/* AMBR — navy, blue, purple and cyan brand; clean light UI by default. Merchants pick accent, light/dark and corner radius. */
:root{
  /* AMBR brand: navy, blue, purple, cyan. Default look: clean light, black on white. */
  --navy:#0b0f19;--brand-blue:#3b82f6;--brand-purple:#8b5cf6;--brand-cyan:#22d3ee;
  --grad:linear-gradient(135deg,#22d3ee 0%,#3b82f6 45%,#8b5cf6 100%);
  --bg:#f3f4f6;--surface:#ffffff;--surface-2:#f6f7f9;--line:#e5e7eb;
  --text:#0b0f19;--text-2:#374151;--muted:#6b7280;
  --accent:#3b82f6;--accent-ink:#ffffff;--accent-soft:rgba(59,130,246,.10);
  --ok:#16a34a;--warn:#d97706;--bad:#dc2626;
  --r:16px;--r-sm:12px;
  --shadow:0 1px 2px rgba(11,15,25,.04),0 8px 24px rgba(11,15,25,.05);
  color-scheme:light;
}
:root[data-mode="dark"]{
  --bg:#0b0f19;--surface:#111727;--surface-2:#171e30;--line:#232b3f;
  --text:#f3f4f6;--text-2:#cbd2e1;--muted:#8a93a8;--shadow:none;color-scheme:dark;
}
:root[data-theme="purple"]{--accent:#8b5cf6;--accent-soft:rgba(139,92,246,.12)}
:root[data-theme="cyan"]{--accent:#0891b2;--accent-soft:rgba(34,211,238,.14)}
:root[data-mode="dark"][data-theme="cyan"]{--accent:#22d3ee;--accent-ink:#06202a}
:root[data-theme="black"]{--accent:#0b0f19;--accent-soft:rgba(11,15,25,.07)}
:root[data-mode="dark"][data-theme="black"]{--accent:#f3f4f6;--accent-ink:#0b0f19;--accent-soft:rgba(243,244,246,.1)}
:root[data-theme="rose"]{--accent:#e11d63;--accent-soft:rgba(225,29,99,.10)}
:root[data-theme="green"]{--accent:#059669;--accent-soft:rgba(5,150,105,.10)}
:root[data-radius="sharp"]{--r:6px;--r-sm:4px}
:root[data-radius="round"]{--r:24px;--r-sm:999px}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font-family:Tajawal,'IBM Plex Sans Arabic',system-ui,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}.small{font-size:13px}
.hidden{display:none!important}

/* Buttons and fields */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--r-sm);border:0;background:var(--accent);color:var(--accent-ink);font-weight:700;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--accent)}
.btn.danger{background:transparent;color:var(--bad);border:1px solid color-mix(in srgb,var(--bad) 40%,transparent)}
.btn.sm{min-height:34px;padding:0 12px;font-size:13px;border-radius:10px}
.btn.block{width:100%}
.icon-btn{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;color:var(--text)}
label.f{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-2)}
.in,select.in,textarea.in{width:100%;min-height:44px;padding:10px 12px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:15px}
textarea.in{min-height:80px;resize:vertical}
.in:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.err{color:var(--bad);font-size:13px;min-height:18px}

