html[data-qr-theme="business"] {
    --qr-bg: #1f2937;
    --qr-bg-accent: #374151;
    --qr-text: #f9fafb;
    --qr-muted: #9ca3af;
    --qr-primary: #60a5fa;
    --qr-primary-dark: #3b82f6;
    --qr-glass: rgba(255, 255, 255, 0.07);
    --qr-glass-border: rgba(209, 213, 219, 0.16);
}