:root{--ver:'2.16.0';--bg:#f3f6fb;--cd:#fff;--bd:#e3e8f1;--tx:#1b2740;--mt:#64748b;--nv:#0f2a4a;--ac:#2563eb;--ac2:#1d4ed8;--hv:#f1f5fa;--ok:#059669;--er:#dc2626;--sh:0 1px 2px rgba(15,42,74,.06),0 4px 14px rgba(15,42,74,.05);--r:14px}
[data-t=dark]{--bg:#0a1120;--cd:#121c30;--bd:#223250;--tx:#e5ebf5;--mt:#93a1b8;--nv:#070d1a;--hv:#18253f;--sh:0 1px 2px rgba(0,0,0,.4),0 6px 18px rgba(0,0,0,.25)}
*{box-sizing:border-box}[hidden]{display:none!important}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Bengali",sans-serif;background:var(--bg);color:var(--tx);display:flex;min-height:100vh;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}body.c{display:block}
a{color:var(--ac)}h1,h2,h3{letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--ac);outline-offset:2px}
/* sidebar */
#side{width:248px;background:var(--nv);color:#fff;flex-shrink:0;position:sticky;top:0;height:100vh;padding:16px 12px;overflow:auto;display:flex;flex-direction:column;z-index:30;transition:width .2s,left .2s}
.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;padding:4px 8px 18px;white-space:nowrap}.logo b{color:#7fb0ff;font-weight:700}
.lm{width:34px;height:34px;border-radius:10px;background:var(--ac);display:grid;place-items:center;flex-shrink:0}.lm svg{width:20px;height:20px}
nav{flex:1}nav button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:0;color:#b9c6dc;padding:10px 12px;border-radius:10px;font:inherit;font-size:14px;cursor:pointer;margin-bottom:2px;transition:background .15s,color .15s;position:relative;white-space:nowrap}
nav button:hover{background:rgba(255,255,255,.08);color:#fff}nav button.on{background:var(--ac);color:#fff;font-weight:600}
.ic{width:19px;height:19px;flex-shrink:0;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.sl{display:none;align-items:center;gap:10px;color:#b9c6dc;text-decoration:none;padding:9px 8px;border-radius:10px;margin-bottom:6px;font-size:14px}.sl:hover{background:rgba(255,255,255,.08);color:#fff}
.sft{font-size:11px;color:#7d8ba3;padding:10px 8px 0;border-top:1px solid rgba(255,255,255,.08);margin-top:10px}
#ov{display:none}
/* topbar */
#wrap{flex:1;min-width:0}
header{display:flex;align-items:center;gap:10px;padding:12px 24px;background:var(--cd);border-bottom:1px solid var(--bd);position:sticky;top:0;z-index:20;box-shadow:var(--sh)}
header h2{margin:0;font-size:18px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ham{display:none}.ib{position:relative;width:38px;height:38px;border-radius:10px;border:1px solid var(--bd);background:var(--cd);color:var(--tx);display:inline-grid;place-items:center;cursor:pointer;padding:0;transition:.15s}.ib:hover{background:var(--hv)}
.ib .ic{width:18px;height:18px}.sun{display:none}[data-t=dark] .sun{display:block}[data-t=dark] .moon{display:none}
.bell span{position:absolute;top:-5px;right:-5px;background:var(--er);color:#fff;font-size:10px;border-radius:10px;padding:1px 5px;font-weight:600}
#cb{width:auto;max-width:190px;margin:0}
main{padding:22px 24px;max-width:1440px}
/* cards & panels */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(210px,100%),1fr));gap:14px;margin-bottom:18px}
.card{min-width:0;overflow-wrap:anywhere;background:var(--cd);border:1px solid var(--bd);border-radius:var(--r);padding:16px;box-shadow:var(--sh);transition:transform .15s,box-shadow .15s}.card:hover{transform:translateY(-2px)}
.ci{width:38px;height:38px;border-radius:11px;background:#e8f0fe;display:grid;place-items:center;font-style:normal;font-size:18px;margin-bottom:10px;color:var(--ac)}[data-t=dark] .ci{background:#1b2c52}
.card.g{display:block;margin:0;grid-template-columns:none}
.card span{display:block;font-size:12px;color:var(--mt);margin-bottom:3px}.card b{font-size:21px;font-weight:700}.card.g b{color:var(--ok)}.card.r b{color:var(--er)}
.panel{background:var(--cd);border:1px solid var(--bd);border-radius:var(--r);padding:18px;margin-bottom:18px;box-shadow:var(--sh)}.panel h3{margin:0 0 14px;font-size:15px}
.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:16px;margin-bottom:18px}.two .panel{margin:0}
.g{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin-bottom:14px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:14px}.row>*{width:auto}.row input,.row select{max-width:220px;margin:0}.sp{flex:1}
/* forms & buttons */
label{display:block;font-size:12px;color:var(--mt);font-weight:600}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--bd);border-radius:10px;font:inherit;margin-top:4px;background:var(--cd);color:var(--tx);transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--ac);box-shadow:0 0 0 3px rgba(37,99,235,.18)}
.btn,.btn2,.sm{border:0;border-radius:10px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer;background:var(--ac);color:#fff;transition:filter .15s,background .15s}.btn:hover{background:var(--ac2)}.btn:active{transform:translateY(1px)}
.btn2{background:var(--cd);border:1px solid var(--bd);color:var(--tx)}.btn2:hover{background:var(--hv)}a.btn2{text-decoration:none;display:inline-block}
.sm{padding:5px 10px;font-size:12px;background:var(--hv);color:var(--tx);border:1px solid var(--bd);margin-right:4px}.sm:hover{background:var(--bd)}.sm.d{background:#fee2e2;color:#b91c1c;border-color:#fecaca}[data-t=dark] .sm.d{background:#3b1519;color:#fca5a5;border-color:#5b1f25}.sm:disabled{opacity:.45;cursor:default}
.sb{position:relative}.sb input{padding-left:12px}
/* tables */
.tw{overflow:auto;max-height:70vh;border:1px solid var(--bd);border-radius:12px}
table{width:100%;border-collapse:separate;border-spacing:0;min-width:560px}
th{position:sticky;top:0;z-index:1;text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--mt);background:var(--hv);padding:11px 12px;white-space:nowrap;border-bottom:1px solid var(--bd)}
th.sortable{cursor:pointer;user-select:none}th.sortable:hover{color:var(--tx)}th.so::after{content:" " attr(data-d);color:var(--ac)}
td{padding:11px 12px;border-bottom:1px solid var(--bd);vertical-align:top}tbody tr:last-child td{border-bottom:0}tbody tr:hover{background:var(--hv)}
