:root{
  --bg:#f1f5f9;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;
  --side:#0f172a;--side-ink:#cbd5e1;--pri:#ea580c;--pri-d:#c2410c;--pri-soft:#fff7ed;
  --ok:#16a34a;--ok-soft:#dcfce7;--warn:#d97706;--warn-soft:#fef3c7;--bad:#dc2626;--bad-soft:#fee2e2;--info:#2563eb;--info-soft:#dbeafe;
  --r:12px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{overflow-x:hidden}
body{font-family:"IBM Plex Sans Arabic",system-ui,Tahoma,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
.hidden{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;min-width:0}
input:focus,select:focus,textarea:focus{outline:2px solid var(--pri);outline-offset:-1px}
.btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;cursor:pointer;white-space:nowrap}
.btn:hover{background:#f8fafc}
.btn.primary{background:var(--pri);border-color:var(--pri);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--pri-d)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff;font-weight:600}
.btn.bad{background:var(--bad-soft);border-color:#fecaca;color:var(--bad)}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.big{padding:12px 18px;font-size:16px;width:100%}
.btn:disabled{opacity:.45;cursor:not-allowed}
.muted{color:var(--muted)}.tiny{font-size:12px}.num{font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:embed}
.mono{font-family:ui-monospace,Consolas,monospace;direction:ltr;unicode-bidi:embed}
.pill{display:inline-block;padding:2px 8px;border-radius:99px;font-size:12px;background:#f1f5f9;color:var(--muted)}
.pill.ok{background:var(--ok-soft);color:#166534}.pill.warn{background:var(--warn-soft);color:#92400e}.pill.bad{background:var(--bad-soft);color:#991b1b}.pill.info{background:var(--info-soft);color:#1e40af}.pill.pri{background:var(--pri-soft);color:var(--pri-d)}

/* login */
.login{min-height:100%;display:grid;place-items:center;padding:16px;background:linear-gradient(135deg,#0f172a,#1e293b)}
.login-card{background:#fff;border-radius:16px;padding:28px;width:100%;max-width:520px;display:flex;flex-direction:column;gap:10px}
.logo-big{font-size:40px;font-weight:700;color:var(--pri)}
.role-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.role{border:1px solid var(--line);border-radius:10px;padding:10px;cursor:pointer;text-align:right;background:#fff}
.role b{display:block}.role small{color:var(--muted)}
.role.sel{border-color:var(--pri);background:var(--pri-soft)}

/* layout */
.app{display:flex;min-height:100vh}
.side{width:220px;background:var(--side);color:var(--side-ink);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0}
.brand{font-size:24px;font-weight:700;color:#fff;padding:18px 18px 10px}
.brand span{font-size:12px;color:var(--pri);font-weight:600;margin-inline-start:6px}
nav{flex:1;overflow:auto;padding:6px}
nav a{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:8px;color:var(--side-ink);text-decoration:none;margin-bottom:2px}
nav a:hover{background:#1e293b}
nav a.active{background:var(--pri);color:#fff}
nav a .ic{width:20px;text-align:center}
nav .badge{margin-inline-start:auto;background:var(--bad);color:#fff;border-radius:99px;font-size:11px;padding:0 7px}
.side-foot{padding:12px;border-top:1px solid #1e293b;font-size:12px;display:flex;flex-direction:column;gap:8px}
.side-foot .btn{color:var(--side-ink);border-color:#334155}
main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:10px;padding:10px 18px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top-title{font-weight:700;font-size:17px}
.top-right{margin-inline-start:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.menu-btn{display:none}
.net{font-size:12px;padding:4px 10px;border-radius:99px;font-weight:600}
.net.on{background:var(--ok-soft);color:#166534}.net.off{background:var(--bad-soft);color:#991b1b}.net.sync{background:var(--info-soft);color:#1e40af}
#view{padding:18px;flex:1}

