/* IIN chat workspace v146. Shared tokens, contained composer sizing. */
.discussion-chat{
  --chat-ink:#17382b;--chat-muted:#596e62;--chat-line:#e0e8e2;--chat-soft:#f1f5f2;
  --chat-paper:#fff;--chat-green:#187b57;--chat-tint:#e5f3eb;--chat-danger:#982c28;
  --chat-safe-bottom:env(safe-area-inset-bottom,0px);
  grid-template-columns:minmax(280px,338px) minmax(0,1fr);border-color:var(--chat-line);border-radius:20px;
  background:var(--chat-paper);box-shadow:0 8px 28px rgba(23,56,43,.045);color:var(--chat-ink)
}
.discussion-chat button,.discussion-chat input,.discussion-chat textarea{font-family:inherit}
.discussion-chat button:focus-visible,.discussion-chat a:focus-visible{outline:3px solid #237a56;outline-offset:3px}
.discussion-chat .discussion-rooms-pane{background:var(--chat-paper);border-color:var(--chat-line)}
.discussion-chat .discussion-rooms-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:24px 20px 15px;border:0;flex:0 0 auto}
.discussion-chat .discussion-rooms-head b{font-size:25px;line-height:1.2;letter-spacing:-.7px;color:var(--chat-ink);font-weight:800}
.discussion-chat .discussion-rooms-head div>span{display:block;margin-top:7px;font-size:12px;line-height:1.45;color:var(--chat-muted)}
.discussion-chat .chat-brand-mark{display:inline-flex!important;align-items:center;justify-content:center;width:42px;height:42px;margin:0;flex:0 0 42px;border-radius:14px;background:var(--chat-green);color:#fff;font-size:13px;font-weight:850;letter-spacing:1px}
.chat-room-controls{padding:0 16px 14px;flex:0 0 auto}
.chat-room-search{display:flex;align-items:center;gap:9px;min-height:46px;padding:0 13px;border:1px solid transparent;border-radius:13px;background:var(--chat-soft);color:var(--chat-muted)}
.chat-room-search:focus-within{border-color:var(--chat-green);box-shadow:0 0 0 3px #e5f3eb}
.chat-room-search svg{width:19px;height:19px;flex:0 0 19px}
.chat-room-search input{width:100%;min-width:0;min-height:44px;border:0;background:transparent;color:var(--chat-ink);padding:8px 0;outline:none;font-size:14px;box-shadow:none}
.chat-room-search input::placeholder{color:var(--chat-muted);opacity:1}
.chat-room-filters{display:flex;align-items:center;gap:6px;margin-top:9px}
.chat-room-filters button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;border:0;border-radius:11px;padding:8px 13px;background:transparent;color:var(--chat-muted);font-size:13px;font-weight:700}
.chat-room-filters button[aria-pressed=true]{background:var(--chat-tint);color:#146343}
.chat-room-filters button:hover{background:var(--chat-soft)}
#chatUnreadRooms{display:inline-flex;align-items:center;justify-content:center;min-width:21px;height:21px;border-radius:50px;padding:0 5px;background:#e0e9e2;color:#325a43;font-size:11px;font-variant-numeric:tabular-nums}
.discussion-chat .discussion-rooms{padding:0 10px 12px;gap:3px}
.discussion-chat .discussion-room{min-height:82px;padding:13px 10px;gap:12px;border:0;border-radius:13px;box-shadow:none;transition:background-color .12s ease}
.discussion-chat .discussion-room.active{background:var(--chat-tint);box-shadow:none}
.discussion-chat .discussion-room:hover{background:#f1f6f3}
.discussion-chat .discussion-room-avatar{width:48px;height:48px;border-radius:15px!important;background:var(--room-color,var(--chat-green));box-shadow:none;font-size:13px}
.discussion-chat .discussion-room-copy{gap:6px}
.discussion-chat .discussion-room-top b{color:var(--chat-ink);font-size:14px;font-weight:700;letter-spacing:-.15px}
