:root{
  --bg:#ffffff; --sidebar:#fafafb; --surface:#ffffff; --soft:#f6f6f8; --border:#e7e7ec; --border-strong:#d6d6de;
  --text:#1e1f24; --muted:#656972; --faint:#9a9ea7; --accent:#7b68ee; --accent-soft:#efedfd; --hover:#f1f1f4;
  --danger:#dc2626; --ok:#16a34a; --warn:#b45309; --shadow:0 12px 40px rgba(20,20,40,.16); --overlay:rgba(15,15,25,.45);
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#16171a; --sidebar:#1b1c20; --surface:#1f2025; --soft:#25262b; --border:#2d2f35; --border-strong:#3a3c44;
    --text:#e6e7ea; --muted:#a3a6ae; --faint:#73777f; --accent:#9183ff; --accent-soft:#2a2745; --hover:#26272d;
    --shadow:0 12px 40px rgba(0,0,0,.5); --overlay:rgba(0,0,0,.6); color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#16171a; --sidebar:#1b1c20; --surface:#1f2025; --soft:#25262b; --border:#2d2f35; --border-strong:#3a3c44;
  --text:#e6e7ea; --muted:#a3a6ae; --faint:#73777f; --accent:#9183ff; --accent-soft:#2a2745; --hover:#26272d;
  --shadow:0 12px 40px rgba(0,0,0,.5); --overlay:rgba(0,0,0,.6); color-scheme:dark;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:13px/1.45 "Segoe UI",-apple-system,Inter,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit;color:inherit}
button:disabled{opacity:.55;cursor:default}
svg.i{width:15px;height:15px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#app{display:grid;grid-template-columns:250px minmax(0,1fr);height:100vh}
.boot{grid-column:1/-1;display:grid;place-items:center;color:var(--muted)}

/* sidebar */
.sidebar{background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0}
.sb-top{padding:14px 14px 10px;display:flex;align-items:center;gap:9px;font-weight:700;font-size:14px}
.logo{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#7b68ee,#c56cf0);color:#fff;display:grid;place-items:center;font-size:11px;font-weight:800;flex:none}
.sb-scroll{flex:1;overflow:auto;padding:2px 8px 10px}
.sb-item{display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:6px;cursor:pointer;user-select:none;width:100%;border:0;background:none;text-align:left;min-height:30px}
.sb-item:hover{background:var(--hover)}
.sb-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.sb-item .cnt{margin-left:auto;color:var(--faint);font-size:11px}
.sb-item .tw{width:14px;display:grid;place-items:center;color:var(--faint)}
.sb-item .tw svg{width:12px;height:12px;transition:transform .15s}
.sb-item .tw.open svg{transform:rotate(90deg)}
.sb-item .lbl{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sb-empty{padding:4px 8px 4px 44px;color:var(--faint);font-size:12px}
.badge{margin-left:auto;background:var(--danger);color:#fff;border-radius:999px;font-size:10.5px;font-weight:700;min-width:18px;height:18px;padding:0 5px;display:grid;place-items:center}
.sb-label{font-size:11px;color:var(--faint);padding:14px 8px 4px;display:flex;align-items:center;justify-content:space-between;font-weight:600;letter-spacing:.03em;text-transform:uppercase}
.sb-bottom{border-top:1px solid var(--border);padding:8px;display:flex;flex-direction:column;gap:2px}
.avatar{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:10.5px;font-weight:700;flex:none;background:var(--c,#888)}
.avatar.lg{width:30px;height:30px;font-size:12px}

