:root{
  --bg:#f5f6f8;--panel:#fff;--panel2:#f9fafb;--line:#e5e7eb;--text:#111827;--muted:#6b7280;
  --brand:#4f46e5;--brand2:#eef2ff;--ok:#059669;--okbg:#ecfdf5;--warn:#b45309;--warnbg:#fffbeb;
  --bad:#dc2626;--badbg:#fef2f2;--tg:#2aabee;--radius:12px;--shadow:0 1px 2px rgba(0,0,0,.05),0 1px 3px rgba(0,0,0,.06);
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b0f17;--panel:#121826;--panel2:#0f1520;--line:#243044;--text:#e5e7eb;--muted:#94a3b8;
  --brand:#818cf8;--brand2:#1e1b4b;--okbg:#052e22;--ok:#34d399;--warnbg:#2d1d05;--warn:#fbbf24;--badbg:#2d0a0a;--bad:#f87171;--shadow:none}
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:'Inter','Hind Siliguri',system-ui,-apple-system,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}
body.bn{font-family:'Hind Siliguri','Inter',system-ui,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--brand)}
.hidden{display:none!important}
.app{display:flex;min-height:100vh}
.side{width:252px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.logo{display:flex;align-items:center;gap:10px;padding:18px 18px 12px;font-weight:700;font-size:18px}
.logo .mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#4f46e5,#06b6d4);display:grid;place-items:center;color:#fff;font-size:16px;flex-shrink:0}
.logo small{display:block;font-weight:500;font-size:12px;color:var(--muted)}
.nav{padding:6px 10px 16px;display:flex;flex-direction:column;gap:2px}
.nav .grp{font-size:11.5px;color:var(--muted);padding:12px 10px 4px;font-weight:600;letter-spacing:.02em;text-transform:uppercase}
body.bn .nav .grp{text-transform:none}
.nav a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;color:var(--text);text-decoration:none;font-weight:500}
.nav a:hover{background:var(--panel2)}
.nav a.on{background:var(--brand2);color:var(--brand)}
.nav a .ic{width:20px;text-align:center}
.nav a .cnt{margin-left:auto;background:var(--bad);color:#fff;font-size:11px;border-radius:99px;padding:0 7px}
.side .me{margin-top:auto;padding:14px 18px;border-top:1px solid var(--line);display:flex;gap:10px;align-items:center;font-size:13.5px}
.av{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:600;font-size:13px;flex-shrink:0}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:12px;padding:14px 24px;border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:5}
.top h1{font-size:19px;margin:0;font-weight:700}
.top .sub{color:var(--muted);font-size:13px}
.top .sp{flex:1}
.burger{display:none;background:none;border:0;font-size:22px;cursor:pointer;padding:4px 8px}
.lang{display:flex;border:1px solid var(--line);border-radius:99px;overflow:hidden}
.lang button{border:0;background:none;padding:3px 10px;cursor:pointer;font-size:13px}
.lang button.on{background:var(--brand);color:#fff}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:3px 10px;border-radius:99px;background:var(--okbg);color:var(--ok);font-weight:600;white-space:nowrap}
.pill.warn{background:var(--warnbg);color:var(--warn)}.pill.bad{background:var(--badbg);color:var(--bad)}.pill.gray{background:var(--panel2);color:var(--muted);border:1px solid var(--line)}
.pill.brand{background:var(--brand2);color:var(--brand)}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor}
.content{padding:22px 24px 60px;max-width:1260px;width:100%}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.mt{margin-top:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);min-width:0}
.card h3{margin:0 0 4px;font-size:16px}
.hint{color:var(--muted);font-size:13px;margin:0 0 12px}
.stat .k{color:var(--muted);font-size:13px}.stat .v{font-size:26px;font-weight:700;margin-top:2px}.stat .d{font-size:12.5px;color:var(--muted)}
.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.wrap{flex-wrap:wrap}
.btn{border:1px solid var(--line);background:var(--panel);padding:7px 14px;border-radius:9px;cursor:pointer;font-weight:600;font-size:14px;white-space:nowrap;text-decoration:none;color:var(--text);display:inline-flex;align-items:center;gap:6px}
.btn:hover{background:var(--panel2)}
.btn:disabled{opacity:.55;cursor:default}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.danger{color:var(--bad)}
.btn.sm{padding:4px 10px;font-size:13px}