.discussion-chat .discussion-room-top time{color:var(--chat-muted);font-size:10px}
.discussion-chat .discussion-room-preview{font-size:12.5px;line-height:1.45;color:var(--chat-muted)}
.discussion-chat .discussion-room.co-tin-moi .discussion-room-top b{font-weight:800}
.discussion-chat .discussion-room.co-tin-moi .discussion-room-preview{color:#234b35;font-weight:700}
.discussion-chat .discussion-room-unread{height:22px;min-width:22px;background:var(--chat-green);font-size:11px;color:#fff}
.discussion-chat .discussion-thread{position:relative;background:var(--chat-paper)}
.discussion-chat .discussion-thread-head{padding:15px 22px;min-height:80px;gap:12px;background:var(--chat-paper);border-color:var(--chat-line)}
.discussion-chat .discussion-thread-avatar{width:44px;height:44px;border-radius:14px!important;background:var(--room-color,var(--chat-green));font-size:12px;box-shadow:none}
.discussion-chat .discussion-thread-title{flex:1 1 auto;gap:5px}
.discussion-chat .discussion-thread-title b{font-size:17px;color:var(--chat-ink);letter-spacing:-.3px}
.discussion-chat .discussion-thread-title span{color:var(--chat-muted);font-size:12px;line-height:1.4}
.chat-thread-actions{display:flex;gap:4px;align-items:center;flex:0 0 auto}
.chat-icon-button{display:inline-flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;border:0;border-radius:12px;background:transparent;color:var(--chat-green);cursor:pointer}
.chat-icon-button svg{width:22px;height:22px}
.chat-icon-button:hover,.chat-icon-button[aria-expanded=true]{background:var(--chat-tint)}
.chat-thread-identity{display:flex;align-items:center;gap:11px;flex:1 1 auto;min-width:0;min-height:44px;padding:0;border:0;border-radius:12px;background:transparent;color:inherit;text-align:left;cursor:pointer}
.chat-thread-identity .discussion-thread-title{min-width:0}
.chat-mobile-bell{display:none}
.chat-room-preview-line{display:flex;align-items:center;gap:5px;min-width:0}
.chat-room-preview-line .discussion-room-preview{flex:1;min-width:0}
.chat-room-mobile-time{display:none}
.chat-message-detail{margin:5px 6px;color:var(--chat-muted);font-size:11px;line-height:1.5;overflow-wrap:anywhere}
.chat-message-detail[hidden]{display:none!important}
.discussion-chat .discussion-messages{padding:20px 26px 18px;gap:3px;background:#f7f9f7;scrollbar-gutter:stable}
.discussion-chat .discussion-day-divider{margin:16px 0 9px}
.discussion-chat .discussion-day-divider span{padding:5px 12px;border-radius:30px;background:#eaf0eb;color:#51685b;font-size:11px;line-height:1.5;font-weight:650}
.discussion-chat .discussion-chat-message{max-width:min(86%,620px);gap:8px}
.discussion-chat .discussion-chat-message.dau-cum{margin-top:12px}
.discussion-chat .discussion-message-bubble{padding:11px 15px;border-radius:18px;background:#eaf0ec!important;color:var(--chat-ink);font-size:14px;line-height:1.55;box-shadow:none!important}
.discussion-chat .discussion-chat-message.own .discussion-message-bubble{background:var(--chat-green)!important;color:#fff}
.discussion-chat .discussion-chat-message.chi-media .discussion-message-bubble{padding:0;background:transparent!important}
.discussion-chat .discussion-message-author{margin:0 0 4px 10px;color:#50695a;font-size:11.5px;font-weight:700}
.discussion-chat .discussion-message-meta{margin:4px 6px 3px;color:#5c7063;font-size:11px;line-height:1.4}
.discussion-chat .discussion-avatar,.discussion-chat .discussion-avatar-cho{width:30px;height:30px;flex-basis:30px}
