html, body { font-family: 'Segoe UI', sans-serif; background: #f8f9fa; }
.navbar-vertical .nav-link:hover { background: rgba(255,255,255,0.1); border-radius: 6px; }
.nav-link.active { background: rgba(255,255,255,0.2) !important; border-radius: 6px; }
.card { border-radius: 12px; }