*{box-sizing:border-box}
:root{--blue:#123b8f;--green:#0c7b3e;--light:#f4f7fb;--border:#d9e0ea;--text:#18212b}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#eef2f6;color:var(--text)}
.app-header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:12px 22px;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 2px 10px #00000012}
.brand{display:flex;gap:10px;align-items:center}.brand-mark{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#0c7b3e,#123b8f);color:#fff;display:grid;place-items:center;font-size:25px}
.brand h1{margin:0;font-size:21px;color:var(--blue)}.brand p{margin:2px 0 0;color:#65717e;font-size:12px}
.header-actions{display:flex;gap:8px}.btn{border:1px solid var(--blue);background:#fff;color:var(--blue);padding:10px 15px;border-radius:9px;font-weight:700;cursor:pointer}.btn:hover{filter:brightness(.96)}.btn.primary{background:var(--blue);color:#fff}.btn.secondary{border-color:#aeb9c8;color:#374151}.btn.small{padding:7px 11px;font-size:13px}
.page{max-width:1400px;margin:22px auto;padding:0 16px}.company-card,.form-card{background:#fff;border:1px solid var(--border);border-radius:14px;margin-bottom:16px;box-shadow:0 3px 15px #00000008}
.company-card{display:block;overflow:hidden}.company-details{padding:24px;display:flex;flex-direction:column;justify-content:center}.company-details h2{margin:0 0 10px;color:var(--blue);font-size:28px}.company-details p{margin:4px 0;line-height:1.55}
.form-card{padding:18px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.section-title h2{margin:0;font-size:18px;color:#173b75}.hint,.note{font-size:12px;color:#697586}.note{margin:9px 0 0}
.grid{display:grid;gap:13px;margin-bottom:13px}.grid.four{grid-template-columns:repeat(4,1fr)}.grid.three{grid-template-columns:repeat(3,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}
label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:700;color:#4a5563}input,select,textarea{width:100%;border:1px solid #cfd7e2;border-radius:8px;padding:10px 11px;background:#fff;font:inherit;color:#1d2733;outline:none}input:focus,select:focus,textarea:focus{border-color:#2d63c8;box-shadow:0 0 0 3px #2d63c815}textarea{resize:vertical}
.table-wrap{overflow-x:auto}.table-wrap table{width:100%;border-collapse:collapse;min-width:1000px}.table-wrap th{background:#f0f4f8;color:#364152;font-size:11px;padding:9px 7px;border-bottom:1px solid var(--border);text-align:left}.table-wrap td{padding:6px 5px;border-bottom:1px solid #e7ebf0}.table-wrap td input,.table-wrap td select{padding:8px;font-size:12px}.row-no{text-align:center;font-weight:700;color:#64748b}.remove{border:0;background:#fff;color:#c62828;font-size:18px;cursor:pointer}
.totals-layout{display:grid;grid-template-columns:1fr 430px;gap:25px}.totals-box{border:1px solid var(--border);border-radius:12px;overflow:hidden;align-self:start}.totals-box>div{display:flex;justify-content:space-between;padding:10px 13px;border-bottom:1px solid #e8edf2}.totals-box .grand{background:#edf5ff;font-size:18px;color:var(--blue);border-bottom:0}.totals-box b{font-variant-numeric:tabular-nums}
.history-list{display:grid;gap:8px}.history-item{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--border);border-radius:9px;padding:10px 12px}.history-item .meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px}.history-actions{display:flex;gap:6px}.history-actions button{padding:6px 9px;border-radius:7px;border:1px solid var(--border);background:#fff;cursor:pointer}.empty{padding:18px;text-align:center;color:#7a8593;background:#f8fafc;border-radius:9px}
.toast{position:fixed;right:18px;bottom:18px;background:#16202b;color:#fff;padding:11px 15px;border-radius:9px;opacity:0;transform:translateY(10px);transition:.25s;pointer-events:none}.toast.show{opacity:1;transform:translateY(0)}
@media(max-width:900px){.company-card{grid-template-columns:1fr}.grid.four,.grid.three{grid-template-columns:repeat(2,1fr)}.totals-layout{grid-template-columns:1fr}.header-actions .secondary{display:none}}
@media(max-width:560px){.app-header{position:static;padding:10px 12px}.brand h1{font-size:17px}.brand-mark{width:36px;height:36px;font-size:20px}.header-actions{gap:5px}.header-actions .btn{padding:8px 9px;font-size:11px}.page{padding:0 8px;margin:10px auto}.form-card{padding:12px;border-radius:10px}.grid.four,.grid.three,.grid.two{grid-template-columns:1fr}.company-details{padding:14px}.company-details h2{font-size:22px}.section-title{align-items:flex-start}.section-title h2{font-size:16px}.hint{display:none}}
@media print{
  @page{size:A4;margin:10mm}
  body{background:#fff;font-size:10px}.app-header,.history-card,.note,.btn,.hint{display:none!important}.page{max-width:none;margin:0;padding:0}.company-card,.form-card{box-shadow:none;border:1px solid #aaa;border-radius:0;margin-bottom:7px;padding:9px}.company-details{padding:8px}.company-details h2{font-size:18px}.company-details p{margin:2px 0;font-size:9px}.section-title{margin-bottom:7px}.section-title h2{font-size:12px}.grid{gap:6px;margin-bottom:6px}.grid.four,.grid.three{grid-template-columns:repeat(4,1fr)}.grid.two{grid-template-columns:repeat(2,1fr)}input,select,textarea{border:0;padding:2px 3px;font-size:9px;min-height:auto}.form-card label{font-size:8px}.table-wrap{overflow:visible}.table-wrap table{min-width:0;font-size:8px}.table-wrap th,.table-wrap td{padding:3px}.table-wrap td input,.table-wrap td select{padding:2px;font-size:8px}.remove{display:none}.totals-layout{grid-template-columns:1fr 300px;gap:12px}.totals-box>div{padding:4px 7px}.totals-box .grand{font-size:12px}.company-card,.form-card{break-inside:avoid}
}

@media print{
  .amount-words{display:block!important}
  .amount-words span{font-size:8px}
  .amount-words b{font-size:9px}
}


@media print{
  /* Hide browser input controls/arrows in the printed invoice */
  input[type="number"]{
    -moz-appearance:textfield !important;
    appearance:textfield !important;
  }
  input[type="number"]::-webkit-outer-spin-button,
  input[type="number"]::-webkit-inner-spin-button{
    -webkit-appearance:none !important;
    margin:0 !important;
  }
  select{
    -webkit-appearance:none !important;
    -moz-appearance:none !important;
    appearance:none !important;
    background-image:none !important;
  }
  select::-ms-expand{display:none !important;}
}

.amount-words{
  grid-column:1 / -1;
  margin-top:12px;
  padding:10px 13px;
  border:1px solid var(--border);
  border-radius:9px;
  background:#fafbfd;
}
.amount-words span{
  display:block;
  font-size:11px;
  color:#697586;
  margin-bottom:3px;
}
.amount-words b{
  display:block;
  font-size:13px;
  line-height:1.4;
  color:#18212b;
}
@media print{
  .amount-words{
    grid-column:1 / -1;
    margin-top:6px;
    padding:5px 7px;
    border:1px solid #aaa;
    background:#fff;
  }
  .amount-words span{font-size:8px}
  .amount-words b{font-size:9px}
}