body { padding: 20px; background-color: #f8f9fa; }
.card { margin-bottom: 20px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }
.feature-list { list-style: none; padding: 0; }
.feature-item { display: flex; align-items: center; margin-bottom: 5px; }
.feature-item input { margin-right: 10px; }
.loading { display: none; }
.list-group-item strong { margin-right: 10px; }
.password-masked { -webkit-text-security: disc; text-security: disc; }