:root{
  --bg:#f4f6fc;--surface:#ffffff;--surface2:#f6f8fd;--text:#1e2640;--muted:#6b7591;--border:#e3e8f3;
  --primary:#4f6bed;--primary2:#8b5cf6;--primary-soft:#edf1ff;--accent:#14b8a6;--success:#16a34a;--success-soft:#e6f6ec;
  --warn:#d97706;--warn-soft:#fff4e0;--danger:#e11d48;--danger-soft:#fdeef2;--info:#0891b2;--info-soft:#e3f6fa;
  --sidebar:#ffffff;--sidebar2:#f3f6ff;--sidebar-text:#46506b;--shadow:0 1px 2px rgba(30,38,64,.04),0 6px 20px rgba(79,107,237,.07);
  --radius:14px;
}
:root[data-theme="dark"]{
  --bg:#1c2134;--surface:#252b42;--surface2:#2c3350;--text:#e9ecf7;--muted:#a3abc8;--border:#3a4263;
  --primary:#8ea2ff;--primary2:#b49cff;--primary-soft:#323c69;--accent:#2dd4bf;--success:#4ade80;--success-soft:#1f3b2c;
  --warn:#fbbf24;--warn-soft:#45391b;--danger:#fb7185;--danger-soft:#4a2633;--info:#38bdf8;--info-soft:#1b3a4c;
  --sidebar:#222842;--sidebar2:#262d4a;--sidebar-text:#c4cae2;--shadow:0 1px 2px rgba(0,0,0,.2),0 6px 20px rgba(0,0,0,.18);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--text);font-family:Inter,Cairo,"Segoe UI",Tahoma,sans-serif;font-size:14px;line-height:1.5}
:root[lang="ar"] body{font-family:Cairo,Tahoma,"Segoe UI",sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--primary);text-decoration:none}
code,pre{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12.5px}
pre{background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:12px 14px;overflow-x:auto;direction:ltr;text-align:left;white-space:pre}
.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
/* sidebar */
.sidebar{background:linear-gradient(180deg,var(--sidebar),var(--sidebar2));color:var(--sidebar-text);border-inline-end:1px solid var(--border);padding:18px 14px;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px;color:var(--text);font-weight:700;font-size:18px}
.brand .logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--primary),var(--primary2));overflow:hidden;display:grid;place-items:center;box-shadow:0 6px 18px rgba(124,58,237,.45);flex:none}
.brand small{display:block;font-weight:400;font-size:11.5px;color:var(--muted)}
.brand .logo img{width:100%;height:100%;object-fit:contain;background:#fff}
.brand .logo.has-img{background:#fff;border:1px solid var(--border);box-shadow:none}
.nav-group{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:14px 10px 6px;font-weight:600}
.nav a{display:flex;align-items:center;gap:11px;padding:8px 12px;border-radius:10px;color:var(--sidebar-text);margin-bottom:2px;transition:.15s}
.nav a:hover{background:var(--primary-soft);color:var(--primary)}
.nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:700;box-shadow:inset 3px 0 0 var(--primary)}
:root[dir="rtl"] .nav a.active{box-shadow:inset -3px 0 0 var(--primary)}
.nav svg{width:18px;height:18px;flex:none}
/* main */
.main{min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:10px;padding:12px 26px;background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:20}
.topbar h1{font-size:19px;margin:0;flex:1;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{border:1px solid var(--border);background:var(--surface2);border-radius:10px;height:38px;min-width:38px;padding:0 10px;display:inline-flex;align-items:center;justify-content:center;gap:6px;cursor:pointer;font-weight:600;white-space:nowrap}
.icon-btn:hover{border-color:var(--primary)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}
.live{width:9px;height:9px;border-radius:50%;background:var(--muted);flex:none}
.live.on{background:var(--success);box-shadow:0 0 0 4px var(--success-soft)}
.content{padding:24px 26px 60px;max-width:1440px;width:100%}
/* cards */
.grid{display:grid;gap:18px}
.kpis{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.card h3{margin:0 0 14px;font-size:15px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.kpi{display:flex;gap:14px;align-items:center}
.kpi .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;flex:none}
.kpi .ic svg{width:22px;height:22px}
.kpi .lbl{color:var(--muted);font-size:12.5px}
.kpi .val{font-size:20px;font-weight:700;white-space:nowrap}
.c-primary{background:var(--primary-soft);color:var(--primary)}
.c-success{background:var(--success-soft);color:var(--success)}
.c-warn{background:var(--warn-soft);color:var(--warn)}
.c-danger{background:var(--danger-soft);color:var(--danger)}
.c-info{background:var(--info-soft);color:var(--info)}
.c-muted{background:var(--surface2);color:var(--muted)}
.two{grid-template-columns:2fr 1fr}
.half{grid-template-columns:1fr 1fr}
/* toolbar + tables */
.toolbar{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px}
.toolbar .search{flex:1;min-width:200px;position:relative}
.toolbar .search input{padding-inline-start:38px}
.toolbar .search svg{position:absolute;inset-inline-start:12px;top:50%;transform:translateY(-50%);width:17px;color:var(--muted)}
.btn{border:0;border-radius:10px;padding:9px 16px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:7px;white-space:nowrap;text-decoration:none}
