.reasoning{animation:reasoning-fade-in var(--transition-base) both}@keyframes reasoning-fade-in{0%{opacity:0}to{opacity:1}}.reasoning-trigger{align-items:center;gap:var(--space-1-5);color:var(--color-text-secondary);font-family:var(--type-caption-family);font-size:var(--font-size-xs);cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;padding:0;display:inline-flex}.reasoning-trigger:not(:disabled):hover{color:var(--color-text-primary)}.reasoning-trigger:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:2px;border-radius:var(--radius-sm)}.reasoning-trigger:disabled{cursor:default}.reasoning-duration{color:var(--color-text-tertiary)}.reasoning--active .reasoning-label{background:linear-gradient(90deg, var(--color-text-secondary) 0%, var(--color-text-primary) 50%, var(--color-text-secondary) 100%);color:#0000;background-size:200% 100%;-webkit-background-clip:text;background-clip:text;animation:2.4s linear infinite reasoning-sheen}@keyframes reasoning-sheen{0%{background-position:200% 0}to{background-position:-200% 0}}.reasoning-chevron{transition:transform var(--transition-fast)}.reasoning-chevron.open{transform:rotate(180deg)}.reasoning-reveal{margin-top:var(--space-2);transition:grid-template-rows var(--transition-base), margin-top var(--transition-base);grid-template-rows:1fr;display:grid}.reasoning-reveal--closed{grid-template-rows:0fr;margin-top:0}.reasoning--active .reasoning-reveal{animation:reasoning-reveal-open var(--transition-base) both}@keyframes reasoning-reveal-open{0%{grid-template-rows:0fr;margin-top:0}to{margin-top:var(--space-2);grid-template-rows:1fr}}.reasoning-body{min-height:0;padding:0 var(--space-1);font-size:var(--font-size-xs);line-height:var(--line-height-relaxed);color:var(--color-text-secondary);border-left:2px solid var(--color-border-primary);padding-left:var(--space-3);margin:0;overflow:hidden}.reasoning-steps{min-height:0;padding-top:var(--space-1);overflow:hidden}.reasoning-step-node{width:var(--icon-size-md);height:var(--icon-size-md);border-radius:var(--radius-full);border:1.5px solid var(--color-border-primary);color:var(--color-icon-secondary);background:var(--color-surface-primary);justify-content:center;align-items:center;display:inline-flex}.thread-item.is-complete .reasoning-step-node{border-color:var(--color-fill-primary);background:var(--color-fill-primary);color:var(--color-text-inverse)}.thread-item.is-active .reasoning-step-node{border-color:var(--color-accent-primary);color:var(--color-accent-primary)}.reasoning-step-label{font-size:var(--font-size-xs);color:var(--color-text-primary)}.reasoning-step-desc{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.reasoning-step-results{gap:var(--space-1-5);margin-top:var(--space-1);flex-wrap:wrap;display:flex}.tool-call{gap:var(--space-1);flex-direction:column;display:flex}.tool-call-row{align-items:center;gap:var(--space-2);min-height:var(--control-height-sm);padding:0 var(--space-2);margin-inline:calc(var(--space-2) * -1);border-radius:var(--radius-tier-inset,var(--radius-md));font-size:var(--font-size-xs);color:var(--color-text-secondary);width:calc(100% + var(--space-4));text-align:left;transition:background var(--transition-fast);background:0 0;border:none;display:flex}button.tool-call-row{cursor:pointer}button.tool-call-row:hover{background:var(--color-fill-hover)}button.tool-call-row:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:-2px}.tool-call-status{flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.tool-call-name{font-family:var(--font-family-mono);color:var(--color-text-primary)}.tool-call-target{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.tool-call-node{margin-left:var(--space-1)}.tool-call-diff{font-family:var(--font-family-mono);white-space:nowrap}.tool-call-diff-add{color:var(--color-success)}.tool-call-diff-del{color:var(--color-error)}.tool-call-duration{font-family:var(--font-family-mono);color:var(--color-text-tertiary);flex-shrink:0;margin-left:auto}.tool-call-result{margin:var(--space-1) 0 