.page-auth {
  --auth-ink: #10233f;
  --auth-muted: #667895;
  --auth-line: rgba(69, 101, 154, 0.18);
  --auth-surface: rgba(255, 255, 255, 0.9);
  --auth-blue: #2f6df4;
  --auth-shadow: 0 24px 70px rgba(26, 61, 122, 0.16);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 16% 12%, rgba(69, 128, 255, 0.16), transparent 30%),
    radial-gradient(circle at 84% 18%, rgba(17, 180, 163, 0.12), transparent 28%),
    linear-gradient(180deg, #edf3ff 0%, #f8fbff 42%, #eef5ff 100%);
  color: var(--auth-ink);
  overflow-x: hidden;
}

.page-auth main {
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
}

.page-auth .footer {
  margin-top: auto;
  flex-shrink: 0;
}

.auth-shell {
  flex: 1;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h, 72px) + 22px) 0 32px;
}

.auth-wrap {
  width: min(464px, 100%);
  margin: 0 auto;
}

.auth-card {
  position: relative;
  overflow: hidden;
  background: var(--auth-surface);
  border: 1px solid rgba(151, 174, 215, 0.44);
  border-radius: 24px;
  box-shadow: var(--auth-shadow);
  padding: 24px;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  animation: auth-card-enter 0.42s cubic-bezier(0.2, 0.9, 0.22, 1) both;
}

.auth-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, #2f6df4, #19b6a8, #f59e0b);
}

.auth-head {
  text-align: center;
  margin: 2px 0 18px;
}

.auth-title {
  margin: 0;
  color: var(--auth-ink);
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1.08;
  letter-spacing: 0;
}

.auth-subtitle {
  margin: 8px auto 0;
  color: var(--auth-muted);
  font-size: 14px;
  line-height: 1.45;
}

.auth-subtitle a,
.auth-link {
  color: #1f5fd6;
  font-weight: 700;
  text-decoration: none;
}

.auth-subtitle a:hover,
.auth-link:hover {
  text-decoration: underline;
}

.auth-status,
.auth-global-errors {
  margin: 0 0 14px;
  border-radius: 16px;
  padding: 11px 13px;
  font-size: 13px;
  line-height: 1.4;
  animation: auth-soft-pop 0.26s ease both;
}

.auth-status {
  background: #effaf3;
  border: 1px solid #bae7c7;
  color: #186d3b;
}

.auth-global-errors {
  background: #fff4f5;
  border: 1px solid #ffd1d8;
  color: #a91f39;
}

.auth-global-errors ul {
  margin: 0;
  padding-left: 18px;
}

.auth-social-list {
  position: relative;
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.auth-social-grid {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.auth-social-icon {
  position: relative;
  width: 52px;
  height: 52px;
  border: 1px solid var(--auth-line);
  border-radius: 18px;
  background: #fff;
  color: var(--auth-ink);
  display: inline-grid;
  place-items: center;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(31, 78, 154, 0.08);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    background-color 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.auth-social-icon svg,
.auth-social-icon i {
  width: 22px;
  height: 22px;
  font-size: 22px;
}

.auth-social-icon:not(:disabled):hover,
.auth-social-icon:not(:disabled):focus-visible {
  transform: translateY(-2px);
  border-color: rgba(47, 109, 244, 0.38);
  box-shadow: 0 16px 32px rgba(31, 78, 154, 0.14);
  outline: none;
}

.auth-social-icon:active {
  transform: translateY(0) scale(0.98);
}

.auth-social-icon:disabled,
.auth-social-icon[aria-disabled="true"] {
  opacity: 0.48;
  cursor: not-allowed;
  box-shadow: none;
}

.auth-social-icon--telegram {
  background: #28a8e9;
  border-color: #28a8e9;
  color: #fff;
}

.auth-telegram-panel {
  display: grid;
  justify-items: center;
  gap: 8px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-4px);
  transition: max-height 0.24s ease, opacity 0.18s ease, transform 0.18s ease;
}

.auth-telegram-panel.is-open {
  max-height: 86px;
  opacity: 1;
  transform: translateY(0);
}

