:root {
  --background: 222 47% 98%;
  --foreground: 222 30% 14%;
  --primary: 212 82% 47%;
  --secondary: 160 61% 42%;
  --muted: 220 22% 94%;
  --destructive: 2 76% 54%;
  --border: 220 17% 86%;
  --card: 0 0% 100%;
  --shadow-sm: 0 10px 20px -16px hsla(218, 80%, 20%, 0.22);
  --shadow-md: 0 18px 40px -18px hsla(218, 80%, 20%, 0.24);
  --shadow-lg: 0 24px 64px -24px hsla(212, 82%, 40%, 0.35);
  --transition-fast: all 120ms ease;
  --transition-smooth: all 220ms ease;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

.dark {
  --background: 224 35% 10%;
  --foreground: 210 20% 96%;
  --primary: 207 90% 60%;
  --secondary: 160 72% 48%;
  --muted: 223 24% 16%;
  --destructive: 4 82% 62%;
  --border: 224 18% 24%;
  --card: 224 28% 12%;
  --shadow-sm: 0 12px 24px -18px hsla(0, 0%, 0%, 0.65);
  --shadow-md: 0 18px 42px -16px hsla(0, 0%, 0%, 0.7);
  --shadow-lg: 0 30px 70px -22px hsla(0, 0%, 0%, 0.8);
}

html, body, #root {
  min-height: 100%;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top right, hsla(212, 82%, 47%, 0.10), transparent 28%),
    radial-gradient(circle at bottom left, hsla(160, 61%, 42%, 0.08), transparent 30%),
    hsl(var(--background));
}

.card-surface {
  background: hsl(var(--card));
  border: 1px solid hsl(var(--border));
  box-shadow: var(--shadow-sm);
  border-radius: var(--radius-lg);
}

.glass-surface {
  background: linear-gradient(180deg, hsla(0,0%,100%,0.75), hsla(0,0%,100%,0.96));
  border: 1px solid hsl(var(--border));
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
}

.dark .glass-surface {
  background: linear-gradient(180deg, hsla(224,28%,12%,0.85), hsla(224,28%,12%,0.98));
}

.focus-ring:focus,
.focus-ring:focus-visible,
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid hsla(212, 82%, 47%, 0.28);
  outline-offset: 2px;
}

input, select {
  transition: var(--transition-fast);
}

input:hover, select:hover {
  border-color: hsla(212, 82%, 47%, 0.35);
}

* {
  scrollbar-width: thin;
  scrollbar-color: hsla(212,82%,47%,0.35) transparent;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: hsla(212,82%,47%,0.35);
  border-radius: 999px;
}

.recharts-cartesian-axis-tick-value,
.recharts-legend-item-text {
  fill: hsl(var(--foreground));
}

.recharts-tooltip-wrapper .recharts-default-tooltip {
  border-radius: 14px !important;
  border: 1px solid hsl(var(--border)) !important;
  background: hsl(var(--card)) !important;
  box-shadow: var(--shadow-md) !important;
}

@media print {
  body {
    background: white;
  }
  .no-print {
    display: none !important;
  }
}