var(--space-2) calc(var(--icon-size-md) + var(--space-2))}.tool-call-group-head{font-weight:var(--font-weight-medium);color:var(--color-text-primary)}.tool-call-group-list{padding-left:var(--space-2);border-left:1px solid var(--color-border-primary);margin-left:calc(var(--icon-size-md) / 2);flex-direction:column;display:flex}.plan{gap:var(--space-3);padding:var(--list-pad,var(--space-4));border:1px solid var(--color-border-primary);border-radius:var(--radius-tier-inset,var(--radius-lg));background:var(--config-card-bg,transparent);flex-direction:column;display:flex}.plan-head{align-items:center;gap:var(--space-3);display:flex}.plan-title{min-width:0;font-family:var(--type-body-lg-family);font-size:var(--type-body-lg-size);font-weight:var(--type-body-lg-weight);line-height:var(--type-body-lg-leading);letter-spacing:var(--type-body-lg-tracking);color:var(--color-text-primary);flex:1;margin:0}.plan-count{font-family:var(--font-family-mono);font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.plan-list{gap:var(--space-3);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.plan-item{align-items:flex-start;gap:var(--space-2);font-size:var(--font-size-xs);color:var(--color-text-secondary);display:flex}.plan-item>.progress-ring{margin-top:1px}.plan-item--complete .plan-item-label{color:var(--color-text-tertiary);text-decoration:line-through}.plan-item--active .plan-item-label,.plan-item-label{color:var(--color-text-primary)}.plan-item-desc{color:var(--color-text-tertiary);display:block}.sources{gap:var(--space-2);flex-direction:column;display:flex}.sources-list{gap:var(--space-1);flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.source-item{align-items:center;gap:var(--space-2);min-height:var(--control-height-sm);padding:0 var(--space-2);margin-inline:calc(var(--space-2) * -1);border-radius:var(--radius-tier-inset,var(--radius-md));color:var(--color-text-primary);font-size:var(--font-size-xs);transition:background var(--transition-fast);text-decoration:none;display:flex}.source-item:hover{background:var(--color-fill-hover)}.source-item:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:-2px}.source-index{width:var(--icon-size-md);height:var(--icon-size-md);border-radius:var(--radius-full);font-family:var(--font-family-mono);font-size:var(--font-size-2xs,10px);background:var(--color-surface-deep);color:var(--color-text-secondary);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.source-title{text-overflow:ellipsis;white-space:nowrap;min-width:0;overflow:hidden}.source-domain{color:var(--color-text-tertiary);flex-shrink:0;margin-left:auto}.citation{vertical-align:super;min-width:var(--icon-size-sm);height:var(--icon-size-sm);padding:0 var(--space-1);border-radius:var(--radius-full);font-family:var(--font-family-mono);font-size:var(--font-size-2xs,10px);color:var(--color-text-secondary);background:var(--color-surface-deep);cursor:pointer;transition:background var(--transition-fast), color var(--transition-fast);border:none;justify-content:center;align-items:center;margin-left:2px;line-height:1;display:inline-flex}.citation:hover{background:var(--color-fill-hover);color:var(--color-text-primary)}.citation:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:1px}.citation--label{vertical-align:baseline;height:auto;min-height:var(--icon-size-lg);padding:0 var(--space-2);font-family:var(--font-family);font-size:var(--font-size-xs);gap:var(--space-1)}.citation-quote{padding-left:var(--space-3);border-left:2px solid var(--color-border-primary);color:var(--color-text-secondary);font-size:var(--font-size-xs);margin:0}.chat-carousel{gap:var(--space-3);flex-direction:column;display:flex;position:relative}.chat-carousel-track{gap:var(--space-3);scroll-snap-type:x mandatory;scroll-padding-inline:var(--space-1);padding:var(--space-1);margin:calc(var(--space-1) * -1);scrollbar-width:none;display:flex;overflow-x:auto}.chat-carousel-track::-webkit-scrollbar{display:none}.chat-carousel-item{scroll-snap-align:start;--card-pad:var(--list-pad,var(--space-4));flex:0 0 