[hidden]{display:none!important}
:root{
  --bg:#f4f6f5; --card:#fff; --ink:#18211e; --muted:#66736e; --line:#e2e7e4;
  --accent:#0f766e; --accent-ink:#fff; --accent-soft:#e3f2ef;
  --red:#b42318; --red-soft:#fdecea; --amber:#a15c07; --amber-soft:#fef4e2; --green:#157347; --green-soft:#e6f4ec;
  --radius:10px; --side:220px;
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans Bengali", "SolaimanLipi", Roboto, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-size:14px;line-height:1.45}
a{color:var(--accent);text-decoration:none} a:hover{text-decoration:underline}
h1{font-size:20px;margin:0} h2{font-size:16px;margin:0 0 10px} h3{font-size:14px;margin:0 0 8px}
.muted{color:var(--muted)} .small{font-size:12px} .right{text-align:right} .num{text-align:right;font-variant-numeric:tabular-nums}
.req{color:var(--red)}

/* ---------- shell */
header.top{position:fixed;top:0;left:0;right:0;height:52px;background:#12312c;color:#fff;display:flex;align-items:center;gap:12px;padding:0 14px;z-index:20}
header.top a{color:#fff} .brand{font-weight:700;font-size:16px;letter-spacing:.2px}
.branch-switch select,.branch-chip{background:#1d4740;color:#fff;border:0;border-radius:6px;padding:5px 8px;font-size:13px}
.spacer{flex:1} .user-chip small{opacity:.7;margin-left:4px}
.menu-btn{display:none;background:none;border:0;color:#fff;font-size:20px}
nav.side{position:fixed;top:52px;bottom:0;left:0;width:var(--side);background:#fff;border-right:1px solid var(--line);overflow-y:auto;padding:10px 8px 40px;z-index:10}
nav.side a{display:block;padding:7px 10px;border-radius:7px;color:var(--ink)}
nav.side a:hover{background:var(--bg);text-decoration:none}
nav.side a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
nav.side details summary{padding:8px 10px;font-weight:600;color:var(--muted);cursor:pointer;font-size:12px;text-transform:uppercase;letter-spacing:.5px}
nav.side details a{padding-left:18px}
main.content{margin:52px 0 0 var(--side);padding:20px 22px 60px;max-width:1500px}
@media (max-width:900px){
  .menu-btn{display:block} nav.side{transform:translateX(-100%);transition:.2s} body.nav-open nav.side{transform:none;box-shadow:0 0 40px #0003}
  main.content{margin-left:0;padding:14px} .user-chip small{display:none}
  .brand{min-width:0;max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .branch-switch select,.branch-chip{max-width:28vw} .user-chip{display:none}
}

/* ---------- blocks */
.page-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.page-head .actions{display:flex;gap:8px;flex-wrap:wrap}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.grid{display:grid;gap:14px} .g2{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(3,1fr)} .g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.g2,.g3,.g4{grid-template-columns:1fr 1fr}} @media (max-width:560px){.g2,.g3,.g4{grid-template-columns:1fr}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat .label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}
.stat .value{font-size:22px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.stat.warn .value{color:var(--amber)} .stat.bad .value{color:var(--red)}

.flash{padding:10px 14px;border-radius:8px;margin-bottom:12px;border:1px solid}
.flash.ok{background:var(--green-soft);border-color:#b7e0c8;color:var(--green)}
.flash.err{background:var(--red-soft);border-color:#f5c2bd;color:var(--red)}
.flash.warn{background:var(--amber-soft);border-color:#f3d9a8;color:var(--amber)}

.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}
.badge.red{background:var(--red-soft);color:var(--red)} .badge.amber{background:var(--amber-soft);color:var(--amber)}
.badge.green{background:var(--green-soft);color:var(--green)} .badge.grey{background:#eef0ef;color:var(--muted)}

