:root {
  /* Brand */
  --color-brand: #e94560;
  --color-brand-dark: #c7384f;
  --color-brand-light: #ff6b81;

  /* Neutrals */
  --color-bg: #0f0f1a;
  --color-bg-elevated: #1a1a2e;
  --color-bg-card: #16213e;
  --color-bg-input: #1a1a2e;
  --color-surface: #222244;
  --color-border: #2a2a4a;
  --color-border-light: #3a3a5a;

  /* Text */
  --color-text: #f0f0f5;
  --color-text-secondary: #a0a0b8;
  --color-text-muted: #6a6a8a;
  --color-text-inverse: #0f0f1a;

  /* Status */
  --color-success: #2ecc71;
  --color-warning: #f39c12;
  --color-error: #e74c3c;
  --color-info: #3498db;

  /* Campaign status colors */
  --color-status-draft: #6a6a8a;
  --color-status-scheduled: #3498db;
  --color-status-active: #2ecc71;
  --color-status-paused: #f39c12;
  --color-status-expired: #e74c3c;
  --color-status-archived: #95a5a6;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(233, 69, 96, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --sidebar-width: 280px;
  --header-height: 64px;
}