/* ============================================================
 * iOS 26 — Auth pages (login, OTP verify, signup, SSO complete)
 * ============================================================ */

.auth-page {
  min-height: 100vh;
  background: var(--ios-bg-grouped-primary);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 48px var(--ios-inset-horizontal, 20px);
  -webkit-font-smoothing: antialiased;
}

@media (min-height: 720px) {
  .auth-page--center { align-items: center; }
}

.auth-container {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--ios-spacing-lg, 20px);
}

/* Header */
.auth-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ios-spacing-sm, 12px);
  padding-top: var(--ios-spacing-md, 16px);
}

.auth-logo {
  height: 38px;
  width: auto;
  display: block;
}

.auth-title {
  margin: 0;
  text-align: center;
  color: var(--ios-label-primary);
  font-weight: 700;
  letter-spacing: -0.022em;
}

.auth-subtitle {
  margin: 0;
  text-align: center;
  color: var(--ios-label-secondary);
  line-height: 1.45;
}

.auth-subtitle strong {
  color: var(--ios-label-primary);
  font-weight: 600;
}

/* Card */
.auth-card {
  background: var(--ios-bg-grouped-secondary);
  border-radius: var(--ios-radius-card, 18px);
  border: 0.5px solid var(--ios-separator-non-opaque, rgba(60,60,67,0.18));
  padding: var(--ios-spacing-xl, 24px);
  display: flex;
  flex-direction: column;
  gap: var(--ios-spacing-lg, 20px);
}

.auth-card--compact { padding: var(--ios-spacing-lg, 20px); }

.auth-card-section + .auth-card-section {
  padding-top: var(--ios-spacing-lg, 20px);
  border-top: 0.5px solid var(--ios-separator-non-opaque, rgba(60,60,67,0.18));
}

.auth-section-title {
  margin: 0 0 var(--ios-spacing-sm, 12px);
  color: var(--ios-label-primary);
  font-weight: 600;
}

.auth-section-hint {
  margin: 0 0 var(--ios-spacing-md, 16px);
  color: var(--ios-label-secondary);
}

/* Form */
.auth-form { display: flex; flex-direction: column; gap: var(--ios-spacing-md, 16px); }

.auth-form-field { display: flex; flex-direction: column; gap: 6px; }

.auth-form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ios-label-secondary);
  letter-spacing: -0.01em;
}

.auth-form-input {
  width: 100%;
  min-height: 44px;
  padding: 12px 14px;
  background: var(--ios-fill-quaternary, rgba(118,118,128,0.08));
  border: 0.5px solid var(--ios-separator-opaque, rgba(60,60,67,0.36));
  border-radius: 10px;
  font-size: 17px;
  color: var(--ios-label-primary);
  line-height: 1.3;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.auth-form-input::placeholder { color: var(--ios-label-tertiary); }

.auth-form-input:focus {
  outline: none;
  border-color: var(--ios-color-cyan, #00B4D6);
  background: var(--ios-bg-grouped-secondary);
  box-shadow: 0 0 0 3px rgba(0, 180, 214, 0.18);
}

.auth-form-suffix {
  display: flex;
  align-items: stretch;
  background: var(--ios-fill-quaternary, rgba(118,118,128,0.08));
  border: 0.5px solid var(--ios-separator-opaque, rgba(60,60,67,0.36));
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-form-suffix:focus-within {
  border-color: var(--ios-color-cyan, #00B4D6);
  box-shadow: 0 0 0 3px rgba(0, 180, 214, 0.18);
}

.auth-form-suffix .auth-form-input {
  border: none;
  background: transparent;
  border-radius: 0;
  flex: 1;
  min-width: 0;
}

.auth-form-suffix .auth-form-input:focus { box-shadow: none; }

.auth-form-suffix-text {
  display: flex;
  align-items: center;
  padding: 0 14px;
  background: var(--ios-fill-tertiary, rgba(118,118,128,0.12));
  border-left: 0.5px solid var(--ios-separator-opaque, rgba(60,60,67,0.36));
  color: var(--ios-label-secondary);
  font-size: 15px;
  white-space: nowrap;
  user-select: none;
}

.auth-form-help {
  margin: 0;
  font-size: 12px;
  color: var(--ios-label-tertiary);
}

/* OTP input — single field with split-character effect */
.auth-otp-input {
  width: 100%;
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 14px;
  text-indent: 14px;
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  padding: 18px 16px;
  min-height: 64px;
  background: var(--ios-fill-quaternary, rgba(118,118,128,0.08));
  border: 0.5px solid var(--ios-separator-opaque, rgba(60,60,67,0.36));
  border-radius: 12px;
  color: var(--ios-label-primary);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-otp-input::placeholder {
  color: var(--ios-label-quaternary, rgba(60,60,67,0.18));
}

