:root{
  --ink:#2b3440; --muted:#737d89; --line:#e7eaed; --bg:#f6f7f9; --card:#fff;
  --teal:#1f9d8f; --teal-bg:#e9f5f2; --amber:#c2872a; --amber-bg:#fbf3e3;
  --slate:#8b95a1; --slate-bg:#eef0f2; --red:#c0573f; --green:#1f9d8f;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.app{display:grid;grid-template-columns:222px 1fr 340px;height:100vh;overflow:hidden}
.muted{color:var(--muted)}

/* ── login gate ─────────────────────────────── */
.gate{position:fixed;inset:0;background:linear-gradient(160deg,#eef3f2,#f6f7f9);display:flex;align-items:center;justify-content:center;z-index:50}
.gate-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px 36px;max-width:380px;text-align:center;box-shadow:0 16px 50px rgba(20,30,40,.10)}
.gate-card .brand{justify-content:center;margin:0 0 14px}
.gate-msg{color:#48505a;font-size:13.5px;margin:0 0 18px}
.gate-btn{display:inline-block;text-decoration:none;padding:10px 20px}
.gate-fine{color:var(--muted);font-size:11.5px;margin:16px 0 0}

/* ── left nav ─────────────────────────────── */
.nav{background:#fbfcfd;border-right:1px solid var(--line);padding:18px 14px;overflow-y:auto;display:flex;flex-direction:column}
.brand{font-weight:680;font-size:17px;letter-spacing:-.2px;margin:2px 4px 18px;display:flex;flex-direction:column}
.brand small{font-weight:400;font-size:11px;color:var(--muted);letter-spacing:0;margin-top:1px}
.navsec{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:16px 6px 6px}
.navitem{display:flex;align-items:center;gap:8px;padding:6px 9px;border-radius:7px;color:var(--ink);cursor:pointer;font-size:13px}
.navitem.disabled{color:#b3bac2;cursor:default}
.navitem:not(.disabled):hover{background:#eef1f4}
.navitem.navactive{background:var(--teal-bg);color:#15776c;font-weight:600}
.navitem .dot{width:7px;height:7px;border-radius:50%}
.navitem .soon{margin-left:auto;font-size:9.5px;text-transform:uppercase;letter-spacing:.4px;background:#eef0f2;color:#9aa3ad;border-radius:5px;padding:1px 5px}
.navitem .qmark{display:inline-flex;align-items:center;justify-content:center;width:15px;height:15px;border-radius:50%;background:var(--amber-bg);color:#9a6a1c;font-size:10px;font-weight:800}
.navitem#nav_help{color:#5a626c}
.navitem#nav_help:hover{background:var(--amber-bg);color:#8a5f1a}
.folderlist{margin-top:2px}
.folderitem{display:flex;align-items:center;justify-content:space-between;padding:5px 9px;border-radius:7px;cursor:pointer;font-size:12.5px;color:#48505a}
.folderitem:hover{background:#eef1f4}
.folderitem.active{background:var(--teal-bg);color:#15776c}
.folderitem .fc{font-size:11px;color:#9aa3ad;font-variant-numeric:tabular-nums}
.folderitem.active .fc{color:#1f9d8f}
.navfoot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}
.navfoot img{width:22px;height:22px;border-radius:50%}
.navfoot .lo{margin-left:auto;color:var(--teal);cursor:pointer;text-decoration:none;font-size:11.5px}
.navfoot .lo:hover{text-decoration:underline}

/* ── main (app-shell: fixed header, panes scroll independently) ───────────── */
.main{padding:20px 26px;height:100vh;overflow:hidden;display:flex;flex-direction:column}
.main>.chead,.main>.csub,.main>.docsearch,.main>.banner,.main>.quickcreate,.main>.tdctrls,.main>.tdrow,.main>.tdsec{flex:none}
.main>#qc_banner,.main>#td_banner{flex:none}
.empty{color:var(--muted);margin-top:40px;text-align:center}
.chead{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:4px}
.chead h1{font-size:19px;margin:0;font-weight:650}
.csub{color:var(--muted);font-size:12.5px;margin-bottom:14px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 13px;font-size:13px;cursor:pointer;color:var(--ink)}
.btn:hover{border-color:#cdd3da;background:#fbfcfd}
.btn.primary{background:var(--teal);border-color:var(--teal);color:#fff}
.btn.primary:hover{background:#1b8a7e}
.btn.ghost{color:#8a93a0;border-color:#e2e6ea}
.btn.ghost:hover{color:var(--red);border-color:#e7c3ba}
.btn.sm{padding:5px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:default}

