/* ═══════════════════════════════════════════════
   Hash Nance — 로그인 / 회원가입 공통
   ═══════════════════════════════════════════════ */

/* auth 페이지 전용 */
html.auth-html, body.auth-body-page {
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.auth-page {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: var(--bg-body);
}
.auth-page::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 0%, rgba(13,148,136,.06), transparent 55%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(13,148,136,.04), transparent 50%);
  pointer-events: none;
}
.auth-page::after {
  content: "";
  position: fixed;
  width: 400px; height: 400px;
  bottom: -120px; right: -80px;
  background: radial-gradient(circle, rgba(13,148,136,.05), transparent 70%);
  pointer-events: none;
}

.auth-card {
  position: relative;
  width: 100%;
  max-width: 400px;
  background: var(--bg-glass-strong);
  backdrop-filter: blur(24px);
  border: var(--border);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  overflow: visible;
  animation: authCardIn .5s var(--ease) both;
  flex-shrink: 0;
}
@keyframes authCardIn {
  from { opacity: 0; transform: translateY(20px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-card-header {
  padding: 1.5rem 1.75rem 0;
  text-align: center;
}
.auth-card-header .logo {
  display: inline-flex;
  margin-bottom: .75rem;
}
.auth-card-header .logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='36' height='36' viewBox='0 0 36 36' fill='none'%3E%3Cpath d='M11 9v18M25 9v18' stroke='white' stroke-width='2.2' stroke-linecap='round' opacity='.95'/%3E%3Cpath d='M11 20L25 15' stroke='white' stroke-width='2.2' stroke-linecap='round' opacity='.95'/%3E%3C/svg%3E") center/cover no-repeat,
    linear-gradient(155deg, #5b21b6 0%, #4f46e5 50%, #6366f1 100%);
  box-shadow: 0 3px 14px rgba(79,70,229,.32), 0 0 0 1px rgba(255,255,255,.1) inset;
}
.auth-card-header .logo-mark::before,
.auth-card-header .logo-mark::after { content: none; }
.auth-title {
  font-family: var(--f-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 .125rem;
  color: var(--c-text);
}
.auth-desc {
  font-size: .8125rem;
  color: var(--c-sub);
  margin: 0 0 1rem;
}

.auth-body {
  padding: 0 1.75rem 1.25rem;
}

/* Form */
.auth-card .form-group {
  margin-bottom: .625rem;
  position: relative;
}
.auth-card .form-label {
  display: block;
  font-size: .6875rem;
  font-weight: 600;
  color: var(--c-sub);
  margin-bottom: .25rem;
  letter-spacing: .02em;
}
.auth-card .form-label-optional {
  font-weight: 400;
  color: var(--c-dim);
}
.auth-card .input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-card .input-wrap .input-icon {
  position: absolute;
  left: .75rem;
  width: 16px; height: 16px;
  color: var(--c-dim);
  pointer-events: none;
  transition: color .2s;
}
.auth-card .form-input {
  width: 100%;
  padding: .5rem .75rem .5rem 2.375rem;
  font-family: var(--f-body);
  font-size: .8125rem;
  color: var(--c-text);
  background: var(--bg-inset);
  border: 1.5px solid transparent;
  border-radius: var(--r-sm);
  outline: none;
  transition: all .2s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}
.auth-card .form-input::placeholder { color: var(--c-dim); }
.auth-card .form-input:focus {
  border-color: var(--c-brand);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(13,148,136,.08);
}
.auth-card .form-input:focus ~ .input-icon { color: var(--c-brand); }
.auth-card .form-input.is-valid { border-color: var(--c-green); }
.auth-card .form-input.is-valid:focus { box-shadow: 0 0 0 3px rgba(5,150,105,.08); }
.auth-card .form-input.is-invalid { border-color: var(--c-red); }
.auth-card .form-input.is-invalid:focus { box-shadow: 0 0 0 3px rgba(220,38,38,.08); }

.auth-card .form-feedback {
  font-size: .625rem;
  margin-top: .125rem;
  min-height: .875rem;
  line-height: 1.3;
  transition: all .2s;
}
.auth-card .form-feedback.success { color: var(--c-green); }
.auth-card .form-feedback.error { color: var(--c-red); }
.auth-card .form-feedback.info { color: var(--c-dim); }

