/* Layout: one working screen for the counter. Header (brand, branch, tabs), then cashier = customer lookup, menu beside a sticky cart, then the statement. */
:root{
  --bg:#f1f7f7; --surface:#ffffff; --ink:#12363a; --muted:#587a7e; --line:#d3e2e3;
  --brand:#2d7b83; --brand-ink:#ffffff; --soft:#e1eeef; --deep:#0f4c52;
  --good:#1c7a4d; --warn:#a85d00; --bad:#b3261e; --warn-bg:#fbf0dc; --bad-bg:#fbe6e4; --good-bg:#def3e8;
  --f-body:'IBM Plex Sans Arabic','Segoe UI',Tahoma,Arial,sans-serif;
  --f-brand:'Reem Kufi','IBM Plex Sans Arabic','Segoe UI',Tahoma,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0d1b1d; --surface:#142629; --ink:#e3f0f0; --muted:#8eb0b3; --line:#244246;
    --brand:#5db2b9; --brand-ink:#05282b; --soft:#1b3639; --deep:#9fd6da;
    --good:#58c78f; --warn:#e6a64a; --bad:#ff8a80; --warn-bg:#3a2d14; --bad-bg:#3d1f1d; --good-bg:#14352a;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0d1b1d; --surface:#142629; --ink:#e3f0f0; --muted:#8eb0b3; --line:#244246;
  --brand:#5db2b9; --brand-ink:#05282b; --soft:#1b3639; --deep:#9fd6da;
  --good:#58c78f; --warn:#e6a64a; --bad:#ff8a80; --warn-bg:#3a2d14; --bad-bg:#3d1f1d; --good-bg:#14352a;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{
  margin:0; background:var(--bg); color:var(--ink); direction:rtl;
  font-family:var(--f-body); font-size:15px; line-height:1.55;
  padding-block:0;
  padding-left:max(16px,env(safe-area-inset-left,0px));
  padding-right:max(16px,env(safe-area-inset-right,0px));
}
button,input,select{font:inherit;color:inherit}
.wrap{max-width:1120px;margin-inline:auto;padding-block:16px 48px;display:flex;flex-direction:column;gap:16px}
.num{font-variant-numeric:tabular-nums}

/* header */
.top{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand svg{width:40px;height:40px;flex:none;color:var(--brand)}
.brand h1{margin:0;font-family:var(--f-brand);font-weight:700;font-size:28px;line-height:1.1;color:var(--deep)}
.brand p{margin:2px 0 0;color:var(--muted);font-size:13px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;background:var(--surface);overflow:hidden}
.seg button{border:0;background:transparent;padding:9px 16px;min-height:40px;cursor:pointer;color:var(--muted);font-weight:500}
.seg button+button{border-inline-start:1px solid var(--line)}
.seg button.on{background:var(--brand);color:var(--brand-ink);font-weight:600}
.bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.bar .tabs{flex:1 1 auto}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs button{border:0;background:transparent;padding:10px 16px;min-height:44px;cursor:pointer;color:var(--muted);font-weight:500;border-bottom:3px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button.on{color:var(--deep);border-bottom-color:var(--brand);font-weight:700}
.lbl{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}

