/* ===================================
   CSS CUSTOM PROPERTIES (VARIABLES)
   =================================== */

:root {
    /* Color Palette */
    --color-dark: #f2f2f2;
    --color-card: #ffffff;
    --color-accent: #0067b8;
    --color-secondary: #2f2f2f;
    --color-hover: #005da6;
    --color-text: #616161;
    --color-border: #e5e5e5;
    --color-border-hover: #d2d2d2;
    
    /* Background Colors */
    --bg-white: #ffffff;
    --bg-dark: #f2f2f2;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.4s ease-in-out;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    --shadow-2xl: 0 25px 50px rgba(0,0,0,0.15);
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* 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;
}