.auth-page {
  max-width: min(640px, 100%);
  width: min(640px, 100%);
  margin: clamp(28px, 8vh, 48px) auto clamp(32px, 10vh, 72px);
  padding: 0 clamp(18px, 6vw, 32px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(18px, 4vh, 28px);
}

.auth-card {
  width: 100%;
  background: color-mix(in srgb, var(--color-surface-1, rgba(21, 24, 42, 0.92)) 96%, rgba(255, 255, 255, 0.06));
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 28px 60px rgba(6, 10, 34, 0.32);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  padding: clamp(24px, 4vw, 36px);
  color: var(--color-text, #ffffff);
}

.auth-title {
  font-weight: 800;
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  margin-bottom: clamp(18px, 4vh, 26px);
  color: var(--color-heading, #ffffff);
}

.auth-card label {
  font-weight: 600;
  color: var(--color-heading, #ffffff);
  margin-bottom: 6px;
}

.auth-card .form-control {
  background: color-mix(in srgb, var(--color-surface-2, rgba(19, 22, 40, 0.92)) 94%, rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 18px;
  padding: 12px 16px;
  color: #fff;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.auth-card .form-control:focus {
  border-color: color-mix(in srgb, var(--brand-primary, #7151ff) 55%, rgba(255, 255, 255, 0.2));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-primary, #7151ff) 28%, transparent);
  background: color-mix(in srgb, var(--color-surface-2, rgba(19, 22, 40, 0.92)) 90%, rgba(255, 255, 255, 0.08));
}

.auth-card .form-text,
.auth-card .form-check-label,
.auth-card p {
  color: color-mix(in srgb, var(--color-text, #ffffff) 68%, rgba(255, 255, 255, 0.4));
}

.auth-card .btn-primary {
  border-radius: 999px;
  padding: 12px 20px;
  font-weight: 700;
  background:
    radial-gradient(75% 75% at 30% 20%, color-mix(in srgb, var(--brand-accent, #ab7bff) 18%, transparent), transparent),
    linear-gradient(130deg, color-mix(in srgb, var(--brand-primary, #7051ff) 95%, transparent) 0%, color-mix(in srgb, var(--brand-accent, #ab7bff) 78%, transparent) 100%);
  border: 0;
  box-shadow: 0 18px 42px rgba(112, 81, 255, 0.32);
  transition: transform 0.18s ease, filter 0.18s ease;
}

.auth-card .btn-primary:hover,
.auth-card .btn-primary:focus-visible {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.auth-card .separator-line {
  margin: clamp(20px, 4vh, 28px) 0;
  border-color: rgba(255, 255, 255, 0.08);
}

.auth-social {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: 18px;
  font-weight: 700;
  text-decoration: none;
  color: #ffffff;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.22s ease, filter 0.18s ease;
}

.auth-social-btn__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.16);
  font-size: 1.1rem;
}

.auth-social-btn__label {
  flex: 1;
  text-align: center;
}

.auth-social-btn--facebook {
  background: linear-gradient(135deg, #1877f2 0%, #3358f4 100%);
  box-shadow: 0 14px 32px rgba(24, 119, 242, 0.28);
}

.auth-social-btn--google {
  background: linear-gradient(135deg, #ea4335 0%, #fbbc05 50%, #34a853 100%);
  box-shadow: 0 14px 32px rgba(52, 168, 83, 0.24);
}

.auth-social-btn:hover,
.auth-social-btn:focus-visible {
  transform: translateY(-1px);
  filter: brightness(1.05);
}

.auth-footer {
  text-align: center;
  font-size: 0.95rem;
  color: color-mix(in srgb, var(--color-text, #ffffff) 70%, rgba(255, 255, 255, 0.38));
}

.auth-footer a {
  color: var(--brand-primary, #7051ff);
  font-weight: 600;
  text-decoration: none;
}

.auth-footer a:hover,
.auth-footer a:focus-visible {
  text-decoration: underline;
}

@media (min-width: 1200px) {
  body.page-auth, body.page-auth-login, body.page-auth-signup #content.content-rail-layout {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
}