.sign-in-page {
  height: 100vh;
  overflow-x: hidden;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
  padding: 0 var(--spacing-section-gap);
  padding-bottom: var(--spacing-page-bottom);
  background: var(--color-bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

body:has(.sign-in-page) {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
  background: var(--color-bg-primary);
}

body:has(.sign-in-page) main {
  padding-bottom: 0;
}

/* 콘텐츠가 적은 페이지 (verify, magic link 등) — 코드 필드가 화면 중앙에 오도록 */
.sign-in-page--compact {
  padding-top: 15vh;
  justify-content: flex-start;
}

.sign-in-page form,
.sign-in-page .splash-content {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

/* ==========================================================================
   Phase 1: Illustration Logo (centered, full screen overlay)
   ========================================================================== */

.splash-logo {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  z-index: 100;
  opacity: 1;
  transition: opacity 0.7s ease;
}

.splash-logo__img {
  width: 80px;
  height: auto;
}

.splash-logo--fade-out {
  opacity: 0;
}

/* ==========================================================================
   Phase 2: Text Logo (centered, full screen → moves up)
   ========================================================================== */

.splash-text-logo {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  z-index: 99;
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.splash-text-logo__img {
  height: 20px;
  width: auto;
}

.splash-text--visible {
  opacity: 1;
}

.splash-text--move-up {
  transform: translateY(-38vh);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease 0.2s, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Phase 3: Form (fades in below text logo position)
   ========================================================================== */

.splash-form {
  width: 100%;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
}

.splash-form.splash--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* For non-splash pages (sign-up, magic links, etc.) */
.splash-content {
  width: 100%;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.splash-content.splash--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Auth Header
   ========================================================================== */

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-10);
}

.auth-header__logo {
  height: 20px;
  width: auto;
  display: inline-block;
}

.auth-header__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.auth-header__title-sm {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

.auth-header__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  margin-top: var(--spacing-2);
}

/* Email badge */
.auth-email-badge {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-5);
}

/* Info notice (non-error) */
.auth-form__info {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 4px;
}

/* ==========================================================================
   Auth Form
   ========================================================================== */

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.auth-form__alert {
  color: var(--color-danger-text);
  font-size: var(--font-size-sm);
}

.auth-form__input {
  width: 100%;
  padding: 14px 16px;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  transition: border-color 0.15s ease;
}

.auth-form__input::placeholder {
  color: var(--color-text-muted);
}

.auth-form__input:focus {
  outline: none;
  border-color: var(--color-fill-dark);
}

/* Password field wrapper */
.auth-form__password-wrapper {
  position: relative;
}

.auth-form__password-wrapper .auth-form__input,
.auth-form__password-wrapper .form-field__input {
  padding-right: 56px;
}

.auth-form__password-toggle {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  padding: 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
}

.auth-form__password-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: var(--letter-spacing-tight);
  margin-top: -4px;
  padding-left: 4px;
}

.auth-form__submit-wrapper {
  padding-top: var(--spacing-2);
}

.auth-form__submit {
  width: 100%;
  padding: 14px;
  background-color: var(--color-fill-dark);
  color: var(--color-text-inverse);
  font-size: var(--font-size-md);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
}

.auth-form__submit:active {
  opacity: var(--opacity-pressed);
}

/* Auth Notice */
.auth-form__notice {
  background-color: var(--color-success-light);
  color: var(--color-success);
  font-size: var(--font-size-sm);
  padding: var(--spacing-3);
  border-radius: var(--radius-base);
  margin-bottom: var(--spacing-2);
}

/* Code Input */
.auth-form__input--code {
  font-size: var(--font-size-2xl, 20px);
  font-weight: 600;
  letter-spacing: 4px;
  text-align: center;
  text-transform: uppercase;
}

/* ==========================================================================
   Auth Footer
   ========================================================================== */

.auth-footer {
  margin-top: var(--spacing-6);
  text-align: center;
}

.auth-footer + .auth-footer {
  margin-top: 8px;
}

.auth-footer__text {
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.auth-footer__link {
  color: var(--color-text-primary);
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-left: 4px;
}

/* Primary footer link — bigger */
.auth-footer__link--primary {
  font-size: var(--font-size-md);
  font-weight: 600;
}

/* Forgot password — subtle */
.auth-footer__link--secondary {
  font-weight: 400;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Sign in with email code */
.auth-footer__link--tertiary {
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}