:root {
  color-scheme: dark;
}

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.card {
  background: rgba(30, 41, 59, 0.65);
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-radius: 1rem;
  backdrop-filter: blur(6px);
}

.chart-box {
  position: relative;
  height: 260px;
}

.gauge-box {
  position: relative;
  height: 160px;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 4px;
}