.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;min-width:0}
.card h3{margin:0 0 12px;font-size:15px}
.kpi .l{color:var(--muted);font-size:13px}.kpi .v{font-size:22px;font-weight:700;margin-top:4px}.kpi .s{font-size:12px;color:var(--muted);margin-top:2px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.tbl-wrap{overflow:auto;max-width:100%}
table{width:100%;border-collapse:collapse}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:right;vertical-align:middle}
th{font-size:12px;color:var(--muted);font-weight:600;background:#f8fafc;position:sticky;top:0}
tr.click{cursor:pointer}tr.click:hover{background:#f8fafc}
.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:12px;color:var(--muted)}
.form{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.empty{padding:30px;text-align:center;color:var(--muted)}
.bar{height:8px;background:#f1f5f9;border-radius:99px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--pri)}
.alert{padding:10px 12px;border-radius:8px;background:var(--warn-soft);color:#92400e;font-size:13px}
.alert.info{background:var(--info-soft);color:#1e40af}.alert.bad{background:var(--bad-soft);color:#991b1b}.alert.ok{background:var(--ok-soft);color:#166534}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:12px;flex-wrap:wrap}
.tabs button{border:0;background:none;padding:8px 12px;cursor:pointer;border-bottom:2px solid transparent;color:var(--muted)}
.tabs button.on{border-color:var(--pri);color:var(--ink);font-weight:600}

/* POS */
.pos{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:14px;align-items:start}
.scan{display:flex;gap:8px}
.scan input{flex:1;font-size:18px;padding:12px 14px;border:2px solid var(--pri)}
.results{margin-top:8px;max-height:260px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff}
.res{display:flex;gap:10px;align-items:center;padding:8px 10px;border-bottom:1px solid var(--line);cursor:pointer}
.res:hover,.res.hi{background:var(--pri-soft)}
.res .nm{font-weight:600}.res .meta{font-size:12px;color:var(--muted)}
.cart td input{width:64px;padding:5px;text-align:center}
.pay{position:sticky;top:70px}
.tot-line{display:flex;justify-content:space-between;padding:4px 0}
.tot-big{font-size:26px;font-weight:700;color:var(--pri-d)}
.quick-scan{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.pm{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.pm button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.ico{font-size:22px;width:40px;height:40px;display:grid;place-items:center;background:#f1f5f9;border-radius:8px;flex-shrink:0}

/* modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:grid;place-items:center;z-index:50;padding:16px}
.modal-box{background:#fff;border-radius:14px;padding:20px;width:100%;max-width:760px;max-height:90vh;overflow:auto;position:relative}
.modal-box .x{position:absolute;left:12px;top:12px;border:0;background:none;font-size:18px;cursor:pointer}
#toasts{position:fixed;bottom:16px;left:16px;display:flex;flex-direction:column;gap:8px;z-index:60}
.toast{background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;font-size:13px;box-shadow:0 6px 20px rgba(0,0,0,.2);max-width:360px}
.toast.ok{background:#166534}.toast.bad{background:#991b1b}

/* labels */
.labels{display:flex;flex-wrap:wrap;gap:8px}
.label{width:50mm;height:30mm;border:1px dashed #cbd5e1;border-radius:4px;padding:2mm;display:flex;flex-direction:column;align-items:center;justify-content:space-between;background:#fff;overflow:hidden}
.label .ln{font-size:9px;font-weight:700;text-align:center;line-height:1.2;max-height:2.4em;overflow:hidden}
.label svg{max-width:100%;height:13mm}
.label .lp{font-size:10px;font-weight:700;display:flex;justify-content:space-between;width:100%}

.chart svg{width:100%;height:auto;display:block}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-inline-end:4px;vertical-align:middle}
.log{font-family:ui-monospace,Consolas,monospace;font-size:12px;background:#0f172a;color:#e2e8f0;border-radius:8px;padding:10px;max-height:260px;overflow:auto;direction:ltr;text-align:left}
.log .ok{color:#86efac}.log .warn{color:#fcd34d}.log .bad{color:#fca5a5}

@media (max-width:1100px){.pos{grid-template-columns:minmax(0,1fr)}.pay{position:static}.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:820px){
  .side{position:fixed;inset-block:0;right:0;z-index:40;display:none;box-shadow:0 0 40px rgba(0,0,0,.4)}
  .side.open{display:flex}
  .menu-btn{display:inline-block}
  .g2,.g3{grid-template-columns:1fr}
  #view{padding:12px}
  .top{padding:8px 12px}
  #offlineToggle{display:none}
}
@media (max-width:520px){.g4{grid-template-columns:1fr}.pm{grid-template-columns:repeat(2,1fr)}}