.mobile-back{display:none}
@media(max-width:760px){
  html,body{height:100%;width:100%;overscroll-behavior:none}
  .app-shell{display:block;position:relative;height:100dvh;background:#20242a}
  .sidebar,.chat-panel{position:absolute;inset:0;width:100%;height:100%;transition:transform .22s cubic-bezier(.2,.8,.2,1),opacity .18s ease}
  .sidebar{z-index:3;padding:12px 10px 8px;border-right:0;transform:translateX(0);opacity:1}.chat-panel{z-index:4;transform:translateX(100%);background:#20242a}
  body.mobile-chat-open .sidebar{transform:translateX(-22%);opacity:.35;pointer-events:none}body.mobile-chat-open .chat-panel{transform:translateX(0)}
  .brand-name{display:block}.sidebar-top{padding:0 3px 10px}.mini-logo{width:35px;height:35px}.icon-button{width:36px;height:36px}
  .me-card{margin-bottom:10px}.search-box{height:43px}.conversation-list{height:calc(100dvh - 226px)}.conversation{padding:11px 10px}.conversation .avatar{width:45px;height:45px}.conv-name{font-size:14px}.conv-preview{font-size:12px}
  .chat-view{height:100dvh;grid-template-rows:66px minmax(0,1fr) auto}.chat-header{height:66px;min-height:66px;padding:0 8px 0 5px}.mobile-back{display:grid;place-items:center;flex:none;width:38px;height:38px;border:0;border-radius:12px;background:transparent;color:#c9d3df;font-size:32px;line-height:1}.mobile-back:active{background:#343b46}.peer-wrap{padding:5px;gap:8px}.peer-wrap .avatar{width:38px;height:38px;border-radius:13px}.peer-name{font-size:13.5px}.call-button{width:39px;height:39px;padding:0;display:grid;place-items:center}.call-button span{display:none}
  .messages{padding:12px 9px 7px}.message-stack{max-width:88%}.bubble{padding:9px 12px 6px}.bubble-text{font-size:14px}.react-add{display:none}
  .composer-wrap{padding-top:5px}.composer{margin:0 7px max(7px,env(safe-area-inset-bottom));min-height:54px;padding:6px;border-radius:18px}.composer textarea{min-height:40px;font-size:16px;padding:9px 3px}.attach-button,.send-button{width:40px;height:40px}.emoji-picker{position:fixed;left:7px;right:7px;bottom:calc(67px + env(safe-area-inset-bottom));width:auto;max-height:50dvh}.emoji-grid{grid-template-columns:repeat(7,1fr);max-height:31dvh}
  .modal{padding:10px;align-items:end}.modal-card{width:100%!important;max-height:88dvh;border-radius:25px 25px 18px 18px;padding:23px 18px;overflow:auto}.call-card{margin:auto;border-radius:25px;width:calc(100vw - 18px)}.call-video-stage{height:48dvh}.mini-call{left:8px;right:8px;bottom:8px}
  .screen-round,.mini-call-control[title="Демонстрация экрана"]{display:none}
  .server-details{display:none}.auth-screen{padding:14px}.auth-card{border-radius:25px;padding:23px 19px}.auth-logo{width:64px;height:64px}.brand-lockup{margin-bottom:20px}.auth-card input{font-size:16px}
}