/* ===== Inventory POS — মূল স্টাইল ===== */
:root{
  --bg:#f3f5fa; --card:#ffffff; --ink:#1b2233; --muted:#6c7791;
  --brand:#2563eb; --brand-dark:#1d4ed8; --brand-soft:#e8efff;
  --ok:#16a34a; --warn:#d97706; --err:#dc2626;
  --line:#e3e8f0; --side:#111827; --side-ink:#c7cede; --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Noto Sans Bengali","Hind Siliguri","Segoe UI",system-ui,-apple-system,sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; line-height:1.55;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 10px;line-height:1.3}
h3{font-size:15px;color:var(--muted);text-transform:none;margin-top:18px}
code{background:#eef1f7;padding:1px 5px;border-radius:5px;font-size:.92em}
.muted{color:var(--muted)}
.small{font-size:13px}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}

/* ===== লেআউট ===== */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:236px;flex:0 0 236px;background:var(--side);color:var(--side-ink);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh
}
.brand{display:flex;gap:10px;align-items:center;padding:16px 16px 14px;border-bottom:1px solid #1f2937}
.brand strong{display:block;color:#fff;font-size:14px}
.brand small{color:#8b95ab;font-size:11px}
.brand-mark{
  background:var(--brand);color:#fff;font-weight:700;font-size:12px;
  padding:7px 8px;border-radius:8px;letter-spacing:.5px
}
.brand-mark.big{font-size:18px;padding:12px 14px;border-radius:12px}
.nav{padding:10px 8px;overflow-y:auto;flex:1}
.nav a{
  display:flex;align-items:center;gap:10px;color:var(--side-ink);
  padding:9px 12px;border-radius:9px;font-size:14px;margin-bottom:2px
}
.nav a:hover{background:#1f2937;color:#fff;text-decoration:none}
.nav a.active{background:var(--brand);color:#fff}
.nav .ico{width:18px;text-align:center;font-size:14px;opacity:.9}
.side-foot{border-top:1px solid #1f2937;padding:12px 16px;font-size:13px}
.side-foot .who strong{color:#fff;display:block;font-size:13px}
.side-foot .who small{color:#8b95ab}
.side-foot .logout{display:inline-block;margin-top:8px;color:#f87171}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;gap:14px;background:var(--card);
  padding:14px 22px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20
}
.topbar h1{font-size:19px;margin:0;flex:1}
.top-actions{display:flex;gap:8px;flex-wrap:wrap}
.burger{display:none;background:none;border:0;font-size:19px;cursor:pointer}
.content-pad{padding:20px 22px}

/* ===== কার্ড ===== */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin-bottom:16px
}
.card h2{font-size:16px}
.card > :last-child{margin-bottom:0}
.grid{display:grid;gap:14px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.grid-auto{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.stack{display:flex;flex-direction:column;gap:14px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.tight{gap:6px}

/* ===== স্ট্যাট কার্ড ===== */
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:15px 16px}
.stat .label{color:var(--muted);font-size:12.5px;margin-bottom:6px}
.stat .value{font-size:22px;font-weight:700;letter-spacing:-.3px}
.stat .sub{font-size:12px;color:var(--muted);margin-top:4px}
.stat.accent{background:linear-gradient(135deg,#2563eb,#4f46e5);border:0;color:#fff}
.stat.accent .label,.stat.accent .sub{color:#dbe4ff}
.stat.ok .value{color:var(--ok)}
.stat.err .value{color:var(--err)}
.stat.warn .value{color:var(--warn)}

/* ===== বাটন ===== */
.btn{
  display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:9px 15px;border-radius:9px;font-size:14px;cursor:pointer;font-family:inherit;
  text-decoration:none;line-height:1.2
}
.btn:hover{background:#f7f9fc;text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}
.btn-ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn-ok:hover{background:#15803d;border-color:#15803d}
.btn-danger{background:#fff;border-color:#fca5a5;color:var(--err)}
.btn-danger:hover{background:#fef2f2}
.btn-sm{padding:5px 10px;font-size:13px;border-radius:7px}
.btn-block{display:block;width:100%;text-align:center}
.btn-lg{padding:14px 22px;font-size:16px}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none}

