/**
 * ZJTools CSS Variables
 * Unified design system for all tools
 */

:root {
  /* Colors - Primary */
  --color-primary: #667eea;
  --color-primary-dark: #5a6fd6;
  --color-primary-light: #8b9cf5;

  /* Colors - Secondary */
  --color-secondary: #764ba2;
  --color-gradient: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);

  /* Colors - Status */
  --color-success: #4caf50;
  --color-success-bg: #e8f5e9;
  --color-error: #f44336;
  --color-error-bg: #ffebee;
  --color-warning: #ff9800;
  --color-warning-bg: #fff3e0;
  --color-info: #2196f3;
  --color-info-bg: #e3f2fd;

  /* Colors - Text */
  --color-text-primary: #333333;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-text-light: #aaaaaa;

  /* Colors - Background */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f5f7fa;
  --color-bg-tertiary: #eef0f5;
  --color-bg-dark: #1e1e1e;

  /* Colors - Border */
  --color-border: #e1e5e9;
  --color-border-light: #eeeeee;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 40px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 15px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-family-mono: 'Consolas', 'Monaco', 'Courier New', monospace;

  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-xxl: 28px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-Index */
  --z-dropdown: 100;
  --z-modal: 200;
  --z-toast: 300;
}