.tnmk-product-specifications--navigation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
    margin: 0;
}

.tnmk-product-specifications--navigation .tnmk-product-specifications__item {
    display: grid;
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: start;
    gap: 12px;
    padding: 8px 0;
}

.tnmk-product-specifications--navigation dt {
    padding-top: 9px;
}

.tnmk-product-specifications--navigation dd {
    min-width: 0;
    margin: 0;
    padding-top: 9px;
}

.tnmk-product-specifications--navigation .has-variants dd {
    padding-top: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 6px;
}

.tnmk-product-specifications--navigation .has-variants {
    grid-column: 1 / -1;
}

.specification-variants__preview {
    display: contents;
}

/* Один список сохраняет порядок и не дублирует ссылки при раскрытии без JavaScript. */
.specification-variants__more:not([open]) ~ .specification-variants__preview > .specification-variants__outside-preview {
    display: none;
}

.specification-variants__preview > a,
.specification-variants__current {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    max-width: 100%;
    padding: 6px 10px;
    border: 1px solid #d8dbe1;
    border-radius: 5px;
    background: #fff;
    color: #21283e;
    font-size: 13px;
    line-height: 1.3;
    overflow-wrap: anywhere;
    text-decoration: none;
}

.specification-variants__current {
    border-color: #d00000;
    background: #fff2f2;
    font-weight: 600;
}

.specification-variants__preview > a:hover {
    border-color: #d00000;
    color: #d00000;
}

.specification-variants__preview > a.specification-variants__ral,
.specification-variants__current.specification-variants__ral {
    background: var(--variant-ral-background);
    color: var(--variant-ral-foreground);
}

/* Двойная обводка сохраняет выбранное значение заметным на светлом и тёмном RAL. */
.specification-variants__current.specification-variants__ral {
    box-shadow: inset 0 0 0 1px #fff, 0 0 0 1px #d00000;
}

.specification-variants__current.specification-variants__ral .units {
    color: inherit;
}

.specification-variants__more {
    display: inline-block;
    margin: 0;
    order: 1;
}

.specification-variants__more summary {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 4px 0;
    color: #a80000;
    font-size: 13px;
    cursor: pointer;
    list-style: none;
}

.tnmk-product-specifications--navigation .technical-characteristic__tolerance {
    flex-basis: 100%;
    order: 2;
}

.specification-variants__more summary::-webkit-details-marker {
    display: none;
}

.specification-variants__hide,
.specification-variants__more[open] .specification-variants__show {
    display: none;
}

.specification-variants__more[open] .specification-variants__hide {
    display: inline;
}

.tnmk-product-specifications--navigation a:focus-visible,
.specification-variants__more summary:focus-visible {
    outline: 2px solid #d00000;
    outline-offset: 2px;
}

@media (max-width: 600px) {
    .tnmk-product-specifications--navigation {
        grid-template-columns: minmax(0, 1fr);
    }

    .tnmk-product-specifications--navigation .tnmk-product-specifications__item {
        grid-template-columns: 86px minmax(0, 1fr);
        gap: 8px;
    }

    .specification-variants__preview > a,
    .specification-variants__current,
    .specification-variants__more summary {
        min-height: 44px;
    }
}

@media print {
    .specification-variants__more:not([open]) ~ .specification-variants__preview > .specification-variants__outside-preview {
        display: inline-flex;
    }

    .specification-variants__more summary {
        display: none;
    }

    .specification-variants__preview > a.specification-variants__ral,
    .specification-variants__current.specification-variants__ral {
        background: #fff;
        color: #000;
    }
}

@media (forced-colors: active) {
    .specification-variants__preview > a.specification-variants__ral,
    .specification-variants__current.specification-variants__ral {
        background: Canvas;
        color: CanvasText;
        border-color: ButtonText;
    }

    .specification-variants__current.specification-variants__ral {
        border-color: Highlight;
        outline: 2px solid Highlight;
    }
}

.specification-variants__scope {
    flex-basis: 100%;
    color: #667085;
    font-size: 12px;
}