/* Dots background (аналог 21st.dev bg-pattern / variant dots, size 24px, mask fade-center) */

@keyframes auth-login-bg-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes auth-login-rise {
  from {
    opacity: 0;
    transform: translate3d(0, 18px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes auth-login-card {
  from {
    opacity: 0;
    transform: translate3d(0, 22px, 0) scale(0.988);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

.auth-page {
  --auth-bg-dot-size: 24px;
  --auth-bg-dot-fill: rgba(37, 37, 37, 0.14);
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  background: #f2f2f2;
  padding-top: calc(env(safe-area-inset-top, 0px) + 3.5rem);
}

.auth-page::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--auth-bg-dot-fill) 1px, transparent 1px);
  background-size: var(--auth-bg-dot-size) var(--auth-bg-dot-size);
  background-position: 0 0;
  -webkit-mask-image: radial-gradient(
    ellipse 72% 58% at 50% 44%,
    transparent 0%,
    #000 72%
  );
  mask-image: radial-gradient(
    ellipse 72% 58% at 50% 44%,
    transparent 0%,
    #000 72%
  );
  animation: auth-login-bg-in 0.85s ease-out both;
}


.auth-page-toolbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: calc(env(safe-area-inset-top, 0px) + 0.75rem) max(1rem, env(safe-area-inset-right, 0px)) 0.75rem max(1rem, env(safe-area-inset-left, 0px));
  pointer-events: none;
  animation: auth-login-rise 0.48s cubic-bezier(0.22, 1, 0.36, 1) 0.04s both;
}

.auth-page-toolbar > * {
  pointer-events: auto;
}

.auth-page-toolbar .logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

[data-theme="dark"] .auth-page {
  --auth-bg-dot-fill: rgba(240, 240, 236, 0.07);
  background: var(--bg-primary);
}

.auth-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

/* Вертикальная карточка ~ 3:4 (портрет) */
.auth-card.ui-card {
  width: min(88vw, 300px);
  height: fit-content;
  background: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-cardsmedium);
  padding: clamp(1.5rem, 4vw, 2.25rem) clamp(1.25rem, 3vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  box-sizing: border-box;
}

.auth-page .auth-card.ui-card {
  animation: auth-login-card 0.58s cubic-bezier(0.22, 1, 0.36, 1) 0.1s both;
}

.auth-card.auth-card--preview.ui-card {
  width: fit-content;
  height: fit-content;
  margin-top: 0;
  margin-bottom: 0;
  padding: 40px;
  gap: 40px;
}

.auth-card.ui-card:hover {
  transform: none;
}

[data-theme="dark"] .auth-card.ui-card {
  background: rgba(22, 22, 30, 0.82);
}

/* Страница входа: единственный видимый H1 только для скринридеров (.auth-page main) */
.auth-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.auth-card-intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  gap: var(--spacing-8);
}

.auth-card.auth-card--preview .auth-card-intro {
  gap: var(--spacing-12);
}

.auth-card .auth-title {
  margin: 0;
  max-width: none;
  text-align: center;
}

.auth-title-art {
  width: 60px;
  height: 60px;
  display: block;
  object-fit: contain;
  margin: 0 auto;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-20);
  margin-top: var(--spacing-2);
  width: 100%;
  height: fit-content;
  flex: 0 0 auto;
  justify-content: flex-start;
}

/* Поле пароля + глаз */
.auth-password-row {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
}

.auth-password-row .ds-input,
.auth-password-row .auth-password-input {
  width: 100%;
  padding-right: 2.65rem;
  height: 42px;
  border-radius: var(--radius-lg);
}

.auth-password-toggle {
  position: absolute;
  right: 0.35rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  border-radius: 999px;
  padding: 0;
  flex-shrink: 0;
}

.auth-password-toggle:hover {
  color: var(--text-secondary);
}

.auth-password-toggle:focus-visible {
  outline: 2px solid var(--color-accent-blue);
  outline-offset: 0;
}

.auth-password-toggle svg {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  pointer-events: none;
}

.auth-password-toggle__icon--show {
  opacity: 1;
}

.auth-password-toggle__icon--hide {
  opacity: 0;
}

.auth-password-toggle[aria-pressed="true"] .auth-password-toggle__icon--show {
  opacity: 0;
}

.auth-password-toggle[aria-pressed="true"] .auth-password-toggle__icon--hide {
  opacity: 1;
}

/* Кнопка + лоадер */
.auth-submit {
  position: relative;
  margin-top: var(--spacing-2);
  width: 100%;
  min-height: var(--height-button);
}

.auth-submit__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--height-button);
  position: relative;
  width: 100%;
}

.auth-submit__spinner {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1.125rem;
  height: 1.125rem;
  margin: -0.5625rem 0 0 -0.5625rem;
  border: 2px solid color-mix(in srgb, var(--text-inverse) 25%, transparent);
  border-top-color: var(--text-inverse);
  border-radius: 50%;
  animation: auth-spin 0.7s linear infinite;
  opacity: 0;
  pointer-events: none;
}

.auth-submit.is-loading .auth-submit__label {
  opacity: 0;
}

.auth-submit.is-loading .auth-submit__spinner {
  opacity: 1;
}

.auth-submit.is-loading {
  pointer-events: none;
  opacity: 0.9;
}

@keyframes auth-spin {
  to {
    transform: rotate(360deg);
  }
}

/* Toast */
.auth-toast {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top, 0px));
  left: 50%;
  z-index: 10001;
  transform: translate(-50%, -8px);
  max-width: min(92vw, 420px);
  padding: var(--spacing-12) var(--spacing-16);
  border-radius: var(--radius-lg);
  font-family: var(--font-inter);
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  box-shadow: var(--shadow-subtle-2);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.auth-toast--error {
  border: 1px solid color-mix(in srgb, var(--color-error-red) 45%, transparent);
  background: color-mix(in srgb, var(--bg-secondary) 92%, var(--color-error-red));
  color: var(--color-error-red);
}

.auth-toast--warning {
  border: 1px solid color-mix(in srgb, var(--color-accent-yellow) 55%, transparent);
  background: color-mix(in srgb, var(--bg-secondary) 88%, var(--color-accent-yellow));
  color: var(--color-dark-charcoal);
}

[data-theme="dark"] .auth-toast--error {
  background: color-mix(in srgb, var(--bg-secondary) 88%, var(--color-error-red));
}

[data-theme="dark"] .auth-toast--warning {
  background: color-mix(in srgb, var(--bg-secondary) 82%, var(--color-accent-yellow));
  color: var(--text-primary);
}

.auth-toast--visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

/* Shake */
@keyframes auth-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(5px); }
}

.ds-input.auth-input--shake {
  animation: auth-shake 0.45s ease;
}

@media (prefers-reduced-motion: reduce) {
  .ds-input.auth-input--shake {
    animation: none;
  }

  .auth-toast {
    transition: none;
  }

  .auth-submit__spinner {
    animation: none;
  }

  .auth-page::before,
  .auth-page-toolbar,
  .auth-page .auth-card.ui-card {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 768px) {
  .auth-shell {
    padding-top: 1rem;
  }

  .auth-card.ui-card {
    width: min(92vw, 280px);
    padding: 1.375rem 1rem;
  }
}