/* CSS Variables and Design System */

:root {
    /* Colors - Modern Mint Palette */
    --primary: #14B8A6;           /* Teal - vibrant mint primary */
    --primary-dark: #0D9488;      /* Deep teal - darker variant */
    --primary-light: #CCFBF1;     /* Light teal - subtle backgrounds */
    
    --secondary: #06B6D4;         /* Cyan - modern mint accent */
    --accent: #10B981;            /* Emerald - fresh accent */
    --accent-light: #D1FAE5;      /* Light emerald */
    
    --gradient-1: #14B8A6;        /* Teal */
    --gradient-2: #06B6D4;        /* Cyan */
    --gradient-3: #10B981;        /* Emerald */
    
    --dark-bg: #0F172A;           /* Deep dark blue - modern dark */
    --light-bg: #FFFFFF;          /* Pure white */
    --light-gray: #F8FAFC;        /* Very light gray */
    --gray: #64748B;              /* Medium gray */
    --dark-gray: #1E293B;         /* Dark gray */
    
    --text-dark: #0F172A;         /* Dark text - modern */
    --text-light: #64748B;        /* Light gray text */
    --text-muted: #94A3B8;        /* Muted gray */
    
    --success: #10B981;           /* Modern green */
    --warning: #F59E0B;           /* Warm amber */
    --error: #EF4444;             /* Clean red */
    
    --shadow-sm: 0 1px 2px rgba(13, 148, 136, 0.05);
    --shadow-md: 0 4px 16px rgba(20, 184, 166, 0.12);
    --shadow-lg: 0 12px 32px rgba(20, 184, 166, 0.15);
    --shadow-xl: 0 20px 48px rgba(20, 184, 166, 0.2);
    
    /* 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;
    --spacing-4xl: 6rem;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Inter', sans-serif;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    
    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;
    
    /* Border Radius */
    --rounded-sm: 0.25rem;
    --rounded-md: 0.5rem;
    --rounded-lg: 1rem;
    --rounded-xl: 1.5rem;
    --rounded-2xl: 2rem;
    --rounded-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-base: 0;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-tooltip: 1050;
}

/* Dark Mode (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #1a1a1a;
        --light-gray: #2d2d2d;
        --text-dark: #ffffff;
        --text-light: #d1d1d1;
        --text-muted: #a0a0a0;
        --dark-gray: #e5e5e5;
    }
    
    body {
        background-color: #1a1a1a !important;
        color: #e5e5e5 !important;
    }
}