.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(circle at top right, #DBEAFE, transparent 40%),
    radial-gradient(circle at bottom left, #E0E7FF, transparent 40%),
    #F8FAFC;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  padding: 36px 28px;
  background: rgba(255, 255, 255, 0.92);
}

.auth-logo {
  text-align: center;
  margin-bottom: 28px;
}

.logo-icon {
  width: 52px;
  height: 52px;
  background: #FFFFFF;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 26px;
  margin-bottom: 14px;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
}

.auth-logo h1 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.auth-logo p {
  color: var(--text-sub);
  font-size: 0.875rem;
  margin-top: 4px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-form .btn-primary {
  width: 100%;
  padding: 12px;
  font-size: 0.9375rem;
  margin-top: 6px;
}

.auth-footer {
  text-align: center;
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--text-sub);
}

.auth-footer a { font-weight: 600; }

/* 密码强度 */
.password-strength { margin-top: 6px; }

.strength-bar {
  display: flex;
  gap: 3px;
}

.strength-bar span {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.3s;
}

.strength-bar.weak span:nth-child(1) { background: var(--error); }
.strength-bar.medium span:nth-child(1),
.strength-bar.medium span:nth-child(2) { background: var(--warning); }
.strength-bar.strong span:nth-child(1),
.strength-bar.strong span:nth-child(2),
.strength-bar.strong span:nth-child(3) { background: var(--success); }

.strength-text {
  font-size: 0.75rem;
  color: var(--text-sub);
  margin-top: 4px;
}

.pwd-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.pwd-actions button {
  font-size: 0.75rem;
  color: var(--primary);
  background: var(--primary-soft);
  padding: 3px 8px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pwd-actions button:hover { background: #DBEAFE; }

@media (max-width: 480px) {
  .auth-card { padding: 28px 20px; }
  .auth-logo h1 { font-size: 1.25rem; }
}