/* main */
.main{display:flex;flex-direction:column;min-width:0;min-height:0}
.topbar{display:flex;align-items:center;gap:10px;padding:12px 22px 0}
.crumbs{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12.5px;flex-wrap:wrap}
.crumbs b{color:var(--text);font-weight:600}
.page-title{font-size:20px;font-weight:700;padding:6px 22px 0;margin:0}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 22px;border-bottom:1px solid var(--border)}
.search{display:flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:7px;padding:0 9px;height:32px;background:var(--surface);min-width:240px;color:var(--faint)}
.search input{border:0;outline:0;background:none;height:100%;width:100%;color:var(--text)}
.sel{height:32px;border:1px solid var(--border);border-radius:7px;background:var(--surface);padding:0 8px;cursor:pointer;max-width:100%}
.btn{height:32px;display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--surface);border-radius:7px;padding:0 11px;cursor:pointer;white-space:nowrap;text-decoration:none;color:inherit}
.btn:hover{background:var(--hover)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{filter:brightness(1.07)}
.btn.danger{color:var(--danger)}
.btn.sm{height:28px;padding:0 9px;font-size:12px}
.btn.block{width:100%;justify-content:center;height:38px}
.icon-btn{width:28px;height:28px;display:inline-grid;place-items:center;border:0;background:none;border-radius:6px;cursor:pointer;color:var(--muted);flex:none;text-decoration:none}
.icon-btn:hover{background:var(--hover);color:var(--text)}
.spacer{flex:1}
.content{flex:1;overflow:auto;padding:8px 22px 40px}

/* list groups */
.group{margin-top:18px}
.group-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.group-head .tw{cursor:pointer;border:0;background:none;color:var(--muted);display:grid;place-items:center;width:20px;height:20px;border-radius:4px}
.group-head .tw:hover{background:var(--hover)}
.group-head .tw svg{width:13px;height:13px;transform:rotate(90deg);transition:transform .15s}
.group-head .tw.closed svg{transform:none}
.pill{display:inline-flex;align-items:center;gap:6px;background:var(--c);color:#fff;font-weight:700;font-size:11px;letter-spacing:.03em;text-transform:uppercase;border-radius:5px;padding:3px 8px;border:0;cursor:pointer;white-space:nowrap}
.count{color:var(--faint);font-size:12px}
.tbl-wrap{overflow-x:auto}
table.tbl{border-collapse:collapse;width:100%;table-layout:fixed;min-width:760px}
.tbl th{font-weight:500;color:var(--faint);font-size:11.5px;text-align:left;padding:6px 10px;border-bottom:1px solid var(--border);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;user-select:none}
.tbl th[draggable]{cursor:grab}
.tbl td{padding:0 10px;height:36px;border-bottom:1px solid var(--border);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;position:relative}
.tbl tbody tr{cursor:pointer}
.tbl tbody tr:hover td{background:var(--soft)}
.tbl td.name{font-weight:500}
.tbl td .cell-copy{position:absolute;right:4px;top:50%;transform:translateY(-50%);display:none;background:var(--surface);border:1px solid var(--border)}
.tbl td:hover .cell-copy{display:inline-grid}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--c);margin-right:9px;vertical-align:middle;box-shadow:0 0 0 2px color-mix(in srgb,var(--c) 25%,transparent)}
.add-row{display:flex;align-items:center;gap:6px;color:var(--faint);padding:8px 10px;cursor:pointer;border:0;background:none}
.add-row:hover{color:var(--text)}
.empty{padding:60px 20px;text-align:center;color:var(--muted)}
.drop-before{box-shadow:inset 0 2px 0 var(--accent)!important}
.drop-after{box-shadow:inset 0 -2px 0 var(--accent)!important}
th.drop-before{box-shadow:inset 2px 0 0 var(--accent)!important}
th.drop-after{box-shadow:inset -2px 0 0 var(--accent)!important}
.muted{color:var(--faint)}

