I have a code:
input:focus ~ .field {
border-bottom-color: red;
}
.form-control {
width: 100%;
outline: none;
}
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/tailwindcss/1.1.4/tailwind.min.css">
<div class="form-field mb-4">
<label for="" class="text-xs pl-1 text-gray-ccc">Ваше имя</label>
<div class="field has-icon-field flex items-center border-b tw-border-gray-500">
<input type="text" placeholder="Name user" class="form-control">
<div class="w-4 h-4">
<svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg">
<path d="M12.8033 9.69668C11.9864 8.87982 11.0141 8.27511 9.95329 7.90904C11.0895 7.12649 11.8359 5.81684 11.8359 4.33594C11.8359 1.94511 9.89083 0 7.5 0C5.10917 0 3.16406 1.94511 3.16406 4.33594C3.16406 5.81684 3.91052 7.12649 5.04674 7.90904C3.9859 8.27511 3.01359 8.87982 2.19671 9.69668C0.780147 11.1133 0 12.9967 0 15H1.17188C1.17188 11.5107 4.01065 8.67188 7.5 8.67188C10.9893 8.67188 13.8281 11.5107 13.8281 15H15C15 12.9967 14.2199 11.1133 12.8033 9.69668ZM7.5 7.5C5.75534 7.5 4.33594 6.08063 4.33594 4.33594C4.33594 2.59125 5.75534 1.17188 7.5 1.17188C9.24466 1.17188 10.6641 2.59125 10.6641 4.33594C10.6641 6.08063 9.24466 7.5 7.5 7.5Z" fill="#CCCCCC"/>
</svg>
</div>
</div>
</div>
How I can change border on input focus in parent element? Please help me resolve this issue. I use input with custom icon, and they have same border. I need change border on input focus.