/* ===== ফর্ম ===== */
label{display:block;margin-bottom:12px;font-size:13.5px;color:#374151;font-weight:500}
input[type=text],input[type=password],input[type=number],input[type=date],input[type=email],
input[type=tel],select,textarea{
  width:100%;padding:9px 11px;border:1px solid #d5dbe6;border-radius:9px;
  font-family:inherit;font-size:14.5px;background:#fff;color:var(--ink);margin-top:5px
}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}
label.check{display:flex;align-items:center;gap:8px;font-weight:400}
label.check input{width:auto;margin:0}
textarea{min-height:70px;resize:vertical}
.filter-bar{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.filter-bar label{margin-bottom:0}
.filter-bar label input,.filter-bar label select{min-width:150px}

/* ===== টেবিল ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card)}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data th,table.data td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
table.data th{background:#f8fafc;font-size:12.5px;color:var(--muted);font-weight:600;white-space:nowrap}
table.data tbody tr:hover{background:#fafcff}
table.data tbody tr:last-child td{border-bottom:0}
table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}
.empty{padding:34px;text-align:center;color:var(--muted)}

/* ===== ব্যাজ ===== */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge-ok{background:#dcfce7;color:#15803d}
.badge-warn{background:#fef3c7;color:#b45309}
.badge-err{background:#fee2e2;color:#b91c1c}
.badge-info{background:#e0e7ff;color:#3730a3}
.badge-mute{background:#eef1f6;color:#556}

/* ===== অ্যালার্ট ===== */
.alert{padding:11px 14px;border-radius:10px;margin-bottom:13px;font-size:14px;border:1px solid transparent}
.alert-success{background:#f0fdf4;border-color:#bbf7d0;color:#15803d}
.alert-error{background:#fef2f2;border-color:#fecaca;color:#b91c1c}
.alert-warn{background:#fffbeb;border-color:#fde68a;color:#b45309}
.alert-info{background:#eff6ff;border-color:#bfdbfe;color:#1d4ed8}

/* ===== চার্ট (নির্ভরতা ছাড়া) ===== */
.bars{display:flex;align-items:flex-end;gap:6px;height:150px;padding-top:8px}
.bars .bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:5px;min-width:0}
.bars .bar .fill{width:100%;background:var(--brand);border-radius:6px 6px 0 0;min-height:3px;transition:.2s}
.bars .bar .fill.ok{background:var(--ok)}
.bars .bar:hover .fill{background:var(--brand-dark)}
.bars .bar .cap{font-size:10.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.hbar{display:flex;align-items:center;gap:10px;margin-bottom:8px;font-size:13.5px}
.hbar .name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hbar .track{flex:0 0 45%;background:#eef1f7;border-radius:6px;height:18px;overflow:hidden}
.hbar .track span{display:block;height:100%;background:var(--brand);border-radius:6px}
.hbar .amt{flex:0 0 92px;text-align:right;font-variant-numeric:tabular-nums}

/* ===== লগইন ===== */
.plain-body{background:linear-gradient(135deg,#1e293b,#0f172a);min-height:100vh}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:22px}
.login-wrap.wide{align-items:flex-start;padding-top:38px}
.login-card{width:100%;max-width:390px;margin:0;padding:26px}
.install-card{max-width:640px}
.login-brand{text-align:center;margin-bottom:18px}
.login-brand h1{font-size:19px;margin-top:10px}
.login-brand .brand-mark{display:inline-block}

/* ===== POS স্ক্রিন ===== */
.pos-wrap{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(340px,.95fr);gap:14px;align-items:start}
.pos-cart{position:sticky;top:76px}
.prod-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));max-height:none}
.prod-card{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:9px;
  cursor:pointer;text-align:left;font-family:inherit;display:block
}
.prod-card:hover{border-color:var(--brand);background:var(--brand-soft)}
.prod-card .pbody{display:block}
.prod-card .pname{font-size:13px;font-weight:600;display:block;margin-bottom:5px;line-height:1.35}
.prod-card .pmeta{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:12.5px;color:var(--muted)}
.prod-card .price{color:var(--brand);font-weight:700;font-size:14px;white-space:nowrap}
.prod-card .stk.low{color:var(--err);font-weight:600;white-space:nowrap}