.discussion-chat .chat-tin-them{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex:0 0 44px;color:#566b5d;font-size:21px;opacity:.6}
.discussion-chat .discussion-chat-message:hover .chat-tin-them,.discussion-chat .chat-tin-them:focus-visible{opacity:1;background:#e4ece6}
.discussion-chat .discussion-composer{padding:14px 20px 12px;gap:6px;border-color:var(--chat-line);background:var(--chat-paper)}
.discussion-chat .discussion-composer-hang{align-items:flex-end;gap:9px}
.discussion-chat .discussion-composer textarea{min-height:46px;max-height:132px;padding:12px 16px!important;border:1px solid transparent!important;border-radius:16px!important;background:var(--chat-soft)!important;color:var(--chat-ink);font-size:15px;line-height:1.45;outline:none;resize:none}
.discussion-chat .discussion-composer textarea:focus{border-color:var(--chat-green)!important;box-shadow:0 0 0 3px var(--chat-tint)!important;outline:none}
.discussion-chat .discussion-nut-tep,.discussion-chat .discussion-nut-gui{width:46px;height:46px;flex-basis:46px;border-radius:14px}
.discussion-chat .discussion-nut-tep{background:var(--chat-soft);color:var(--chat-green)}
.discussion-chat .discussion-nut-gui{background:var(--chat-green);color:#fff}
.discussion-chat .discussion-nut-gui:disabled{background:#e1e8e3;color:#6d8174;cursor:default}
.discussion-chat .discussion-xemtruoc{padding:2px 2px 8px;gap:9px}
.discussion-chat .discussion-xemtruoc-o{width:80px;height:72px;border-radius:12px}
.discussion-chat .discussion-xemtruoc-bo{width:44px;height:44px;right:0;top:0}
.discussion-chat .discussion-dem{color:var(--chat-muted);font-size:11px}
.discussion-chat .discussion-pending.failed .discussion-message-bubble{background:#fff0ee!important;color:var(--chat-danger);border:1px solid #e7b2ad!important}
.discussion-chat .discussion-pending-error{color:var(--chat-danger)}
.discussion-chat .discussion-pending-state{color:#5d7165}
.discussion-chat .discussion-readonly{background:var(--chat-soft);border-color:var(--chat-line);color:var(--chat-muted);font-size:13px}
.discussion-chat .discussion-thread-empty{background:#f7f9f7;padding:32px}
.discussion-chat .discussion-thread-empty .big{display:flex;align-items:center;justify-content:center;width:84px;height:84px;margin-bottom:16px;border-radius:26px;background:var(--chat-tint);color:var(--chat-green);font-size:36px}
.discussion-chat .discussion-thread-empty b{font-size:23px;font-weight:800;letter-spacing:-.5px;color:var(--chat-ink)}
.discussion-chat .discussion-thread-empty span{max-width:330px;margin-top:6px;color:var(--chat-muted);font-size:14px;line-height:1.6}
.discussion-chat .discussion-load-older button{min-height:44px;padding:10px 16px;border:1px solid var(--chat-line);border-radius:30px;background:#fff;color:#2d6145;font-size:12px}
.discussion-chat .discussion-jump-latest{min-height:44px;padding:10px 16px;border-color:var(--chat-line);background:#fff;color:var(--chat-green);font-size:12px;box-shadow:0 3px 15px #17382b18}
.chat-tools-panel{position:absolute;inset:0 0 0 auto;z-index:12;display:flex;flex-direction:column;width:min(374px,100%);min-width:0;min-height:0;border-left:1px solid var(--chat-line);background:var(--chat-paper);box-shadow:-12px 0 32px #17382b12}
.chat-tools-panel[hidden]{display:none!important}
.chat-tools-head{display:flex;align-items:center;justify-content:space-between;flex:0 0 auto;gap:12px;padding:20px 17px 15px;border-bottom:1px solid var(--chat-line)}
.chat-tools-head small{color:var(--chat-muted);font-size:10px;font-weight:750;letter-spacing:1px}
