:root{
  --bg:#f3f6f8;--card:#fff;--ink:#14212b;--muted:#5d6b76;--line:#dde4ea;
  --brand:#0a6c86;--brand-2:#0e8aa8;--brand-soft:#e3f2f6;--alt:#2f5d50;
  --ok:#1b7a43;--ok-bg:#e6f4ec;--warn:#9a6200;--warn-bg:#fff4dc;--bad:#b42318;--bad-bg:#fdecea;
  --radius:10px;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:15px/1.5 -apple-system,"Segoe UI",Roboto,"Noto Sans Bengali",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}
h1{font-size:22px;margin:0}
h2.sec{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:26px 0 10px}
h3{font-size:16px;margin:0 0 12px}
.muted{color:var(--muted)}
.bad-t{color:var(--bad);font-weight:600}
code,pre.code{background:#eef2f5;border-radius:6px;padding:2px 6px;font-size:13px}
pre.code{padding:12px;overflow:auto;white-space:pre-wrap}

/* Shell */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;height:56px;padding:0 18px;background:var(--brand);color:#fff}
.top a{color:#fff;text-decoration:none}
.brand{font-weight:700;font-size:18px;display:flex;align-items:center;gap:8px}
.who{margin-left:auto;display:flex;gap:16px;align-items:center;font-size:14px}
.who span{opacity:.85}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}
.shell{display:flex;min-height:calc(100vh - 56px)}
.side{width:232px;flex:none;background:#fff;border-right:1px solid var(--line);padding:12px 10px 40px;position:sticky;top:56px;height:calc(100vh - 56px);overflow:auto}
.side .grp{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:16px 10px 6px}
.side a{display:block;padding:7px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14px}
.side a:hover{background:var(--bg)}
.side a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.main{flex:1;min-width:0;padding:22px 26px 60px;max-width:1280px}
.main.solo{margin:40px auto;max-width:760px}
.page-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.page-head .actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}

/* Cards & layout */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.ocard{margin:0;display:flex;flex-direction:column;gap:4px}
.ocard-h{display:flex;justify-content:space-between;gap:8px}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:auto;padding-top:10px}
.empty{color:var(--muted);text-align:center;padding:18px}
.dim{opacity:.55}

/* KPIs */
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow);border-top:3px solid var(--line)}
.kpi.warn{border-top-color:#e0a100}.kpi.bad{border-top-color:var(--bad)}.kpi.good{border-top-color:var(--ok)}
.k-label{font-size:12.5px;color:var(--muted)}
.k-val{font-size:22px;font-weight:700;margin-top:2px;font-variant-numeric:tabular-nums}
.k-sub{font-size:12.5px;color:var(--muted);margin-top:2px}

/* Alerts & flash */
.alerts{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.alert{display:flex;justify-content:space-between;gap:12px;padding:10px 14px;border-radius:8px;text-decoration:none;color:var(--ink);border:1px solid var(--line);background:#fff}
.alert span{color:var(--muted);white-space:nowrap}
.alert.ok{background:var(--ok-bg);border-color:#bfe3cd}
.alert.warn{background:var(--warn-bg);border-color:#f2d9a2}
.alert.bad{background:var(--bad-bg);border-color:#f3c2bd}
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;border:1px solid}
.flash ul{margin:0;padding-left:18px}
.flash.ok{background:var(--ok-bg);border-color:#bfe3cd;color:var(--ok)}
.flash.warn{background:var(--warn-bg);border-color:#f2d9a2;color:var(--warn)}
.flash.bad{background:var(--bad-bg);border-color:#f3c2bd;color:var(--bad)}

/* Forms */
.form h3{margin-top:4px}
.fld{display:flex;flex-direction:column;gap:5px;font-size:13.5px}
.fld>span{color:var(--muted);font-weight:500}
.fld small{color:var(--muted)}
.fld.full{grid-column:1/-1}
.warnbox{background:var(--warn-bg);padding:10px;border-radius:8px}
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid #c9d3db;border-radius:8px;background:#fff;color:var(--ink);min-width:0;width:100%}
input[type=checkbox]{width:auto;margin-right:6px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-2);outline-offset:-1px;border-color:var(--brand-2)}
input.sm,select.sm{width:auto;padding:5px 8px;font-size:13px}
.otp-in{font-size:24px;letter-spacing:.3em;max-width:180px}
.form-actions{margin-top:16px;display:flex;gap:10px}
.form.narrow,.login{max-width:420px}
.login{margin:0 auto}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.filters input,.filters select{width:auto}
.inline-form{display:inline-flex;flex-wrap:wrap;gap:8px;align-items:flex-end;margin:0 10px 8px 0}
.inline-form input,.inline-form select{width:auto}
.inline-form .fld input{width:180px}
.actions-card:empty{display:none}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;border:1px solid var(--brand);padding:8px 14px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--brand-2)}
.btn.alt{background:var(--alt);border-color:var(--alt)}
.btn.ghost{background:#fff;color:var(--brand);border-color:#c9d3db}
.btn.ghost:hover{background:var(--brand-soft)}
.btn.danger{background:#fff;color:var(--bad);border-color:#f3c2bd}
.btn.danger:hover{background:var(--bad-bg)}
.btn.sm{padding:4px 10px;font-size:13px}
.btn.wide{width:100%;justify-content:center;padding:12px}