.btn svg{width:17px;height:17px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 4px 14px rgba(79,107,237,.28)}
.btn-primary:hover:not(:disabled){filter:brightness(1.07)}
.btn-success{background:var(--success);color:#fff}
.btn-ghost{background:var(--surface2);border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary)}
.btn-danger{background:var(--danger-soft);color:var(--danger)}
.btn-sm{padding:6px 10px;font-size:13px}
.btn-lg{padding:14px 20px;font-size:16px;width:100%;justify-content:center}
input,select,textarea{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:10px;padding:9px 12px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
input[type=checkbox]{width:auto}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse}
th,td{padding:11px 14px;text-align:start;border-bottom:1px solid var(--border);white-space:nowrap}
th{background:var(--surface2);font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface2)}
td.num,th.num{text-align:end;font-variant-numeric:tabular-nums}
td.wrap{white-space:normal;min-width:180px}
.actions{display:flex;gap:6px;justify-content:flex-end}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}
.empty{text-align:center;color:var(--muted);padding:40px}
.muted{color:var(--muted)}
.pos-ch{color:var(--success);font-weight:700}.neg-ch{color:var(--danger);font-weight:700}
/* modal */
.overlay{position:fixed;inset:0;background:rgba(10,14,35,.55);backdrop-filter:blur(3px);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow-y:auto}
.modal{background:var(--surface);border-radius:18px;width:100%;max-width:620px;box-shadow:0 20px 60px rgba(0,0,0,.3);animation:pop .18s ease}
.modal.wide{max-width:1000px}
@keyframes pop{from{transform:translateY(10px);opacity:0}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-head h2{margin:0;font-size:17px}
.modal-body{padding:20px 22px}
.modal-foot{padding:14px 22px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid.g4{grid-template-columns:repeat(4,1fr)}
.form-grid .full{grid-column:1/-1}
label.f{display:block}
label.f>span{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px;font-weight:600}
label.f>span b{color:var(--danger)}
.lines td{padding:6px}
.lines input,.lines select{padding:7px 9px}
.totals{margin-inline-start:auto;width:300px;max-width:100%}
.totals div{display:flex;justify-content:space-between;padding:6px 0;gap:10px}
.totals .grand{font-size:17px;font-weight:700;border-top:2px solid var(--border);margin-top:4px;padding-top:10px}
/* apps */
.apps{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.app-card{display:flex;flex-direction:column;gap:10px}
.app-card .top{display:flex;align-items:center;gap:12px}
.app-card p{margin:0;color:var(--muted);font-size:13px;flex:1}
.switch{position:relative;width:46px;height:26px;flex:none;display:inline-block}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;inset:0;background:var(--border);border-radius:99px;cursor:pointer;transition:.2s}
.switch span:before{content:"";position:absolute;width:20px;height:20px;top:3px;inset-inline-start:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked+span{background:var(--primary)}
.switch input:checked+span:before{transform:translateX(20px)}
:root[dir="rtl"] .switch input:checked+span:before{transform:translateX(-20px)}
/* chart */
.chart svg{width:100%;height:240px;display:block}
.legend{display:flex;gap:16px;font-size:12.5px;color:var(--muted);font-weight:400}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-inline-end:6px}
.bar-row{display:flex;align-items:center;gap:10px;margin:8px 0}
.bar-row .name{width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.bar-row .track{flex:1;height:9px;background:var(--surface2);border-radius:99px;overflow:hidden}
.bar-row .track b{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--primary2));border-radius:99px}
.bar-row .v{font-size:12.5px;min-width:90px;text-align:end}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#2b3352;color:#fff;padding:11px 20px;border-radius:12px;z-index:99;box-shadow:0 10px 30px rgba(0,0,0,.3);animation:pop .2s;max-width:90vw}
.pl div{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--border)}
.pl .strong{font-weight:700;font-size:15px;border-bottom:0}
/* login */
.login{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 10%,rgba(99,102,241,.25),transparent 40%),radial-gradient(circle at 80% 90%,rgba(168,85,247,.22),transparent 40%),var(--bg)}
.login .card{width:100%;max-width:400px;padding:30px}
.login .brand{color:var(--text);justify-content:center;padding-bottom:6px}
.login .brand small{color:var(--muted)}
.login form{display:grid;gap:14px;margin-top:18px}
/* POS */
.pos{display:grid;grid-template-columns:1fr 380px;gap:18px;align-items:start}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.chip{border:1px solid var(--border);background:var(--surface);border-radius:99px;padding:6px 14px;cursor:pointer;font-weight:600;font-size:13px}
