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span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.discussion-quote button{width:26px;height:26px;flex:0 0 auto;padding:0;color:var(--muted);border:0;border-radius:50%;background:transparent}@media(max-width:620px){.app-shell{padding-left:12px;padding-right:12px}.stream-header{gap:8px}.date-mark{gap:6px}.date-mark strong{font-size:17px}.date-mark span{display:none}.header-actions{gap:0}.ai-state{min-width:66px;margin-right:1px}.header-actions .icon-button{width:40px;height:40px}.message{max-width:86%}.report-message{width:90%}.chat-composer,.discussion-composer{bottom:calc(62px + env(safe-area-inset-bottom));width:calc(100% - 24px)}.archive-row{grid-template-columns:92px 1fr;gap:12px}.tech-card-diagram{grid-template-columns:1fr;gap:12px}.tech-card-node{min-height:0}.tech-card-node:not(:last-child):after{content:"\2193";inset:auto auto -18px 50%;transform:translate(-50%)}}@media(max-width:460px){.annotation-toolbar{left:auto;right:8px;grid-template-columns:auto 42px 42px 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