/* Tables */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px}
.card .table-wrap{border:0;box-shadow:none;margin:0}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#f8fafb;white-space:nowrap}
.tbl tfoot th,.tbl tfoot td{background:#f8fafb}
.tbl .r{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl.small{font-size:13px}
.tbl.items select{width:100%}
.bad-row td,.bad-row th{background:var(--bad-bg)}
.dl{display:grid;grid-template-columns:140px 1fr;gap:6px 12px;margin:0}
.dl dt{color:var(--muted)}.dl dd{margin:0}
.plain{list-style:none;padding:0;margin:6px 0}
.plain li{padding:2px 0}
.timeline{list-style:none;padding:0;margin:0;font-size:13.5px}
.timeline li{padding:6px 0;border-bottom:1px dashed var(--line)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--brand-soft);color:var(--brand);padding:6px 12px;border-radius:999px;font-size:14px}
.otp{font-size:20px;letter-spacing:.2em;color:var(--brand)}

/* Badges */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;background:#eef2f5;color:var(--muted)}
.b-pending,.b-draft,.b-received{background:#fff4dc;color:#8a5a00}
.b-dispatched,.b-submitted,.b-deposited{background:#e3effd;color:#1d4f91}
.b-delivered,.b-approved{background:#e2f4f7;color:#0a6c86}
.b-paid,.b-cleared{background:var(--ok-bg);color:var(--ok)}
.b-queried,.b-bounced{background:var(--bad-bg);color:var(--bad)}
.b-cancelled{background:#eef0f2;color:#7a8590}

/* Print documents */
body.print{background:#e9edf0}
.printbar{max-width:860px;margin:16px auto;display:flex;gap:14px;align-items:center}
.printbar button{background:var(--brand);color:#fff;border:0;border-radius:8px;padding:10px 16px;font:inherit;font-weight:600;cursor:pointer}
.sheet{background:#fff;max-width:860px;margin:0 auto 40px;padding:40px 44px;box-shadow:var(--shadow)}
.doc-head{display:flex;justify-content:space-between;gap:20px;border-bottom:2px solid var(--ink);padding-bottom:14px;margin-bottom:18px}
.doc-co{font-size:24px;font-weight:800}
.doc-title{font-size:18px;font-weight:800;letter-spacing:.08em}
.doc-head .r{text-align:right}
.doc-parties{margin-bottom:16px}
.lbl{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.tbl.doc{margin:8px 0 18px}
.tbl.doc th,.tbl.doc td{border:1px solid #c9d3db}
.signs{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:70px}
.signs div{border-top:1px solid var(--ink);padding-top:6px;font-size:13px;text-align:center}
@media print{
  body.print{background:#fff}.noprint{display:none!important}
  .sheet{box-shadow:none;margin:0;padding:0;max-width:none}
  @page{size:A4;margin:14mm}
}

/* Mobile */
@media (max-width:900px){
  .menu-btn{display:block}
  .side{position:fixed;left:0;top:56px;z-index:30;transform:translateX(-100%);transition:transform .2s;box-shadow:2px 0 12px rgba(0,0,0,.12)}
  body.nav-open .side{transform:none}
  .main{padding:16px 16px 60px}
  .grid2,.grid3{grid-template-columns:1fr}
  .who span{display:none}
  .dl{grid-template-columns:1fr}
  .dl dt{margin-top:6px}
  .inline-form .fld input{width:100%}
  .tbl th,.tbl td{padding:8px 6px}
  .card{padding:14px}
  .card>.tbl{display:block;overflow-x:auto}
  .sheet{padding:20px 16px}
  .signs{grid-template-columns:1fr;margin-top:40px}
}