.pw-toggle {
  position: absolute;
  right: .75rem;
  background: none;
  border: none;
  color: var(--c-dim);
  cursor: pointer;
  padding: .25rem;
  display: flex;
  transition: color .15s;
}
.pw-toggle:hover { color: var(--c-text); }

/* Password strength (register only) */
.pw-strength {
  display: flex;
  gap: 4px;
  margin-top: .25rem;
}
.pw-strength-bar {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: rgba(0,0,0,.06);
  transition: background .3s;
}
.pw-strength-bar.active.weak { background: var(--c-red); }
.pw-strength-bar.active.medium { background: var(--c-amber); }
.pw-strength-bar.active.strong { background: var(--c-green); }
.pw-strength-label {
  font-size: .625rem;
  font-weight: 600;
  margin-top: .1875rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.pw-strength-label.weak { color: var(--c-red); }
.pw-strength-label.medium { color: var(--c-amber); }
.pw-strength-label.strong { color: var(--c-green); }

/* ── Auto Login Toggle ── */
.auto-login-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: .625rem 0 .25rem;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.auto-login-check {
  display: none;
}
.auto-login-toggle {
  position: relative;
  width: 34px;
  height: 18px;
  background: rgba(71,85,105,.4);
  border-radius: 999px;
  border: 1px solid rgba(148,163,184,.15);
  transition: background .2s, border-color .2s;
  flex-shrink: 0;
}
.auto-login-toggle::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 12px;
  height: 12px;
  background: #94a3b8;
  border-radius: 50%;
  transition: transform .2s cubic-bezier(.4,0,.2,1), background .2s;
}
.auto-login-check:checked + .auto-login-toggle {
  background: rgba(13,148,136,.35);
  border-color: rgba(13,148,136,.5);
}
.auto-login-check:checked + .auto-login-toggle::after {
  transform: translateX(16px);
  background: #0d9488;
  box-shadow: 0 0 6px rgba(13,148,136,.4);
}
.auto-login-text {
  font-size: .75rem;
  color: #94a3b8;
  font-weight: 500;
  letter-spacing: .01em;
  transition: color .2s;
}
.auto-login-check:checked ~ .auto-login-text {
  color: #5eead4;
}

.btn-submit {
  width: 100%;
  padding: .625rem;
  margin-top: .375rem;
  font-family: var(--f-body);
  font-size: .875rem;
  font-weight: 700;
  color: var(--c-white);
  background: var(--c-brand);
  border: none;
  border-radius: var(--r-sm);
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: all .2s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn-submit:hover:not(:disabled) {
  background: var(--c-brand-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13,148,136,.25);
}
.btn-submit:active:not(:disabled) { transform: translateY(0); }
.btn-submit:disabled { opacity: .55; cursor: not-allowed; }
.btn-submit,
.auth-card .form-input,
.pw-toggle {
  touch-action: manipulation; /* 더블탭 확대 지연 제거 */
}
.btn-submit .spinner {
  display: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: authSpin .6s linear infinite;
  margin: 0 auto;
}
.btn-submit.loading .btn-text { visibility: hidden; }
.btn-submit.loading .spinner { display: block; position: absolute; top: 50%; left: 50%; margin: -9px 0 0 -9px; }
@keyframes authSpin { to { transform: rotate(360deg); } }

.auth-switch {
  text-align: center;
  margin: 1rem 0 0;
  font-size: .8125rem;
  color: var(--c-sub);
}
.auth-switch a {
  color: var(--c-brand);
  text-decoration: none;
  font-weight: 600;
  transition: color .15s;
}
.auth-switch a:hover { color: var(--c-brand-dark); }

.auth-footer {
  text-align: center;
  padding: 0 1.75rem 1.25rem;
}
.auth-back {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  color: var(--c-dim);
  text-decoration: none;
  font-size: .75rem;
  font-weight: 500;
  transition: color .15s;
}
.auth-back:hover { color: var(--c-brand); }

