body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f9;
  color: #1f2937;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px;
}

.panel {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.muted {
  color: #6b7280;
  font-size: 14px;
}

.booking-form .grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

label,
legend {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
}

input,
select,
textarea,
button {
  width: 100%;
  box-sizing: border-box;
  padding: 10px 12px;
  font-size: 16px;
  margin-top: 6px;
}

fieldset {
  margin-top: 20px;
  padding: 16px;
}

fieldset label {
  font-weight: 400;
  margin-bottom: 8px;
}

#paypal-button-container {
  margin-top: 24px;
}

.card-section {
  margin-top: 24px;
}

.card-field {
  border: 1px solid #d1d5db;
  height: 44px;
  padding: 10px;
  margin-top: 6px;
  margin-bottom: 16px;
}

.card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pricing-preview {
  margin-top: 20px;
  padding: 16px;
  border: 1px solid #e5e7eb;
  background: #f9fafb;
  border-radius: 8px;
}

#result-message {
  margin-top: 24px;
  padding: 16px;
  background: #111827;
  color: #f9fafb;
  border-radius: 8px;
  white-space: pre-wrap;
  overflow-x: auto;
}