:root {
  --navy: #183D5B;
  --blue: #285A7C;
  --copper: #BA824F;
  --ink: #1b2430;
  --muted: #667085;
  --line: #e4e7ec;
  --soft: #f5f7fa;
  --card: #ffffff;
  --bg: #f2f4f7;
  --ok: #157f3c;
  --okbg: #e8f6ee;
  --warn: #9a5b00;
  --warnbg: #fff4e0;
  --bad: #b42318;
  --badbg: #fdecea;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Dubai", "IBM Plex Sans Arabic", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  font-variant-numeric: lining-nums tabular-nums;
}
a { color: var(--blue); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
.ltr { direction: ltr; unicode-bidi: isolate; }
.num { direction: ltr; unicode-bidi: isolate; font-variant-numeric: tabular-nums; white-space: nowrap; }
.muted { color: var(--muted); }
.boot { padding: 80px 16px; text-align: center; color: var(--muted); }

/* top bar */
.top {
  position: sticky; top: 0; z-index: 20;
  background: var(--navy); color: #fff;
  display: flex; align-items: center; gap: 18px;
  padding: 0 20px; height: 58px;
}
.top .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; white-space: nowrap; }
.top .brand img { height: 30px; filter: brightness(0) invert(1); }
.top nav { display: flex; gap: 4px; overflow-x: auto; flex: 1; scrollbar-width: none; }
.top nav a { color: #c9d6e3; padding: 8px 12px; border-radius: 8px; white-space: nowrap; }
.top nav a.on, .top nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.top .who { display: flex; align-items: center; gap: 10px; white-space: nowrap; font-size: 14px; color: #c9d6e3; }
.top .who button { background: transparent; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 4px 10px; cursor: pointer; }

main.page { max-width: 1180px; margin: 0 auto; padding: 24px 16px 80px; }
.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.head h1 { margin: 0; font-size: 22px; color: var(--navy); }
.head .sub { color: var(--muted); font-size: 14px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.card h2 { margin: 0 0 14px; font-size: 16px; color: var(--navy); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line); background: #fff; border-radius: 9px;
  padding: 8px 16px; cursor: pointer; font-weight: 600; white-space: nowrap;
}
.btn:hover { background: var(--soft); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--navy); }
.btn.copper { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.danger { color: var(--bad); border-color: #f3c6c1; }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* forms */
.grid { display: grid; gap: 14px 16px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.f { display: flex; flex-direction: column; gap: 4px; }
.f.wide { grid-column: 1 / -1; }
.f label { font-size: 13px; color: var(--muted); font-weight: 500; }
.f .hint { font-size: 12px; color: var(--muted); }
input, select, textarea {
  border: 1px solid #d0d5dd; border-radius: 8px; padding: 8px 10px; background: #fff; width: 100%; min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid #b8cfe3; border-color: var(--blue); }
input[readonly], select:disabled, input:disabled, textarea:disabled { background: var(--soft); color: #475467; }
input.en, textarea.en { direction: ltr; text-align: left; }
input[type=number] { direction: ltr; text-align: left; }
input[type=date] { direction: ltr; text-align: right; }

/* tables */
.tw { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th { background: var(--soft); color: #475467; font-weight: 600; text-align: right; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; font-size: 13px; }
table.t td { padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.t tr:last-child td { border-bottom: 0; }
table.t tr.click { cursor: pointer; }
table.t tr.click:hover td { background: #f8fafc; }
table.t td.n, table.t th.n { text-align: left; direction: ltr; white-space: nowrap; }
table.t tfoot td { font-weight: 700; background: var(--soft); }
table.lines td { padding: 6px; }
table.lines input, table.lines select { padding: 6px 8px; font-size: 14px; }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); }

/* status chips */
.chip { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.chip.draft { background: var(--warnbg); color: var(--warn); }
.chip.issued, .chip.open { background: var(--okbg); color: var(--ok); }
.chip.voided, .chip.closed { background: #eef0f3; color: #667085; }
.chip.entered { background: var(--warnbg); color: var(--warn); }

.alert { border-radius: 10px; padding: 12px 14px; margin-bottom: 14px; font-size: 14px; }
.alert.bad { background: var(--badbg); color: var(--bad); }
.alert.warn { background: var(--warnbg); color: var(--warn); }
.alert.ok { background: var(--okbg); color: var(--ok); }
.alert .actions { margin-top: 10px; }

.totals { display: flex; gap: 24px; justify-content: flex-end; flex-wrap: wrap; padding-top: 12px; font-size: 15px; }
.totals b { color: var(--navy); }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: linear-gradient(160deg, var(--navy), var(--blue)); }
.login .box { background: #fff; border-radius: 16px; padding: 32px 28px; width: 100%; max-width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.login img { height: 44px; display: block; margin: 0 auto 18px; }
.login h1 { font-size: 18px; text-align: center; margin: 0 0 20px; color: var(--navy); }
.login .f { margin-bottom: 12px; }
.login .btn { width: 100%; margin-top: 6px; }

