/* Layout: navy side rail (start side, RTL) + working canvas; POS is a two-pane till. Brand: navy ink, royal blue, gold tagline. */
:root{
  --bg:#f2f4fa; --surface:#ffffff; --surface-2:#f7f8fd; --ink:#0f1b3d; --muted:#5a6688; --line:#dde3f0;
  --accent:#2446d8; --accent-2:#1a35b0; --accent-soft:#e6ebfd; --on-accent:#ffffff;
  --gold:#a87b22; --gold-soft:#f8efd9;
  --rail:#0d1736; --rail-ink:#c9d2ef; --rail-active:#ffffff;
  --good:#1d7f53; --good-soft:#e1f3ea; --warn:#9a6410; --warn-soft:#fbf0d9; --bad:#b9322a; --bad-soft:#fbe5e3;
  --shadow:0 1px 2px rgba(15,27,61,.06),0 8px 24px rgba(15,27,61,.06);
  --font-body:"IBM Plex Sans Arabic",system-ui,"Segoe UI",Tahoma,sans-serif;
  --font-display:"Readex Pro","IBM Plex Sans Arabic",system-ui,sans-serif;
  --r:12px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0a1022; --surface:#111a33; --surface-2:#0e1630; --ink:#e7ebf8; --muted:#9aa6c8; --line:#22305a;
  --accent:#6b88ff; --accent-2:#8aa1ff; --accent-soft:#1b2a5e; --on-accent:#0a1022;
  --gold:#e0b862; --gold-soft:#3a2f17;
  --rail:#070c1c; --rail-ink:#9fabd3; --rail-active:#ffffff;
  --good:#53c48d; --good-soft:#123426; --warn:#e7b34f; --warn-soft:#3a2b10; --bad:#ff7a70; --bad-soft:#3d1714;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0a1022; --surface:#111a33; --surface-2:#0e1630; --ink:#e7ebf8; --muted:#9aa6c8; --line:#22305a;
  --accent:#6b88ff; --accent-2:#8aa1ff; --accent-soft:#1b2a5e; --on-accent:#0a1022;
  --gold:#e0b862; --gold-soft:#3a2f17;
  --rail:#070c1c; --rail-ink:#9fabd3; --rail-active:#ffffff;
  --good:#53c48d; --good-soft:#123426; --warn:#e7b34f; --warn-soft:#3a2b10; --bad:#ff7a70; --bad-soft:#3d1714;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25); color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15px;line-height:1.6}
#app{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}
button,input,select,textarea{font:inherit;color:inherit}
.num,td.n,.money{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3{font-family:var(--font-display);text-wrap:balance;margin:0;line-height:1.3}
/* rail */
.rail{background:var(--rail);color:var(--rail-ink);position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:22px 14px;gap:22px;overflow-y:auto}
.brand{display:flex;align-items:center;gap:12px;padding:0 6px}
.logo{width:46px;height:46px;border-radius:13px;background:linear-gradient(150deg,#3b63ff,#1a33b8);display:grid;place-items:center;flex:none;box-shadow:0 6px 16px rgba(36,70,216,.35)}
.logo svg{width:28px;height:28px}
.brand b{font-family:var(--font-display);font-size:19px;color:#fff;display:block;line-height:1.1;letter-spacing:.2px}
.brand b span{color:#7f9bff}
.brand small{font-size:11.5px;color:#d9b25e;display:block;margin-top:3px}
.nav{display:flex;flex-direction:column;gap:3px}
.nav a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--rail-ink);text-decoration:none;font-weight:500;white-space:nowrap}
.nav a svg{width:19px;height:19px;flex:none;opacity:.85}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.on{background:#2446d8;color:var(--rail-active)}
.nav a .k{margin-inline-start:auto;font-size:11px;background:#b9322a;color:#fff;border-radius:99px;padding:0 7px;line-height:18px}
.rail-foot{margin-top:auto;font-size:12px;padding:10px 12px;border-top:1px solid rgba(255,255,255,.08);display:flex;gap:8px;align-items:center}
.dot{width:8px;height:8px;border-radius:50%;background:#53c48d;flex:none}
.dot.local{background:#e7b34f}.dot.off{background:#ff7a70}
/* main */
main{min-width:0;padding-block:24px 48px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;gap:18px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap}
.head h1{font-size:26px}
.head p{margin:2px 0 0;color:var(--muted)}
.eyebrow{font-size:11.5px;letter-spacing:2px;font-weight:600;color:var(--accent);text-transform:uppercase;font-family:var(--font-display)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);min-width:0}
.card>.ch{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line)}
.card>.ch h2{font-size:16px}
