:root{--color-bg-app:#f4f6fa;--color-bg-surface:#fff;--color-bg-subtle:#f8fafc;--color-bg-sidebar:#0d1527;--color-bg-sidebar-hover:#162238;--color-bg-sidebar-active:#2563eb;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-primary-subtle:#eff6ff;--color-success:#10b981;--color-success-subtle:#ecfdf5;--color-danger:#ef4444;--color-danger-subtle:#fef2f2;--color-warning:#f59e0b;--color-warning-subtle:#fffbeb;--color-info:#0284c7;--color-info-subtle:#f0f9ff;--color-text-main:#0f172a;--color-text-muted:#64748b;--color-text-subtle:#94a3b8;--color-text-inverse:#fff;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--color-border-focus:#3b82f6;--font-family-base:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--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;--spacing-1:0.25rem;--spacing-2:0.5rem;--spacing-3:0.75rem;--spacing-4:1rem;--spacing-5:1.25rem;--spacing-6:1.5rem;--spacing-8:2rem;--spacing-10:2.5rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -4px rgba(0,0,0,.04);--shadow-card:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--transition-fast:150ms cubic-bezier(0.4,0,0.2,1);--transition-base:200ms cubic-bezier(0.4,0,0.2,1)}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;font-family:var(--font-family-base);background-color:var(--color-bg-app);color:var(--color-text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{background:none;border:none;cursor:pointer}button,input,select,textarea{font:inherit}