/**
 * Camber Default Theme
 * 
 * Base token definitions for Camber components.
 * These serve as fallbacks when Brocade tokens are not present.
 * 
 * Token philosophy:
 * - Components use: --brocade-* → --camber-* → literal
 * - This file defines the --camber-* layer
 * - Values are sensible defaults, not opinionated design
 */

:root {
  /* ============================================
     COLORS
     ============================================ */
  
  /* Primary brand color */
  --camber-color-primary: #3b82f6;
  --camber-color-primary-hover: #2563eb;
  --camber-color-primary-active: #1d4ed8;
  --camber-color-primary-foreground: #ffffff;
  
  /* Primary dim — reduced prominence variant */
  --camber-color-primary-dim: #93b4fd;

  /* Secondary color */
  --camber-color-secondary: #6b7280;
  --camber-color-secondary-hover: #4b5563;
  --camber-color-secondary-active: #374151;
  --camber-color-secondary-foreground: #ffffff;
  
  /* Status colors */
  --camber-color-success: #10b981;
  --camber-color-success-dim: #6ee7b7;
  --camber-color-success-foreground: #ffffff;
  --camber-color-danger: #ef4444;
  --camber-color-danger-dim: #fca5a5;
  --camber-color-danger-foreground: #ffffff;
  --camber-color-warning: #f59e0b;
  --camber-color-warning-dim: #fcd34d;
  --camber-color-warning-foreground: #000000;
  --camber-color-info: #3b82f6;
  --camber-color-info-dim: #93c5fd;
  --camber-color-info-foreground: #ffffff;
  
  /* Surface colors */
  --camber-color-background: #ffffff;
  --camber-color-background-muted: #f9fafb;
  --camber-color-surface: #ffffff;
  --camber-color-surface-hover: #f3f4f6;
  --camber-color-surface-active: #e5e7eb;
  --camber-color-foreground: #111827;
  --camber-color-foreground-muted: #6b7280;
  --camber-color-foreground-dim: #9ca3af;

  /* Raised surface — elevated containers (cards, popovers) */
  --camber-color-surface-raised: #ffffff;

  /* Border and divider */
  --camber-color-border: #e5e7eb;
  --camber-color-border-hover: #d1d5db;
  --camber-color-border-focus: #3b82f6;
  
  /* ============================================
     SPACING
     ============================================ */
  
  --camber-spacing-xs: 0.25rem;   /* 4px */
  --camber-spacing-sm: 0.5rem;    /* 8px */
  --camber-spacing-md: 0.75rem;   /* 12px */
  --camber-spacing-lg: 1rem;      /* 16px */
  --camber-spacing-xl: 1.5rem;    /* 24px */
  --camber-spacing-2xl: 2rem;     /* 32px */
  --camber-spacing-3xl: 3rem;     /* 48px */
  
  /* ============================================
     TYPOGRAPHY
     ============================================ */
  
  /* Font families */
  --camber-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --camber-font-family-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
  
  /* Font sizes */
  --camber-font-size-xs: 0.75rem;    /* 12px */
  --camber-font-size-sm: 0.875rem;   /* 14px */
  --camber-font-size: 1rem;          /* 16px */
  --camber-font-size-lg: 1.125rem;   /* 18px */
  --camber-font-size-xl: 1.25rem;    /* 20px */
  --camber-font-size-2xl: 1.5rem;    /* 24px */
  
  /* Font weights */
  --camber-font-weight-normal: 400;
  --camber-font-weight-medium: 500;
  --camber-font-weight-semibold: 600;
  --camber-font-weight-bold: 700;
  
  /* Line heights */
  --camber-line-height-tight: 1.25;
  --camber-line-height: 1.5;
  --camber-line-height-loose: 1.75;
  
