/* Design Tokens - PitStopLog Dark Theme (Base) */

/* ====
   TIER 1: BASE COLORS (Primitive Palette)
   ==== */
:root {
  /* Blues */
  --color-blue-dark: #1e3a5f;
  --color-blue-medium: #2563eb;
  --color-blue-light: #dbeafe;
  
  /* Grays */
  --color-gray-900: #111827;
  --color-gray-700: #374151;
  --color-gray-300: #d1d5db;
  --color-gray-100: #f3f4f6;
  --color-gray-50: #f9fafb;
  
  /* White/Black */
  --color-white: #ffffff;
  --color-black: #000000;
}

/* ====
   TIER 2: SEMANTIC TOKENS (Intent-based) - DARK THEME BASE
   ==== */
:root {
    /* Background Colors - Dark Theme */
    --color-bg-primary: #071324;    
    --color-bg-secondary: #1a1f26;
    --color-bg-tertiary: #252b33;   
    --color-bg-elevated: #2a3039;
    --color-bg-hover: #30373f;    
    
    /* Teal/Cyan Accent Colors */
    --color-accent-primary: #138496;   
    --color-accent-secondary: #0f6775; 
    --color-accent-tertiary: #0f766e;
    --color-accent-light: #1fc3d6;    
    --color-accent-dark: #0a5c54;
    --color-accent-hover: rgba(20, 184, 166, 0.1);
    --color-accent-active: rgba(20, 184, 166, 0.15);

    /* Text Colors - Dark Theme */
    --color-text-primary: #f8fafc;
    --color-text-secondary: #cbd5e1;
    --color-text-tertiary: #94a3b8;
    --color-text-muted: #64748b;
    --color-text-disabled: #475569;
    --color-text-hover: #17a2b8;
    
    /* UI Colors - Dark Theme */
    --color-border: #334155;
    --color-border-light: #475569;
    --color-divider: #1e293b;
    
    /* Status Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;    
    --color-danger: #ef4444; 
    --color-info: #3b82f6;    

   /* Vehicle Colors */
   --vehicle-black: #475569;
   --vehicle-white: #f8fafc;
   --vehicle-silver: #cbd5e1;
   --vehicle-gray: #94a3b8;
   --vehicle-red: #f87171;
   --vehicle-blue: #60a5fa;
   --vehicle-green: #34d399;
   --vehicle-yellow: #fbbf24;
   --vehicle-orange: #fb923c;
   --vehicle-purple: #a78bfa;
   --vehicle-brown: #d97706;    
}

/* ====
   TIER 3: COMPONENT TOKENS (Specific contexts) - DARK THEME BASE
   ==== */
:root {
  /* Surfaces */
  --surface-base: var(--color-bg-primary);
  --surface-elevated: var(--color-bg-secondary);
  --surface-overlay: var(--color-bg-tertiary);
  
  /* Text */
  --text-primary: var(--color-text-primary);
  --text-secondary: var(--color-text-secondary);
  --text-muted: var(--color-text-muted);
  
  /* Borders */
  --border-default: var(--color-border);
  --border-light: var(--color-border-light);
  --border-subtle: var(--color-divider);
  
  /* Buttons */
  --button-primary-bg: #17a2b8;
  --button-primary-bg-hover: var(--color-accent-primary);
  --button-primary-text: var(--color-white);
  
  /* Panels */
  --panel-background: var(--surface-elevated);
  --panel-border: var(--border-default);
  --panel-shadow: rgba(0, 0, 0, 0.1);
  
  /* Inputs */
  --input-background: var(--color-bg-tertiary);
  --input-border: var(--border-default);
  --input-border-focus: var(--button-primary-bg);
  --input-text: var(--text-primary);
  --input-placeholder: var(--text-secondary);
  
  /* Alerts */
  --alert-success-bg: rgba(16, 185, 129, 0.1);
  --alert-warning-bg: rgba(245, 158, 11, 0.1);
  --alert-error-bg: rgba(239, 68, 68, 0.1);
  --alert-info-bg: rgba(23, 162, 184, 0.1);
  
  /* Shadows - Dark Theme (subtle) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Navigation */
  --nav-bg: var(--surface-elevated);
  --nav-border: var(--border-default);
  --nav-item-color: var(--text-secondary);
  --nav-item-hover-bg: var(--color-accent-hover);
  --nav-item-hover-color: var(--color-accent-primary);
  --nav-item-active-bg: var(--color-accent-active);
  --nav-item-active-color: var(--color-accent-primary);
  --nav-item-active-border: var(--color-accent-primary);
  --nav-section-title-color: var(--color-text-tertiary); 
}

/* ====
   SIZE AND SHAPE TOKENS (Theme-agnostic)
   ==== */
:root {
    /* Spacing Scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1100;
    --z-fixed: 1200;
    --z-modal-backdrop: 1300;
    --z-modal: 1400;
    --z-popover: 1500;
    --z-tooltip: 1600;
    
    /* Layout */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 70px;
    --header-height: 60px;
    --mobile-header-height: 56px;
    --mobile-bottom-nav-height: 60px;

    /* Detail Panel Specific Tokens */
    --master-panel-width: 380px;
    --master-panel-bg: var(--surface-elevated);
    --master-panel-border: var(--border-default);
    --master-panel-shadow: var(--shadow-md);    
}

:root {
   --vehicle-icon-xs: 24px;
   --vehicle-icon-sm: 30px;
   --vehicle-icon-md: 36px;
   --vehicle-icon-lg: 60px;
   --vehicle-icon-xl: 80px;
}