:root {
    /* Brand Colors */
    --color-brand: #DC2626;
    --color-brand-red: #D31221;
    --color-brand-hover: #B91C1C;
    --color-brand-red-hover: #B80E1B;
    --color-brand-light: #FEE2E2;
    --color-brand-red-light: #FEF2F2;
    
    /* Text Colors */
    --color-text-primary: #111827;
    --color-text-secondary: #4B5563;
    --color-text-muted: #9CA3AF;
    
    /* Surface Colors */
    --color-surface: #FFFFFF;
    --color-surface-secondary: #F9FAFB;
    --color-bg-main: #F3F4F6;
    --color-bg-topbar: #0D0F12;
    
    /* Border Colors */
    --color-border: #E5E7EB;
    --color-border-input: #D1D5DB;
    
    /* Status Colors */
    --color-success: #059669;
    --color-warning: #D97706;
    --color-error: #DC2626;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-card: 8px;
    --radius-input: 6px;
    --radius-button: 6px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-step-title: 1.375rem;
    
    /* Shadows — softer, more layered */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px -1px rgba(0, 0, 0, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.10), 0 4px 12px -2px rgba(0, 0, 0, 0.06);
    --shadow-card: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
    --shadow-card-hover: 0 8px 24px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.06);
    --color-focus-ring: rgba(220,38,38,.15);
    --color-brand-gradient: linear-gradient(135deg, #DC2626 0%, #B91C1C 100%);
    
    /* Wizard */
    --space-wizard-gap: 20px;
    --step-node-size: 28px;
    --step-line-height: 2px;
}