.chat-layout{display:grid;grid-template-columns:minmax(190px,280px) minmax(0,1fr);gap:18px;align-items:start}.chat-sidebar,.chat-thread{min-width:0;border:1px solid var(--ad-line);border-radius:10px;padding:14px;background:var(--ad-surface,#fff)}#chatList{max-height:65vh;overflow:auto}.chat-list-item{display:flex;position:relative;flex-direction:column;align-items:flex-start;width:100%;text-align:left;margin:6px 0;padding:12px;background:transparent;color:var(--ad-text);border:1px solid var(--ad-line);border-radius:7px;white-space:normal;overflow-wrap:anywhere}.chat-list-item.active{border-color:var(--ad-primary);background:var(--ad-selected,#e9f7f8)}.chat-list-item strong{font-size:12px}.chat-preview{font-size:11px;color:var(--ad-muted);max-width:100%;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:6px}.chat-list-item .notification-badge{margin:5px 0 0}.chat-thread .heading{gap:10px;align-items:start}.chat-thread h3{margin:0;overflow-wrap:anywhere;font-size:16px}#chatMembers{overflow-wrap:anywhere;font-size:11px;color:var(--ad-muted);line-height:1.6}#chatMessages{height:45vh;min-height:220px;overflow:auto;overscroll-behavior:contain;padding:8px 4px;display:flex;flex-direction:column;gap:12px;scrollbar-gutter:stable}.chat-message{align-self:flex-start;max-width:88%;padding:10px 12px;border:1px solid var(--ad-line);border-radius:10px;background:var(--ad-surface,#fff);overflow-wrap:anywhere;flex-shrink:0}.chat-message.own{align-self:flex-end;border-color:var(--ad-primary);background:var(--ad-selected,#e9f7f8)}.chat-message.system{align-self:center;max-width:100%;background:transparent;border-style:dashed}.chat-message strong{font-size:11px}.chat-time{display:block;font-size:10px;color:var(--ad-muted);margin-top:3px}.chat-message p{white-space:pre-wrap;font-size:13px;line-height:1.6;margin:8px 0 0}.chat-message a{color:var(--ad-primary);text-decoration:underline}.chat-file{display:block;max-width:100%;white-space:normal;overflow-wrap:anywhere;font-size:11px;margin-top:8px}#chatText{min-height:74px;max-height:220px;resize:vertical}#chatForm{margin-top:14px}#chatDraftFiles{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:11px;overflow-wrap:anywhere}#chatDraftFiles span{max-width:100%}.chat-invite-result{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--ad-line)}.chat-invite-result span{min-width:0;overflow-wrap:anywhere}#chatInviteResults{max-height:45vh;overflow:auto}#chatError,#chatInviteError{min-height:1.5em;color:var(--ad-danger,#b54444)}#chatPane input,#chatPane textarea{box-sizing:border-box;width:100%;min-width:0}#chatHistoryHint{font-size:11px}#chatMessages:focus-visible{outline:2px solid var(--ad-primary)}
@media(max-width:700px){.chat-layout{grid-template-columns:minmax(0,1fr);gap:12px}.chat-sidebar,.chat-thread{padding:10px}#chatList{max-height:180px}.chat-thread .heading{flex-wrap:wrap}#chatMessages{height:45vh;min-height:200px}.chat-message{max-width:92%}.chat-thread .heading button{font-size:11px;padding:8px}#chatPane h2{font-size:20px}}

.chat-thread .heading h3{flex:1;min-width:0}.chat-thread-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.chat-thread-actions button{white-space:nowrap}.chat-thread-actions [hidden]{display:none!important}@media(max-width:1000px){.chat-thread .heading{flex-direction:column;align-items:stretch}.chat-thread-actions{display:flex;flex-wrap:wrap}.chat-thread-actions button{flex:1;min-width:0;white-space:normal}}

