/* Bootstrap placeholder - replace with official bootstrap.min.css for production */
body{font-family:Arial,Helvetica,sans-serif;padding-top:70px;background:#f6f8fa}
.navbar{background:#0d6efd;color:#fff;position:fixed;top:0;left:0;right:0;z-index:1030;padding:.5rem 1rem}
.navbar .nav-link{color:#fff;text-decoration:none;padding:.4rem .6rem}
.navbar .nav-link:hover{background:#fff;color:#000}
.card{background:#fff;padding:1rem;border-radius:8px;box-shadow:0 2px 6px rgba(0,0,0,0.06)}