/* Estilos gerais para a aplicação */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.card {
    border-radius: 10px;
    overflow: hidden;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card-header {
    border-bottom: none;
    padding: 1rem;
}

.btn {
    border-radius: 5px;
    padding: 0.5rem 1.5rem;
}

.form-control {
    border-radius: 5px;
    padding: 0.75rem 1rem;
}

.codigo-input {
    font-family: monospace;
    font-weight: bold;
}

/* Animações */
.fade-in {
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}