.auth-telegram {
  min-height: 42px;
  display: grid;
  place-items: center;
}

.auth-telegram iframe {
  max-width: min(100%, 240px);
}

.auth-divider {
  margin: 14px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #7a8daa;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--auth-line);
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-group {
  display: grid;
  gap: 6px;
  transition: transform 0.18s ease;
}

.auth-group:focus-within {
  transform: translateY(-1px);
}

.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.auth-label {
  color: #264064;
  font-size: 13px;
  font-weight: 800;
}

.auth-input {
  width: 100%;
  min-height: 48px;
  border: 1px solid rgba(91, 123, 176, 0.34);
  border-radius: 16px;
  background: #fff;
  color: var(--auth-ink);
  padding: 0 14px;
  font-size: 16px;
  line-height: 1.2;
  appearance: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.auth-input::placeholder {
  color: #93a7c5;
}

.auth-input:focus {
  outline: none;
  border-color: rgba(47, 109, 244, 0.72);
  box-shadow: 0 0 0 4px rgba(47, 109, 244, 0.14);
  background: #fbfdff;
}

.auth-error {
  margin: 0;
  color: #b4233e;
  font-size: 12px;
  font-weight: 600;
}

.auth-checkbox {
  display: inline-flex;
  align-items: flex-start;
  gap: 9px;
  cursor: pointer;
  color: #405a7c;
  font-size: 14px;
  line-height: 1.35;
  -webkit-tap-highlight-color: transparent;
}

.auth-checkbox input {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: 0 0 auto;
  accent-color: var(--auth-blue);
}

.auth-submit {
  position: relative;
  width: 100%;
  min-height: 50px;
  border: 0;
  border-radius: var(--radius-btn);
  background: var(--c-primary);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(47, 109, 244, 0.24);
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
  -webkit-tap-highlight-color: transparent;
}

.auth-submit:hover,
.auth-submit:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(47, 109, 244, 0.3);
  outline: none;
}

.auth-submit:active {
  transform: translateY(0) scale(0.99);
}

.auth-submit.is-loading {
  pointer-events: none;
  filter: saturate(0.9);
}

.auth-submit--ghost {
  background: #fff;
  border: 1px solid #d6e2f8;
  color: var(--c-primary);
  box-shadow: none;
}

.auth-submit--ghost:hover,
.auth-submit--ghost:focus-visible {
  background: #f5f8ff;
  box-shadow: none;
}

.auth-submit.is-loading::after {
  content: "";
  position: absolute;
  right: 16px;
  top: 50%;
  width: 18px;
  height: 18px;
  margin-top: -9px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-top-color: #fff;
  border-radius: 50%;
  animation: auth-spin 0.72s linear infinite;
}

.page-auth.is-auth-leaving .auth-card {
  animation: auth-card-leave 0.18s ease both;
}

@keyframes auth-card-enter {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes auth-card-leave {
  to {
    opacity: 0;
    transform: translateY(8px) scale(0.99);
  }
}

@keyframes auth-soft-pop {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@media (max-width: 760px) {
  .page-auth {
    background:
      radial-gradient(circle at 24% 4%, rgba(69, 128, 255, 0.18), transparent 34%),
      linear-gradient(180deg, #f4f8ff 0%, #edf4ff 100%);
  }

  .auth-shell {
    align-items: flex-start;
    padding: calc(var(--header-h, 64px) + 14px) 0 22px;
  }

  .auth-wrap {
    width: 100%;
  }

  .auth-card {
    padding: 18px;
    border-radius: 22px;
  }

  .auth-head {
    margin-bottom: 16px;
  }

  .auth-social-icon {
    width: 50px;
    height: 50px;
    border-radius: 17px;
  }

  .auth-input {
    min-height: 50px;
  }

  .auth-submit {
    min-height: 52px;
  }
}

@media (max-width: 420px) {
  .auth-shell .container {
    padding-inline: 12px;
  }

  .auth-card {
    padding: 16px;
  }

  .auth-title {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-card,
  .auth-status,
  .auth-global-errors,
  .auth-social-icon,
  .auth-group,
  .auth-submit,
  .auth-telegram-panel {
    animation: none !important;
    transition: none !important;
  }
}