body { background-color: #f7f9fb; font-family: 'Segoe UI', sans-serif; }
.navbar { background-color: #2c3e50 !important; }
.nav-link, .navbar-brand { color: #ecf0f1 !important; }
.card { border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.1); }