:root { --gap: 1rem; }
body { background: #f7f7f9; }
.navbar-brand { font-weight: 700; }
.card { border-radius: .75rem; border: none; box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075); }

/* Ensure dropdowns appear on top of cards */
.navbar { z-index: 1050; }
.dropdown-menu { z-index: 1100; border: none; box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15); }

/* Active Nav States */
.nav-link.active { color: #fff !important; font-weight: 600; }