.neg{color:var(--er);font-weight:600}.pos{color:var(--ok);font-weight:600}.mt{color:var(--mt)}
.badge{background:#fee2e2;color:#b91c1c;border-radius:20px;padding:2px 9px;font-size:12px;font-weight:600;white-space:nowrap}.badge.w{background:#fef3c7;color:#92400e}
.tbar{display:flex;align-items:center;gap:10px;margin-bottom:10px}.tbar input{margin:0;max-width:260px}.pz{display:flex;align-items:center;gap:6px}.pz select{width:auto;margin:0}
.pg{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:13px;color:var(--mt)}.pg b{color:var(--tx)}
.empty{text-align:center;padding:34px 10px;color:var(--mt)}.empty i{display:block;font-style:normal;font-size:32px;margin-bottom:6px}.empty b{display:block;color:var(--tx);font-size:14px}.empty span{font-size:12px}
.hb{display:grid;grid-template-columns:110px 1fr auto;gap:10px;align-items:center;margin:10px 0;font-size:13px}.hb u{display:block;height:8px;background:var(--bd);border-radius:6px}.hb i{display:block;height:100%;background:var(--ac);border-radius:6px}
canvas{width:100%;display:block}.note{font-size:12.5px;background:#fffbeb;color:#78350f;border:1px solid #fde68a;padding:10px 12px;border-radius:10px}[data-t=dark] .note{background:#2b2410;color:#fde68a;border-color:#4a3d12}
/* dialog, toast, loading */
dialog{border:0;border-radius:18px;padding:22px;width:min(460px,94vw);background:var(--cd);color:var(--tx);box-shadow:0 24px 60px rgba(0,0,0,.35);position:relative}dialog.wide{width:min(740px,96vw)}dialog[open]{animation:in .2s}dialog::backdrop{background:rgba(8,15,30,.55);backdrop-filter:blur(2px)}
dialog h3{margin:0 28px 14px 0;font-size:17px}dialog form label{margin-bottom:11px}dialog .row{justify-content:flex-end;margin:16px 0 0}
.x{position:absolute;top:12px;right:12px;width:30px;height:30px;border-radius:8px;border:0;background:var(--hv);color:var(--tx);font-size:20px;line-height:1;cursor:pointer}.x:hover{background:var(--bd)}
#ts{position:fixed;right:16px;top:16px;z-index:99;display:grid;gap:8px}.t{background:var(--nv);color:#fff;padding:11px 16px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.3);animation:in .25s;max-width:340px;border-left:4px solid #7fb0ff}.t.e{background:#b91c1c;border-color:#fecaca}.t.s{background:#047857;border-color:#a7f3d0}
body.ld::before{content:'';position:fixed;top:0;left:0;height:3px;width:40%;background:var(--ac);z-index:100;animation:ld 1s infinite}
.skl{background:linear-gradient(90deg,var(--hv),var(--bd),var(--hv));background-size:200% 100%;animation:sh 1.2s infinite;min-height:92px;border:0}
@keyframes ld{from{left:-40%}to{left:100%}}@keyframes in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes sh{to{background-position:-200% 0}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
/* auth pages */
.lg{max-width:400px;margin:9vh auto;padding:0 14px;width:100%}.lg .panel{padding:26px}.lg h1{font-size:22px;margin:0 0 16px}.err{background:#fee2e2;color:#b91c1c;padding:10px 12px;border-radius:10px;margin-bottom:12px;font-size:13px}.ok{background:#dcfce7;color:#166534;padding:10px 12px;border-radius:10px;margin-bottom:12px;font-size:13px}.lg label{margin-bottom:11px}
/* responsive: tablet = icon rail, mobile = drawer */
@media(max-width:1100px) and (min-width:801px){#side{width:72px;padding:16px 10px}.lb,.logo .tx2,.sft{display:none}nav button{justify-content:center;padding:11px}.logo{justify-content:center;padding:4px 0 18px}main{padding:18px}}
@media(max-width:800px){#side{position:fixed;left:-260px;top:0;box-shadow:none}#side.open{left:0;box-shadow:8px 0 30px rgba(0,0,0,.35)}#side.open+#ov{display:block;position:fixed;inset:0;background:rgba(8,15,30,.5);z-index:25}.ham{display:inline-grid}main{padding:14px}header{padding:10px 12px}header h2{font-size:16px}.cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.card b{font-size:16px}.card{padding:12px}.two{grid-template-columns:1fr}#cb{max-width:120px}a.btn2.logout{display:none}.sl{display:flex}#cb{max-width:104px}.tbar input{max-width:none}}
@media print{#side,header,#ov,.tbar,.pg,#ts,dialog{display:none!important}body{background:#fff;display:block}main{padding:0;max-width:none}.panel,.card{box-shadow:none}.tw{max-height:none;overflow:visible}}
/* ===== Stage 2B: product list, details page, images, CSV import ===== */
.th{width:40px;height:40px;border-radius:10px;object-fit:cover;background:var(--hv);border:1px solid var(--bd);display:inline-grid;place-items:center;vertical-align:middle;font-size:18px}
.th.ph{color:var(--mt)}.th.big{width:200px;height:200px;border-radius:16px;font-size:64px}
.plink{color:var(--tx);font-weight:600;text-decoration:none}.plink:hover{color:var(--ac);text-decoration:underline}
.filters{align-items:center}.filters .sb input{min-width:240px}.filters select{max-width:200px}
.pd{display:grid;grid-template-columns:220px 1fr;gap:22px;align-items:start}.pdimg{text-align:center}.pdinfo{min-width:0}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;font-size:14px}.kv span{color:var(--mt)}.kv b{font-weight:600}
.imgbox{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:12px}.imgbox .th.big{width:150px;height:150px;font-size:48px}
.badge.ok{background:#dcfce7;color:#166534}.badge.in{background:#dbeafe;color:#1e40af}.badge.gr{background:#e5e7eb;color:#374151}
[data-t=dark] .badge.ok{background:#12351f;color:#86efac}[data-t=dark] .badge.in{background:#172a4d;color:#93c5fd}[data-t=dark] .badge.gr{background:#273246;color:#cbd5e1}
tr.errrow td{background:rgba(220,38,38,.07)}.neg{color:var(--er)}
@media(max-width:800px){.pd{grid-template-columns:1fr}.pdimg .th.big{width:140px;height:140px}.filters .sb input{min-width:0;width:100%}.filters .sb{flex:1 1 100%}.filters select{max-width:none;flex:1 1 45%}.kv{grid-template-columns:1fr 1fr}}
.nw{white-space:nowrap}.plink{white-space:nowrap}
.two>*{min-width:0}.tabs{flex-wrap:wrap}
td.r,th.r{text-align:right;font-variant-numeric:tabular-nums}tr.t td,tr.s td{border-top:2px solid var(--bd,#cbd5e1)}

