/* ================================================================
   invoice.css — print-ready invoice / quote layout
   ================================================================ */
.invoice-doc {
  background: #fff; max-width: 800px; margin: 0 auto; padding: 2.5rem;
  border: 1px solid var(--border); border-radius: var(--r-lg); box-shadow: var(--shadow-sm);
}
.inv-head { display: flex; justify-content: space-between; gap: var(--sp-lg); flex-wrap: wrap; margin-bottom: var(--sp-xl); }
.inv-brand h1 { font-size: 1.5rem; color: var(--dark); }
.inv-brand .biz-meta { font-size: .85rem; color: var(--muted); margin-top: .4rem; line-height: 1.5; }
.inv-meta { text-align: right; }
.inv-meta .inv-number { font-family: var(--heading-font); font-size: 1.2rem; color: var(--accent); font-weight: 700; }
.inv-meta .inv-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.inv-parties { display: flex; justify-content: space-between; gap: var(--sp-lg); margin-bottom: var(--sp-lg); flex-wrap: wrap; }
.inv-party .party-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: .25rem; }
.inv-party .party-name { font-weight: 600; color: var(--dark); }

table.inv-table { width: 100%; border-collapse: collapse; margin: var(--sp-lg) 0; }
table.inv-table th {
  text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--muted); padding: .6rem .5rem; border-bottom: 2px solid var(--border);
}
table.inv-table th.r, table.inv-table td.r { text-align: right; }
table.inv-table td { padding: .6rem .5rem; border-bottom: 1px solid var(--border); font-size: .9rem; }
table.inv-table tr.cat-row td { font-weight: 600; color: var(--dark); }

.inv-totals { margin-left: auto; width: 320px; max-width: 100%; margin-top: var(--sp-md); }
.inv-totals .tr { display: flex; justify-content: space-between; padding: .35rem 0; font-size: .92rem; }
.inv-totals .tr.grand {
  border-top: 2px solid var(--border); margin-top: .4rem; padding-top: .7rem;
  font-size: 1.15rem; font-weight: 700; color: var(--dark);
}
.inv-totals .tr.grand .amt { color: var(--accent); }
.inv-notes { margin-top: var(--sp-xl); padding-top: var(--sp-lg); border-top: 1px solid var(--border); font-size: .85rem; color: var(--muted); }

.inv-paid-stamp {
  display: inline-block; transform: rotate(-8deg); border: 3px solid var(--success);
  color: var(--success); font-weight: 800; font-size: 1.4rem; padding: .2rem 1rem;
  border-radius: var(--r-md); letter-spacing: .1em; text-transform: uppercase; opacity: .85;
}

/* Signature block inside invoice-doc */
.sig-block { margin-top: var(--sp-xl); padding-top: var(--sp-lg); border-top: 2px solid var(--border); }
.sig-row { display: flex; gap: var(--sp-xl); flex-wrap: wrap; margin-bottom: var(--sp-lg); }
.sig-col { flex: 1; min-width: 180px; }
.sig-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-bottom: .3rem; }
.sig-name { font-weight: 600; color: var(--dark); font-size: 1rem; }
.sig-email { font-size: .85rem; color: var(--muted); margin-top: .15rem; }
.sig-image-wrap { margin-top: var(--sp-md); }
.sig-image { max-width: 320px; max-height: 120px; border: 1px solid var(--border); border-radius: var(--r-md); background: #fff; padding: .25rem; }

/* Mobile: compact invoice */
@media (max-width: 768px) {
  .invoice-doc { padding: 1.25rem; border-radius: var(--r-md); }
  .inv-head { flex-direction: column; gap: var(--sp-sm); margin-bottom: var(--sp-lg); }
  .inv-meta { text-align: left; }
  .inv-brand h1 { font-size: 1.2rem; }
  .inv-parties { flex-direction: column; gap: var(--sp-sm); margin-bottom: var(--sp-md); }
  table.inv-table th, table.inv-table td { padding: .45rem .35rem; font-size: .85rem; }
  .inv-totals { width: 100%; }
}

@media (max-width: 480px) {
  .invoice-doc { padding: .875rem; border-radius: var(--r-sm); }
  table.inv-table th { font-size: .68rem; }
  table.inv-table td { font-size: .82rem; }
  .inv-totals .tr { font-size: .85rem; }
  .inv-totals .tr.grand { font-size: 1rem; }
}

@media print {
  .app-header, .app-footer, .no-print, .form-actions { display: none !important; }
  body { background: #fff; }
  .invoice-doc { border: none; box-shadow: none; max-width: none; padding: 0; }
  .app-main { padding: 0; }
}