:root{--color-bg:#f8fafc;--color-surface:#fff;--color-surface-alt:#f1f5f9;--color-border:#e2e8f0;--color-text:#0f172a;--color-text-muted:#64748b;--color-primary:#2563eb;--color-primary-contrast:#fff;--color-danger:#dc2626;--color-warning:#d97706;--color-success:#16a34a;--color-focus-ring:#2563eb;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--font-2xl:21px;--font-xl:17px;--font-lg:15px;--font-md:13.5px;--font-sm:12.5px;--font-xs:11.5px;--control-sm:34px;--control-md:36px;--sidebar-width:208px;--topbar-height:56px;--shadow-sm:0 1px 2px #0f172a14;--shadow-md:0 4px 12px #0f172a1f;--nav-accent-devices:#0891b2;--nav-accent-monitoring:#7c3aed;--nav-accent-market:#0d9488;--nav-accent-command:#ea580c;--nav-accent-reports:#4f46e5;--nav-accent-administration:#475569;--lightningcss-light:initial;--lightningcss-dark: 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