/**
 * PMWaves Variables CSS
 * Central design system variables
 * All colors, spacing, typography, and reusable values
 */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@300;400;600;700&family=Inter:wght@300;400;600;700&display=swap');

:root {
    /* ========================================
       COLORS
       ======================================== */
    
    /* Brand Colors */
    --primary-color: #3C4B6F;          /* Critical Path brand color */
    --primary-dark: #2a3650;
    --primary-light: #4e5f8a;
    
    --secondary-color: #008080;         /* Teal accent */
    --secondary-dark: #006666;
    --secondary-light: #00a0a0;
    
    /* UI Colors */
    --dark-color: #002240;
    --light-color: #f4f4f4;
    --white: #ffffff;
    --black: #000000;
    
    /* State Colors */
    --success-color: #5cb85c;
    --warning-color: #FFC107;
    --error-color: #d9534f;
    --info-color: #3498db;
    
    /* Neutral Grays */
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;
    
    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #5a6c7d;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    
    /* ========================================
       GRADIENTS
       ======================================== */
    
    --gradient-primary: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #3498db 100%);
    --gradient-secondary: linear-gradient(135deg, #a8edea 0%, #fed6e3 50%, #d299c2 100%);
    --gradient-tertiary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-warm: linear-gradient(135deg, #ff9a9e 0%, #fecfef 50%, #fecfef 100%);
    --gradient-cool: linear-gradient(135deg, #eaf4f8 0%, #d6eaf8 50%, #cfe2f3 100%);
    --gradient-vibrant: linear-gradient(90deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #ffeaa7, #dda0dd);
    
    /* ========================================
       TYPOGRAPHY
       ======================================== */
    
    --font-primary: 'Noto Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
    
    /* Font Sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    
    /* Font Weights */
    --font-light: 300;
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Line Heights */
    --leading-none: 1;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --leading-loose: 2;
    
    /* ========================================
       SPACING
       ======================================== */
    
    --spacing-0: 0;
    --spacing-1: 0.25rem;    /* 4px */
    --spacing-2: 0.5rem;     /* 8px */
    --spacing-3: 0.75rem;    /* 12px */
    --spacing-4: 1rem;       /* 16px */
    --spacing-5: 1.25rem;    /* 20px */
    --spacing-6: 1.5rem;     /* 24px */
    --spacing-8: 2rem;       /* 32px */
    --spacing-10: 2.5rem;    /* 40px */
    --spacing-12: 3rem;      /* 48px */
    --spacing-16: 4rem;      /* 64px */
    --spacing-20: 5rem;      /* 80px */
    --spacing-24: 6rem;      /* 96px */
    --spacing-32: 8rem;      /* 128px */
    
    /* ========================================
       LAYOUT
       ======================================== */
    
    --max-width-xs: 20rem;    /* 320px */
    --max-width-sm: 24rem;    /* 384px */
    --max-width-md: 28rem;    /* 448px */
    --max-width-lg: 32rem;    /* 512px */
    --max-width-xl: 36rem;    /* 576px */
    --max-width-2xl: 42rem;   /* 672px */
    --max-width-3xl: 48rem;   /* 768px */
    --max-width-4xl: 56rem;   /* 896px */
    --max-width-5xl: 64rem;   /* 1024px */
    --max-width-6xl: 72rem;   /* 1152px */
    --max-width-7xl: 80rem;   /* 1280px */
    --max-width-full: 100%;
    
    --container-max: 1200px;
    --navbar-height: 70px;
    
    /* ========================================
       BORDERS & RADIUS
       ======================================== */
    
    --border-width: 1px;
    --border-width-2: 2px;
    --border-width-4: 4px;
    --border-color: rgba(0, 0, 0, 0.1);
    --border-color-light: rgba(0, 0, 0, 0.05);
    
    --radius-none: 0;
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.25rem;   /* 20px */
    --radius-3xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* ========================================
       SHADOWS
       ======================================== */
    
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 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);
    --shadow-none: none;
    
    /* Colored Shadows */
    --shadow-primary: 0 10px 30px rgba(60, 75, 111, 0.3);
    --shadow-info: 0 10px 30px rgba(52, 152, 219, 0.3);
    --shadow-success: 0 10px 30px rgba(92, 184, 92, 0.3);
    --shadow-warning: 0 10px 30px rgba(255, 193, 7, 0.3);
    --shadow-error: 0 10px 30px rgba(217, 83, 79, 0.3);
    
    /* ========================================
       TRANSITIONS & ANIMATIONS
       ======================================== */
    
    --transition-fastest: 150ms ease;
    --transition-fast: 250ms ease;
    --transition-normal: 350ms ease;
    --transition-slow: 500ms ease;
    --transition-slowest: 750ms ease;
    
    --ease-in: cubic-bezier(0.4, 0, 1, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* ========================================
       Z-INDEX LAYERS
       ======================================== */
    
    --z-negative: -1;
    --z-0: 0;
    --z-10: 10;
    --z-20: 20;
    --z-30: 30;
    --z-40: 40;
    --z-50: 50;
    --z-navbar: 1000;
    --z-modal: 1100;
    --z-popover: 1200;
    --z-tooltip: 1300;
    --z-notification: 1400;
    --z-max: 9999;
    
    /* ========================================
       BREAKPOINTS
       ======================================== */
    
    --screen-xs: 480px;
    --screen-sm: 640px;
    --screen-md: 768px;
    --screen-lg: 1024px;
    --screen-xl: 1280px;
    --screen-2xl: 1536px;
}