/*
===========================================================================
DO NOT MODIFY THIS FILE - NSG STANDARDS
===========================================================================
File: nsg_variables.css
Purpose: CSS custom properties for all NSG sites
Location: /var/www/html/nsg_standards/css/
Copy to: /var/www/html/[project]/static/css/

INSTRUCTIONS FOR AI:
- Do NOT edit this file to fix styling issues
- Create a project-specific variables file (e.g., qplex_variables.css)
- Import project variables AFTER this file to override colors
- See NSG_SITE_GUIDE.md for usage examples

COLOR SELECTION:
- Use coolors.co, color.adobe.com, or paletton.com to generate palettes
- Pick colors for each category below
- The user selects colors, not AI

COLOR PLACEMENT:
- Sidebar: Complementary/accent color (sets mood, not dominant)
- Navbar: Can match sidebar or be darker variant
- Content: Neutral (white/cream) for readability
- Primary: Headings, links, buttons, accordion headers
- Accent: CTAs, highlights, special callouts
===========================================================================
2025-12-19 v1.0 - Initial creation
2025-12-19 v1.1 - Added sidebar color category, Georgia font default
===========================================================================
*/

:root {
    /* ===========================================
       COLORS - Override these in project file
       =========================================== */
    
    /* Navbar & Footer - black/dark gray (frames the page) */
    --color-navbar: #2f2f2f;            /* Dark gray */
    --color-navbar-border: #1a1a1a;     /* Black border */
    --color-footer: #1a1a1a;            /* Black */
    
    /* Sidebar - complementary/accent color (sets mood) */
    --color-sidebar: #8c4f55;           /* Burgundy - Refuge default */
    --color-sidebar-dark: #722f37;      /* Darker for hover/active */
    --color-sidebar-light: #a05d65;     /* Lighter for borders */
    
    /* Primary - headings, links, accordion headers */
    --color-primary: #2b6777;           /* Teal - content accent */
    --color-primary-dark: #1e4a4a;      /* Hover/active states */
    --color-primary-light: #52ab98;     /* Highlights */
    
    /* Secondary - borders, panel backgrounds */
    --color-secondary: #d4e8ed;         /* Light teal-gray */
    --color-secondary-light: #f5f9fa;   /* Panel backgrounds */
    --color-secondary-dark: #5a7a8a;    /* Muted text */
    
    /* Accent - CTAs, special highlights */
    --color-accent: #d4a574;            /* Gold/sand */
    
    /* Neutrals - content areas */
    --color-white: #ffffff;
    --color-bg: #f8f9fa;                /* Page background */
    --color-content: #ffffff;           /* Content section background */
    --color-text: #333333;              /* Body text */
    --color-text-light: #666666;        /* Secondary text */
    --color-border: #e2e8f0;            /* Default borders */
    
    /* ===========================================
       TYPOGRAPHY - Georgia (elegant, no loading)
       =========================================== */
    
    --font-heading: 'Georgia', 'Times New Roman', serif;
    --font-body: 'Georgia', 'Times New Roman', serif;
    
    --font-size-base: 1rem;
    --font-size-small: 0.85rem;
    --font-size-large: 1.15rem;
    
    --line-height-base: 1.6;
    --line-height-tight: 1.3;
    
    /* ===========================================
       LAYOUT DIMENSIONS
       =========================================== */
    
    --sidebar-width: 220px;
    --navbar-height: 60px;
    --content-max-width: 1000px;
    --content-padding: 2rem;
    
    /* ===========================================
       HERO SECTION
       =========================================== */
    
    --hero-min-height: 70vh;
    --hero-min-height-mobile: 50vh;
    
    /* ===========================================
       IMAGES
       =========================================== */
    
    --image-default-width: 500px;
    --image-expanded-width: 90vw;
    --image-expanded-max-width: 1200px;
    --image-expanded-max-height: 90vh;
    
    /* ===========================================
       SPACING
       =========================================== */
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* ===========================================
       BORDERS & RADIUS
       =========================================== */
    
    --border-radius-sm: 4px;
    --border-radius-md: 6px;
    --border-radius-lg: 8px;
    
    --border-width: 1px;
    --border-accent-width: 4px;
    
    /* ===========================================
       SHADOWS
       =========================================== */
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.12);
}