clamp(180px,36%,224px)}.chat-carousel-item .card-image{aspect-ratio:16/10;border-radius:0;margin:0}.chat-carousel-item .card-media-body{padding-top:var(--space-2);gap:var(--space-1)}.chat-carousel-item .card-title{font-family:var(--type-subheading-family);font-size:var(--type-subheading-size);font-weight:var(--type-subheading-weight);line-height:var(--type-subheading-leading);letter-spacing:var(--type-subheading-tracking);margin-bottom:0}.chat-carousel-item .card-text{font-family:var(--type-small-family);font-size:var(--type-small-size);line-height:var(--type-small-leading)}.chat-carousel-item .card-media-body>.badge{margin-top:var(--space-1)}.chat-carousel-nav{justify-content:flex-end;gap:var(--space-2);display:flex}.chat-collection .list-item{padding:var(--space-2) var(--space-3);justify-content:flex-start}.chat-collection-rank{width:var(--icon-size-xl);font-family:var(--font-family-mono);font-size:var(--font-size-xs);color:var(--color-text-tertiary);text-align:center;flex-shrink:0}.chat-collection-icon{color:var(--color-icon-secondary);flex-shrink:0;display:inline-flex}.chat-collection-info{gap:var(--space-0-5);flex-direction:column;flex:1;min-width:0;display:flex}.chat-collection-trailing{align-items:center;gap:var(--space-2);flex-shrink:0;display:flex}.confirmation-outcome{align-items:center;gap:var(--space-2);font-size:var(--type-small-size);color:var(--color-text-secondary);display:flex}.confirmation-outcome--rejected{color:var(--color-text-tertiary)}.confirmation-params{column-gap:var(--space-4);row-gap:var(--space-1);font-size:var(--font-size-xs);grid-template-columns:max-content 1fr;display:grid}.confirmation-params dt{color:var(--color-text-tertiary)}.confirmation-params dd{font-family:var(--font-family-mono);color:var(--color-text-primary);text-overflow:ellipsis;white-space:nowrap;margin:0;overflow:hidden}.question{gap:var(--space-3);padding:var(--list-pad,var(--space-4));border:1px solid var(--color-border-primary);border-radius:var(--radius-tier-inset,var(--radius-lg));background:var(--config-card-bg,transparent);flex-direction:column;display:flex}.question-prompt{font-size:var(--type-small-size);color:var(--color-text-primary);margin:0}.question-choices{gap:var(--space-2);flex-wrap:wrap;display:flex}.question-choice[aria-pressed=true]{background:var(--color-fill-selected);border-color:var(--color-border-hover);color:var(--color-text-primary)}.choices-list{gap:var(--space-2);border:none;flex-direction:column;min-width:0;margin:0;padding:0;display:flex}.choices-list .radio-card:has(.checkbox:checked){border-color:var(--accent-tint-border);background:color-mix(in srgb, var(--color-accent-primary) var(--accent-tint-strength), transparent)}.question-footer{align-items:center;gap:var(--space-2);display:flex}.question-footer .input{flex:1;min-width:0}.question-answered{align-items:center;gap:var(--space-2);font-size:var(--type-small-size);color:var(--color-text-secondary);display:flex}@media (prefers-reduced-motion:reduce){.reasoning{animation:none}.reasoning--active .reasoning-label{color:var(--color-text-secondary);background:0 0;animation:none}.reasoning-reveal{transition:none}.reasoning--active .reasoning-reveal{animation:none}}.chat-artifact-action{align-items:center;gap:var(--space-2);flex-shrink:0;align-self:center;display:inline-flex}.chat-artifact-inline{width:100%}.chat-artifact-editor{padding:var(--list-pad,var(--space-4)) var(--card-pad-x);gap:var(--space-4)}.chat-artifact-toolbar{justify-content:space-between;align-items:center;gap:var(--space-2);display:flex}.chat-artifact-toolbar-trailing{align-items:center;gap:var(--space-1);display:inline-flex}.chat-artifact-editor-text{font-family:var(--type-body-family);font-size:var(--type-body-size);font-weight:var(--type-body-weight);line-height:var(--type-body-leading);letter-spacing:var(--type-body-tracking);color:var(--color-text-primary);max-width:68ch}.chat-artifact-editor-text p{margin:0}.chat-artifact-editor-text