/* public/css/login.css - login page only */

/* 로그인 페이지는 독립 스크롤 문서로 취급 — 전역 no-scroll(common.css html,body overflow:hidden)을 덮는다.
   (login.css는 login.html에서만 로드되므로 다른 페이지에 영향 없음.) */
html {
  overflow-y: auto;
}

body {
  min-height: 100vh;
  min-height: 100svh;
  /* 페이지(body)를 유일 세로 스크롤 소유자로 → 두 탭 모두 키보드 화살표/마우스 휠 스크롤이 자연 작동. */
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
}

.login-shell {
  position: relative;
  box-sizing: border-box;
  min-height: 100vh;
  min-height: 100svh;
  /* login.html 에는 #appRoot 가 없다 — 앱셸의 인셋 1지점 역할을 여기가 대신한다.
     배경 장식(::before/::after)은 position:fixed 라 그대로 가장자리까지 번진다. */
  padding: var(--safe-t) var(--safe-r) var(--safe-b) var(--safe-l);
  display: grid;
  grid-template-columns: minmax(420px, 1.08fr) minmax(380px, 0.92fr);
  background: var(--color-bg-app);
  color: var(--color-text);
  /* overflow:hidden 제거 — 콘텐츠가 길면 shell이 늘어나 body가 스크롤한다(장식은 fixed로 분리). */
}

.login-shell::before,
.login-shell::after {
  content: "";
  position: fixed;   /* 배경 장식은 뷰포트 고정 — 스크롤 영역/스크롤 소유자에 영향 없음. */
  pointer-events: none;
  border-radius: 999px;
  filter: blur(8px);
  z-index: 0;
}

.login-shell::before {
  width: 36vw;
  height: 36vw;
  min-width: 320px;
  min-height: 320px;
  top: -12vw;
  left: -10vw;
  background: radial-gradient(circle, rgba(10, 143, 207, 0.24) 0%, rgba(10, 143, 207, 0) 70%);
}

.login-shell::after {
  width: 30vw;
  height: 30vw;
  min-width: 260px;
  min-height: 260px;
  right: -8vw;
  bottom: -12vw;
  background: radial-gradient(circle, rgba(255, 201, 25, 0.12) 0%, rgba(255, 201, 25, 0) 70%);
}

.login-brand-panel,
.login-form-panel {
  position: relative;
  z-index: 1;
}

.login-brand-panel {
  display: flex;
  flex-direction: column;
  padding: 38px 44px;
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(10, 143, 207, 0.2), transparent 56%),
    radial-gradient(90% 72% at 100% 100%, rgba(255, 201, 25, 0.08), transparent 60%),
    linear-gradient(160deg, rgba(13, 18, 24, 0.98) 0%, rgba(10, 12, 18, 0.98) 100%);
  border-right: 1px solid var(--color-border);
  overflow: hidden;
}

.login-brand-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  background-position: -1px -1px;
  mask-image: radial-gradient(100% 100% at 30% 40%, #000 32%, transparent 76%);
  pointer-events: none;
}

/* 라이트 테마: 브랜드 패널을 밝은 톤으로(다크 히어로 배경/그리드 하드코딩 대응). */
:root[data-theme="light"] .login-brand-panel {
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(0, 102, 204, 0.10), transparent 56%),
    radial-gradient(90% 72% at 100% 100%, rgba(255, 201, 25, 0.06), transparent 60%),
    linear-gradient(160deg, #ffffff 0%, #f0f2f5 100%);
}

:root[data-theme="light"] .login-brand-panel::before {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.045) 1px, transparent 1px);
}

.login-brand-panel > * {
  position: relative;
}

.login-brand-panel__top,
.login-brand-lockup,
.login-brand-panel__footer,
.login-card__head,
.login-mode-tabs,
.login-field__control,
.login-inline-row,
.login-check,
.login-sso-btn,
.login-foot-row,
.login-divider,
.login-password-meter {
  display: flex;
  align-items: center;
}

.login-brand-panel__top {
  gap: 12px;
}

.login-brand-lockup {
  gap: 12px;
}

.login-brand-lockup__logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
}

.login-brand-lockup__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.login-brand-lockup__text strong {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
}

.login-brand-lockup__text span,
.login-build,
.login-brand-panel__footer,
.login-metric-card__label,
.login-metric-card__meta,
.login-card__eyebrow,
.login-card__subtitle,
.login-field__label,
.login-password-hint,
.login-foot-row,
.login-divider,
.login-msg {
  color: var(--color-text-dim);
}

.login-build {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-brand-panel__hero {
  margin-top: auto;
  padding-top: 64px;
  max-width: 460px;
}

.login-hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--color-info-border);
  background: var(--color-info-soft);
  color: var(--color-info-text);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.login-hero-title {
  margin: 18px 0 12px;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.login-hero-copy {
  margin: 0;
  max-width: 440px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--color-text-muted);
}