/* Shell */
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{position:sticky;top:0;height:100vh;padding:20px 14px;border-inline-end:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;gap:6px}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px}
.brand b{font-family:Jost,system-ui,sans-serif;letter-spacing:.28em;font-size:19px;font-weight:600}
.brand .logo{width:34px;height:34px;flex:none;display:block}
.brand small{display:block;color:var(--muted);font-size:12px;letter-spacing:0;font-family:inherit}
.nav{display:flex;flex-direction:column;gap:4px}
.nav button{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);border:0;background:none;color:var(--text-2);cursor:pointer;text-align:start;font-size:15px}
.nav button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.nav button.on{background:var(--accent-soft);color:var(--accent);font-weight:700}
.nav button:hover:not(.on){background:var(--surface-2)}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--muted);padding:8px}
main{padding:28px clamp(16px,3vw,36px) 100px;max-width:1200px;width:100%}
.head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.head h1{margin:0;font-size:26px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--shadow)}
.card h2{margin:0 0 12px;font-size:17px}
.card-h{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.card-h h2{margin:0}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.stack{display:flex;flex-direction:column;gap:14px}
.kpi span{color:var(--muted);font-size:13px}
.kpi b{display:block;font-size:26px;margin-top:4px}
.kpi small{color:var(--muted)}
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;background:var(--surface-2);border:1px solid var(--line);color:var(--text-2)}
.badge.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 35%,transparent);background:color-mix(in srgb,var(--ok) 8%,transparent)}.badge.bad{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 35%,transparent);background:color-mix(in srgb,var(--bad) 8%,transparent)}.badge.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 35%,transparent);background:color-mix(in srgb,var(--warn) 8%,transparent)}
.empty{padding:28px;text-align:center;color:var(--muted)}

/* Tables / lists */
.tbl{width:100%;border-collapse:collapse}
.tbl th{font-size:12px;color:var(--muted);font-weight:500;text-align:start;padding:8px;border-bottom:1px solid var(--line)}
.tbl td{padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.thumb{width:44px;height:44px;border-radius:10px;object-fit:cover;background:var(--surface-2);display:grid;place-items:center;font-size:20px;flex:none}
.pname{display:flex;align-items:center;gap:10px}
.bars{display:flex;flex-direction:column;gap:8px}
.bar{display:grid;grid-template-columns:120px 1fr auto;gap:10px;align-items:center;font-size:13px}
.bar i{display:block;height:8px;border-radius:99px;background:var(--accent)}
.bar>div{background:var(--surface-2);border-radius:99px;overflow:hidden}

/* Cashier */
.pos{display:grid;grid-template-columns:1fr 360px;gap:16px;align-items:start}
.pos-tools{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);color:var(--text-2);cursor:pointer;font-size:13px}
.chip.on{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.tile{display:flex;flex-direction:column;gap:6px;padding:10px;border-radius:var(--r);box-shadow:var(--shadow);border:1px solid var(--line);background:var(--surface);cursor:pointer;text-align:start;color:var(--text)}
.tile:hover{border-color:var(--accent)}
.tile:disabled{opacity:.45;cursor:not-allowed}
.tile .img{aspect-ratio:1;border-radius:calc(var(--r) - 6px);background:var(--surface-2) center/cover;display:grid;place-items:center;font-size:34px}
.tile b{font-size:14px;line-height:1.35}
.tile span{display:flex;justify-content:space-between;font-size:13px;color:var(--muted)}
.tile span em{color:var(--accent);font-style:normal;font-weight:700}
.cart{position:sticky;top:20px}
.cart ul{list-style:none;margin:0;padding:0;max-height:46vh;overflow:auto}
.cart li{display:grid;grid-template-columns:1fr auto;gap:6px;padding:10px 0;border-bottom:1px solid var(--line)}
.qty{display:flex;align-items:center;gap:6px}
.qty button{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:var(--surface-2);cursor:pointer;color:var(--text)}
.total{display:flex;justify-content:space-between;align-items:baseline;font-size:15px;margin:14px 0}
.total b{font-size:28px}
.pay{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:12px}

/* Dialog */
.dlg{position:fixed;inset:0;background:rgba(11,15,25,.55);display:grid;place-items:center;padding:16px;z-index:50}
.dlg-box{width:min(520px,100%);max-height:92vh;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.dlg-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.dlg-h h2{margin:0;font-size:18px}
.dlg-f{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.img-pick{display:flex;align-items:center;gap:12px}
.img-pick .thumb{width:72px;height:72px}

