/* Layout: roster rail | chat history | open conversation. Admin replaces the last two. */
:root{
  --bg:#F2F3EF; --panel:#FBFBF8; --ink:#17201C; --muted:#5E6963; --line:#DADDD5; --soft:#E8EAE3;
  --accent:#245C45; --accent-ink:#FFFFFF; --warn:#9A3B1E; --ok:#2E6B4E;
  --c-ochre:#B07A12; --c-forest:#2E6B4E; --c-cobalt:#2D5BA8; --c-brick:#A4472C; --c-plum:#7A4A82; --c-slate:#4A5B66;
  --f-display:"Bricolage Grotesque","Avenir Next",system-ui,sans-serif;
  --f-body:"Figtree","Segoe UI",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --r:10px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root{
  --bg:#121715; --panel:#181E1B; --ink:#E6EAE5; --muted:#97A39C; --line:#2A332F; --soft:#212925;
  --accent:#6FC29A; --accent-ink:#0E1A14; --warn:#E58A6A; --ok:#6FC29A;
  --c-ochre:#E0AE48; --c-forest:#6FC29A; --c-cobalt:#7FA6EA; --c-brick:#E58A6A; --c-plum:#C399CB; --c-slate:#9AB0BD;
  color-scheme:dark}}

*{box-sizing:border-box}
html,body,#app{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--f-body)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.55}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}
.mono{font-family:var(--f-mono)}
.muted{color:var(--muted)}

.btn{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:8px 13px;font-weight:500;font-size:14px;white-space:nowrap}
.btn:hover:not(:disabled){border-color:var(--muted)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.ghost{background:none;border-color:transparent;color:var(--muted)}
.btn.ghost:hover:not(:disabled){color:var(--ink);background:var(--soft)}
.btn.danger{color:var(--warn)}
.btn.sm{padding:5px 10px;font-size:13px}
.label{font:500 11px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}

/* ---------- sign in ---------- */
.auth{min-height:100%;display:grid;place-items:center;padding:24px 16px}
.auth-card{width:min(400px,100%);display:flex;flex-direction:column;gap:16px}
.auth-card h1{font:700 30px/1.1 var(--f-display);margin:0;letter-spacing:-.01em}
.auth-card p{margin:0;color:var(--muted)}
.auth-form{display:flex;flex-direction:column;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
.err{color:var(--warn);font-size:13.5px;min-height:1em}

.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font:500 11px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.field input,.field textarea,.field select{border:1px solid var(--line);border-radius:8px;background:var(--bg);padding:9px 11px;width:100%}
.field textarea{resize:vertical;line-height:1.45;min-height:120px}
.field textarea.tall{min-height:300px;font:13.5px/1.5 var(--f-mono)}
.field .help{font-size:12.5px;color:var(--muted)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}

/* ---------- shell ---------- */
.shell{height:100%;display:grid;grid-template-columns:270px 250px minmax(0,1fr)}
.shell.admin-mode{grid-template-columns:270px minmax(0,1fr)}
.shell.admin-mode .history{display:none}

.rail{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.brand{padding:20px 18px 10px}
.brand h1{font:700 21px/1.1 var(--f-display);margin:0;letter-spacing:-.01em}
.brand p{margin:2px 0 0;color:var(--muted);font-size:13px}
.rail .label{padding:14px 18px 8px}
.roster{list-style:none;margin:0;padding:0 8px;display:flex;flex-direction:column;gap:2px;overflow:auto;min-height:0;flex:1}
.member{display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:11px;align-items:center;width:100%;text-align:left;background:none;border:0;border-radius:var(--r);padding:9px 10px}
.member:hover{background:var(--soft)}
.member[aria-current="true"]{background:var(--panel);box-shadow:0 0 0 1px var(--line)}
.av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font:700 13px/1 var(--f-display);color:var(--bg);background:var(--who,var(--c-slate));flex:none;letter-spacing:.02em}
.who-name{font-weight:600;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who-role{font-size:12.5px;color:var(--muted);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dot{width:8px;height:8px;border-radius:50%}
.dot.busy{background:var(--c-ochre);animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.rail-foot{border-top:1px solid var(--line);padding:10px 10px 14px;display:flex;flex-direction:column;gap:4px}
.me-row{display:flex;align-items:center;gap:10px;padding:6px 8px}
.me-row .av{width:30px;height:30px;font-size:11px;--who:var(--c-slate)}
.me-row > div:not(.av){min-width:0;flex:1}
.me-row strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.me-row span{display:block;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rail-foot .btn{text-align:left}