.auth-otp-input:focus {
  outline: none;
  border-color: var(--ios-color-cyan, #00B4D6);
  box-shadow: 0 0 0 3px rgba(0, 180, 214, 0.18);
}

/* Error / alert */
.auth-form-error {
  margin: 0;
  padding: 12px 14px;
  background: rgba(255, 59, 48, 0.08);
  border: 0.5px solid rgba(255, 59, 48, 0.32);
  border-radius: 10px;
  color: var(--ios-color-red, #FF3B30);
  font-size: 13px;
  line-height: 1.45;
}

/* Actions */
.auth-actions {
  display: flex;
  flex-direction: column;
  gap: var(--ios-spacing-sm, 12px);
}

.auth-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 50px;
  padding: 14px 20px;
  border: none;
  border-radius: 14px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: opacity 0.15s ease, transform 0.1s ease;
  -webkit-appearance: none;
  appearance: none;
}

.auth-button:active { opacity: 0.85; transform: scale(0.99); }

.auth-button--filled {
  background: var(--ios-color-cyan, #00B4D6);
  color: #ffffff;
}

.auth-button--secondary {
  background: var(--ios-fill-tertiary, rgba(118,118,128,0.12));
  color: var(--ios-label-primary);
}

.auth-button--plain {
  background: transparent;
  color: var(--ios-color-cyan, #00B4D6);
  min-height: 44px;
}

.auth-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ios-color-cyan, #00B4D6);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 10px;
  transition: background 0.15s ease;
}

.auth-link:hover { background: var(--ios-fill-quaternary, rgba(118,118,128,0.08)); }

.auth-footer {
  text-align: center;
  color: var(--ios-label-tertiary);
  font-size: 13px;
  padding-top: var(--ios-spacing-sm, 12px);
}

.auth-footer strong { color: var(--ios-label-secondary); font-weight: 600; }

/* Reply auth poll banner */
.auth-poll-banner {
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-sm, 12px);
  padding: 14px 16px;
  background: var(--ios-material-thick-bg, rgba(255,255,255,0.72));
  -webkit-backdrop-filter: var(--ios-blur-thick, blur(30px) saturate(180%));
  backdrop-filter: var(--ios-blur-thick, blur(30px) saturate(180%));
  border: 0.5px solid var(--ios-separator-non-opaque, rgba(60,60,67,0.18));
  border-radius: 12px;
  color: var(--ios-label-secondary);
  font-size: 13px;
  line-height: 1.45;
}

.auth-poll-banner strong { color: var(--ios-label-primary); font-weight: 600; }

.auth-poll-dots { display: inline-flex; gap: 4px; flex-shrink: 0; }
.auth-poll-dots span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ios-color-cyan, #00B4D6);
  animation: auth-bounce 1.4s infinite ease-in-out both;
}
.auth-poll-dots span:nth-child(1) { animation-delay: -0.32s; }
.auth-poll-dots span:nth-child(2) { animation-delay: -0.16s; }
@keyframes auth-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* Reply address pill */
.auth-reply-address {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 13px;
  background: var(--ios-fill-quaternary, rgba(118,118,128,0.08));
  border: 0.5px solid var(--ios-separator-opaque, rgba(60,60,67,0.36));
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--ios-color-cyan, #00B4D6);
  word-break: break-all;
  line-height: 1.5;
  user-select: all;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-sm, 12px);
  color: var(--ios-label-tertiary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.auth-divider::before, .auth-divider::after {
  content: "";
  flex: 1;
  height: 0.5px;
  background: var(--ios-separator-non-opaque, rgba(60,60,67,0.18));
}

/* SSO success */
.auth-success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto;
  border-radius: 18px;
  background: rgba(0, 180, 214, 0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ios-color-cyan, #00B4D6);
}
.auth-success-icon svg { width: 32px; height: 32px; }

.auth-spinner {
  width: 28px;
  height: 28px;
  margin: 0 auto;
  color: var(--ios-color-cyan, #00B4D6);
  animation: auth-spin 0.9s linear infinite;
}
@keyframes auth-spin { to { transform: rotate(360deg); } }

.auth-checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ios-label-secondary);
  line-height: 1.5;
  cursor: pointer;
}
.auth-checkbox-row input[type="checkbox"] {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  accent-color: var(--ios-color-cyan, #00B4D6);
  flex-shrink: 0;
}
.auth-checkbox-row a {
  color: var(--ios-color-cyan, #00B4D6);
  text-decoration: none;
}
.auth-checkbox-row a:hover { text-decoration: underline; }


/* ============================================================
 * Verify (OTP) page — kmail 발신용 인증 가이드
 * ============================================================ */