.list{display:flex;flex-direction:column}
.li{display:flex;gap:12px;align-items:center;padding:11px 0;border-top:1px solid var(--line)}
.li:first-child{border-top:0}
.li .t{font-weight:600}.li .s{font-size:13px;color:var(--muted)}
.grow{flex:1;min-width:0}
.ellip{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag{display:inline-block;font-size:12px;padding:1px 8px;border-radius:6px;background:var(--panel2);border:1px solid var(--line);margin:2px 4px 2px 0;color:var(--muted)}
.tag.b{background:var(--brand2);border-color:transparent;color:var(--brand)}
label.tag{cursor:pointer}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:10px 8px;border-top:1px solid var(--line);vertical-align:middle}
th{font-size:12.5px;color:var(--muted);font-weight:600;border-top:0}
.tblwrap{overflow-x:auto}
select,input[type=text],input[type=password],input[type=number],input[type=time],input[type=email],input[type=datetime-local],textarea{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:7px 10px;min-width:0;max-width:100%}
textarea{width:100%;resize:vertical}
select:focus,input:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:-1px}
.sw{position:relative;width:40px;height:23px;flex-shrink:0;display:inline-block}
.sw input{opacity:0;width:0;height:0}
.sw span{position:absolute;inset:0;background:#cbd5e1;border-radius:99px;cursor:pointer;transition:.2s}
.sw span:before{content:"";position:absolute;width:17px;height:17px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.sw input:checked+span{background:var(--brand)}
.sw input:checked+span:before{transform:translateX(17px)}
.sw input:disabled+span{opacity:.5;cursor:default}
.prog{height:8px;background:var(--panel2);border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.prog>i{display:block;height:100%;background:var(--brand);border-radius:99px}
.note{background:var(--brand2);border-radius:10px;padding:10px 14px;font-size:13.5px}
.note.warn{background:var(--warnbg)}
.note.bad{background:var(--badbg);color:var(--bad)}
.empty{color:var(--muted);font-size:14px;padding:14px 0}
.err{color:var(--bad);font-size:12.5px}
code{background:var(--panel2);border:1px solid var(--line);border-radius:5px;padding:0 5px;font-size:12.5px;word-break:break-all}
/* chat console */
.tgwrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px}
.phone{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;display:flex;flex-direction:column;height:calc(100vh - 170px);min-height:460px;box-shadow:var(--shadow)}
.tghead{background:var(--tg);color:#fff;padding:10px 14px;display:flex;align-items:center;gap:10px}
.tghead .av{background:rgba(255,255,255,.25)}
.tghead small{display:block;opacity:.85;font-size:12px}
.chat{flex:1;overflow-y:auto;padding:14px;background:#dfe9f2;display:flex;flex-direction:column;gap:8px}
@media (prefers-color-scheme:dark){.chat{background:#0e1621}}
.msg{max-width:84%;padding:8px 12px;border-radius:12px;font-size:14.5px;box-shadow:0 1px 1px rgba(0,0,0,.08);white-space:pre-wrap;word-wrap:break-word}
.msg.u{align-self:flex-end;background:#effdde;color:#111;border-bottom-right-radius:4px}
.msg.b{align-self:flex-start;background:#fff;color:#111;border-bottom-left-radius:4px}
@media (prefers-color-scheme:dark){.msg.u{background:#2b5278;color:#fff}.msg.b{background:#182533;color:#e5e7eb}}
.msg .tm{font-size:10.5px;opacity:.55;text-align:right;margin-top:2px}
.kb{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.kb button{flex:1;min-width:80px;border:0;background:rgba(42,171,238,.14);color:#1a8ad4;border-radius:8px;padding:7px 8px;font-weight:600;cursor:pointer;font-size:13px}
.kb button:disabled{opacity:.45;cursor:default}
.file{display:flex;gap:10px;align-items:center;background:rgba(0,0,0,.05);border-radius:10px;padding:8px 10px;margin-top:6px;text-decoration:none;color:inherit}
.fi{width:38px;height:38px;border-radius:8px;background:#16a34a;color:#fff;display:grid;place-items:center;font-weight:700;font-size:11px;flex-shrink:0}
.msg img{max-width:100%;border-radius:8px;margin-top:6px;display:block}
.tgin{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:var(--panel);align-items:center}
