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.2s;display:flex;align-items:center;justify-content:center;flex-shrink:0}.send-btn:hover{background:#5a4bd1}.send-btn:disabled{background:#c4b5fd;cursor:not-allowed}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 16px;color:#9ca3af;font-size:15px;gap:8px}.empty-state.small{padding:30px 16px;font-size:13px}.empty-icon{font-size:40px}@media(min-width:768px){.agent-sidebar{width:420px;min-width:420px;border-right:1px solid #e5e7eb}.agent-sidebar.full{width:420px;min-width:420px}.agent-chat{display:flex;flex:1}.agent-chat .empty-state{flex:1}.desktop-only{display:flex}.agent-layout .back-btn{display:none}.message-bubble{max-width:75%}.tailor-layout.has-selected>.tailor-sidebar{display:flex}.tailor-sidebar{width:380px;min-width:380px;border-right:1px solid #e5e7eb}.tailor-sidebar.full{width:380px;min-width:380px}.tailor-chat{display:flex;flex:1}.tailor-chat .empty-state{flex:1}.tailor-layout .back-btn{display:none}}