:root{
  --bg:#F3F6F9;--ink:#1B2B3A;--muted:#5B6B7B;--line:#E3E9EF;--card:#fff;
  --primary:#17628B;--navy:#113154;--sel:#DCEAF5;
  --blue-bg:#E1EDFA;--blue-fg:#24578F;--blue-ink:#16355A;
  --peach-bg:#FDEBDD;--peach-fg:#9A4A12;--peach-ink:#5E2B07;
  --lav-bg:#ECE8F8;--lav-fg:#5B45A8;--lav-ink:#2B1F6B;
  --green-bg:#E4F2EA;--green-fg:#1F6B45;--green-ink:#124129;
  --yellow-bg:#FBF1CF;--yellow-fg:#7A5A06;
  --pink-bg:#FCE6EE;--pink-fg:#9B2C5A;
  --red-bg:#FADDDD;--red-fg:#9B2C2C;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Noto Sans','Noto Sans Bengali',system-ui,sans-serif;color:var(--ink);background:var(--bg);font-size:14px;line-height:1.5}
a{color:var(--primary);text-decoration:none}a:hover{color:var(--navy)}
button,input,select{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3{margin:0;font-family:'Plus Jakarta Sans',sans-serif}
.hide{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
/* layout */
.shell{display:flex;min-height:100vh}
.side{flex:0 0 256px;width:256px;position:sticky;top:0;align-self:flex-start;height:100vh;overflow-y:auto;padding:28px 18px;background:#fff;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.brand{display:flex;align-items:center;gap:12px;padding:0 10px 22px}
.brand img{width:72px;height:auto;display:block}
.brand b{display:block;font-family:'Plus Jakarta Sans',sans-serif;font-size:16px;color:var(--navy)}
.brand span{font-size:12px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:12px;padding:9px 10px;border-radius:12px;color:var(--ink);font-weight:500;font-size:14px}
.nav:hover{background:#F3F6F9;color:var(--ink)}
.nav .ic{width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex:none}
.nav.on{background:var(--sel);color:var(--navy);font-weight:600}
.nav.on .ic{background:var(--primary)!important}
.nav.on .ic svg{stroke:#fff!important}
.soon{margin-left:auto;font-size:10.5px;font-weight:600;padding:2px 7px;border-radius:999px;background:#EEF2F6;color:var(--muted)}
.help{margin-top:auto;padding:14px;border-radius:14px;background:var(--bg);font-size:12.5px;color:var(--muted)}
.signout{margin-top:8px;border:0;background:none;color:var(--muted);font-weight:600;cursor:pointer;padding:6px 10px;text-align:left}
.signout:hover{color:var(--navy)}
.main{flex:1 1 0;min-width:0;padding:28px 36px 48px;display:flex;flex-direction:column;gap:22px}
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.top h1{font-size:28px;font-weight:800;letter-spacing:-.3px}
.top .sub{color:var(--muted);font-size:14px;margin-top:2px}
.who{display:flex;align-items:center;gap:10px;padding:5px 14px 5px 5px;border-radius:999px;border:1px solid var(--line);background:#fff}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--lav-bg);color:var(--lav-fg);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:13px}
.who b{display:block;font-size:13.5px;line-height:1.25}.who div span{font-size:12px;color:var(--muted);display:block;line-height:1.25}
.burger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
.scrim{display:none}
/* cards */
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px}
.stat{padding:20px;border-radius:20px;display:flex;flex-direction:column;gap:8px}
.stat .l{font-size:13px;font-weight:500}.stat .v{font-family:'Plus Jakarta Sans',sans-serif;font-weight:800;font-size:28px;line-height:1.15}
.stat .f{font-size:13px;font-weight:600}
.c-blue{background:var(--blue-bg);color:var(--blue-fg)}.c-blue .v{color:var(--blue-ink)}
.c-peach{background:var(--peach-bg);color:var(--peach-fg)}.c-peach .v{color:var(--peach-ink)}
.c-lav{background:var(--lav-bg);color:var(--lav-fg)}.c-lav .v{color:var(--lav-ink)}
.c-green{background:var(--green-bg);color:var(--green-fg)}.c-green .v{color:var(--green-ink)}
.c-navy{background:var(--primary);color:#fff}.c-navy .v{color:#fff}
