:root {
  /* Colors - Premium Dark Theme */
  --color-bg: #0b0f19;
  --color-surface: #141b2d;
  --color-surface-hover: #1f2940;
  --color-primary: #00d2ff;
  --color-primary-dim: rgba(0, 210, 255, 0.2);
  --color-secondary: #3a7bd5;
  --color-text: #a0aec0;
  --color-text-bright: #ffffff;
  --color-border: #2d3748;

  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --line-height: 1.6;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 1rem;
  --spacing-4: 1.5rem;
  --spacing-5: 2rem;
  --spacing-6: 3rem;
  --spacing-8: 4rem;
  --spacing-12: 6rem;

  /* Utilities */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 15px var(--color-primary-dim);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}