.fb-form {
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.fb-section h3 {
  margin: 0 0 4px;
  font-size: 18px;
  line-height: 1.4;
}
.fb-section-description {
  margin: 0 0 12px;
  color: #6b7280;
  font-size: 14px;
}
.fb-section-fields {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.fb-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.fb-row-single {
  flex-direction: column;
  align-items: stretch;
}
.fb-row-multi {
  flex-direction: row;
}
.fb-col {
  min-width: 0;
  flex: 1 1 0;
}
.fb-col-full {
  width: 100%;
  max-width: 100%;
  flex: 1 1 auto;
}
.fb-col-split {
  width: 100%;
}
.fb-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.fb-field label {
  font-size: 13px;
  color: #374151;
}
.fb-required-indicator {
  color: #dc2626;
  font-weight: 700;
  margin-left: 4px;
}
.fb-field input,
.fb-field select,
.fb-field textarea {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  box-sizing: border-box;
}
.fb-field-checkbox {
  flex-direction: row;
  align-items: center;
}
.fb-field-checkbox input {
  width: auto;
  margin: 0;
}
.fb-content-block {
  width: 100%;
}
.fb-captcha-wrapper {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 0;
}
.fb-captcha-message {
  min-height: 16px;
  color: #b91c1c;
  font-size: 13px;
  line-height: 1.3;
}
.fb-content-block h1,
.fb-content-block h2,
.fb-content-block h3,
.fb-content-block h4,
.fb-content-block h5,
.fb-content-block h6,
.fb-content-block p {
  margin-top: 0;
}
.fb-submit {
  border: 0;
  border-radius: 8px;
  background: #111827;
  color: #ffffff;
  font-size: 14px;
  padding: 12px 16px;
  cursor: pointer;
}
@media (max-width: 640px) {
  .fb-row-multi {
    flex-direction: column;
  }
  .fb-col-split {
    max-width: none !important;
    flex-basis: auto !important;
  }
}