.promo-code {
    --promo-code-color: var(--color-white);
    --promo-code-fields-gap: 4px;
    --promo-code-field-width: 60px;
    --promo-code-field-height: 80px;
    --promo-code-spacing-vertical: var(--spacing-sm);
    --promo-code-fields-spacing-horzontal: var(--spacing-sm);
    --promo-code-fields-spacing-vertical: 4px;
    --promo-code-toggle-gap: var(--spacing-xs);
    --promo-code-font-size: var(--font-size-sm);

    --promo-code-icon-size: 8px;
    --promo-code-icon-offset: 2px;
    --promo-code-icon-line-thickness: 2px;
    --promo-code-icon-transition: transform var(--transition-base), opacity var(--transition-base);

    margin-bottom: var(--promo-code-spacing-vertical);
    position: relative;

    &.promo-code--open .promo-code__toggle-icon::after {
        transform: translateX(-50%) rotate(90deg);
        opacity: 0;
    }
}

.promo-code__toggle {
    display: flex;
    align-items: center;
    gap: var(--promo-code-toggle-gap);
    background: none;
    border: none;
    color: var(--promo-code-color);
    cursor: pointer;
    padding: 0;
    font-size: var(--promo-code-font-size);
}

.promo-code__fields {
    display: flex;
    gap: var(--promo-code-fields-gap);
    padding-top: var(--promo-code-fields-spacing-horzontal);
    padding-left: var(--promo-code-fields-spacing-vertical);
    padding-right: var(--promo-code-fields-spacing-vertical);
    max-height: 0;
    overflow: hidden;
    transition: all 0.6s ease-in-out;

    .text-input {
        margin-bottom: var(--promo-code-fields-spacing-horzontal);

        @media (min-width: 1024px) {
            width: var(--promo-code-field-width);
        }
    }

    .text-input__field {
        text-align: center;
        text-transform: uppercase;
        padding-left: 0;
        padding-right: 0;
    }

    &.promo-code__fields--visible {
        max-height: var(--promo-code-field-height);
    }
}

.promo-code__toggle-icon {
    display: inline-block;
    width: var(--promo-code-icon-size);
    height: var(--promo-code-icon-size);
    position: relative;
    margin-top: var(--promo-code-icon-offset);

    &::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        width: 100%;
        height: var(--promo-code-icon-line-thickness);
        background: var(--promo-code-color);
        transform: translateY(-50%);
    }

    &::after {
        content: '';
        position: absolute;
        top: 0;
        left: 50%;
        width: var(--promo-code-icon-line-thickness);
        height: 100%;
        background: var(--promo-code-color);
        transform: translateX(-50%) rotate(0deg);
        opacity: 1;
        transition: var(--promo-code-icon-transition);
    }
}