/* search + filter */
.docsearch{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.docsearch input{flex:1;min-width:160px;border:1px solid var(--line);border-radius:9px;padding:8px 11px;font:inherit;font-size:13px}
.docsearch input:focus{outline:none;border-color:var(--teal)}

/* doc layout — both panes fill the remaining height and scroll on their own */
.doclayout{display:flex;gap:14px;flex:1;min-height:0}
.doclist{flex:0 0 318px;overflow-y:auto;overflow-x:hidden;min-height:0;padding-right:3px}
.docgroup{border:1px solid #edf0f2;border-radius:9px;margin-bottom:7px;overflow:hidden;background:#fff}
.docgroup>summary{cursor:pointer;padding:8px 11px;font-weight:650;font-size:12px;color:#48505a;background:#fafbfc;list-style:none;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:1}
.docgroup>summary::-webkit-details-marker{display:none}
.docgroup>summary::before{content:'▸';margin-right:6px;font-size:9px;color:#aab2bb;transition:transform .12s}
.docgroup[open]>summary::before{transform:rotate(90deg)}
.docgroup>summary .gc{font-size:11px;color:#9aa3ad;font-weight:600;margin-left:auto}
.docrow{display:flex;align-items:flex-start;gap:9px;padding:7px 11px;cursor:pointer;border-top:1px solid #f2f4f6}
.docrow:hover{background:var(--teal-bg)}
.docrow.sel{background:var(--teal-bg)}
.docrow .drbody{flex:1;min-width:0}
.docrow .drname{font-size:12.5px;font-weight:600;line-height:1.32;color:#2b3440;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;word-break:break-word}
.docrow .drname b{background:#fbf0cf;color:#7a541a;font-style:normal}
.docrow .drtype{display:inline-block;font-size:9px;text-transform:uppercase;letter-spacing:.3px;font-weight:700;color:#15776c;background:var(--teal-bg);border-radius:4px;padding:1px 5px;margin-right:6px;vertical-align:1.5px}
.docrow .drmeta{font-size:10.5px;color:#9aa3ad;margin-top:2px;font-variant-numeric:tabular-nums;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.docrow .dsz{font-size:10.5px;color:#aab2bb;font-variant-numeric:tabular-nums;flex:none;padding-top:1px}
.nohits{padding:10px;color:var(--muted);font-size:12.5px}

.docview{flex:1;min-width:0;border:1px solid var(--line);border-radius:10px;background:#fff;overflow:auto;min-height:0;display:flex;flex-direction:column}
.docbar{position:sticky;top:0;display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);background:#fff;z-index:1}
.docbar .dp{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:600 12px ui-monospace,Menlo,monospace;color:var(--muted)}
.docpre{margin:0;padding:12px 14px;white-space:pre-wrap;word-break:break-word;font:12px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;color:#2b2f36}
.docedit{flex:1;width:100%;border:0;border-top:1px solid var(--line);padding:12px 14px;font:12.5px/1.6 ui-monospace,Menlo,monospace;resize:none;outline:none;min-height:60vh}
.viewplace{padding:14px;color:var(--muted)}

/* diff */
.diffwrap{border:1px solid var(--line);border-radius:9px;overflow:auto;background:#fbfcfd;margin:6px 0}
.diff{margin:0;padding:10px 12px;font:11.5px/1.5 ui-monospace,Menlo,monospace;white-space:pre;min-width:max-content}
.diff .da{color:#1f9d8f;background:#eafaf4;display:block}
.diff .dd{color:#b4452f;background:#fdeee9;display:block}
.diff .dh{color:#7a6cc0;display:block}
.diff .dc{color:#8b95a1;display:block}

/* banners */
.banner{border-radius:8px;padding:8px 11px;font-size:12.5px;margin:8px 0}
.banner.err{background:#fbeae6;color:#9a3b29;border:1px solid #f0cabf}
.banner.ok{background:var(--teal-bg);color:#15776c;border:1px solid #c6e7df}
.banner.warn{background:var(--amber-bg);color:#8a5f1a;border:1px solid #ecd9b3}

