/**
 * CSS Custom Properties (Variables)
 * Sparkler Glow Color Palette & Design Tokens
 */

:root {
  /* Space Color Palette */
  --color-bg-dark: #0a0a1a;           /* Deep space black-blue */
  --color-bg-space-1: #0d0d2b;        /* Dark nebula purple */
  --color-bg-space-2: #1a1a3e;        /* Mid nebula blue */
  --color-bg-space-3: #2d1b4e;        /* Purple nebula accent */
  --color-accent-primary: #FBC02D;    /* Bright gold - buttons, CTAs */
  --color-highlight: #FFB74D;         /* Warm orange - glow effects, hover */
  --color-text-light: #FFFFFF;        /* White - primary text */
  --color-neutral: #8b9dc3;           /* Soft blue-gray - borders, secondary */
  --color-card-bg: rgba(30, 30, 70, 0.6); /* Transparent blue - message cards */

  /* Star Colors */
  --color-star-white: #ffffff;
  --color-star-blue: #a8d8ff;
  --color-star-yellow: #fff8dc;
  --color-star-pink: #ffc0cb;

  /* Nebula Colors */
  --color-nebula-purple: rgba(138, 43, 226, 0.15);
  --color-nebula-blue: rgba(65, 105, 225, 0.1);
  --color-nebula-pink: rgba(255, 105, 180, 0.08);

  /* Semantic Colors */
  --color-success: #4CAF50;           /* Success messages */
  --color-warning: #FF9800;           /* Warnings */
  --color-error: #F44336;             /* Errors */

  /* Spacing Scale */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 80px;

  /* Typography Scale */
  --font-size-base: 16px;
  --font-size-sm: 14px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 24px;
  --font-size-3xl: 32px;
  --font-size-4xl: 48px;
  --font-size-5xl: 64px;

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

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

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;

  /* Z-index Scale */
  --z-dropdown: 100;
  --z-modal: 1000;
  --z-celebration: 9999;

  /* Container Widths */
  --container-max-width: 1400px;
  --form-max-width: 600px;
  --content-padding-mobile: 20px;
  --content-padding-tablet: 40px;
  --content-padding-desktop: 60px;

  /* Breakpoints (for reference in media queries) */
  --breakpoint-mobile: 320px;
  --breakpoint-tablet: 768px;
  --breakpoint-desktop: 1024px;
  --breakpoint-wide: 1440px;
}