/* 스크롤 가능한 풀스크린 (verify는 컨텐츠가 길어서 스크롤 필요) */
.auth-page--scroll {
  align-items: flex-start;
  overflow-y: auto;
  padding-top: var(--ios-spacing-2xl, 32px);
  padding-bottom: var(--ios-spacing-2xl, 32px);
}

/* Verify 카드 (헤더 + body 분리) */
.auth-verify-card { padding: 0; overflow: hidden; }
.auth-verify-card__header {
  background: rgba(0, 180, 214, 0.10);
  border-bottom: 0.5px solid var(--ios-separator-opaque, rgba(0,0,0,0.12));
  padding: var(--ios-spacing-md, 16px) var(--ios-spacing-lg, 20px);
}
.auth-verify-card__sent {
  color: var(--ios-color-cyan, #00B4D6);
  margin: 0;
  word-break: break-word;
}
.auth-verify-card__sent strong { font-weight: 600; }
.auth-verify-card__hint {
  color: var(--ios-color-cyan, #00B4D6);
  opacity: 0.75;
  margin: 4px 0 0;
}
.auth-verify-card__body {
  padding: var(--ios-spacing-lg, 20px);
  display: flex;
  flex-direction: column;
  gap: var(--ios-spacing-lg, 20px);
}

/* 인증 방법 섹션 */
.auth-method {
  border: 1px solid var(--ios-separator-opaque, rgba(0,0,0,0.12));
  border-radius: var(--ios-radius-md, 12px);
  padding: var(--ios-spacing-lg, 20px);
}
.auth-method--primary {
  border-color: rgba(0, 180, 214, 0.25);
  background: rgba(0, 180, 214, 0.04);
}
.auth-method__head {
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-sm, 8px);
  margin-bottom: var(--ios-spacing-md, 16px);
}
.auth-method__icon { font-size: 20px; }
.auth-method__title {
  margin: 0;
  color: var(--ios-label-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--ios-spacing-xs, 4px);
}
.auth-method__badge {
  font-size: 12px;
  font-weight: 500;
  color: var(--ios-color-cyan, #00B4D6);
  margin-left: 4px;
}
.auth-method__hint {
  color: var(--ios-label-secondary);
  margin: 0 0 var(--ios-spacing-sm, 8px);
}
.auth-method__hint strong { color: var(--ios-label-primary); font-weight: 600; }
.auth-method__fallback {
  color: var(--ios-label-secondary);
  margin: 0 0 var(--ios-spacing-sm, 8px);
}

/* 단계별 가이드 */
.auth-steps {
  display: flex;
  flex-direction: column;
  gap: var(--ios-spacing-lg, 20px);
  margin-bottom: var(--ios-spacing-md, 16px);
}
.auth-step {
  display: flex;
  gap: var(--ios-spacing-sm, 8px);
  align-items: flex-start;
}
.auth-step__num {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 9999px;
  background: var(--ios-color-cyan, #00B4D6);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.auth-step__body { flex: 1; min-width: 0; }
.auth-step__title {
  color: var(--ios-label-primary);
  margin: 0 0 6px;
  font-weight: 600;
}
.auth-step__note {
  color: var(--ios-label-tertiary);
  margin: 8px 0 0;
}
.auth-step__note strong { color: var(--ios-label-secondary); font-weight: 600; }

/* kmail 열기 버튼 */
.auth-kmail-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ios-color-cyan, #00B4D6);
  background: var(--ios-bg-grouped-secondary, #fff);
  border: 1px solid rgba(0, 180, 214, 0.30);
  border-radius: var(--ios-radius-sm, 8px);
  padding: 8px 12px;
  text-decoration: none;
  max-width: 100%;
  word-break: break-word;
  transition: background var(--ios-duration-fast, 150ms) ease;
}
.auth-kmail-link:hover { background: rgba(0, 180, 214, 0.08); }

/* kmail 메일쓰기 버튼 모형 */
.auth-kmail-compose-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #1B6B5A;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: default;
}
.auth-kmail-compose-btn svg { width: 14px; height: 14px; }