.tgin input[type=text]{flex:1;border-radius:99px;padding:9px 14px}
.tgin .send{border:0;background:var(--tg);color:#fff;border-radius:50%;width:40px;height:40px;cursor:pointer;font-size:16px;flex-shrink:0}
.tgin .attach{border:0;background:none;font-size:20px;cursor:pointer;padding:0 4px}
.chips{display:flex;flex-direction:column;gap:6px}
.chips button{text-align:left;border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:8px 12px;cursor:pointer;font-size:13.5px}
.chips button:hover{border-color:var(--brand);color:var(--brand)}
.typing{display:inline-flex;gap:3px}.typing i{width:6px;height:6px;border-radius:50%;background:#94a3b8;animation:b 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes b{0%,60%,100%{opacity:.3}30%{opacity:1}}
.pv{display:flex;flex-direction:column;gap:8px}
.pvh{display:flex;gap:10px;align-items:center}
.logo-sq{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;flex-shrink:0}
.models{font-size:13px;color:var(--muted)}
.stabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:14px}
.stabs button{border:1px solid var(--line);background:var(--panel);padding:6px 13px;border-radius:99px;cursor:pointer;white-space:nowrap;font-weight:500;font-size:14px}
.stabs button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.set{display:flex;align-items:center;gap:14px;padding:13px 0;border-top:1px solid var(--line)}
.set:first-child{border-top:0}
.set .t{font-weight:600}.set .s{font-size:13px;color:var(--muted)}
.set select,.set input[type=text],.set input[type=number],.set input[type=password]{width:240px}
.set textarea{width:340px}
.mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:center;justify-content:center;z-index:50;padding:16px}
.mask.on{display:flex}
.modal{background:var(--panel);border-radius:16px;width:100%;max-width:540px;max-height:90vh;overflow-y:auto;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.modal h3{margin:0 0 6px;font-size:18px}
.field{display:flex;flex-direction:column;gap:5px;margin:12px 0}
.field label{font-size:13px;font-weight:600}
.field small{color:var(--muted);font-size:12px}
.field input,.field select,.field textarea{width:100%}
.field input[type=checkbox],.field input[type=radio],.tag input,.li input[type=checkbox]{width:auto;flex-shrink:0}
.mfoot{display:flex;justify-content:flex-end;gap:8px;margin-top:16px;flex-wrap:wrap}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(30px);background:#111827;color:#fff;padding:10px 18px;border-radius:10px;font-size:14px;opacity:0;transition:.25s;z-index:60;pointer-events:none;max-width:90vw}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.bad{background:var(--bad)}
.bars{display:flex;align-items:flex-end;gap:6px;height:160px;padding-top:10px}
.bars .bc{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}
.bars .bar{width:100%;max-width:30px;border-radius:5px 5px 0 0;background:var(--brand);min-height:2px}
.bars .lb{font-size:11px;color:var(--muted)}
.check{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.check:first-child{border-top:0}
.check .ck{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;font-size:12px;flex-shrink:0;border:2px solid var(--line)}
.check .ck.done{background:var(--ok);border-color:var(--ok);color:#fff}
.auth{min-height:100vh;display:grid;place-items:center;padding:20px}
.auth .card{width:100%;max-width:400px;padding:28px}
.overlay{display:none}
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}.tgwrap{grid-template-columns:1fr}}
@media (max-width:820px){
  .side{position:fixed;left:-270px;z-index:40;transition:left .25s;box-shadow:0 0 40px rgba(0,0,0,.2)}
  .side.open{left:0}
  .overlay.on{display:block;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:30}
  .burger{display:block}
  .top{padding:12px 14px}.content{padding:16px 14px 60px}
  .g2,.g3{grid-template-columns:1fr}
  .top .sub,.hide-m{display:none!important}
  .phone{height:calc(100vh - 150px)}
  .set{flex-wrap:wrap}.set>div:first-child{flex-basis:100%}
  .set select,.set input[type=text],.set input[type=number],.set input[type=password],.set textarea{width:100%}
}
@media (max-width:480px){.g4{grid-template-columns:1fr 1fr}.stat .v{font-size:21px}.card{padding:14px}}