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var(--line);background:#f7f8f5;border-radius:9px;max-height:55vh;padding:18px;font:13px/1.6 Arial,Helvetica,sans-serif;overflow:auto}.canvas-empty{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.canvas-empty .empty-glyph{font-size:70px}.canvas-empty h3{font:400 29px var(--serif);margin:0 0 6px}.canvas-empty p{max-width:420px;color:var(--muted);font-size:13px;line-height:1.5}[dir=rtl] .turn .message.member{align-self:flex-start}[dir=rtl] .turn .message.assistant{align-self:flex-end}@media (max-width:780px){.workspace-layout{min-height:0}.surface-nav{justify-content:space-around;padding:7px 15px}.surface-nav button{flex:1;justify-content:center;padding:10px 6px}.surface-heading{padding:18px 20px}.surface-heading h2{font-size:26px}.thread-strip{padding:9px 15px}.canvas-layout{grid-template-rows:auto minmax(0,1fr);grid-template-columns:1fr}.canvas-sidebar{border-inline-end:0;border-bottom:1px solid var(--line);max-height:190px;padding:10px 16px}.canvas-sidebar h3{margin:9px 0 7px}.format-grid{display:flex;overflow:auto}.format-grid button{min-width:88px}.canvas-list{flex-direction:row;overflow:auto}.canvas-list button{min-width:155px;max-width:185px}.canvas-stage{padding:15px}.canvas-title-row{flex-wrap:wrap}.diagram-nodes{grid-template-columns:1fr}.composer{padding:12px 15px 16px}.chat-surface .transcript{padding:16px}}