*{box-sizing:border-box}body{margin:0;background:#f3f5f8;color:#172b4d;font-family:-apple-system,BlinkMacSystemFont,"Arial",sans-serif}header{background:#172b4d;color:white;padding:16px 22px;display:flex;justify-content:space-between;align-items:center}h1{margin:0;font-size:25px}header small{color:#cbd5e1}#offline{font-size:12px;background:#23436f;padding:7px 10px;border-radius:20px}nav{display:flex;gap:7px;padding:10px;background:white;overflow:auto;position:sticky;top:0;z-index:2;box-shadow:0 2px 8px #0001}button{border:0;border-radius:9px;padding:12px 15px;background:#166534;color:white;font-weight:700;font-size:15px;cursor:pointer;white-space:nowrap}nav button{background:#edf1f6;color:#334155}nav button.active{background:#172b4d;color:white}main{padding:18px;max-width:1400px;margin:auto}.tab{display:none}.tab.show{display:block}h2{margin:4px 0 18px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.cards article,.panel{background:white;border:1px solid #e2e8f0;border-radius:12px;padding:17px}.cards small{display:block;color:#64748b;margin-bottom:10px}.cards strong{font-size:21px}.hint{background:#e8f1ff;color:#1e40af;padding:14px;border-radius:10px;margin-top:18px}.toolbar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.toolbar input{flex:1;min-width:170px}.tablewrap{overflow:auto;background:white;border-radius:10px;border:1px solid #e2e8f0}table{border-collapse:collapse;width:100%;min-width:750px}th,td{padding:11px 9px;text-align:center;border-bottom:1px solid #e8edf3;white-space:nowrap}th{background:#edf2f7}td button{padding:7px 10px;font-size:12px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.panel label,label{display:block;margin:10px 0;color:#334155;font-weight:600}input,select,textarea{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:8px;background:white;font:inherit;margin-top:5px;color:#172b4d}textarea{min-height:75px}.pay{display:flex;align-items:end;gap:15px;flex-wrap:wrap;margin-top:15px}.pay label{width:170px}.pay strong{font-size:20px;margin-bottom:13px}.pay button{margin-bottom:5px}.secondary{background:#64748b}.file{display:inline-block;background:#1d4ed8;color:white;padding:12px;border-radius:9px}.file input{display:none}dialog{border:0;border-radius:14px;width:min(560px,94vw);max-height:90vh;overflow:auto;box-shadow:0 10px 50px #0004}dialog::backdrop{background:#0006}.actions{display:flex;justify-content:flex-start;gap:8px;margin-top:15px}#invoicePaper{color:#111;direction:rtl}.invoiceHead{text-align:center;border-bottom:2px solid #222;padding-bottom:12px}.invoiceHead h2{margin:0}.invoiceMeta{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0}.invoiceTotals{margin-top:15px;text-align:left;font-size:17px}.invoiceTotals p{margin:7px}.danger{background:#b91c1c}.low{color:#b91c1c;font-weight:bold}@media(max-width:760px){main{padding:12px}.cards{grid-template-columns:repeat(2,1fr)}.grid2{grid-template-columns:1fr}.pay strong{width:100%}nav button{font-size:13px;padding:10px}}@media print{body *{visibility:hidden!important}#invoicePaper,#invoicePaper *{visibility:visible!important}#invoicePaper{position:absolute;top:0;right:0;width:100%;padding:12mm;font-family:Arial,sans-serif}.noPrint{display:none!important}@page{size:A4;margin:12mm}}
/* ESSEN invoice and accounting improvements */
.accounting-cards{grid-template-columns:repeat(4,1fr);margin-bottom:18px}
.expense-panel{margin:18px 0}
.quick-account{margin-top:22px}
.invoiceHead{border-bottom:3px solid #172b4d;padding:8px 0 15px}
.invoiceHead h2{font-size:25px;color:#172b4d}
.invoiceHead p{font-weight:700;color:#475569}
#invoicePaper table{min-width:0;width:100%;margin-top:16px;border:1px solid #d7dee8}
#invoicePaper th{background:#e9eef5;color:#172b4d}
#invoicePaper th,#invoicePaper td{padding:12px 8px;border:1px solid #d7dee8;white-space:normal}
.invoiceTotals{background:#f4f6f9;border:1px solid #d7dee8;border-radius:9px;padding:10px 16px}
.invoiceThanks{text-align:center;margin:28px 0 22px;font-weight:700;color:#172b4d}
.signatures{display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:38px;text-align:center}
.signatures span{display:block;font-weight:700}