/* panels */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;min-width:0}
.panel h2{margin:0 0 12px;font-size:17px;font-weight:700}
.panel h3{margin:0 0 8px;font-size:14px;font-weight:600;color:var(--muted)}
.in{width:100%;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:10px 12px;min-height:44px;outline:none}
.in:focus-visible,.btn:focus-visible,.seg button:focus-visible,.tabs button:focus-visible,.pkg:focus-visible,.pr:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.in.big{font-size:22px;font-weight:600;letter-spacing:.06em;text-align:right}
.hint{margin:10px 0 0;color:var(--muted);font-size:14px}
.btn{border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:9px 16px;min-height:44px;cursor:pointer;font-weight:600}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}
.btn.small{min-height:34px;padding:4px 12px;font-size:13px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* customer card */
.cust{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:flex-end;justify-content:space-between}
.cust .nm{font-size:20px;font-weight:700}
.cust .ph{color:var(--muted);direction:ltr;display:inline-block}
.bal{text-align:start}
.bal small{display:block;color:var(--muted);font-size:13px}
.bal b{font-size:40px;line-height:1.1;font-weight:700;color:var(--good);font-variant-numeric:tabular-nums}
.bal b.low{color:var(--warn)} .bal b.zero{color:var(--bad)}
.bal b span{font-size:16px;font-weight:500;color:var(--muted);margin-inline-start:6px}
.pkgs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.pkg{border:1px solid var(--line);background:var(--bg);border-radius:12px;padding:12px 8px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:2px;min-height:84px}
.pkg span{font-size:14px;color:var(--muted)}
.pkg b{font-size:19px;color:var(--deep);font-variant-numeric:tabular-nums}
.pkg small{font-size:12px;color:var(--good);font-weight:600}
.pkg.on{border-color:var(--brand);background:var(--soft)}
.confirm{margin-top:12px;border:1px solid var(--brand);background:var(--soft);border-radius:10px;padding:12px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.confirm p{margin:0;flex:1 1 220px}

/* cashier grid */
.grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:16px;align-items:start}
.cartpanel{position:sticky;top:12px}
.menu{max-height:560px;overflow-y:auto;margin-top:10px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.item{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--line)}
.item:last-child{border-bottom:0}
.item .n{font-weight:500;flex:1 1 130px;min-width:0}
.item .n small{display:block;color:var(--muted);font-size:12px}
.prs{display:flex;gap:6px;flex-wrap:wrap}
.pr{border:1px solid var(--line);background:var(--surface);border-radius:8px;min-height:40px;padding:4px 10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;line-height:1.2;min-width:62px}
.pr span{font-size:11px;color:var(--muted)}
.pr b{font-size:15px;color:var(--deep);font-variant-numeric:tabular-nums}
.pr:active{background:var(--soft)}
.manual{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr) auto;gap:8px;margin-top:10px}
.cart{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.cart li{display:flex;gap:8px;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}
.cart .t{flex:1 1 auto;min-width:0}
.cart .t small{display:block;color:var(--muted);font-size:12px}
.qty{display:inline-flex;align-items:center;gap:2px}
.qty button{width:36px;height:36px;border:1px solid var(--line);background:var(--bg);border-radius:8px;cursor:pointer;font-size:18px;line-height:1}
.qty span{min-width:26px;text-align:center;font-weight:600}
.cart .ln{min-width:48px;text-align:end;font-weight:600;font-variant-numeric:tabular-nums}
.sum{display:flex;justify-content:space-between;align-items:baseline;padding:12px 0 4px}
.sum b{font-size:24px;font-variant-numeric:tabular-nums}
.note{border-radius:10px;padding:10px 12px;font-size:14px;margin:8px 0}
.note.warn{background:var(--warn-bg);color:var(--warn)}
.note.bad{background:var(--bad-bg);color:var(--bad)}
.empty{color:var(--muted);text-align:center;padding:20px 8px;font-size:14px}

/* statement */
.st{list-style:none;margin:0;padding:0}
.st li{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:4px 16px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.st li:last-child{border-bottom:0}
.st .d b{font-weight:600}
.st .d small{display:block;color:var(--muted);font-size:12px}
.st .amt{font-weight:700;font-variant-numeric:tabular-nums;text-align:end}
.st .amt.pos{color:var(--good)} .st .amt.neg{color:var(--bad)}
.st .amt small{display:block;font-weight:500;color:var(--muted);font-size:12px}
.st .run{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums;min-width:52px;text-align:end}
.st li.void .d,.st li.void .amt{opacity:.5;text-decoration:line-through}
.st .act{grid-column:1/-1}
.tag{display:inline-block;font-size:11px;padding:1px 8px;border-radius:99px;background:var(--soft);color:var(--deep);margin-inline-start:6px;font-weight:600}
.tag.lowt{background:var(--warn-bg);color:var(--warn)}
.tag.zerot{background:var(--bad-bg);color:var(--bad)}

