/* ============================================================
   AUTH.CSS — 로그인 / 회원가입 공통
   ============================================================ */

.auth-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(145deg, #EDF2F7 0%, #FFF4EC 100%);
}

/* ── Top bar (logo only) ── */
.auth-topbar {
  padding: var(--space-6) var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.auth-topbar-logo {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.auth-topbar-link {
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.auth-topbar-link a {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}
.auth-topbar-link a:hover { text-decoration: underline; }

/* ── Center wrapper ── */
.auth-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-10) var(--space-4);
}

/* ── Card ── */
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-10);
}

.auth-card-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.auth-card-icon {
  width: 52px;
  height: 52px;
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-5);
  color: var(--color-primary);
}
.auth-card-icon svg {
  width: 26px;
  height: 26px;
}

.auth-card-header h1 {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.auth-card-header p {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

/* ── Social login ── */
.auth-social {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.btn-social {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border: 1.5px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.btn-social:hover {
  background: var(--color-bg);
  border-color: var(--color-border-dark);
  box-shadow: var(--shadow-sm);
}
.btn-social svg,
.btn-social img {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ── Divider ── */
.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  color: var(--color-muted);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ── Form ── */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.auth-form .form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.auth-form label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text);
}

.auth-form input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.auth-form input:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(123, 175, 200, 0.18);
}
.auth-form input::placeholder { color: var(--color-muted); }
.auth-form input.is-error { border-color: var(--color-error); }

/* 비밀번호 입력 래퍼 */
.input-password-wrap {
  position: relative;
}
.input-password-wrap input {
  padding-right: 2.8rem;
}
.input-password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: var(--color-muted);
  display: flex;
  align-items: center;
}
.input-password-toggle:hover { color: var(--color-text); }
.input-password-toggle svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
}

.field-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  display: none;
}
.field-error.is-visible { display: block; }

/* 라벨 + 링크 한 줄 */
.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.field-label-row a {
  font-size: var(--text-xs);
  color: var(--color-secondary);
  font-weight: var(--font-medium);
}
.field-label-row a:hover { text-decoration: underline; }

/* 체크박스 */
.auth-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.auth-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}
.auth-check label { cursor: pointer; line-height: 1.5; }
.auth-check a { color: var(--color-secondary); font-weight: var(--font-medium); }
.auth-check a:hover { text-decoration: underline; }

.auth-check--required label { color: var(--color-text); font-weight: var(--font-medium); }
.required-mark { color: var(--color-error); }

/* remember / forgot row */
.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

/* 제출 버튼 */
.auth-submit-btn {
  width: 100%;
  padding: 0.85rem;
  font-size: var(--text-base);
}

/* ── 하단 링크 ── */
.auth-footer-link {
  text-align: center;
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-muted);
}
.auth-footer-link a {
  color: var(--color-primary);
  font-weight: var(--font-semibold);
}
.auth-footer-link a:hover { text-decoration: underline; }

/* 비밀번호 강도 */
.password-strength {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-1);
}
.strength-bars {
  display: flex;
  gap: 4px;
}
.strength-bar {
  flex: 1;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  transition: background var(--transition-base);
}
.strength-bar.active-1 { background: var(--color-error); }
.strength-bar.active-2 { background: var(--color-warning); }
.strength-bar.active-3 { background: var(--color-success); }
.strength-label {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* ── 반응형 ── */
@media (max-width: 480px) {
  .auth-card { padding: var(--space-8) var(--space-6); }
  .auth-topbar { padding: var(--space-4) var(--space-4); }
  .auth-topbar-logo svg { width: 150px; height: auto; }
}

/* ── SNS 로그인 ── */
.sns-login-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.sns-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border: 1.5px solid var(--color-border);
  cursor: pointer;
  transition: opacity var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}
.sns-btn:hover { opacity: 0.88; box-shadow: var(--shadow-sm); }

.sns-google {
  background: #fff;
  color: #3c4043;
  border-color: #dadce0;
}
.sns-naver {
  background: #03C75A;
  color: #fff;
  border-color: #03C75A;
}
.sns-naver svg { background: #03C75A; border-radius: 2px; }
.sns-kakao {
  background: #FEE500;
  color: #3C1E1E;
  border-color: #FEE500;
}

/* ── SNS 구분선 ── */
.sns-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  color: var(--color-muted);
  font-size: var(--text-sm);
}
.sns-divider::before,
.sns-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* ══════════════════════════════════════════════════════
   이용약관·개인정보처리방침 모달
   product-detail-flyer.html 옵션 가이드 모달과 동일 패턴
   ══════════════════════════════════════════════════════ */
body.modal-open {
  overflow: hidden;
}
.policy-modal[hidden] {
  display: none;
}
.policy-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.policy-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17, 24, 39, 0.46);
}
.policy-modal-dialog {
  position: relative;
  width: min(720px, 100%);
  max-height: min(820px, calc(100vh - 48px));
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  /* border-radius가 스크롤바에 가려지지 않도록 dialog 자체는 overflow hidden */
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.policy-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  background: var(--color-white);
}
.policy-modal-header h2 {
  margin: 0;
  font-size: var(--text-xl);
}
.policy-modal-close {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-white);
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.policy-modal-close:hover {
  background: var(--color-bg-alt);
}
.policy-modal-body {
  overflow-y: auto;
  overscroll-behavior: contain;
  flex: 1 1 auto;
  min-height: 0;
  padding: var(--space-6);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text);
}
.policy-modal-lead {
  margin: 0 0 var(--space-5);
  color: var(--color-muted);
  line-height: 1.6;
  font-size: var(--text-sm);
}
.policy-modal-body h3 {
  margin: var(--space-5) 0 var(--space-2);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
}
.policy-modal-body h3:first-child {
  margin-top: 0;
}
.policy-modal-body p {
  margin: 0 0 var(--space-2);
  color: var(--color-muted);
}
.policy-modal-body ul {
  margin: 0 0 var(--space-2) 1.25rem;
  padding: 0;
  color: var(--color-muted);
}
.policy-modal-body ul ul {
  margin-top: var(--space-1);
}
.policy-modal-body li {
  margin: 0 0 var(--space-1);
}
.policy-modal-body strong {
  color: var(--color-text);
  font-weight: var(--font-semibold);
}
.policy-modal-updated {
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-align: right;
}

@media (max-width: 640px) {
  .policy-modal {
    padding: var(--space-3);
  }
  .policy-modal-dialog {
    max-height: calc(100vh - 24px);
  }
  .policy-modal-header {
    padding: var(--space-4) var(--space-4);
  }
  .policy-modal-body {
    padding: var(--space-4);
  }
}