.signatures i{display:block;border-bottom:1px solid #333;height:48px;margin:0 12px}
#invoicePaper{padding:4px}
@media(max-width:760px){.accounting-cards{grid-template-columns:repeat(2,1fr)}}
@media print{
#invoicePaper{padding:0}
#invoicePaper table{min-width:0}
}

.customer-summary{margin:14px 0 18px;grid-template-columns:repeat(3,1fr)}#customerProfile{min-width:min(700px,85vw)}#customerProfile .cards{grid-template-columns:repeat(4,1fr);margin:14px 0}#customerProfile h2{margin-top:0}@media(max-width:760px){.customer-summary{grid-template-columns:repeat(2,1fr)}#customerProfile .cards{grid-template-columns:repeat(2,1fr)}}

/* Invoice visibility and print layout fix */
dialog#invoiceDialog{
  width:min(860px,96vw);
  max-width:96vw;
  max-height:92vh;
  padding:20px;
  background:#fff;
  color:#111;
  overflow:auto;
}
#invoicePaper{
  display:block!important;
  visibility:visible!important;
  opacity:1!important;
  min-height:360px;
  width:100%;
  padding:18px;
  background:#fff!important;
  color:#111!important;
  direction:rtl;
  font-family:Arial,sans-serif;
  line-height:1.6;
}
#invoicePaper .invoiceHead h2{color:#172b4d;font-size:28px;text-align:center}
#invoicePaper .invoiceHead p{text-align:center;margin:4px 0 0}
#invoicePaper .invoiceMeta{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:18px 0}
#invoicePaper table{display:table!important;width:100%;border-collapse:collapse;margin:14px 0}
#invoicePaper th,#invoicePaper td{border:1px solid #cbd5e1;padding:9px 6px;text-align:center;color:#111}
#invoicePaper th{background:#edf2f7!important}
#invoicePaper .invoiceTotals{display:block;margin-top:16px;padding:10px 16px;background:#f4f6f9!important;border:1px solid #d7dee8}
#invoicePaper .invoiceThanks{display:block;text-align:center;margin:26px 0 18px;font-weight:700;color:#172b4d}
#invoicePaper .signatures{display:grid;grid-template-columns:1fr 1fr;gap:42px;margin-top:28px;text-align:center}
#invoicePaper .signatures span{display:block;font-weight:700;color:#111}
#invoicePaper .signatures i{display:block;height:48px;border-bottom:1px solid #333;margin:0 10px}
@media(max-width:600px){
  dialog#invoiceDialog{padding:10px}
  #invoicePaper{padding:8px;font-size:13px}
  #invoicePaper .invoiceMeta{grid-template-columns:1fr}
  #invoicePaper th,#invoicePaper td{padding:6px 3px;font-size:12px}
}
@media print{
  @page{size:A4;margin:12mm}
  body *{visibility:hidden!important}
  dialog#invoiceDialog,dialog#invoiceDialog *{visibility:visible!important}
  dialog#invoiceDialog[open]{
    display:block!important;position:static!important;inset:auto!important;
    width:100%!important;max-width:none!important;max-height:none!important;
    margin:0!important;padding:0!important;border:0!important;border-radius:0!important;
    overflow:visible!important;box-shadow:none!important;background:#fff!important;
  }
  #invoicePaper{
    position:static!important;display:block!important;visibility:visible!important;
    width:100%!important;min-height:0!important;padding:0!important;
    color:#111!important;background:#fff!important;
  }
  #invoiceDialog .noPrint{display:none!important}
  #invoicePaper table{min-width:0!important;page-break-inside:auto}
  #invoicePaper tr{page-break-inside:avoid;page-break-after:auto}
}


/* Modern ESSEN invoice — compact A4, one page when content fits */
#invoicePaper{
  direction:rtl;
  width:100%;
  max-width:100%;
  margin:0 auto;
  padding:16px;
  color:#172033;
  background:#fff;
  font-family:Arial,"Noto Naskh Arabic",sans-serif;
  font-size:13px;
  line-height:1.45;
}
#invoicePaper .invoiceHead{
  text-align:right;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:0 0 11px;
  margin-bottom:12px;
  border-bottom:2px solid #233b61;
}
#invoicePaper .invoiceHead h2{
  margin:0;
  color:#172b4d;
  font-size:25px;
  font-weight:800;
  letter-spacing:.1px;
}
#invoicePaper .invoiceHead p{
  margin:0;
  color:#64748b;
  font-size:13px;
  font-weight:700;
  text-align:left;
}
#invoicePaper .invoiceMeta{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:7px 14px;
  margin:10px 0 12px;
  padding:10px 12px;
  background:#f5f7fb;
  border:1px solid #e2e8f0;
  border-radius:8px;
  font-size:12px;
