.auth-page {
  min-height: 100vh;
  position: relative;
}

.auth-topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
}

.auth-wordmark {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.auth-wordmark .logo-stack {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.1;
}

.auth-wordmark .logo-eyebrow {
  font-size: 0.58rem;
  letter-spacing: 2.2px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.auth-wordmark .logo-product {
  font-size: 1.15rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--primary);
  text-shadow: 0 0 20px var(--primary-glow);
  transition: color var(--transition-fast);
}

.auth-wordmark:hover .logo-product {
  color: var(--primary-hover);
}

.logo-radar {
  position: relative;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.logo-radar-glow {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.2);
  filter: blur(8px);
  animation: pulse 2s ease-in-out infinite;
}

.logo-radar svg {
  position: relative;
  animation: spin 8s linear infinite;
}

.auth-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.auth-main {
  position: relative;
  z-index: 1;
  min-height: calc(100vh - 88px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem 2rem;
}

.auth-shell {
  width: 100%;
  max-width: 460px;
}

.auth-card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 2rem;
}

.auth-card-head {
  margin-bottom: 1.25rem;
}

.auth-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  text-shadow: 0 0 14px var(--primary-glow);
}

.auth-subtitle {
  margin: 0.5rem 0 0;
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.3px;
}

.auth-description {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.auth-hint {
  margin: 0.5rem 0 0;
  color: var(--text-dim);
  font-size: 0.78rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth-form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  opacity: 0.85;
}

.auth-input {
  width: 100%;
  padding: 0.75rem 0.875rem;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  letter-spacing: 0.2px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

[data-theme="light"] .auth-input {
  background: rgba(255, 255, 255, 0.9);
}

.auth-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow), 0 0 20px var(--primary-glow);
}

.auth-input::placeholder {
  color: var(--text-dim);
}

.captcha-container {
  min-height: 88px;
}

#altcha-widget {
  margin-top: 0.5rem;
}

.btn-block {
  width: 100%;
}

.auth-links {
  margin-top: 1.25rem;
  text-align: center;
  font-size: 0.8rem;
}

.auth-links a {
  color: var(--primary);
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}

.auth-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.auth-icon.success {
  color: var(--success);
  background: var(--success-glow);
}

.auth-icon.error {
  color: var(--danger);
  background: var(--danger-glow);
}

.auth-list {
  margin: 0.75rem 0 1.25rem;
  padding-left: 1rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.auth-list li {
  margin-bottom: 0.45rem;
}

.password-requirements {
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}

.password-requirements p {
  margin: 0 0 0.45rem;
  font-size: 0.78rem;
}

.password-requirements ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--text-muted);
  font-size: 0.78rem;
}

.password-requirements li {
  margin: 0.3rem 0;
}

.password-requirements li.valid {
  color: var(--success);
}

.password-requirements li.valid::before {
  content: "\2713 ";
}

.auth-shell .alert {
  margin-bottom: 1rem;
  display: block;
}

.auth-shell .alert p {
  margin: 0;
}

.auth-shell .alert p + p {
  margin-top: 0.5rem;
}

@media (max-width: 640px) {
  .auth-topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .auth-controls {
    width: 100%;
  }

  .auth-card {
    padding: 1.4rem;
  }
}