/* popovers / modals */
.pop-wrap{position:relative;display:inline-block}
.popover{position:absolute;top:calc(100% + 6px);left:0;z-index:60;background:var(--surface);border:1px solid var(--border);border-radius:9px;box-shadow:var(--shadow);padding:6px;min-width:220px}
.popover.right{left:auto;right:0}
.popover.up{top:auto;bottom:calc(100% + 6px)}
.pop-item{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:6px;cursor:pointer;border:0;background:none;width:100%;text-align:left}
.pop-item:hover{background:var(--hover)}
.pop-title{font-size:11px;color:var(--faint);padding:4px 8px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.grip{cursor:grab;color:var(--faint);display:grid;place-items:center;width:18px;height:22px;border-radius:4px}
.grip:hover{background:var(--hover);color:var(--text)}
.grip svg{width:14px;height:14px}
.overlay{position:fixed;inset:0;background:var(--overlay);display:flex;justify-content:center;align-items:stretch;padding:22px;z-index:30}
.modal-bg{position:fixed;inset:0;background:var(--overlay);display:grid;place-items:center;z-index:70;padding:16px}
.modal{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);width:min(460px,100%);padding:20px;max-height:90vh;overflow:auto}
.modal.wide{width:min(900px,100%);height:min(85vh,900px);display:flex;flex-direction:column}
.modal h3{margin:0 0 14px;font-size:16px}
.modal p{margin:0 0 12px;color:var(--muted)}
.form-row{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.form-row label{font-size:12px;color:var(--muted);font-weight:600}
.inp{height:34px;border:1px solid var(--border);border-radius:7px;background:var(--surface);padding:0 10px;width:100%}
.inp:focus,.sel:focus{outline:none;border-color:var(--accent)}
.inp.code{font-size:20px;letter-spacing:.3em;text-align:center;height:44px;font-variant-numeric:tabular-nums}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
.err{color:var(--danger);font-size:12.5px;margin:0 0 10px}
.codes{display:grid;grid-template-columns:1fr 1fr;gap:6px;font-family:Consolas,Menlo,monospace;font-size:14px;background:var(--soft);border:1px solid var(--border);border-radius:8px;padding:12px;margin:10px 0}
.qr{display:grid;place-items:center;padding:10px;background:#fff;border-radius:8px;width:fit-content;margin:6px auto 10px}
.secret-key{font-family:Consolas,Menlo,monospace;background:var(--soft);border:1px solid var(--border);border-radius:6px;padding:6px 8px;word-break:break-all;font-size:12.5px}

/* login */
.login-wrap{position:fixed;inset:0;display:grid;place-items:center;background:var(--soft);padding:16px;overflow:auto}
.login{width:min(380px,100%);background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:28px}
.login h1{font-size:20px;margin:14px 0 4px}
.login .sub{color:var(--muted);margin-bottom:18px}
.link-btn{border:0;background:none;color:var(--accent);cursor:pointer;padding:0;margin-top:12px}

