[data-slot=reasoning-block]{--reasoning-sticky-inset:0.5rem;--trace-surface:var(--background);--trace-connector:color-mix(in srgb,var(--muted-foreground) 25%,var(--trace-surface));scroll-margin-top:var(--reasoning-sticky-inset)}[data-slot=chat-assistant-row]:has(.reasoning-block-trigger-sticky)>[data-slot=chat-message-avatar]{position:sticky;top:calc(var(--reasoning-sticky-inset, .5rem) + .25rem);z-index:10}.reasoning-block-trigger-sticky{position:sticky;top:var(--reasoning-sticky-inset);z-index:10;background:var(--trace-surface)}.reasoning-block-trigger-sticky:after,.reasoning-block-trigger-sticky:before{content:"";position:absolute;right:0;left:0;pointer-events:none}.reasoning-block-trigger-sticky:before{bottom:100%;height:var(--reasoning-sticky-inset);background:inherit}.reasoning-block-trigger-sticky:after{top:100%;height:1.5rem;background:linear-gradient(to bottom,var(--trace-surface),transparent)}.reasoning-block-content{display:grid;grid-template-rows:0fr;overflow:hidden;opacity:0;pointer-events:none;transition:grid-template-rows .18s cubic-bezier(.16,1,.3,1),opacity .14s ease-out}.reasoning-block-content[data-state=open]{grid-template-rows:1fr;opacity:1;pointer-events:auto}.reasoning-block-content-inner{min-height:0;overflow:hidden;transform:translateY(-2px);transition:transform .18s cubic-bezier(.16,1,.3,1)}.reasoning-block-content[data-state=open] .reasoning-block-content-inner{transform:translateY(0)}.trace-shimmer{color:inherit;background-image:linear-gradient(90deg,currentColor,color-mix(in srgb,currentColor 45%,transparent) 40%,currentColor 80%);background-size:200% 100%;background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;animation:trace-shimmer 1.8s ease-in-out infinite}@keyframes trace-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}@media (prefers-reduced-motion:reduce){.reasoning-block-content,.reasoning-block-content-inner{transition:none}.trace-shimmer{animation:none;color:inherit;-webkit-text-fill-color:currentColor;background:none}}