}
#invoicePaper table{
  display:table!important;
  width:100%!important;
  min-width:0!important;
  margin:10px 0 12px;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid #dce3ed;
  border-radius:7px;
  overflow:hidden;
  font-size:11.5px;
}
#invoicePaper thead{display:table-header-group}
#invoicePaper tbody{display:table-row-group}
#invoicePaper tr{
  break-inside:avoid;
  page-break-inside:avoid;
}
#invoicePaper th{
  background:#233b61!important;
  color:#fff!important;
  font-weight:700;
  padding:8px 5px;
  border:0!important;
  border-left:1px solid #49617f!important;
}
#invoicePaper td{
  color:#263449!important;
  padding:7px 5px;
  border:0!important;
  border-top:1px solid #e8edf3!important;
  border-left:1px solid #eef2f6!important;
  white-space:normal;
  overflow-wrap:anywhere;
}
#invoicePaper tbody tr:nth-child(even){background:#f8fafc}
#invoicePaper .invoiceTotals{
  display:flex!important;
  justify-content:flex-end;
  align-items:center;
  flex-wrap:wrap;
  gap:8px 20px;
  margin:12px 0 8px;
  padding:10px 12px;
  background:#f2f5f9!important;
  border:1px solid #dce3ed;
  border-radius:8px;
  text-align:right;
  font-size:12px;
}
#invoicePaper .invoiceTotals p{margin:0}
#invoicePaper .invoiceTotals p:first-child{
  color:#172b4d;
  font-size:15px;
  font-weight:800;
}
#invoicePaper .invoiceThanks{
  margin:14px 0 10px;
  text-align:center;
  color:#526174;
  font-size:11.5px;
  font-weight:700;
}
#invoicePaper .signatures{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:35px;
  margin-top:12px;
  text-align:center;
  font-size:11.5px;
  break-inside:avoid;
  page-break-inside:avoid;
}
#invoicePaper .signatures span{display:block;font-weight:700;color:#263449}
#invoicePaper .signatures i{
  display:block;
  height:32px;
  border-bottom:1px solid #94a3b8;
  margin:0 12px;
}
dialog#invoiceDialog{
  width:min(900px,96vw);
  max-width:96vw;
  max-height:92vh;
  padding:18px;
  background:#eef2f7;
  border-radius:14px;
}
#invoicePaper{
  box-shadow:0 2px 12px #172b4d14;
  border:1px solid #e2e8f0;
  border-radius:8px;
}
@media(max-width:600px){
  #invoicePaper{padding:10px;font-size:12px}
  #invoicePaper .invoiceHead h2{font-size:21px}
  #invoicePaper .invoiceMeta{grid-template-columns:1fr 1fr}
  #invoicePaper th,#invoicePaper td{padding:6px 3px;font-size:10.5px}
  #invoicePaper .invoiceTotals{gap:7px 12px}
}

/* Print only the invoice. Keep ordinary invoices on one A4 page;
   let longer item tables flow naturally onto page two and onward. */
@media print{
  @page{size:A4 portrait;margin:8mm}
  html,body{
    width:100%!important;
    height:auto!important;
    margin:0!important;
    padding:0!important;
    background:#fff!important;
    overflow:visible!important;
  }
  body *{visibility:hidden!important}
  dialog#invoiceDialog,
  dialog#invoiceDialog *{visibility:visible!important}
  dialog#invoiceDialog[open]{
    display:block!important;
    position:static!important;
    inset:auto!important;
    width:100%!important;
    max-width:none!important;
    max-height:none!important;
    margin:0!important;
    padding:0!important;
    border:0!important;
    border-radius:0!important;
    overflow:visible!important;
    box-shadow:none!important;
    background:#fff!important;
  }
  #invoicePaper{
    display:block!important;
    position:static!important;
    width:100%!important;
    max-width:none!important;
    min-height:0!important;
    margin:0!important;
    padding:0!important;
    border:0!important;
    border-radius:0!important;
    box-shadow:none!important;
    color:#172033!important;
    background:#fff!important;
    font-size:11px!important;
    line-height:1.28!important;
  }
  #invoicePaper .invoiceHead{padding-bottom:7px;margin-bottom:7px}
  #invoicePaper .invoiceHead h2{font-size:21px!important}
  #invoicePaper .invoiceHead p{font-size:11px!important}
  #invoicePaper .invoiceMeta{
    margin:6px 0 7px!important;
    padding:7px 9px!important;
    gap:4px 10px!important;
    font-size:10px!important;
    background:#f5f7fb!important;
    -webkit-print-color-adjust:exact;
    print-color-adjust:exact;
  }
