/**
 * Manage Custom Fields modal - opened from project iframe via postMessage (index.html).
 * Scoped under #manageCustomFieldsModal.
 */
:root {
  --mcf-primary: #ed2047;
  --mcf-gray-50: #f9fafb;
  --mcf-gray-100: #f3f4f6;
  --mcf-gray-200: #e5e7eb;
  --mcf-gray-500: #6b7280;
  --mcf-gray-600: #4b5563;
  --mcf-gray-700: #374151;
  --mcf-gray-800: #1f2937;
  --mcf-radius: 12px;
}

#manageCustomFieldsModal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

#manageCustomFieldsModal.manage-custom-fields-modal-open {
  display: flex;
}

#manageCustomFieldsModal .modal-content {
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 24px;
  background: white;
  border-radius: var(--mcf-radius);
  width: 90%;
  max-width: 900px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.18);
}

#manageCustomFieldsModal .modal-header {
  margin-bottom: 16px;
  position: sticky;
  top: 0;
  z-index: 6;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#manageCustomFieldsModal .modal-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--mcf-gray-800);
}

#manageCustomFieldsModal .close-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--mcf-gray-100);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mcf-gray-600);
  transition: background 0.2s, color 0.2s;
}

#manageCustomFieldsModal .close-btn:hover {
  background: var(--mcf-gray-200);
  color: var(--mcf-gray-800);
}

#manageCustomFieldsModal .manage-custom-fields-body {
  flex: 1;
  overflow-y: auto;
  padding-right: 8px;
}

#manageCustomFieldsModal .btn {
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity 0.2s, transform 0.2s;
}

#manageCustomFieldsModal .btn-primary {
  background: linear-gradient(to right, var(--mcf-primary), #f26225);
  color: white;
}

#manageCustomFieldsModal .btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

#manageCustomFieldsModal .btn-secondary {
  background: var(--mcf-gray-100);
  color: var(--mcf-gray-700);
}

#manageCustomFieldsModal .btn-secondary:hover {
  background: var(--mcf-gray-200);
}

#manageCustomFieldsModal .form-group {
  margin-bottom: 16px;
}

#manageCustomFieldsModal .form-label {
  display: block;
  font-weight: 500;
  color: var(--mcf-gray-700);
  margin-bottom: 6px;
}

#manageCustomFieldsModal .form-input,
#manageCustomFieldsModal .form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--mcf-gray-200);
  border-radius: 8px;
  font-size: 14px;
}

#manageCustomFieldsModal .form-input:focus,
#manageCustomFieldsModal .form-textarea:focus {
  outline: none;
  border-color: var(--mcf-primary);
}

#manageCustomFieldsModal .form-textarea {
  min-height: 80px;
  resize: vertical;
}

#manageCustomFieldsModal .form-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

#manageCustomFieldsModal .custom-field-form {
  padding: 18px;
  background: rgba(15, 23, 42, 0.04);
  border-radius: var(--mcf-radius);
  margin-bottom: 16px;
  display: none;
  flex-direction: column;
  gap: 16px;
}

#manageCustomFieldsModal .custom-field-form.active {
  display: flex;
}

#manageCustomFieldsModal .custom-field-option-tip {
  font-size: 12px;
  color: var(--mcf-gray-500);
  margin-top: 4px;
}

#manageCustomFieldsModal .custom-fields-empty {
  font-size: 13px;
  color: var(--mcf-gray-500);
  background: rgba(15, 23, 42, 0.04);
  border-radius: 10px;
  padding: 14px 16px;
}

#manageCustomFieldsModal .custom-field-management-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#manageCustomFieldsModal .custom-field-management-item {
  border: 1px solid var(--mcf-gray-200);
  border-radius: var(--mcf-radius);
  padding: 16px;
  background: white;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#manageCustomFieldsModal .custom-field-management-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

#manageCustomFieldsModal .custom-field-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.08);
  color: var(--mcf-gray-600);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

#manageCustomFieldsModal .custom-field-management-actions {
  display: flex;
  gap: 8px;
}

#manageCustomFieldsModal .header-btn {
  padding: 8px 12px;
  border: none;
  background: var(--mcf-gray-100);
  border-radius: 6px;
  cursor: pointer;
  color: var(--mcf-gray-600);
  transition: background 0.2s, color 0.2s;
}

#manageCustomFieldsModal .header-btn:hover {
  background: var(--mcf-primary);
  color: white;
}