/* Chat — Workspace › Chat (static/js/chat.js, docs/architecture/chat.md). Text and action sizes come from the shared
   roles (typography.css / controls.css); colours are tokens, so dark mode needs nothing of its own. */
.chat-root{display:none;flex:1;min-width:0;min-height:0;position:relative;background:var(--bg2)}
.chat-side{flex:0 0 272px;width:272px;min-width:272px;max-width:272px;overflow:hidden;display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--border);background:var(--bg2)}
.chat-side-head{display:flex;align-items:center;gap:6px;padding:12px 12px 8px}
.chat-jump{flex:1;min-width:0;height:32px;box-sizing:border-box;border:1px solid var(--border2);border-radius:var(--r-md);padding:0 10px;font:inherit;font-size:var(--ui-input);color:var(--text);background:var(--bg2)}
.chat-jump:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.chat-list{flex:1;min-height:0;overflow-y:auto;padding:4px 8px 16px;display:flex;flex-direction:column;gap:2px}
.chat-sec{display:flex;align-items:center;justify-content:flex-start;text-align:left;padding:12px 4px 4px 6px;font-size:var(--ui-caption);font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text3)}
.chat-sec>.chat-tool{margin-left:auto}
.chat-item{display:flex;align-items:center;gap:10px;width:100%;min-height:34px;padding:4px 8px;border:0;border-radius:var(--r-md);background:transparent;color:var(--text2);font:inherit;font-size:var(--ui-body);text-align:left;cursor:pointer;transition:background var(--mo-fast,150ms)}
.chat-item:hover{background:var(--bg3)}
.chat-item.active{background:var(--accent-light);color:var(--accent-ink);font-weight:600}
.chat-item.unread{color:var(--text);font-weight:600}
.chat-item.muted{opacity:.6}
.chat-item .chat-glyph{flex:none;width:22px;text-align:center;color:var(--text3);font-weight:500}
.chat-item .chat-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-item .chat-name small{display:block;margin-top:2px;color:var(--text3);font-size:var(--fs-xs);font-weight:400;overflow:hidden;text-overflow:ellipsis}
.chat-pill[hidden]{display:none}
.chat-pill{flex:none;min-width:18px;height:18px;padding:0 5px;box-sizing:border-box;border-radius:9px;background:var(--accent-ink);color:var(--on-accent);font-size:var(--ui-caption);font-weight:600;display:grid;place-items:center}
.chat-empty{padding:24px 16px;color:var(--text3);font-size:var(--ui-body);text-align:center}

.chat-main{flex:1;min-width:0;display:flex;flex-direction:column;min-height:0}
.chat-head{display:flex;align-items:center;gap:10px;padding:10px 16px;min-height:56px;box-sizing:border-box;border-bottom:1px solid var(--border)}
.chat-head-title{min-width:0;flex:1}
.chat-head-name{font-size:var(--ui-section);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-head-sub{font-size:var(--ui-caption);color:var(--text3)}
.chat-back{display:none}
.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:12px 16px 8px;display:flex;flex-direction:column}
.chat-more{align-self:center;margin-bottom:8px}
.chat-day{display:flex;align-items:center;gap:12px;margin:14px 0 6px;color:var(--text3);font-size:var(--ui-caption);font-weight:500}
.chat-day::before,.chat-day::after{content:"";flex:1;height:1px;background:var(--border)}
.chat-msg{position:relative;display:flex;gap:10px;padding:5px 8px;margin:0 -8px;border-radius:var(--r-md)}
.chat-msg:hover,.chat-msg:focus-within{background:var(--bg3)}
.chat-msg.grouped{padding-top:1px;padding-bottom:1px}
.chat-av{flex:none;width:32px}
.chat-body{min-width:0;flex:1}
.chat-meta{display:flex;align-items:baseline;gap:8px}
.chat-author{font-size:var(--ui-body);font-weight:600}
.chat-time,.chat-edited{font-size:var(--ui-caption);color:var(--text3)}
.chat-text{font-size:var(--ui-body);line-height:1.5;overflow-wrap:anywhere;color:var(--text)}
.chat-text a{color:var(--accent-ink);text-decoration:underline}
.chat-gone{color:var(--text3);font-style:italic}
.chat-mention{padding:0 4px;border-radius:var(--r-xs);background:var(--accent-light);color:var(--accent-ink);font-weight:500}
.chat-mention.me{background:var(--accent-ink);color:var(--on-accent)}
.chat-system{align-self:center;margin:6px 0;font-size:var(--ui-caption);color:var(--text3)}
.chat-system .chat-mention,.chat-system .chat-mention.me{padding:0;background:none;color:var(--text2);font-weight:600}
.chat-actions{position:absolute;top:-14px;right:8px;display:none;gap:2px;padding:2px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg2);box-shadow:var(--shadow-sm)}
.chat-msg:hover .chat-actions,.chat-msg:focus-within .chat-actions{display:flex}
.chat-edit-input{width:100%;box-sizing:border-box;resize:none;border:1px solid var(--accent);border-radius:var(--r-md);padding:8px 10px;font:inherit;font-size:var(--ui-input);color:var(--text);background:var(--bg2)}
.chat-edit-bar{display:flex;gap:6px;margin-top:6px;font-size:var(--ui-caption);color:var(--text3);align-items:center}

.chat-composer{position:relative;padding:4px 16px 14px}
.chat-box{border:1px solid var(--border2);border-radius:var(--r-lg);background:var(--bg2);transition:border-color var(--mo-fast,150ms),box-shadow var(--mo-fast,150ms)}
.chat-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.chat-input{display:block;width:100%;box-sizing:border-box;border:0;background:transparent;padding:10px 12px 4px;font:inherit;font-size:var(--ui-input);line-height:1.45;color:var(--text);min-height:calc(1.45em + 14px);max-height:160px;overflow-y:auto;white-space:pre-wrap;overflow-wrap:anywhere;cursor:text}
.chat-input:focus{outline:none}
.chat-box-bar{display:flex;align-items:center;gap:4px;padding:4px 6px 6px}
.chat-count{margin-right:6px;font-size:var(--ui-caption);color:var(--text3)}
.chat-count.over{color:var(--red)}
.chat-mention-pop{position:absolute;left:20px;bottom:calc(100% - 8px);min-width:220px;max-width:320px;max-height:240px;overflow-y:auto;padding:4px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg2);box-shadow:var(--shadow-md);z-index:20}
.chat-mention-pop button{display:flex;align-items:center;gap:8px;width:100%;min-height:32px;padding:4px 8px;border:0;border-radius:var(--r-md);background:transparent;font:inherit;font-size:var(--ui-body);color:var(--text);text-align:left;cursor:pointer}
.chat-mention-pop button.active,.chat-mention-pop button:hover{background:var(--accent-light);color:var(--accent-ink)}

.chat-thread{flex:0 0 344px;display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--border);background:var(--bg2)}
.chat-thread[hidden]{display:none}
.chat-thread-body{flex:1;min-height:0;overflow-y:auto;padding:12px 16px}
.chat-thread-sep{display:flex;align-items:center;gap:10px;margin:10px 0;color:var(--text3);font-size:var(--ui-caption)}
.chat-thread-sep::after{content:"";flex:1;height:1px;background:var(--border)}

.chat-pending{display:flex;flex-wrap:wrap;gap:6px;padding:8px 10px 0}
.chat-pending[hidden]{display:none}
.chat-chip{display:flex;align-items:center;gap:8px;max-width:100%;padding:4px 4px 4px 6px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg3);font-size:var(--ui-label)}
.chat-chip img{width:32px;height:32px;object-fit:cover;border-radius:var(--r-sm);flex:none}
.chat-chip-icon{display:grid;place-items:center;width:32px;height:32px;color:var(--text3);flex:none}
.chat-chip-name{min-width:0;max-width:180px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-chip-meta{color:var(--text3);font-size:var(--ui-caption)}
.chat-chip.error{border-color:var(--red)}
.chat-chip.error .chat-chip-meta{color:var(--red)}
.chat-chip-retry{border:0;background:transparent;color:var(--accent);font:inherit;font-weight:600;cursor:pointer;padding:3px 5px;border-radius:var(--r-sm)}
.chat-chip-retry:hover{background:var(--accent-light)}
.chat-chip.uploading,.chat-chip.preparing{opacity:.75}
.chat-atts{display:flex;flex-direction:column;gap:8px;margin-top:6px;align-items:flex-start}
.chat-att.image{display:flex;flex-direction:column;align-items:flex-start;gap:4px;max-width:100%}
.chat-img{display:block;width:fit-content;padding:0;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;background:var(--bg3);cursor:zoom-in;max-width:100%}
.chat-img img{display:block;max-width:min(360px,calc(100vw - 96px));max-height:280px;width:auto;height:auto;object-fit:contain}
.chat-att-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:var(--ui-caption);color:var(--text3)}
.chat-att.file{display:flex;align-items:center;gap:10px;max-width:420px;width:100%;box-sizing:border-box;padding:8px 10px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg2)}
.chat-att.file.expired{opacity:.65;border-style:dashed}
.chat-att-icon{display:grid;place-items:center;width:32px;height:32px;flex:none;color:var(--text3)}
.chat-att-info{min-width:0;flex:1}
.chat-att-name{display:block;font-size:var(--ui-body);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--accent-ink)}
.chat-att.expired .chat-att-name{color:var(--text2)}
.chat-main.chat-dragging::after{content:"Drop to attach";position:absolute;inset:0;display:grid;place-items:center;background:color-mix(in srgb,var(--accent) 14%,var(--bg2));border:2px dashed var(--accent);border-radius:var(--r-lg);color:var(--accent-ink);font-size:var(--ui-section);font-weight:600;pointer-events:none;z-index:6}
.chat-main{position:relative}
.chat-lightbox{display:flex;flex-direction:column;gap:8px;max-width:98vw}
.chat-lightbox img{max-width:97vw;max-height:calc(100vh - 96px);object-fit:contain;border-radius:var(--r-md);background:var(--bg2)}
.chat-lightbox-bar{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:var(--r-md);background:var(--bg2);font-size:var(--ui-body)}
.chat-copy-note{margin:10px 0 0;font-size:var(--ui-body);color:var(--text2)}
.chat-dm-list{max-height:50vh;overflow-y:auto;margin-top:10px;display:flex;flex-direction:column;gap:2px}
.chat-dm-list .chat-item{min-height:40px}

@media (max-width:820px){
  .chat-side{flex:1 1 auto;width:auto;min-width:0;max-width:none;border-right:0}
  .chat-main{display:none}
  .chat-root[data-view="main"] .chat-side{display:none}
  .chat-root[data-view="main"] .chat-main{display:flex}
  .chat-back{display:inline-flex}
  .chat-item{min-height:48px}
  .chat-thread{position:absolute;inset:0;z-index:5;flex:none;width:auto;border-left:0}
  .chat-messages{padding:12px 12px 8px}
  .chat-composer{padding:4px 12px 12px}
}
@media (hover:none){
  /* a finger has no hover: the actions of a message appear under it when it is tapped, in a row of their own */
  .chat-msg{flex-wrap:wrap}
  .chat-actions,.chat-msg:hover .chat-actions,.chat-msg:focus-within .chat-actions{display:none}
  .chat-msg.tap{background:var(--bg3)}
  .chat-msg.tap .chat-actions,.chat-msg.tap:hover .chat-actions{display:flex;position:static;flex:0 0 100%;margin:2px 0 2px 42px;padding:0;border:0;box-shadow:none;background:transparent}
}


/* ── the sidebar, richer: search with its icon, the All / Unread / Mentions switch, two-line rows ─────────────── */
.chat-side-head{flex-direction:column;align-items:stretch;gap:10px;padding:14px 12px 6px}
.chat-search{position:relative;display:flex;align-items:center}
.chat-search>span{position:absolute;left:10px;display:grid;color:var(--text3);pointer-events:none}
.chat-search .chat-jump{padding-left:30px;width:100%}
.chat-seg{display:flex;gap:2px;padding:3px;border-radius:var(--r-lg);background:var(--bg3)}
.chat-seg button{flex:1;min-height:28px;padding:0 10px;border:0;border-radius:calc(var(--r-lg) - 3px);background:transparent;color:var(--text2);font:inherit;font-size:var(--ui-label);font-weight:500;cursor:pointer;transition:background var(--mo-fast,150ms),color var(--mo-fast,150ms)}
.chat-seg button:hover{color:var(--text)}
.chat-seg button.active{background:var(--bg2);color:var(--text);font-weight:600;box-shadow:var(--shadow-sm)}
.chat-seg b{margin-left:3px;color:var(--accent-ink);font-weight:600}
.chat-seg-wide{margin:12px 0}
.chat-col{flex:1;min-width:0;display:flex;flex-direction:column}
.chat-preview{display:none;font-size:var(--ui-label);color:var(--text3);font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-item.unread .chat-preview{color:var(--text2)}
.chat-meta2{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:4px;margin-left:4px}
.chat-when{display:none;font-size:var(--ui-caption);color:var(--text3);font-weight:400}
.chat-muted{display:inline-grid;color:var(--text3)}
.chat-item .chat-meta2{flex-direction:row;align-items:center;gap:6px}
.chat-item:active{background:var(--bg4)}

/* ── a conversation's header ─────────────────────────────────────────────────────────────────────────────────── */
.chat-head-av{flex:none}
.chat-people{display:inline-flex;align-items:center;gap:8px;min-height:32px;padding:2px 10px 2px 4px;border:0;border-radius:var(--r-lg);background:transparent;color:var(--text2);font:inherit;font-size:var(--ui-label);cursor:pointer;transition:background var(--mo-fast,150ms)}
.chat-people:hover{background:var(--bg3);color:var(--text)}
.chat-cluster{display:inline-flex}
.chat-cluster-av{display:inline-flex;margin-left:-6px;border-radius:50%;box-shadow:0 0 0 2px var(--bg2);position:relative}
.chat-cluster-av:first-child{margin-left:0}
.chat-mute{display:inline-flex;align-items:center;gap:6px;min-height:28px;padding:0 8px;border:1px solid transparent;border-radius:var(--r-md);background:transparent;color:var(--text2);font:inherit;font-size:var(--ui-label);cursor:pointer;transition:background var(--mo-fast,150ms)}
.chat-mute:hover{background:var(--bg3);color:var(--text)}
.chat-mute.on{background:var(--accent-light);color:var(--accent-ink);font-weight:500}

/* ── messages: reactions, record cards, "seen", threads ───────────────────────────────────────────────────────── */
.chat-msg.is-open{background:var(--accent-light)}
.chat-reacts{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.chat-react{display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 8px;border:1px solid var(--border2);border-radius:12px;background:var(--bg2);color:var(--text2);font:inherit;font-size:var(--ui-label);font-weight:500;cursor:pointer;transition:background var(--mo-fast,150ms),border-color var(--mo-fast,150ms)}
.chat-react:hover{background:var(--bg3)}
.chat-react.mine{border-color:color-mix(in srgb,var(--accent) 55%,transparent);background:var(--accent-light);color:var(--accent-ink)}
.chat-react-pop{position:fixed;z-index:430;width:min(280px,calc(100vw - 16px));padding:6px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg2);box-shadow:var(--shadow-md)}
.chat-react-pop button{width:36px;height:36px;display:grid;place-items:center;border:0;border-radius:var(--r-md);background:transparent;color:var(--text2);font-size:20px;cursor:pointer}
.chat-react-pop button:hover{background:var(--accent-light);color:var(--accent-ink)}
.chat-react-quick{display:flex;gap:4px;padding-bottom:5px;border-bottom:1px solid var(--border)}
.chat-react-search{width:100%;box-sizing:border-box;margin:6px 0;padding:7px 9px;border:1px solid var(--border2);border-radius:var(--r-md);background:var(--bg3);color:var(--text);font:inherit;font-size:var(--ui-label)}
.chat-react-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:2px;max-height:190px;overflow-y:auto}
.chat-react-none{grid-column:1/-1;padding:16px;color:var(--text3);font-size:var(--ui-label);text-align:center}
.chat-react-emoji{font-family:Apple Color Emoji,Segoe UI Emoji,Noto Color Emoji,sans-serif;font-size:16px;line-height:1}
.chat-records{display:flex;flex-direction:column;gap:6px;margin-top:6px;max-width:440px}
.chat-record-status{flex:none;padding:1px 8px;border-radius:10px;background:var(--chip-blue-bg);color:var(--chip-blue-fg);font-size:var(--ui-caption);font-weight:500}
.chat-record-status.st-completed{background:var(--chip-green-bg);color:var(--chip-green-fg)}
.chat-record-status.st-annulled{background:var(--chip-red-bg);color:var(--chip-red-fg)}
.chat-record-status.st-pending_review{background:var(--warn-bg);color:var(--warn-fg)}
.chat-seen{margin-top:4px;font-size:var(--ui-caption);color:var(--text3)}
.chat-typing{padding:0 20px;font-size:var(--ui-caption);color:var(--text3)}
.chat-typing-in{display:flex;align-items:center;gap:8px;min-height:20px;padding-bottom:2px}
.chat-dots{display:inline-flex;gap:3px}
.chat-dots i{width:4px;height:4px;border-radius:50%;background:var(--text3);animation:chat-dot var(--mo-loop,2800ms) ease-in-out infinite}
.chat-dots i:nth-child(2){animation-delay:.18s}
.chat-dots i:nth-child(3){animation-delay:.36s}
@keyframes chat-dot{0%,60%,100%{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-2px)}}
@media (prefers-reduced-motion:reduce){.chat-dots i{animation:none;opacity:.7}}

/* ── composer pickers ─────────────────────────────────────────────────────────────────────────────────────── */
.chat-pop-title{flex:1;min-width:0;color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:var(--ui-label)}
.chat-pop-kind{flex:none;color:var(--text3);font-size:var(--ui-caption)}
.chat-pop-hint{padding:8px 10px;color:var(--text3);font-size:var(--ui-label)}
.chat-mention-pop{min-width:300px}
.chat-hash{font-size:var(--ui-section);font-weight:600}

/* ── menus ────────────────────────────────────────────────────────────────────────────────────────────────── */
.chat-popup{position:fixed;z-index:430;min-width:240px;max-width:320px;padding:6px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg2);box-shadow:var(--shadow-lg)}
.chat-popup-head{display:flex;flex-direction:column;padding:6px 10px 8px;font-size:var(--ui-body);font-weight:600;border-bottom:1px solid var(--border);margin-bottom:4px}
.chat-popup-head small{font-weight:400;font-size:var(--ui-caption);color:var(--text3)}
.chat-popup button{display:flex;align-items:center;gap:10px;width:100%;min-height:36px;padding:6px 10px;border:0;border-radius:var(--r-md);background:transparent;color:var(--text);font:inherit;font-size:var(--ui-body);text-align:left;cursor:pointer}
.chat-popup button:hover,.chat-popup button:focus-visible{background:var(--accent-light);color:var(--accent-ink);outline:none}
.chat-popup-ic{flex:none;display:grid;place-items:center;width:20px;color:var(--text3)}
.chat-popup button b{display:block;font-weight:500}
.chat-popup button small{display:block;color:var(--text3);font-size:var(--ui-caption)}
.chat-link{padding:0;border:0;background:transparent;color:var(--accent-ink);font:inherit;font-size:var(--ui-label);font-weight:500;cursor:pointer}
.chat-link:hover{text-decoration:underline}

/* ── windows: channels, people ────────────────────────────────────────────────────────────────────────────── */
.chat-modal-head{display:flex;align-items:center;gap:8px}
.chat-modal-head h3{margin:0;flex:1;font-size:var(--ui-dialog);display:flex;align-items:center;gap:6px}
.chat-modal-note{margin:4px 0 12px;font-size:var(--ui-body);color:var(--text2)}
.chat-browse{display:flex;flex-direction:column;gap:2px;max-height:50vh;overflow-y:auto}
.chat-browse-row{display:flex;align-items:center;gap:10px;padding:8px 6px;border-radius:var(--r-md)}
.chat-browse-row:hover{background:var(--bg3)}
.chat-browse-text{flex:1;min-width:0}
.chat-browse-sub{font-size:var(--ui-caption);color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-form{display:flex;flex-direction:column;gap:14px}
.chat-field{display:flex;flex-direction:column;gap:6px;font-size:var(--ui-label);font-weight:600;color:var(--text2)}
.chat-field em{font-weight:400;font-style:normal;color:var(--text3)}
.chat-field .form-input,.chat-form .form-input{flex:none}
.chat-options{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.chat-option{position:relative;display:flex;flex-direction:column;gap:3px;padding:10px 12px;border:1px solid var(--border2);border-radius:var(--r-lg);cursor:pointer;font-weight:400;transition:border-color var(--mo-fast,150ms),background var(--mo-fast,150ms)}
.chat-option input{position:absolute;opacity:0;pointer-events:none}
.chat-option b{display:flex;align-items:center;gap:6px;font-size:var(--ui-body);color:var(--text)}
.chat-option small{font-size:var(--ui-caption);color:var(--text3);line-height:1.4}
.chat-option.on{border-color:var(--accent);background:var(--accent-light)}
.chat-option:focus-within{box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.chat-chosen{display:flex;flex-wrap:wrap;gap:6px}
.chat-chosen:empty{display:none}
.chat-chip-person{display:inline-flex;align-items:center;gap:4px;padding:2px 4px 2px 10px;border-radius:14px;background:var(--accent-light);color:var(--accent-ink);font-size:var(--ui-label);font-weight:500}
.chat-chip-person button{display:grid;place-items:center;width:20px;height:20px;border:0;border-radius:50%;background:transparent;color:inherit;cursor:pointer}
.chat-chip-person button:hover{background:color-mix(in srgb,var(--accent) 25%,transparent)}
.chat-form-error:empty{display:none}
.chat-form-error{color:var(--red);font-size:var(--ui-label)}
.chat-form-actions{display:flex;justify-content:flex-end;gap:8px}
.chat-people-list{display:flex;flex-direction:column;max-height:30vh;overflow-y:auto}
.chat-person{display:flex;align-items:center;gap:10px;padding:6px 4px;font-size:var(--ui-body)}
.chat-person em{margin-left:4px;color:var(--text3);font-style:normal;font-size:var(--ui-caption)}
.chat-leave{color:var(--red);border-color:color-mix(in srgb,var(--red) 40%,transparent)}
.chat-nav-pill{position:absolute;top:-3px;right:-3px;min-width:14px;height:14px;padding:0 3px;border-radius:var(--r-sm);font-size:9px;line-height:1}

/* ── the quick panel ──────────────────────────────────────────────────────────────────────────────────────── */
.chat-focus{display:flex;flex-direction:column;gap:10px;margin:2px 0 6px;padding:12px 12px 10px 14px;border:1px solid var(--border);border-radius:var(--r-xl);background:var(--bg3)}
.chat-focus.has-unread{border-color:color-mix(in srgb,var(--accent) 45%,transparent);background:color-mix(in srgb,var(--accent-light) 70%,var(--bg2))}
.chat-focus-head{display:flex;align-items:center;gap:10px}
.chat-focus-title{flex:1;min-width:0;display:flex;flex-direction:column}
.chat-focus-title b{font-size:var(--ui-section);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-focus-title span,.chat-focus-head time{font-size:var(--ui-caption);color:var(--text3)}
.chat-focus-msgs{display:flex;flex-direction:column;gap:6px;max-height:230px;overflow-y:auto;padding-left:2px}
.chat-fm{display:flex;flex-direction:column;align-items:flex-start;gap:2px;max-width:92%}
.chat-fm.mine{align-self:flex-end;align-items:flex-end}
.chat-fm-who{padding-left:6px;font-size:var(--ui-caption);color:var(--text3)}
.chat-bubble{padding:7px 12px;border:1px solid var(--border);border-radius:var(--r-xs) var(--r-lg) var(--r-lg) var(--r-lg);background:var(--bg2);font-size:var(--ui-body);line-height:1.45;overflow-wrap:anywhere}
/* your own messages: the normal surface with an accent border, so everything inside (file names, buttons, cards, code) keeps its normal colours */
.chat-fm.mine .chat-bubble{border-radius:14px 4px 14px 14px;border-color:transparent;background:var(--accent-ink);color:var(--on-accent)}
.chat-fm.mine .chat-bubble a,.chat-fm.mine .chat-bubble .chat-mention{color:var(--on-accent)}
.chat-fm.mine .chat-icode{border-color:transparent;background:color-mix(in srgb,var(--on-accent) 18%,transparent);color:var(--on-accent)}
.chat-fm.mine .chat-ref{background:color-mix(in srgb,var(--on-accent) 20%,transparent);color:var(--on-accent)}
.chat-fm.mine .chat-quote{border-left-color:color-mix(in srgb,var(--on-accent) 50%,transparent);color:inherit}
.chat-fm.mine .chat-code{background:color-mix(in srgb,var(--on-accent) 14%,transparent);border-color:transparent;color:var(--on-accent)}
.chat-fm>.chat-atts{margin:0 0 2px;max-width:100%}
.chat-fm.mine>.chat-atts{align-items:flex-end}
.chat-fm>.chat-atts .chat-img img{max-width:min(260px,calc(100vw - 96px));max-height:220px}
.chat-fm-system{align-self:center;font-size:var(--ui-caption);color:var(--text3)}
.chat-focus-typing{min-height:16px;display:flex;align-items:center;gap:8px;padding-left:4px;font-size:var(--ui-caption);color:var(--text3)}
.chat-focus-typing:empty{min-height:0}
.chat-focus-reply{display:flex;align-items:center;gap:8px}
.chat-reply-input{flex:1;min-width:0;height:38px;box-sizing:border-box;padding:0 14px;border:1px solid var(--border2);border-radius:19px;background:var(--bg2);color:var(--text);font:inherit;font-size:var(--ui-input);transition:border-color var(--mo-fast,150ms),box-shadow var(--mo-fast,150ms)}
.chat-reply-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}
.chat-send-round{flex:none;width:38px;height:38px;display:grid;place-items:center;border:0;border-radius:50%;background:var(--accent-ink);color:var(--on-accent);cursor:pointer;transition:background var(--mo-fast,150ms),transform var(--mo-fast,150ms)}
.chat-send-round:hover{background:var(--accent-ink-hover)}
.chat-send-round:active{transform:scale(.94)}
.chat-send-round:disabled{opacity:.5;cursor:default}
.chat-glyph-lg{flex:none;display:grid;place-items:center;width:36px;height:36px;border-radius:var(--r-lg);background:var(--bg3);color:var(--text3);font-size:var(--ui-reading);font-weight:500}
.chat-glyph-lg .pj-av{box-shadow:none}
#chat-nav-btn.active{background:var(--accent-light);color:var(--accent-ink)}

@media (max-width:820px){
  .chat-preview{display:block}
  .chat-when{display:block}
  .chat-item{align-items:center;gap:12px;padding:8px 10px}
  .chat-item .chat-glyph{width:36px;height:36px;border-radius:var(--r-lg);background:var(--bg3);display:grid;place-items:center;font-size:var(--ui-reading)}
  .chat-item .chat-name{font-size:var(--ui-reading)}
  .chat-item .chat-meta2{flex-direction:column;align-items:flex-end}
  .chat-people-label{display:none}
  .chat-options{grid-template-columns:1fr}
}
.subtab .chat-pill:not([hidden]){display:inline-grid;vertical-align:middle;margin-left:4px}
#projects-subtab-chat{white-space:nowrap}

/* ── Slack-style writing and reading ──────────────────────────────────────────────────────────────────────── */
.chat-box{overflow:visible}
.chat-fmt{display:flex;gap:2px;padding:4px 6px;border-bottom:1px solid var(--border);background:var(--bg3);border-radius:calc(var(--r-lg) - 1px) calc(var(--r-lg) - 1px) 0 0}
.chat-tool{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:28px;height:28px;padding:0 6px;border:0;border-radius:var(--r-sm);background:transparent;color:var(--text2);font:inherit;font-size:var(--ui-label);cursor:pointer;transition:background var(--mo-fast),color var(--mo-fast)}
.chat-tool:hover{background:color-mix(in srgb,var(--text) 8%,transparent);color:var(--text)}
.chat-tool:focus-visible{outline:none;box-shadow:0 0 0 2px var(--accent)}
.chat-tool-link span{font-weight:500}
.chat-hint{margin-right:6px;font-size:var(--ui-caption);color:var(--text3);white-space:nowrap}
.chat-send{flex:none;width:32px;height:32px;display:grid;place-items:center;border:0;border-radius:var(--r-md);background:var(--accent-ink);color:var(--on-accent);cursor:pointer;box-shadow:var(--shadow-sm);transition:background var(--mo-fast),box-shadow var(--mo-fast)}
.chat-send:hover{background:var(--accent-hover);box-shadow:var(--shadow-md)}
.chat-send:disabled{opacity:.5;cursor:default;box-shadow:none}
.chat-send:focus-visible{outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 35%,transparent)}
.chat-new{display:flex;align-items:center;gap:8px;margin:10px 0 4px}
.chat-new::before{content:"";flex:1;height:1px;background:var(--accent-ink)}
.chat-new span{padding:0 8px;border-radius:var(--r-lg);background:var(--accent-ink);color:var(--on-accent);font-size:var(--ui-caption);font-weight:600;line-height:18px}
.chat-p{margin:0}
.chat-p+.chat-quote,.chat-p+.chat-list-md,.chat-quote+.chat-p,.chat-list-md+.chat-p{margin-top:3px}
.chat-quote{margin:2px 0;padding:0 0 0 10px;border-left:3px solid var(--border2);color:var(--text2)}
.chat-list-md{margin:2px 0;padding-left:22px}
.chat-code{margin:4px 0;padding:8px 10px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg3);font-family:var(--mono);font-size:var(--ui-label);line-height:1.5;overflow-x:auto;white-space:pre;max-width:100%}
.chat-icode{padding:1px 5px;border:1px solid var(--border);border-radius:var(--r-xs);background:var(--bg3);font-family:var(--mono);font-size:.92em}
.chat-text s{color:var(--text3)}
.chat-ref{display:inline-flex;align-items:center;gap:4px;max-width:100%;padding:0 6px;border-radius:var(--r-sm);background:var(--accent-light);color:var(--accent-ink);font-weight:500;text-decoration:none;vertical-align:baseline;transition:background var(--mo-fast)}
.chat-ref svg{flex:none}
.chat-ref span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-ref:hover{background:color-mix(in srgb,var(--accent) 24%,var(--bg2))}
.chat-ref.private{background:var(--bg3);color:var(--text3);font-weight:400;cursor:default}
.chat-replies{display:flex;align-items:center;gap:8px;max-width:100%;margin-top:4px;padding:3px 8px 3px 4px;border:1px solid transparent;border-radius:var(--r-md);background:transparent;color:var(--accent-ink);font:inherit;font-size:var(--ui-label);cursor:pointer;transition:background var(--mo-fast),border-color var(--mo-fast)}
.chat-replies:hover{background:var(--bg2);border-color:var(--border)}
.chat-replies b{font-weight:600}
.chat-replies-av{display:inline-flex}
.chat-replies-av>span{display:inline-flex;margin-left:-6px;border-radius:50%;box-shadow:0 0 0 2px var(--bg3)}
.chat-replies-av>span:first-child{margin-left:0}
.chat-replies-last{color:var(--text3)}
.chat-replies-go{display:none;margin-left:auto;color:var(--text2)}
.chat-replies:hover .chat-replies-go{display:inline}
.chat-sec-toggle{display:inline-flex;align-items:center;gap:6px;padding:2px 4px;border:0;border-radius:var(--r-sm);background:transparent;color:inherit;font:inherit;letter-spacing:inherit;text-transform:inherit;cursor:pointer}
.chat-sec-toggle:hover{color:var(--text)}
.chat-sec-toggle:focus-visible{outline:none;box-shadow:0 0 0 2px var(--accent)}
.chat-fold-caret{transition:transform var(--mo-fast)}
.chat-sec.folded .chat-fold-caret{transform:rotate(-90deg)}
@media (prefers-reduced-motion:reduce){.chat-fold-caret{transition:none}}
.chat-records{max-width:480px}
.chat-record{display:flex;align-items:center;gap:10px;padding:8px 12px 8px 10px;border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--r-md);background:var(--bg2);color:var(--text);text-decoration:none;transition:background var(--mo-fast),border-color var(--mo-fast)}
.chat-record:hover{background:var(--bg3);border-color:var(--border2);border-left-color:var(--accent)}
.chat-record-ic{flex:none;width:28px;height:28px;display:grid;place-items:center;border-radius:var(--r-md);background:var(--accent-light);color:var(--accent-ink)}
.chat-record-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
.chat-record-top{display:flex;align-items:baseline;gap:8px;min-width:0}
.chat-record-id{font-family:var(--mono);font-size:var(--ui-label);font-weight:600;color:var(--text)}
.chat-record-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--ui-body);font-weight:600;color:var(--text)}
.chat-record-kind{flex:none;font-size:var(--ui-caption);letter-spacing:.04em;text-transform:uppercase;color:var(--text3)}
.chat-record-title{min-width:0;font-size:var(--ui-label);color:var(--text2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-record-status.st-done,.chat-record-status.st-operational,.chat-record-status.st-active{background:var(--chip-green-bg);color:var(--chip-green-fg)}
.chat-record-status.st-failed,.chat-record-status.st-cancelled{background:var(--chip-red-bg);color:var(--chip-red-fg)}
.chat-record-status.st-maintenance,.chat-record-status.st-doing,.chat-record-status.st-running{background:var(--warn-bg);color:var(--warn-fg)}
.chat-pop-ic{flex:none;display:grid;place-items:center;color:var(--text3)}
.chat-pop-main{flex:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start}
.chat-pop-main b{font-size:var(--ui-body);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-pop-main small{font-size:var(--ui-caption);color:var(--text3);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-mention-pop button.active .chat-pop-ic,.chat-mention-pop button:hover .chat-pop-ic{color:inherit}
@media (max-width:820px){
  .chat-fmt,.chat-hint{display:none}
  .chat-tool{min-width:36px;height:36px}
  .chat-send{width:40px;height:40px}
}
@media (pointer:coarse){.chat-hint{display:none}}
.chat-text a.chat-ref,.chat-text a.chat-ref:hover{text-decoration:none}
/* the quick panel: your own photos line up on the same side as your bubbles */
.chat-fm.mine>.chat-atts .chat-att.image{align-items:flex-end}
.chat-fm.mine>.chat-atts .chat-att-meta{justify-content:flex-end}
.chat-fm.mine>.chat-atts .chat-att.file{margin-left:auto}

/* ── the team's chat inside a project (Project → Team) ─────────────────────────────────────────────────────── */
.chat-embed{margin-top:22px;padding-top:16px;border-top:1px solid var(--border)}
.chat-embed-h{display:flex;align-items:center;gap:8px;margin-bottom:10px}
.chat-embed-h h3{margin:0;font-size:var(--ui-section)}
.chat-embed-sub{font-size:var(--ui-caption);color:var(--text3)}
.chat-embed-msgs{display:flex;flex-direction:column;gap:6px;max-height:380px;min-height:60px;overflow-y:auto;padding:10px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg3)}
.chat-embed-reply{margin-top:8px}

.chat-list{min-width:0;overflow-x:hidden}
.chat-item{min-width:0}
.chat-head-title{min-width:0}
.chat-head-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-head-sub{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* the composer is a rich box: what you type is drawn as it will look */
.chat-input:empty::before{content:attr(data-placeholder);color:var(--text3);pointer-events:none}
.chat-input b,.chat-input strong{font-weight:700}
.chat-input s{color:var(--text3)}
.chat-input code{padding:1px 5px;border:1px solid var(--border);border-radius:var(--r-xs);background:var(--bg3);font-family:var(--mono);font-size:.92em}
.chat-input blockquote{margin:2px 0;padding:0 0 0 10px;border-left:3px solid var(--border2);color:var(--text2)}
.chat-input ul,.chat-input ol{margin:2px 0;padding-left:22px}
.chat-tool.on{background:color-mix(in srgb,var(--accent) 16%,transparent);color:var(--accent-ink)}

/* ── full screen (a tab opened for one conversation): just the chat, over the whole window ── */

/* ── motion (docs/features/chat_animations_plan.md): started from events, never from a render ───────────────── */
.chat-send:active,.chat-send-round:active{transform:scale(.94)}
.chat-send{transition:background var(--mo-fast),box-shadow var(--mo-fast),transform var(--mo-fast)}
.chat-newpill{position:absolute;left:50%;transform:translateX(-50%);z-index:5;display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px 0 10px;border:0;border-radius:999px;background:var(--accent-ink);color:var(--on-accent);font:inherit;font-size:var(--ui-label);font-weight:600;box-shadow:var(--shadow-md);cursor:pointer}
.chat-newpill[hidden]{display:none}
.chat-newpill b{font-weight:600}
.chat-newpill.mo-enter{animation-name:chat-pill-in}
@keyframes chat-pill-in{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}
.chat-newpill.mo-pop{animation-name:chat-pill-pop}
@keyframes chat-pill-pop{0%{transform:translateX(-50%) scale(.9)}60%{transform:translateX(-50%) scale(1.06)}100%{transform:translateX(-50%) scale(1)}}
@media (prefers-reduced-motion:reduce){.chat-newpill.mo-enter,.chat-newpill.mo-pop{animation:none}}
.chat-record-skel{height:46px}
.chat-record-skel .mo-skel{height:100%;border-radius:var(--r-md)}
.chat-img img{opacity:0;transition:opacity var(--mo-base) var(--mo-io)}
.chat-img img.in{opacity:1}
.chat-lightbox img{transform-origin:center}
.chat-group{display:flex;flex-direction:column;gap:2px}
.chat-group .chat-item{max-height:64px;overflow:hidden;transition:max-height var(--mo-base) var(--mo-io),min-height var(--mo-base) var(--mo-io),padding var(--mo-base) var(--mo-io),opacity var(--mo-fast),background var(--mo-fast)}
.chat-group.folded .chat-item:not(.unread):not(.active){max-height:0;min-height:0;padding-top:0;padding-bottom:0;opacity:0;pointer-events:none}
@media (prefers-reduced-motion:reduce){.chat-group .chat-item{transition:none}}

/* hover card on a record: facts, and the structure for molecules and reactions */
.chat-hover{position:fixed;z-index:440;width:300px;max-width:calc(100vw - 16px);display:flex;flex-direction:column;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:var(--r-lg);background:var(--bg2);color:var(--text);box-shadow:var(--shadow-lg);pointer-events:none}
.chat-hover-head{display:flex;align-items:center;gap:8px;min-width:0}
.chat-hover-head b{font-size:var(--ui-body);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-hover-head .chat-record-status{margin-left:auto}
.chat-hover-title{font-size:var(--ui-body);color:var(--text2);overflow-wrap:anywhere}
.chat-hover-struct{display:flex;justify-content:center;align-items:center;padding:6px;border:1px solid var(--border);border-radius:var(--r-md);background:var(--bg3);overflow:hidden}
.chat-hover-struct svg{max-width:100%;height:auto}
.chat-hover-facts{display:grid;grid-template-columns:auto 1fr;gap:3px 12px;margin:0;font-size:var(--ui-caption)}
.chat-hover-facts dt{color:var(--text3)}
.chat-hover-facts dd{margin:0;color:var(--text);overflow-wrap:anywhere}
.chat-pop-group{padding:6px 8px 2px;color:var(--text3);font-size:var(--ui-caption);font-weight:600;letter-spacing:.04em;text-transform:uppercase}


/* the whole chat, floating over the page: the page stays behind it, there is no backdrop */
.chat-float{position:fixed;inset:0;z-index:250;padding:12px;display:flex;pointer-events:none}
.chat-float-win{pointer-events:auto;flex:1;min-width:0;min-height:0;display:flex;border:1px solid var(--border2);border-radius:var(--r-xl);background:var(--bg2);box-shadow:var(--shadow-lg);overflow:hidden}
.chat-float-win>.chat-root{flex:1;min-height:0}
.chat-mobile-close{display:none}

/* the small size of the window: the same chat, laid out as a list and then the conversation (the phone's layout), hung from the bell */
.chat-float-bar{display:none;align-items:center;gap:2px;padding:8px 8px 8px 16px;border-bottom:1px solid var(--border);flex:none}
.chat-float-title{font-size:var(--ui-section);font-weight:600;letter-spacing:-.01em}
@media (max-width:820px){
  .chat-float{padding:0}
  .chat-float-win{border:0;border-radius:0;flex-direction:column}
  .chat-float-bar{display:flex;padding:calc(8px + env(safe-area-inset-top,0px)) 10px 8px 16px;background:var(--bg2);z-index:8}
  .chat-float-bar .chat-wc,.chat-float-bar #chat-layout-btn{display:none}
  .chat-mobile-close{display:grid}
  .chat-head .chat-size-btn{display:none}
}
@media (min-width:821px){
  .chat-float.small{inset:auto;top:64px;right:8px;width:420px;height:min(720px,calc(100vh - 88px));padding:0;pointer-events:auto}
  .chat-float.small .chat-float-win{height:100%;flex-direction:column;border-radius:var(--r-lg)}
  .chat-float.small .chat-float-bar{display:flex;cursor:grab;user-select:none}
  .chat-float.small .chat-float-bar:active{cursor:grabbing}
  .chat-float.small .chat-float-bar button{cursor:pointer}
  .chat-float.small .chat-side{flex:1 1 auto;width:auto;min-width:0;max-width:none;border-right:0}
  .chat-float.small .chat-main{display:none}
  .chat-float.small .chat-root[data-view="main"] .chat-side{display:none}
  .chat-float.small .chat-root[data-view="main"] .chat-main{display:flex}
  .chat-float.small .chat-back{display:inline-flex}
  .chat-float.small .chat-thread{position:absolute;inset:0;z-index:5;flex:none;width:auto;border-left:0}
  .chat-float.small .chat-messages{padding:12px 12px 8px}
  .chat-float.small .chat-messages.has-messages::before{content:"";margin-top:auto}
  .chat-float.small .chat-composer{padding:4px 12px 12px}
  .chat-float.small .chat-size-btn{display:none}
  .chat-float.small .chat-people-label{display:none}
  .chat-float.small .chat-preview,.chat-float.small .chat-when{display:block}
  .chat-float.small .chat-item{align-items:center;gap:12px;padding:8px 10px;min-height:48px}
  .chat-float.small .chat-item .chat-glyph{width:36px;height:36px;border-radius:var(--r-lg);background:var(--bg3);display:grid;place-items:center;font-size:var(--ui-reading)}
  .chat-float.small .chat-item .chat-name{font-size:var(--ui-reading)}
  .chat-float.small .chat-item .chat-meta2{flex-direction:column;align-items:flex-end}
}

/* the window's controls: small, coloured, glyph on hover (a touch screen shows it, with a bigger target) */
.chat-wc{display:inline-flex;align-items:center;gap:0;flex:none;margin-right:6px}
.chat-wc-btn{position:relative;display:grid;place-items:center;width:20px;height:20px;padding:0;border:0;border-radius:50%;background:transparent;cursor:pointer}
.chat-wc-btn::before{content:"";width:12px;height:12px;border-radius:50%;background:var(--wc);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--text) 16%,transparent);transition:filter var(--mo-fast)}
.chat-wc-btn svg{position:absolute;opacity:0;color:color-mix(in srgb,var(--text) 78%,transparent);transition:opacity var(--mo-fast)}
.chat-wc:hover .chat-wc-btn svg,.chat-wc-btn:focus-visible svg{opacity:1}
.chat-wc-btn:hover::before{filter:brightness(.92)}
.chat-wc-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-1px}
.chat-wc-btn.red{--wc:color-mix(in srgb,var(--red) 50%,var(--bg3))}
.chat-wc-btn.green{--wc:color-mix(in srgb,var(--green) 50%,var(--bg3))}
.chat-wc-btn.yellow{--wc:color-mix(in srgb,var(--orange) 45%,var(--bg3))}
.chat-wc-btn:hover.yellow{--wc:color-mix(in srgb,var(--orange) 80%,var(--bg3))}
.chat-wc-btn:hover.red{--wc:color-mix(in srgb,var(--red) 85%,var(--bg3))}
.chat-wc-btn:hover.green{--wc:color-mix(in srgb,var(--green) 85%,var(--bg3))}
@media (hover:none){.chat-wc-btn{width:32px;height:32px}.chat-wc-btn svg{opacity:1}}
.chat-float-bar .chat-float-title{margin-left:4px}
.chat-item.kb{background:var(--accent-light);color:var(--accent-ink)}

/* what the small window does while you are not using it is each person's choice (Configuration → Chat window): transparent or shrunk to its bar; focus or the pointer on it brings it back */
@media (min-width:821px){
  .chat-float.small{transition:opacity var(--mo-base) var(--mo-io)}
  .chat-float.small[data-idle=transparent]:not(:focus-within):not(:hover){opacity:.55}
  .chat-float.small:not(.docked)[data-idle=minimize]:not(:focus-within):not(:hover){height:auto}
  .chat-float.small:not(.docked)[data-idle=minimize]:not(:focus-within):not(:hover) .chat-root{display:none!important}
}
@media (prefers-reduced-motion:reduce){.chat-float.small{transition:none}}

/* group conversations: two avatars overlapping as the glyph; the New message picker with chips */
.chat-glyph-group{position:relative;display:inline-block;flex:none}
.chat-glyph-group>span{position:absolute;display:block;line-height:0}
.chat-glyph-g0{left:0;top:0;z-index:2}
.chat-glyph-g1{right:0;bottom:0;z-index:1}
.chat-glyph-group .pj-av{box-shadow:0 0 0 2px var(--bg2)}
.chat-dm-chips{display:flex;flex-wrap:wrap;gap:4px;margin-top:8px}
.chat-dm-chips:empty{display:none}
.chat-dm-chip{display:inline-flex;align-items:center;gap:4px;padding:2px 6px 2px 4px;border:1px solid var(--border2);border-radius:var(--r-lg);background:var(--accent-light);color:var(--accent-ink);font:inherit;font-size:var(--ui-caption);cursor:pointer}
.chat-dm-chip svg{width:10px;height:10px}
.chat-dm-list .chat-item.sel{background:var(--accent-light);color:var(--accent-ink)}
.chat-dm-tick{margin-left:auto;display:grid;place-items:center}
.chat-dm-foot{display:flex;gap:8px;align-items:center;margin-top:12px}
.chat-dm-foot:empty{display:none}
.chat-dm-foot .chat-jump{flex:1}
.chat-float:focus{outline:none}

/* docked layout: the window sits above its tab, bottom right, and does not move; the tabs are the strip along the bottom edge */
@media (min-width:821px){
  .chat-float.small.docked{top:auto;bottom:38px;right:12px;left:auto;height:min(620px,calc(100vh - 110px))}
  .chat-float.small.docked .chat-float-bar{cursor:default}
}
.chat-dock{position:fixed;right:12px;bottom:0;z-index:249;display:flex;align-items:flex-end;gap:4px;max-width:calc(100vw - 24px)}
.chat-tab{display:flex;align-items:center;min-width:0;height:32px;border:1px solid var(--border2);border-bottom:0;border-radius:var(--r-md) var(--r-md) 0 0;background:var(--bg2);box-shadow:var(--shadow-sm);color:var(--text2)}
.chat-tab.on{background:var(--bg);color:var(--text);box-shadow:0 -2px 0 var(--accent) inset}
.chat-tab.unread:not(.on){border-color:color-mix(in srgb,var(--accent) 55%,var(--border2))}
.chat-tab.attention:not(.on) .chat-tab-main{animation:chat-tab-attention 2s ease-in-out 3}
.chat-tab.attention.mention:not(.on) .chat-tab-main{animation-name:chat-tab-mention}
@keyframes chat-tab-attention{0%,100%{background:transparent;box-shadow:none}45%,55%{background:color-mix(in srgb,var(--accent-light) 78%,var(--bg2));box-shadow:inset 0 2px 0 color-mix(in srgb,var(--accent) 55%,transparent)}}
@keyframes chat-tab-mention{0%,100%{background:transparent;box-shadow:none}45%,55%{background:color-mix(in srgb,var(--accent-light) 92%,var(--bg2));box-shadow:inset 0 2px 0 var(--accent),0 0 0 2px color-mix(in srgb,var(--accent) 18%,transparent)}}
.chat-tab-main{display:flex;align-items:center;gap:6px;min-width:0;max-width:150px;height:100%;padding:0 4px 0 8px;border:0;background:transparent;color:inherit;font:inherit;font-size:var(--ui-label);cursor:pointer}
.chat-tab-main:hover{color:var(--text)}
.chat-tab-g{flex:none;display:inline-grid;place-items:center;width:18px;height:18px;line-height:0}
.chat-tab-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-tab .chat-pill{flex:none}
.chat-tab-x{display:grid;place-items:center;width:22px;height:100%;padding:0;border:0;background:transparent;color:var(--text3);cursor:pointer}
.chat-tab-x svg{width:10px;height:10px}
.chat-tab-x:hover{color:var(--text)}
.chat-tab-main:focus-visible,.chat-tab-x:focus-visible,.chat-tab-more:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.chat-tab-more{position:relative;height:32px;padding:0 10px;border:1px solid var(--border2);border-bottom:0;border-radius:var(--r-md) var(--r-md) 0 0;background:var(--bg2);color:var(--text2);font:inherit;font-size:var(--ui-label);cursor:pointer}
.chat-tab-more i{position:absolute;top:5px;right:4px;width:7px;height:7px;border-radius:50%;background:var(--accent)}
@media (max-width:820px){.chat-dock{display:none}}
.chat-notification-test{animation:chat-notification-test 2s ease-in-out 3}
@keyframes chat-notification-test{0%,100%{background:transparent;box-shadow:none}45%,55%{background:var(--accent-light);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent);color:var(--accent-ink)}}
@media (prefers-reduced-motion:reduce){.chat-tab.attention:not(.on) .chat-tab-main,.chat-notification-test{animation:none;background:var(--accent-light)}}
.chat-nudge-btn.sent{color:var(--accent);background:var(--accent-light)}
.chat-nudge-btn:disabled{opacity:.55;cursor:not-allowed}
.chat-nudged{animation:chat-nudge 1.35s cubic-bezier(.36,.07,.19,.97)}
@keyframes chat-nudge{0%,100%{transform:translateX(0)}10%,30%,50%,70%{transform:translateX(-3px)}20%,40%,60%,80%{transform:translateX(3px)}45%,65%{filter:drop-shadow(0 0 7px color-mix(in srgb,var(--accent) 55%,transparent))}}
@media (prefers-reduced-motion:reduce){.chat-nudged{animation:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 35%,transparent)}}

