:root {
  /* Colors - Primary */
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --primary-dark: #4834d4;
  --primary-rgb: 108, 92, 231;

  /* Colors - Secondary */
  --secondary: #00cec9;
  --secondary-light: #81ecec;
  --secondary-dark: #00b894;

  /* Colors - Accent */
  --accent: #fd79a8;
  --accent-light: #fab1a0;
  --accent-dark: #e84393;

  /* Colors - Status */
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #d63031;
  --info: #0984e3;

  /* Colors - Neutral */
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #868e96;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --black: #000000;

  /* Colors - Background */
  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-tertiary: #16213e;
  --bg-card: #1e1e3a;
  --bg-card-hover: #2a2a4a;
  --bg-overlay: rgba(0, 0, 0, 0.7);

  /* Colors - Text */
  --text-primary: #ffffff;
  --text-secondary: #b2b2d8;
  --text-muted: #6c6c9c;
  --text-link: #6c5ce7;

  /* Colors - Gold/Coin */
  --gold: #f9ca24;
  --gold-light: #ffeaa7;
  --gold-dark: #f0932b;

  /* Typography */
  --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --font-game: 'Press Start 2P', 'Courier New', 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;

  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(108, 92, 231, 0.3);
  --shadow-glow-accent: 0 0 20px rgba(253, 121, 168, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-spring: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-tooltip: 600;
  --z-overlay: 700;

  /* Layout */
  --container-max: 1400px;
  --header-height: 64px;
  --sidebar-width: 280px;
  --game-card-ratio: 16 / 9;

  /* Breakpoints (for reference - used in media queries) */
  /* --bp-mobile: 599px */
  /* --bp-tablet: 1023px */
  /* --bp-desktop: 1024px */
  /* --bp-wide: 1440px */
}

/* Dark theme is default, light theme override */
[data-theme="light"] {
  --bg-primary: #f8f9fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f3f5;
  --bg-card: #ffffff;
  --bg-card-hover: #f8f9fa;
  --text-primary: #212529;
  --text-secondary: #495057;
  --text-muted: #868e96;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}