.card>.cb{padding:16px 18px}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g21{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}
.kpi{padding:16px 18px;display:flex;flex-direction:column;gap:4px}
.kpi .l{color:var(--muted);font-size:13px}
.kpi .v{font-family:var(--font-display);font-size:25px;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.2}
.kpi .v small{font-size:13px;color:var(--muted);font-weight:500;margin-inline-start:4px}
.kpi .s{font-size:12.5px;color:var(--muted)}
.up{color:var(--good)}.down{color:var(--bad)}
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);background:var(--surface);border-radius:10px;padding:8px 14px;cursor:pointer;font-weight:600;font-size:14px;white-space:nowrap;text-decoration:none}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn svg{width:17px;height:17px}
.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.pri:hover{background:var(--accent-2);color:var(--on-accent)}
.btn.danger{color:var(--bad);border-color:var(--bad-soft);background:var(--bad-soft)}
.btn.danger.solid{background:var(--bad);color:#fff;border-color:var(--bad)}
.btn.sm{padding:5px 10px;font-size:13px;border-radius:8px}
.btn.ghost{background:transparent;border-color:transparent}
.btn.ghost:hover{background:var(--accent-soft)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.big{padding:14px 18px;font-size:17px;border-radius:12px;width:100%}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
/* forms */
.in,select.in,textarea.in{width:100%;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:9px 12px;min-width:0}
.in:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
label.f{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted);font-weight:500;min-width:0}
label.f .in{color:var(--ink);font-size:15px}
.fg{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.fg .full{grid-column:1/-1}
.search{position:relative;flex:1;min-width:200px}
.search svg{position:absolute;inset-inline-start:11px;top:50%;transform:translateY(-50%);width:17px;height:17px;color:var(--muted);pointer-events:none}
.search .in{padding-inline-start:36px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--surface);border-radius:99px;padding:5px 13px;font-size:13px;cursor:pointer;font-weight:500}
.chip.on{background:var(--ink);color:var(--surface);border-color:var(--ink)}
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:3px;gap:3px}
.seg button{border:0;background:transparent;border-radius:8px;padding:7px 4px;cursor:pointer;font-weight:600;font-size:13.5px;color:var(--muted)}
.seg button.on{background:var(--surface);color:var(--accent);box-shadow:var(--shadow)}
/* tables */
.tw{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:start;font-weight:600;color:var(--muted);font-size:12.5px;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface-2)}
td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:0}
tbody tr:hover td{background:var(--surface-2)}
td .sub{display:block;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
td.act{white-space:nowrap;text-align:end}
.pill{display:inline-flex;align-items:center;gap:5px;border-radius:99px;padding:1px 10px;font-size:12.5px;font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}
.pill.ok{background:var(--good-soft);color:var(--good)}
.pill.warn{background:var(--warn-soft);color:var(--warn)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}
.pill.info{background:var(--accent-soft);color:var(--accent)}
.pill.mute{background:var(--surface-2);color:var(--muted);border:1px solid var(--line)}
.empty{padding:34px 18px;text-align:center;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:10px}
.empty b{color:var(--ink);font-size:16px;font-family:var(--font-display)}
/* lists */
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:12px;padding:10px 18px;border-bottom:1px solid var(--line)}
.li:last-child{border-bottom:0}
.li .t{flex:1;min-width:0}
.li .t b{display:block;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.li .t span{font-size:12.5px;color:var(--muted)}
.rank{width:26px;height:26px;border-radius:8px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}
