.libro-layout {
  width: min(860px, 92vw);
  margin: 2rem auto 4rem;
}

.libro-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.libro-header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.libro-section {
  margin-top: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

.libro-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.libro-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.libro-field--full {
  grid-column: 1 / -1;
}

.libro-field input,
.libro-field textarea,
.libro-field select {
  border: 1px solid #dfc8d3;
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  font: inherit;
  background: #fff;
}

.libro-field textarea {
  min-height: 120px;
  resize: vertical;
}

.libro-inline {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.libro-signature {
  margin-top: 0.75rem;
  background: #fff4f8;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.85rem;
}

.libro-signature p {
  margin: 0.25rem 0 0.7rem;
  color: var(--muted);
}

.libro-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

.libro-feedback {
  margin-top: 0.8rem;
  color: var(--muted);
}

.constancia {
  margin-top: 1.2rem;
  border: 1px solid #d8b7c7;
  border-radius: 16px;
  background: #fff;
  padding: 1rem;
}

.constancia h3 {
  margin-bottom: 0.6rem;
}

.constancia dl {
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.constancia dt {
  font-weight: 700;
}

.constancia dd {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 720px) {
  .libro-grid {
    grid-template-columns: 1fr;
  }

  .libro-actions {
    flex-direction: column;
  }
}

@media print {
  body > *:not(main) {
    display: none !important;
  }

  .libro-card form,
  .libro-feedback,
  .libro-actions,
  .whatsapp-fab {
    display: none !important;
  }

  .constancia {
    border: none;
    padding: 0;
    margin-top: 0;
  }
}