.chat-floating{position:fixed;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom));z-index:20;display:flex;align-items:center;gap:8px;min-height:52px;padding:13px 18px;border:1px solid var(--ad-primary);border-radius:28px;background:var(--ad-primary);color:#fff;box-shadow:0 4px 18px #0003;font-size:13px;line-height:1.3}.chat-floating:hover:not(:disabled){background:var(--ad-primary-hover,var(--ad-primary));color:#fff}.chat-floating .notification-badge{position:absolute;right:-5px;top:-8px;margin:0;padding:3px 6px;background:var(--ad-surface,#fff);color:var(--ad-text,#20333d);border:2px solid var(--ad-primary);font-size:11px;min-width:23px;text-align:center;box-sizing:border-box}.chat-floating:focus-visible{outline:3px solid var(--ad-text);outline-offset:4px}body.chat-available :is(#portal,#finance){padding-bottom:calc(100px + env(safe-area-inset-bottom))}.chat-folder-tabs{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}.chat-folder-tab{display:flex;align-items:center;gap:6px;border:1px solid var(--ad-line);border-radius:7px;background:transparent;color:var(--ad-text);padding:8px 10px;max-width:100%;text-align:left;overflow-wrap:anywhere;font-size:12px}.chat-folder-tab.active{border-color:var(--ad-primary);background:var(--ad-selected,#e9f7f8)}.chat-folder-count{font-size:10px;color:var(--ad-muted);font-variant-numeric:tabular-nums}.chat-folder-tools{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.chat-folder-tools button{font-size:11px;padding:7px 9px}#chatFolderChoices{max-height:35vh;overflow:auto;border:1px solid var(--ad-line);border-radius:7px;padding:8px}#chatFolderChoices label{display:flex;align-items:flex-start;gap:8px;line-height:1.5;padding:5px 0;overflow-wrap:anywhere}#chatFolderChoices input{flex-shrink:0;margin-top:3px}#chatFolderSelection{margin-top:12px}#chatUnreadHint{border-left:3px solid var(--ad-primary);padding-left:9px;overflow-wrap:anywhere}.chat-thread-actions{flex-wrap:wrap;justify-content:flex-end;max-width:52%}.chat-thread-actions button{font-size:11px;padding:8px 10px}
@media(max-width:1000px){.chat-thread-actions{max-width:100%;justify-content:flex-start}}@media(max-width:700px){.chat-floating{right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));min-height:48px;padding:11px 14px}.chat-thread-actions button{flex-basis:42%}#chatFolderDialog .heading{align-items:start;gap:8px}#chatFolderDialog .heading h2{font-size:19px}}

/* Personal sidebar width; the separator never overlaps the conversation. */
.chat-layout{grid-template-columns:min(55%,var(--chat-sidebar-width,280px)) 10px minmax(0,1fr);gap:6px}.chat-column-resize{align-self:stretch;min-height:160px;cursor:col-resize;touch-action:none;border-radius:6px;position:relative}.chat-column-resize::after{content:"";position:absolute;top:0;bottom:0;left:4px;width:2px;background:var(--ad-line);border-radius:2px}.chat-column-resize:hover::after,.chat-column-resize:focus-visible::after{background:var(--ad-primary)}.chat-column-resize:focus-visible{outline:2px solid var(--ad-primary);outline-offset:1px}#chatError:empty{display:none}@media(max-width:700px){.chat-layout{grid-template-columns:minmax(0,1fr);gap:12px}.chat-column-resize{display:none}}
/* Replies, member mentions and access-scoped message search. */
.chat-feature-toolbar{flex-wrap:wrap;gap:12px}.chat-feature-toolbar .actions{margin:0;flex-wrap:wrap;gap:8px}.chat-feature-toolbar h2{margin:0}
.chat-reply-action{display:block;font-size:11px;padding:5px 8px;margin-top:8px}