/* Receipt */
.receipt{background:#fff;color:#111;border:1px solid #e5e7eb;border-radius:12px;padding:18px;font-size:14px}
.receipt h3{margin:0 0 4px;text-align:center}
.receipt p{margin:0;text-align:center;color:#555;font-size:12px}
.receipt table{width:100%;border-collapse:collapse;margin:12px 0}
.receipt td{padding:4px 0;border-bottom:1px dashed #ccc}
.receipt .t{display:flex;justify-content:space-between;font-weight:700;font-size:16px}

/* Auth */
.auth{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(700px 420px at 90% -10%,rgba(139,92,246,.16),transparent 60%),radial-gradient(600px 380px at 0% 110%,rgba(34,211,238,.14),transparent 60%),var(--bg)}
.auth-box{width:min(420px,100%);display:flex;flex-direction:column;gap:14px}
.auth-box .brand{justify-content:center;padding:0 0 6px}
.auth-box h1{margin:0;font-size:24px;text-align:center}
.auth-box p.lead{margin:0 0 6px;text-align:center;color:var(--text-2)}
.tabs2{display:grid;grid-template-columns:1fr 1fr;padding:4px;border-radius:12px;background:var(--surface-2);border:1px solid var(--line)}
.tabs2 button{border:0;background:none;padding:9px;border-radius:9px;cursor:pointer;color:var(--text-2)}
.tabs2 button.on{background:var(--accent);color:var(--accent-ink);font-weight:700}

/* Toast */
#toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,20px);background:var(--navy);color:#fff;padding:10px 18px;border-radius:999px;font-weight:600;opacity:0;transition:.2s;pointer-events:none;z-index:60}
#toast.on{opacity:1;transform:translate(-50%,0)}

/* Themes picker */
.themes{display:flex;gap:10px;flex-wrap:wrap}
.themes button{width:44px;height:44px;border-radius:var(--r-sm);border:3px solid var(--surface);outline:1px solid var(--line);cursor:pointer}
.themes button.on{outline:2px solid var(--text)}
.seg{display:inline-grid;grid-auto-flow:column;gap:4px;padding:4px;border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--line)}
.seg button{border:0;background:none;padding:8px 14px;border-radius:calc(var(--r-sm) - 2px);cursor:pointer;color:var(--text-2)}
.seg button.on{background:var(--surface);color:var(--text);font-weight:700;box-shadow:var(--shadow)}

/* Phone */
@media (max-width:900px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;inset:auto 0 0 0;height:auto;top:auto;flex-direction:row;padding:6px 6px calc(6px + env(safe-area-inset-bottom));border:0;border-top:1px solid var(--line);z-index:40}
  .brand,.side-foot{display:none}
  .nav{flex-direction:row;width:100%;justify-content:space-around;overflow-x:auto}
  .nav button{flex-direction:column;gap:2px;font-size:10.5px;padding:6px 2px;min-width:0;flex:1}
  .pos{grid-template-columns:1fr}
  .cart{position:static}
  .g4{grid-template-columns:repeat(2,1fr)}.g3,.g2{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  main{padding-bottom:110px}
  .tbl .hide-sm{display:none}
}
/* Phone cashier: a bar that jumps to the cart */
.m-cartbar{display:none}
@media (max-width:900px){
  .m-cartbar{position:fixed;inset-inline:12px;bottom:calc(74px + env(safe-area-inset-bottom));display:flex;justify-content:space-between;align-items:center;gap:10px;padding:12px 16px;border-radius:14px;border:0;background:var(--accent);color:var(--accent-ink);font-weight:700;box-shadow:0 10px 30px #000a;z-index:35;cursor:pointer}
  .m-cartbar b{font-size:17px}
}
@media print{
  body *{visibility:hidden}
  .receipt,.receipt *{visibility:visible}
  .receipt{position:fixed;inset:0;border-radius:0}
}
:root[data-mode="dark"] #toast{background:#f3f4f6;color:#0b0f19}

/* Google sign-in */
.btn.google{background:#fff;color:#1f2937;border:1px solid var(--line);font-weight:600}
.btn.google:hover{filter:none;background:#f9fafb}
.or{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:12px}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}