  /* ============================================
     BORDERS
     ============================================ */
  
  --camber-border-radius: 0.375rem;   /* 6px */
  --camber-border-radius-sm: 0.25rem; /* 4px */
  --camber-border-radius-lg: 0.5rem;  /* 8px */
  --camber-border-radius-xl: 0.75rem; /* 12px */
  --camber-border-radius-full: 9999px;
  
  --camber-border-width: 1px;
  --camber-border-width-thick: 2px;
  
  /* ============================================
     SHADOWS
     ============================================ */
  
  --camber-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --camber-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --camber-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --camber-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --camber-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* ============================================
     TRANSITIONS
     ============================================ */
  
  --camber-transition-duration: 150ms;
  --camber-transition-duration-fast: 100ms;
  --camber-transition-duration-slow: 300ms;
  
  --camber-transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --camber-transition-easing-in: cubic-bezier(0.4, 0, 1, 1);
  --camber-transition-easing-out: cubic-bezier(0, 0, 0.2, 1);
  
  /* ============================================
     LAYOUT
     ============================================ */
  
  --camber-layout-direction: row;
  --camber-layout-wrap: wrap;
  --camber-layout-align: stretch;
  --camber-layout-justify: flex-start;
  --camber-layout-gap: 1rem;
  --camber-layout-columns: repeat(auto-fit, minmax(250px, 1fr));
  --camber-layout-flow: row;
  
  /* Z-index scale */
  --camber-z-index-base: 0;
  --camber-z-index-dropdown: 1000;
  --camber-z-index-sticky: 1100;
  --camber-z-index-fixed: 1200;
  --camber-z-index-modal: 1300;
  --camber-z-index-popover: 1400;
  --camber-z-index-tooltip: 1500;
  
  /* ============================================
     INTERACTION
     ============================================ */
  
  --camber-cursor-interactive: pointer;
  --camber-cursor-disabled: not-allowed;

  /* ============================================
     FOCUS
     ============================================ */

  --camber-color-focus: #3b82f6;
  --camber-focus-ring-width: 2px;
  --camber-focus-ring-offset: 2px;

  /* ============================================
     OPACITY
     ============================================ */

  --camber-opacity-disabled: 0.5;
}

/**
 * Dark mode support
 * Activates when user prefers dark color scheme
 */
@media (prefers-color-scheme: dark) {
  :root {
    /* Invert surface colors */
    --camber-color-background: #111827;
    --camber-color-background-muted: #1f2937;
    --camber-color-surface: #1f2937;
    --camber-color-surface-hover: #374151;
    --camber-color-surface-active: #4b5563;
    --camber-color-foreground: #f9fafb;
    --camber-color-foreground-muted: #9ca3af;
    --camber-color-foreground-dim: #6b7280;

    /* Raised surface in dark mode */
    --camber-color-surface-raised: #374151;

    /* Adjust borders for dark backgrounds */
    --camber-color-border: #374151;
    --camber-color-border-hover: #4b5563;
    --camber-color-border-focus: #60a5fa;

    /* Focus for dark */
    --camber-color-focus: #60a5fa;
    
    /* Adjust primary for visibility on dark */
    --camber-color-primary: #60a5fa;
    --camber-color-primary-hover: #3b82f6;
    --camber-color-primary-active: #2563eb;
    
    /* Adjust secondary */
    --camber-color-secondary: #9ca3af;
    --camber-color-secondary-hover: #d1d5db;
    --camber-color-secondary-active: #e5e7eb;
    
    /* Reduce shadow intensity */
    --camber-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --camber-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --camber-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --camber-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --camber-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.4);
  }
}

/**
 * High contrast mode support
 */
@media (prefers-contrast: more) {
  :root {
    --camber-color-border: #000000;
    --camber-border-width: 2px;
  }
}

/**
 * Reduced motion support
 */
@media (prefers-reduced-motion: reduce) {
  :root {
    --camber-transition-duration: 0.01ms;
    --camber-transition-duration-fast: 0.01ms;
    --camber-transition-duration-slow: 0.01ms;
  }
}