/* ── chat ─────────────────────────────────── */
.chat{background:#fbfcfd;border-left:1px solid var(--line);display:flex;flex-direction:column;height:100vh}
.chat h2{font-size:13px;margin:0;padding:15px 16px 10px;font-weight:620;border-bottom:1px solid var(--line)}
.chat h2 small{font-weight:400;color:var(--muted);display:block;font-size:11px;margin-top:2px}
.msgs{flex:1;overflow-y:auto;padding:14px 16px;display:flex;flex-direction:column;gap:11px}
.msg{font-size:13px;line-height:1.5;max-width:94%}
.msg.user{align-self:flex-end;background:var(--teal);color:#fff;padding:8px 12px;border-radius:12px 12px 3px 12px;white-space:pre-wrap}
.msg.bot{align-self:flex-start;color:var(--ink);white-space:pre-wrap}
.msg.bot .act{display:block;font-size:11px;color:var(--muted);margin-top:5px;border-left:2px solid var(--teal);padding-left:7px;white-space:normal}
.msg.sys{align-self:center;color:var(--muted);font-size:11.5px;font-style:italic;text-align:center}
.cin{border-top:1px solid var(--line);padding:11px;display:flex;gap:7px}
.cin textarea{flex:1;resize:none;border:1px solid var(--line);border-radius:9px;padding:8px 10px;font:inherit;font-size:13px;height:38px;max-height:120px}
.cin button{border:none;background:var(--teal);color:#fff;border-radius:9px;padding:0 14px;cursor:pointer;font-size:13px}
.cin button:disabled{opacity:.5;cursor:default}

/* proposal card (in chat) */
.prop{align-self:stretch;max-width:100%;border:1px solid #e4d9b8;border-radius:11px;background:#fffdf6;overflow:hidden}
.prop .ph{display:flex;align-items:center;gap:7px;padding:8px 11px;background:var(--amber-bg);border-bottom:1px solid #ecddb5}
.prop .pk{font-size:10px;text-transform:uppercase;letter-spacing:.4px;font-weight:700;color:#8a5f1a;background:#fff;border:1px solid #ecddb5;border-radius:5px;padding:1px 6px}
.prop .pt{font-size:12.5px;font-weight:600;color:#5d4a1d;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prop .pbody{padding:9px 11px}
.prop .pwarn{font-size:11.5px;color:#8a5f1a;background:#fff7e6;border:1px solid #ecddb5;border-radius:7px;padding:6px 8px;margin:0 0 8px}
.prop .pact{display:flex;gap:7px;justify-content:flex-end}
.prop .pact .btn{font-size:12px;padding:6px 12px}
.prop .pmeta{font-size:11px;color:var(--muted);margin-top:6px}
.prop.done{opacity:.92}
.prop.done .ph{background:var(--teal-bg);border-color:#c6e7df}
.prop.done .pk{color:#15776c;border-color:#c6e7df}

.spin{display:inline-block;width:12px;height:12px;border:2px solid #bbb;border-top-color:transparent;border-radius:50%;animation:s .7s linear infinite;vertical-align:-1px}
@keyframes s{to{transform:rotate(360deg)}}

