:root{
  --navy:#0b1b3a;
  --navy-2:#12264d;
  --accent:#1e5fde;
  --accent-2:#3b82f6;
  --bg:#eef2f8;
  --card:#fff;
  --text:#152238;
  --muted:#66748c;
  --line:#e3e9f3;
  --ok:#0f9d58;
  --warn:#d97706;
  --bad:#dc2626;
  --info:#2563eb;
  --sidebar:276px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:"Hind Siliguri","Noto Sans Bengali",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px}
a{color:var(--accent);text-decoration:none}
img{max-width:100%}
.app{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);background:
  radial-gradient(1200px 280px at -10% -10%, rgba(59,130,246,.28), transparent 50%),
  radial-gradient(800px 240px at 120% 20%, rgba(14,165,233,.16), transparent 46%),
  linear-gradient(180deg,#071427 0%, #0b1b3a 42%, #10244f 100%);
  color:#dbe6ff;position:fixed;inset:0 auto 0 0;overflow:auto;z-index:40;border-right:1px solid rgba(255,255,255,.06);
  display:flex;flex-direction:column;box-shadow:12px 0 40px rgba(3,10,28,.35)}
.side-glow{position:absolute;inset:auto -40px 80px auto;width:160px;height:160px;background:radial-gradient(circle,rgba(30,95,222,.35),transparent 70%);pointer-events:none}
.brand{display:flex;gap:12px;align-items:center;padding:18px 16px 16px;border-bottom:1px solid rgba(255,255,255,.08);position:relative}
.brand:after{content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,#3b82f6,transparent);opacity:.7}
.brand img{width:44px;height:44px;border-radius:14px;object-fit:cover;background:#fff;box-shadow:0 8px 20px rgba(30,95,222,.35)}
.brand h1{font-size:14px;line-height:1.25;margin:0;color:#fff;letter-spacing:.01em}
.brand small{display:block;color:#8fb0ff;font-weight:500;font-size:11px;margin-top:2px}
.nav{padding:14px 12px 18px;flex:1}
.nav a,.nav-group summary{display:flex;align-items:center;gap:10px;color:#c9d7f5;padding:10px 12px;border-radius:12px;margin:3px 0;font-weight:600;transition:.18s ease}
.nav a:hover,.nav-group summary:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px)}
.nav a.active,.nav a.sub.active{background:linear-gradient(90deg,rgba(30,95,222,.95),rgba(56,189,248,.75));color:#fff;box-shadow:0 8px 18px rgba(30,95,222,.28)}
.nav .sec{margin:12px 8px 6px;font-size:11px;letter-spacing:.08em;color:#7e93c4;text-transform:uppercase}
.main{margin-left:var(--sidebar);flex:1;min-width:0}
.topbar{background:linear-gradient(180deg,#fff,#f7f9ff);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:12px 18px;position:sticky;top:0;z-index:20;gap:12px;flex-wrap:wrap;box-shadow:0 6px 18px rgba(11,27,58,.05)}
.topbar .search{flex:1;min-width:200px;max-width:460px}
.topbar input{width:100%;border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-family:inherit;background:#fff}
.head-brand{min-width:180px}
.hb-title{font-weight:700;color:var(--navy);font-size:15px;line-height:1.2}
.hb-sub{font-size:12px;color:var(--muted)}
.head-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.due-pill{background:#fff4e0;color:#9a5b00;border-radius:999px;padding:7px 12px;font-weight:600;font-size:13px}
.due-pill.hot{background:#ffe8e8;color:#b42318;animation:pulse 1.6s infinite}
.due-pill b{margin-left:4px}
.lang-switch{display:flex;background:#eef3ff;border-radius:999px;padding:3px}
.lang-switch a{padding:5px 10px;border-radius:999px;color:#345;font-weight:700;font-size:12px}
.lang-switch a.on{background:var(--accent);color:#fff}
.content{padding:18px}
.page-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:10px;flex-wrap:wrap}
.page-h h2{margin:0;font-size:22px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px}
.stat .k{color:var(--muted);font-size:12px}
.stat .v{font-size:22px;font-weight:700;margin-top:4px}
.stat.blue{border-top:3px solid var(--accent)}
.stat.green{border-top:3px solid var(--ok)}
.stat.orange{border-top:3px solid var(--warn)}
.stat.red{border-top:3px solid var(--bad)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--accent);color:#fff;border:0;border-radius:10px;padding:9px 14px;font-family:inherit;font-weight:600;cursor:pointer;font-size:14px}