/* modal */
.modal-bg { position: fixed; inset: 0; background: rgba(16,24,40,.45); display: grid; place-items: center; z-index: 50; padding: 16px; }
.modal { background: #fff; border-radius: 14px; padding: 22px; width: 100%; max-width: 480px; max-height: 90vh; overflow: auto; }
.modal h3 { margin: 0 0 12px; color: var(--navy); }
.modal .actions { justify-content: flex-start; margin-top: 18px; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--navy); color: #fff; padding: 10px 18px; border-radius: 10px; z-index: 60; box-shadow: 0 8px 24px rgba(0,0,0,.2); max-width: 90vw; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.filters select, .filters input { width: auto; }

@media (max-width: 720px) {
  .top { padding: 0 12px; gap: 10px; }
  .top .brand span { display: none; }
  .top .who .name { display: none; }
  main.page { padding: 16px 12px 80px; }
  .card { padding: 16px; }
}

/* ───────── printed document (English, LTR) ───────── */
.print-bar { position: sticky; top: 0; z-index: 20; background: var(--navy); color: #fff; padding: 10px 16px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.print-bar .btn { border-color: rgba(255,255,255,.3); }
.print-bar label { display: flex; gap: 6px; align-items: center; font-size: 14px; }
.print-bar input { width: auto; }
.paper-wrap { padding: 24px 12px; overflow-x: auto; }
.paper {
  direction: ltr; text-align: left;
  width: 210mm; min-height: 297mm; margin: 0 auto; background: #fff;
  box-shadow: 0 4px 24px rgba(0,0,0,.12);
  padding: 14mm 16mm 0; position: relative; display: flex; flex-direction: column;
  font-family: "Open Sans", Arial, sans-serif; font-size: 10.5pt; color: #222; line-height: 1.45;
}
.paper .logo { height: 14mm; align-self: flex-start; }
.paper h1 { text-align: center; font-size: 13pt; letter-spacing: .5px; margin: 6mm 0 6mm; }
.paper .meta { text-align: right; margin-bottom: 8mm; }
.paper .meta div { margin: 1mm 0; }
.paper .meta b { font-weight: 700; }
.paper .party { display: grid; grid-template-columns: 30mm 1fr; margin-bottom: 7mm; }
.paper .party .k { font-weight: 700; }
.paper .party .v b { display: block; }
.paper table.items { width: 100%; border-collapse: collapse; margin-top: 3mm; font-size: 9.5pt; }
.paper table.items th { background: #a6a6a6; color: #fff; font-weight: 700; padding: 1.6mm 2mm; text-align: center; border: 0.5px solid #fff; }
.paper table.items td { padding: 1.4mm 2mm; border: 0.5px solid #d4d4d4; }
.paper table.items td.r { text-align: right; white-space: nowrap; }
.paper table.items td.c { text-align: center; }
.paper .grand { display: flex; justify-content: flex-end; gap: 8mm; font-weight: 700; margin-top: 2mm; }
.paper .words { font-weight: 700; margin: 5mm 0 8mm; text-transform: uppercase; }
.paper .kv { display: grid; grid-template-columns: 36mm 1fr; row-gap: .6mm; margin-bottom: 4mm; }
.paper .kv .k { white-space: nowrap; }
.paper .h { font-weight: 700; margin: 3mm 0 2mm; }
.paper .bottom { display: flex; justify-content: space-between; align-items: flex-end; gap: 8mm; }
.paper .sealbox { position: relative; width: 62mm; height: 44mm; flex: none; }
.paper .sealbox .stamp { position: absolute; right: 8mm; top: 0; width: 34mm; opacity: .92; }
.paper .sealbox .sig { position: absolute; right: 18mm; top: 8mm; width: 34mm; }
.paper .sealbox .signame { position: absolute; right: 0; bottom: 0; text-align: right; font-size: 9pt; }
.paper .spacer { flex: 1; }
.paper .foot { margin: 0 -16mm; padding: 4mm 12mm 6mm; }
.paper .foot img { width: 100%; display: block; }
.paper .watermark { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; font-size: 80pt; font-weight: 700; color: rgba(180,35,24,.10); transform: rotate(-30deg); }
.paper .ref { font-size: 9pt; color: #555; }

@media print {
  @page { size: A4; margin: 0; }
  body { background: #fff; }
  .top, .print-bar, .toast, .no-print { display: none !important; }
  main.page { padding: 0; max-width: none; }
  .paper-wrap { padding: 0; }
  .paper { box-shadow: none; margin: 0; width: 210mm; min-height: 296mm; }
}