/* tables */
.tw{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:520px}
th,td{padding:10px 12px;text-align:start;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:13px;color:var(--muted);font-weight:600}
td.n,th.n{text-align:end;font-variant-numeric:tabular-nums}
tr.tot td{font-weight:700;border-bottom:0;background:var(--soft)}
tbody tr.click{cursor:pointer}
tbody tr.click:hover{background:var(--soft)}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.kpi small{color:var(--muted);font-size:13px;display:block}
.kpi b{font-size:26px;font-variant-numeric:tabular-nums;display:block;margin-top:2px}
.kpi em{font-style:normal;font-size:12px;color:var(--muted)}
.banner{border-radius:10px;padding:10px 14px;background:var(--warn-bg);color:var(--warn);font-size:14px}
.toast{position:fixed;inset-inline:0;bottom:calc(16px + env(safe-area-inset-bottom,0px));display:flex;justify-content:center;pointer-events:none;z-index:20}
.toast span{background:var(--deep);color:var(--bg);padding:10px 18px;border-radius:10px;font-weight:600;box-shadow:0 6px 24px rgba(0,0,0,.25)}
@media (max-width:820px){
  .grid{grid-template-columns:minmax(0,1fr)}
  .cartpanel{position:static}
  .menu{max-height:420px}
  .brand h1{font-size:24px}
  .manual{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .manual .btn{grid-column:1/-1}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- الفاتورة 80mm ---------- */
.ovl{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;justify-content:center;align-items:flex-start;overflow:auto;padding:16px;z-index:50}
.ovb{background:var(--surface);color:var(--text,inherit);border-radius:14px;padding:14px;max-width:380px;width:100%}
.rcpt{background:#fff;color:#000;width:72mm;max-width:100%;margin:0 auto;padding:4mm 3mm;font-size:11px;line-height:1.5;direction:rtl;font-family:'IBM Plex Sans Arabic',system-ui,sans-serif}
.rcpt .rh{text-align:center;border-bottom:1px dashed #000;padding-bottom:6px;margin-bottom:6px}
.rcpt .rh b{font-size:16px;display:block}
.rcpt .rt{text-align:center;font-weight:700;font-size:13px;margin:4px 0}
.rcpt .rr{display:flex;justify-content:space-between;gap:8px}
.rcpt .rr.big{font-size:14px;border-top:1px dashed #000;border-bottom:1px dashed #000;padding:3px 0;margin:4px 0}
.rcpt table{width:100%;min-width:0;table-layout:fixed;border-collapse:collapse;margin:6px 0;font-size:11px}
.rcpt th:nth-child(1){width:46%}.rcpt th:nth-child(2){width:14%}.rcpt th:nth-child(3){width:18%}.rcpt th:nth-child(4){width:22%}
.rcpt th{border-bottom:1px solid #000;text-align:right;font-weight:700}
.rcpt td,.rcpt th{padding:2px 1px;vertical-align:top;color:#000;background:none;white-space:normal;border-bottom:1px dotted #999;font-size:11px}
.rcpt th{border-bottom:1px solid #000}
.rcpt td small{display:block;font-size:9px}
.rcpt .rq{width:34mm;margin:6px auto}.rcpt .rq svg{width:100%;height:auto;display:block}
.rcpt .rf{text-align:center;margin-top:8px;border-top:1px dashed #000;padding-top:6px}
@media print{
  @page{size:80mm auto;margin:0}
  html,body{background:#fff!important}
  body>*:not(#app){display:none!important}
  #app>*:not(#invwrap){display:none!important}
  .ovl{position:static;background:none;padding:0;display:block;overflow:visible}
  .ovb{padding:0;max-width:none;border-radius:0;background:#fff}
  .noprint{display:none!important}
  .rcpt{width:72mm}
}