/* 2.7.2 branding: Intense Hub IT (permanent) */
.lmk{width:34px;height:34px;flex-shrink:0;display:block}.lwm{height:32px;width:auto;display:block}.logo{gap:8px}
.pfs{margin-top:auto;padding:12px 8px 2px;font-size:11px;letter-spacing:.3px;opacity:.55;text-align:center;white-space:nowrap}
.pf{margin:14px 0 0;text-align:center;font-size:11px;letter-spacing:.3px;opacity:.55}
.brandbar{display:flex;justify-content:center;margin:0 0 10px}.bl{max-width:100%;height:auto}.bl.dark{display:none}[data-t=dark] .bl.light{display:none}[data-t=dark] .bl.dark{display:block}
.bstrip{display:flex;justify-content:space-between;align-items:center;gap:14px;margin:0 0 12px;flex-wrap:wrap}.bstrip .ih{height:40px;width:auto}.bstrip .ih.dark{display:none}[data-t=dark] .bstrip .ih.light{display:none}[data-t=dark] .bstrip .ih.dark{display:block}
.bstrip .bz{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05em}.bstrip .bz img{max-height:40px;max-width:140px;object-fit:contain}
.ac{position:relative}.aclist{position:absolute;z-index:40;left:0;right:0;top:100%;margin:2px 0 0;padding:0;list-style:none;background:var(--cd,#fff);border:1px solid var(--bd,#cbd5e1);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.18);max-height:300px;overflow:auto}
.aclist li{padding:8px 10px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid rgba(100,116,139,.15)}.aclist li:last-child{border:0}.aclist li.on,.aclist li:hover{background:rgba(247,181,0,.22)}.aclist small{opacity:.7;white-space:nowrap}.aclist .none{cursor:default;opacity:.75}.aclist mark{background:rgba(247,181,0,.45);color:inherit;border-radius:2px}
.pchg{color:#b45309;font-size:12px;margin-top:3px}.phint{color:#64748b;font-size:12px;margin-top:3px}
@media(max-width:1100px) and (min-width:801px){.pfs{display:none}}