/* chart */
.chart svg{width:100%;height:auto;display:block}
.chart .ax{fill:var(--muted);font-size:11px;font-family:var(--font-body)}
.chart .gl{stroke:var(--line);stroke-width:1}
.chart .bar{fill:var(--accent);opacity:.45}
.chart .bar.today{opacity:1}
.chart .bar:hover{opacity:.85}
.chart .vl{fill:var(--ink);font-size:11px;font-weight:600;font-family:var(--font-body)}
.hbar{display:flex;flex-direction:column;gap:12px}
.hbar .r{display:grid;grid-template-columns:minmax(80px,140px) minmax(0,1fr) auto;gap:10px;align-items:center;font-size:13.5px}
.hbar .tr{height:10px;background:var(--surface-2);border-radius:99px;overflow:hidden;border:1px solid var(--line)}
.hbar .fl{height:100%;background:var(--accent);border-radius:99px}
.hbar .r:first-child .fl{background:var(--gold)}
/* POS */
.pos{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:16px;align-items:start}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;padding:14px}
.pitem{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:12px;text-align:start;cursor:pointer;display:flex;flex-direction:column;gap:6px;min-height:118px;transition:border-color .12s,transform .12s}
.pitem:hover{border-color:var(--accent);transform:translateY(-1px)}
.pitem:active{transform:none}
.pitem .nm{font-weight:600;font-size:14px;line-height:1.35;flex:1}
.pitem .cat{font-size:11.5px;color:var(--muted)}
.pitem .ft{display:flex;justify-content:space-between;align-items:center;gap:6px}
.pitem .pr{font-family:var(--font-display);font-weight:600;color:var(--accent);font-variant-numeric:tabular-nums}
.pitem[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.till{position:sticky;top:16px;display:flex;flex-direction:column}
.cart{max-height:46vh;overflow-y:auto}
.cl{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px 10px;padding:10px 18px;border-bottom:1px solid var(--line)}
.cl .nm{font-weight:600;font-size:14px}
.cl .ln{font-family:var(--font-display);font-weight:600;font-variant-numeric:tabular-nums;text-align:end}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.qty button{border:0;background:var(--surface-2);width:30px;height:30px;cursor:pointer;font-size:17px;font-weight:600}
.qty input{width:46px;border:0;text-align:center;background:transparent;height:30px;font-variant-numeric:tabular-nums}
.cl .meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.tot{padding:14px 18px;display:flex;flex-direction:column;gap:7px;border-top:1px solid var(--line);background:var(--surface-2)}
.tot .r{display:flex;justify-content:space-between;font-size:14px;font-variant-numeric:tabular-nums}
.tot .r.g{font-family:var(--font-display);font-size:24px;font-weight:700;padding-top:6px;border-top:1px dashed var(--line);margin-top:4px}
.payz{padding:14px 18px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line)}
.change{display:flex;justify-content:space-between;font-weight:600;font-size:14px;padding:8px 12px;border-radius:9px;background:var(--good-soft);color:var(--good)}
.change.neg{background:var(--bad-soft);color:var(--bad)}
.kbd{font-size:11px;border:1px solid currentColor;border-radius:5px;padding:0 5px;opacity:.75;font-family:ui-monospace,monospace}
/* banners */
.banner{display:flex;gap:12px;align-items:center;padding:11px 16px;border-radius:12px;background:var(--gold-soft);color:var(--gold);font-size:14px;flex-wrap:wrap;border:1px solid color-mix(in srgb,var(--gold) 30%,transparent)}
.banner b{color:var(--ink)}
.banner.info{background:var(--accent-soft);color:var(--accent);border-color:color-mix(in srgb,var(--accent) 25%,transparent)}
.banner.bad{background:var(--bad-soft);color:var(--bad);border-color:transparent}
/* modal */
#modal{position:fixed;inset:0;z-index:50;background:rgba(8,14,34,.55);display:grid;place-items:center;padding:16px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.sheet{background:var(--surface);border-radius:16px;width:min(560px,100%);max-height:calc(100vh - 32px);overflow-y:auto;box-shadow:0 24px 60px rgba(0,0,0,.3);display:flex;flex-direction:column}