/* history column */
.history{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:var(--bg)}
.history-head{padding:16px 12px 10px;display:flex;gap:8px;align-items:center;justify-content:space-between}
.history-head .btn{flex:1}
.conv-list{list-style:none;margin:0;padding:0 8px 12px;overflow:auto;flex:1;min-height:0;display:flex;flex-direction:column;gap:1px}
.conv{width:100%;text-align:left;background:none;border:0;border-radius:8px;padding:8px 10px;display:flex;flex-direction:column;gap:1px}
.conv:hover{background:var(--soft)}
.conv[aria-current="true"]{background:var(--panel);box-shadow:0 0 0 1px var(--line)}
.conv .t{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv .d{font:11.5px var(--f-mono);color:var(--muted)}
.empty-note{padding:8px 12px;color:var(--muted);font-size:13.5px}

/* room */
.room{display:flex;flex-direction:column;min-height:0;min-width:0;background:var(--panel)}
.room-head{display:flex;align-items:center;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.room-head .av{width:42px;height:42px;font-size:15px}
.room-title{min-width:0;flex:1}
.room-title h2{margin:0;font:700 18px/1.2 var(--f-display)}
.room-title p{margin:0;color:var(--muted);font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.head-tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
select.tier{border:1px solid var(--line);background:var(--bg);border-radius:8px;padding:7px 8px;font-size:13px}
.history-toggle{display:none}

.feed{flex:1;overflow:auto;min-height:0;padding:24px 22px;display:flex;flex-direction:column;gap:18px}
.intro{max-width:680px;display:flex;flex-direction:column;gap:14px}
.intro h3{margin:0;font:700 22px/1.25 var(--f-display);text-wrap:balance}
.intro p{margin:0;color:var(--muted)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:6px 13px;font-size:13.5px;text-align:left}
.chip:hover{border-color:var(--who);}
.skill-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:8px}
.skill-card{border:1px solid var(--line);background:var(--bg);border-radius:var(--r);padding:11px 13px;text-align:left;display:flex;flex-direction:column;gap:3px}
.skill-card:hover{border-color:var(--who)}
.skill-card strong{font-size:14px}
.skill-card span{font-size:12.5px;color:var(--muted);line-height:1.4}

.msg{display:flex;gap:12px;max-width:800px;min-width:0}
.msg .av{width:30px;height:30px;font-size:11px;margin-top:2px}
.msg.me{align-self:flex-end;flex-direction:row-reverse;max-width:min(680px,92%)}
.bubble{min-width:0;border-radius:12px}
.msg.me .bubble{background:var(--soft);padding:10px 14px}
.msg.me .text{white-space:pre-wrap;overflow-wrap:anywhere}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}
.tag{font:500 11.5px/1 var(--f-mono);border:1px solid var(--line);border-radius:6px;padding:4px 7px;background:var(--panel);color:var(--muted)}
.tag.skill{color:var(--who);border-color:currentColor}
.meta{font:500 11px/1 var(--f-mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin:4px 0 7px;display:flex;gap:12px;align-items:center}
.meta button{background:none;border:0;padding:0;color:var(--muted);font:inherit;letter-spacing:inherit;text-transform:inherit}
.meta button:hover{color:var(--ink)}
.md{overflow-wrap:anywhere}
.md>:first-child{margin-top:0}.md>:last-child{margin-bottom:0}
.md h1,.md h2,.md h3,.md h4{font-family:var(--f-display);line-height:1.25;margin:1.1em 0 .4em}
.md h1{font-size:19px}.md h2{font-size:17px}.md h3{font-size:15.5px}.md h4{font-size:15px}
.md p{margin:.55em 0}.md ul,.md ol{padding-left:1.3em;margin:.5em 0}.md li{margin:.2em 0}
.md code{font:13px var(--f-mono);background:var(--soft);padding:1px 5px;border-radius:4px}
.md pre{background:var(--soft);border-radius:8px;padding:12px 14px;overflow-x:auto}
.md pre code{background:none;padding:0}
.md table{border-collapse:collapse;display:block;overflow-x:auto;font-size:13.5px;max-width:100%}
.md th,.md td{border:1px solid var(--line);padding:6px 10px;text-align:left;vertical-align:top}
.md th{background:var(--soft)}
.md blockquote{margin:.6em 0;padding-left:12px;border-left:3px solid var(--line);color:var(--muted)}
.thinking{color:var(--muted);font-style:italic}
.note{color:var(--warn);font-size:13px;margin-top:6px}

