.auth-shell--single {
  grid-template-columns: 1fr;
  min-height: 100vh;
}

.auth-form-panel--centered {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.register-success-card {
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.register-success-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 8px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 56px;
}

.auth-hero-inner {
  width: 100%;
  max-width: 440px;
}

.auth-hero-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.auth-hero-brand .brand-logo {
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 0;
  text-align: center;
}

.auth-hero-brand .brand-logo-mark {
  --brand-logo-size: 56px;
}

.auth-hero-brand .brand-logo-text {
  font-size: 1.75rem;
  letter-spacing: -0.03em;
}

.auth-hero-lead {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.82);
  max-width: 38ch;
}

.auth-features {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.auth-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}

.auth-features li:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.auth-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
  display: grid;
  place-items: center;
  font-size: 1rem;
  flex-shrink: 0;
  line-height: 1;
}

.auth-feature-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.auth-feature-copy strong {
  font-size: 0.92rem;
  font-weight: 800;
  color: #fff;
}

.auth-feature-copy span {
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.45;
}

.auth-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.auth-hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 80px;
}

.auth-hero-stat strong {
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

.auth-hero-stat span {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.62);
}

.auth-demo-hint {
  margin-top: 44px;
  padding: 16px 18px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.85rem;
  line-height: 1.7;
  opacity: 0.85;
}

.auth-demo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.auth-demo-chip {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}

.auth-demo-chip:hover:not(:disabled) {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-1px);
}

.auth-demo-chip:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-form .brand-logo {
  margin-bottom: 0;
}

.auth-form-head {
  text-align: center;
  margin-bottom: 18px;
}

.auth-form-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}

.auth-form-brand .brand-logo-auth-form {
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.auth-form-brand .brand-logo-text {
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.auth-typing-line {
  min-height: 1.65rem;
  margin: 0 0 10px;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.auth-typing-gradient {
  background: linear-gradient(120deg, #0d9488 0%, #0891b2 35%, #14b8a6 55%, #f97316 85%, #0d9488 100%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: authTypingGradient 5s ease-in-out infinite;
}

.auth-typing-cursor {
  display: inline-block;
  margin-left: 2px;
  font-weight: 400;
  color: var(--primary);
  animation: authTypingCursor 0.85s step-end infinite;
}

@keyframes authTypingGradient {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

@keyframes authTypingCursor {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.auth-form-head h2 {
  margin: 0 0 4px;
}

.auth-form-head .subtitle {
  margin: 0 0 0;
}

.auth-error {
  color: var(--danger);
  font-weight: 700;
  font-size: 0.9rem;
  margin: 0 0 10px;
  padding: 10px 12px;
  background: #fef2f2;
  border-radius: 10px;
  border: 1px solid #fecaca;
}

.auth-switch {
  text-align: center;
  margin-top: 16px;
  font-size: 0.9rem;
}

.auth-switch a {
  color: var(--primary);
  font-weight: 800;
}

.auth-social { margin-top: 14px; }

.auth-google-wrap {
  display: grid;
  place-items: center;
  margin-bottom: 12px;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 0.82rem;
  text-align: center;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-divider span {
  white-space: nowrap;
}

.auth-form .subtitle { font-size: 0.95rem; }

.auth-form-panel {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}

.auth-form .btn-primary {
  margin-top: 4px;
  width: 100%;
  padding: 12px;
  font-size: 0.98rem;
}

@media (max-height: 780px) {
  .auth-hero-brand {
    margin-bottom: 14px;
  }

  .auth-hero-brand .brand-logo-mark {
    --brand-logo-size: 48px;
  }

  .auth-hero-brand .brand-logo-text {
    font-size: 1.45rem;
  }

  .auth-hero-lead {
    font-size: 0.9rem;
  }

  .auth-features {
    margin-top: 12px;
    gap: 6px;
  }

  .auth-features li {
    padding: 8px 12px;
  }

  .auth-feature-icon {
    width: 32px;
    height: 32px;
  }

  .auth-hero-stats {
    margin-top: 12px;
    padding-top: 12px;
  }

  .auth-form-head {
    margin-bottom: 12px;
  }

  .auth-form-brand .brand-logo-mark {
    --brand-logo-size: 48px;
  }

  .auth-form-head h2 {
    font-size: 1.35rem;
  }

  .auth-switch {
    margin-top: 12px;
  }
}

@media (max-width: 1100px) {
  .auth-hero-inner {
    max-width: 400px;
  }
}

@media (max-width: 900px) {
  .auth-hero-lead {
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .auth-typing-gradient {
    animation: none;
    background-position: 0% center;
  }

  .auth-typing-cursor {
    display: none;
  }
}