/* CSS Variables - Color Palette & Design Tokens */
:root {
    /* Primary Colors - Cyber Blue/Cyan */
    --color-primary: #00f3ff;
    --color-primary-dark: #00d4e0;
    --color-primary-light: #33f5ff;
    --color-primary-glow: rgba(0, 243, 255, 0.5);

    /* Secondary Colors - Electric Purple/Magenta */
    --color-secondary: #9d00ff;
    --color-secondary-dark: #7d00cc;
    --color-secondary-light: #b833ff;
    --color-secondary-glow: rgba(157, 0, 255, 0.5);

    /* Background Colors */
    --color-bg-primary: #050816;
    --color-bg-secondary: #0a0e27;
    --color-bg-tertiary: #0f1729;
    --color-bg-card: rgba(15, 23, 41, 0.8);

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-text-tertiary: #b0b0b0;
    --color-text-muted: #808080;

    /* Accent Colors */
    --color-accent: #39ff14;
    --color-accent-glow: rgba(57, 255, 20, 0.5);

    /* Status Colors */
    --color-success: #00ff88;
    --color-warning: #ffaa00;
    --color-error: #ff0055;
    --color-info: #00aaff;

    /* Border Colors */
    --color-border: rgba(0, 243, 255, 0.3);
    --color-border-secondary: rgba(157, 0, 255, 0.3);
    --color-border-muted: rgba(255, 255, 255, 0.1);

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'Courier New', Courier, 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-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Container */
    --container-max-width: 1200px;
    --container-padding: 2rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Shadows */
    --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);
    --shadow-glow-primary: 0 0 20px var(--color-primary-glow);
    --shadow-glow-secondary: 0 0 20px var(--color-secondary-glow);
    --shadow-glow-accent: 0 0 20px var(--color-accent-glow);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Z-index */
    --z-background: -1;
    --z-base: 0;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}