.chat-tools-head h2{margin:5px 0 0;color:var(--chat-ink);font-size:20px;letter-spacing:-.4px}
.chat-tools-body{flex:1 1 auto;min-height:0;padding:16px;overflow:auto;overscroll-behavior:contain}
.chat-message-search{padding:15px 16px 0;flex:0 0 auto}
.chat-message-search label{display:block;margin-bottom:7px;color:var(--chat-muted);font-size:12px;font-weight:650}
.chat-message-search>div{display:flex;gap:7px}
.chat-message-search input{width:100%;min-width:0;min-height:44px;padding:10px 12px;border:1px solid var(--chat-line);border-radius:11px;background:var(--chat-soft);color:var(--chat-ink);font-size:15px}
.chat-message-search input:focus{outline:2px solid var(--chat-green);outline-offset:1px}
.chat-message-search .btn{min-height:44px;border-radius:11px;padding:8px 15px;flex:0 0 auto;background:var(--chat-green);color:#fff}
.chat-scope-note{margin:0 0 12px;color:var(--chat-muted);font-size:12px;line-height:1.6}
.chat-tool-empty{padding:28px 12px;color:var(--chat-muted);font-size:13px;line-height:1.65;text-align:center;overflow-wrap:anywhere}
.chat-tool-error{color:var(--chat-danger);background:#fff2f0;border-radius:12px}
.chat-search-result{display:block;width:100%;margin:0 0 8px;padding:13px;border:1px solid var(--chat-line);border-radius:12px;background:#fff;text-align:left;color:var(--chat-ink);overflow-wrap:anywhere}
.chat-search-result:hover{background:var(--chat-soft)}
.chat-search-result>span{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:7px}
.chat-search-result b{font-size:12px}
.chat-search-result time{font-size:10px;color:var(--chat-muted);white-space:nowrap}
.chat-search-result>strong{display:block;font-size:13px;line-height:1.6;font-weight:500;white-space:pre-wrap}
.chat-search-result>small{display:block;margin-top:9px;color:#246e4d;font-size:11px}
.chat-search-more{width:100%;min-height:44px;border-color:var(--chat-line);color:var(--chat-green)}
.chat-info-project{display:flex;align-items:center;flex-direction:column;padding:6px 4px 22px;text-align:center}
.discussion-chat .chat-info-project .discussion-thread-avatar{width:64px;height:64px;border-radius:21px!important;font-size:17px}
.chat-info-project h3{margin:14px 0 6px;color:var(--chat-ink);font-size:20px;letter-spacing:-.4px;overflow-wrap:anywhere}
.chat-info-project p{margin:0 0 14px;color:var(--chat-muted);font-size:12px;line-height:1.6}
.chat-info-project .chat-project-description{max-height:150px;overflow:auto;white-space:pre-wrap;text-align:left;font-size:13px}
.chat-info-project .btn{min-height:44px;border-color:var(--chat-line);color:#216a49}
.chat-info-section{padding-top:18px;margin-top:3px;border-top:1px solid var(--chat-line)}
.chat-info-section h3{display:flex;justify-content:space-between;align-items:center;margin:0 0 10px;color:var(--chat-ink);font-size:14px}
.chat-info-section h3 span{color:var(--chat-muted);font-size:12px;font-weight:500}
.chat-project-people{display:flex;flex-direction:column;gap:14px;padding:4px 0 20px}
.chat-project-people>div{display:flex;align-items:center;gap:11px}
.chat-project-people>div>span:last-child{display:flex;min-width:0;flex-direction:column;gap:3px}
.chat-project-people b{font-size:13px;color:var(--chat-ink);overflow-wrap:anywhere}
.chat-project-people small{font-size:11px;color:var(--chat-muted)}
.chat-file-list{display:flex;flex-direction:column;gap:8px}
.chat-file-list a{display:flex;align-items:center;gap:10px;min-height:56px;padding:10px 0;border-bottom:1px solid var(--chat-line);text-decoration:none;color:var(--chat-ink)}