/* company card */
.card{background:var(--surface);border-radius:12px;width:min(1320px,100%);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow)}
.card-top{display:flex;align-items:center;gap:10px;padding:10px 16px;border-bottom:1px solid var(--border)}
.card-body{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 370px;min-height:0}
.card-main{overflow:auto;padding:22px 38px 60px}
.title-input{font-size:24px;font-weight:700;border:1px solid transparent;border-radius:7px;background:none;width:100%;padding:4px 8px;margin-left:-8px}
.title-input:hover:not(:disabled){border-color:var(--border)}
.title-input:focus{outline:none;border-color:var(--accent)}
.title-input:disabled{opacity:1}
.props{display:grid;grid-template-columns:120px 1fr;gap:10px 12px;align-items:center;margin:16px 0 8px}
.prop-l{display:flex;align-items:center;gap:8px;color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:4px;border-radius:5px;padding:2px 8px;font-size:12px;font-weight:600;background:color-mix(in srgb,var(--c) 16%,transparent);color:var(--c)}
.tag.rm{padding-right:4px}
.tag button{border:0;background:none;color:inherit;cursor:pointer;padding:0 2px;display:grid;place-items:center;opacity:.7}
.tag button svg{width:11px;height:11px}
.tag-input{border:1px dashed var(--border-strong);border-radius:5px;background:none;height:24px;padding:0 8px;width:110px;font-size:12px}
.tag-input:focus{outline:none;border-color:var(--accent);border-style:solid}
.desc{width:100%;border:1px solid transparent;border-radius:8px;background:none;padding:10px;resize:none;min-height:60px;line-height:1.55;margin-left:-10px}
.desc:hover:not(:disabled){border-color:var(--border)}
.desc:focus{outline:none;border-color:var(--accent)}
.desc:disabled{opacity:1}
.section{margin-top:22px}
.sec-h{display:flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;margin-bottom:6px;flex-wrap:wrap}
.sec-h .hint{font-weight:400;color:var(--faint);font-size:12px}
.frow{display:grid;grid-template-columns:20px 190px minmax(0,1fr) 30px;align-items:start;gap:6px;border-bottom:1px solid var(--border);padding:4px 0}
.frow .flabel{display:flex;align-items:center;gap:8px;color:var(--muted);padding-top:7px}
.frow .flabel svg{color:var(--faint)}
.frow > .grip, .frow > .icon-btn{margin-top:4px}
.fin{width:100%;border:1px solid transparent;background:transparent;padding:6px 8px;border-radius:6px;min-height:32px}
.fin:hover:not(:disabled){border-color:var(--border)}
.fin:focus{outline:none;border-color:var(--accent);background:var(--surface)}
.fin:disabled{color:var(--text);opacity:1;cursor:default}
.fin::placeholder{color:var(--faint)}
.with-btns{display:flex;align-items:center;gap:2px}
.addr{display:flex;flex-direction:column;gap:6px;padding:4px 0}
.addr-full{border-color:var(--border);background:var(--soft);font-weight:500}
.addr-full:focus{background:var(--surface)}
.addr-grid{display:grid;grid-template-columns:110px minmax(0,1fr) 30px;align-items:center;gap:2px 6px}
.addr-grid .k{color:var(--faint);font-size:12px;padding-left:8px}
.secret{letter-spacing:.12em}
.noaccess{color:var(--faint);padding:7px 8px;display:flex;align-items:center;gap:6px}
.files{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:10px;margin-top:10px}
.file{border:1px solid var(--border);border-radius:9px;overflow:hidden;background:var(--soft);display:flex;flex-direction:column}
.file .thumb{height:96px;display:grid;place-items:center;color:var(--faint);cursor:pointer;background:var(--soft);overflow:hidden}
.file .thumb img{width:100%;height:100%;object-fit:cover}
.file .thumb svg{width:30px;height:30px}
.file .meta{display:flex;align-items:center;gap:2px;padding:6px 4px 6px 9px;background:var(--surface);border-top:1px solid var(--border)}
.file .meta .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}
.file .meta .sz{color:var(--faint);font-size:11px}
.dropzone{border:1.5px dashed var(--border-strong);border-radius:9px;padding:14px;text-align:center;color:var(--muted);cursor:pointer}
.dropzone.over,.dropzone:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.card-side{border-left:1px solid var(--border);display:flex;flex-direction:column;min-height:0;background:var(--sidebar)}
.side-tabs{display:flex;gap:4px;padding:10px 12px;border-bottom:1px solid var(--border)}
.side-tab{border:0;background:none;padding:5px 10px;border-radius:6px;cursor:pointer;color:var(--muted)}
.side-tab.active{background:var(--surface);color:var(--text);font-weight:600;box-shadow:0 0 0 1px var(--border)}
.feed{flex:1;overflow:auto;padding:12px 14px;display:flex;flex-direction:column;gap:10px}
.act{font-size:12px;color:var(--muted);display:flex;gap:6px;align-items:baseline;padding-left:4px}
.act span:first-child{min-width:0;overflow-wrap:anywhere}
.act b{color:var(--text);font-weight:600}
.act .t{margin-left:auto;color:var(--faint);white-space:nowrap;font-size:11px}
.cmt{display:flex;gap:9px}
.cmt .bubble{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:8px 10px;flex:1;min-width:0}
.cmt .bubble.mine{background:var(--accent-soft)}
.cmt .who{display:flex;gap:8px;align-items:baseline;font-weight:600;margin-bottom:2px}
.cmt .who .t{color:var(--faint);font-size:11px;font-weight:400}
.cmt .txt{white-space:pre-wrap;overflow-wrap:anywhere}
.mention{color:var(--accent);background:var(--accent-soft);border-radius:4px;padding:0 3px;font-weight:600}
.composer{border-top:1px solid var(--border);padding:10px 12px;position:relative}
.composer textarea{width:100%;border:1px solid var(--border);border-radius:9px;background:var(--surface);padding:9px 10px;resize:none;height:64px}
.composer textarea:focus{outline:none;border-color:var(--accent)}
.composer .row{display:flex;align-items:center;justify-content:space-between;margin-top:6px;color:var(--faint);font-size:11.5px}
.mention-pop{position:absolute;bottom:calc(100% - 6px);left:12px;background:var(--surface);border:1px solid var(--border);border-radius:9px;box-shadow:var(--shadow);padding:5px;min-width:200px;z-index:5}

