.chatInfoBackdrop{position:fixed;inset:0;background:rgba(0,0,0,.28);opacity:0;pointer-events:none;transition:opacity .18s;z-index:89}.details{position:fixed!important;top:0;right:0;bottom:0;width:320px;display:block!important;z-index:90;transform:translateX(105%);transition:transform .2s ease;box-shadow:-16px 0 40px rgba(0,0,0,.12);overflow-y:auto;background:var(--panel)!important;padding:28px 22px 34px!important}.chatInfoOpen .chatInfoBackdrop{opacity:1;pointer-events:auto}.chatInfoOpen .details{transform:translateX(0)}.chatInfoClose{position:absolute;top:14px;right:14px;width:34px;height:34px;border:0;border-radius:12px;background:var(--panel2);color:var(--text);font-size:22px;line-height:1;cursor:pointer}.chatInfoTrigger,.chatInfoTriggerAvatar{cursor:pointer}.chatInfoTrigger:hover strong{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.chatInfoExtra{text-align:left;margin-top:8px}.chatInfoRow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid var(--border);font-size:13px}.chatInfoRow span,.chatInfoBlock>span{color:var(--muted);font-size:12px}.chatInfoRow strong{font-size:13px;text-align:right;word-break:break-word}.chatInfoBlock{padding:15px 0;border-top:1px solid var(--border)}.chatInfoBlock p{margin:8px 0 0;font-size:13px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}.chatInfoLoading,.chatInfoMuted{padding:14px 0;color:var(--muted);font-size:12px}.chatInfoMembers{margin-top:8px;display:flex;flex-direction:column;gap:6px}.chatInfoMember{width:100%;border:0;background:transparent;border-radius:14px;padding:8px;display:flex;align-items:center;gap:10px;text-align:left;color:var(--text);cursor:pointer}.chatInfoMember:hover{background:var(--panel2)}.chatInfoMemberAvatar{width:38px;height:38px;flex:0 0 38px;border-radius:13px;background:#ddd9ff;display:grid;place-items:center;font-size:13px;font-weight:700;overflow:hidden}.chatInfoMemberAvatar img{width:100%;height:100%;object-fit:cover}.chatInfoMember>div:last-child{min-width:0;display:flex;flex-direction:column}.chatInfoMember strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chatInfoMember span{font-size:11px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.details .bigAvatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}

/* Desktop: info now opens as an overlay, so the old third grid column is no longer needed. */
@media(min-width:901px){
  .app{grid-template-columns:320px minmax(0,1fr)!important}
  .msgLine,.msgLine.mine{justify-content:flex-start!important;max-width:none!important;margin-left:0!important;margin-right:0!important}
  .msgLine.mine[data-group-author-ready="1"] .groupAuthorAvatar{order:0!important}
  .msgLine.mine[data-group-author-ready="1"] .bubble{order:1!important}
  .msgLine.mine[data-group-author-ready="1"] .msgActions{order:2!important;margin-left:1px!important;margin-right:0!important}
}

@media(max-width:1120px) and (min-width:901px){.app{grid-template-columns:300px minmax(0,1fr)!important}}
@media(max-width:900px){.details{width:min(360px,88vw);padding-top:54px!important}.chatInfoBackdrop{background:rgba(0,0,0,.38)}}@media(max-width:560px){.details{width:100%;top:auto;height:min(78dvh,680px);border-radius:24px 24px 0 0;transform:translateY(105%);padding:50px 20px 28px!important}.chatInfoOpen .details{transform:translateY(0)}.chatInfoClose{top:12px;right:14px}.details .bigAvatar{margin-top:0}.chatInfoBackdrop{background:rgba(0,0,0,.42)}}