/* Toast */
.toast-container {
  position: fixed;
  top: max(1.5rem, env(safe-area-inset-top));
  right: max(1.5rem, env(safe-area-inset-right));
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.toast {
  padding: .875rem 1.25rem;
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-sm);
  box-shadow: var(--shadow-md);
  font-size: .8125rem;
  font-weight: 500;
  color: var(--c-text);
  display: flex;
  align-items: center;
  gap: .5rem;
  animation: toastIn .35s var(--ease) both;
  max-width: 340px;
}
.toast.success { border-left: 3px solid var(--c-green); }
.toast.error { border-left: 3px solid var(--c-red); }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ── 모바일 ── */
@media (max-width: 520px) {
  .auth-page {
    align-items: flex-start;
    padding: max(.75rem, env(safe-area-inset-top)) .75rem max(1rem, env(safe-area-inset-bottom));
    padding-left: max(.75rem, env(safe-area-inset-left));
    padding-right: max(.75rem, env(safe-area-inset-right));
  }
  .auth-card {
    border-radius: 16px;
    max-width: 100%;
    margin: 0 auto;
    box-shadow: 0 2px 16px rgba(0,0,0,.10);
  }
  .auth-card-header {
    padding: 1.25rem 1.25rem 0;
  }
  .auth-card-header .logo { margin-bottom: .5rem; }
  .auth-card-header .logo-mark { width: 32px; height: 32px; border-radius: 9px; }
  .auth-title { font-size: 1.125rem; }
  .auth-desc { font-size: .75rem; margin-bottom: .75rem; }
  .auth-body {
    padding: 0 1.25rem 1rem;
  }
  .auth-card .form-group {
    margin-bottom: .5rem;
  }
  .auth-card .form-label {
    font-size: .6875rem;
    margin-bottom: .1875rem;
  }
  .auth-card .form-input {
    padding: .5625rem .75rem .5625rem 2.25rem;
    font-size: 16px;
    border-radius: 10px;
  }
  .auth-card .input-wrap .input-icon {
    left: .625rem;
    width: 15px;
    height: 15px;
  }
  .pw-toggle { right: .5rem; padding: .25rem; }
  .pw-toggle svg { width: 16px; height: 16px; }
  .btn-submit {
    padding: .6875rem;
    font-size: .875rem;
    margin-top: .5rem;
    border-radius: 10px;
  }
  .auth-switch { margin-top: .75rem; font-size: .8125rem; }
  .auth-footer { padding: .25rem 1.25rem 1rem; }
  .auth-card .form-feedback { font-size: .625rem; min-height: .75rem; }
  .pw-strength { margin-top: .1875rem; }
  .pw-strength-bar { height: 2.5px; }
  .pw-strength-label { font-size: .5625rem; margin-top: .125rem; }
  .toast-container {
    top: 0.75rem;
    left: 0.75rem;
    right: 0.75rem;
    max-width: none;
  }
  .toast { font-size: .75rem; padding: .625rem 1rem; }

  /* 로그인 카드: 모바일에서 화면 중앙 배치 */
  .auth-card--login {
    align-self: center;
    margin-top: auto;
    margin-bottom: auto;
    max-width: 380px;
  }
}

/* 회원가입·찾기 카드: 모바일에서 컴팩트 + 내부 스크롤 */
@media (max-width: 520px) {
  .auth-card--register,
  .auth-card--find {
    max-height: calc(100dvh - 1.5rem);
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  .auth-card--register .auth-card-header,
  .auth-card--find .auth-card-header {
    flex-shrink: 0;
    padding: 1rem 1.25rem 0;
  }
  .auth-card--register .auth-title { font-size: 1.0625rem; }
  .auth-card--register .auth-desc { margin-bottom: .5rem; }
  .auth-card--register .auth-body,
  .auth-card--find .auth-body {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 0 1.125rem .75rem;
  }
  .auth-card--register .form-group {
    margin-bottom: .375rem;
  }
  .auth-card--register .form-input {
    padding-top: .4375rem;
    padding-bottom: .4375rem;
  }
  .auth-card--register .auth-footer,
  .auth-card--find .auth-footer {
    flex-shrink: 0;
    padding: .375rem 1.25rem .75rem;
  }
  .auth-card--register .auth-switch { margin-top: .5rem; }
}

