, 168, 0.15); color: var(--up); }
.svc-planned { background: rgba(107, 122, 144, 0.2); color: var(--muted); }
.svc-mesh { background: rgba(108, 158, 255, 0.15); color: var(--mesh); }

.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}

.footer p { margin: 0; }

@media (max-width: 600px) {
  .header-inner { padding: 0.85rem 1rem; }
  .container { padding: 1rem; }
}