p+p{margin-top:var(--space-3)}.chat-artifact-canvas{aspect-ratio:2;background-color:var(--color-surface-subtle);background-image:linear-gradient(var(--color-border-primary) 1px, transparent 1px), linear-gradient(90deg, var(--color-border-primary) 1px, transparent 1px);background-size:var(--space-10) var(--space-10);min-height:240px;position:relative;overflow:hidden}.chat-artifact-canvas>img,.chat-artifact-canvas>iframe{object-fit:cover;border:0;width:100%;height:100%;position:absolute;inset:0}.chat-artifact-overlay{top:var(--space-3);left:var(--space-3);right:var(--space-3);pointer-events:none;justify-content:space-between;align-items:flex-start;display:flex;position:absolute}.chat-artifact-overlay>*{pointer-events:auto;box-shadow:var(--shadow-sm)}.chat-artifact-canvas:has(>.map-pins){background-image:none}.chat-artifact-canvas>.map-pins{top:var(--space-3);bottom:var(--space-3);width:auto;max-width:100%;height:auto;margin:0;position:absolute;left:50%;transform:translate(-50%)}.chat-artifact-canvas:has(>.chat-artifact-dock)>.map-pins{bottom:var(--space-32)}.chat-artifact-dock{gap:var(--space-2);flex-direction:column;display:flex;position:absolute;bottom:0;left:0;right:0}.chat-artifact-strip-nav{justify-content:flex-end;gap:var(--space-2);padding:0 var(--space-3);display:flex}.chat-artifact-strip-nav .btn{box-shadow:var(--shadow-sm)}.chat-artifact-strip{gap:var(--space-3);padding:var(--space-3);scroll-snap-type:x mandatory;scroll-padding-inline:var(--space-3);scrollbar-width:none;padding-top:0;display:flex;overflow-x:auto}.chat-artifact-strip::-webkit-scrollbar{display:none}.chat-artifact-place{scroll-snap-align:start;align-items:flex-start;gap:var(--space-3);padding:var(--space-3);text-align:left;border:1px solid var(--color-border-primary);border-radius:var(--radius-tier-inset,var(--radius-lg));background:var(--color-surface-elevated);box-shadow:var(--shadow-sm);color:inherit;font:inherit;cursor:pointer;transition:border-color var(--transition-fast), background var(--transition-fast);flex:0 0 clamp(220px,46%,320px);display:flex}.chat-artifact-place:hover{border-color:var(--color-border-hover)}.chat-artifact-place:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:2px}.chat-artifact-place-thumb{width:var(--space-12);height:var(--space-12);border-radius:var(--radius-md);background:var(--color-surface-deep);color:var(--color-icon-tertiary);flex-shrink:0;justify-content:center;align-items:center;display:inline-flex;overflow:hidden}.chat-artifact-place-thumb img{object-fit:cover;width:100%;height:100%}.chat-artifact-place-info{align-items:flex-start;gap:var(--space-1);flex-direction:column;min-width:0;display:flex}.chat-artifact-place-title{font-family:var(--type-subheading-family);font-size:var(--type-subheading-size);font-weight:var(--type-subheading-weight);line-height:var(--type-subheading-leading);color:var(--color-text-primary);white-space:nowrap;text-overflow:ellipsis;max-width:100%;overflow:hidden}.chat-artifact-place-meta{align-items:center;gap:var(--space-1);font-family:var(--type-small-family);font-size:var(--type-small-size);line-height:var(--type-small-leading);color:var(--color-text-secondary);display:inline-flex}.chat-artifact-changes{padding-top:var(--list-pad,var(--space-4))}.chat-artifact-changes .card-header{padding:0 var(--card-pad-x) var(--list-pad,var(--space-4));margin:0}.chat-artifact-changes-toggle{all:unset;cursor:pointer;border-radius:var(--radius-sm);display:block}.chat-artifact-changes-toggle:focus-visible{outline:2px solid var(--color-accent-primary);outline-offset:2px}.chat-artifact-changes .card-title{margin:0}.chat-artifact-files .list-item{padding:var(--space-3) var(--card-pad-x)}.chat-artifact-files .list-item:first-child{border-top:1px solid var(--color-border-primary)}.chat-artifact-file{font-family:var(--type-mono-family);font-size:var(--type-mono-size)}.chat-artifact-diff{font-family:var(--type-mono-family);font-size:var(--type-mono-size);font-weight:var(--font-weight-medium)}.chat-artifact-diff-add{color:var(--color-success)}.chat-artifact-diff-del{color:var(--color-error)}