:root{--tr-sidebar-width:260px;--tr-topbar-height:64px;--tr-bg:#f3f4f6;--tr-surface:#fff;--tr-text:#111827;--tr-text-secondary:#6b7280;--tr-border:#e5e7eb;--tr-primary:#2563eb;--tr-primary-hover:#1d4ed8;--tr-danger:#dc2626;--tr-danger-hover:#b91c1c;--tr-success:#059669;--tr-warning:#d97706;--tr-sidebar-bg:#0f172a;--tr-sidebar-text:#cbd5e1;--tr-sidebar-active:#1e293b;--tr-sidebar-accent:#3b82f6;--tr-radius:10px;--tr-shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--tr-shadow-lg:0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -2px rgba(0,0,0,.04);--tr-focus:0 0 0 3px rgba(37,99,235,.25)}