.Select-Cuenta {
    margin: 0rem 0rem 0.5rem 0rem;
    width: 100%;
    box-sizing: border-box;
    padding: 17px 40px 17px 8px; /* <-- padding-right aumentado a 40px */
    border: 1px solid #d1d5db; /* gris claro */
    border-radius: 8px;
    font-size: 1rem;
    background-color: white;
    color: #374151; /* gris oscuro */
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.05);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 140 140' width='10' height='10' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolyline points='20,50 70,100 120,50' fill='none' stroke='%23667' stroke-width='15'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    max-height: 55px;
}

.Select-Cuenta:focus {
    outline: none;
    border-color: #31A52C;
    box-shadow: 0 0 5px rgba(49, 165, 44, 0.5);
}