.sheet.wide{width:min(760px,100%)}
.sheet .sh{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--surface);z-index:1}
.sheet .sh h2{font-size:18px}
.sheet .sb{padding:18px 20px;display:flex;flex-direction:column;gap:14px}
.sheet .sf{display:flex;gap:10px;justify-content:flex-start;padding:14px 20px;border-top:1px solid var(--line);flex-wrap:wrap;position:sticky;bottom:0;background:var(--surface)}
.x{border:0;background:var(--surface-2);width:34px;height:34px;border-radius:9px;cursor:pointer;font-size:20px;line-height:1}
/* receipt */
.receipt{background:#fffdf7;color:#1b1b1b;border:1px dashed #c9c2ad;border-radius:6px;padding:18px 16px;font-size:13.5px;max-width:360px;margin:0 auto;width:100%;font-variant-numeric:tabular-nums}
.receipt h3{text-align:center;font-size:18px;color:#111}
.receipt .c{text-align:center;color:#555;font-size:12px}
.receipt hr{border:0;border-top:1px dashed #aaa;margin:10px 0}
.receipt .rr{display:flex;justify-content:space-between;gap:8px}
.receipt .it{margin-bottom:6px}
.receipt .it small{color:#666}
.receipt .gt{font-size:17px;font-weight:700}
.receipt .stamp{border:2px solid #b9322a;color:#b9322a;text-align:center;font-weight:700;border-radius:6px;padding:2px;margin-top:8px}
#toast{position:fixed;bottom:calc(20px + env(safe-area-inset-bottom,0px));inset-inline-start:50%;transform:translateX(50%);z-index:60;background:var(--ink);color:var(--surface);padding:10px 18px;border-radius:12px;font-weight:600;box-shadow:var(--shadow);max-width:calc(100% - 32px)}
.loading{display:grid;place-items:center;min-height:50vh;color:var(--muted);gap:10px}
.spin{width:28px;height:28px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp 0.8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.muted{color:var(--muted)}
.hint{font-size:12.5px;color:var(--muted)}
/* responsive */
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.pos{grid-template-columns:minmax(0,1fr) 340px}}
@media (max-width:900px){
  #app{grid-template-columns:minmax(0,1fr)}
  .rail{position:static;height:auto;padding:12px max(16px,env(safe-area-inset-right,0px)) 10px max(16px,env(safe-area-inset-left,0px));gap:10px}
  .brand .logo{width:38px;height:38px}.brand b{font-size:17px}
  .nav{flex-direction:row;overflow-x:auto;scrollbar-width:none;margin:0 -4px}
  .nav::-webkit-scrollbar{display:none}
  .nav a{padding:8px 12px}
  .rail-foot{display:none}
  .pos,.g21,.g3,.g2{grid-template-columns:minmax(0,1fr)}
  .till{position:static}
  .cart{max-height:none}
}
@media (max-width:520px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}.fg{grid-template-columns:minmax(0,1fr)}.head h1{font-size:22px}.kpi .v{font-size:20px}.pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---- server edition additions ---- */
.login{min-height:100vh;display:grid;place-items:center;padding-block:24px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));background:radial-gradient(1200px 600px at 85% -10%,var(--accent-soft),transparent 60%),var(--bg)}
.login .box{width:min(400px,100%);display:flex;flex-direction:column;gap:22px}
.login .brand b{color:var(--ink)}
.login .brand b span{color:var(--accent)}
.login .brand small{color:var(--gold)}
.login form{display:flex;flex-direction:column;gap:14px;padding:24px}
.login .err{color:var(--bad);font-size:14px;min-height:1.4em}
.rail .who{display:flex;flex-direction:column;gap:8px;padding:12px;border-radius:12px;background:rgba(255,255,255,.05);font-size:13px}
.rail .who b{color:#fff;font-weight:600}
.rail .who select{background:#16224a;color:#fff;border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:6px 8px;width:100%}
.rail .who .row{gap:6px}
.rail .who button{background:transparent;border:1px solid rgba(255,255,255,.15);color:var(--rail-ink);border-radius:8px;padding:4px 10px;cursor:pointer;font-size:12.5px}
.rail .who button:hover{color:#fff;border-color:rgba(255,255,255,.35)}
.role{font-size:11.5px;color:#d9b25e}
@media (max-width:900px){.rail .who{flex-direction:row;flex-wrap:wrap;align-items:center;padding:8px 10px}.rail .who select{width:auto}}