.chip.on{background:var(--primary);border-color:var(--primary);color:#fff}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px;cursor:pointer;text-align:start;display:flex;flex-direction:column;gap:6px;transition:.15s;box-shadow:var(--shadow)}
.tile:hover{border-color:var(--primary);transform:translateY(-2px)}
.tile b{font-size:14px;line-height:1.3}
.tile .pr{font-weight:700;color:var(--primary);font-size:15px}
.tile.out{opacity:.55}
.cart{position:sticky;top:80px;display:flex;flex-direction:column;gap:12px}
.cart-items{max-height:42vh;overflow-y:auto;display:flex;flex-direction:column;gap:8px}
.cart-row{display:flex;align-items:center;gap:8px;padding:8px;border:1px solid var(--border);border-radius:10px}
.cart-row .nm{flex:1;min-width:0}
.cart-row .nm b{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qty{display:flex;align-items:center;gap:4px}
.qty button{width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:var(--surface2);cursor:pointer;display:grid;place-items:center;padding:0}
.qty button svg{width:14px;height:14px}
.qty input{width:52px;text-align:center;padding:4px}
.seg{display:flex;gap:6px}
.seg button{flex:1;border:1px solid var(--border);background:var(--surface2);border-radius:10px;padding:8px;cursor:pointer;font-weight:600}
.seg button.on{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
.grand-total{display:flex;justify-content:space-between;font-size:22px;font-weight:700;padding-top:8px;border-top:2px solid var(--border)}
/* import */
.drop{border:2px dashed var(--border);border-radius:14px;padding:30px;text-align:center;cursor:pointer;background:var(--surface2);transition:.15s}
.drop:hover,.drop.over{border-color:var(--primary);background:var(--primary-soft)}
.drop svg{width:36px;height:36px;color:var(--primary)}
.steps{counter-reset:s}
.keybox{display:flex;gap:8px;align-items:center}
.keybox code{flex:1;padding:10px;background:var(--surface2);border:1px dashed var(--primary);border-radius:10px;direction:ltr;word-break:break-all}
#print{display:none}
/* responsive */
@media (max-width:1100px){.pos{grid-template-columns:1fr}.cart{position:static}}
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;inset-block:0;inset-inline-start:0;width:260px;z-index:60;transform:translateX(-100%);transition:.25s}
  :root[dir="rtl"] .sidebar{transform:translateX(100%)}
  body.nav-open .sidebar{transform:none}
  .menu-btn{display:inline-flex}
  .two,.half{grid-template-columns:1fr}
  .form-grid,.form-grid.g4{grid-template-columns:1fr}
  .content{padding:16px}
  .topbar{padding:10px 16px}
  .kpis{grid-template-columns:1fr 1fr}
  #userBtn span{display:none}
}
@media (max-width:520px){.kpis{grid-template-columns:1fr}}
@media print{
  body *{visibility:hidden}
  #print,#print *{visibility:visible}
  #print{display:block;position:absolute;inset:0;padding:24px;background:#fff;color:#000}
  .app,.overlay{display:none}
  #print.receipt{width:80mm;padding:6px;font-size:12px}
}
.inv-print{font-family:Cairo,Inter,sans-serif;color:#111}
.inv-print table th{background:#f1f2f8;color:#333}
.inv-print .head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:3px solid #4f46e5;padding-bottom:16px;margin-bottom:20px}
.receipt-body{font-family:Cairo,monospace;text-align:center}
.receipt-body table td,.receipt-body table th{padding:3px 2px;font-size:11px;border-bottom:1px dashed #999;background:none;color:#000;text-transform:none;letter-spacing:0}

.co-select{width:auto;max-width:280px;font-weight:700;padding:8px 10px;border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
@media (max-width:900px){.co-select{max-width:150px;font-size:12px}#punchSlot span{display:none}}

/* bidirectional text: user data in any language renders correctly inside RTL or LTR pages */
input:not([type=number]):not([type=date]):not([type=time]):not([type=month]),textarea{unicode-bidi:plaintext}
bdi{unicode-bidi:isolate}
.tr-pair{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:end}
.tr-pair .tr-box{position:relative}
.tr-pair .tr-box input{background:var(--primary-soft)}
.tr-btn{flex:none;width:40px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--primary);cursor:pointer;display:grid;place-items:center;font-size:13px;font-weight:700}
.tr-btn.busy{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.sub-tr{display:block;font-size:11.5px;color:var(--muted)}
.logo-prev{width:96px;height:96px;border-radius:14px;border:1px dashed var(--border);display:grid;place-items:center;overflow:hidden;background:#fff}
.logo-prev img{max-width:100%;max-height:100%}
.adj-seg{display:flex;gap:6px}.adj-seg label{flex:1}.adj-seg input{display:none}
.adj-seg span{display:block;text-align:center;padding:9px;border:1px solid var(--border);border-radius:10px;cursor:pointer;font-weight:600;background:var(--surface2)}
.adj-seg input:checked+span{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}
@media (max-width:900px){.tr-pair{grid-template-columns:1fr}}