/* ---------- forms */
input,select,textarea{font:inherit;padding:8px 10px;border:1px solid #cfd7d3;border-radius:7px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
label{display:block;font-weight:500;font-size:13px}
label>input,label>select,label>textarea,label>div{display:block;margin-top:4px}
label>small{display:block;margin-top:3px;font-weight:400}
label.check{flex-direction:row;align-items:center;gap:8px} label.check input{width:auto}
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px 16px}
.form-grid .full{grid-column:1/-1}
fieldset{border:1px solid var(--line);border-radius:8px;margin:0 0 12px;padding:10px 12px} legend{font-weight:600;padding:0 6px}
.filters{display:flex;gap:8px;align-items:flex-end;flex-wrap:wrap;margin-bottom:12px}
.filters input,.filters select{width:auto;min-width:140px}
.filters label{display:block}
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);padding:8px 14px;border-radius:7px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(1.08);text-decoration:none}
.btn.ghost{background:#fff;color:var(--ink);border-color:#cfd7d3} .btn.danger{background:var(--red);border-color:var(--red)}
.btn.sm{padding:4px 10px;font-size:12px} .btn.block{width:100%;justify-content:center} .btn.lg{padding:12px 20px;font-size:16px}
.btn:disabled{opacity:.5;cursor:not-allowed}
button.link{background:none;border:0;color:var(--accent);cursor:pointer;padding:0;font:inherit}
form.inline{display:inline}

/* ---------- tables */
.table-wrap{padding:0;overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#f8faf9;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.3px;position:sticky;top:0}
tbody tr:hover{background:#fafcfb} tr.inactive td{opacity:.5}
td.empty,.empty{text-align:center;color:var(--muted);padding:30px}
tfoot td{font-weight:700;background:#f8faf9}
.row-actions{white-space:nowrap;text-align:right}
.pager{display:flex;gap:6px;align-items:center;margin:8px 0} .pager a,.pager b{padding:3px 9px;border:1px solid var(--line);border-radius:6px;background:#fff}
.pager b{background:var(--accent);color:#fff} .pager .muted{margin-left:10px}
.tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:12px;border-bottom:1px solid var(--line)}
.tabs a{padding:8px 12px;border-radius:7px 7px 0 0;color:var(--muted)} .tabs a.on{background:#fff;border:1px solid var(--line);border-bottom-color:#fff;margin-bottom:-1px;color:var(--ink);font-weight:600}

/* ---------- POS */
.pos{display:grid;grid-template-columns:1fr 360px;gap:14px;align-items:start}
@media (max-width:1050px){.pos{grid-template-columns:1fr}}
.pos-search{position:relative}
.pos-search input{font-size:17px;padding:12px 14px}
.suggest{position:absolute;left:0;right:0;top:100%;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px #0002;z-index:5;max-height:380px;overflow:auto}
.suggest div{padding:9px 12px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line)}
.suggest div.on,.suggest div:hover{background:var(--accent-soft)}
.cart td input{width:70px;padding:5px} .cart td select{width:auto;padding:5px}
.pay-box .line{display:flex;justify-content:space-between;padding:4px 0}
.pay-box .total{font-size:26px;font-weight:800;border-top:2px solid var(--ink);margin-top:6px;padding-top:8px}
.pay-box label{margin-top:8px}
.kbd{font-size:11px;border:1px solid var(--line);border-radius:4px;padding:0 5px;color:var(--muted)}
.alloc{font-size:12px;color:var(--muted)}

/* ---------- login */
.login-page{display:grid;place-items:center;min-height:100vh;background:linear-gradient(160deg,#12312c,#0f766e)}
.login-card{background:#fff;padding:28px;border-radius:14px;width:min(380px,92vw);display:flex;flex-direction:column;gap:12px;box-shadow:0 30px 60px #0004}
.login-card.wide{width:min(640px,94vw)} .login-card h1{text-align:center} .login-card p{text-align:center;margin:-8px 0 6px}
.login-mark{width:52px;height:52px;border-radius:14px;background:var(--accent);color:#fff;font-size:28px;display:grid;place-items:center;margin:0 auto}

/* ---------- print */
@media print{
  header.top,nav.side,.no-print,.page-head .actions,.filters{display:none!important}
  main.content{margin:0;padding:0} .card{border:0;padding:0} body{background:#fff}
}

.demo-logins{border-top:1px solid var(--line);padding-top:10px;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.demo-logins p{width:100%;text-align:center;margin:0}