.login-metric-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 500px;
}

.login-metric-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-surface-elevated);
  backdrop-filter: blur(10px);
}

.login-metric-card__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.login-metric-card__value {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.login-metric-card__meta {
  font-size: 11px;
}

.login-brand-panel__footer {
  gap: 10px;
  margin-top: auto;
  padding-top: 32px;
  font-size: 11px;
}

.login-status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--color-success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.22);
}

.login-brand-panel__footer-meta {
  margin-left: auto;
  font-family: var(--font-mono);
}

.login-form-panel {
  display: flex;
  align-items: safe center;   /* 카드가 세로로 넘치면 위부터 보이도록(중앙 유지 + 안전) */
  justify-content: center;
  padding: 36px;
  min-height: 0;
  /* 자체 스크롤 없음 — 스크롤은 page(body)가 소유(키보드/휠 자연 작동). */
}

.login-card {
  width: min(100%, 460px);
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(30, 33, 40, 0.98), rgba(21, 23, 30, 0.98));
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
  transform: translateY(18px) scale(0.985);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.5s ease, box-shadow 0.3s ease;
}

.login-shell.is-ready .login-card,
.login-shell.is-ready .login-brand-panel__hero,
.login-shell.is-ready .login-metric-grid,
.login-shell.is-ready .login-brand-panel__footer {
  opacity: 1;
  transform: none;
}

.login-brand-panel__hero,
.login-metric-grid,
.login-brand-panel__footer {
  opacity: 0;
  transform: translateY(18px);
  transition: transform 0.7s ease, opacity 0.55s ease;
}

.login-metric-grid {
  transition-delay: 0.08s;
}

.login-brand-panel__footer {
  transition-delay: 0.16s;
}

.login-card__head {
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.login-card__copy {
  display: none;
  flex-direction: column;
  gap: 6px;
}

.login-shell.sign-in .login-card__copy--signin,
.login-shell.sign-up .login-card__copy--signup {
  display: flex;
}

.login-card__eyebrow,
.login-field__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 선택 입력 항목 표기(회사/부서/연락처). */
.login-field__optional {
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  opacity: 0.6;
}

.login-card__eyebrow {
  margin: 0;
}

.login-card__title {
  margin: 0;
  font-size: 28px;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.login-card__subtitle {
  margin: 0;
  font-size: 13px;
}

.login-mode-tabs {
  flex: 0 0 auto;
  gap: 2px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
}

.login-mode-tab {
  appearance: none;
  border: 0;
  padding: 8px 14px;
  border-radius: 999px;
  background: transparent;
  color: var(--color-text-muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.login-shell.sign-in #tab_signin,
.login-shell.sign-up #tab_signup {
  background: linear-gradient(180deg, var(--color-accent-hover), var(--color-accent));
  color: #fff;
}

.login-card__body {
  position: relative;
  margin-top: 20px;
  /* 고정 높이 제거 — 활성 패널 내용에 따라 카드가 유연하게 늘어난다(가입 폼 필드 증가 대응). */
}

.login-panel {
  /* 비활성 패널은 절대배치로 겹쳐 두고(공간 미차지), 활성 패널만 flow에 참여시켜 높이를 결정한다. */
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.login-shell.sign-in .login-panel--signin,
.login-shell.sign-up .login-panel--signup {
  position: relative;
  inset: auto;
  opacity: 1;
  pointer-events: auto;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.login-field__control {
  position: relative;
}

.login-field__icon {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  min-width: 22px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-dim);
  text-align: center;
  pointer-events: none;
}

.login-input.ui-input {
  width: 100%;
  min-height: 46px;
  padding: 0 14px 0 44px;
  border-radius: 12px;
  border: 1px solid var(--color-input-border);
  background: var(--color-input-bg);
  color: var(--color-input-text);
  font-size: 14px;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}

.login-input.ui-input:hover {
  background: var(--color-input-bg-hover);
}

.login-input.ui-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.login-input--with-action.ui-input {
  padding-right: 56px;
}

.login-field__action {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  min-width: 40px;
  height: 30px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--color-text-muted);
  font: inherit;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
}

.login-field__action:hover {
  background: var(--color-hover);
  color: var(--color-text);
}

.login-inline-row {
  justify-content: space-between;
  gap: 10px;
}

.login-check {
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
  cursor: pointer;
}

.login-check input {
  appearance: none;
  width: 16px;
  height: 16px;
  margin: 0;
  border-radius: 4px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-elevated);
}

.login-check input:checked {
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.9);
}

.login-inline-link {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--color-accent-hover);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.login-inline-link:hover,
.pointer:hover {
  text-decoration: underline;
}

.login-submit-btn {
  width: 100%;
  min-height: 48px;
  margin-top: 2px;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(10, 143, 207, 0.24);
}

.login-submit-btn[data-busy='true'] {
  opacity: 0.8;
}

.login-msg {
  min-height: 18px;
  margin: 0;
  font-size: var(--font-size-sm);
}

