.auth-page {
  min-height: 100vh;
  padding: 28px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  color: #f4f9ff;
}

.auth-brand,
.auth-footer {
  display: flex;
  align-items: center;
  gap: 10px;
}

.auth-brand {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}

.auth-brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(82, 193, 255, .24);
  border-radius: 12px;
  background: linear-gradient(145deg, var(--navy-800), var(--action-blue-600));
  box-shadow: var(--shadow-sm);
}

.auth-center {
  display: grid;
  place-items: center;
}

.auth-stack {
  width: min(460px, 100%);
  display: grid;
  gap: 14px;
}

.auth-system-line {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #8fb2cf;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.auth-system-line span:last-child {
  height: 1px;
  flex: 1;
  background: rgba(143, 178, 207, .22);
}

.auth-card {
  padding: 30px;
  display: grid;
  gap: 22px;
  border: 1px solid rgba(151, 194, 232, .18);
  border-radius: var(--radius-lg);
  background: rgba(249, 252, 255, .98);
  color: var(--ink-950);
  box-shadow: var(--shadow-lg);
}

.auth-card-head {
  display: grid;
  gap: 7px;
}

.auth-card-head .kicker {
  color: var(--brand-cyan-700);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.auth-card h1 {
  margin: 0;
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
  letter-spacing: -.035em;
}

.auth-card-lead {
  margin: 0;
  color: var(--ink-600);
  font-size: var(--text-md);
}

.auth-form {
  display: grid;
  gap: 16px;
}

.auth-form .button {
  min-height: 48px;
  justify-content: center;
}

.auth-error {
  padding: 12px 14px;
  border: 1px solid #f4c6cd;
  border-radius: var(--radius-sm);
  background: var(--danger-100);
  color: var(--danger-700);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
}

.auth-footer {
  justify-content: center;
  color: #86a5c3;
  font-size: var(--text-sm);
}

.auth-footer strong {
  color: #d9ecff;
}

@media (max-width: 560px) {
  .auth-page {
    padding: 18px;
  }

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