.chat-file-kind{display:flex;align-items:center;justify-content:center;flex:0 0 42px;width:42px;height:42px;border-radius:11px;background:var(--chat-tint);color:#226441;font-size:10px;font-weight:700}
.chat-file-list a>span:nth-child(2){flex:1;min-width:0}
.chat-file-list b{display:block;font-size:12px;line-height:1.5;overflow-wrap:anywhere}
.chat-file-list small{display:block;margin-top:3px;font-size:10px;line-height:1.5;color:var(--chat-muted)}
@media(max-width:1000px) and (min-width:761px){
  .discussion-chat{grid-template-columns:minmax(240px,290px) minmax(0,1fr)}
  .discussion-chat .discussion-thread-head{padding:12px}
  .discussion-chat .discussion-thread-title b{font-size:15px}
  .discussion-chat .discussion-messages{padding:15px 14px}
  .discussion-chat .discussion-chat-message{max-width:94%}
}
@media(max-width:760px){
  html.dang-o-chat .topbar,html.dang-o-chat #duAnThanh{display:none!important}
  html.dang-o-chat .thanh-trang-thai{background:#fff}
  .discussion-chat{--chat-safe-top:env(safe-area-inset-top,0px)}
  html.ios-standalone .discussion-chat{--chat-safe-top:max(44px,env(safe-area-inset-top,0px))}
  .discussion-chat{display:block;border-radius:0;box-shadow:none}
  .discussion-chat .discussion-rooms-head{padding:calc(16px + var(--chat-safe-top)) max(16px,env(safe-area-inset-right)) 14px max(16px,env(safe-area-inset-left));gap:12px}
  .discussion-chat .discussion-rooms-head>div{order:1;flex:1;min-width:0}
  .discussion-chat .discussion-rooms-head b{font-size:28px;letter-spacing:-.8px}
  .discussion-chat .discussion-rooms-head div>span{display:none}
  .discussion-chat .discussion-rooms-head .chat-brand-mark{order:0;width:44px;height:44px;flex-basis:44px;border-radius:50%;font-size:12px}
  .discussion-chat .chat-mobile-bell{display:flex;position:relative;order:2;background:var(--chat-soft);border-radius:50%}
  #chatMobileNotificationCount{position:absolute;right:-2px;top:-2px;display:flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;border:2px solid #fff;border-radius:30px;background:#b63b3b;color:#fff;font-size:9px;font-weight:750}
  #chatMobileNotificationCount[hidden]{display:none!important}
  .chat-room-controls{padding:0 max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left))}
  .chat-room-search{border-radius:24px;min-height:46px}
  .chat-room-filters{margin-top:8px;gap:6px}
  .chat-room-filters button{border-radius:22px;padding:8px 16px;font-size:13px}
  .chat-room-search input,.chat-message-search input{font-size:16px}
  .discussion-chat .discussion-rooms{padding:0 max(8px,env(safe-area-inset-right)) 12px max(8px,env(safe-area-inset-left))}
  .discussion-chat .discussion-room{min-height:88px;padding:13px 8px;gap:13px;border-radius:14px;flex-shrink:0}
  .discussion-chat .discussion-room.active{background:#f0f5f2}
  .discussion-chat .discussion-room-avatar{width:58px!important;height:58px!important;border-radius:50%!important;font-size:15px}
  .discussion-chat .discussion-room-top b{font-size:16px;font-weight:700;line-height:1.35}
  .discussion-chat .discussion-room-top>time{display:none}
  .discussion-chat .discussion-room-preview{font-size:14px;font-weight:400;line-height:1.5}
  .chat-room-mobile-time{display:block;flex:0 0 auto;max-width:64px;color:var(--chat-muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .chat-room-mobile-time::before{content:'·';margin-right:5px}
  .discussion-chat .discussion-room-unread{height:22px;min-width:22px;flex:0 0 auto}