.login-divider {
  gap: 12px;
  justify-content: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.login-divider::before,
.login-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-divider);
}

.login-sso-btn {
  gap: 10px;
  justify-content: flex-start;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-elevated);
  color: var(--color-text);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.login-sso-btn:hover {
  background: var(--color-hover);
}

.login-sso-btn__icon,
.login-sso-btn__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.login-sso-btn__icon {
  width: 28px;
  height: 28px;
  background: var(--color-accent-soft);
  color: var(--color-info-text);
}

.login-sso-btn__tag {
  margin-left: auto;
  padding: 3px 8px;
  border-radius: 7px;
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.login-foot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 2px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--color-divider);
  font-size: 12px;
}

.pointer {
  cursor: pointer;
  color: var(--color-text);
}

.pointer:hover {
  color: var(--color-accent-hover);
}

.login-pending-note {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 201, 25, 0.24);
  border-radius: 14px;
  background: rgba(255, 201, 25, 0.08);
  color: #ffd86b;
  font-size: 12px;
  line-height: 1.55;
}

.login-pending-note strong {
  color: #ffe9a8;
}

.login-password-meter {
  gap: 4px;
  margin-top: 2px;
}

.login-password-meter span {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--color-surface-elevated);
  transition: background 0.2s ease;
}

.login-password-meter span.is-on-1 {
  background: var(--color-danger);
}

.login-password-meter span.is-on-2 {
  background: var(--color-warning);
}

.login-password-meter span.is-on-3 {
  background: var(--color-accent);
}

.login-password-meter span.is-on-4 {
  background: var(--color-success);
}

.login-password-hint {
  font-size: 11px;
}

.login-shell.is-login-success .login-card {
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
}

.login-shell.is-login-success .login-brand-panel {
  filter: saturate(1.08) brightness(1.04);
}

@media only screen and (max-width: 1100px) {
  .login-shell {
    grid-template-columns: 1fr;
  }

  .login-brand-panel {
    min-height: 42vh;
    border-right: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .login-brand-panel__hero {
    margin-top: 34px;
    padding-top: 0;
  }

  .login-metric-grid {
    max-width: none;
  }
}

@media only screen and (max-width: 720px) {
  .login-shell {
    min-height: 100dvh;
  }

  .login-brand-panel,
  .login-form-panel {
    padding: 24px 18px;
  }

  .login-brand-panel {
    min-height: auto;
  }

  .login-card {
    width: 100%;
    padding: 22px 18px;
    border-radius: 22px;
  }

  .login-card__head,
  .login-inline-row,
  .login-foot-row {
    flex-direction: column;
    align-items: stretch;
  }

  .login-mode-tabs {
    width: 100%;
  }

  .login-mode-tab {
    flex: 1 1 0;
  }

  .login-metric-grid {
    grid-template-columns: 1fr;
  }

  .login-brand-panel__footer {
    flex-wrap: wrap;
  }

  .login-brand-panel__footer-meta {
    margin-left: 0;
  }
}

@media only screen and (max-width: 425px) {
  .form {
    padding: 18px;
    border-radius: 18px;
  }
}

/* ===== login success leave animation ===== */

.container.is-login-success .form.sign-in {
  transform: translateX(120%) scale(0.92);
  opacity: 0;
  transition:
    transform .65s ease,
    opacity .45s ease;
  pointer-events: none;
}

.container.is-login-success .img.sign-in img {
  transform: translateX(-120%) scale(0.92);
  opacity: 0;
  transition:
    transform .65s ease,
    opacity .45s ease;
}

/* keep the opposite side subdued during leave */
.container.is-login-success .form.sign-up {
  transform: scale(0.82);
  opacity: 0;
}

.container.is-login-success .img.sign-up img {
  transform: translateX(60%) scale(0.92);
  opacity: 0;
}

/* move background blob opposite to initial sign-in entrance */
.container.sign-in.is-login-success::before {
  transform: translate(100%, 0);
  right: 50%;
  transition: 1s ease-in-out;
}
/* 로그인 화면 테마 토글 버튼 — 우상단 고정 */
.login-theme-toggle {
  position: absolute;
  /* absolute 자식은 containing block 의 padding box 기준이라 .login-shell 의
     safe-area padding 이 이 버튼을 밀어주지 않는다 — 직접 더한다. */
  top: calc(16px + var(--safe-t));
  right: calc(18px + var(--safe-r));
  z-index: 20;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-elevated);
  color: var(--color-text);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.login-theme-toggle:hover {
  background: var(--color-hover);
}

/* 라이트 테마 보정: 폼 카드 배경(다크 하드코딩)·가입 안내 노트 텍스트 대비 */
:root[data-theme="light"] .login-card {
  background: linear-gradient(180deg, var(--color-surface-panel), var(--color-surface-3));
}

:root[data-theme="light"] .login-pending-note {
  color: #8a6a12;
}

:root[data-theme="light"] .login-pending-note strong {
  color: #6f5410;
}