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13px}.activity-step-active{border-color:var(--info-border);background:var(--brand-blueberry-soft)}.activity-step-row{align-items:flex-start;gap:11px;display:flex}.activity-step-dot{background:var(--neutral-border);border-radius:50%;flex:none;width:8px;height:8px;margin-top:4px}.activity-step-dot-done{background:var(--success-text)}.activity-step-dot-active{background:var(--brand-blueberry);animation:1.6s ease-in-out infinite chatPulse}.activity-step-dot-queued{background:var(--warn-text)}.activity-step-dot-unknown{background:var(--danger-text)}.activity-step-label{color:var(--text);font-size:.82rem;line-height:1.4;display:block}.activity-step-detail{color:var(--text-muted);margin:4px 0 0;font-size:.74rem;line-height:1.5}.activity-step-facts{gap:5px;margin:9px 0 0;display:grid}.activity-step-facts>div{align-items:baseline;gap:8px;display:flex}.activity-step-facts dt{color:var(--text-muted);text-transform:uppercase;min-width:44px;font:.62rem DM Mono,monospace}.activity-step-facts dd{color:var(--text);margin:0;font:.66rem DM Mono,monospace}.activity-step-status-done,.activity-step-status-active{color:var(--brand-blueberry-deep)}.activity-step-status-unknown{color:var(--danger-text)}.activity-step-model{color:var(--brand-blueberry-deep)}.activity-rail-note{border-top:1px solid var(--border);color:var(--text-muted);margin:0;padding-top:12px;font:.68rem/1.55 DM Mono,monospace}@keyframes chatPulse{0%,to{opacity:.55}50%{opacity:1}}@media (prefers-reduced-motion:reduce){.chat-page .chat-thread-streaming,.chat-page .activity-run-dot,.chat-page .activity-step-dot-active{animation:none}}@media (width<=980px){.chat-page{grid-template-columns:1fr}.activity-rail{width:auto;position:static}.chat-bubble{max-width:100%}}@media (width<=820px){.sidebar{-webkit-overflow-scrolling:touch;overscroll-behavior-inline:contain;scrollbar-width:none;flex-flow:row;align-items:center;gap:4px;display:flex;overflow-x:auto}.sidebar::-webkit-scrollbar{display:none}.sidebar a,.disabled-link{text-align:center;white-space:nowrap;flex:none}.session-list{flex-wrap:nowrap;flex:none;gap:6px;display:flex}.session-item{flex:none;min-width:190px;padding:8px 10px}.session-preview{display:none}.session-state{flex:none}}@media (width<=560px){.chat-message{grid-template-columns:1fr;gap:6px}.chat-message .pill{justify-self:start}.chat-tool{grid-column:1}.composer{grid-template-columns:1fr}.composer button{width:100%}}