.client-work-card-head-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.btn.client-whatsapp-open,
.btn.client-whatsapp-send {
  border-color: #16a34a;
  background: #16a34a;
  color: #fff;
  box-shadow: 0 8px 18px rgba(22, 163, 74, .18);
}

.btn.client-whatsapp-open:hover,
.btn.client-whatsapp-send:hover {
  border-color: #15803d;
  background: #15803d;
}

.client-whatsapp-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(15, 23, 42, .52);
  backdrop-filter: blur(4px);
}

.client-whatsapp-overlay.hidden { display: none; }

.client-whatsapp-dialog {
  width: min(760px, 100%);
  max-height: min(880px, calc(100vh - 48px));
  overflow: hidden;
  border: 1px solid #dbe5f4;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 28px 80px rgba(15, 23, 42, .28);
}

.client-whatsapp-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid #e6edf7;
  background: linear-gradient(135deg, #ecfdf5 0%, #fff 70%);
}

.client-whatsapp-head span {
  color: #15803d;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.client-whatsapp-head h2 { margin: 3px 0 0; font-size: 22px; }

.client-whatsapp-close {
  width: 38px;
  height: 38px;
  border: 1px solid #d6deea;
  border-radius: 10px;
  background: #fff;
  color: #475467;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.client-whatsapp-body {
  display: grid;
  gap: 14px;
  max-height: calc(100vh - 160px);
  padding: 18px 20px 20px;
  overflow-y: auto;
}

.client-whatsapp-intro { display: grid; gap: 3px; }
.client-whatsapp-intro strong { font-size: 16px; color: #1f2937; }
.client-whatsapp-intro span { color: #667085; font-size: 13px; }

.client-whatsapp-field { display: grid; gap: 6px; }
.client-whatsapp-field > span,
.client-whatsapp-invoices legend { color: #344054; font-size: 12px; font-weight: 700; }
.client-whatsapp-field input,
.client-whatsapp-field textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #bbf7d0;
  border-radius: 10px;
  padding: 10px 12px;
  background: #f0fdf4;
  color: #111827;
  font: inherit;
}
.client-whatsapp-field input.invalid { border-color: #fca5a5; background: #fff1f2; }
.client-whatsapp-field input.valid { border-color: #86efac; background: #f0fdf4; }
.client-whatsapp-field input:focus,
.client-whatsapp-field textarea:focus { outline: none; border-color: #16a34a; box-shadow: 0 0 0 3px rgba(22, 163, 74, .12); }
.client-whatsapp-field small,
.client-whatsapp-error { min-height: 16px; color: #b42318; font-size: 12px; }

.client-whatsapp-invoices { margin: 0; padding: 0; border: 0; }
.client-whatsapp-invoice-list {
  display: grid;
  gap: 7px;
  max-height: 220px;
  margin-top: 7px;
  overflow-y: auto;
}
.client-whatsapp-invoice-list label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border: 1px solid #dbe5f4;
  border-radius: 10px;
  background: #fbfdff;
  cursor: pointer;
}
.client-whatsapp-invoice-list input { width: 17px; height: 17px; accent-color: #16a34a; }
.client-whatsapp-invoice-list span { display: grid; gap: 2px; min-width: 0; }
.client-whatsapp-invoice-list strong { overflow: hidden; color: #1f2937; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.client-whatsapp-invoice-list small { color: #667085; font-size: 11px; }
.client-whatsapp-invoice-list b { color: #1f2937; font-size: 13px; font-weight: 650; }

.client-whatsapp-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 4px;
}
.client-whatsapp-footer > div:first-child { display: grid; gap: 3px; }
.client-whatsapp-footer strong { color: #15803d; font-size: 13px; }
.client-whatsapp-footer small { color: #667085; font-size: 11px; }
.client-whatsapp-footer-actions { display: flex; gap: 8px; flex: 0 0 auto; }

@media (max-width: 640px) {
  .client-whatsapp-overlay { padding: 0; place-items: stretch; }
  .client-whatsapp-dialog { width: 100%; max-height: 100vh; border-radius: 0; }
  .client-whatsapp-body { max-height: calc(100vh - 78px); }
  .client-whatsapp-footer { align-items: stretch; flex-direction: column; }
  .client-whatsapp-footer-actions .btn { flex: 1; }
}