/**
 * ============================================
 * DESIGN TOKENS - Centralized Design System
 * ============================================
 *
 * This file contains all design tokens (CSS custom properties)
 * for consistent styling across the application.
 *
 * Usage: var(--token-name)
 */

:root {
    /* ============================================
       COLOR PALETTE - Primary (Forest Theme)
       ============================================ */
    --color-primary-50: #ecfdf5;
    --color-primary-100: #d1fae5;
    --color-primary-200: #a7f3d0;
    --color-primary-300: #6ee7b7;
    --color-primary-400: #34d399;
    --color-primary-500: #10b981;
    --color-primary-600: #059669;
    --color-primary-700: #047857;
    --color-primary-800: #065f46;
    --color-primary-900: #064e3b;
    --color-primary-950: #022c22;

    /* Primary aliases for easy use */
    --color-primary: var(--color-primary-700);
    --color-primary-dark: var(--color-primary-900);
    --color-primary-light: var(--color-primary-600);
    --color-primary-hover: var(--color-primary-800);

    /* ============================================
       COLOR PALETTE - Secondary (Admin Theme)
       ============================================ */
    --color-secondary-50: #fdf4ff;
    --color-secondary-100: #fae8ff;
    --color-secondary-200: #f5d0fe;
    --color-secondary-300: #f0abfc;
    --color-secondary-400: #e879f9;
    --color-secondary-500: #d946ef;
    --color-secondary-600: #c026d3;
    --color-secondary-700: #a21caf;
    --color-secondary-800: #86198f;
    --color-secondary-900: #6C0345;
    --color-secondary-950: #4a044e;

    /* Secondary aliases */
    --color-secondary: var(--color-secondary-900);
    --color-secondary-dark: var(--color-secondary-950);

    /* ============================================
       COLOR PALETTE - Neutral (Grays)
       ============================================ */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-gray-950: #030712;

    /* ============================================
       COLOR PALETTE - Semantic
       ============================================ */
    /* Success */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-success-dark: #065f46;

    /* Warning */
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-warning-dark: #b45309;

    /* Error/Danger */
    --color-error: #ef4444;
    --color-error-light: #fee2e2;
    --color-error-dark: #b91c1c;

    /* Info */
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    --color-info-dark: #1d4ed8;

    /* ============================================
       COLOR PALETTE - UI Specific
       ============================================ */
    /* Text colors */
    --color-text-primary: #1f2937;
    --color-text-secondary: #6b7280;
    --color-text-muted: #9ca3af;
    --color-text-inverse: #ffffff;

    /* Background colors */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f9fafb;
    --color-bg-tertiary: #f3f4f6;
    --color-bg-inverse: #1f2937;

    /* Border colors */
    --color-border: #e5e7eb;
    --color-border-light: #f3f4f6;
    --color-border-dark: #d1d5db;

    /* ============================================
       DARK MODE COLORS
       ============================================ */
    --color-dark-bg-primary: #1a2035;
    --color-dark-bg-secondary: #0f1419;
    --color-dark-bg-tertiary: #0d1117;
    --color-dark-text-primary: #ffffff;
    --color-dark-text-secondary: rgba(255, 255, 255, 0.8);
    --color-dark-text-muted: rgba(255, 255, 255, 0.6);
    --color-dark-border: rgba(255, 255, 255, 0.1);

    /* ============================================
       CHART COLORS
       ============================================ */
    --chart-color-1: rgba(33, 150, 243, 1);   /* Blue - Machines */
    --chart-color-2: rgba(255, 20, 147, 1);    /* Pink - Equipment */
    --chart-color-3: rgba(0, 150, 136, 1);     /* Teal - Vehicles */
    --chart-color-4: rgba(255, 152, 0, 1);     /* Orange - Labours */
    --chart-color-5: rgba(156, 39, 176, 1);    /* Purple - Chainsaws */
    --chart-color-6: rgba(220, 53, 69, 1);     /* Red - Profit */

    /* Chart colors with transparency */
    --chart-color-1-alpha: rgba(33, 150, 243, 0.2);
    --chart-color-2-alpha: rgba(255, 20, 147, 0.2);
    --chart-color-3-alpha: rgba(0, 150, 136, 0.2);
    --chart-color-4-alpha: rgba(255, 152, 0, 0.2);
    --chart-color-5-alpha: rgba(156, 39, 176, 0.2);
    --chart-color-6-alpha: rgba(220, 53, 69, 0.2);

    /* ============================================
       GRADIENTS
       ============================================ */
    --gradient-primary: linear-gradient(195deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-primary-admin: linear-gradient(195deg, #FFBB70 0%, #FE9B15 100%);
    --gradient-dark: linear-gradient(180deg, #1a1f2e 0%, #0f1318 100%);
    --gradient-dark-deep: linear-gradient(180deg, #0d1117 0%, #010409 100%);

    /* ============================================
       SPACING SCALE
       ============================================ */
    --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 */

    /* ============================================
       TYPOGRAPHY SCALE
       ============================================ */
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    --font-size-4xl: 2.25rem;    /* 36px */
    --font-size-5xl: 3rem;       /* 48px */

    /* Font weights */
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Line heights */
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;

    /* Letter spacing */
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    --letter-spacing-widest: 0.1em;

    /* ============================================
       BORDER RADIUS
       ============================================ */
    --radius-none: 0;
    --radius-sm: 0.125rem;   /* 2px */
    --radius-default: 0.2rem; /* 3.2px - matches current custom.css */
    --radius-md: 0.25rem;    /* 4px */
    --radius-lg: 0.375rem;   /* 6px */
    --radius-xl: 0.5rem;     /* 8px */
    --radius-2xl: 0.75rem;   /* 12px */
    --radius-3xl: 1rem;      /* 16px */
    --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 4px 12px rgba(4, 120, 87, 0.25);
    --shadow-primary-lg: 0 8px 24px rgba(4, 120, 87, 0.3);

    /* ============================================
       Z-INDEX SCALE
       ============================================ */
    --z-base: 0;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-sidebar: 400;
    --z-overlay: 500;
    --z-modal-backdrop: 600;
    --z-modal: 700;
    --z-popover: 800;
    --z-tooltip: 900;
    --z-toast: 1000;
    --z-max: 9999;

    /* ============================================
       TRANSITIONS
       ============================================ */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
    --transition-colors: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
    --transition-transform: transform 0.15s ease;
    --transition-all: all 0.2s ease;

    /* ============================================
       BREAKPOINTS (for reference in JS)
       ============================================ */
    --breakpoint-xs: 0;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;
}

/* ============================================
   DARK MODE OVERRIDES
   ============================================ */
.dark-version {
    --color-text-primary: var(--color-dark-text-primary);
    --color-text-secondary: var(--color-dark-text-secondary);
    --color-text-muted: var(--color-dark-text-muted);
    --color-bg-primary: var(--color-dark-bg-primary);
    --color-bg-secondary: var(--color-dark-bg-secondary);
    --color-bg-tertiary: var(--color-dark-bg-tertiary);
    --color-border: var(--color-dark-border);
}

/* ============================================
   ADMIN THEME OVERRIDES
   ============================================ */
.admin-theme {
    --color-primary: var(--color-secondary);
    --color-primary-dark: var(--color-secondary-dark);
    --gradient-primary: var(--gradient-primary-admin);
}