/* bootstrap.min.css placeholder */
body { margin: 0; font-family: system-ui, sans-serif; }
.container { max-width: 1140px; margin: 0 auto; padding: 15px; }
.row { display: flex; flex-wrap: wrap; margin: -15px; }
.col-md-4, .col-md-6, .col-md-12 { padding: 15px; box-sizing: border-box; flex: 1; }
.text-center { text-align: center; }
.bg-light { background-color: #f8f9fa; }
.bg-primary { background-color: #0d6efd; color: white; }
.bg-dark { background-color: #212529; color: white; }
.btn { padding: 10px 20px; background-color: #0d6efd; color: white; text-decoration: none; border-radius: 4px; }
.btn-light { background-color: #f8f9fa; color: #212529; }