/**
 * SKYNET ECOSYSTEM - Design System Variables v4.0
 *
 * Import this file in ALL SKYNET/GENISYS frontend applications
 * CDN: https://skynet-sync.genisys.online.s3.amazonaws.com/design/variables.css
 *
 * Last Updated: 2025-12-29
 */

:root {
    /* ========================================
       PRIMARY BRAND COLORS
       ======================================== */
    --primary: #667eea;
    --primary-dark: #5a6fd6;
    --primary-light: #818cf8;
    --secondary: #764ba2;
    --secondary-dark: #6b4190;
    --accent: #C9A227;
    --accent-dark: #b8931f;

    /* ========================================
       DARK THEME (Default)
       ======================================== */
    --bg-primary: #0a0a0a;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #121212;
    --bg-card: #161616;
    --bg-elevated: #1e1e1e;
    --header-bg: #0D2B3E;

    /* ========================================
       TEXT COLORS
       ======================================== */
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    --text-inverse: #0a0a0a;

    /* ========================================
       SEMANTIC COLORS
       ======================================== */
    --success: #22C55E;
    --success-dark: #16a34a;
    --warning: #F59E0B;
    --warning-dark: #d97706;
    --error: #EF4444;
    --error-dark: #dc2626;
    --info: #3B82F6;
    --info-dark: #2563eb;

    /* ========================================
       LEGACY COMPATIBILITY
       (For apps still using old variable names)
       ======================================== */
    --skynet-red: #667eea;
    --skynet-red-dark: #5a6fd6;
    --skynet-chrome: #e0e0e0;
    --skynet-chrome-dark: #a0a0a0;
    --skynet-dark: #0a0a0a;
    --skynet-darker: #050505;
    --skynet-blue: #667eea;
    --hugh-primary: #667eea;
    --hugh-secondary: #764ba2;
    --neon-pink: #a855f7;
    --neon-purple: #764ba2;

    /* ========================================
       GRADIENTS
       ======================================== */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-header: linear-gradient(135deg, #0D2B3E 0%, #1B4965 100%);
    --gradient-gold: linear-gradient(90deg, rgba(201, 162, 39, 0.9), rgba(201, 162, 39, 0.8));
    --gradient-dark: linear-gradient(180deg, #0a0a0a 0%, #1a1a2e 100%);

    /* ========================================
       SHADOWS & GLOWS
       ======================================== */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 12px 60px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);
    --shadow-glow-strong: 0 0 50px rgba(102, 126, 234, 0.5);

    /* ========================================
       TYPOGRAPHY
       ======================================== */
    --font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3rem;
    --text-6xl: 4rem;

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

    /* Letter Spacing */
    --tracking-tighter: -0.05em;
    --tracking-tight: -0.025em;
    --tracking-normal: 0;
    --tracking-wide: 0.05em;
    --tracking-wider: 0.1em;
    --tracking-widest: 0.2em;

    /* 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
       ======================================== */
    --space-0: 0;
    --space-px: 1px;
    --space-0-5: 0.125rem;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* Legacy spacing aliases */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 8rem;

    /* ========================================
       BORDER RADIUS
       ======================================== */
    --radius-none: 0;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* ========================================
       BORDERS
       ======================================== */
    --border-subtle: 1px solid rgba(255, 255, 255, 0.05);
    --border-light: 1px solid rgba(255, 255, 255, 0.1);
    --border-medium: 1px solid rgba(255, 255, 255, 0.2);
    --border-primary: 1px solid rgba(102, 126, 234, 0.3);
    --border-accent: 1px solid var(--accent);

    /* ========================================
       TRANSITIONS
       ======================================== */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.7s ease;

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

    /* ========================================
       BREAKPOINTS (for reference)
       ======================================== */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;

    /* ========================================
       CONTAINER WIDTHS
       ======================================== */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}

/* ========================================
   LIGHT THEME (Optional override)
   ======================================== */
[data-theme="light"] {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #eeeeee;
    --bg-card: #ffffff;
    --bg-elevated: #ffffff;
    --header-bg: #0D2B3E;

    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #999999;
    --text-inverse: #ffffff;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
}

/* ========================================
   BASE STYLES
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: var(--leading-normal);
    margin: 0;
    padding: 0;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

/* Text colors */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

/* Background colors */
.bg-primary { background: var(--bg-primary); }
.bg-secondary { background: var(--bg-secondary); }
.bg-card { background: var(--bg-card); }
.bg-accent { background: var(--primary); }

/* Font families */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Font weights */
.font-light { font-weight: var(--font-light); }
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Spacing utilities */
.m-0 { margin: 0; }
.p-0 { padding: 0; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.ml-4 { margin-left: var(--space-4); }
.mr-4 { margin-right: var(--space-4); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

/* Flexbox */
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-4); }

/* Transitions */
.transition { transition: all var(--transition-normal); }
.transition-fast { transition: all var(--transition-fast); }