/**
 * Design System Variables
 * WooCommerce to Shopify Sync Plugin
 * 
 * This file contains all CSS custom properties (variables) used throughout the plugin.
 * Based on WordPress design standards and the UI design mockup.
 */

:root {
  /* ============================================
     COLOR PALETTE
     ============================================ */
  
  /* Primary Colors */
  --w2ssyn-primary: #2271b1;        /* WordPress Blue */
  --w2ssyn-primary-dark: #135e96;
  --w2ssyn-primary-light: #72aee6;
  
  /* Status Colors */
  --w2ssyn-success: #00a32a;      /* Green */
  --w2ssyn-success-dark: #007a20;
  --w2ssyn-success-light: #68de7e;
  
  --w2ssyn-error: #d63638;        /* Red */
  --w2ssyn-error-dark: #b32d2e;
  --w2ssyn-error-light: #f86368;
  
  --w2ssyn-warning: #dba617;       /* Orange */
  --w2ssyn-warning-dark: #b89000;
  --w2ssyn-warning-light: #f0c33c;
  
  --w2ssyn-info: #2271b1;          /* Blue */
  --w2ssyn-info-dark: #135e96;
  --w2ssyn-info-light: #72aee6;
  
  /* Platform Colors */
  --w2ssyn-woo-primary: #7f54b3;   /* WooCommerce Purple */
  --w2ssyn-woo-secondary: #96588a; /* Dark Purple */
  --w2ssyn-woo-light: #b19cd9;
  
  --w2ssyn-shopify-primary: #96bf48;  /* Shopify Green */
  --w2ssyn-shopify-secondary: #5e8e3e; /* Dark Green */
  --w2ssyn-shopify-light: #b8d47a;
  
  /* Neutral Colors */
  --w2ssyn-bg-primary: #ffffff;
  --w2ssyn-bg-secondary: #f0f0f1;
  --w2ssyn-bg-tertiary: #f9f9f9;
  --w2ssyn-bg-hover: #f6f7f7;
  
  --w2ssyn-text-primary: #1d2327;
  --w2ssyn-text-secondary: #50575e;
  --w2ssyn-text-tertiary: #787c82;
  --w2ssyn-text-muted: #a7aaad;
  
  --w2ssyn-border-color: #c3c4c7;
  --w2ssyn-border-light: #dcdcde;
  --w2ssyn-border-dark: #8c8f94;
  
  /* Pro Badge Colors */
  --w2ssyn-pro-gradient-start: #667eea;
  --w2ssyn-pro-gradient-end: #764ba2;
  
  /* ============================================
     SPACING SYSTEM
     ============================================ */
  
  --w2ssyn-spacing-xs: 0.25rem;    /* 4px */
  --w2ssyn-spacing-sm: 0.5rem;     /* 8px */
  --w2ssyn-spacing-md: 1rem;       /* 16px */
  --w2ssyn-spacing-lg: 1.5rem;     /* 24px */
  --w2ssyn-spacing-xl: 2rem;       /* 32px */
  --w2ssyn-spacing-2xl: 3rem;      /* 48px */
  --w2ssyn-spacing-3xl: 4rem;      /* 64px */
  
  /* ============================================
     TYPOGRAPHY
     ============================================ */
  
  --w2ssyn-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --w2ssyn-font-size-xs: 11px;
  --w2ssyn-font-size-sm: 12px;
  --w2ssyn-font-size-base: 14px;
  --w2ssyn-font-size-lg: 16px;
  --w2ssyn-font-size-xl: 18px;
  --w2ssyn-font-size-2xl: 24px;
  --w2ssyn-font-size-3xl: 32px;
  
  --w2ssyn-font-weight-normal: 400;
  --w2ssyn-font-weight-medium: 500;
  --w2ssyn-font-weight-semibold: 600;
  --w2ssyn-font-weight-bold: 700;
  
  --w2ssyn-line-height-tight: 1.2;
  --w2ssyn-line-height-normal: 1.5;
  --w2ssyn-line-height-relaxed: 1.75;
  
  /* ============================================
     BORDER RADIUS
     ============================================ */
  
  --w2ssyn-radius-sm: 4px;
  --w2ssyn-radius-md: 8px;
  --w2ssyn-radius-lg: 12px;
  --w2ssyn-radius-xl: 16px;
  --w2ssyn-radius-full: 9999px;
  
  /* ============================================
     SHADOWS
     ============================================ */
  
  --w2ssyn-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --w2ssyn-shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --w2ssyn-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --w2ssyn-shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.16);
  
  /* ============================================
     TRANSITIONS
     ============================================ */
  
  --w2ssyn-transition-fast: 150ms ease;
  --w2ssyn-transition-base: 250ms ease;
  --w2ssyn-transition-slow: 350ms ease;
  
  /* ============================================
     Z-INDEX SCALE
     ============================================ */
  
  --w2ssyn-z-dropdown: 1000;
  --w2ssyn-z-sticky: 1020;
  --w2ssyn-z-fixed: 1030;
  --w2ssyn-z-modal-backdrop: 1040;
  --w2ssyn-z-modal: 1050;
  --w2ssyn-z-popover: 1060;
  --w2ssyn-z-tooltip: 1070;
  
  /* ============================================
     BREAKPOINTS (for reference in JS)
     ============================================ */
  
  --w2ssyn-breakpoint-sm: 576px;
  --w2ssyn-breakpoint-md: 768px;
  --w2ssyn-breakpoint-lg: 1024px;
  --w2ssyn-breakpoint-xl: 1280px;
  --w2ssyn-breakpoint-2xl: 1400px;
}