/* R2.6: only details/history scroll; the composer stays visible above mobile navigation. */
#cb-app .cb-market-chat{overflow:hidden}
#cb-app .cb-market-chat .cb-chat-history{min-height:0;overflow-y:auto}
#cb-app .cb-market-chat .cb-chat-form{min-height:100px;max-height:65%;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;gap:0;flex:0 1 auto;overflow:hidden}
#cb-app .cb-chat-details{grid-row:1;min-width:0;min-height:0;max-height:180px;margin-bottom:5px;overflow-y:auto;overscroll-behavior:contain;touch-action:pan-y;display:grid;gap:5px}
#cb-app .cb-chat-compose-row{grid-row:2;min-width:0;min-height:44px;flex-shrink:0}
#cb-app .cb-chat-compose-label{min-width:0}
#cb-app .cb-chat-feedback{max-height:none;overflow:visible}
#cb-app .cb-market-chat[data-public="true"]{overflow:hidden}
#cb-app .cb-market-chat[data-public="true"] .cb-chat-form{min-height:54px;max-height:calc(100% - 88px);grid-template-rows:minmax(0,1fr) auto;gap:0;overflow:hidden}
#cb-app .cb-market-chat[data-public="true"] .cb-chat-details{max-height:150px}
#cb-app .cb-market-chat[data-public="true"] .cb-chat-feedback{max-height:none;overflow:visible}
#cb-app .cb-market-chat[data-public="false"] .cb-chat-text{box-sizing:border-box;width:100%;height:76px;min-height:76px;max-height:76px;resize:none}
#cb-app .cb-market-chat[data-public="false"] .cb-chat-compose-label{display:block;font-size:0;line-height:0}
#cb-app .cb-market-chat[data-public="false"] .cb-chat-send{max-width:130px;white-space:normal;overflow-wrap:anywhere}
#cb-app .cb-market-chat[data-public="false"] .cb-chat-recipient{max-height:48px;overflow-y:auto}
@media(max-width:800px){
  #cb-app .cb-market-chat[data-public="true"]{left:8px;bottom:8px;width:min(360px,calc(100% - 16px));height:min(300px,calc(100% - 16px));max-height:calc(100% - 16px);min-height:0}
  #cb-app .cb-market-chat[data-public="false"]{top:8px;right:8px;bottom:8px;width:calc(100% - 16px);max-height:calc(100% - 16px);border:1px solid var(--line);border-radius:12px}
  #cb-app .cb-market-chat[data-public="false"] .cb-chat-form{min-height:96px;padding-bottom:8px}
  #cb-app .cb-market-chat .cb-chat-text,#cb-app .cb-chat-options select{font-size:16px}
  #cb-app .cb-market-chat[data-public="true"][data-minimized="true"]{height:44px;max-height:calc(100% - 16px)}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="true"]{grid-template-rows:44px 44px minmax(0,1fr) auto}
  #cb-app .cb-market-chat[data-viewport-short="true"] .cb-chat-details{max-height:100px}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-header{min-height:44px;padding:0 6px 0 10px;gap:4px}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-header h2{font-size:14px;margin:0}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-local-label{display:none}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-modes{height:44px;min-height:44px;padding:0 4px}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-recipient{max-height:24px;padding:3px 8px}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-threads{max-height:44px;padding:0 6px}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"][data-has-peer="true"] .cb-chat-threads{display:none}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"][data-has-peer="false"] .cb-chat-form{display:none}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-form{min-height:62px;padding:5px 6px;max-height:50%}
  #cb-app .cb-market-chat[data-viewport-short="true"][data-public="false"] .cb-chat-text{height:52px;min-height:52px;max-height:52px}
}