:root {
  /* Color Palette - Dark Mode Focus */
  --color-bg-dark: #0a0e27;
  --color-bg-darker: #050714;
  --color-bg-card: rgba(20, 25, 60, 0.6);
  --color-text-main: #e0e6ed;
  --color-text-muted: #94a3b8;

  /* Accent Colors */
  --color-primary: hsl(210, 100%, 60%);
  /* Cyber Blue */
  --color-secondary: hsl(330, 100%, 60%);
  /* Neon Pink */
  --color-accent: hsl(160, 100%, 50%);
  /* Matrix Green */
  --color-danger: hsl(0, 100%, 65%);
  --color-warning: hsl(40, 100%, 60%);

  /* Gradients */
  --gradient-main: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-dark: linear-gradient(to bottom, var(--color-bg-darker), var(--color-bg-dark));

  /* Typography */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --font-code: 'Fira Code', monospace;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(10px);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Animation */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Layout */
  --container-width: 1200px;
  --header-height: 80px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

/* Light Mode Overrides (Optional / Future use) */
/* Light Mode Overrides */
[data-theme="light"] {
  --color-bg-dark: #f0f4f8;
  --color-bg-darker: #ffffff;
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-bg-card: rgba(255, 255, 255, 0.7);

  --glass-bg: rgba(255, 255, 255, 0.5);
  --glass-border: rgba(0, 0, 0, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);

  --gradient-dark: linear-gradient(to bottom, #ffffff, #f0f4f8);
}