.chat-reply-quote{display:block;width:100%;text-align:left;background:var(--ad-selected);color:var(--ad-text);border:0;border-left:3px solid var(--ad-primary);border-radius:5px;padding:8px 10px;margin:8px 0;font-size:12px;line-height:1.5;min-width:0;white-space:normal;overflow-wrap:anywhere}
.chat-reply-quote strong,.chat-reply-quote span{display:block}.chat-reply-quote span{white-space:pre-wrap;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.chat-reply-quote.unavailable{color:var(--ad-muted)}
.chat-reply-draft{display:flex;align-items:flex-start;gap:10px;border-left:3px solid var(--ad-primary);padding:8px;background:var(--ad-selected);border-radius:5px;margin:12px 0}.chat-reply-draft>div{flex:1;min-width:0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px;max-height:95px;overflow:auto}.chat-reply-draft button{flex-shrink:0;margin:0}
.chat-compose-tools{display:flex;flex-wrap:wrap;margin-top:12px}.chat-compose-tools button{margin:0;font-size:12px}
.chat-mention-picker{border:1px solid var(--ad-line);border-radius:8px;background:var(--ad-surface);padding:10px;margin:10px 0}.chat-mention-picker>.heading{margin:0 0 8px;align-items:center}.chat-mention-picker label{margin:0}.chat-mention-picker .heading button{margin:0}#chatMentionOptions{display:flex;flex-direction:column;align-items:stretch;gap:5px;max-height:180px;overflow:auto;margin-top:8px}#chatMentionOptions button{text-align:left;white-space:normal;overflow-wrap:anywhere;margin:0}
.chat-mention{background:var(--ad-selected);color:var(--ad-primary);border-radius:4px;padding:1px 3px}.chat-mention.for-me{font-weight:600;text-decoration:underline}.chat-mention-count{color:var(--ad-primary);font-size:11px;font-weight:600}
.chat-message-focus{outline:2px solid var(--ad-primary);outline-offset:2px}#chatLatest{align-self:flex-start;margin:8px 0}
#chatMessageSearchDialog{max-width:760px}#chatMessageSearchDialog .heading{align-items:flex-start}#chatMessageSearchDialog .heading h2{min-width:0;overflow-wrap:anywhere}#chatMessageSearchDialog .heading button{flex-shrink:0}#chatMessageSearchResults{display:flex;flex-direction:column;gap:10px;max-height:42vh;overflow:auto;margin:12px 0;padding:2px}
.chat-search-result{display:block;width:100%;text-align:left;min-width:0;white-space:normal;overflow-wrap:anywhere;padding:12px}.chat-search-result>strong,.chat-search-result>span{display:block}.chat-search-result p{white-space:pre-wrap;font-size:12px;line-height:1.5;margin:8px 0;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:5;overflow:hidden}
@media(max-width:700px){.chat-feature-toolbar .actions{width:100%;display:grid;grid-template-columns:minmax(0,1fr)}.chat-feature-toolbar button{white-space:normal;overflow-wrap:anywhere}.chat-reply-action{min-height:32px}#chatMessageSearchResults{max-height:36vh}}
.chat-thread>.heading{flex-wrap:wrap}.chat-thread-actions{min-width:0}.chat-thread-actions button{min-width:0;white-space:normal;overflow-wrap:anywhere;height:auto}
body:has(#chatPane:not([hidden])) .appbar{max-height:35dvh;overflow:auto}
.chat-mention-picker>.heading{flex-direction:row;flex-wrap:nowrap;text-align:left}.chat-mention-picker>.heading label{flex:1;min-width:0}.chat-mention-picker>.heading button{flex-shrink:0}
.chat-mention,.chat-mention-count{color:var(--ad-text)}
@media(max-width:520px){#chatMessageSearchDialog>.heading{flex-wrap:wrap}#chatMessageSearchDialog>.heading h2{flex:1 1 100%}#chatMessageSearchDialog>.heading button{margin-left:auto}}
