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860px){.chat-workspace{grid-template-columns:1fr}.chat-workspace-sidebar{max-height:260px;border-right:0;border-bottom:1px solid var(--color-border)}.chat-workspace-composer-actions{align-items:stretch;flex-wrap:wrap}.chat-workspace-composer-model{width:100%}.chat-workspace-composer-spacer{display:none}.chat-workspace-message{max-width:100%}}