.btn:hover{filter:brightness(1.05)}
.btn-ghost{background:#eef3ff;color:var(--accent)}
.btn-ok{background:var(--ok)}
.btn-warn{background:var(--warn)}
.btn-bad{background:var(--bad)}
.btn-lg{padding:12px 18px;font-size:16px}
.table-wrap{overflow:auto}
table.data{width:100%;border-collapse:collapse}
table.data th,table.data td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
table.data th{font-size:12px;color:var(--muted);font-weight:600}
table.data tr:hover td{background:#f7f9ff}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600}
.badge-ok{background:#e7f8ee;color:#0b7a3c}
.badge-warn{background:#fff4e0;color:#9a5b00}
.badge-bad{background:#ffe8e8;color:#b42318}
.badge-info{background:#e8f0ff;color:#1e4fc0}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.form-grid.two{grid-template-columns:repeat(2,1fr)}
label.f{display:block;font-size:13px;font-weight:600;margin:0 0 4px}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:14px;background:#fff}
.flash{padding:10px 12px;border-radius:10px;margin-bottom:12px}
.flash-success{background:#e7f8ee;color:#0b6b34}
.flash-error{background:#ffe8e8;color:#8a1c1c}
.flash-info{background:#e8f0ff;color:#1e4fc0}
.pager{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}
.pager a{padding:4px 10px;border:1px solid var(--line);border-radius:8px;color:var(--text)}
.pager a.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.muted{color:var(--muted)}
.right{margin-left:auto}
.hide-desk{display:none}
.pos-wrap{display:grid;grid-template-columns:.92fr 1.28fr;gap:12px;min-height:calc(100vh - 90px)}
.pos-search input{font-size:16px;padding:12px}
.pos-items{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px;max-height:58vh;overflow:auto}
.pitem{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff;cursor:pointer}
.pitem:hover{border-color:var(--accent)}
.pitem b{display:block}
.cart table td{font-size:13px}
.pay-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.totalline{display:flex;justify-content:space-between;padding:4px 0}
.totalline.big{font-size:18px;font-weight:800;color:var(--navy)}
.modal{position:fixed;inset:0;background:rgba(11,27,58,.55);display:none;align-items:center;justify-content:center;z-index:80;padding:16px}
.modal.show{display:flex}
.modal .box{background:#fff;border-radius:16px;max-width:720px;width:100%;max-height:90vh;overflow:auto;padding:18px}
@media(max-width:980px){
  .sidebar{transform:translateX(-100%);transition:.2s}
  .sidebar.open{transform:none}
  .main{margin-left:0}
  .cards{grid-template-columns:1fr 1fr}
  .form-grid,.form-grid.two{grid-template-columns:1fr}
  .pos-wrap{grid-template-columns:1fr}
  .pos-items{grid-template-columns:1fr 1fr}
  .hide-desk{display:inline-flex}
}
.print-only{display:none}
@media print{
  .sidebar,.topbar,.no-print{display:none!important}
  .main{margin:0}
  .print-only{display:block}
}
.invoice{max-width:800px;margin:0 auto;background:#fff;padding:20px}
.inv-row{display:flex;justify-content:space-between}
.thermal{width:280px;margin:0 auto;font-size:12px}
.chart-box{height:240px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:800px){.two-col{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.dash-grid{grid-template-columns:1fr}}
.nav-group{margin:6px 0;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.05);border-radius:14px;padding:4px;overflow:hidden}
.nav-group[open]{background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px rgba(59,130,246,.15)}
.nav-group summary{list-style:none;cursor:pointer;color:#fff;padding:10px 12px;border-radius:12px;font-weight:700;background:transparent;margin:0}
.nav-group summary::-webkit-details-marker{display:none}
.nav-group summary:after{content:"";width:7px;height:7px;border-right:2px solid #9db4e8;border-bottom:2px solid #9db4e8;transform:rotate(45deg);margin-left:auto;transition:.2s}