/* ── tickets board ─────────────────────────── */
.ffsec{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin:12px 6px 4px;font-weight:600}
.grouptoggle{display:inline-flex;gap:2px;background:#eef0f2;border-radius:8px;padding:2px;margin-left:auto}
.grouptoggle .gt{border:0;background:transparent;border-radius:6px;padding:4px 11px;font:600 12px -apple-system,sans-serif;color:#6b7480;cursor:pointer;text-transform:capitalize}
.grouptoggle .gt.on{background:#fff;color:#15776c;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.quickcreate{display:flex;gap:7px;margin-bottom:10px;flex-wrap:wrap}
.quickcreate input{flex:1;min-width:180px;border:1px solid var(--line);border-radius:9px;padding:8px 11px;font:inherit;font-size:13px}
.quickcreate input:focus{outline:none;border-color:var(--teal)}
.quickcreate select{border:1px solid var(--line);border-radius:9px;padding:0 8px;font:inherit;font-size:12.5px;background:#fff}
.board{display:flex;gap:13px;flex:1;min-height:0;overflow-x:auto;padding-bottom:4px}
.bcol{flex:1 0 250px;max-width:340px;display:flex;flex-direction:column;min-height:0;background:#f3f5f7;border-radius:11px;padding:5px}
.bcolh{font:650 12px -apple-system,sans-serif;color:#48505a;padding:7px 9px 8px;display:flex;align-items:center;gap:7px;text-transform:capitalize}
.bcolh .bcount{font-size:11px;color:#9aa3ad;font-weight:700}
.bcards{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:7px;padding:0 3px 3px}
.bempty{color:#b3bac2;font-size:12px;text-align:center;padding:14px 0}
.tcard{background:#fff;border:1px solid #e6e9ed;border-radius:9px;padding:9px 10px;cursor:pointer;display:flex;flex-direction:column;gap:6px}
.tcard:hover{border-color:var(--teal);box-shadow:0 1px 4px rgba(20,30,40,.06)}
.tctop{display:flex;align-items:center;gap:6px}
.tchip{font-size:9.5px;text-transform:uppercase;letter-spacing:.3px;font-weight:700;color:var(--tc,#8b949e);background:color-mix(in srgb,var(--tc,#8b949e) 13%,#fff);border-radius:5px;padding:1px 6px}
.tsub{font-size:10.5px;color:#8b95a1;font-variant-numeric:tabular-nums;margin-left:auto}
.tctitle{font-size:13px;font-weight:600;line-height:1.34;color:#2b3440;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tcfoot{display:flex;align-items:center;gap:8px;font-size:11px}
.tnum{color:#9aa3ad;font:600 11px ui-monospace,monospace;text-decoration:none}
.tnum:hover{color:var(--teal)}
.tparent{color:#b3bac2;font:11px ui-monospace,monospace}
.tavs{margin-left:auto;display:flex;gap:-4px}
.tav{width:20px;height:20px;border-radius:50%;border:1.5px solid #fff;margin-left:-5px}
.tcact{display:flex}
.tcact .tstatus{flex:1;border:1px solid #eceef1;border-radius:7px;padding:3px 6px;font:600 11px -apple-system,sans-serif;color:#5a626c;background:#fafbfc;cursor:pointer}
/* ticket detail */
.tdctrls{display:flex;gap:18px;flex-wrap:wrap;align-items:center;background:#fbfcfd;border:1px solid var(--line);border-radius:10px;padding:11px 14px;margin-bottom:12px}
.tdctrls label{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.tdctrls select{border:1px solid var(--line);border-radius:8px;padding:5px 8px;font:inherit;font-size:12.5px;background:#fff}
.asgrow{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.asgrow>span{font-size:12px;color:var(--muted)}
.achip{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:16px;padding:3px 10px 3px 4px;background:#fff;cursor:pointer;font-size:12px;color:#5a626c}
.achip img{width:18px;height:18px;border-radius:50%}
.achip.on{border-color:var(--teal);background:var(--teal-bg);color:#15776c;font-weight:600}
.tdscroll{flex:1;min-height:0;overflow:auto;padding-right:2px}
.tdbody{border:1px solid var(--line);border-radius:10px;background:#fff;margin-bottom:14px}
.tdsec{font:650 13px -apple-system,sans-serif;margin:6px 0 8px}
.tchild{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid #eceef1;border-radius:8px;background:#fff;margin-bottom:6px;cursor:pointer;font-size:12.5px}
.tchild:hover{border-color:var(--teal)}
.tchild .tcn{font:600 11px ui-monospace,monospace;color:#9aa3ad}
.tcst{margin-left:auto;font-size:10px;text-transform:uppercase;letter-spacing:.3px;color:#15776c;background:var(--teal-bg);border-radius:5px;padding:1px 6px}
.tcst.closed{color:#8b95a1;background:#eef0f2}
.addchild{display:flex;gap:7px;margin-top:8px}
.addchild input{flex:1;border:1px solid var(--line);border-radius:8px;padding:7px 10px;font:inherit;font-size:12.5px}
.addchild select{border:1px solid var(--line);border-radius:8px;padding:0 8px;font:inherit;font-size:12px;background:#fff}
.tdrow{font-size:12.5px;margin:0 0 12px;color:#48505a}
.tdrow a{color:var(--teal);text-decoration:none}

/* ── clients pillar (read-only) ───────────────── */
.folderitem .cli{display:flex;align-items:center;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.folderitem .cdot{flex:none;width:7px;height:7px;border-radius:50%;margin-right:7px}
.folderitem .fc{text-transform:capitalize;flex:none;padding-left:6px}
.cstatus{font-size:10.5px;text-transform:uppercase;letter-spacing:.4px;font-weight:700;color:var(--cs,#8b95a1);background:color-mix(in srgb,var(--cs,#8b95a1) 14%,#fff);border:1px solid color-mix(in srgb,var(--cs,#8b95a1) 34%,#fff);border-radius:6px;padding:2px 9px}
.surfrow{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin:-6px 0 14px}
.surfrow .surflbl{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);margin-right:2px}
.surfchip{font-size:10.5px;font-weight:600;color:#48505a;background:#eef1f4;border:1px solid #e2e6ea;border-radius:12px;padding:2px 9px}