/* ===== 사전등록 (register.html) ===== */
.form-group {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.form-group:last-of-type { border-bottom: none; }
.form-label {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: var(--blue);
  margin-bottom: 12px;
}
.form-label.form-label--follow {
  margin-top: 16px;
}
.form-label .num { margin-right: 4px; }
.form-label .req { color: var(--required); margin-left: 2px; }
.form-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}
.checkbox-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.checkbox-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  cursor: pointer;
}
.checkbox-item input { accent-color: var(--blue); width: 16px; height: 16px; flex-shrink: 0; }
.form-label--inline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
}
.form-label-note {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}
.forum-apply-none {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}
.forum-apply-options {
  gap: 12px;
}
.forum-apply-option {
  align-items: flex-start;
  line-height: 1.55;
  max-width: 720px;
}
.forum-apply-option input {
  margin-top: 4px;
}
.form-control {
  width: 100%;
  max-width: 480px;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--white);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(27, 94, 170, 0.12);
}
.form-control.is-error {
  border-color: var(--required);
}
.consent-box {
  width: 100%;
  height: 160px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fafbfd;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.7;
  color: #445;
  margin-bottom: 14px;
  white-space: pre-wrap;
}
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
}
.radio-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  cursor: pointer;
}
.radio-item input { accent-color: var(--blue); width: 16px; height: 16px; }
.radio-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.other-input {
  margin-left: 24px;
  margin-top: 6px;
  max-width: 320px;
  display: none;
}
.other-input.is-visible { display: block; }
.field-error {
  font-size: 13px;
  color: var(--required);
  margin-top: 6px;
  display: none;
}
.field-error.is-visible { display: block; }

@media (max-width: 768px) {
  .form-control { max-width: 100%; }
  .btn-group { flex-wrap: wrap; }
}