/* ================================================================
   PAYMENTS — invoice creator split-pane + live preview (mig 196)
================================================================ */

.invoice-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 1100px) {
  /* Stack on narrow screens. Preview drops below the form. */
  .invoice-split { grid-template-columns: 1fr; }
}

.invoice-form-pane { min-width: 0; }   /* defend against grid overflow */

.invoice-preview-pane {
  display: flex; flex-direction: column;
  gap: 0.6rem;
  position: sticky;
  top: 5.25rem;
}
.invoice-preview-toolbar {
  display: flex; align-items: center; justify-content: space-between;
}
.invoice-preview-eyebrow {
  font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-5);
}

/* The actual A4 paper. aspect-ratio keeps the proportions honest so
   what the lawyer sees ≈ what the PDF renders. */
.invoice-preview-paper {
  background: #fff;
  color: #1a1814;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-2);
  aspect-ratio: 210 / 297;
  padding: 2.3rem 2.1rem;
  overflow: auto;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  line-height: 1.45;
}

/* Letterhead — image when set, text block otherwise. Aspect-driven
   sizing keeps preview crisp without forcing a fixed height. */
.invoice-preview-paper .ip-letterhead {
  margin: -2.3rem -2.1rem 1.1rem;
  border-bottom: 1px solid #eef0f3;
}
.invoice-preview-paper .ip-letterhead-img {
  display: block; width: 100%; height: auto;
}
.invoice-preview-paper .ip-letterhead-text {
  padding: 1.1rem 2.1rem 0.9rem;
}
.invoice-preview-paper .ip-firm-name {
  font-family: var(--font-serif);
  font-size: 1.15rem; color: #1a1814;
}
.invoice-preview-paper .ip-firm-meta {
  font-size: 0.7rem; color: #6b7280;
  margin-top: 0.2rem;
}

.invoice-preview-paper .ip-meta-row {
  display: flex; justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1.1rem;
}
.invoice-preview-paper .ip-meta-row > div:last-child { text-align: right; }
.invoice-preview-paper .ip-label {
  font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: #6b7280;
}
.invoice-preview-paper .ip-client {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: #1a1814;
}

.invoice-preview-paper .ip-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}
.invoice-preview-paper .ip-table th {
  text-align: left;
  font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: #6b7280;
  border-bottom: 1.5px solid #1a1814;
  padding: 0.4rem 0;
}
.invoice-preview-paper .ip-table td {
  padding: 0.45rem 0;
  border-bottom: 1px solid #eef0f3;
  vertical-align: top;
}
.invoice-preview-paper .ip-amt {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.invoice-preview-paper .ip-tag {
  display: inline-block;
  font-size: 0.6rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em;
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  background: #f1f5f9;
  color: #475569;
  margin-left: 0.35rem;
}
.invoice-preview-paper .ip-empty {
  color: #94a3b8;
  font-style: italic;
  padding: 0.85rem 0;
  text-align: center;
}

.invoice-preview-paper .ip-totals {
  display: flex; flex-direction: column;
  align-items: flex-end;
  gap: 0.25rem;
  margin-top: 0.5rem;
  font-variant-numeric: tabular-nums;
}
.invoice-preview-paper .ip-totals > div {
  display: flex; gap: 1.5rem; min-width: 14rem;
  justify-content: space-between;
  padding: 0.18rem 0;
}
.invoice-preview-paper .ip-totals .ip-total {
  border-top: 1.5px solid #1a1814;
  font-weight: 700;
  font-size: 0.95rem;
  padding-top: 0.4rem;
  margin-top: 0.25rem;
}
.invoice-preview-paper .ip-notes {
  margin-top: 1.5rem;
  padding-top: 0.8rem;
  border-top: 1px solid #eef0f3;
  white-space: pre-wrap;
}

/* ── Invoice share modal — additional rows for WhatsApp + PDF ─── */
.invoice-share-actions {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-top: 0.75rem;
}

/* ── Invoice cadence toggle ──────────────────────────────────── */
.invoice-cadence-toggle {
  display: inline-flex; gap: 0;
  background: var(--paper-3);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 0.18rem;
}
.invoice-cadence-btn {
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.82rem;
  color: var(--ink-3);
  padding: 0.32rem 0.9rem;
  border-radius: calc(var(--r-md) - 4px);
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}
.invoice-cadence-btn:hover { color: var(--ink); }
.invoice-cadence-btn.is-active {
  background: var(--paper-2);
  color: var(--ink);
  box-shadow: var(--shadow-1);
  font-weight: 600;
}