  #invoicePaper table{margin:6px 0 7px!important;font-size:9.5px!important}
  #invoicePaper th{padding:5px 4px!important;background:#233b61!important;color:#fff!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  #invoicePaper td{padding:4px!important}
  #invoicePaper .invoiceTotals{
    margin:7px 0 5px!important;
    padding:6px 9px!important;
    gap:6px 15px!important;
    font-size:10px!important;
    background:#f2f5f9!important;
    -webkit-print-color-adjust:exact;
    print-color-adjust:exact;
  }
  #invoicePaper .invoiceTotals p:first-child{font-size:12px!important}
  #invoicePaper .invoiceThanks{margin:7px 0 5px!important;font-size:9.5px!important}
  #invoicePaper .signatures{margin-top:6px!important;gap:30px!important;font-size:9.5px!important}
  #invoicePaper .signatures i{height:23px!important}
  #invoicePaper tr{break-inside:avoid!important;page-break-inside:avoid!important}
  #invoicePaper .invoiceTotals,
  #invoicePaper .invoiceThanks,
  #invoicePaper .signatures{
    break-inside:avoid!important;
    page-break-inside:avoid!important;
  }
  #invoiceDialog .noPrint{display:none!important;visibility:hidden!important}
}


/* Centered, refined ESSEN invoice masthead */
#invoicePaper .invoiceHead{
  display:flex!important;
  flex-direction:column!important;
  align-items:center!important;
  justify-content:center!important;
  text-align:center!important;
  gap:5px!important;
  padding:4px 0 13px!important;
  margin:0 0 12px!important;
  border-bottom:0!important;
  position:relative!important;
}
#invoicePaper .invoiceHead h2{
  width:100%!important;
  margin:0!important;
  text-align:center!important;
  color:#1d3557!important;
  font-size:27px!important;
  font-weight:800!important;
  letter-spacing:.2px!important;
}
#invoicePaper .invoiceHead p{
  width:100%!important;
  margin:0!important;
  text-align:center!important;
  color:#718096!important;
  font-size:12px!important;
  font-weight:600!important;
}
#invoicePaper .invoiceHead::after{
  content:"";
  display:block;
  width:112px;
  height:3px;
  margin:7px auto 0;
  border-radius:99px;
  background:linear-gradient(90deg,#c6a66b 0%,#233b61 50%,#c6a66b 100%);
}
@media print{
  #invoicePaper .invoiceHead{
    padding:2px 0 8px!important;
    margin-bottom:7px!important;
  }
  #invoicePaper .invoiceHead h2{font-size:23px!important}
  #invoicePaper .invoiceHead p{font-size:10px!important}
  #invoicePaper .invoiceHead::after{
    width:94px;
    height:2px;
    margin-top:5px;
    -webkit-print-color-adjust:exact;
    print-color-adjust:exact;
  }
}


/* iPad/Safari print whitespace fix:
   hidden app sections previously kept their layout height because visibility:hidden
   does not remove elements from document flow. Remove all non-invoice body children. */
@media print{
  html,body{
    display:block!important;
    width:100%!important;
    height:auto!important;
    min-height:0!important;
    margin:0!important;
    padding:0!important;
    overflow:visible!important;
    background:#fff!important;
  }
  body > :not(#invoiceDialog){
    display:none!important;
    visibility:hidden!important;
    height:0!important;
    min-height:0!important;
    margin:0!important;
    padding:0!important;
  }
  dialog#invoiceDialog[open]{
    display:block!important;
    visibility:visible!important;
    position:static!important;
    inset:auto!important;
    width:100%!important;
    height:auto!important;
    min-height:0!important;
    max-height:none!important;
    margin:0!important;
    padding:0!important;
    overflow:visible!important;
    border:0!important;
    box-shadow:none!important;
    background:#fff!important;
  }
  dialog#invoiceDialog::backdrop{
    display:none!important;
    background:transparent!important;
  }
  #invoicePaper{
    display:block!important;
    visibility:visible!important;
    position:static!important;
    width:100%!important;
    height:auto!important;
    min-height:0!important;
    max-height:none!important;
    margin:0!important;
    padding:0!important;
    overflow:visible!important;
    background:#fff!important;
    box-shadow:none!important;
  }
  #invoiceDialog .noPrint{display:none!important}
}