/* Design Tokens */
:root {
  /* Colours */
  --bg-primary: #0A0A0A;
  --bg-secondary: #111111;
  --bg-tertiary: #1A1A1A;
  --bg-elevated: #222222;
  --text-primary: #FFFFFF;
  --text-secondary: #999999;
  --text-muted: #666666;
  --accent: #FFB800;
  --accent-hover: #FF6B3D;
  --accent-dim: rgba(232, 85, 46, 0.15);
  --lock-active: #00FF88;
  --lock-dim: rgba(0, 255, 136, 0.15);
  --warning: #FF4444;
  --border: #2A2A2A;
  --border-light: #333333;

  /* Typography */
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs: 0.6875rem;
  --text-sm: 0.8125rem;
  --text-base: 1rem;
  --text-lg: 1.25rem;
  --text-xl: 1.5rem;
  --text-2xl: 2rem;
  --text-3xl: 2.5rem;
  --text-4xl: 3.5rem;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-bold: 700;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Z-index */
  --z-viewfinder: 1;
  --z-hud: 10;
  --z-controls: 20;
  --z-overlay: 30;
  --z-modal: 40;
  --z-toast: 50;

  /* Safe areas */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);

  /* Transitions */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}