body { background: #f8f9fa; }
.table thead th { background: #1976d2; color: #fff; }
.table-hover tbody tr:hover { background: #e3f2fd; }
.btn-primary { background: #1976d2; border: none; }
.btn-primary:hover { background: #1565c0; }
.navbar { border-radius: 0 0 8px 8px; }
.login-box { max-width: 400px; margin: 80px auto; padding: 2rem; background: #fff; border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); }