  html.chat-toan-man .discussion-chat .discussion-thread-head{padding:calc(8px + var(--chat-safe-top)) max(8px,env(safe-area-inset-right)) 8px max(2px,env(safe-area-inset-left));gap:4px;min-height:64px}
  html.chat-toan-man .discussion-chat .discussion-thread-avatar{width:40px!important;height:40px!important;border-radius:50%!important}
  html.chat-toan-man .discussion-chat .discussion-thread-title b{font-size:16px;line-height:1.4}
  html.chat-toan-man .discussion-chat .discussion-thread-title span{font-size:11px}
  .chat-thread-identity{gap:10px}
  .discussion-chat .discussion-thread-back{width:44px;min-height:44px;flex:0 0 44px;color:var(--chat-green)}
  .chat-thread-actions{gap:0}
  .chat-thread-actions #chatInfoToggle{display:none}
  .chat-thread-actions .chat-icon-button{width:44px;flex-basis:44px;min-height:44px}
  .discussion-chat .discussion-messages{padding:12px max(10px,env(safe-area-inset-right)) 18px max(10px,env(safe-area-inset-left));gap:3px;background:#fff;scrollbar-gutter:auto}
  .discussion-chat .discussion-day-divider{margin:14px 0 12px}
  .discussion-chat .discussion-day-divider span{padding:3px 8px;background:#fff;border:0;color:var(--chat-muted);font-size:11px}
  .discussion-chat .discussion-chat-message{position:relative;width:max-content;max-width:calc(100% - 44px);gap:6px}
  .discussion-chat .discussion-message-cot{max-width:calc(100% - 34px)}
  .discussion-chat .discussion-chat-message.own .discussion-message-cot{max-width:100%}
  .discussion-chat .discussion-message-bubble{font-size:16px;line-height:1.4;padding:10px 14px;border:0;background:#f0f2f5!important;border-radius:20px}
  .discussion-chat .discussion-message-author{font-size:11.5px;margin:0 0 5px 12px;font-weight:600}
  .discussion-chat .discussion-message-meta{margin:4px 8px 1px;font-size:10px}
  .discussion-chat .discussion-chat-message.chat-message-selected .discussion-message-meta{display:none}
  .discussion-chat .chat-tin-them{position:absolute;left:100%;top:50%;transform:translateY(-50%);display:inline-flex!important;width:44px;min-height:44px;opacity:0;pointer-events:none;background:transparent}
  .discussion-chat .discussion-chat-message:hover .chat-tin-them{opacity:0;pointer-events:none;background:transparent}
  .discussion-chat .discussion-chat-message.own .chat-tin-them{left:auto;right:100%}
  .discussion-chat .discussion-chat-message.chat-message-selected .chat-tin-them,.discussion-chat .discussion-chat-message .chat-tin-them:focus-visible{opacity:1;pointer-events:auto;background:var(--chat-soft);color:var(--chat-green)}
  .discussion-chat .discussion-avatar,.discussion-chat .discussion-avatar-cho{width:28px;height:28px;flex:0 0 28px;border-radius:50%}
  .discussion-chat .discussion-media{max-width:100%;border-radius:18px}
  .discussion-chat .discussion-media.co-media{width:min(290px,70vw);max-width:100%}
  .discussion-chat .discussion-media:not(.nhieu) .discussion-media-o{aspect-ratio:auto;min-height:44px}
  .discussion-chat .discussion-media:not(.nhieu) button.discussion-media-o img{height:auto;max-height:340px;object-fit:contain}
  html.chat-toan-man .discussion-chat .discussion-composer{padding:8px max(8px,env(safe-area-inset-right)) calc(8px + var(--chat-safe-bottom)) max(8px,env(safe-area-inset-left));border-top:0}
  .discussion-chat .discussion-composer textarea{font-size:16px;line-height:22px;min-height:44px;max-height:132px;border:0!important;border-radius:24px!important;padding:11px 16px!important;overflow-y:auto;transition:none!important}
