/* ==============================================
   CrossHub Design System
   ==============================================
   統一されたデザイントークンとCSS変数
   ============================================== */

:root {
  /* ==================== Colors ==================== */
  
  /* Primary Colors */
  --color-primary: #3498db;
  --color-accent: #ec4899;
  --color-secondary: #a855f7;
  --color-tertiary: #4f73ff;
  --color-purple: #d946ef;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-dark: #2c3e50;
  --color-gray-50: rgba(255, 255, 255, 0.05);
  --color-gray-100: rgba(255, 255, 255, 0.1);
  --color-gray-200: rgba(255, 255, 255, 0.2);
  --color-gray-300: rgba(255, 255, 255, 0.3);
  
  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;
  --color-info: #3b82f6;
  
  /* ==================== Gradients ==================== */
  
  /* Primary Gradients */
  --gradient-primary: linear-gradient(135deg, #4f73ff 0%, #ec4899 50%, #a855f7 100%);
  --gradient-secondary: linear-gradient(135deg, #ec4899 0%, #d946ef 50%, #a855f7 100%);
  --gradient-accent: linear-gradient(135deg, #3498db 0%, #ec4899 100%);
  
  /* Rainbow Gradients */
  --gradient-rainbow: radial-gradient(ellipse at center, 
    rgba(255, 0, 0, 0.8) 0%, 
    rgba(255, 154, 0, 0.8) 10%, 
    rgba(208, 222, 33, 0.8) 20%, 
    rgba(79, 220, 74, 0.8) 30%, 
    rgba(63, 218, 216, 0.8) 40%, 
    rgba(47, 201, 226, 0.8) 50%, 
    rgba(28, 127, 238, 0.8) 60%, 
    rgba(95, 21, 242, 0.8) 70%, 
    rgba(186, 12, 248, 0.8) 80%, 
    rgba(251, 7, 217, 0.8) 90%, 
    rgba(255, 0, 0, 0.8) 100%);
  
  /* Background Gradients */
  --gradient-bg-dark: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
  --gradient-bg-card: rgba(255, 255, 255, 0.05);
  
  /* ==================== Typography ==================== */
  
  /* Font Families */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  
  /* Font Sizes */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-lg: 1.125rem;     /* 18px */
  --font-size-xl: 1.25rem;      /* 20px */
  --font-size-2xl: 1.5rem;      /* 24px */
  --font-size-3xl: 1.875rem;    /* 30px */
  --font-size-4xl: 2.25rem;     /* 36px */
  --font-size-5xl: 3rem;        /* 48px */
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  
  /* ==================== Spacing ==================== */
  
  --space-px: 1px;
  --space-0: 0;
  --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 */
  --space-20: 5rem;      /* 80px */
  --space-24: 6rem;      /* 96px */
  
  /* ==================== Border Radius ==================== */
  
  --radius-none: 0;
  --radius-sm: 0.25rem;     /* 4px */
  --radius-base: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;      /* 8px */
  --radius-lg: 0.625rem;    /* 10px */
  --radius-xl: 1.25rem;     /* 20px */
  --radius-2xl: 1.5rem;     /* 24px */
  --radius-3xl: 3.125rem;   /* 50px */
  --radius-full: 9999px;
  --radius-pill: 50px;
  
  /* ==================== Shadows ==================== */
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  
  /* Glass Effect Shadows */
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-glass-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
  
  /* ==================== Transitions ==================== */
  
  --transition-fast: 0.15s ease-in-out;
  --transition-base: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
  
  --transition-all: all var(--transition-base);
  --transition-colors: background-color var(--transition-base), border-color var(--transition-base), color var(--transition-base);
  --transition-opacity: opacity var(--transition-base);
  --transition-transform: transform var(--transition-base);
  
  /* ==================== Z-Index ==================== */
  
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal-backdrop: 1040;
  --z-index-modal: 1050;
  --z-index-popover: 1060;
  --z-index-tooltip: 1070;
  
  /* ==================== Breakpoints ==================== */
  
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
  
  /* ==================== Effects ==================== */
  
  /* Backdrop Filters */
  --backdrop-blur-sm: blur(4px);
  --backdrop-blur-base: blur(8px);
  --backdrop-blur-md: blur(12px);
  --backdrop-blur-lg: blur(16px);
  --backdrop-blur-xl: blur(24px);
  
  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: 1px solid rgba(255, 255, 255, 0.1);
  --glass-backdrop: blur(10px);
}

/* ==================== Dark Theme Adjustments ==================== */

@media (prefers-color-scheme: dark) {
  :root {
    --color-gray-50: rgba(255, 255, 255, 0.03);
    --color-gray-100: rgba(255, 255, 255, 0.08);
    --color-gray-200: rgba(255, 255, 255, 0.15);
    --color-gray-300: rgba(255, 255, 255, 0.25);
  }
}

/* ==================== Print Styles ==================== */

@media print {
  :root {
    --color-primary: #000000;
    --color-accent: #000000;
    --color-white: #ffffff;
    --color-dark: #000000;
    
    --shadow-sm: none;
    --shadow-base: none;
    --shadow-md: none;
    --shadow-lg: none;
    --shadow-xl: none;
    --shadow-2xl: none;
  }
}