/* Auth — login / register */
.auth-section {
  padding: 3rem 0 5rem;
  min-height: calc(100vh - var(--header-h) - 200px);
  display: flex;
  align-items: center;
}

.auth-container {
  max-width: 440px;
  margin-inline: auto;
}

.auth-container-wide {
  max-width: 640px;
}

.auth-card {
  padding: 2.5rem 2rem;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(139, 111, 92, 0.08);
}

.auth-head {
  text-align: center;
  margin-bottom: 2rem;
}

.auth-badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wood);
  background: none;
  border-radius: 0;
}

.auth-head h1 {
  margin: 0 0 0.5rem;
  font-size: 1.625rem;
}

.auth-head p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--wood);
}

.auth-head-note {
  margin-top: 0.65rem !important;
  padding: 0.55rem 0.85rem;
  font-size: 0.8125rem !important;
  line-height: 1.45;
  color: var(--ink) !important;
  background: rgba(139, 111, 92, 0.06);
  border-radius: 8px;
  border: 1px solid rgba(139, 111, 92, 0.1);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-fieldset {
  margin: 0 0 1.75rem;
  padding: 0;
  border: none;
}

.form-fieldset legend {
  width: 100%;
  margin: 0 0 1.1rem;
  padding: 0 0 0.6rem;
  border-bottom: 1px solid rgba(139, 111, 92, 0.16);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--wood-dark);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--wood-dark);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--wood-dark);
  background: var(--cream);
  border: 1px solid rgba(139, 111, 92, 0.2);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--wood);
  box-shadow: 0 0 0 3px rgba(139, 111, 92, 0.15);
  background: var(--white);
}

.form-textarea {
  resize: vertical;
  min-height: 88px;
}

.form-group-error .form-input {
  border-color: #b0544a;
}

.form-hint {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--wood);
}

.form-hint ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.form-hint ul li + li {
  margin-top: 0.15rem;
}

.form-error {
  margin: 0.35rem 0 0;
  font-size: 0.8125rem;
  color: #b04040;
}

.form-alert {
  margin-bottom: 1rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

.form-alert-error {
  background: #fdeeed;
  color: #8b3030;
  border: 1px solid rgba(196, 92, 92, 0.25);
}

.form-alert-success {
  background: #eef6f0;
  color: #2f5c3f;
  border: 1px solid rgba(47, 92, 63, 0.2);
}

.form-alert-success p + p {
  margin-top: 0.45rem;
}

.form-alert p {
  margin: 0;
}

.form-alert-list {
  margin: 0.55rem 0 0;
  padding-left: 1.1rem;
}

.form-alert-list li + li {
  margin-top: 0.2rem;
}

.form-alert-note {
  margin-top: 0.55rem !important;
  font-size: 0.8125rem;
  opacity: 0.9;
}

.auth-foot .btn {
  margin: 0.35rem;
  text-decoration: none;
}

.auth-foot .btn:hover {
  text-decoration: none;
}

.auth-foot .btn-primary {
  color: var(--white);
}

.auth-foot .btn-outline {
  color: var(--wood-dark);
}

.auth-submit {
  width: 100%;
  margin-top: 0.5rem;
  height: 3.2rem;
}

.auth-foot {
  margin: 1.5rem 0 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--wood);
}

.auth-foot a:not(.btn) {
  font-weight: 600;
  color: #8f3f38;
}

.auth-foot a:not(.btn):hover {
  text-decoration: underline;
}

/* 비밀번호 조건 실시간 체크 */
.pw-checklist {
  list-style: none;
  margin: 0.5rem 0 1rem;
  padding: 0.8rem 1rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.45rem 1rem;
  background: var(--cream);
  border-radius: var(--radius-sm);
}

.pw-checklist li {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8125rem;
  color: var(--wood);
  transition: color var(--transition);
}

.pw-check-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  font-size: 0.65rem;
  line-height: 1;
  color: transparent;
  border: 1.5px solid rgba(139, 111, 92, 0.35);
  border-radius: 50%;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.pw-check-icon::before {
  content: "✓";
}

.pw-checklist li.is-valid {
  color: #3f7d5c;
}

.pw-checklist li.is-valid .pw-check-icon {
  color: #fff;
  background: #3f7d5c;
  border-color: #3f7d5c;
}

/* 필수 표시 */
.form-req {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 6px;
  vertical-align: middle;
  background: #b0544a;
}

/* 사업장 주소 — 검색 버튼 + 스택 입력 */
.form-postcode-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.form-postcode-row .form-input {
  flex: 0 1 9rem;
}

.form-postcode-btn,
.form-group label.form-file-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.85rem;
  margin-bottom: 0;
  padding: 0 1.05rem;
  border-width: 1px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  box-sizing: border-box;
}

.form-group .form-postcode-row + .form-input,
.form-group .form-input + .form-input {
  margin-top: 0.5rem;
}

/* 사업자등록증 파일 첨부 */
.form-file-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  width: 100%;
}

.form-file-name {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  height: 2.85rem;
  padding: 0 0.95rem;
  font-size: 0.875rem;
  line-height: 1.3;
  color: var(--wood);
  background: var(--cream);
  border: 1px solid rgba(139, 111, 92, 0.2);
  border-radius: var(--radius-sm);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  box-sizing: border-box;
}

.form-file-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .auth-card {
    padding: 2rem 1.25rem;
  }
}