html,
body {
  margin: 0;
  padding: 0;
  background: #f3f4f6;
  color: #111827;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
}

.aibill-print-toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  gap: 8px;
  justify-content: center;
  padding: 12px;
  background: #111827;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.aibill-print-toolbar button {
  padding: 8px 14px;
  border: 0;
  border-radius: 6px;
  background: #ffffff;
  color: #111827;
  font-weight: 700;
  cursor: pointer;
}

.aibill-invoice-card {
  width: 210mm;
  max-width: calc(100% - 24px);
  min-height: 297mm;
  box-sizing: border-box;
  margin: 18px auto;
  padding: 22mm 18mm;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.12);
}

.aibill-invoice-head,
.aibill-two-col,
.aibill-meta-grid,
.aibill-notes-grid {
  display: grid;
  gap: 18px;
}

.aibill-invoice-head {
  grid-template-columns: 1fr auto;
  align-items: start;
  padding-bottom: 22px;
  border-bottom: 2px solid #111827;
}

.aibill-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: #eef2ff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.aibill-invoice-head h2 {
  margin: 12px 0 6px;
  font-size: 30px;
}

.aibill-invoice-head p,
.aibill-two-col p,
.aibill-meta-grid span,
.aibill-notes-grid p {
  margin: 4px 0;
  color: #4b5563;
}

.aibill-total-badge {
  min-width: 180px;
  padding: 14px;
  border-radius: 12px;
  background: #f9fafb;
  text-align: right;
}

.aibill-total-badge span,
.aibill-summary span {
  display: block;
  color: #6b7280;
  font-size: 12px;
}

.aibill-total-badge strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.aibill-two-col {
  grid-template-columns: 1fr 1fr;
  margin-top: 24px;
}

.aibill-two-col h3,
.aibill-notes-grid h3 {
  margin: 0 0 8px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.aibill-meta-grid {
  grid-template-columns: repeat(3, 1fr);
  margin: 24px 0;
  padding: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  background: #f9fafb;
}

.aibill-meta-grid b {
  display: block;
  margin-top: 4px;
}

.aibill-items-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.aibill-items-table th,
.aibill-items-table td {
  padding: 10px;
  border-bottom: 1px solid #e5e7eb;
  text-align: left;
  vertical-align: top;
}

.aibill-items-table th {
  background: #f3f4f6;
  color: #111827;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.aibill-items-table th:nth-child(n+2),
.aibill-items-table td:nth-child(n+2) {
  text-align: right;
}

.aibill-items-table small {
  display: block;
  margin-top: 3px;
  color: #6b7280;
}

.aibill-summary {
  width: 310px;
  margin-left: auto;
  padding: 12px 0;
}

.aibill-summary div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 7px 0;
}

.aibill-summary .aibill-grand {
  margin-top: 8px;
  padding-top: 12px;
  border-top: 2px solid #111827;
  font-size: 16px;
}

.aibill-notes-grid {
  grid-template-columns: 1fr;
  margin-top: 28px;
  page-break-inside: avoid;
}

@media print {
  @page {
    size: A4;
    margin: 12mm;
  }

  html,
  body {
    background: #ffffff;
  }

  .no-print,
  .aibill-print-toolbar {
    display: none !important;
  }

  .aibill-invoice-card {
    width: auto;
    max-width: none;
    min-height: auto;
    margin: 0;
    padding: 0;
    border: 0;
    box-shadow: none;
  }

  .aibill-items-table tr,
  .aibill-summary,
  .aibill-two-col,
  .aibill-meta-grid,
  .aibill-notes-grid {
    page-break-inside: avoid;
  }
}