.composer{border-top:1px solid var(--line);padding:12px 22px 16px;display:flex;flex-direction:column;gap:8px;position:relative}
.picked{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:4px 6px 4px 11px;font-size:13px;max-width:100%}
.pill.skill{border-color:var(--who);color:var(--ink)}
.pill b{font-weight:600}
.pill span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pill button{border:0;background:var(--soft);border-radius:50%;width:20px;height:20px;line-height:1;padding:0;color:var(--muted);flex:none}
.compose-row{display:flex;gap:8px;align-items:flex-end}
.compose-row textarea{flex:1;min-width:0;resize:none;border:1px solid var(--line);border-radius:10px;background:var(--bg);padding:11px 13px;min-height:46px;max-height:220px;line-height:1.45}
.compose-row textarea:focus{border-color:var(--accent);outline:none}
.icon-btn{border:1px solid var(--line);background:var(--bg);border-radius:10px;width:46px;height:46px;display:grid;place-items:center;flex:none;color:var(--muted)}
.icon-btn:hover{color:var(--ink);border-color:var(--muted)}
.icon-btn svg{width:20px;height:20px}
.compose-row .btn{height:46px}
.hint{font-size:12px;color:var(--muted)}
.skill-menu{position:absolute;left:22px;right:22px;bottom:100%;margin-bottom:6px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px color-mix(in srgb,var(--ink) 14%,transparent);max-height:320px;overflow:auto;padding:6px;z-index:5}
.skill-menu button{display:flex;flex-direction:column;align-items:flex-start;gap:1px;width:100%;text-align:left;background:none;border:0;border-radius:8px;padding:8px 10px}
.skill-menu button[aria-selected="true"],.skill-menu button:hover{background:var(--soft)}
.skill-menu strong{font-size:14px}
.skill-menu span{font-size:12.5px;color:var(--muted)}
.banner{margin:12px 22px 0;padding:10px 14px;border-radius:8px;background:var(--soft);font-size:13.5px}
.banner.warn{color:var(--warn)}

/* ---------- admin ---------- */
.admin{display:flex;flex-direction:column;min-height:0;min-width:0;background:var(--panel)}
.admin-head{padding:18px 26px 0;display:flex;flex-direction:column;gap:12px;border-bottom:1px solid var(--line)}
.admin-head h2{margin:0;font:700 22px/1.2 var(--f-display)}
.tabs{display:flex;gap:4px;overflow-x:auto}
.tab{background:none;border:0;border-bottom:2px solid transparent;padding:8px 12px 10px;color:var(--muted);font-weight:500}
.tab[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.admin-body{flex:1;overflow:auto;min-height:0;padding:22px 26px 40px}
.section{display:flex;flex-direction:column;gap:14px;max-width:1000px}
.section h3{margin:0;font:700 17px/1.3 var(--f-display)}
.section-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table.data{border-collapse:collapse;width:100%;font-size:14px}
table.data th{font:500 11px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:11px 12px;background:var(--bg);border-bottom:1px solid var(--line);white-space:nowrap}
table.data td{padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
table.data tr:last-child td{border-bottom:0}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
.status{display:inline-block;font:500 11.5px/1 var(--f-mono);padding:4px 8px;border-radius:999px;border:1px solid currentColor}
.status.on{color:var(--ok)}
.status.off{color:var(--muted)}
.status.admin{color:var(--c-cobalt)}
.actions{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.panel{border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:14px;background:var(--bg)}
.creds{border:1px dashed var(--accent);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:8px;background:var(--panel)}
.creds pre{margin:0;white-space:pre-wrap;font:13px/1.5 var(--f-mono)}

.cw-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:20px;max-width:1150px}
.cw-list{display:flex;flex-direction:column;gap:2px}
.cw-editor{display:flex;flex-direction:column;gap:18px;min-width:0}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.sw{width:28px;height:28px;border-radius:50%;border:2px solid transparent;background:var(--who)}
.sw[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 2px var(--panel)}
.skill-rows{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.skill-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--panel)}
.skill-row:last-child{border-bottom:0}
.skill-row strong{font-size:14px}
.skill-row .desc{font-size:12.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.files{display:flex;flex-direction:column;gap:6px}
.file-row{display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:13.5px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.file-row span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.check{display:flex;gap:8px;align-items:center;font-size:14px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.stat{border:1px solid var(--line);border-radius:var(--r);padding:14px;background:var(--bg)}
.stat b{display:block;font:700 24px/1.1 var(--f-display);font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--muted)}
.bar{height:6px;border-radius:3px;background:var(--soft);overflow:hidden;min-width:60px}
.bar i{display:block;height:100%;background:var(--accent)}