.card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}
.card-pad{padding:22px 24px}
.card-h{display:flex;align-items:center;gap:14px;padding:18px 22px;color:#fff;background:linear-gradient(90deg,#5A6A86,#313D54)}
.card-h .ib{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;flex:none}
.card-h b{display:block;font-family:'Plus Jakarta Sans',sans-serif;font-size:17px}.card-h span{font-size:12.5px;opacity:.85}
.card-h .grow{flex:1;min-width:0}
.sec-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.sec-h h2{font-size:18px;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:14px;border:1px solid var(--line);background:#fff;font-weight:600;cursor:pointer;color:var(--ink)}
.btn:hover{border-color:#C9D5E0}
.btn.pri{background:var(--primary);border-color:var(--primary);color:#fff}.btn.pri:hover{background:#12506f}
.btn.dark{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.sm{height:36px;padding:0 14px;font-size:13px;border-radius:12px}
.btn[disabled]{opacity:.6;cursor:default}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;font-size:13px;cursor:pointer}
.chip.on{background:var(--navy);border-color:var(--navy);color:#fff}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.t-peach{background:var(--peach-bg);color:var(--peach-fg)}.t-yellow{background:var(--yellow-bg);color:var(--yellow-fg)}
.t-lav{background:var(--lav-bg);color:var(--lav-fg)}.t-blue{background:var(--blue-bg);color:var(--blue-fg)}
.t-green{background:var(--green-bg);color:var(--green-fg)}.t-grey{background:#E8EDF2;color:#4A5968}
.t-red{background:var(--red-bg);color:var(--red-fg)}.t-pink{background:var(--pink-bg);color:var(--pink-fg)}
/* inputs */
.in{height:44px;padding:0 14px;border-radius:12px;border:1.5px solid #D5DEE6;background:#F7F9FB;min-width:0}
.in:focus{outline:2px solid #9CC3DA;border-color:var(--primary);background:#fff}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13.5px;font-weight:600}
.field .in{height:50px;border-radius:14px;font-size:15px;width:100%}
.tools{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:16px 22px}
.tools .lab{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
/* tables */
.tbl-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%}
th{font-size:11.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;text-align:left;padding:8px 14px;white-space:nowrap}
td{padding:12px 14px;vertical-align:middle}
.num{text-align:right;white-space:nowrap}
.rowc tbody tr.r{background:#F7F9FB}
.rowc tbody tr.r td:first-child{border-radius:12px 0 0 12px}.rowc tbody tr.r td:last-child{border-radius:0 12px 12px 0}
.rowc tbody tr.sp td{padding:3px 0}
.lt tbody tr{border-top:1px solid var(--line);cursor:pointer}.lt tbody tr:hover{background:#F7F9FB}
.lt tbody tr.det{cursor:default;background:#fff}.lt tbody tr.det:hover{background:#fff}
.detail{margin:4px 14px 16px;padding:16px 18px;border-radius:16px;background:#F7F9FB;border:1px solid var(--line)}
.serials{margin-top:10px;padding:12px 14px;border-radius:12px;background:var(--blue-bg)}
.serials b{font-size:11.5px;letter-spacing:.5px;text-transform:uppercase;color:var(--blue-fg)}
.sn{display:inline-block;margin:6px 6px 0 0;padding:3px 10px;border-radius:999px;background:#fff;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.muted{color:var(--muted)}.small{font-size:12.5px}.b{font-weight:700}
.empty{padding:48px 20px;text-align:center;color:var(--muted)}
.note{padding:14px 16px;border-radius:14px;font-size:13px;line-height:1.5}
.note.warn{background:var(--yellow-bg);color:#6B4E04}.note.err{background:var(--peach-bg);color:var(--peach-ink)}
.note.info{background:#EEF3FB;border:1px solid var(--line);color:var(--ink)}
.two{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.ledrow-open td{background:var(--lav-bg);font-weight:700;color:var(--lav-ink)}