/* ---------- Approved design: concept 3, minimal black and white ---------- */
body{font-family:Tajawal,'IBM Plex Sans Arabic',system-ui,sans-serif}
.side{background:var(--surface)}
.brand{gap:10px}
.brand .logo{width:36px;height:36px;border-radius:10px}
.brand b{font-family:Jost,system-ui,sans-serif;letter-spacing:.06em;font-size:21px;font-weight:600}
.nav button.on{background:var(--bg);color:var(--text);font-weight:700}
.nav button.on svg{color:var(--text)}
:root[data-theme]:not([data-theme="black"]) .nav button.on{background:var(--accent-soft);color:var(--accent)}
main{display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:-8px 0 22px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.hello{display:flex;align-items:center;gap:12px}
.hello b{display:block;font-size:17px}
.hello small{font-size:12px}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--grad);color:#fff;font-weight:800;font-size:18px;flex:none}
.top-acts{display:flex;gap:8px}
.top-acts .icon-btn{position:relative;width:40px;height:40px;border-radius:50%;background:var(--surface)}
.top-acts .icon-btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.top-acts .dot{position:absolute;top:8px;inset-inline-end:9px;width:8px;height:8px;border-radius:50%;background:var(--bad);border:2px solid var(--surface)}
.sel{width:auto;min-height:38px;padding:6px 12px;font-size:14px}
.kpi b{font-size:30px;font-weight:800;margin:8px 0 6px}
.delta{font-style:normal;font-weight:700;font-size:12px;padding:2px 8px;border-radius:999px}
.delta.up{color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,transparent)}
.delta.down{color:var(--bad);background:color-mix(in srgb,var(--bad) 10%,transparent)}
.home2{grid-template-columns:1.6fr 1fr}
.chart{display:flex;align-items:flex-end;gap:4px;height:220px;padding-top:8px}
.chart div{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end;min-width:0}
.chart i{display:block;width:100%;max-width:18px;background:var(--text);border-radius:4px 4px 1px 1px}
:root[data-theme]:not([data-theme="black"]) .chart i{background:var(--accent)}
.chart span{font-size:10px;color:var(--muted)}
.toplist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.toplist li{display:flex;align-items:center;gap:12px}
.toplist b{display:block;font-size:14px}
.toplist small{font-size:12px}
/* cashier: cart on the right, large photo tiles */
.pos{grid-template-columns:340px 1fr}
.tiles{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:12px}
.tile{padding:0;overflow:hidden;gap:0}
.tile .img{aspect-ratio:4/3;border-radius:0;position:relative;font-size:40px}
.tile .tx{padding:10px 12px 12px;display:flex;flex-direction:column;gap:4px}
.tile .tx span{display:flex;justify-content:space-between;align-items:center}
.tile .tx em{color:var(--text);font-weight:700}
.incart{position:absolute;top:8px;inset-inline-start:8px;min-width:26px;height:26px;padding:0 6px;border-radius:999px;background:var(--accent);color:var(--accent-ink);font-style:normal;font-weight:700;font-size:13px;display:grid;place-items:center}
.cart li{grid-template-columns:auto 1fr auto auto;align-items:center;gap:10px}
.cart li .thumb{width:46px;height:46px}
.ci{min-width:0}.ci b{display:block;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.qsel{min-height:34px;padding:4px 8px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);color:var(--text)}
.rm{width:30px;height:30px;font-size:12px;color:var(--muted)}
.total{border-top:1px solid var(--line);padding-top:14px}
.btn:not(.ghost):not(.danger):not(.google){box-shadow:none}
@media (max-width:900px){
  .home2{grid-template-columns:1fr}
  .pos{grid-template-columns:1fr}
  .pos .cart{order:2}
  .topbar{margin-top:0}
  .tiles{grid-template-columns:repeat(2,1fr)}
}
select.in.sel{width:auto}