/* sheet + toast */
.sheet-wrap{position:fixed;inset:0;background:color-mix(in srgb,var(--ink) 35%,transparent);display:grid;place-items:center;padding:16px;z-index:20}
.sheet{background:var(--panel);border:1px solid var(--line);border-radius:14px;width:min(460px,100%);max-height:100%;overflow:auto;padding:22px;display:flex;flex-direction:column;gap:14px}
.sheet h3{margin:0;font:700 19px/1.2 var(--f-display)}
.sheet-foot{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;z-index:30;max-width:calc(100% - 32px)}

@media (max-width:1100px){
  .shell{grid-template-columns:240px minmax(0,1fr)}
  .history{position:fixed;inset:0 auto 0 0;width:min(300px,85vw);z-index:15;box-shadow:0 0 40px color-mix(in srgb,var(--ink) 25%,transparent);background:var(--bg);padding-top:env(safe-area-inset-top,0px)}
  .history:not(.open){display:none}
  .history-toggle{display:inline-block}
  .cw-layout{grid-template-columns:1fr}
  .cw-list{flex-direction:row;overflow-x:auto}
  .cw-list .member{width:auto;grid-template-columns:32px auto}
  .cw-list .member .av{width:32px;height:32px}
}
@media (max-width:720px){
  .shell,.shell.admin-mode{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}
  .rail{border-right:0;border-bottom:1px solid var(--line)}
  .brand{padding:12px 16px 4px;display:flex;align-items:baseline;gap:10px}
  .brand h1{font-size:18px}
  .rail .label{display:none}
  .roster{flex-direction:row;overflow-x:auto;padding:4px 12px 8px;flex:none}
  .member{grid-template-columns:30px auto;width:auto;padding:5px 10px 5px 5px;gap:7px}
  .member .av{width:30px;height:30px;font-size:11px}
  .member .who-role,.member .dot{display:none}
  .rail-foot{flex-direction:row;border:0;padding:0 12px 8px;overflow-x:auto}
  .me-row{display:none}
  .room-head,.feed,.composer{padding-left:16px;padding-right:16px}
  .skill-menu{left:16px;right:16px}
  .banner{margin-left:16px;margin-right:16px}
  .admin-head,.admin-body{padding-left:16px;padding-right:16px}
  .room-title p{white-space:normal}
}
@media (prefers-reduced-motion:reduce){.dot.busy{animation:none}}

/* ---------- tool output in chat ---------- */
.activity{margin-top:8px;font:500 12.5px/1.4 var(--f-mono);color:var(--muted);display:flex;gap:8px;align-items:center}
.activity::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c-ochre);animation:pulse 1.2s ease-in-out infinite;flex:none}
.file-cards{display:flex;flex-direction:column;gap:8px;margin-top:12px;max-width:560px}
.file-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:12px;align-items:center;border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;background:var(--bg)}
.file-icon{font:600 11px/1 var(--f-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--who,var(--accent));border:1px solid currentColor;border-radius:6px;padding:6px 7px}
.file-name{display:flex;flex-direction:column;min-width:0}
.file-name b{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.file-name span{font-size:12px}
.file-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.file-card.image{display:flex;flex-direction:column;gap:0;padding:0;overflow:hidden;margin:0}
.file-card.image img{display:block;width:100%;height:auto;max-height:440px;object-fit:contain;background:var(--soft)}
.file-card.image figcaption{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 12px;font-size:13px}
.file-card.image figcaption span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.msg.report .bubble{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--bg)}
.tool-list{display:flex;flex-direction:column;gap:8px}
a.btn{text-decoration:none;color:inherit;display:inline-flex;align-items:center}
@media (max-width:720px){.file-card{grid-template-columns:auto minmax(0,1fr)}.file-actions{grid-column:1/-1;justify-content:flex-start}}
@media (prefers-reduced-motion:reduce){.activity::before{animation:none}}