/* 2.7.3 Sales Entry grid, discount, service rows */
.igw{overflow-x:auto}.igt{width:100%;table-layout:fixed;border-collapse:collapse}.igt .c1{width:46px}.igt .c3{width:120px}.igt .c4{width:130px}.igt .c5{width:210px}.igt .c6{width:140px}.igt .c7{width:48px}
.igt th{text-align:left;font-size:12px;padding:8px 6px}.igt td{padding:6px;vertical-align:top}.igt input{width:100%;box-sizing:border-box}.igt .sln{color:#64748b;text-align:center;padding-top:14px}.igt .lt{font-weight:700;text-align:right;padding-top:14px}
.igt.entry{margin-top:6px}.igt.entry input.big{height:42px;font-size:15px}.igt.entry.nodisc col.c5,.igt.entry.nodisc .dcol{display:none}.igt .dis input{opacity:.55}
.dsc{display:flex;gap:4px}.dsc .dtg{min-width:46px;border:1px solid #f7b500;background:#fff7e0;color:#111;border-radius:8px;cursor:pointer;font-weight:700}.dsc .dtg.s{display:flex;align-items:center;justify-content:center;cursor:default}.dsc.bad input{border-color:#dc2626}
.scs{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}.scs label{font-size:11px;margin:0}.scs input{width:96px}.classic{margin-top:10px}.classic summary{cursor:pointer;opacity:.8}label.chk{display:flex;align-items:center;gap:8px}label.chk input{width:auto;margin:0}
@media(max-width:760px){.igt,.igt tbody,.igt tr,.igt td{display:block;width:100%}.igt thead,.igt colgroup{display:none}.igt tr{border:1px solid var(--bd);border-radius:10px;padding:8px;margin:8px 0}.igt td{padding:4px 0}.igt td[data-l]::before{content:attr(data-l);display:block;font-size:11px;color:#64748b}.igt .sln,.igt .lt{text-align:left;padding-top:4px}.igt.entry td.dis{display:none}}
.igt label.ac{display:block;width:100%;margin:0}.igt.entry input.big{width:100%;min-width:0}.igt td.it{min-width:0}