  .discussion-chat .discussion-composer textarea:focus{box-shadow:none!important;outline:2px solid var(--chat-green);outline-offset:-2px}
  html.chat-keyboard-open.chat-toan-man .discussion-chat .discussion-composer{padding-bottom:6px}
  .discussion-chat .discussion-composer-hang{gap:6px}
  .discussion-chat .discussion-nut-tep,.discussion-chat .discussion-nut-gui{width:44px;height:44px;flex-basis:44px;border-radius:50%;background:transparent;color:var(--chat-green)}
  .discussion-chat .discussion-nut-tep svg,.discussion-chat .discussion-nut-gui svg{width:25px;height:25px;stroke-width:2}
  .discussion-chat .discussion-nut-gui:disabled{background:transparent;color:#75867c}
  .discussion-chat .discussion-xemtruoc-o{flex-basis:80px}
  .discussion-chat .discussion-pending.failed .discussion-message-delete{min-height:44px;padding:8px 10px}
  .chat-tools-panel{width:100%;border-left:0;box-shadow:none}
  .chat-tools-head{padding:calc(12px + var(--chat-safe-top)) max(15px,env(safe-area-inset-right)) 13px max(15px,env(safe-area-inset-left))}
  .chat-tools-body{padding-bottom:calc(18px + env(safe-area-inset-bottom))}
  .chat-search-result time{white-space:normal;max-width:110px;text-align:right;line-height:1.5}
  .chat-menu-lop{top:var(--chat-top,0px);bottom:auto;height:var(--chat-h,100dvh)}
  .chat-menu{width:100%;max-height:calc(100% - 24px);margin:0;padding:8px 8px max(10px,env(safe-area-inset-bottom));border-radius:24px 24px 0 0;overflow:auto;overscroll-behavior:contain}
  .chat-menu-xem{padding:12px 14px 16px}
  .chat-menu button{min-height:54px;border:0;border-radius:12px;padding:0 14px}
}
.chat-mobile-sheet{position:fixed;z-index:200;left:0;right:0;top:var(--chat-top,0px);height:var(--chat-h,100dvh);display:flex;align-items:flex-end;justify-content:center;background:#0e211b66}
.chat-attachment-panel{width:min(480px,100%);max-height:calc(100% - 24px);overflow:auto;padding:8px max(18px,env(safe-area-inset-right)) calc(22px + env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));border-radius:26px 26px 0 0;background:#fff;color:#17382b;font-family:inherit;overscroll-behavior:contain}
.chat-sheet-handle{width:36px;height:4px;margin:0 auto 18px;border-radius:20px;background:#cfd8d2}
.chat-attachment-panel>header{display:flex;justify-content:space-between;align-items:center;gap:12px}
.chat-attachment-panel h2{margin:0;font-size:19px;line-height:1.4;letter-spacing:-.3px}
.chat-attachment-panel p{margin:5px 0 0;color:#596e62;font-size:12px;line-height:1.5}
.chat-attachment-panel .chat-icon-button{background:#f1f5f2;color:#187b57}
.chat-attachment-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:20px}
.chat-attachment-options button{display:flex;align-items:flex-start;flex-direction:column;gap:5px;min-width:0;min-height:130px;padding:14px;border:1px solid #e0e8e2;border-radius:18px;background:#fff;color:#17382b;text-align:left;font:inherit;cursor:pointer}
.chat-attachment-options button>span{display:flex;align-items:center;justify-content:center;width:42px;height:42px;margin-bottom:7px;border-radius:50%;background:#e5f3eb;color:#187b57}
.chat-attachment-options svg{width:23px;height:23px}
.chat-attachment-options b{font-size:14px;line-height:1.4}
.chat-attachment-options small{font-size:11px;line-height:1.5;color:#596e62}
.chat-mobile-sheet button:focus-visible{outline:3px solid #187b57;outline-offset:2px}
@media(prefers-reduced-motion:reduce){.discussion-chat *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}