/* 
 * CSS Custom Properties
 * Modern glass-morphism inspired design system
 */

:root {
  /* ===== Color Palette ===== */
  /* Primary colors - inspired by turn timer */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;

  /* Accent colors */
  --accent-green: #50fa7b;
  --accent-red: #ff5555;
  --accent-yellow: #f1fa8c;
  --accent-purple: #bd93f9;
  --accent-orange: #ffb86c;

  /* Neutral colors */
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;

  /* Semantic colors */
  --background: var(--gray-900);
  --surface: rgba(30, 41, 59, 0.8);
  --surface-elevated: rgba(51, 65, 85, 0.9);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.2);
  
  --text-primary: #ffffff;
  --text-secondary: var(--gray-300);
  --text-muted: var(--gray-500);

  /* ===== Glass Morphism ===== */
  --glass-bg: rgba(0, 0, 0, 0.35);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(12px);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* ===== Spacing ===== */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */

  /* ===== Border Radius ===== */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* ===== Shadows ===== */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(14, 165, 233, 0.3);

  /* ===== Typography ===== */
  --font-family: 'Press Start 2P', 'Courier New', monospace;
  --font-size-2xs: 0.5rem;    /* 8px */
  --font-size-xs: 0.625rem;   /* 10px */
  --font-size-sm: 0.75rem;    /* 12px */
  --font-size-base: 0.875rem; /* 14px */
  --font-size-lg: 1rem;       /* 16px */
  --font-size-xl: 1.125rem;   /* 18px */
  --font-size-2xl: 1.25rem;   /* 20px */
  --font-size-3xl: 1.5rem;    /* 24px */

  /* ===== Transitions ===== */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  --transition-bounce: 250ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* ===== Z-Index Scale ===== */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  --z-toast: 1080;

  /* ===== Game Specific ===== */
  --card-width: 180px;
  --card-height: 256px;
  --turn-timer-glow: 0 0 20px currentColor;
}