.ledrow-close td{background:var(--primary);color:#fff;font-weight:700}
.dr{color:var(--peach-fg);font-weight:600}.cr{color:var(--green-fg);font-weight:600}
.grp td{background:#EEF3FB;font-weight:700;padding:10px 14px}
.thumb{width:44px;height:44px;border-radius:10px;background:#EEF2F6;object-fit:contain}
/* login */
.login{display:flex;flex-wrap:wrap;min-height:100vh}
.login .formside{flex:1 1 440px;display:flex;align-items:center;justify-content:center;padding:40px 24px}
.lbox{width:100%;max-width:400px;padding:36px;border-radius:24px;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;gap:20px}
.lbox h2{font-size:26px;font-weight:800}
.hero{flex:1 1 480px;padding:48px 56px;background:#DCEAF5;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;gap:40px}
.hero .blob{position:absolute;border-radius:50%}
.hero h2{font-size:42px;line-height:1.1;font-weight:800;color:#0F2C4C;max-width:520px}
.hero p{font-size:17px;color:#2A4A68;max-width:460px;margin:16px 0 0}
.hero .pills{display:flex;flex-wrap:wrap;gap:10px;position:relative}
.hero .pills span{padding:8px 16px;border-radius:999px;background:#fff;font-weight:600;font-size:13px}
.hero .in-brand{display:flex;align-items:center;gap:14px;position:relative}
.hero .in-brand img{width:72px}
.hero .in-brand b{font-family:'Plus Jakarta Sans',sans-serif;color:var(--navy);font-size:17px}
.modal{position:fixed;inset:0;background:rgba(17,49,84,.45);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal .lbox{max-width:420px}
.spin{display:inline-block;width:16px;height:16px;border:2.5px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.skel{height:92px;border-radius:20px;background:linear-gradient(90deg,#EAEFF4,#F6F8FA,#EAEFF4);background-size:200% 100%;animation:sk 1.2s infinite}
@keyframes sk{to{background-position:-200% 0}}
@media(max-width:1100px){.two{grid-template-columns:1fr}}
@media(max-width:900px){
  .shell{display:block}
  .side{position:fixed;left:0;top:0;bottom:0;z-index:40;transform:translateX(-105%);transition:transform .2s}
  .side.open{transform:none;box-shadow:0 0 40px rgba(0,0,0,.2)}
  .scrim.open{display:block;position:fixed;inset:0;background:rgba(17,49,84,.4);z-index:30}
  .burger{display:flex}
  .main{padding:18px 16px 40px}
  .top h1{font-size:22px}
  .who div span{display:none}
  .hero{display:none}
  .stat .v{font-size:24px}
  .tools{padding:14px 16px}
  .card-pad{padding:18px 16px}
}

.rowc td,.rowc th,.lt td,.lt th{white-space:nowrap}

.prow{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-top:1px solid var(--line)}
.prow:first-of-type{border-top:0;padding-top:2px}
.pact{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}
textarea.in,select.in{width:100%;font:inherit}
.lbox .field{margin-top:14px}.lbox .actions{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}.lbox .note{margin-top:12px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 20px;border-radius:14px;font-weight:600;font-size:14px;z-index:60;box-shadow:0 8px 30px rgba(0,0,0,.25);max-width:calc(100vw - 32px)}
@media(max-width:900px){.prow{align-items:flex-start;flex-direction:column}.pact{justify-content:flex-start}}

.specs{margin:14px 0 4px;max-height:60vh;overflow:auto;border:1px solid var(--line);border-radius:14px}
.srow{display:flex;justify-content:space-between;gap:16px;padding:10px 14px;border-top:1px solid var(--line);font-size:14px}
.srow:first-child{border-top:0}.srow span{color:var(--muted)}.srow b{text-align:right}.srow.one{display:block}

/* invoice sheet: "Letterhead Card" design (148mm wide, one continuous page) */
.pi-page{line-height:normal;background:#e5e7eb;min-height:100vh;padding-bottom:32px;font-size:10px;color:#111827}
.pi-toolbar{max-width:148mm;margin:0 auto;padding:12px 0;display:flex;justify-content:flex-end;gap:10px}
