:root{--tkb-primary:#2563eb;--tkb-primary-hover:#1d4ed8;--tkb-primary-light:#eff6ff;--tkb-danger:#dc2626;--tkb-success:#16a34a;--tkb-warning:#d97706;--tkb-bg:#f8fafc;--tkb-surface:#fff;--tkb-surface-hover:#f1f5f9;--tkb-border:#e2e8f0;--tkb-text:#1e293b;--tkb-text-secondary:#64748b;--tkb-text-muted:#94a3b8;--tkb-text-inverse:#fff;--tkb-sidebar-bg:#1e293b;--tkb-sidebar-text:#cbd5e1;--tkb-sidebar-active:#2563eb;--tkb-sidebar-width:240px;--tkb-spacing-1:4px;--tkb-spacing-2:8px;--tkb-spacing-3:12px;--tkb-spacing-4:16px;--tkb-spacing-6:24px;--tkb-spacing-8:32px;--tkb-font-sm:0.875rem;--tkb-font-base:1rem;--tkb-font-lg:1.125rem;--tkb-font-xl:1.25rem;--tkb-font-2xl:1.5rem;--tkb-radius:6px;--tkb-radius-lg:10px;--tkb-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);--tkb-shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1)}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:var(--tkb-font-base);color:var(--tkb-text);background:var(--tkb-bg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer}