/* Matrixium core styles: regions, shared components, messaging UI, settings.
   Layouts and themes live in modules/*.css. */
#app{flex:1;min-height:0;display:grid;position:relative;background:var(--bg)}
#app>*{min-width:0;min-height:0}
#topbar{grid-area:top}#subbar{grid-area:sub}#rail{grid-area:rail}#tree{grid-area:tree}#chat{grid-area:chat}#side{grid-area:side}#status{grid-area:stat}

/* regions: shared look */
#topbar{display:flex;align-items:center;gap:16px;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line)}
.logo{width:30px;height:30px;border-radius:var(--r);flex:none;display:block}
.spacetabs{display:flex;height:100%;gap:2px;overflow:auto}
.spacetabs a{display:flex;align-items:center;gap:8px;padding:0 16px;color:var(--muted);font-weight:500;height:100%;position:relative;white-space:nowrap}
.spacetabs a:hover{color:var(--text)}
.spacetabs a[aria-current]{color:var(--text);font-weight:650}
.spacetabs a[aria-current]::after{content:"";position:absolute;left:10px;right:10px;bottom:-1px;height:2px;background:var(--accent);border-radius:2px}
#topbar .field{width:320px;margin:auto}
#subbar{display:flex;align-items:center;gap:8px;padding:0 16px;background:var(--surface);border-bottom:1px solid var(--line);overflow:auto}
#subbar .chip.on{background:var(--accent);color:var(--on-accent)}
#rail{display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 0;overflow:auto;background:var(--surface-2);border-right:1px solid var(--line)}
#rail .sp{position:relative;border-radius:var(--r);display:block}
#rail .sp.act::before{content:"";position:absolute;left:-14px;top:8px;width:4px;height:24px;border-radius:0 4px 4px 0;background:var(--accent)}
#tree{display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--line)}
#tree .th{height:52px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 16px;font-weight:650;font-size:1.071rem}
#tree .scroll{flex:1;padding:4px 8px}
#tree .foot{flex:none;display:flex;align-items:center;gap:4px;padding:8px;border-top:1px solid var(--line)}
#tree .foot .me{flex:1;min-width:0;display:flex;align-items:center;gap:8px;padding:4px;font-size:0.929rem}
#tree .foot .me span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#chat{display:flex;flex-direction:column;background:var(--surface);position:relative}
#side{background:var(--bg);border-left:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:16px;overflow:auto}
#side h2{font-size:.786rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:8px;font-weight:600}
#side .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:12px;display:grid;gap:8px}
#status{display:flex;align-items:center;gap:16px;padding:0 12px;background:var(--accent);color:var(--on-accent);font:600 11px var(--mono)}
#status .sp{flex:1}
.banner{display:flex;align-items:center;gap:12px;padding:12px 16px;background:color-mix(in srgb,var(--accent) 12%,var(--surface));border-bottom:1px solid var(--line);flex:none}
.banner[hidden]{display:none}.banner p{flex:1}
.empty{flex:1;display:grid;place-items:center;color:var(--muted);text-align:center;padding:24px}
.tl .m .h b{color:var(--text)}
.tl.cmp .h b{color:var(--c)}
.tl .m.k-undecryptable p{color:var(--muted);font-style:italic}
.tl .m.pending{opacity:.6}
/* live captions overlay (transport-agnostic; fed by the "caption" event) */
#captions{position:absolute;left:50%;transform:translateX(-50%);bottom:84px;width:min(760px,86%);display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;z-index:3}
#captions .cap{background:rgba(0,0,0,.82);color:#fff;padding:8px 16px;border-radius:var(--r);font-size:1.286rem;line-height:1.35;text-align:center;max-width:100%}
#captions .cap small{font-size:0.857rem;opacity:.75;margin:8px;font-weight:600}
#captions .cap.interim{opacity:.85}
/* login */
#login,#onboard{position:fixed;inset:0;display:grid;place-items:center;background:var(--bg);z-index:20}
#login .box,#onboard .box{width:min(420px,90vw);text-align:center;display:grid;gap:16px;justify-items:center}
#login img,#onboard img{width:120px;filter:drop-shadow(0 12px 24px rgba(0,0,0,.28))}
#login h1,#onboard h1{font-size:1.857rem;letter-spacing:-.02em}
#login[hidden],#onboard[hidden]{display:none}
dialog{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--text);padding:16px;max-width:min(760px,92vw);width:100%}
dialog::backdrop{background:rgba(0,0,0,.45)}
dialog h2{font-size:1.286rem;margin:12px}
dialog .row{display:grid;gap:8px;margin:12px}
dialog label{font-size:0.857rem;font-weight:600;color:var(--muted)}
dialog input,dialog select{height:36px;border-radius:var(--r);border:1px solid var(--line-strong);background:var(--surface-2);color:var(--text);padding:0 12px;font:inherit}
dialog .actions{display:flex;justify-content:flex-end;gap:8px;margin:8px}
.lpick{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.lcard{border:2px solid var(--line-strong);border-radius:var(--r);padding:12px;text-align:left;background:var(--surface);display:grid;gap:8px}
.lcard:hover{border-color:var(--muted)}.lcard[aria-checked=true]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--surface))}
.lcard svg{width:100%;height:auto;border-radius:var(--r);background:var(--bg)}
.lcard b{display:block}.lcard span{font-size:0.857rem;color:var(--muted)}
.search-res .room{height:36px}.search-res small{color:var(--muted);font-size:.786rem}

#side{display:flex}
/* ---------- messaging UI ---------- */
[data-motion=reduce] *{transition:none!important;animation:none!important}
.m{position:relative}
.m .mc{min-width:0}
.m .h .edited{font-size:.786rem;color:var(--muted)}
.m.cont{padding:0}.m.cont .av{visibility:hidden;height:0}.m.cont .h{display:none}
.m.hl{background:color-mix(in srgb,var(--accent) 10%,transparent);box-shadow:inset 3px 0 var(--accent)}
.m.failed .txt{color:var(--danger)}
.m.flash{animation:flash 1.6s}
@keyframes flash{0%,60%{background:var(--accent-soft)}100%{background:transparent}}
.m .soft{color:var(--muted);font-style:italic}
.m .txt{overflow-wrap:anywhere;max-width:72ch}
.m .txt a{color:var(--text);text-decoration:underline;text-underline-offset:2px}
.m .txt pre{background:var(--surface-2);padding:8px 12px;border-radius:var(--r);overflow:auto;margin:4px 0}
.m .txt code{font-family:var(--mono);font-size:.92em;background:var(--surface-2);padding:1px 4px;border-radius:4px}
.m .txt pre code{background:none;padding:0}
.m .txt blockquote{border-left:3px solid var(--line);margin:4px 0;padding:12px;color:var(--muted)}
.m .txt ul,.m .txt ol{margin:4px 0;padding:22px}
.quote{border-left:3px solid var(--accent);padding:2px 12px;margin:2px 0 4px;color:var(--muted);font-size:.92em;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60ch}
.quote b{color:var(--text);margin:8px}
img.img,video.img{display:block;border-radius:var(--r);margin:4px;cursor:zoom-in;background:var(--surface-2);max-height:360px;object-fit:contain}
audio{margin:4px;max-width:100%}
button.file{text-align:left}
.rx button{padding:1px 8px;border:1px solid var(--line);border-radius:var(--r);font-size:0.857rem;background:var(--surface);cursor:pointer}
.rx button.mine{border-color:var(--accent);background:var(--accent-soft)}
.mtools{position:absolute;right:8px;top:-14px;display:none;gap:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:2px;box-shadow:var(--e1);z-index:2}
.m:hover .mtools,.m:focus-within .mtools{display:flex}
.mtools .ib{width:28px;height:28px}
.tl.cmp .mc{grid-column:3}
.tl.cmp .h .edited{order:5}
.tl.bub .mc{display:contents}
.typing{height:18px;padding:0 24px;font-size:0.857rem;color:var(--muted);flex:none}
.ctxbar{display:flex;align-items:center;gap:8px;margin:0 24px;padding:8px 12px;background:var(--surface-2);border-radius:3px 0 0;font-size:0.929rem;color:var(--muted)}
.ctxbar span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#composer-wrap{position:relative;flex:none}
.cmpz{align-items:flex-end}
.cmpz textarea{flex:1;min-width:0;padding:8px 8px;border:0;outline:0;background:none;resize:none;max-height:200px;line-height:1.4;font:inherit;color:var(--text)}
.mpop{position:absolute;left:24px;bottom:64px;width:320px;max-height:min(50vh,360px);overflow-y:auto;max-width:calc(100% - 48px);background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--e1);padding:4px;z-index:5}
.mpop button{display:flex;align-items:center;gap:8px;width:100%;padding:8px 8px;border-radius:var(--r);text-align:left}
.mpop button.sel,.mpop button:hover{background:var(--accent-soft)}
.mpop small{color:var(--muted);margin:auto;font-size:.786rem;overflow:hidden;text-overflow:ellipsis}
.menu{position:fixed;z-index:60;min-width:200px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--e1);padding:4px}
.menu button{display:block;width:100%;text-align:left;padding:8px 12px;border-radius:var(--r)}
.menu button:hover,.menu button:focus-visible{background:var(--accent-soft)}
.menu .danger{color:var(--danger)}.menu hr{border:0;border-top:1px solid var(--line);margin:4px 0}
  .emoji{position:fixed;z-index:60;display:block;width:310px;padding:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--e1)}
.emoji button{width:34px;height:34px;border-radius:var(--r);font-size:1.429rem}.emoji button:hover{background:var(--accent-soft)}
dialog.lightbox{background:transparent;border:0;max-width:96vw;max-height:96vh;padding:0}
dialog.lightbox img{max-width:94vw;max-height:92vh;border-radius:var(--r)}
dialog.lightbox .ib{position:fixed;top:16px;right:16px;background:rgba(0,0,0,.6);color:#fff}
/* side panel */
#side{padding:0;gap:0}
.stabs{display:flex;gap:2px;padding:8px 8px 0;border-bottom:1px solid var(--line);flex:none}
.stabs button{padding:8px 12px;border-radius:3px 0 0;color:var(--muted);font-weight:500;border-bottom:2px solid transparent}
.stabs button[aria-selected=true]{color:var(--text);font-weight:650;border-bottom-color:var(--accent)}
.sbody{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:16px;min-height:0}
.sbody select,.sbody input:not([type=checkbox]){height:34px;border-radius:var(--r);border:1px solid var(--line-strong);background:var(--surface-2);color:var(--text);padding:0 8px;font:inherit}
.pad{padding:8px}
.plist{display:flex;flex-direction:column;gap:2px;overflow:auto}
.person{display:flex;align-items:center;gap:12px;padding:8px 8px;border-radius:var(--r);text-align:left;width:100%}
.person:hover{background:var(--surface-2)}
.person .t{flex:1;min-width:0;display:flex;flex-direction:column}.person small{color:var(--muted);font-size:.786rem;overflow:hidden;text-overflow:ellipsis}
.tag{font-size:.786rem;font-weight:600;padding:1px 8px;border-radius:var(--r);background:var(--surface-2);color:var(--muted)}
.thread{display:flex;flex-direction:column;height:100%;margin:-14px}
.thead{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--line)}
.thread .tl{padding:8px;flex:1}.thread .cmpz{margin:8px}
.btn.sm{height:26px;padding:0 8px;font-size:0.857rem}
.room.invite{gap:8px;font-weight:600;color:var(--text)}
.fav{color:var(--star);font-size:0.857rem}
.emojis{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin:12px 0}
.emojis div{display:flex;flex-direction:column;align-items:center;width:64px}.emojis span{font-size:2.571rem}.emojis small{font-size:.786rem;color:var(--muted);text-align:center}
.mbody .row{display:grid;gap:8px;margin:12px}.mbody label{font-size:0.857rem;font-weight:600;color:var(--muted)}
.mbody input:not([type=checkbox]),.mbody select{height:36px;border-radius:var(--r);border:1px solid var(--line-strong);background:var(--surface-2);color:var(--text);padding:0 12px;font:inherit;width:100%}
/* side visibility (layouts add their own column overrides) */
#app[data-side=off] #side{display:none}
/* settings */
#settings{position:fixed;inset:0;z-index:40;background:var(--bg);display:grid;grid-template-columns:260px 1fr}
#settings[hidden]{display:none}
#set-nav{padding:16px 12px;display:flex;flex-direction:column;gap:2px;border-right:1px solid var(--line);background:var(--surface-2);overflow:auto}
#set-nav h2{padding:0 12px 12px;font-size:1.286rem}
#set-nav button{display:flex;align-items:center;gap:12px;padding:8px 12px;border-radius:var(--r);text-align:left;color:var(--muted);font-weight:500}
#set-nav button:hover{background:var(--surface)}#set-nav button[aria-current=true]{background:var(--accent-soft);color:var(--text);font-weight:650}
#set-body{overflow:auto;padding:24px 32px 60px;outline:0}
#set-body h1{font-size:1.714rem;margin:16px;letter-spacing:-.02em}
.sbox{display:grid;gap:16px;max-width:760px}
.scard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 16px;display:grid;gap:12px}
.scard h3{font-size:1rem}
.srow{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0}.srow p{font-size:0.929rem;margin:2px}
.scard select,.scard input:not([type=checkbox]):not([type=range]){height:36px;border-radius:var(--r);border:1px solid var(--line-strong);background:var(--surface-2);color:var(--text);padding:0 12px;font:inherit}
.scard .actions{display:flex;justify-content:flex-end}
.chips{display:flex;gap:8px;flex-wrap:wrap}
#set-close{position:fixed;top:16px;right:20px}
.sw{position:relative;width:42px;height:24px;flex:none}.sw input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer}
.sw span{position:absolute;inset:0;border-radius:var(--r);background:var(--line);transition:background .15s}
.sw span::after{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:var(--e1)}
.sw input:checked+span{background:var(--accent)}.sw input:checked+span::after{transform:translateX(18px)}
.sw input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
@media (max-width:760px){#settings{grid-template-columns:1fr}#set-nav{flex-direction:row;overflow:auto;padding:8px}#set-nav h2{display:none}}


/* ---------- module-contributed UI (calls, polls, widgets, voice…) ---------- */
.av img{position:absolute;inset:0;width:100%;height:100%;border-radius:inherit;object-fit:cover}
#st-left{align-items:center}
#roombanners .rbanner{display:flex;align-items:center;gap:12px;padding:8px 16px;background:color-mix(in srgb,var(--ok) 14%,var(--surface));border-bottom:1px solid var(--line)}
#roombanners .rbanner > span:first-child{flex:1;display:flex;align-items:center;gap:8px}
.live-dot{color:var(--ok);display:inline-flex}
#customview{flex:1;min-height:0;display:flex;flex-direction:column;overflow:auto}
#customview[hidden]{display:none}
.vroom{margin:auto;text-align:center;display:grid;gap:12px;justify-items:center;padding:24px}
#callview{position:absolute;z-index:30;background:var(--surface);display:flex;flex-direction:column;border:1px solid var(--line);overflow:hidden}
#callview[hidden]{display:none}
#callview[data-mode=full]{inset:0;border:0}
#callview[data-mode=pip]{right:16px;bottom:16px;width:380px;height:260px;border-radius:var(--r);box-shadow:var(--e1)}
#callview .chead{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);flex:none}
#callview .cbody{flex:1;min-height:0}
.widget-frame{width:100%;height:100%;border:0;background:#000}
dialog.widget-dialog{width:min(1100px,94vw);height:min(760px,90vh);max-width:none;padding:0;display:flex;flex-direction:column;overflow:hidden}
dialog.widget-dialog[open]{display:flex}
dialog.widget-dialog header{display:flex;align-items:center;padding:8px 12px;border-bottom:1px solid var(--line)}
dialog.widget-dialog .wbody{flex:1;min-height:0}
.poll{display:grid;gap:8px;max-width:420px;margin:2px}
.pollopt{position:relative;display:flex;justify-content:space-between;gap:12px;align-items:center;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);text-align:left}
.pollopt .bar{position:absolute;left:0;top:0;bottom:0;background:var(--accent-soft);z-index:0;transition:width .2s}
.pollopt .t,.pollopt .n{position:relative;z-index:1}.pollopt.mine{border-color:var(--accent)}
.pollopt:disabled{cursor:default}
.ib.recording{background:var(--danger);color:#fff;position:relative}
.ib.recording::after{content:attr(data-t);position:absolute;top:-18px;left:50%;transform:translateX(-50%);font-size:.786rem;color:var(--danger);font-weight:700}

.calldiag{position:absolute;left:16px;right:16px;bottom:16px;background:var(--surface);color:var(--text);border:1px solid var(--danger);border-radius:var(--r);padding:12px 16px;z-index:5;user-select:text}
#callview .cbody{position:relative}
.calldiag pre{max-height:140px;overflow:auto;font-size:.786rem;white-space:pre-wrap;background:var(--surface-2);padding:8px;border-radius:var(--r);margin:8px 0}

[hidden]{display:none !important}

.callmsg{display:flex;align-items:center;gap:8px;color:var(--muted);font-style:italic}
.tl.cmp .callmsg{grid-column:3}

/* dense log: long names (agents, bridges) get an ellipsis instead of overlapping the message */
.tl.cmp .b{grid-template-columns:48px minmax(110px,170px) 1fr;column-gap:8px}
.tl.cmp .h b{grid-column:2;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tl.cmp .mc{min-width:0}
.tl.cmp .quote{max-width:100%}
.tl.cmp .m.cont .h{display:none}
.m .edited{font-size:.786rem;color:var(--muted)}

/* dense log, redesigned: no name column. A small "name · time" line above each message (hidden for
   follow-ups from the same sender), message text uses the full width. */
.tl.cmp .b{display:block;width:100%;min-width:0}
.tl.cmp .h{display:flex;gap:8px;align-items:baseline;min-width:0}
.tl.cmp time{order:0;font-size:.786rem;white-space:nowrap}
.tl.cmp .h b{max-width:min(60%,340px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.92em}
.tl.cmp .mc,.tl.cmp p,.tl.cmp .file,.tl.cmp .rx,.tl.cmp .thr{grid-column:auto}
.tl.cmp .m{padding:4px 8px}
.tl.cmp .m .txt{max-width:none}

/* fold the room list: layouts size their tree column with var(--tree-w, <width>) */
#app[data-tree=off]{--tree-w:0px}
#app[data-tree=off] #tree{visibility:hidden;overflow:hidden;border:0;padding:0;min-width:0}

/* dense log, v3: small avatar anchors each sender; name line (bold, coloured) + time (muted) above the text;
   more space between messages than inside one; follow-ups from the same sender share the block. */
.tl.cmp .m{display:flex;gap:12px;padding:1px 8px}
.tl.cmp .m:not(.cont){margin:12px 0 0}
.tl.cmp .m.cont{margin:0}
.tl.cmp .av{display:grid !important;width:28px !important;height:28px !important;font-size:.786rem !important;margin:2px}
.tl.cmp .m.cont .av{visibility:hidden;height:0 !important}
.tl.cmp .b{display:block;flex:1;min-width:0}
.tl.cmp .h{display:flex;gap:8px;align-items:baseline;margin:2px}
.tl.cmp .h b{font-weight:700;font-size:.95em;max-width:min(70%,420px)}
.tl.cmp time{font-size:.786rem;color:var(--muted);font-family:var(--font)}
.tl.cmp .m .txt{line-height:1.45}


/* ================= foundation (UX audit P0-01..03, P0-07) ================= */
::placeholder{color:var(--placeholder);opacity:1}
.av{background:var(--cb,var(--surface-3));font-size:max(10px,calc(var(--s,32px)*.42))}
.id0{--c:var(--id-0);--cb:var(--idbg-0)}.id1{--c:var(--id-1);--cb:var(--idbg-1)}.id2{--c:var(--id-2);--cb:var(--idbg-2)}.id3{--c:var(--id-3);--cb:var(--idbg-3)}.id4{--c:var(--id-4);--cb:var(--idbg-4)}.id5{--c:var(--id-5);--cb:var(--idbg-5)}.id6{--c:var(--id-6);--cb:var(--idbg-6)}.id7{--c:var(--id-7);--cb:var(--idbg-7)}.id8{--c:var(--id-8);--cb:var(--idbg-8)}.id9{--c:var(--id-9);--cb:var(--idbg-9)}
.btn:not(.pri):not(.bad){border-color:var(--line-strong)}
.btn.pri:hover{background:var(--accent-hover);filter:none}
.btn.pri:active{transform:translateY(1px)}
.btn.bad{background:var(--danger-solid);color:var(--on-danger)}
.btn:disabled,.ib:disabled{opacity:.45;cursor:not-allowed}
.btn.ghost{background:transparent;border-color:transparent}.btn.ghost:hover{background:var(--surface-2)}
.btn.ghost.danger{color:var(--danger)}
.ib[aria-pressed=true],.ib.on{background:transparent;color:var(--accent);box-shadow:none}
.field{border-color:var(--line-strong)}
.chip{border-color:var(--line-strong)}
.chip.on,#subbar .chip.on{background:var(--accent);color:var(--on-accent);border-color:transparent}
.room.active{box-shadow:inset 3px 0 var(--accent)}
.menu button:hover,.menu button:focus-visible{background:var(--surface-2)}
.sw span{background:var(--surface-2);box-shadow:inset 0 0 0 1px var(--line-strong)}
.sw span::after{background:var(--muted)}
.sw input:checked+span{background:var(--accent);box-shadow:none}
.sw input:checked+span::after{background:var(--on-accent)}
.fav{color:var(--star)}
#status :focus-visible{outline-color:var(--focus-on-dark)}
[data-motion=reduce] .m.flash{animation:none;box-shadow:inset 3px 0 var(--accent)}

/* ================= responsive + navigation (audit P0-04, P0-05) ================= */
@media (max-width:1100px){
  #app #side{position:absolute;right:0;top:var(--top-h,52px);bottom:0;width:min(var(--side-w,340px),90vw);z-index:6;box-shadow:var(--e3);transform:translateX(101%);transition:transform var(--dur-2) var(--ease),visibility 0s linear var(--dur-2);visibility:hidden;display:flex}
  #app.side-open #side{transform:none;visibility:visible;transition:transform var(--dur-2) var(--ease)}
  #app[data-side=off] #side{display:flex}
}
.ib.sm{width:24px;height:24px;border-radius:var(--r-2)}
.lbl .ib{color:var(--muted)}
.lbl .ib:hover{color:var(--text)}

/* ================= feedback + dialogs v2 (audit P0-10, P0-16) ================= */
#toasts{position:fixed;inset:auto auto 16px 16px;margin:0;padding:0;border:0;background:transparent;overflow:visible;display:flex;flex-direction:column;gap:8px;max-width:min(420px,calc(100vw - 32px))}
#toasts:not(:popover-open){display:flex}
.toast{display:flex;align-items:flex-start;gap:12px;background:var(--ink);color:#fff;padding:12px 12px;border-radius:var(--r-4);box-shadow:var(--e3);font-size:.929rem;line-height:1.4}
.toast .ti{margin:1px;flex:none}.toast.success .ti{color:var(--lime)}.toast.error .ti{color:#ff8787}.toast.warning .ti{color:#e0b43a}
.toast .tt{flex:1;min-width:0;overflow-wrap:anywhere}
.toast .tlink{color:var(--lime);text-decoration:underline;text-underline-offset:2px;font-weight:600;white-space:nowrap}
.toast .tdet{display:block;margin:8px;font:.786rem var(--mono);opacity:.85;user-select:text}
.toast .tx{color:#fff;opacity:.7;flex:none}.toast .tx:hover{background:rgba(255,255,255,.12);opacity:1}
.toast :focus-visible{outline-color:var(--lime)}
dialog form{display:contents}
dialog .dh{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:12px}
dialog .dh h2{margin:0;font-size:1.286rem;font-weight:650;line-height:1.25}
dialog .merr{color:var(--danger);font-size:.929rem;margin:4px}
dialog .merr[hidden]{display:none}
dialog [aria-invalid=true]{border-color:var(--danger);box-shadow:0 0 0 1px var(--danger)}
dialog{border-radius:var(--r-5);box-shadow:var(--e3);padding:var(--sp-6)}
.menu{box-shadow:var(--e2);border-radius:var(--r-4);max-height:calc(100vh - 16px);overflow:auto}
.menu button{display:flex;align-items:center;gap:12px;min-height:32px}
.menu .mt{flex:1}.menu kbd{margin:auto}
.menu button[aria-checked=true]::after{content:"✓";margin:auto}

/* ================= sign-in + onboarding (audit P0-11, P0-13) ================= */
.btn.hero{height:44px;padding:0 24px;font-size:1.071rem}
#login h1,#onboard h1{font-size:1.714rem;font-weight:700;line-height:1.25;letter-spacing:-.02em}
#login .row2{display:flex;gap:8px;justify-content:center}
.notice{display:block;text-align:left;padding:12px 16px;border-radius:var(--r-3);border:1px solid var(--line-strong);background:var(--surface);color:var(--text);font-size:.929rem;line-height:1.45;width:100%}
.notice.err{border-left:3px solid var(--danger)}
.notice[hidden]{display:none}
.notice details{margin:8px;color:var(--muted)}
.notice code{display:block;margin:4px;font:.786rem var(--mono);user-select:text;overflow-wrap:anywhere;color:var(--muted)}
#onboard input{height:44px;border-radius:var(--r-3);border:1px solid var(--line-strong);background:var(--surface);color:var(--text);padding:0 12px;font:600 1rem var(--mono);letter-spacing:.06em;width:100%}
#onboard input:focus{outline:2px solid var(--focus);outline-offset:1px}
#onboard .btn{height:44px;justify-content:center;font-size:1rem;width:100%}
#onboard .keybox{font:600 1.071rem var(--mono);letter-spacing:.08em;padding:16px 16px;background:var(--surface-2);border:1px dashed var(--line-strong);border-radius:var(--r-3);user-select:all;word-break:break-word;text-align:left;line-height:1.6;width:100%}
#onboard .or{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.857rem}
#onboard .or::before,#onboard .or::after{content:"";flex:1;height:1px;background:var(--line)}
#onboard .link{color:var(--text);text-decoration:underline;text-underline-offset:2px;font-size:.929rem;justify-self:center}
#onboard .help{color:var(--muted);font-size:.857rem;margin:-4px;text-align:center}
#onboard label.fl{font-size:.857rem;font-weight:600;color:var(--muted);text-align:left;width:100%}
#onboard .rowbtn{display:flex;gap:8px;width:100%}
#onboard input[type=checkbox]{width:auto;height:auto;letter-spacing:normal}
dialog.qs{margin:12vh auto 0;width:min(520px,92vw);padding:0;border:1px solid var(--line);border-radius:var(--r-4);background:var(--surface);color:var(--text);box-shadow:var(--e3)}
dialog.qs::backdrop{background:rgba(0,0,0,.45)}
dialog.qs input{width:100%;padding:16px 16px;border:0;border-bottom:1px solid var(--line);background:transparent;color:inherit;font:inherit;font-size:1.07rem;outline:none}
dialog.qs [role=option]{display:flex;justify-content:space-between;gap:8px;padding:8px 16px;cursor:pointer}
dialog.qs [role=option][aria-selected=true]{background:var(--surface-2);box-shadow:inset 3px 0 0 var(--accent)}
/* unread divider, jump-to-latest, attachment tray, send state */
.unread-div{display:flex;align-items:center;gap:12px;margin:12px 0;color:var(--danger);font-size:.857rem;font-weight:600}
.unread-div::before,.unread-div::after{content:"";flex:1;height:1px;background:currentColor;opacity:.5}
#jump-latest{position:absolute;left:50%;transform:translateX(-50%);bottom:84px;z-index:3;padding:8px 16px;border-radius:var(--r);border:1px solid var(--line);background:var(--surface);color:var(--text);box-shadow:var(--e2,0 4px 14px rgba(0,0,0,.25));font:inherit;font-size:.857rem;font-weight:600;cursor:pointer}
#jump-latest:hover{background:var(--surface-2)}
.tray{display:flex;flex-wrap:wrap;gap:8px;margin:0 24px 8px}
.tray-i{display:inline-flex;align-items:center;gap:8px;max-width:260px}
.tray-i .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tray-i small{color:var(--muted)}
.send:disabled{opacity:.4;cursor:default}
.send[aria-busy=true]{opacity:.6}
/* shell polish: splash, boot failure, banners, account footer, sub-space bar */
#splash,#bootfail{position:fixed;inset:0;z-index:300;display:grid;place-content:center;justify-items:center;gap:16px;background:var(--bg);color:var(--muted)}
#splash img{width:72px;height:72px;border-radius:var(--r)}
#bootfail .box{display:grid;gap:12px;justify-items:center;max-width:420px;text-align:center;color:var(--text)}
#bootfail img{width:72px}
#banner{display:block;padding:0}
#banner .bn{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--accent) 12%,var(--surface))}
#banner .bn.warning{background:color-mix(in srgb,var(--warn,#c98a00) 16%,var(--surface))}
#banner .bn.error{background:color-mix(in srgb,var(--danger) 14%,var(--surface))}
#banner .bn p{flex:1}#banner .bb{display:flex;gap:8px;align-items:center}
#tree .foot .me{display:flex;align-items:center;gap:8px;flex:1;min-width:0;padding:4px 8px;border-radius:var(--r);text-align:left}
#tree .foot .me:hover{background:var(--surface-2)}
#tree .foot .me .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#app[data-subbar=off] #subbar{display:none}
[data-layout=hybrid] #app[data-subbar=off]{grid-template-rows:52px 0 1fr 24px}
#banner[hidden]{display:none}
.room.muted-room .n{color:var(--muted)}
.room .muteico{color:var(--muted);display:inline-flex}
.dot.mutedot{background:var(--muted)}
.room.invite .n small{display:block;color:var(--muted);font-size:.786rem}
.conn.bad{color:var(--danger)}
/* messages: states, bots, long text, day labels */
.m .sending{color:var(--muted);font-size:.786rem}
.m .err{color:var(--danger);font-size:.857rem}
.m .link,.link.morebtn{background:none;border:0;padding:0;color:var(--text);text-decoration:underline;cursor:pointer;font:inherit}
.m .hint{font-size:.857rem}
.txt.clamp{max-height:14em;overflow:hidden;-webkit-mask-image:linear-gradient(#000 70%,transparent);mask-image:linear-gradient(#000 70%,transparent)}
.tag.bot{margin:8px;padding:0 4px;border:1px solid var(--line-strong,var(--line));border-radius:4px;font-size:.786rem;font-weight:700;color:var(--muted);letter-spacing:.04em;vertical-align:middle}
.tl .m.k-notice .txt{color:var(--muted)}
.day{position:sticky;top:0;z-index:2;background:var(--surface)}
.m .hover-time{display:none}
.m.cont:hover .hover-time{display:block;position:absolute;left:8px;top:4px;font-size:.786rem;color:var(--muted)}
.tl.cmp .m.cont:hover .hover-time{left:8px}
/* side panel: info header, action list */
.infohead{display:grid;justify-items:center;gap:8px;text-align:center;padding:16px 12px}
.infohead h2{margin:4px 0 0;font-size:1.143rem}.infohead p{color:var(--muted);max-width:30ch}
.alist{display:grid}.arow{text-align:left;padding:12px 12px;border-radius:var(--r);background:none;border:0;color:var(--text);cursor:pointer}
.arow:hover{background:var(--surface-2)}.arow.danger{color:var(--danger)}
#set-saved{margin:12px;font-size:.857rem;font-weight:500;color:var(--ok)}
#set-nav .field{margin:0 8px 8px}
html[data-density=compact] .m{padding:1px;padding:1px}
html[data-density=compact] .tl{gap:0}
html[data-density=compact] #treebody .room{padding:4px;padding:4px}
html[data-density=spacious] .m{padding:8px;padding:8px}
html[data-density=spacious] #treebody .room{padding:8px;padding:8px}

.emoji .emq{width:100%;margin:2px 0 8px}
.emoji .emgrid{display:grid;grid-template-columns:repeat(8,34px);gap:2px;max-height:240px;overflow:auto}
.emoji .emlbl{grid-column:1/-1;font-size:.786rem;color:var(--muted);padding:2px 4px}
.emoji button:focus-visible{outline-offset:-2px}
#tree{position:relative}
#tree-resizer{position:absolute;top:0;right:-3px;bottom:0;width:6px;cursor:col-resize;z-index:4}
#tree-resizer:hover,#tree-resizer:focus-visible,#tree-resizer:active{background:color-mix(in srgb,var(--accent) 45%,transparent)}
#app[data-tree=off] #tree-resizer{display:none}
/* history, drop zone, composer extras, slash popup, thread composer */
.tl-skel{display:grid;gap:12px;padding:12px 0}
.tl-skel i{display:block;height:34px;border-radius:var(--r);background:linear-gradient(90deg,var(--surface-2),color-mix(in srgb,var(--surface-2) 60%,var(--surface)),var(--surface-2));background-size:200% 100%;animation:skel 1.4s linear infinite}
html[data-motion=reduce] .tl-skel i{animation:none}
@keyframes skel{to{background-position:-200% 0}}
.tl-start{align-self:center;color:var(--muted);padding:12px 0;font-size:.857rem}
#dropzone{position:absolute;inset:0;z-index:20;display:grid;place-items:center;background:color-mix(in srgb,var(--surface) 80%,transparent);border:2px dashed var(--accent);border-radius:var(--r);pointer-events:none}
#dropzone div{font-size:1.143rem;font-weight:600}
.cmpz.editing{outline:2px solid var(--accent);outline-offset:-2px}
.mpop button b{margin:8px}
.cmdlist{display:grid;grid-template-columns:max-content 1fr;gap:8px 16px;max-height:50vh;overflow:auto}
.cmdlist div{display:contents}.cmdlist code{color:var(--text)}
.thread .cmpz textarea{flex:1;min-height:32px;resize:none;border:0;background:transparent;color:inherit;font:inherit;outline:none;padding:8px 0}
.seg{display:flex;border:1px solid var(--line-strong,var(--line));border-radius:var(--r);overflow:hidden}
.seg button{flex:1;padding:8px 4px;background:none;border:0;color:var(--text);cursor:pointer;font:inherit;font-size:.857rem}
.seg button+button{border-left:1px solid var(--line-strong,var(--line))}
.seg button[aria-checked=true]{background:var(--accent);color:var(--on-accent);font-weight:650}
#spacetabs{overflow:hidden;white-space:nowrap}.moretab{padding:8px 12px;border-radius:var(--r);color:var(--muted)}
.tip{border:1px solid var(--line-strong,var(--line));position:fixed;z-index:400;max-width:260px;padding:4px 8px;border-radius:var(--r);background:var(--ink);color:var(--on-ink,#f4f6ea);font-size:.786rem;line-height:1.3;pointer-events:none;box-shadow:var(--e2,0 4px 14px rgba(0,0,0,.3))}
.rx button{min-height:24px;min-width:24px}
.rx .rx-add{color:var(--muted);border-style:dashed}
.arow2{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px}
#callview[data-mode=pip] .chead{cursor:grab}
.draftico{color:var(--muted);font-size:.857rem}
.caps{padding:16px;margin:8px 0}
.av,.av img{border-radius:4px !important}
.logo-btn{display:grid;place-items:center;padding:0;border:0;background:none;cursor:pointer;border-radius:4px}
.logo-btn:hover{background:var(--surface-2)}
#topbar .logo-btn .logo{width:32px;height:32px}
#tree .foot .me .n{font-weight:600}
/* sub-space bar: quiet text tabs, no boxes */
#subbar{gap:2px;padding:0 16px;background:transparent;border-bottom:1px solid var(--line);font-size:.857rem}
#subbar > .muted{margin:8px;font-size:.786rem;letter-spacing:.02em}
#subbar .chip,#subbar .chip.on{height:100%;padding:0 12px;border:0;border-radius:0;background:transparent;color:var(--muted);font-weight:500;position:relative}
#subbar .chip:hover:not(.on){background:transparent;color:var(--text)}
#subbar .chip.on{color:var(--text);font-weight:650}
#subbar .chip.on::after{content:"";position:absolute;left:8px;right:8px;bottom:-1px;height:2px;background:var(--accent)}


/* video room: call docked on top of the chat */
#chat{display:flex;flex-direction:column}
#chat>.hd{order:-5}#banner{order:-4}#roombanners{order:-3}
#callview[data-mode=dock]{position:relative;inset:auto;order:-2;flex:none;height:48%;min-height:260px;max-height:70%;border:0;border-bottom:1px solid var(--line);border-radius:0;z-index:2}
.callwho{display:inline-flex;align-items:center;gap:8px;margin:4px}
.callwho .av{margin:-6px;box-shadow:0 0 0 2px var(--surface)}.callwho .av:first-child{margin:0}
.callwho span:last-child{color:var(--muted);font-size:.857rem}
.rbanner .callwho{flex:1}
/* status bar: quiet, not a coloured strip */
#status{background:var(--surface);color:var(--muted);border-top:1px solid var(--line);font-weight:500}
#status .conn{color:var(--text)}
#status .conn.bad{color:var(--danger)}
#status :focus-visible{outline-color:var(--focus)}
.hd h1{min-width:0;white-space:nowrap;flex:0 1 auto}
.hd h1 .crumbs{color:var(--muted);font-weight:500;font-size:.857rem;overflow:hidden;text-overflow:ellipsis;max-width:55%;flex:0 1 auto}
.hd h1 .rname{overflow:hidden;text-overflow:ellipsis;min-width:0}
[data-mx-spoiler]{filter:blur(6px);cursor:pointer;border-radius:var(--r);background:var(--surface-3);transition:filter .15s}
[data-mx-spoiler].on{filter:none;background:transparent}
.fx{position:fixed;inset:0;z-index:500;pointer-events:none;overflow:hidden}
.fx span{position:absolute;top:-8vh;animation:fxfall linear forwards}
@keyframes fxfall{to{transform:translateY(112vh) rotate(360deg);opacity:.9}}
html[data-motion=reduce] .fx{display:none}
.shome{max-width:760px;margin:0 auto;padding:24px 24px;display:grid;gap:16px}
.shome header{display:flex;gap:16px;align-items:center}.shome h2{margin:0;font-size:1.429rem}
.shome h3{margin:12px 0 0;font-size:.857rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.shome-actions{display:flex;flex-wrap:wrap;gap:8px}
#customview{overflow:auto}
.ib.up svg{transform:rotate(180deg)}
/* invitations: name on its own line, small buttons below */
.room.invite{flex-wrap:wrap;gap:8px 8px;align-items:center;height:auto;padding:8px}
.room.invite .n{flex:1 1 100%;white-space:normal}
.room.invite .btn.sm{flex:1 1 auto}
html #tree .room.invite{height:auto !important;min-height:0;padding:8px 12px;flex-wrap:wrap}
html #tree .room.invite .btn.sm{height:28px}
.lbl .link{margin:auto;font-size:.786rem;text-transform:none;letter-spacing:0}
.lbl{display:flex;align-items:center}

/* audit round 2 */
dialog:modal{margin:auto}
:root{accent-color:var(--accent)}
#callview[data-mode=dock]{height:clamp(180px,40%,60%);min-height:0}
#callview[data-collapsed=true]{height:auto !important}
#callview[data-collapsed=true] .cbody{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;overflow:hidden}
#side .infohead h2{font-size:1.143rem;text-transform:none;color:var(--text);letter-spacing:0;margin:4px 0 0}
.tl.bub .me .b a,.tl.bub .me .b .link,.tl.bub .me .b .edited{color:var(--on-accent)}
.m:focus-visible{outline:2px solid var(--focus);outline-offset:-2px}
.m:focus .mtools,.m:focus-within .mtools{display:flex}
/* dark sidebar layout: buttons and quiet text readable on the dark tree */
[data-layout=slack] #tree .btn{background:transparent;color:#eef0e4;border-color:rgba(255,255,255,.35)}
[data-layout=slack] #tree .btn.pri{background:var(--lime);color:var(--ink);border-color:transparent}
[data-layout=slack] #tree .room.invite small,[data-layout=slack] #tree .muted-room .n{color:#a3a78f}

.recstrip{display:flex;align-items:center;gap:12px;margin:0 24px 8px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface-2)}
.recdot{width:9px;height:9px;border-radius:50%;background:var(--danger);animation:recblink 1s steps(2) infinite}
@keyframes recblink{50%{opacity:.25}}
html[data-motion=reduce] .recdot{animation:none}

.treefilter{margin:0 8px 8px;height:30px}
#app-menu-tree{display:none}
[data-layout=compact] #app-menu-tree{display:inline-grid}
.mt{flex:1}
dialog.qs .qn small{display:block;color:var(--muted);font-size:.786rem}

.unread-div{color:var(--text)}
.unread-div::before,.unread-div::after{background:var(--accent);opacity:.6}
.unread-div span{padding:0 4px;background:var(--accent);color:var(--on-accent);border-radius:var(--r);font-size:.786rem}
.day{display:block;width:100%;text-align:center;border:0;border-radius:0;background:var(--surface);padding:4px 0}
#toasts{inset:auto 16px 16px auto;align-items:flex-end}
.homeav{background:var(--surface-2) !important;color:var(--text) !important}

.rp-h{margin:16px 0 8px;font-size:.857rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.rp-add{display:flex;gap:8px;margin:8px 0}.rp-add input[type=text],.rp-add #rp-id{flex:1}
#rp-perms .srow{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}

.m.sys{display:flex;align-items:center;gap:8px;padding:2px 8px;color:var(--muted);font-size:.857rem}
.m.sys time{font-size:.786rem;opacity:.8}
.rr{display:flex;justify-content:flex-end;gap:2px;margin:2px}.rr .av{width:16px;height:16px;font-size:.786rem}.rrn{font-size:.786rem;color:var(--muted);margin:2px}

.lp{display:flex;gap:12px;margin:8px;max-width:460px;padding:8px;border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:var(--r);background:var(--surface-2);color:var(--text);text-decoration:none}
.lp-img{width:72px;height:72px;object-fit:cover;border-radius:var(--r);flex:none}
.lp-t{display:grid;gap:2px;min-width:0}.lp-t small{color:var(--muted)}.lp-t b{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lp-t span{color:var(--muted);font-size:.857rem;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}

/* Space home: full width, a grid of compact cards instead of one long column */
.shome{max-width:none;margin:0;padding:16px 24px 32px}
.shome header{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.shome .shh{flex:1;min-width:220px}
.shome .shome-actions{margin:auto}
.shome h3 .cnt{margin:8px;padding:0 8px;border-radius:var(--r);background:var(--surface-2);color:var(--muted);font-size:.786rem}
.sgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:8px;margin:8px}
.sgrid .person.card{border:1px solid var(--line);border-radius:var(--r);padding:8px 12px;background:var(--surface);min-height:52px}
.sgrid .person.card:hover{background:var(--surface-2)}
.sgrid .person .t small{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.shome details.shu>summary{list-style:none;cursor:pointer}.shome details.shu>summary::-webkit-details-marker{display:none}
.shome details.shu>summary h3::before{content:"▸ ";color:var(--muted)}.shome details.shu[open]>summary h3::before{content:"▾ "}
.shq{max-width:420px}
/* Info panel: equal-width segments that never wrap */
.seg button{white-space:nowrap;padding:8px 2px;font-size:.786rem}
.seg-note{margin:8px;color:var(--muted);font-size:.786rem}

.room.unj{height:28px}.room.unj .link{margin:auto;font-size:.786rem}
.unj-box>summary .badge{display:inline-grid !important}

.tag.role{margin:8px;padding:0 4px;border:1px solid var(--line-strong,var(--line));border-radius:var(--r);font-size:.786rem;font-weight:700;color:var(--muted);vertical-align:middle}
.m .edited{color:var(--muted);font-size:.786rem}

.fmtbar{display:flex;gap:2px;margin:0 24px 4px}.fmtbar .ib{width:30px;height:28px;font-size:.857rem;font-weight:700}
.fmtbtn{font-size:.857rem;font-weight:700;letter-spacing:-.02em}.fmtbtn[aria-pressed=true]{background:var(--surface-3)}

.skeys{display:flex;align-items:center;gap:8px}

/* settings window: tabs on the left, one panel on the right */
.rsw{display:grid;grid-template-columns:190px 1fr;gap:16px;min-height:380px;max-height:68vh}
.rsw-nav{display:flex;flex-direction:column;gap:2px;border-right:1px solid var(--line);padding:12px}
.rsw-nav button{text-align:left;padding:8px 12px;border-radius:var(--r);background:none;border:0;color:var(--muted);cursor:pointer;font:inherit;font-weight:500}
.rsw-nav button:hover{background:var(--surface-2);color:var(--text)}
.rsw-nav button[aria-selected=true]{background:var(--surface-2);color:var(--text);font-weight:650;box-shadow:inset 3px 0 0 var(--accent)}
.rsw-panel{overflow:auto;padding:8px;min-width:0}
.rsw-h{margin:0 0 12px;font-size:1.071rem}
.rsw-actions{display:flex;align-items:center;gap:12px;margin:16px}.rsw-actions .btn.pri{margin:auto}
.rsw-pic{display:flex;align-items:center;gap:12px}
@media (max-width:760px){.rsw{grid-template-columns:1fr}.rsw-nav{flex-direction:row;overflow:auto;border-right:0;border-bottom:1px solid var(--line);padding:0 0 8px}}
.rsw{height:clamp(240px,calc(100vh - 210px),560px);min-height:0;max-height:none}
dialog:has(.rsw){max-height:calc(100vh - 24px)}
.rsw-panel .person select,.rsw-panel .srow select{width:180px;flex:none}
.rsw-panel .person .t{flex:1;min-width:0}
.rsw-panel .row select,.rsw-panel .row input:not([type=checkbox]){width:100%}

#nopost{margin:8px 24px}

/* ---- Design audit round (docs/DESIGN-RESEARCH.md): one scale, one bar height, calmer clutter ---- */
:root{--bar-h:48px;--fs-xs:11px;--fs-sm:12px;--fs-md:13px;--fs-base:14px;--fs-lg:16px;--fs-xl:20px}
/* D01 read receipts: small, under the text */
.tl .rr .av{width:16px!important;height:16px!important;font-size:9px!important;margin:0}
.rr{justify-content:flex-start;max-width:72ch;margin-top:4px}
/* D02 one logo in the dark sidebar layout */
[data-layout=slack] #topbar .logo-btn,[data-layout=slack] #topbar .logo{display:none}
/* D03/D05 filter fields: one box, not two */
.sbody .field input{height:auto;border:0;background:none;padding:0;box-shadow:none}
.emoji .emf{margin:2px 0 6px}.emoji .emf input{width:100%}
.fmtbar .ib{font-weight:400}
/* D06 one bar height; the dividers line up */
#tree .th{min-height:var(--bar-h);border-bottom:1px solid var(--line)}
#chat .hd{min-height:var(--bar-h);height:var(--bar-h)}
.stabs{min-height:var(--bar-h);padding-top:0;align-items:stretch}
[data-layout=compact]{--bar-h:40px}
/* D07 readable measure in the dense log */
.tl.cmp .m .txt,.tl.cmp .m .quote,.tl.cmp .m .lp,.tl.cmp .m .poll{max-width:80ch}
/* D08 less chrome at the minimum window */
.typing{position:absolute;margin:0;transform:translateY(-100%);padding-left:28px;pointer-events:none}
#composer-wrap{position:relative}
.cmpz{margin-bottom:12px}
/* D09 nothing under 11px; names are not smaller than the message */
.tag,.tag.role{font-size:11px;font-weight:600;letter-spacing:.02em}
.badge{font-size:11px;min-width:18px;height:18px}
.hover-time{font-size:11px}
.tl.cmp .h b{font-size:1em;font-weight:650}
/* D10 slash/mention popup sits on the composer, wide enough for command names */
.mpop{width:min(440px,calc(100% - 48px));bottom:calc(100% + 6px)}
.mpop button{display:grid;grid-template-columns:max-content 1fr;gap:12px}
.mpop small{margin-left:0;text-align:left;white-space:nowrap}
/* D11 floating layers off the working controls */
#toasts{inset:calc(var(--bar-h) + 16px) 16px auto auto;align-items:flex-end}
#jump-latest{left:auto;right:32px;transform:none;bottom:96px;padding:4px 12px}
/* D12 one banner family, neutral tint plus a severity bar (never colour alone) */
#roombanners .rbanner,#banner .bn,.banner{min-height:40px;padding:6px 16px;background:color-mix(in srgb,var(--accent) 12%,var(--surface))}
#roombanners .rbanner{box-shadow:inset 3px 0 var(--ok)}
#banner .bn.warning{box-shadow:inset 3px 0 var(--warn,#c98a00)}#banner .bn.error{box-shadow:inset 3px 0 var(--danger)}
/* D13 contrast: pending and failed text */
.tl.bub .me .err,.tl.bub .me.failed .txt{color:#ff8787}
.tl .m.pending{opacity:1}.tl .m.pending .txt{color:var(--muted)}
/* D17 dialog checkboxes are not 36px tall inputs */
dialog input[type=checkbox],.modal input[type=checkbox]{height:auto}
/* D20 sticky day band does not leak */
.day{top:-8px;padding-top:12px}
/* D23 flat: no drop-shadow on the logo */
.logo{filter:none!important}

/* ---- Design audit, second pass: one control height, one inset, one type scale ---- */
:root{--row-h:32px;--inset:16px}
/* D18 controls: 32 (small 24, hero 44) */
dialog input,dialog select,.sbody select,.sbody input:not([type=checkbox]),.mbody input:not([type=checkbox]),.mbody select,.scard select,.scard input:not([type=checkbox]):not([type=range]){height:32px}
.sbody .field input{height:auto}
.btn.sm{height:24px}
dialog input[type=checkbox],.modal input[type=checkbox],.mbody input[type=checkbox]{height:auto}
/* D14 tree header: title takes the room, icons sit together; one 16px left edge */
#tree .th{padding:0 8px 0 var(--inset);justify-content:flex-start;gap:2px}
#tree .th>:first-child{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
[data-layout=hybrid] #tree .th,[data-layout=compact] #tree .th{padding:0 8px 0 var(--inset)}
.tr>summary{font-size:inherit;min-height:var(--row-h)}
/* D27 side panel: one inset */
.sbody{padding-left:var(--inset);padding-right:var(--inset)}.sbody .pad{padding-left:0;padding-right:0}
/* D15 settings: card titles outrank row labels; buttons are not input-wide */
.scard h3{font-size:16px;font-weight:650}
.scard .srow b,.scard .row label{font-size:14px;font-weight:500}
.scard>.btn{justify-self:start}
/* D26 layout previews: 1px frames, 2px only for the chosen one */
.lcard{border-width:1px}.lcard[aria-checked=true]{border-width:2px;padding:9px}
/* D16 room settings: selects line up with the permission rows */
.rsw-panel .person{padding-inline:0}
.rsw-panel .plist{max-height:none}
/* D17 dialogs: group spacing, readable segmented control */
dialog .row+.row,dialog label+label,dialog p+.row,dialog .row+p{margin-top:16px}
.seg button{font-size:13px;min-height:32px;padding:0 8px}
/* D21 system notes start in the text column; new-message divider calmer */
.m.sys{padding-left:calc(28px + 10px + 8px)}
.unread-div::before,.unread-div::after{background:var(--line-strong);opacity:1}
/* D29 rail: Home is a tile like the spaces; badges sit on a fixed corner */
#rail .sp{position:relative}
#rail .sp .badge,#rail .sp .sbadge{position:absolute;top:-2px;right:-2px}
#rail .sp .homeav{width:40px;height:40px;border-radius:var(--r)}
/* D30 menus: 30px rows so a long message menu fits the minimum window */
.menu button{padding:5px 12px;min-height:30px}
/* D28/D32 space home chevron, switcher slot, status dot, flat switch */
.shu>summary{list-style:none}.shu>summary::-webkit-details-marker{display:none}
dialog.qs [role=option]{align-items:center;justify-content:flex-start;gap:10px}
dialog.qs .qn{flex:1;min-width:0}dialog.qs .qi{display:inline-grid;place-items:center;width:20px;color:var(--muted)}
#status .conn .dot{display:inline-block;margin-right:6px;background:var(--ok)}
#status .conn.bad .dot{background:var(--danger)}
.sw span,.sw span::after{border-radius:var(--r-sm)}
/* D23 flat Modern layout; one set of shadows */
[data-layout=modern]{background-image:none}
[data-layout=modern] #rail,[data-layout=modern] #tree,[data-layout=modern] #chat,[data-layout=modern] #side{box-shadow:none}
[data-layout=slack] #side{box-shadow:var(--e2)}
#side{box-shadow:var(--e2)}
/* sign-in and onboarding: one logo size, no shadow */
#login img,#onboard img{width:96px;filter:none}
/* D13 dark sidebar in dark theme: the sidebar is the darkest surface, the active row is a quiet tint with a lime edge */
[data-theme=dark][data-layout=slack] #tree{background:#0b0c08}
[data-theme=dark][data-layout=slack] #rail{background:#070805}
[data-theme=dark][data-layout=slack] #tree .room.active{background:var(--accent-soft);color:#fff;box-shadow:inset 3px 0 var(--accent)}

/* ---- person pane ---- */
.uinfo{position:relative;padding:16px}.uclose{position:absolute;top:8px;right:8px}
.uhead{display:grid;justify-items:center;gap:8px;padding:16px 0 24px;text-align:center}
.uhead h2{font-size:18px;font-weight:650;overflow-wrap:anywhere}
.uid{display:flex;align-items:center;gap:4px;color:var(--muted);font-size:12px;overflow-wrap:anywhere}
.uinfo .alist{border-top:1px solid var(--line);padding:8px 0}
.uinfo .arow{display:flex;align-items:center;gap:12px}
.m .h b,.m>.av{cursor:pointer}
.uhead h2{text-transform:none;letter-spacing:0;color:var(--text)}

/* ---- captions and transcript ---- */
#captions .cap .orig{display:block;margin-top:2px;font-size:12px;opacity:.7}
#captions .cap.err{background:var(--danger);color:#fff}
.trn{display:flex;flex-direction:column;height:100%;min-height:0}
.trn-bar{display:grid;grid-template-columns:1fr auto;gap:8px;padding:12px var(--inset) 8px}
.trn-log{flex:1;min-height:0;overflow:auto;padding:0 var(--inset) 16px}
.trl{display:grid;grid-template-columns:44px auto 1fr;gap:8px;padding:4px 0;align-items:baseline;font-size:13px}
.trl time{color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}
.trl b{font-weight:650;white-space:nowrap}
.trl .orig{display:block;color:var(--muted);font-size:12px}
.tcard{white-space:pre-wrap;max-height:50vh;overflow:auto;font:inherit;font-size:13px;line-height:1.5;background:var(--surface-2);padding:12px;border-radius:var(--r)}

/* details panel: resizable like the room list (drag its left edge, arrows, double-click to reset) */
#side{position:relative}
#side-resizer{position:absolute;top:0;left:-3px;bottom:0;width:6px;cursor:col-resize;z-index:5}
#side-resizer:hover,#side-resizer:focus-visible,#side-resizer:active{background:color-mix(in srgb,var(--accent) 45%,transparent)}
#app[data-side=off] #side-resizer{display:none}
#side{overflow:visible}

/* the small call window sits above the composer, not over its send button */
#callview[data-mode=pip]{bottom:96px}

/* live transcript card above the composer (same look as the /transcript card) */
#tlive{flex:none;margin:0 24px 8px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);display:flex;flex-direction:column}
#tlive[hidden]{display:none}
#tlive header,#tlive footer{display:flex;align-items:center;gap:8px;padding:4px 8px 4px 12px}
#tlive header b{font-size:13px;font-weight:650}
#tlive .tcard{margin:0 8px;max-height:min(24vh,220px);min-height:48px}
#tlive footer{padding:8px 8px 8px 12px;font-size:12px}
#tlive[data-collapsed=true] .tcard,#tlive[data-collapsed=true] footer{display:none}

/* ---- subtitles: one calm block per phrase, translation large, original quiet underneath ---- */
#captions{position:absolute;left:50%;transform:translateX(-50%);bottom:84px;width:min(780px,calc(100% - 32px));display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none;z-index:3}
#captions.on-call{bottom:96px;z-index:6}
#captions:not(.on-call){position:static;transform:none;width:auto;margin:0 24px 8px;align-items:stretch}
#captions:empty{display:none}
#captions .cap{display:grid;gap:2px;max-width:100%;width:fit-content;padding:8px 16px 10px;border-radius:var(--r);background:rgba(16,18,12,.88);color:#f4f6ea;text-align:left;font-size:inherit;line-height:1.35}
#captions .cap.fresh{animation:capin .18s ease-out}
#captions:not(.on-call) .cap{width:auto;background:var(--surface-2);color:var(--text);border:1px solid var(--line)}
#captions .cap small{margin:0;font-size:12px;font-weight:650;letter-spacing:.02em;color:var(--accent-on-dark,#c5f03c);opacity:1}
#captions:not(.on-call) .cap small{color:var(--muted)}
#captions .cap .t{font-size:clamp(16px,1.5vw,22px);font-weight:500;overflow-wrap:anywhere}
#captions:not(.on-call) .cap .t{font-size:15px}
#captions .cap .orig{display:flex;gap:8px;align-items:baseline;margin:2px 0 0;font-size:12.5px;line-height:1.4;opacity:.7;overflow-wrap:anywhere}
#captions .cap .orig i{font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:.06em;padding:0 4px;border:1px solid currentColor;border-radius:var(--r-sm);opacity:.8;flex:none}
#captions .cap.interim .t{opacity:.72}
#captions .cap.err{background:var(--danger);color:#fff}
#callview[data-mode=pip] #captions.on-call{bottom:44px}
#callview[data-mode=pip] #captions .cap .t{font-size:13px}
#callview[data-mode=pip] #captions .cap{padding:4px 10px 6px}
@keyframes capin{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){#captions .cap.fresh{animation:none}}

/* subtitles, one panel: every phrase the same width, left aligned, hairlines between them */
#captions{width:min(720px,calc(100% - 32px));gap:0;align-items:stretch;padding:4px 0;border-radius:var(--r);background:rgba(16,18,12,.9);color:#f4f6ea}
#captions:not(.on-call){width:auto;background:var(--surface-2);color:var(--text);border:1px solid var(--line);margin:0 24px 8px}
#captions .cap,#captions:not(.on-call) .cap{width:100%;background:none;border:0;border-radius:0;padding:6px 16px 8px;color:inherit}
#captions .cap+.cap{border-top:1px solid rgba(255,255,255,.12)}
#captions:not(.on-call) .cap+.cap{border-top-color:var(--line)}
#captions .cap.err{background:var(--danger);color:#fff;border-radius:var(--r)}
#captions.on-call{max-height:calc(100% - 104px);overflow:hidden;justify-content:flex-end}



/* captions: two clearly separate groups in the details pane (In the call / In the chat) */
.cfg{gap:0;padding:8px 12px}
.cfg .srow{padding:8px 0;border-top:1px solid var(--line)}
.cfg .srow:first-of-type{border-top:0}
.cfg .srow b{font-size:13px;font-weight:600}.cfg .srow p{font-size:12px;color:var(--muted);margin:2px 0 0}
.cfg-note{font-size:12px;padding:4px 0 8px;margin:0}
.cfg-sel{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;padding:8px 0;border-top:1px solid var(--line)}
.cfg-sel label{font-size:13px}
.cfg-btns,.cfg>.btn{padding-top:8px}
.tag.on{background:var(--accent);color:var(--on-accent)}

.cfg-seg{padding:8px 0;border-top:1px solid var(--line);display:grid;gap:8px}
.cfg-seg b{font-size:13px;font-weight:600}.cfg-seg p{font-size:12px;margin:0}
.cfg-sel[hidden]{display:none}

#captions .cap .t.wait{display:inline-flex;gap:4px;align-items:center;height:1.35em}
#captions .cap .t.wait i{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.35;animation:capdot 1s infinite ease-in-out}
#captions .cap .t.wait i:nth-child(2){animation-delay:.15s}#captions .cap .t.wait i:nth-child(3){animation-delay:.3s}
@keyframes capdot{0%,100%{opacity:.25}50%{opacity:.8}}
@media (prefers-reduced-motion:reduce){#captions .cap .t.wait i{animation:none}}

/* who a setting applies to */
.cfg-scope{display:flex;align-items:center;gap:8px;margin:0;padding:8px 0 4px;font-size:12px}
.cfg-scope .muted{font-size:12px}
.scope{flex:none;font-size:11px;font-weight:650;letter-spacing:.04em;text-transform:uppercase;padding:1px 6px;border-radius:var(--r-sm);border:1px solid var(--line-strong)}
.scope.room{background:var(--surface-2);color:var(--text)}
.scope.me{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}

/* active and hovered room rows are square (no rounded edges), in every layout */
html[data-layout] #tree .room,html[data-layout] #tree .room.active,html[data-layout] #tree .room:hover,html[data-layout] #tree .tr>summary,html[data-layout] #tree .tr>summary:hover{border-radius:0!important}

/* accent colour picker */
.acc-sw{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;max-width:240px}
.sw-c{width:24px;height:24px;border-radius:var(--r);border:1px solid var(--line-strong);background:var(--c,var(--surface-2));cursor:pointer;padding:0;position:relative}
.sw-c[aria-checked=true]{outline:2px solid var(--text);outline-offset:2px}
.sw-c.custom{background:conic-gradient(#e5484d,#f2d12e,#3fb27a,#e5609a,#e5484d);overflow:hidden}
.sw-c.custom.on{outline:2px solid var(--text);outline-offset:2px}
.sw-c.custom input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}

/* room list minimised: a narrow strip of icons and initials */
#app[data-mini="1"]:not([data-tree=off]){--tree-w:60px}
#app[data-mini="1"] #tree-resizer{display:none}
#app[data-mini="1"] #tree .th{justify-content:center;padding:0}
#app[data-mini="1"] #tree .th>:not(#minitoggle){display:none!important}
#app[data-mini="1"] #tree .treefilter{display:none}
#app[data-mini="1"] #tree .lbl,#app[data-mini="1"] #tree .tr>summary .n,#app[data-mini="1"] #tree .unj-box>summary span{display:none}
#app[data-mini="1"] #tree .room{justify-content:center;padding:0;gap:0}
#app[data-mini="1"] #tree .room .n,#app[data-mini="1"] #tree .room small,#app[data-mini="1"] #tree .room .muteico,#app[data-mini="1"] #tree .room .fav,#app[data-mini="1"] #tree .room .btn{display:none}
#app[data-mini="1"] #tree .room .badge,#app[data-mini="1"] #tree .room .dot{position:absolute;top:2px;right:6px;margin:0}
#app[data-mini="1"] #tree .room{position:relative}
#app[data-mini="1"] #tree .room.invite{padding:4px 0}
#app[data-mini="1"] #tree .foot .me .n{display:none}
#app[data-mini="1"] #tree .foot{justify-content:center;padding:8px 0}

/* ---------------------------------------------------------------- motion: smooth and calm
   One easing and three durations. Everything respects Reduce motion (data-motion=reduce switches transitions and animation off). */
:root{--dur-3:260ms;--ease-out:cubic-bezier(.16,1,.3,1);--ease-in-out:cubic-bezier(.65,0,.35,1)}

/* the details panel: the chat column glides while the panel slides; docked layouts keep a 0px third track instead of removing it, which is what makes the width animatable */
#app{transition:grid-template-columns var(--dur-3) var(--ease-out)}
#side{overflow:hidden!important;min-width:0}
#side-resizer{left:0!important;right:auto}
#sidetabs,#sidebody{min-width:250px}
#app[data-side=off] #side{display:flex!important;visibility:hidden;pointer-events:none;border-left-color:transparent;transition:visibility 0s linear var(--dur-3),border-color var(--dur-3)}
#app[data-side=on] #side,#app.side-open #side{visibility:visible;transition:border-color var(--dur-3)}
@media (min-width:1101px){
  html[data-layout=hybrid] #app[data-side=off]{grid-template-columns:var(--tree-w,240px) 1fr 0px}
  html[data-layout=classic] #app[data-side=off]{grid-template-columns:68px var(--tree-w,280px) 1fr 0px}
  html[data-layout=compact] #app[data-side=off]{grid-template-columns:var(--tree-w,232px) 1fr 0px}
}
/* overlay panels (Modern, Dark sidebar, narrow windows) slide and fade */
[data-layout=modern] #side,[data-layout=slack] #side{transition:transform var(--dur-3) var(--ease-out),visibility 0s linear var(--dur-3)!important}
[data-layout=modern] #app.side-open #side,[data-layout=slack] #app.side-open #side{transition:transform var(--dur-3) var(--ease-out)!important}
@media (max-width:1100px){#app #side{transition:transform var(--dur-3) var(--ease-out),visibility 0s linear var(--dur-3)}#app.side-open #side{transition:transform var(--dur-3) var(--ease-out)}}

/* the room list: minimise and expand glide (the width comes from --tree-w, animated by the grid above) */
#tree{overflow-x:hidden}
#tree .room,#tree .tr>summary{transition:background-color var(--dur-1) var(--ease),color var(--dur-1) var(--ease),box-shadow var(--dur-2) var(--ease)}

/* hover and press feedback everywhere, never abrupt */
.btn,.ib,.arow,.person,.menu button,.lcard,.sw-c,.seg button,.tab,[role=tab],.link,.tlink{transition:background-color var(--dur-1) var(--ease),color var(--dur-1) var(--ease),border-color var(--dur-1) var(--ease),box-shadow var(--dur-1) var(--ease),opacity var(--dur-1) var(--ease)}
.btn:active,.ib:active{transform:translateY(.5px)}

/* things that appear */
dialog[open]{animation:dlg-in var(--dur-2) var(--ease-out)}
dialog::backdrop{animation:fade-in var(--dur-2) var(--ease)}
.menu,.emoji,.mpop,.tip{animation:pop-in var(--dur-2) var(--ease-out);transform-origin:top left}
.toast{animation:toast-in var(--dur-3) var(--ease-out)}
#tlive:not([hidden]){animation:card-in var(--dur-3) var(--ease-out)}
.tl .m.enter{animation:msg-in var(--dur-3) var(--ease-out)}
#chat.switching .tl,#chat.switching .empty{animation:fade-in var(--dur-2) var(--ease)}
#sidebody.switching>*{animation:fade-up var(--dur-2) var(--ease-out)}
@keyframes fade-in{from{opacity:0}to{opacity:1}}
@keyframes fade-up{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@keyframes dlg-in{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}
@keyframes pop-in{from{opacity:0;transform:scale(.97) translateY(-2px)}to{opacity:1;transform:none}}
@keyframes toast-in{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}
@keyframes card-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes msg-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* ---- the small call window: a smaller header, one icon style, a resize grip ---- */
#callview[data-mode=pip]{width:380px;height:260px;border-radius:var(--r);box-shadow:var(--e2);min-width:300px;min-height:200px}
#callview[data-mode=pip] .chead{padding:2px 4px 2px 10px;gap:2px;min-height:32px}
#callview[data-mode=pip] #call-title{font-size:13px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
#callview[data-mode=pip] .chead .ib{width:24px;height:24px}
#callview[data-mode=pip] .chead .ib svg{width:14px;height:14px}
#callview[data-mode=pip] #call-end{height:22px;padding:0 8px;font-size:12px;margin-left:4px}
#callview .pip-grip{display:none}
#callview[data-mode=pip] .pip-grip{display:block;position:absolute;left:0;top:0;width:18px;height:18px;cursor:nwse-resize;z-index:8;touch-action:none}
#callview[data-mode=pip] .pip-grip::before{content:"";position:absolute;left:4px;top:4px;width:8px;height:8px;border-left:2px solid var(--muted);border-top:2px solid var(--muted);opacity:0;transition:opacity var(--dur-1) var(--ease)}
#callview[data-mode=pip]:hover .pip-grip::before,#callview[data-mode=pip] .pip-grip:focus-visible::before,#callview.resizing .pip-grip::before{opacity:.7}
#callview.resizing{transition:none;user-select:none}
#callview.resizing iframe{pointer-events:none}

/* room list: rooms on top, direct messages below, a thin movable separator between */
#tree #treedms{flex:0 1 auto;min-height:64px;max-height:34%;padding:4px 8px}
#tree[data-dmh] #treedms{flex:0 0 var(--dm-h);max-height:70%}
#tree-split{flex:none;height:9px;margin:0;position:relative;cursor:row-resize;touch-action:none;outline:none}
#tree-split::before{content:"";position:absolute;left:0;right:0;top:4px;height:1px;background:var(--line);transition:background-color var(--dur-1) var(--ease),height var(--dur-1) var(--ease),top var(--dur-1) var(--ease)}
#tree-split:hover::before,#tree-split:focus-visible::before,#tree-split.drag::before{top:3px;height:3px;background:var(--accent-soft,var(--line-strong))}
#tree-split:focus-visible::before,#tree-split.drag::before{background:var(--accent)}
#tree-split[hidden],#treedms[hidden]{display:none}
#app[data-mini="1"] #tree-split{display:none}
#app[data-mini="1"] #tree #treedms{flex:0 0 auto;max-height:40%;border-top:1px solid var(--line)}

/* hiding the call picture: header only, in the small window and docked; never in the full window */
#callview[data-mode=full] #call-collapse{display:none}
#callview[data-collapsed=true]{min-height:0!important}

::highlight(mx-find){background-color:var(--accent);color:var(--on-accent)}
.hcard{position:fixed;z-index:60;display:grid;grid-template-columns:auto 1fr;gap:4px 12px;align-items:center;width:min(300px,92vw);padding:12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--text);box-shadow:var(--e3)}
.hcard .t{display:grid;min-width:0}.hcard .t small{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hcard .a{grid-column:1/-1;display:flex;gap:8px;margin-top:6px}
/* Composer: one line is about 40px tall (it used to be 50px with empty space above and below), and grows with the text. Buttons keep 32px targets. */
.cmpz{padding:3px 6px}
.cmpz textarea{padding:6px 8px}
.person-hit{cursor:pointer;display:flex;align-items:center;gap:8px}.person-hit small{margin-left:auto;color:var(--muted);white-space:nowrap}
#undo-host{position:fixed;left:16px;bottom:16px;z-index:70;display:grid;gap:6px}
#undo-host .undo{display:flex;align-items:center;gap:16px;padding:8px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--text);box-shadow:var(--e3)}
#undo-host .undo .link{font-weight:600}
#back-pill{position:absolute;left:32px;right:auto;transform:none;bottom:96px;z-index:3;padding:4px 12px;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--text);box-shadow:var(--e2);cursor:pointer}
#back-pill:hover{background:var(--surface-2)}

/* fold headers for the two parts of the room list, and the unread-only switch */
.fold-h-wrap{flex:none;padding:0 8px}
.fold-h{display:flex;align-items:center;gap:6px;width:100%;padding:4px 8px;border:0;background:none;color:var(--muted);font:inherit;font-size:.786rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;text-align:left}
.fold-h:hover{color:var(--text);background:var(--surface-2)}
.fold-h .chev{display:inline-flex;transition:transform var(--dur-2) var(--ease-out)}
.fold-h[aria-expanded=true] .chev{transform:rotate(90deg)}
.fold-h .badge{margin-left:auto}
#tree[data-folded=rooms] #treedms{flex:1 1 auto;max-height:none}
#tree[data-folded=dms] #treebody{flex:1 1 auto}
#unreadonly[aria-pressed=true]{background:var(--accent);color:var(--on-accent)}
#app[data-mini="1"] .fold-h-wrap,#app[data-mini="1"] #unreadonly{display:none}

/* folded list: tiles instead of bare icons */
#tree .ini{display:none}
#app[data-mini="1"] #tree .room:not(.invite)>svg{display:none}
#app[data-mini="1"] #tree .room .ini{display:inline-flex}
#app[data-mini="1"] #tree .room{height:44px;margin:2px 0}
#app[data-mini="1"] #tree .room.active{background:var(--accent-soft,var(--surface-2));box-shadow:inset 3px 0 var(--accent)}
#app[data-mini="1"] #tree .room .badge{font-size:0;min-width:0;width:10px;height:10px;padding:0;border-radius:50%;top:4px;right:8px;border:2px solid var(--surface);box-sizing:content-box}
#app[data-mini="1"] #tree .room .badge[aria-label*=mention]{background:var(--danger);color:#fff;width:12px;height:12px}
#app[data-mini="1"] #tree .tr>summary{justify-content:center;padding:6px 0;position:relative;height:auto}
#app[data-mini="1"] #tree .tr>summary>svg{display:none}
#app[data-mini="1"] #tree .tr>.tc,#app[data-mini="1"] #tree .unj-box{display:none}
#app[data-mini="1"] #tree .tr{border-top:1px solid var(--line);margin-top:6px;padding-top:6px}
#app[data-mini="1"] #tree .tr>summary .badge{position:absolute;top:2px;right:8px;font-size:0;min-width:0;width:10px;height:10px;padding:0;border-radius:50%;border:2px solid var(--surface);box-sizing:content-box}
.mini-fly{position:fixed;z-index:60;min-width:220px;max-width:300px;max-height:70vh;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);background:var(--surface);color:var(--text);box-shadow:var(--e3)}
.mini-fly .mf-h{padding:10px 12px;font-weight:650;border-bottom:1px solid var(--line)}
.mini-fly .mf-b{overflow:auto;padding:4px 6px}
.mini-fly .ini{display:none}
#tree.has-fold #treebody>.lbl[data-lbl="Rooms"]{display:none}

.hdot{display:inline-block;width:8px;height:8px;margin-left:4px;border-radius:50%;background:var(--accent);vertical-align:middle}
#headbtns .ib{position:relative}#headbtns .hdot{position:absolute;top:4px;right:4px;margin:0;border:2px solid var(--surface);box-sizing:content-box}
.thr-search{padding:8px 12px}
.thr-item{display:grid;gap:2px;width:100%;padding:10px 12px;border:0;border-bottom:1px solid var(--line);background:none;color:inherit;font:inherit;text-align:left;cursor:pointer}
.thr-item:hover,.thr-item:focus-visible{background:var(--surface-2)}
.thr-item .tt{display:flex;align-items:center;gap:6px}.thr-item .tt time{margin-left:auto;color:var(--muted);font-size:.857rem}
.thr-item .tb{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.thr-item .tm{color:var(--muted);font-size:.857rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thr-item.unread .tt b{color:var(--text)}.thr-item.unread .tm{color:var(--text)}
.thead{display:flex;align-items:center;gap:6px}.thead .tsub{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--muted);font-size:.857rem}
a.thr.new{color:var(--text);font-weight:650}a.thr.new::after{content:"";display:inline-block;width:8px;height:8px;margin-left:6px;border-radius:50%;background:var(--accent)}

/* scope labels and the live preview in Settings */
.sc{display:inline-block;margin-left:6px;padding:1px 6px;border:1px solid var(--line);border-radius:2px;color:var(--muted);font-size:.714rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;vertical-align:middle;white-space:nowrap}
.sc-others,.sc-room{color:var(--text);background:var(--accent-soft,var(--surface-2));border-color:var(--accent)}
.sc-legend{margin:0 0 12px;font-size:.857rem}
#ap-preview{max-height:230px;overflow:hidden;border:1px solid var(--line);padding:8px;pointer-events:none;user-select:none}
.reset-card{margin-top:24px}

/* subtitles: your own look (transparency, light or dark, size), draggable over the call, or as a list in the side panel */
#captions .cap{background:rgba(16,18,12,var(--cap-a,.88))}
#captions.on-call .cap{pointer-events:auto;cursor:grab;touch-action:none;user-select:none}
#captions.dragging .cap{cursor:grabbing}
#captions.light .cap{background:rgba(250,251,244,var(--cap-a,.88));color:#15170d}
#captions.light .cap small{color:#4a5030}
#captions[data-size=s] .cap .t{font-size:clamp(13px,1.1vw,16px)}
#captions[data-size=l] .cap .t{font-size:clamp(20px,2vw,30px)}
#captions:not(.on-call) .cap{background:var(--surface-2)}
.capside{height:100%;overflow:auto;padding:8px 12px}
.capln{display:grid;gap:1px;padding:6px 0;border-bottom:1px solid var(--line)}
.capln b{font-size:.857rem;color:var(--muted)}
.capln.interim span:not(.orig){opacity:.75}
.capln .orig{color:var(--muted);font-size:.929rem}

/* screen-share safe mode */
#chat[data-veil="1"] #timeline,#chat[data-veil="1"] #customview,#chat[data-veil="1"] #roombanners{filter:blur(14px);pointer-events:none;user-select:none}
#safeveil{position:absolute;inset:var(--bar-h,52px) 0 0 0;z-index:8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:24px}
body[data-away="1"] #app{filter:blur(16px)}
#btn-activity{position:relative}
#btn-activity.has-dot::after{content:"";position:absolute;top:6px;right:6px;width:9px;height:9px;border-radius:50%;background:var(--accent);border:2px solid var(--surface);box-sizing:content-box}
.person.act.unread b::before{content:"";display:inline-block;width:8px;height:8px;margin-right:6px;border-radius:50%;background:var(--accent)}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:0 12px 12px}
.fcell{aspect-ratio:1;padding:0;border:1px solid var(--line);background:var(--surface-2);overflow:hidden;cursor:pointer}
.fcell img{width:100%;height:100%;object-fit:cover;display:block}
.fvid{display:grid;place-items:center;height:100%;gap:2px;color:var(--muted)}.fvid small{max-width:90%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fbody{overflow:auto}
.xl{margin-top:4px;padding:4px 8px;border-left:2px solid var(--line-strong,var(--line));color:var(--muted);font-size:.929rem}
.xl small{display:block;font-size:.714rem;text-transform:uppercase;letter-spacing:.03em}
.xl span{color:var(--text);white-space:pre-wrap}
.rbanner.welcome{align-items:flex-start}

/* cards in messages */
.mcard{display:grid;gap:6px;max-width:480px;margin-top:4px;padding:10px 12px;border:1px solid var(--line);border-left:3px solid var(--line-strong,var(--line));background:var(--surface-2)}
.mcard.tone-good{border-left-color:var(--ok)}.mcard.tone-warn{border-left-color:var(--warn)}.mcard.tone-bad{border-left-color:var(--danger)}
.mcard .mc-h{display:flex;align-items:center;gap:6px}.mcard .mc-t{color:inherit;text-decoration:none}.mcard .mc-t:hover b{text-decoration:underline}
.mcard .mc-s{margin-left:auto;padding:1px 6px;border:1px solid var(--line);font-size:.714rem;font-weight:650;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.mcard .mc-x{margin:0;white-space:pre-wrap}
.mcard .mc-f{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px;margin:0}.mcard .mc-f dt{font-size:.714rem;color:var(--muted);text-transform:uppercase}.mcard .mc-f dd{margin:0}
.mcard .mc-b{display:flex;gap:6px;flex-wrap:wrap}.mcard .mc-o{color:var(--muted)}

/* verification shield on a message */
.shield{display:inline-flex;align-items:center;margin-left:6px;vertical-align:middle}.shield.red{color:var(--danger)}.shield.grey{color:var(--muted)}
/* lock screen */
#lockscreen{position:fixed;inset:0;z-index:200;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--bg,var(--surface));color:var(--text);text-align:center;padding:24px}
/* accessibility: right-to-left text, and the options in Settings > Accessibility */
.mc,.mc p,.txt,.quote,#msg,#thread-in,.capln,.xl{unicode-bidi:plaintext;text-align:start}
html[data-contrast=high]{--muted:color-mix(in srgb,var(--text) 82%,transparent);--line:color-mix(in srgb,var(--text) 45%,transparent);--line-strong:var(--text)}
html[data-contrast=high] .sc,html[data-contrast=high] .mcard,html[data-contrast=high] .cmpz{border-color:var(--text)}
html[data-transparency=reduce] #captions .cap{--cap-a:1 !important}
html[data-transparency=reduce] dialog::backdrop{background:rgba(0,0,0,.9);backdrop-filter:none}
html[data-transparency=reduce] #safeveil,html[data-transparency=reduce] .mini-fly,html[data-transparency=reduce] .hcard,html[data-transparency=reduce] #undo-host .undo{backdrop-filter:none;opacity:1}
html[data-focus=strong] :focus-visible{outline:3px solid var(--accent) !important;outline-offset:2px !important}
html[data-links=underline] a{text-decoration:underline}
html[data-spacing=loose] .tl .m,html[data-spacing=loose] .mc{line-height:1.7}

/* Activity: a small panel under the bell */
#activity-pop,#directory-pop{position:fixed;z-index:60;width:min(420px,calc(100vw - 16px));max-height:min(70vh,640px);overflow:auto;padding:12px;border:1px solid var(--line);border-radius:var(--r-modal);background:var(--surface);color:var(--text);box-shadow:var(--e3)}
#activity-pop .plist{max-height:none !important}
#directory-pop .plist{max-height:min(56vh,520px);overflow:auto;margin-top:8px}
.dir-more{padding:6px 12px 10px 56px;border-bottom:1px solid var(--line)}

/* modal windows and the two small panels (Activity, Directory) have clearly rounded corners; the rest of the app stays flat */
:root{--r-modal:16px}
dialog{border-radius:var(--r-modal)}
dialog.qs{border-radius:var(--r-modal);overflow:hidden}
dialog.lightbox{border-radius:0}
dialog input,dialog select,dialog .btn,dialog textarea{border-radius:8px}
/* the small popups share the modals' rounded corners */
.menu,.emoji,.hcard,.mini-fly,.mpop,#undo-host .undo,.toast{border-radius:var(--r-modal)}
.menu{overflow:auto}
.menu button,.menu .item{border-radius:8px}
.mini-fly{overflow:hidden}

/* while a side pane is being dragged, no sliding animation (every pointer move would restart it and the drag would lag), and no text selection or hover work */
#app.resizing{transition:none !important;user-select:none}
#app.resizing #timeline,#app.resizing #customview{pointer-events:none}

/* release notes in "What's new" */
.relnotes{max-height:min(60vh,560px);overflow:auto;padding:0 4px;user-select:text}
.relnotes .rn-h{margin:0 0 8px;font-size:1.143rem}
.relnotes .rn-s{margin:16px 0 6px;font-size:.857rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.relnotes .rn-l{margin:0;padding-left:18px;display:grid;gap:6px}
.relnotes p{margin:6px 0}

.thrdot{display:inline-flex;margin-left:4px;color:var(--accent-on-dark,var(--accent))}

.fold-hr{display:flex;align-items:center}.fold-hr .fold-h{flex:1;min-width:0}
.fold-sort{flex:none;padding:2px 6px;border:0;background:none;color:var(--muted);font:inherit;font-size:.714rem;font-weight:650;letter-spacing:.03em;cursor:pointer}.fold-sort:hover{color:var(--text);background:var(--surface-2)}
#app[data-mini="1"] .fold-sort{display:none}
/* quick tour */
#tour-ring{position:fixed;z-index:150;pointer-events:none;border:2px solid var(--accent-on-dark,var(--accent));border-radius:6px;box-shadow:0 0 0 9999px rgba(0,0,0,.35)}
#tour-bubble{position:fixed;z-index:151;width:320px;padding:14px;border:1px solid var(--line);border-radius:var(--r-modal);background:var(--surface);color:var(--text);box-shadow:var(--e3)}
#tour-bubble h3{margin:4px 0 6px;font-size:1.071rem}#tour-bubble p{margin:0 0 12px}
.tour-b{display:flex;align-items:center;gap:8px}

/* the details panel never overflows sideways, however narrow it is made: scope notes wrap under their label */
#sidebody{overflow-x:hidden}
#sidebody section,#sidebody .card{min-width:0;max-width:100%}
.cfg-scope{flex-wrap:wrap}
.cfg-scope .scope{width:auto;flex:none}
.cfg-scope .muted{flex:1 1 150px;min-width:0;overflow-wrap:anywhere}
#sidebody .cfg .row,#sidebody .cfg .srow{min-width:0}
#sidebody .cfg select,#sidebody .cfg input[type=range]{max-width:100%}

/* call quality in the call header */
.cq{margin-left:8px;padding:1px 8px;border:1px solid var(--line);font-size:.714rem;font-weight:650;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.cq.good{color:var(--ok);border-color:var(--ok)}.cq.fair{color:var(--warn);border-color:var(--warn)}.cq.poor{color:var(--danger);border-color:var(--danger)}

/* Activity panel controls */
.act-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.act-chip{padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:none;color:inherit;font:inherit;font-size:.857rem;cursor:pointer}
.act-chip:hover{background:var(--surface-2)}
.act-chip[aria-checked=true]{background:var(--accent);color:var(--on-accent);border-color:transparent;font-weight:600}
.act-actions{display:flex;justify-content:flex-end;gap:8px;margin-bottom:8px}
.act-actions .btn{border-radius:999px;padding:0 14px}.act-actions .btn[disabled]{opacity:.45;cursor:default}

/* rounded chips (status dialog and elsewhere) */
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px}
.chip-r{padding:6px 14px;border:1px solid var(--line);border-radius:999px;background:none;color:inherit;font:inherit;font-size:.929rem;cursor:pointer}
.chip-r:hover{background:var(--surface-2)}
.chip-r[aria-checked=true]{background:var(--accent);color:var(--on-accent);border-color:transparent;font-weight:600}
.st-presets .chip-r{font-size:.857rem;padding:4px 12px;color:var(--muted)}.st-presets .chip-r:hover{color:var(--text)}
.st-f{display:grid;gap:6px;margin:0 0 14px}.st-f span{font-size:.857rem;font-weight:600;color:var(--muted)}
.st-f input,.st-f select{width:100%;height:40px;padding:0 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--surface-2);color:var(--text);font:inherit}
/* Activity: all filters on one line */
#activity-pop{width:min(460px,calc(100vw - 16px))}
.act-chips{flex-wrap:nowrap;gap:5px}
.act-chip{padding:3px 10px;font-size:.8rem;white-space:nowrap}

/* every segmented control is now a row of rounded chips (same look as the status dialog and Activity) */
.seg{display:flex;flex-wrap:wrap;gap:6px;border:0;border-radius:0;overflow:visible}
.seg button,.seg button+button{flex:0 1 auto;border:1px solid var(--line);border-left:1px solid var(--line);border-radius:999px;padding:4px 14px;min-height:30px;font-size:.857rem;white-space:nowrap;color:var(--text)}
.seg button:hover{background:var(--surface-2)}
.seg button[aria-checked=true]{background:var(--accent);color:var(--on-accent);border-color:transparent;font-weight:650}
.seg button:focus-visible{outline-offset:2px}

/* compact buttons and chips with slightly rounded corners (not pills) */
.seg{gap:4px}
.seg button,.seg button+button,.act-chip,.chip-r{border-radius:8px;padding:2px 10px;min-height:26px;font-size:.821rem;line-height:1.2}
.chip-row{gap:6px;margin-bottom:10px}
.st-presets .chip-r{padding:2px 9px;font-size:.786rem}
.act-chips{gap:4px}.act-chip{padding:2px 8px;font-size:.786rem}
.btn{height:28px;padding:0 10px;border-radius:7px;font-size:.893rem}
.btn.sm{height:24px;padding:0 8px;border-radius:6px}
.act-actions .btn{border-radius:7px;padding:0 10px}
dialog .btn,dialog input,dialog select,dialog textarea{border-radius:7px}
.st-f input,.st-f select{height:32px;border-radius:7px;padding:0 10px}
#onboard .btn{height:40px;border-radius:8px}

/* buttons inside the details-panel cards keep their text inside the button (an old rule added top padding that the compact height cannot hold) */
.cfg-btns,.cfg>.btn{padding-top:0}
.cfg>.btn,.card .btn{height:auto;min-height:28px;padding:4px 10px;line-height:1.25}
.cfg>.btn{margin-top:8px;justify-self:start}
.scope{border-radius:6px;padding:1px 7px}

/* label and select rows in the details panel wrap instead of pushing the select out of the card */
.cfg-sel{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px}
.cfg-sel>label{flex:0 1 auto}
.cfg-sel>select,.cfg-sel>input{flex:1 1 150px;min-width:0;max-width:100%}
.cfg-scope .scope{font-size:10px;padding:1px 6px;letter-spacing:.03em}

/* sign-in waiting state: the message and its buttons get room to breathe */
#login-wait{display:grid;gap:16px;justify-items:center}
#login-wait p{margin:0}
#login-wait .row2{margin-top:4px}
#login .row2 .btn,#onboard .row2 .btn{height:34px;padding:0 16px}

/* sign-in message under the button: centred and as wide as the box above it */
#login .notice{width:min(420px,90vw);text-align:center;box-sizing:border-box;justify-self:center}

#login .providers{display:flex;gap:18px;justify-content:center;margin-top:6px}
#login .providers:empty{display:none}
#login .prov{width:88px;height:88px;padding:14px;border:0;border-radius:20px;background:#fff;color:#222;cursor:pointer;font:700 2rem system-ui;display:grid;place-items:center;transition:transform .12s}
#login .prov:hover:not(:disabled){transform:translateY(-2px)}
#login .prov:focus-visible{outline:2px solid var(--accent,currentColor);outline-offset:4px}
#login .prov:disabled{opacity:.45;cursor:default}
#login .prov img{width:100%;height:100%;object-fit:contain;filter:none;border-radius:0;display:block}
#login [hidden]{display:none!important}
#login .provfail{display:grid;gap:12px;justify-items:center;text-align:center}
#login .provfail p{margin:0}
#login .provfail .btn{white-space:nowrap}

/* Reordering spaces, rooms and subspaces by dragging */
.dragging{opacity:.45}
body.reordering,body.reordering *{cursor:grabbing !important;user-select:none}
.drop-line{position:fixed;z-index:60;background:var(--accent);border-radius:2px;pointer-events:none}
/* Favourites folders */
.favfolder>summary{display:flex;align-items:center;gap:8px}
.favfolder>summary .cnt{margin-left:auto;color:var(--muted);font-size:.857rem}
.favfolder>summary [data-folder-menu]{opacity:0}
.favfolder>summary:hover [data-folder-menu],.favfolder>summary:focus-within [data-folder-menu]{opacity:1}
.favfolder .favrooms{padding-left:12px}
.favfolder .drophint{margin:4px 8px;font-size:.857rem}
.favfolder.drop-into>summary,.favfolder.drop-into .favrooms{outline:2px solid var(--accent);outline-offset:-2px;border-radius:8px}

/* Input fields: the border itself shows focus, right at the edge of the field, with little padding inside */
:root{--edge:color-mix(in srgb,var(--line-strong) 55%,var(--line));--focus-edge:color-mix(in srgb,var(--accent) 62%,var(--surface))}
dialog input:not([type=checkbox]):not([type=range]),dialog select,.sbody input:not([type=checkbox]):not([type=range]),.sbody select,.mbody input:not([type=checkbox]),.mbody select,.scard select,.scard input:not([type=checkbox]):not([type=range]){border-color:var(--edge);padding:0 6px}
dialog input:not([type=checkbox]):not([type=range]):focus-visible,dialog select:focus-visible,.sbody input:not([type=checkbox]):not([type=range]):focus-visible,.sbody select:focus-visible,.mbody input:not([type=checkbox]):focus-visible,.mbody select:focus-visible,.scard select:focus-visible,.scard input:not([type=checkbox]):not([type=range]):focus-visible{outline:0;border-color:var(--focus-edge);box-shadow:0 0 0 1px var(--focus-edge)}
.field{gap:4px;height:30px;padding:0 6px}
.field:focus-within,.cmpz:focus-within{border-color:var(--focus-edge)}
.cmpz{padding:2px 4px;gap:0}
.cmpz input{padding:5px 4px}
.cmpz textarea{padding:5px 4px}
.cmpz .ib{width:28px;height:28px}
/* Less empty space above and below the text of every input */
.field{height:28px}
dialog input:not([type=checkbox]):not([type=range]),dialog select,.sbody input:not([type=checkbox]):not([type=range]),.sbody select,.mbody input:not([type=checkbox]),.mbody select,.scard select,.scard input:not([type=checkbox]):not([type=range]){height:28px}
.cmpz{padding:1px 4px}
.cmpz input,.cmpz textarea{padding-top:3px;padding-bottom:3px}
.cmpz textarea{line-height:1.35}
.cmpz .ib{width:26px;height:26px}
/* The message box: buttons and the text line are the same height, so the text sits in the middle with equal space above and below */
.cmpz .ib,.cmpz .send{width:28px;height:28px}
.cmpz textarea{box-sizing:border-box;min-height:28px;padding-top:4px;padding-bottom:4px}
.cmpz input{box-sizing:border-box;height:28px;padding-top:0;padding-bottom:0}
/* Snug inputs: about 6px of space above and below the capitals, not 11 */
.cmpz{padding:0}
.cmpz .ib,.cmpz .send{width:22px;height:22px}
.cmpz textarea{min-height:22px;padding-top:2px;padding-bottom:2px;line-height:1.25}
.cmpz input{height:22px}
.field{height:24px}
dialog input:not([type=checkbox]):not([type=range]),dialog select,.sbody input:not([type=checkbox]):not([type=range]),.sbody select,.mbody input:not([type=checkbox]),.mbody select,.scard select,.scard input:not([type=checkbox]):not([type=range]){height:26px}
/* Buttons inside the message box: the icon sits exactly in the middle of its square */
.cmpz .ib,.cmpz .send{padding:0;display:grid;place-items:center}
/* The send button is a little longer than the other buttons */
.cmpz .send{width:36px}

/* breathing room between the last message and the message box */
#timeline{padding-bottom:28px}

/* a folded run of join/leave notes: a quiet chip, not a link */
.m.sys.grp{padding-top:6px;padding-bottom:6px}
.grp-btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:8px;padding:3px 9px 3px 8px;font:inherit;line-height:1.4;cursor:pointer}
.grp-btn:hover{background:var(--surface-2);color:var(--text)}
.grp-btn .grp-chev{display:inline-flex;transition:transform .15s}
.grp-btn[aria-expanded=true] .grp-chev{transform:rotate(180deg)}
.grp-btn[aria-expanded=true]{color:var(--text)}
@media (prefers-reduced-motion:reduce){.grp-btn .grp-chev{transition:none}}

/* messages the way Slack draws them: 36px rounded avatar, bold name with the time beside it, 15px text (not in the dense log layout) */
.tl:not(.cmp){padding:8px 0 28px;gap:0}
.tl:not(.cmp) .m{padding:8px 20px;gap:8px;border-radius:0}
.tl:not(.cmp) .m:hover{background:color-mix(in srgb,var(--surface-2) 55%,transparent)}
.tl:not(.cmp) .m>.av{--s:36px !important;--ar:6px;margin-top:2px}
.tl:not(.cmp) .m .h{gap:8px}
.tl:not(.cmp) .m .h b{font-size:15px;font-weight:700}
.tl:not(.cmp) .m .h time{font-size:12px}
.tl:not(.cmp) .m .txt,.tl:not(.cmp) .m .b>p{font-size:15px;line-height:1.4667;max-width:none}
.tl:not(.cmp) .m.cont{padding:1px 20px}
.tl:not(.cmp) .m.sys{padding:4px 20px 4px calc(20px + 36px + 8px)}
.tl:not(.cmp) .m.sys.grp{padding-top:6px;padding-bottom:6px}
.tl:not(.cmp) .day{align-self:center;font-size:13px;font-weight:700;color:var(--text);padding:3px 14px;border:1px solid var(--line);border-radius:16px;margin:14px 0 8px;background:var(--surface)}
.cmpz{border-radius:8px}
/* a translation: its text, then a quiet "Translated" line */
.xl{border-left:0;padding:0;margin-top:4px;color:var(--text);font-size:inherit}
.xl span{display:block}
.xl small{display:flex;align-items:center;gap:6px;margin-top:2px;font-size:13px;text-transform:none;letter-spacing:0;color:var(--muted)}
.xl small .link{color:var(--text);font-size:13px}
.xl small .xl-sep{width:1px;height:12px;background:var(--line)}
/* the time of a follow-up message appears in the avatar column, centred under the avatar */
.tl:not(.cmp) .m.cont:hover .hover-time{left:20px;top:4px;width:36px;text-align:center;font-size:11px;line-height:1.5}
/* the badge beside a name must not make the name line taller than the text: the avatar is lined up with the first line */
.tl:not(.cmp) .m .h .tag{margin:0;line-height:1.3}
.tl:not(.cmp) .m .h{min-height:22px}
.tl:not(.cmp) .m>.av{margin-top:6px} /* the top of the avatar lines up with the top of the capital letters of the name */

/* links: in the accent colour (lime on dark, ink on light), a soft underline that firms up on hover */
.m .txt a,.m .xl a,.m .quote a{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 38%,transparent);text-decoration-thickness:1px;text-underline-offset:3px;border-radius:2px;transition:text-decoration-color .12s,color .12s}
.m .txt a:hover,.m .xl a:hover,.m .quote a:hover{color:var(--accent-hover);text-decoration-color:currentColor}
.m .txt a:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
/* less empty space under the message box */
.cmpz{margin-bottom:8px}
.thread .cmpz{margin:8px}
/* the badge beside a name never makes the name line taller (also in the compact layout), and there the avatar's top lines up with the name's capitals */
.m .h .tag{margin:0;line-height:1.3}
.tl.cmp .m>.av{margin-top:7px}
/* compact layout, horizontal: name and text start at the same left edge, and the avatar sits close to them */
.tl.cmp .m{gap:10px}
.tl.cmp .m>.av{margin-left:0;margin-right:0}
.tl.cmp .h{margin-left:0;margin-right:0}
.tl.cmp .m.cont:hover .hover-time{width:28px;text-align:center}

/* the main message box: no rounded frame; a separator line above it, sitting low at the bottom edge */
#composer.cmpz{box-sizing:border-box;min-height:var(--foot-h);margin:0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;padding:0 24px 0 20px;align-items:center}
#composer.cmpz:focus-within{border-top-color:var(--line)}
/* the account block under the room list is as tall as the message box, so their separators form one line */
:root{--foot-h:34px}
#tree .foot{box-sizing:border-box;height:var(--foot-h);padding:0 8px}

/* the account name and menu: top right corner (the cell under the room list stays, as tall as the message box, so the separators line up) */
#topbar .me{display:flex;align-items:center;gap:8px;flex:none;max-width:220px;padding:3px 10px 3px 4px;border:1px solid var(--line);border-radius:8px;background:transparent;color:inherit;font-size:.929rem;font-weight:700;cursor:pointer}
#topbar .me:hover{background:var(--surface-2)}
#topbar .me .n{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#topbar .me::after{content:"";width:6px;height:6px;margin:0 2px 2px 2px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);opacity:.6}

/* compact message box: one tight row */
#composer.cmpz{padding:0 20px 0 16px}
#composer.cmpz textarea{padding-top:3px;padding-bottom:3px;min-height:26px}
#composer.cmpz .ib,#composer.cmpz .send{width:26px;height:26px}
/* the unread filter button must fit inside the quick-find field */
.treefilter .ib.sm{flex:none;width:22px;height:22px;min-width:0;min-height:0;padding:0;margin-right:-4px;display:grid;place-items:center}
.treefilter .ib.sm svg{width:14px;height:14px}
/* "only unread rooms" is on: the bell itself is highlighted (filled, accent colour), not its whole square */
#unreadonly[aria-pressed=true]{background:transparent;box-shadow:none;color:var(--accent)}
#unreadonly[aria-pressed=true] svg{fill:currentColor}
.treefilter .ib.sm{align-self:center;margin-top:0;margin-bottom:0}

/* the top bar has no search field any more: the icons sit at the right end */
#topbar .spacetabs{margin-right:auto}

/* ---- polish round: thread box, corners, search tab, mentions, system notes, quotes, message toolbar ---- */
/* corners: 8px at most for controls */
.tl .day,.tl:not(.cmp) .day{border-radius:8px;width:auto;min-width:120px;padding:2px 16px;align-self:center}
.thread .cmpz{border-radius:8px;align-items:center;padding:2px 4px 2px 8px;gap:4px}
.thread .cmpz textarea{min-height:28px;padding:4px 0}
.thread .cmpz .ib,.thread .cmpz .send{width:28px;height:28px;border-radius:6px;align-self:center}
/* the search tab: one box, not a box inside a box */
#s-form .field input{flex:1;min-width:0;border:0;outline:0;box-shadow:none;background:transparent;height:100%;padding:0}
#s-form .field{height:32px}
/* @-mention suggestions: one compact line per person */
.mpop{padding:2px}
.mpop button{display:flex;align-items:center;gap:8px;padding:3px 8px;min-height:0}
.mpop button .av{--s:20px !important;margin:0}
.mpop button b{margin:0;font-weight:600;white-space:nowrap}
.mpop small{margin:0;text-align:left;min-width:0;flex:1}
/* system notes (joined, left, invited…): small, muted, marked by a dot in the avatar column */
.m.sys{position:relative;display:flex;align-items:baseline;gap:8px;font-size:12px;color:var(--muted);padding-top:1px;padding-bottom:1px}
.tl:not(.cmp) .m.sys{padding-left:calc(20px + 36px + 8px)}
.m.sys::before{content:"";position:absolute;left:calc(20px + 18px - 2px);top:50%;width:4px;height:4px;border-radius:50%;background:var(--muted);opacity:.6;transform:translateY(-50%)}
.tl.cmp .m.sys{padding-left:calc(8px + 28px + 10px)}
.tl.cmp .m.sys::before{left:calc(8px + 14px - 2px)}
.m.sys time{font-size:11px;opacity:.7}
.m.sys.grp::before{display:none}
/* quotes stand out: accent bar and a soft wash */
.m .txt blockquote{border-left:3px solid var(--accent);background:color-mix(in srgb,var(--accent) 9%,transparent);margin:4px 0;padding:6px 12px;color:var(--text);border-radius:0 6px 6px 0}
.quote{background:color-mix(in srgb,var(--accent) 7%,transparent);border-radius:0 6px 6px 0}
/* message actions sit right after the time (placed from the script) */
.m .mtools{right:auto;left:var(--tools-left,320px);top:-4px}
.m.cont .mtools{top:-14px}

/* quick reactions in the message toolbar */
.mtools .ib.quick{font-size:15px;line-height:1;font-family:inherit;width:28px;height:28px}

/* one box per search field: the input inside a .field never draws its own frame */
.field input,.field input:focus,.field input:focus-visible{border:0;outline:0;box-shadow:none;background:transparent;height:100%;padding:0;min-width:0;flex:1}
/* the field draws the focus ring, not the input inside it (also with the strong-focus setting) */
.field input:focus,.field input:focus-visible,html[data-focus=strong] .field input:focus-visible{outline:0 !important;outline-offset:0 !important}
.field:focus-within{border-color:var(--accent)}
html[data-focus=strong] .field:focus-within{outline:3px solid var(--accent);outline-offset:2px}
/* search inputs: no native search-field box (it drew its own rounded frame and focus ring inside ours) */
.field input[type=search],input[type=search]{-webkit-appearance:none;appearance:none}
.field input[type=search]::-webkit-search-decoration,.field input[type=search]::-webkit-search-cancel-button{-webkit-appearance:none}

/* inside a .field only the field shows focus: the generic ring for inputs in side panels, dialogs and cards (a 1px shadow) must not also draw one on the input */
.field input:focus,.field input:focus-visible{box-shadow:none !important;border-color:transparent !important}

/* space description card on Space Home */
.shsec:empty{display:none}
.sdesc-h{display:flex;align-items:center;justify-content:space-between;gap:12px}
.sdesc-h h3{margin:0}
.sdesc{margin-top:6px;padding:12px 16px;border:1px solid var(--line);border-radius:8px;background:var(--surface);line-height:1.5;overflow-wrap:anywhere}
.sdesc-empty{margin-top:6px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 16px;border:1px dashed var(--line-strong,var(--line));border-radius:8px;color:var(--muted)}
.sdesc-empty p{margin:0}
.sdesc a,.sdesc-prev a{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 38%,transparent);text-underline-offset:3px}
.sdesc :first-child,.sdesc-prev :first-child{margin-top:0}.sdesc :last-child,.sdesc-prev :last-child{margin-bottom:0}
.sdesc ul,.sdesc ol,.sdesc-prev ul,.sdesc-prev ol{padding-left:22px}
.sdesc blockquote,.sdesc-prev blockquote{border-left:3px solid var(--accent);background:color-mix(in srgb,var(--accent) 9%,transparent);margin:6px 0;padding:6px 12px;border-radius:0 6px 6px 0}
.sdesc code,.sdesc-prev code{font-family:var(--mono);background:var(--surface-2);padding:1px 4px;border-radius:4px}
/* the editor */
.sdesc-bar{display:flex;align-items:center;gap:2px;width:max-content;max-width:100%;margin:0 0 12px;padding:3px;border:1px solid var(--line);border-radius:8px;background:var(--surface-2)}
.sdesc-bar .ib{width:28px;height:28px;border-radius:6px}
.sdesc-sep{width:1px;height:18px;margin:0 4px;background:var(--line)}
.sdesc-panes{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.sdesc-pane{display:flex;flex-direction:column;gap:6px;min-width:0}
.sdesc-label{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.sdesc-pane textarea,.sdesc-prev{box-sizing:border-box;height:280px;margin:0;padding:10px 12px;border:1px solid var(--line-strong,var(--line));border-radius:8px;background:var(--surface-2);color:var(--text);font:inherit;line-height:1.5;resize:none;overflow:auto}
.sdesc-prev{background:transparent}
.sdesc-hint{margin:12px 0 0;font-size:12px;color:var(--muted)}
@media (max-width:760px){.sdesc-panes{grid-template-columns:1fr}}
.card.cfg+.card.cfg{margin-top:12px}
.cfg-more{border-top:1px solid var(--line);margin-top:8px;padding-top:8px}
.cfg-more summary{cursor:pointer;font-size:13px;font-weight:600;padding:4px 0;list-style:none;display:flex;align-items:center;gap:6px}
.cfg-more summary::before{content:"▸";font-size:.8em;color:var(--muted);transition:transform .15s}
.cfg-more[open] summary::before{transform:rotate(90deg)}
.cfg-more .cfg-seg{border-top:0}
.cfg-hint{font-size:12px;margin:6px 0}
.cfg-h{font-size:13px;font-weight:700;margin:4px 0 2px}
.cfg-who{font-size:12px;font-weight:400;color:var(--muted);text-transform:none;letter-spacing:0}
#ad-body .row{margin:0 0 8px}
#ad-body .person{padding-inline:0}
#ad-body .rp-h{margin:20px 0 8px}
#ad-body .rp-add{align-items:center;margin:12px 0 16px}
#ad-body .rp-add input{flex:1;min-width:0}
#ad-body .rp-add .btn{white-space:nowrap;flex-shrink:0}
#ad-body .srow{padding:8px 0;border-top:1px solid var(--line)}
/* Dialog content lines up with the title and the buttons (all inset 12px). */
.mbody>p,.mbody>h3,.mbody>.muted{margin-inline:12px}
.mbody>textarea{width:calc(100% - 24px) !important;margin:8px 12px;box-sizing:border-box}
dialog .actions{margin:12px}
.favsep{border:0;border-top:1px solid var(--line);margin:8px 12px}
.cfg-sel select{width:160px;max-width:100%}
.cfg-sel{grid-template-columns:minmax(0,1fr) 160px}
.cfg-sel select{width:160px !important;min-width:160px !important;max-width:160px !important;box-sizing:border-box}
/* A translation is set apart from the original: its own tinted block with an accent bar, the label above. */
.xl{margin:6px 0 2px;padding:6px 10px;border-left:3px solid var(--accent);border-radius:0 var(--r) var(--r) 0;background:color-mix(in srgb,var(--accent) 9%,var(--surface-2,transparent))}
.xl small{margin:0 0 2px}
.xl span{display:block}
.xl-off{margin:2px 0}.xl-off .link{font-size:13px;color:var(--muted)}
#composer-extra .ib.on{color:var(--accent);background:var(--accent-soft)}
.menu .mt{white-space:nowrap}
/* side tabs scroll sideways; arrows appear only when tabs are cut off */
.stabbar{display:flex;align-items:stretch;border-bottom:1px solid var(--line);flex:none;min-width:250px}
.stabbar .stabs{border-bottom:0;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.stabbar .stabs::-webkit-scrollbar{display:none}
.stabs button{flex:none;white-space:nowrap}
.tabarrow{flex:none;width:28px;font-size:20px;line-height:1;color:var(--muted);border-radius:0}
.tabarrow:hover{color:var(--text);background:var(--hover,rgba(255,255,255,.06))}