/* the dock and the small window step aside for a panel open on the right (a task, a compound's detail, help) */
.chat-dock,.chat-float.small:not(.moved){transform:translateX(calc(-1 * var(--chat-shift,0px)))}
.chat-dock{transition:transform var(--mo-base) var(--mo-io)}
.chat-float.small{transition:opacity var(--mo-base) var(--mo-io),transform var(--mo-base) var(--mo-io)}
.chat-tab-all .chat-tab-g svg{width:14px;height:14px}
@media (prefers-reduced-motion:reduce){.chat-dock,.chat-float.small{transition:none}}
.chat-aside .chat-dock,.chat-aside .chat-float{z-index:410}      /* above the side panels (270) and the compound inspector (400), below the toasts (500) */
.chat-tab-all{margin-left:6px}
.chat-tab.dragging{position:relative;z-index:2;opacity:.85;box-shadow:var(--shadow-md);cursor:grabbing;transition:none}
.chat-tab[data-ch]{cursor:grab}
.chat-tab[data-ch] .chat-tab-main{cursor:inherit}
.chat-people-n{font-variant-numeric:tabular-nums}
.chat-people .chat-cluster svg{width:16px;height:16px}
.chat-head-title[role=button]{cursor:pointer;border-radius:var(--r-md)}
.chat-head-title[role=button]:hover .chat-head-name{text-decoration:underline;text-decoration-color:var(--text3);text-underline-offset:3px}
.chat-head-title[role=button]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.chat-composer.organisation .chat-org-unsupported{display:none}
.chat-delivery-pending{font-size:var(--ui-caption);color:var(--text3);font-style:italic;margin-top:3px}
.chat-vip-btn.on,.chat-vip-mark{color:var(--yellow-ink)}
.chat-vip-mark{display:inline-flex;align-items:center}
.chat-message-search-pop{width:min(360px,calc(100vw - 16px));padding:8px}
.chat-message-search-field{display:flex;align-items:center;gap:8px;border:1px solid var(--border);border-radius:var(--r-md);padding:7px 9px;background:var(--bg);color:var(--text3)}
.chat-message-search-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-light)}
.chat-message-search-field input{min-width:0;flex:1;border:0;outline:0;background:transparent;color:var(--text);font:inherit}
.chat-message-search-results{max-height:min(390px,55vh);overflow:auto;margin-top:6px}
.chat-search-result{display:grid;width:100%;gap:2px;text-align:left;border:0;border-radius:var(--r-md);padding:8px;background:transparent;color:var(--text);cursor:pointer}
.chat-search-result:hover,.chat-search-result:focus-visible{background:var(--bg3);outline:0}
.chat-search-result span{font-size:var(--ui-label);line-height:1.35;color:var(--text2)}
.chat-search-result small{font-size:var(--ui-caption);color:var(--text3)}
.chat-msg.chat-found{animation:chat-found-pulse 1.8s ease}
@keyframes chat-found-pulse{0%,100%{background:transparent}25%,65%{background:var(--accent-light)}}
@media (prefers-reduced-motion:reduce){.chat-msg.chat-found{animation:none;background:var(--accent-light)}}

/* productive messaging: quoted context, delivery feedback and focused utility views */
.chat-quote-compose{display:flex;align-items:center;gap:8px;margin:0 8px 6px;padding:7px 8px;border-left:3px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;background:var(--accent-light);color:var(--text2)}
.chat-quote-compose[hidden]{display:none}
.chat-quote-compose>span{display:grid;min-width:0;flex:1;gap:1px}
.chat-quote-compose b,.chat-quote-compose small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-quote-compose b{font-size:var(--ui-caption);color:var(--accent-ink)}
.chat-quote-compose small{font-size:var(--ui-caption);color:var(--text2)}
.chat-message-quote{display:grid;width:100%;gap:1px;margin:0 0 5px;padding:5px 7px;border:0;border-left:3px solid currentColor;border-radius:0 var(--r-sm) var(--r-sm) 0;background:color-mix(in srgb,currentColor 7%,transparent);color:inherit;text-align:left;cursor:pointer}
.chat-message-quote b,.chat-message-quote span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-message-quote b{font-size:var(--ui-caption)}
.chat-message-quote span{font-size:var(--ui-caption);opacity:.78}
.chat-send-state{min-height:16px;margin:2px 9px 0;color:var(--text3);font-size:var(--ui-caption);line-height:16px}
.chat-send-state:empty{display:none}
.chat-send-state button{padding:0;border:0;background:transparent;color:var(--danger);font:inherit;font-weight:600;cursor:pointer}
.chat-utility{width:min(620px,calc(100vw - 24px));max-height:min(720px,calc(100dvh - 32px));padding:0;overflow:hidden}
.chat-utility-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border)}
.chat-utility-head h3{margin:0;font-size:var(--ui-title)}
.chat-utility-body{display:grid;gap:6px;max-height:calc(100dvh - 112px);padding:12px 14px 16px;overflow:auto}
.chat-util-help{margin:0 0 6px;color:var(--text2);font-size:var(--ui-label)}
.chat-util-row{display:grid;position:relative;width:100%;gap:3px;padding:10px;border:0;border-radius:var(--r-md);background:transparent;color:var(--text);text-align:left;cursor:pointer}
.chat-util-row:hover,.chat-util-row:focus-visible{background:var(--bg3);outline:0}
.chat-util-row b{font-size:var(--ui-label)}
.chat-util-row span{overflow:hidden;color:var(--text2);font-size:var(--ui-label);line-height:1.4;text-overflow:ellipsis;white-space:nowrap}
.chat-util-row small{color:var(--text3);font-size:var(--ui-caption)}
.chat-util-row.static{padding-right:88px;border:1px solid var(--border);cursor:default}
.chat-util-row.static:hover{background:transparent}
.chat-util-row.static .btn{position:absolute;top:50%;right:8px;transform:translateY(-50%)}
.chat-util-tabs{display:grid;gap:5px}
.chat-util-tabs h4{margin:12px 6px 3px;color:var(--text2);font-size:var(--ui-caption);letter-spacing:.04em;text-transform:uppercase}
.chat-util-file{display:grid;grid-template-columns:26px minmax(0,1fr);gap:2px 8px;padding:9px;border-radius:var(--r-md);color:var(--text);text-decoration:none}
.chat-util-file:hover{background:var(--bg3)}
.chat-util-file>span{grid-row:1/3;display:grid;place-items:center;color:var(--accent)}
.chat-util-file b{overflow:hidden;font-size:var(--ui-label);text-overflow:ellipsis;white-space:nowrap}
.chat-util-file small{color:var(--text3);font-size:var(--ui-caption)}
.chat-global-results{display:grid;gap:4px}
.chat-shortcut-list{display:grid;gap:2px}
.chat-shortcut-list>div{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 6px;border-bottom:1px solid var(--border)}
.chat-shortcut-list>div:last-child{border-bottom:0}
.chat-shortcut-list kbd{padding:3px 6px;border:1px solid var(--border2);border-radius:var(--r-sm);background:var(--bg3);color:var(--text2);font:inherit;font-size:var(--ui-caption);white-space:nowrap}
.chat-shortcut-list span{color:var(--text2);font-size:var(--ui-label);text-align:right}
@media(max-width:620px){.chat-utility{width:calc(100vw - 16px);max-height:calc(100dvh - 16px)}.chat-utility-head{padding:13px 14px}.chat-util-row{padding:9px 6px}}