:root {
  --bg: #f4f2ee;
  --card: #ffffff;
  --ink: #1d1b18;
  --muted: #6c675f;
  --line: #e2ddd4;
  --accent: #1f5f8b;
  --accent-ink: #ffffff;
  --ok: #1e7a46;
  --ok-bg: #e3f3e9;
  --warn: #8a5a00;
  --warn-bg: #fff3d6;
  --bad: #a52a2a;
  --bad-bg: #fbe5e3;
  --info-bg: #e5eef6;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161514; --card: #201f1d; --ink: #ece8e1; --muted: #a39d93; --line: #35322e;
    --accent: #5aa1d6; --accent-ink: #0d1a24;
    --ok: #6fcf97; --ok-bg: #173324; --warn: #f2c66d; --warn-bg: #3a2e12; --bad: #f08a80; --bad-bg: #3b1d1a; --info-bg: #1b2a36;
  }
}
:root[data-theme="dark"] {
  --bg: #161514; --card: #201f1d; --ink: #ece8e1; --muted: #a39d93; --line: #35322e;
  --accent: #5aa1d6; --accent-ink: #0d1a24;
  --ok: #6fcf97; --ok-bg: #173324; --warn: #f2c66d; --warn-bg: #3a2e12; --bad: #f08a80; --bad-bg: #3b1d1a; --info-bg: #1b2a36;
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Tahoma, "Noto Sans Arabic", sans-serif;
}
h2 { font-size: 16px; margin: 22px 0 10px; }
h2:first-child { margin-top: 0; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }

.top {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px;
  padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { font-size: 24px; }
.name { font-weight: 700; }
.sub { font-size: 12px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.tab { background: none; border: 0; padding: 8px 14px; border-radius: 8px; color: var(--muted); font-weight: 600; }
.tab.active { background: var(--info-bg); color: var(--ink); }

main { max-width: 1080px; margin: 0 auto; padding: 18px 16px 60px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin-bottom: 12px; }
.row label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); min-width: 140px; }
.row label.grow { flex: 1 1 380px; }
.row label.check { flex-direction: row; align-items: center; gap: 6px; min-width: 0; color: var(--ink); }
.spacer { flex: 1; }
.hint { color: var(--muted); font-size: 13px; margin: 4px 0 14px; }

input, select, button { font: inherit; color: inherit; }
input, select {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; background: var(--bg); min-height: 38px;
}
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  border: 1px solid var(--line); background: var(--card); border-radius: 8px; padding: 8px 14px; cursor: pointer;
  min-height: 38px; font-weight: 600;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button.ghost { background: transparent; }
button.danger { color: var(--bad); }
button:disabled { opacity: .55; cursor: progress; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.actions.right { justify-content: flex-end; margin-top: 14px; }
.sticky { position: sticky; bottom: 0; background: var(--card); padding: 10px 0; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; margin-bottom: 14px; }
.tile {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 16px; min-height: 84px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg);
}
.tile .t-name { font-size: 18px; }
.tile .t-price { color: var(--muted); font-weight: 500; }
.tile:active { transform: scale(.98); }

h2.between { margin: 26px 0 10px; color: var(--muted); font-size: 14px; }
.counts { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; margin-bottom: 14px; }
.count { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.count .c-name { font-size: 17px; white-space: nowrap; }
.count .c-price { white-space: nowrap; }
.count .c-price { font-size: 12px; color: var(--muted); }
.stepper { display: flex; align-items: center; gap: 4px; }
.stepper button { width: 40px; padding: 0; font-size: 20px; }
.stepper input { width: 56px; text-align: center; font-size: 18px; font-weight: 700; }

table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; color: var(--muted); font-weight: 600; padding: 6px 8px; border-bottom: 1px solid var(--line); }
td { padding: 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
td input { width: 100%; min-width: 60px; }
td input[type=checkbox], .row input[type=checkbox] { width: 18px; height: 18px; min-width: 0; min-height: 0; }
.lines td.num input { width: 96px; }
.lines td.num, .lines th.num { width: 110px; }
td.num input { text-align: right; }
.lines td:first-child { width: 40%; }
.tablewrap { overflow-x: auto; }
.list tr.sel td { background: var(--info-bg); }

.buyer { margin: 14px 0; }
.buyer summary { cursor: pointer; color: var(--muted); font-size: 13px; margin-bottom: 10px; }

.totalbar { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.big { font-size: 28px; font-weight: 700; font-variant-numeric: tabular-nums; }

.stats { display: flex; gap: 18px; flex-wrap: wrap; margin: 4px 0 12px; font-size: 13px; color: var(--muted); }
.stats b { color: var(--ink); font-size: 15px; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.b-draft { background: var(--info-bg); }
.b-submitted { background: var(--warn-bg); color: var(--warn); }
.b-valid { background: var(--ok-bg); color: var(--ok); }
.b-invalid, .b-rejected, .b-failed { background: var(--bad-bg); color: var(--bad); }
.err { color: var(--bad); font-size: 12px; white-space: pre-wrap; max-width: 420px; }

.banner { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 14px; font-size: 14px; }
.banner.warn { background: var(--warn-bg); color: var(--warn); }
.banner.bad { background: var(--bad-bg); color: var(--bad); }
.banner.ok { background: var(--ok-bg); color: var(--ok); }
.banner ul { margin: 6px 0 0; padding-left: 20px; }

dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--ink); max-width: min(900px, 94vw); width: 100%; }
dialog::backdrop { background: rgb(0 0 0 / .35); }
pre { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 10px; overflow: auto; max-height: 60vh; font-size: 12px; direction: ltr; }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 8px; max-width: 90vw; z-index: 20; }

@media (max-width: 600px) {
  .top { padding: 10px 16px; }
  main { padding: 12px 16px 60px; }
  .card { padding: 14px; }
  .row label { min-width: 0; flex: 1 1 45%; }
  .tiles { grid-template-columns: 1fr 1fr; }
  .big { font-size: 24px; }
}

.login { max-width: 420px; margin: 40px auto; }
#logout { margin-left: auto; }
#sForm[data-auth="erp"] .pos-only, #sForm[data-auth="pos"] .erp-only { display: none; }
.accounts { margin-top: 16px; }