/* পণ্যের ছবি */
.pthumb{
  display:block;width:100%;height:96px;background:#f1f4f9;border-radius:8px;
  overflow:hidden;margin-bottom:8px
}
.pthumb img{width:100%;height:100%;object-fit:cover;display:block}
.pthumb.noimg{display:flex;align-items:center;justify-content:center;color:#a3adc2;font-weight:700;font-size:20px}
.hit{align-items:center}
.hthumb{flex:0 0 42px;width:42px;height:42px;border-radius:8px;overflow:hidden;background:#f1f4f9}
.hthumb img{width:100%;height:100%;object-fit:cover;display:block}
.hmain{flex:1;min-width:0}
.cart-line .cl-info{flex:1;min-width:0}
.cl-thumb{flex:0 0 42px;width:42px;height:42px;border-radius:8px;overflow:hidden;background:#f1f4f9}
.cl-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.cart-lines{max-height:44vh;overflow-y:auto;margin:0 -18px}
.cart-line{display:block;padding:9px 18px;border-bottom:1px solid var(--line)}
.cart-line .cl-top{display:flex;justify-content:space-between;gap:9px;align-items:flex-start}
.cart-line .cl-name{font-size:13.5px;font-weight:600}
.cart-line .cl-sub{font-size:12px;color:var(--muted)}
.cart-line input{width:74px;padding:5px 8px;font-size:13.5px;margin:0}
.cart-line .line-right{display:flex;align-items:center;gap:6px;margin-top:6px}
.cart-line .line-right .lbl{font-size:11.5px;color:var(--muted)}
.cart-line .line-total{font-weight:700;font-size:13.5px;flex:1;text-align:right}
.cart-total{display:flex;justify-content:space-between;padding:5px 0;font-size:14px}
.cart-total.grand{font-size:19px;font-weight:700;border-top:1px dashed var(--line);margin-top:6px;padding-top:10px}
.pay-methods{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0}
.pay-methods button{flex:1;min-width:64px;padding:8px 6px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-family:inherit;font-size:13px}
.pay-methods button.active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.search-hits{position:relative}
.hit-list{
  position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--line);
  border-radius:10px;box-shadow:0 12px 30px rgba(15,23,42,.13);z-index:40;max-height:330px;overflow-y:auto
}
.hit{padding:9px 13px;cursor:pointer;border-bottom:1px solid #f1f4f9;display:flex;justify-content:space-between;gap:10px;font-size:14px}
.hit:hover,.hit.sel{background:var(--brand-soft)}
.hit small{color:var(--muted);display:block;font-size:12px}
.kbd-hint{font-size:12.5px;color:var(--muted)}
.kbd{background:#eef1f7;border:1px solid #d5dbe6;border-bottom-width:2px;border-radius:5px;padding:0 5px;font-size:12px}

/* ===== শিফট ব্যানার ===== */
.shift-banner{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;background:#0f172a;color:#e2e8f5;
  border-radius:var(--radius);padding:11px 16px;margin-bottom:14px;font-size:13.5px
}
.shift-banner .sb-item{display:flex;flex-direction:column;line-height:1.35}
.shift-banner .sb-lbl{font-size:11px;color:#93a1bd}
.shift-banner strong{font-size:14px;color:#fff}
.shift-banner .btn{margin-left:auto;background:#1e293b;border-color:#334155;color:#e2e8f5}
.shift-banner .btn:hover{background:#334155}
.shift-warn{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

/* ===== ভাষা বদল ===== */
.lang-switch{display:flex;gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;flex:0 0 auto}
.lang-switch button{
  border:0;background:#fff;color:var(--muted);font-family:inherit;font-size:12.5px;
  padding:6px 11px;cursor:pointer;line-height:1.2
}
.lang-switch button + button{border-left:1px solid var(--line)}
.lang-switch button.active{background:var(--brand);color:#fff;font-weight:600}
.lang-switch button:hover:not(.active){background:#f3f6fc}
.plain-topbar{display:flex;justify-content:flex-end;padding:14px 16px 0}
.plain-topbar .lang-switch{border-color:#334155}
.plain-topbar .lang-switch button{background:#1e293b;color:#cbd5e1}
.plain-topbar .lang-switch button.active{background:var(--brand);color:#fff}
.plain-topbar .lang-switch button + button{border-left-color:#334155}

