:root {
    /* Colors */
    --primary-color: #FFD700; /* Gold/Yellow like Lightning */
    --primary-dark: #DAA520;
    --secondary-color: #1a1a1a;
    --background-color: #f5f5f5;
    --surface-color: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --error-color: #ff4d4d;
    --success-color: #4caf50;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #121212;
        --surface-color: #1e1e1e;
        --text-primary: #ffffff;
        --text-secondary: #aaaaaa;
    }
}