:root {
  --panel-bg: rgba(15, 31, 43, 0.85);
  --panel-border: rgba(43, 231, 207, 0.25);
  --muted: #9db6c9;
}

body {
  background:
    radial-gradient(circle at 15% 20%, rgba(43, 231, 207, 0.14), transparent 30%),
    radial-gradient(circle at 82% 12%, rgba(255, 140, 66, 0.15), transparent 28%),
    linear-gradient(180deg, #08131f 0%, #070f19 100%);
}

.bg-grid {
  background-image:
    linear-gradient(rgba(125, 211, 252, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(125, 211, 252, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
}

.panel-card {
  border: 1px solid var(--panel-border);
  background: var(--panel-bg);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.panel-title {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #9eeef0;
}

.control-row {
  display: grid;
  gap: 0.35rem;
}

.control-input {
  border: 1px solid rgba(45, 212, 191, 0.35);
  background: rgba(3, 10, 16, 0.65);
  color: #dffafe;
  border-radius: 0.6rem;
  padding: 0.55rem 0.65rem;
}

.cta-primary,
.cta-secondary {
  border-radius: 0.65rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.cta-primary {
  background: linear-gradient(90deg, #0ea5a2 0%, #22d3ee 100%);
  color: #062127;
}

.cta-secondary {
  border: 1px solid rgba(103, 232, 249, 0.35);
  background: rgba(15, 23, 42, 0.6);
  color: #d0f4ff;
}

.stat-card {
  border: 1px solid rgba(148, 163, 184, 0.25);
  background: rgba(7, 22, 34, 0.82);
  border-radius: 0.85rem;
  padding: 0.75rem;
}

.stat-card span {
  display: block;
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-card strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 1.1rem;
  color: #dcffff;
}

.meter {
  margin-top: 0.5rem;
  width: 100%;
  height: 0.3rem;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.16);
  overflow: hidden;
}

.meter-fill {
  width: 0%;
  height: 100%;
  border-radius: 9999px;
  background: linear-gradient(90deg, #22d3ee 0%, #5eead4 100%);
  transition: width 160ms linear;
}

.meter-fill.hot {
  background: linear-gradient(90deg, #fb923c 0%, #facc15 100%);
}

.viz-card {
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: rgba(3, 12, 20, 0.9);
  border-radius: 0.9rem;
  padding: 0.8rem;
}

.viz-card h3 {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #9ef9e9;
  margin-bottom: 0.45rem;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.5rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: #04080f;
}

.badge-pill {
  border: 1px solid rgba(45, 212, 191, 0.4);
  border-radius: 9999px;
  padding: 0.3rem 0.65rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #aaf3f5;
  background: rgba(10, 28, 39, 0.75);
}

.badge-pill[data-backend="RUST LIVE"] {
  border-color: rgba(34, 197, 94, 0.6);
  color: #bbf7d0;
  background: rgba(8, 42, 24, 0.78);
}

.badge-pill[data-backend="CONNECTING"] {
  border-color: rgba(56, 189, 248, 0.6);
  color: #bae6fd;
  background: rgba(8, 29, 45, 0.8);
}

.badge-pill[data-backend="LOCAL FALLBACK"],
.badge-pill[data-backend="FILE MODE"],
.badge-pill[data-backend="RUST STALE"] {
  border-color: rgba(251, 146, 60, 0.6);
  color: #fed7aa;
  background: rgba(53, 25, 6, 0.8);
}