/* 초소형 화면 (SE, 작은 안드로이드) */
@media (max-width: 380px) {
  .auth-page { padding: .5rem .5rem .75rem; }
  .auth-card-header { padding: 1rem 1rem 0; }
  .auth-body { padding: 0 1rem .75rem; }
  .auth-card--login {
    max-width: 100%;
  }
  .auth-card--register .auth-card-header { padding: .75rem 1rem 0; }
  .auth-card--register .auth-title { font-size: 1rem; }
  .auth-card--register .auth-body { padding: 0 .875rem .625rem; }
  .auth-card--register .form-group { margin-bottom: .3125rem; }
  .auth-card--register .form-label { font-size: .625rem; }
  .auth-card--register .form-input { padding: .375rem .625rem .375rem 2rem; font-size: 16px; }
  .auth-card--register .input-wrap .input-icon { width: 14px; height: 14px; left: .5rem; }
  .auth-card--register .btn-submit { padding: .5rem; font-size: .8125rem; }
  .auth-card--register .form-feedback { font-size: .5625rem; min-height: .625rem; }
}

/* ── 로그인: 아이디·비번 찾기 버튼 row ── */
.auth-find-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: .875rem 0 .25rem;
}
.auth-find-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .375rem;
  padding: .5625rem .875rem;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,.07);
  background: var(--bg-inset, #f1f3f7);
  color: var(--c-sub, #4b5563);
  font-size: .8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: background .15s, border-color .15s, color .15s, box-shadow .15s;
  white-space: nowrap;
}
.auth-find-btn svg {
  flex-shrink: 0;
  opacity: .6;
  transition: opacity .15s;
}
.auth-find-btn:hover {
  background: #fff;
  border-color: rgba(13,148,136,.3);
  color: var(--c-brand, #0d9488);
  box-shadow: 0 1px 6px rgba(13,148,136,.1);
}
.auth-find-btn:hover svg { opacity: 1; }
.auth-find-btn:active { transform: scale(.97); }
.auth-find-divider {
  width: 1px;
  height: 20px;
  background: rgba(0,0,0,.08);
  flex-shrink: 0;
}

/* ── 아이디·비밀번호 찾기 탭 ── */
.find-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid rgba(0,0,0,.06);
  margin: 0 1.5rem .25rem;
}
.find-tab {
  flex: 1;
  padding: .625rem .5rem;
  background: none;
  border: none;
  font-size: .875rem;
  font-weight: 600;
  color: var(--c-dim);
  cursor: pointer;
  border-bottom: 2.5px solid transparent;
  margin-bottom: -2px;
  transition: color .15s, border-color .15s;
}
.find-tab:hover { color: var(--c-text); }
.find-tab--active {
  color: var(--c-brand);
  border-bottom-color: var(--c-brand);
}

/* ── find 결과 박스 ── */
.find-result {
  text-align: center;
  padding: 1.5rem 1rem 0;
}
.find-result-icon {
  width: 52px; height: 52px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto .875rem;
}
.find-result-icon--success {
  background: rgba(5,150,105,.1);
  color: #059669;
}
.find-result-label {
  font-size: .75rem;
  color: var(--c-dim);
  margin: 0 0 .375rem;
}
.find-result-value {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--c-text);
  font-family: var(--f-mono);
  letter-spacing: .06em;
  margin: 0 0 .25rem;
}
.find-result-desc {
  font-size: .875rem;
  color: var(--c-sub);
  margin: 0;
}

/* ── step 2 배지 ── */
.find-step-badge {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: rgba(5,150,105,.07);
  border: 1px solid rgba(5,150,105,.18);
  color: #059669;
  border-radius: var(--r-sm);
  padding: .5rem .875rem;
  font-size: .8rem;
  font-weight: 600;
  margin-bottom: 1.125rem;
}
.find-step-badge svg { flex-shrink: 0; }

/* ── form-select ── */
.input-wrap--select .form-input.form-select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 2.5rem;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .875rem center;
}


/* ── form-label-hint ── */
.form-label-hint {
  font-size: .625rem;
  font-weight: 400;
  color: var(--c-dim);
  margin-left: .375rem;
}