:root {
  /* Primary Colors - Casino Theme */
  --color-primary: #640D5F;
  --color-secondary: #B12C00;
  --color-accent: #EB5B00;
  --color-gold: #FFCC00;
  --color-gold-light: #FFE066;
  --color-gold-dark: #D4A800;

  /* RGB values for rgba usage */
  --color-primary-rgb: 100, 13, 95;
  --color-secondary-rgb: 177, 44, 0;
  --color-accent-rgb: 235, 91, 0;
  --color-gold-rgb: 255, 204, 0;

  /* Dark Theme Backgrounds */
  --color-bg-darkest: #0a0a0f;
  --color-bg-dark: #0f0f18;
  --color-bg: #121220;
  --color-bg-light: #1a1a2e;
  --color-bg-card: #1e1e32;
  --color-bg-card-hover: #252542;
  --color-bg-elevated: #2a2a45;

  /* Text Colors */
  --color-text: #ffffff;
  --color-text-secondary: #c0c0d0;
  --color-text-muted: #8888a0;
  --color-text-dark: #0a0a0f;

  /* Border & Divider */
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-light: rgba(255, 255, 255, 0.12);
  --color-divider: rgba(255, 255, 255, 0.05);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #640D5F 0%, #8B1A7A 100%);
  --gradient-accent: linear-gradient(135deg, #EB5B00 0%, #FF7A1A 100%);
  --gradient-gold: linear-gradient(135deg, #FFCC00 0%, #FFE066 50%, #FFCC00 100%);
  --gradient-cta: linear-gradient(135deg, #EB5B00 0%, #FFCC00 100%);
  --gradient-hero: linear-gradient(180deg, rgba(100, 13, 95, 0.3) 0%, rgba(10, 10, 15, 0.95) 100%);
  --gradient-card: linear-gradient(180deg, rgba(30, 30, 50, 0.8) 0%, rgba(20, 20, 35, 0.95) 100%);

  /* Glows */
  --glow-primary: 0 0 30px rgba(100, 13, 95, 0.4);
  --glow-accent: 0 0 30px rgba(235, 91, 0, 0.4);
  --glow-gold: 0 0 30px rgba(255, 204, 0, 0.4);
  --glow-gold-intense: 0 0 50px rgba(255, 204, 0, 0.6);

  /* Typography */
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --font-display: "Segoe UI", Roboto, "Noto Sans TC", sans-serif;

  /* Font Sizes */
  --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: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;
  --text-6xl: 4.5rem;

  /* 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;
  --space-4xl: 6rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 1px rgba(255, 255, 255, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Layout */
  --header-height: 72px;
  --container-max: 1400px;
  --container-wide: 1600px;
}