.nav-group[open] summary:after{transform:rotate(225deg);margin-top:4px}
.nav-group .subs{padding:2px 6px 8px 8px}
.nav a.sub{font-size:13px;padding:8px 12px;color:#b9c8ea;position:relative;font-weight:500;display:flex;align-items:center}
.nav a.logout{margin-top:12px;color:#ffd4d4;background:rgba(220,38,38,.12);border:1px solid rgba(248,113,113,.18)}
.nav a.logout:hover{background:rgba(220,38,38,.22);color:#fff}
.sidebar svg,.nav svg,.ico svg{width:18px!important;height:18px!important;max-width:18px!important;max-height:18px!important;display:block;flex:none}
.ico{width:30px;height:30px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 30px;overflow:hidden;background:rgba(255,255,255,.1);color:#dbeafe}
.nav a,.nav-group summary,.pos-go{flex-wrap:nowrap}
.g-sale .ico{background:rgba(59,130,246,.22);color:#93c5fd}
.g-box .ico{background:rgba(168,85,247,.2);color:#d8b4fe}
.g-cart .ico{background:rgba(34,197,94,.18);color:#86efac}
.g-user .ico{background:rgba(251,146,60,.2);color:#fdba74}
.g-cash .ico{background:rgba(16,185,129,.2);color:#6ee7b7}
.g-gear .ico{background:rgba(148,163,184,.2);color:#cbd5e1}
.pos-go{display:flex;align-items:center;gap:10px;margin:8px 0 12px;padding:11px 12px;border-radius:14px;background:linear-gradient(90deg,#1d4ed8,#0ea5e9);color:#fff!important;font-weight:800;box-shadow:0 10px 22px rgba(14,165,233,.28)}
.pos-go .ico{background:rgba(255,255,255,.2);color:#fff}
.pos-go:hover{filter:brightness(1.08);transform:translateY(-1px)}
.mini-badge{margin-left:auto;background:#fb7185;color:#fff;border-radius:999px;font-size:11px;font-style:normal;padding:1px 7px;font-weight:800}
.nav a.sub .dot{width:6px;height:6px;border-radius:50%;background:#4b6aa3;display:inline-block;margin-right:8px;flex:0 0 6px}
.nav a.sub.active .dot{background:#fff}
.nav a.sub{padding-left:14px}
.side-user{display:flex;gap:10px;align-items:center;padding:12px 14px;margin:8px 12px 16px;border-radius:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08)}
.su-ava{width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,#3b82f6,#22d3ee);display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff}
.side-user b{display:block;color:#fff;font-size:13px;line-height:1.2}
.side-user small{color:#9db4e8;font-size:11px}
.stat{animation:up .45s ease both}
.stats-anim .stat:nth-child(2){animation-delay:.05s}
.stats-anim .stat:nth-child(3){animation-delay:.1s}
.stats-anim .stat:nth-child(4){animation-delay:.15s}
.dash-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:12px}
.card-h{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.card-h h3{margin:0}
.legend{font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center}
.lg{width:10px;height:10px;border-radius:3px;display:inline-block}
.lg.s{background:#1e5fde}.lg.c{background:#0f9d58}
.seg{display:flex;gap:6px;margin:8px 0;flex-wrap:wrap}
.seg a{padding:6px 10px;border-radius:999px;background:#eef3ff;color:#234;font-size:13px;font-weight:600}
.seg a.on{background:var(--accent);color:#fff}
.emi-list{max-height:280px;overflow:auto}
.emi-row{display:flex;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid var(--line);align-items:center}
.emi-row small{display:block;color:var(--muted)}
.emi-amt{text-align:right;font-weight:700}
@keyframes up{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.04)}}
.chart-card,.emi-card{min-height:340px}
.btn-sm{padding:6px 10px;font-size:12px;border-radius:8px}
.card{box-shadow:0 8px 24px rgba(15,35,80,.05)}
table.data th{background:#f5f8fd}
.pos-items .pitem{border:1px solid var(--line);border-radius:12px;padding:10px;cursor:pointer;background:#fff;transition:.15s}
.pos-items .pitem:hover{border-color:var(--accent);box-shadow:0 8px 16px rgba(30,95,222,.12)}
.sign-row{display:flex;justify-content:space-between;gap:24px;margin-top:48px}
.sign-box{width:42%;text-align:center;font-size:13px;color:#445}
.sign-line{border-top:1px solid #333;margin-top:56px;margin-bottom:6px}