/* ===== প্রতিষ্ঠানের লোগো ===== */
.brand-logo{width:42px;height:42px;object-fit:contain;border-radius:9px;background:#fff;padding:3px;flex:0 0 42px}
.login-logo{max-width:170px;max-height:74px;object-fit:contain;display:inline-block;background:#fff;border-radius:12px;padding:8px}
.print-logo{max-height:64px;max-width:190px;object-fit:contain;display:block;margin:0 auto 4px}
.print-logo-sm{max-height:44px;max-width:130px}

/* ===== রোল / অনুমতি ===== */
.perm-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px 16px;
  border:1px solid var(--line);border-radius:10px;padding:12px;background:#fafbfe
}
.perm-item{font-weight:400;margin-bottom:0}

/* ===== স্টাফ ===== */
.staff-head{
  display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;margin-bottom:16px
}
.staff-photo{width:74px;height:74px;border-radius:12px;object-fit:cover;flex:0 0 74px}
.staff-photo-ph{
  display:flex;align-items:center;justify-content:center;background:#e8efff;color:var(--brand);
  font-weight:700;font-size:28px
}

/* ===== হাজিরার গ্রিড ===== */
.att-grid{font-size:12px}
.att-grid th,.att-grid td{padding:4px 5px}
.att-grid a{color:var(--ink);font-weight:600}
.att-grid .a-present,.att-grid .a-absent,.att-grid .a-half,.att-grid .a-leave,.att-grid .a-holiday{
  display:inline-block;min-width:22px;padding:1px 4px;border-radius:6px;font-size:11px;font-weight:600
}
.a-present{background:#dcfce7;color:#15803d}
.a-absent{background:#fee2e2;color:#b91c1c}
.a-half{background:#fef3c7;color:#b45309}
.a-leave{background:#e0e7ff;color:#3730a3}
.a-holiday{background:#eef1f6;color:#556}
.att-select{min-width:130px;padding:5px 8px;font-size:13px}

/* ===== লয়্যালটি ===== */
.loyalty-box{
  border:1px dashed #c7d2fe;background:#f5f7ff;border-radius:10px;
  padding:10px 12px;margin:0 0 10px
}
.loyalty-box .lb-head{display:flex;justify-content:space-between;align-items:center;font-size:13.5px}
.loyalty-box .lb-head strong{color:var(--brand)}
.loyalty-box input[disabled]{background:#eef1f7;color:#98a2b3}
.loyalty-box .btn[disabled]{opacity:.5;pointer-events:none}

/* ===== মডাল ===== */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:flex-start;justify-content:center;z-index:100;padding:40px 16px;overflow-y:auto}
.modal.open{display:flex}
.modal .box{background:#fff;border-radius:14px;padding:20px;width:100%;max-width:520px}
.modal .box.wide{max-width:760px}
.modal h3{margin-top:0;color:var(--ink);font-size:16px}

/* ===== প্রিন্ট (রিসিট) ===== */
.thermal{width:80mm;margin:0 auto;font-family:"Noto Sans Bengali",monospace;font-size:12px;color:#000;background:#fff;padding:4mm}
.thermal h2{text-align:center;font-size:15px;margin:0 0 4px}
.thermal .meta{text-align:center;font-size:11px;margin-bottom:6px}
.thermal table{width:100%;border-collapse:collapse;font-size:11.5px}
.thermal th,.thermal td{padding:2px 0;border-bottom:1px dotted #999}
.thermal .tot td{font-weight:700}
.thermal .foot{text-align:center;margin-top:8px;font-size:11px}
.thermal .hr{border-top:1px dashed #000;margin:5px 0}
.print-bar{max-width:80mm;margin:0 auto 10px;display:flex;gap:8px;justify-content:center}
@media print{
  .no-print{display:none !important}
  body{background:#fff}
  .thermal{padding:0;width:auto}
}

/* ===== রেসপন্সিভ ===== */
@media (max-width:1100px){
  .pos-wrap{grid-template-columns:1fr}
  .pos-cart{position:static}
}
@media (max-width:900px){
  .grid-4,.grid-3{grid-template-columns:1fr 1fr}
  .sidebar{position:fixed;left:0;top:0;z-index:60;transform:translateX(-100%);transition:.2s}
  .sidebar.open{transform:none;box-shadow:0 0 40px rgba(0,0,0,.4)}
  .burger{display:block}
  .main{margin-left:0}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .content-pad{padding:14px}
  .topbar{padding:12px 14px}
}