/* 2.7.4 official platform logo: wordmark everywhere; the compact "I" mark only on the narrow icon rail */
.logo .lmk{display:none;width:34px;height:34px}.lwm{height:44px;width:auto}.brandbar img.bl{width:220px;height:auto;max-width:100%}.bstrip .ih{height:46px;width:auto}
@media(max-width:1100px) and (min-width:801px){.logo .lmk{display:block}}
img[draggable=false]{-webkit-user-drag:none;user-select:none}

/* 2.7.4 price type + minimum-price warning (warning only) */
.pts{width:100%;margin-bottom:4px;font-size:12px;padding:3px 4px}.igt input.pin.warn,#ss.warn{border:2px solid #dc2626;background:#fee2e2;color:#7f1d1d}[data-t=dark] .igt input.pin.warn,[data-t=dark] #ss.warn{background:#450a0a;color:#fecaca}.mwarn{color:#b91c1c;font-size:12px;font-weight:600;margin-top:3px;line-height:1.3}[data-t=dark] .mwarn{color:#fca5a5}

/* 2.7.5 stage 1 */
.phf{grid-column:1/-1;margin:6px 0}.phrow{display:flex;align-items:center;gap:12px;margin-top:6px}.phprev img.th{width:84px;height:84px;object-fit:cover;border-radius:8px}.aclist li{display:flex;align-items:center;justify-content:space-between;gap:8px}.acimg:empty{display:none}.acimg img{width:30px;height:30px;object-fit:cover;border-radius:5px;flex-shrink:0}.aclist li>span:not(.acimg){flex:1;min-width:0}
#sec-cust .g,#sec-sum .g{margin-top:8px}.bi{font-size:.92em;color:#333;line-height:1.35;margin:2px 0 8px}

.cmt{margin:6px 0;padding:8px 10px;border:1px dashed #f7b500;border-radius:8px;background:#fff7e0;color:#111}.cmt .sm{margin-left:6px}.pph .phrow{display:flex;align-items:center;gap:12px}.acimg img.sth{width:30px;height:30px}

nav button[hidden]{display:none!important}.tabs{margin-bottom:10px}fieldset.pg{border:1px solid var(--bd,#cbd5e1);border-radius:8px;margin:8px 0;padding:6px 10px}fieldset.pg legend{font-weight:700;padding:0 6px}fieldset.pg label.chk{margin:3px 0}

h4{margin:12px 0 6px}

.serline{margin:6px 0}
/* 2.8.0 stage 7: camera scanner panel */
#scbtn.on{background:#f7b500;color:#000}
#camp{position:fixed;z-index:2147483000;right:12px;bottom:12px;left:auto;top:auto;margin:0;width:min(380px,calc(100vw - 24px));max-height:calc(100vh - 24px);overflow:auto;background:var(--cd,#fff);color:inherit;border:1px solid #cbd5e1;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.35);padding:10px}
#camp:not([popover]){display:none}#camp:not([popover]).on{display:block}
@media (max-width:700px){#camp{right:0;left:0;bottom:0;width:100vw;max-height:80vh;border-radius:14px 14px 0 0}}
.camh{display:flex;align-items:center;gap:8px;margin-bottom:6px}.camv{position:relative;background:#000;border-radius:8px;overflow:hidden;aspect-ratio:4/3}
.camv video{width:100%;height:100%;object-fit:cover;display:block}.camf{position:absolute;left:7%;right:7%;top:19%;bottom:19%;border:2px solid #f7b500;border-radius:8px;box-shadow:0 0 0 999px rgba(0,0,0,.38);pointer-events:none}
.cams{padding:8px 2px 4px;font-weight:600;min-height:2.6em}.cams.ok{color:#047857}.cams.e{color:#b91c1c}.camr{gap:6px;flex-wrap:wrap}.caml{font-size:.85em;opacity:.85}.caml .e{color:#b91c1c}.caml .ok{color:#047857}
.cambtn{margin-left:6px}.scm{display:grid;gap:10px;margin:8px 0}