/* kmail 메일쓰기 UI 모형 */
.auth-kmail-mock {
  border: 1px solid #c8c8c8;
  border-radius: 4px;
  background: #fff;
  overflow: hidden;
  font-size: 12px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.auth-kmail-mock__toolbar {
  background: #f4f4f4;
  border-bottom: 1px solid #c8c8c8;
  padding: 8px 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.auth-kmail-mock__send {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #4a7c59;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 10px;
  border-radius: 3px;
  cursor: default;
}
.auth-kmail-mock__send svg { width: 12px; height: 12px; }
.auth-kmail-mock__btn {
  font-size: 11px;
  color: #888;
  background: #fff;
  border: 1px solid #c8c8c8;
  border-radius: 3px;
  padding: 6px 8px;
  cursor: default;
}
.auth-kmail-mock__table {
  width: 100%;
  border-collapse: collapse;
}
.auth-kmail-mock__table th {
  text-align: left;
  font-weight: 400;
  font-size: 12px;
  color: #555;
  background: #fafafa;
  border-right: 1px solid #e0e0e0;
  border-bottom: 1px solid #e0e0e0;
  padding: 8px 12px;
  width: 72px;
  white-space: nowrap;
  vertical-align: top;
}
.auth-kmail-mock__table td {
  padding: 8px 12px;
  border-bottom: 1px solid #e0e0e0;
}
.auth-kmail-mock__table tr:last-child td { border-bottom: none; }
.auth-kmail-mock__chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #e8f0fe;
  border: 1px solid #a8c0f0;
  border-radius: 3px;
  padding: 2px 8px;
  max-width: 100%;
}
.auth-kmail-mock__addr {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 11px;
  color: #1a47a3;
  word-break: break-all;
}
.auth-kmail-mock__chip-x {
  color: #888;
  font-size: 12px;
  cursor: default;
  flex-shrink: 0;
}
.auth-kmail-mock__placeholder {
  color: #bbb;
  font-style: italic;
}
.auth-kmail-mock__body {
  height: 40px;
  vertical-align: top;
}

/* 주소 복사 영역 */
.auth-reply-copy {
  margin-top: var(--ios-spacing-md, 16px);
  display: flex;
  flex-direction: column;
  gap: var(--ios-spacing-sm, 8px);
}
.auth-reply-copy__addr {
  font-family: "SF Mono", Menlo, monospace;
  font-size: 13px;
  background: var(--ios-bg-grouped-secondary, #fff);
  border: 1px solid rgba(0, 180, 214, 0.30);
  border-radius: var(--ios-radius-sm, 8px);
  padding: 10px 12px;
  color: var(--ios-color-cyan, #00B4D6);
  word-break: break-all;
  overflow-wrap: anywhere;
  white-space: normal;
  user-select: all;
  -webkit-user-select: all;
  line-height: 1.5;
}
.auth-reply-copy__btn {
  width: 100%;
  font-size: 14px;
  font-weight: 600;
  color: var(--ios-color-cyan, #00B4D6);
  background: rgba(0, 180, 214, 0.10);
  border: 1px solid rgba(0, 180, 214, 0.30);
  border-radius: var(--ios-radius-sm, 8px);
  padding: 8px 12px;
  cursor: pointer;
  transition: all var(--ios-duration-fast, 150ms) ease;
}
.auth-reply-copy__btn:hover {
  background: var(--ios-color-cyan, #00B4D6);
  color: #fff;
}

/* 답장 대기 인디케이터 */
.auth-poll-indicator {
  display: flex;
  align-items: center;
  gap: var(--ios-spacing-sm, 8px);
  margin-top: var(--ios-spacing-md, 16px);
  color: var(--ios-label-tertiary);
}
.auth-poll-dots { display: inline-flex; gap: 4px; }
.auth-poll-dots span {
  width: 8px;
  height: 8px;
  background: var(--ios-color-cyan, #00B4D6);
  border-radius: 9999px;
  animation: ios-poll-bounce 1.4s infinite ease-in-out;
}
.auth-poll-dots span:nth-child(2) { animation-delay: 0.15s; }
.auth-poll-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes ios-poll-bounce {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* 또는 구분선 */
.auth-divider {
  text-align: center;
  font-size: 12px;
  color: var(--ios-label-quaternary);
  font-weight: 500;
  position: relative;
  margin: 0;
}
.auth-divider span {
  background: var(--ios-bg-grouped-secondary, #fff);
  padding: 0 var(--ios-spacing-md, 16px);
  position: relative;
  z-index: 1;
}
.auth-divider::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 0.5px;
  background: var(--ios-separator-opaque, rgba(0,0,0,0.12));
  z-index: 0;
}

/* 에러 메시지 */
.auth-form-error {
  margin-bottom: var(--ios-spacing-sm, 8px);
  padding: 10px 12px;
  background: rgba(255, 56, 60, 0.08);
  border: 1px solid rgba(255, 56, 60, 0.25);
  border-radius: var(--ios-radius-sm, 8px);
  font-size: 12px;
  color: var(--ios-color-red, #ff383c);
}

.auth-back-link-area {
  text-align: center;
  padding-top: var(--ios-spacing-xs, 4px);
}
.auth-back-link {
  font-size: 12px;
  color: var(--ios-label-tertiary);
  text-decoration: none;
}
.auth-back-link:hover { color: var(--ios-label-primary); }