/* Inside the chat itself the floating shortcut is redundant and must not cover the composer. */
body:has(#chatPane:not([hidden])) .chat-floating{display:none}

.chat-workflow-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;min-width:0}.chat-workflow-actions button{font-size:11px;max-width:100%;white-space:normal;overflow-wrap:anywhere;padding:6px 9px}.chat-workflow-actions .chat-created-task{flex-basis:100%;text-align:left}
.chat-pin-bar{padding:10px;border:1px solid var(--ad-line);border-left:3px solid var(--ad-primary);border-radius:7px;background:var(--ad-selected);margin:12px 0;min-width:0}.chat-pin-bar-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12px}.chat-pin-bar-heading button{font-size:11px;white-space:normal}
.chat-pin-preview{display:block;width:100%;margin-top:8px;text-align:left;white-space:normal;overflow-wrap:anywhere;font-size:12px;line-height:1.5;background:var(--ad-surface);color:var(--ad-text);display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}
#chatPinsDialog{max-width:760px}#chatPinsDialog>.heading{flex-wrap:wrap}#chatPinsDialog>.heading h2{min-width:0;overflow-wrap:anywhere}#chatPinsDialog>.heading button{flex-shrink:0}#chatPinsList{max-height:52vh;overflow:auto;padding:3px;margin:12px 0}.chat-pin-item{border:1px solid var(--ad-line);border-radius:8px;margin-bottom:10px;padding:10px}.chat-pin-jump{display:block;width:100%;text-align:left;white-space:normal;overflow-wrap:anywhere}.chat-pin-jump strong,.chat-pin-jump span{display:block}.chat-pin-jump span{white-space:pre-wrap;font-size:12px;line-height:1.5;margin:6px 0}.chat-pin-item>button{margin-top:6px}#taskMessageSourceHint{border-left:3px solid var(--ad-primary);padding-left:10px}
@media(max-width:520px){#chatPinsDialog>.heading h2{flex-basis:100%}#chatPinsDialog>.heading button{margin-left:auto}}
.chat-pin-jump{border:0;padding:0;background:transparent}
@media(max-width:520px){#taskDialog:has(#taskMessageSourceHint:not([hidden])) .heading{flex-wrap:wrap}#taskDialog:has(#taskMessageSourceHint:not([hidden])) .heading h2{flex:1 1 100%}#taskDialog:has(#taskMessageSourceHint:not([hidden])) .heading button{margin-left:auto}}
/* Viewport chat: scroll the conversations and messages, never the page. */
body.chat-workspace{height:100dvh;overflow:hidden}
body.chat-workspace .appbar{max-height:26dvh;overflow:auto}
body.chat-workspace #portal{padding-top:8px;padding-bottom:0}
body.chat-workspace #chatPane{height:var(--chat-viewport-height);min-height:0;display:flex;flex-direction:column;overflow:hidden}
.chat-workspace .chat-feature-toolbar{flex:0 1 auto;min-height:0;max-height:18%;overflow:auto;margin:0 0 8px}
.chat-workspace #chatError{flex:none;max-height:12%;overflow:auto;margin:0 0 6px}
.chat-workspace .chat-layout{flex:1 1 0;min-height:0;align-items:stretch;overflow:hidden;padding-bottom:0}
.chat-workspace .chat-sidebar{display:flex;flex-direction:column;min-height:0;overflow:hidden}
.chat-workspace .chat-sidebar-controls{flex:0 1 auto;min-height:0;max-height:55%;overflow:auto;padding-bottom:8px}
.chat-workspace #chatList{flex:1 1 0;min-height:0;max-height:none;overflow:auto;overscroll-behavior:contain}
.chat-workspace .chat-column-resize{min-height:0}
.chat-workspace .chat-thread{display:flex;flex-direction:column;min-height:0;overflow:hidden}
.chat-workspace .chat-thread-header{flex:0 1 auto;min-height:0;max-height:30%;overflow:auto;padding:1px 3px 6px}
.chat-thread-header>.heading{display:flex;align-items:start;gap:10px;margin:0}.chat-thread-header h3{flex:1;min-width:0}
