:root {
  /* Quantic Telecom Brand Colors */
  --background: oklch(0.9800 0.0050 240);
  --foreground: oklch(0.1500 0.0100 240);
  --card: oklch(1.0000 0 0);
  --card-foreground: oklch(0.1500 0.0100 240);
  --popover: oklch(1.0000 0 0);
  --popover-foreground: oklch(0.1500 0.0100 240);
  
  /* Primary - Telecom Blue */
  --primary: oklch(0.4800 0.2000 240);
  --primary-foreground: oklch(0.9800 0.0050 240);
  --primary-hover: oklch(0.4200 0.2200 240);
  
  /* Secondary - Tech Gray */
  --secondary: oklch(0.9200 0.0100 240);
  --secondary-foreground: oklch(0.2500 0.0150 240);
  
  /* Accent - Electric Blue */
  --accent: oklch(0.6500 0.2800 220);
  --accent-foreground: oklch(0.9800 0.0050 240);
  
  /* Muted tones */
  --muted: oklch(0.9600 0.0080 240);
  --muted-foreground: oklch(0.4500 0.0120 240);
  
  /* Success/Error states */
  --success: oklch(0.5500 0.2000 140);
  --success-foreground: oklch(0.9800 0.0050 140);
  --destructive: oklch(0.5500 0.2200 20);
  --destructive-foreground: oklch(0.9800 0.0050 20);
  
  /* Borders and inputs */
  --border: oklch(0.8800 0.0150 240);
  --input: oklch(0.9600 0.0080 240);
  --ring: oklch(0.4800 0.2000 240);
  
  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-serif: 'Inter', 'Segoe UI', system-ui, serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing and layout */
  --radius: 0.5rem;
  --spacing: 1rem;
  
  /* Modern shadows for depth */
  --shadow-xs: 0 1px 3px 0 hsl(240 25% 3% / 0.06);
  --shadow-sm: 0 1px 3px 0 hsl(240 25% 3% / 0.08), 0 1px 2px -1px hsl(240 25% 3% / 0.08);
  --shadow: 0 4px 8px -2px hsl(240 25% 3% / 0.08), 0 2px 4px -2px hsl(240 25% 3% / 0.06);
  --shadow-md: 0 8px 16px -4px hsl(240 25% 3% / 0.08), 0 4px 6px -2px hsl(240 25% 3% / 0.06);
  --shadow-lg: 0 16px 24px -4px hsl(240 25% 3% / 0.08), 0 8px 8px -4px hsl(240 25% 3% / 0.04);
  --shadow-xl: 0 20px 32px -8px hsl(240 25% 3% / 0.12), 0 8px 16px -8px hsl(240 25% 3% / 0.08);
  
  /* Gradients for modern appeal */
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  --gradient-background: linear-gradient(135deg, oklch(0.9900 0.0030 240) 0%, oklch(0.9700 0.0080 220) 100%);
  
  /* Grid overlay for tech aesthetic */
  --grid-color: oklch(0.9400 0.0100 240);
  
  /* Glass morphism effects */
  --glass-bg: oklch(1.0000 0 0 / 0.70);
  --glass-border: oklch(0.9000 0.0200 240 / 0.20);
  --glass-backdrop: blur(12px) saturate(180%);

  --radius-sm: calc(var(--radius) - 2px);
  --radius-md: var(--radius);
  --radius-lg: calc(var(--radius) + 4px);
  --radius-xl: calc(var(--radius) + 8px);
}