/* Estilos gerais */
body {
    background-color: #f8f9fa;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

/* Cards */
.card {
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
    transition: all .2s ease-in-out;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,.1);
}

/* Botões */
.btn-primary {
    background-color: #0056b3;
    border-color: #0056b3;
}

.btn-primary:hover {
    background-color: #004494;
    border-color: #004494;
}

/* Footer */
footer {
    border-top: 1px solid #dee2e6;
}

/* Formulários */
.form-control:focus {
    border-color: #0056b3;
    box-shadow: 0 0 0 0.2rem rgba(0,86,179,.25);
}

/* Paginação */
.pagination .page-link {
    color: #0056b3;
}

.pagination .page-item.active .page-link {
    background-color: #0056b3;
    border-color: #0056b3;
}

/* Alertas */
.alert {
    border-radius: 0.25rem;
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    .card-columns {
        column-count: 1;
    }
}