.chat-thread-header :is(#chatMembers,#chatHistoryHint,#chatUnreadHint){margin:6px 0;font-size:11px}
.chat-workspace #chatMessages{flex:1 1 0;min-height:0;height:auto;max-height:none;overflow:auto}
.chat-workspace #chatLatest{flex:none;margin:3px 0;font-size:11px;padding:5px 8px}
.chat-workspace #chatForm{flex:none;min-width:0;margin:6px 0 0;padding:0}
.chat-compose-main{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:end}
.chat-compose-main label{margin:0;font-size:11px;min-width:0}
.chat-workspace #chatText{height:3em;min-height:2.5em;max-height:6em;resize:none;margin:3px 0 0;padding:8px;font-size:13px;line-height:1.4}
.chat-compose-main #chatSend{margin:0;min-height:40px;padding:9px 12px;white-space:nowrap}
#chatComposeOptions{margin:0 0 5px;border:0;padding:0}#chatComposeOptions>summary{font-size:11px;color:var(--ad-muted);cursor:pointer;padding:4px 0}
.chat-compose-extras{max-height:16dvh;overflow:auto;overscroll-behavior:contain;border:1px solid var(--ad-line);border-radius:6px;padding:8px;margin-bottom:6px}
.chat-compose-extras :is(label,.hint){font-size:11px;margin:5px 0}.chat-compose-extras input{padding:5px;font-size:11px}.chat-compose-extras .chat-compose-tools{margin-top:0}.chat-compose-extras .chat-mention-picker{margin:5px 0;padding:6px}
.chat-workspace .chat-reply-draft{max-height:10dvh;overflow:auto;margin:4px 0;padding:5px}
#chatBackToList{display:none;font-size:11px;margin:0 0 6px;padding:6px 8px}
@media(max-width:700px){
 .chat-workspace .chat-layout{display:flex;flex-direction:column;gap:0}
 .chat-workspace .chat-sidebar{flex:1 1 0}.chat-workspace .chat-thread{flex:1 1 0}
 .chat-workspace #chatPane:has(#chatThread:not([hidden])):not(.chat-show-list) .chat-sidebar{display:none}
 .chat-workspace #chatPane.chat-show-list .chat-thread{display:none}
 .chat-workspace #chatPane.chat-show-list #chatChoose{display:none}
 .chat-workspace #chatBackToList{display:inline-flex;align-self:flex-start}
 .chat-workspace .chat-thread-header{max-height:32%}
 .chat-thread-header>.heading{flex-direction:column;align-items:stretch}
 .chat-thread-header .chat-thread-actions{max-width:100%}
 .chat-workspace .chat-feature-toolbar .actions{display:flex;flex-wrap:wrap;gap:5px}
 .chat-workspace .chat-feature-toolbar button{padding:6px;font-size:10px;flex:1}
}
@media(max-height:650px){.chat-workspace #chatText{height:2.5em}.chat-workspace .chat-thread-header{max-height:25%}.chat-workspace .chat-compose-extras{max-height:12dvh}}

body.chat-workspace:has(#chatPane:not([hidden])) .appbar{max-height:26dvh}
.chat-workspace #chatForm{display:flex;flex-direction:column;flex:0 1 auto;max-height:55%;min-height:0;overflow:hidden}
.chat-workspace #chatComposeOptions{flex:0 1 auto;min-height:1.8em;overflow:auto}
.chat-workspace .chat-compose-main{flex:none}
#chatDraftFiles .chat-draft-file{width:100%}#chatDraftFiles .chat-draft-file>span{min-width:0}
/* Reserve room for the scaled composer before auxiliary header panels. */
.chat-workspace #chatForm{max-height:72%;flex:0 1 auto}
.chat-workspace .chat-compose-main{flex:1 1 auto;min-height:0}
.chat-workspace .chat-compose-main label{display:flex;flex-direction:column;min-height:0}
.chat-workspace #chatText{flex:1 1 auto;min-height:1.5em}
@media(max-height:650px){.chat-workspace .chat-thread-header{max-height:20%}.chat-workspace .chat-compose-main #chatSend{min-height:2em;padding:6px 8px}}
.chat-workspace .chat-thread-header{position:relative;z-index:1;background:var(--ad-surface)}