/* messages */
.msg-layout{display:grid;grid-template-columns:290px minmax(0,1fr);flex:1;min-height:0}
.conv-list{border-right:1px solid var(--border);overflow:auto;padding:8px}
.conv{display:flex;align-items:center;gap:10px;padding:8px;border-radius:8px;cursor:pointer;border:0;background:none;width:100%;text-align:left}
.conv:hover{background:var(--hover)}
.conv.active{background:var(--accent-soft)}
.conv .nm{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.conv .pv{color:var(--faint);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.thread{display:flex;flex-direction:column;min-height:0}
.thread-head{padding:12px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px}
.thread-body{flex:1;overflow:auto;padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.thread-input{border-top:1px solid var(--border);padding:12px 18px;display:flex;gap:8px;align-items:flex-end}
.thread-input textarea{flex:1;border:1px solid var(--border);border-radius:9px;background:var(--surface);padding:9px 11px;resize:none;height:42px}
.thread-input textarea:focus{outline:none;border-color:var(--accent)}

/* settings */
.tabs{display:flex;gap:4px;padding:12px 22px 0;border-bottom:1px solid var(--border);overflow-x:auto}
.tab{border:0;background:none;padding:8px 12px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tab.active{color:var(--text);border-bottom-color:var(--accent);font-weight:600}
.set-list{max-width:820px}
.set-row{display:grid;grid-template-columns:22px minmax(0,1fr) 170px 34px;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--border)}
.set-row.status{grid-template-columns:22px 40px minmax(0,1fr) 34px}
.color-in{width:34px;height:28px;border:1px solid var(--border);border-radius:6px;padding:2px;background:var(--surface);cursor:pointer}
.note{background:var(--accent-soft);color:var(--text);border-radius:9px;padding:10px 12px;margin:12px 0;font-size:12.5px;max-width:1000px}
.role{font-size:10.5px;padding:1px 6px;border-radius:4px;background:var(--soft);color:var(--muted);border:1px solid var(--border);font-weight:600;white-space:nowrap}
.role.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent)}
.role.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,transparent)}
.role.bad{color:var(--danger);border-color:color-mix(in srgb,var(--danger) 40%,transparent)}
.users-tbl{width:100%;max-width:1100px;border-collapse:collapse}
.users-tbl td,.users-tbl th{padding:6px 6px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}
.users-tbl th{font-weight:500;color:var(--faint);font-size:11.5px}
.users-tbl .inp{height:30px}
.users-tbl tr.inactive td{opacity:.55}
.audit-tbl{width:100%;border-collapse:collapse;font-size:12.5px}
.audit-tbl td,.audit-tbl th{padding:6px 8px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.audit-tbl th{color:var(--faint);font-weight:500}
.audit-tbl td.detail{overflow-wrap:anywhere}
.account-box{border:1px solid var(--border);border-radius:10px;padding:14px;margin-bottom:12px}
.account-box h4{margin:0 0 6px;font-size:13.5px;display:flex;align-items:center;gap:8px}

#toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:#1e1f24;color:#fff;padding:8px 14px;border-radius:8px;font-size:12.5px;opacity:0;pointer-events:none;transition:.18s;z-index:100;max-width:calc(100% - 32px)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.err{background:var(--danger)}
.mobile-only{display:none}

@media (max-width: 860px){
  #app{grid-template-columns:1fr}
  .sidebar{position:fixed;inset:0 auto 0 0;width:260px;z-index:40;transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:none;box-shadow:var(--shadow)}
  .mobile-only{display:inline-grid}
  .topbar,.toolbar,.content,.page-title{padding-left:16px;padding-right:16px}
  .tabs{padding-left:16px;padding-right:16px}
  .search{min-width:0;flex:1 1 100%}
  .overlay{padding:0}
  .card{border-radius:0}
  .card-body{grid-template-columns:1fr;overflow:auto}
  .card-main{overflow:visible;padding:16px}
  .card-side{border-left:0;border-top:1px solid var(--border);min-height:420px}
  .frow{grid-template-columns:20px minmax(0,1fr) 30px}
  .frow .flabel{grid-column:2/4;padding-top:2px}
  .frow .fval{grid-column:1/3}
  .msg-layout{grid-template-columns:1fr}
  .conv-list{max-height:200px;border-right:0;border-bottom:1px solid var(--border)}
  .users-tbl{display:block;overflow-x:auto}
}