.pi-btn{padding:9px 18px;border:1px solid #111827;background:#fff;color:#111827;border-radius:6px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit}
.pi-btn.primary{background:#111827;color:#fff}.pi-btn[disabled]{opacity:.55;cursor:default}
.pi-page-wrap{display:flex;flex-direction:column;align-items:center}
.pi-sheet{position:relative;width:148mm;max-width:100%;min-height:210mm;background:#fff;box-shadow:0 1px 6px rgba(0,0,0,.2);padding:14mm;box-sizing:border-box;font-family:"Noto Sans","Noto Sans Bengali",sans-serif}
.pi-sheet *{box-sizing:border-box}.pi-sheet.exporting{box-shadow:none}
.pi-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.pi-header img.pi-logo{height:15mm;max-width:55mm;object-fit:contain}
.pi-header-right{display:flex;flex-direction:column;align-items:flex-end;text-align:right}
.pi-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-top:8px;border-bottom:1.5px solid #111827;padding-bottom:10px;margin-bottom:10px}
.pi-sheet h1,.pi-sheet h3{font-family:inherit}
.pi-title-row h1{margin:0;font-size:15px;letter-spacing:1.5px;text-align:left}
.pi-meta-col{display:flex;flex-direction:column;align-items:flex-end;gap:3px}
.pi-meta-col .pi-meta{text-align:right;font-size:10px;font-weight:700;color:#374151}
.pi-branch{margin-top:6px;font-size:8.5px;line-height:1.4;color:#374151}
.pi-branch strong{display:block;font-size:9.5px;color:#111827;margin-bottom:1px}.pi-branch-phone{margin-top:1px}
.pi-barcode{line-height:0}.pi-barcode svg{height:20px;display:block}
.pi-parties{display:flex;gap:8px;margin-bottom:7px}
.pi-party{flex:1;min-width:0;background:#f8fafc;border:1px solid #e5e7eb;border-radius:6px;padding:5px 7px}
.pi-party h3{margin:0 0 2px;font-size:8.5px;text-transform:uppercase;letter-spacing:.4px;color:#6b7280}
.pi-party strong{display:block;font-size:10.5px}.pi-party p{margin:1px 0 0;font-size:9.5px;color:#374151;white-space:pre-line}
.pi-info-row{display:flex;justify-content:space-between;align-items:center;font-size:9px;color:#374151;background:#f8fafc;border:1px solid #e5e7eb;border-radius:6px;padding:5px 9px;margin-bottom:7px}
.pi-info-row .pi-info-mid{text-align:center}.pi-info-row .pi-info-end{text-align:right}.pi-info-row .pi-label{color:#6b7280}
.pi-items-wrap{border:1px solid #e5e7eb;border-radius:6px;overflow:hidden;margin-bottom:10px}
table.pi-items{width:100%;border-collapse:collapse}
table.pi-items th,table.pi-items td{padding:6px;border-bottom:1px solid #e5e7eb;font-size:9.5px;text-align:left;vertical-align:top}
table.pi-items th{background:#f3f4f6;color:#4b5563;font-weight:600;text-transform:uppercase;font-size:7.5px;letter-spacing:.3px}
table.pi-items td.num,table.pi-items th.num{text-align:right;white-space:nowrap}
.pi-serial{font-size:8.5px;color:#6b7280;margin-top:2px;word-break:break-word}
table.pi-items tbody tr:last-child td{border-bottom:none}
.pi-bottom{display:flex;gap:10px;align-items:flex-end}
.pi-words{flex:1;font-size:9px;line-height:1.4}.pi-words strong{display:block;font-size:8px;text-transform:uppercase;letter-spacing:.3px;color:#6b7280;margin-bottom:1px}
.pi-totals{width:46mm;flex-shrink:0}.pi-totals .row{display:flex;justify-content:space-between;padding:1.5px 0;font-size:9px}
.pi-totals .row.grand{border-top:1.5px solid #111827;margin-top:2px;padding-top:3px;font-weight:700;font-size:10.5px}
.pi-totals .row.paid{color:#166534}.pi-totals .row.due{font-weight:700;color:#b91c1c}
.pi-currency{font-size:1.15em}
.pi-thanks{margin-top:48px;padding:5px 9px;background:#f8fafc;border:1px solid #e5e7eb;border-radius:6px;text-align:center;font-size:8.5px;line-height:1.4;color:#374151}
.pi-thanks strong{display:block;font-size:9.5px;color:#111827}
@media print{@page{size:A5;margin:0}.pi-toolbar{display:none}.pi-page{background:#fff;padding:0}.pi-sheet{box-shadow:none}}