updated styles

nzz.ch_darkmode.css

:root {
    --black: #fafafa;
    --white: #474749;

    --blueStrong: #6469e7; 
    --grayUltraLight: #f5f5f5;
    --grayLight: #333;
    --grayMedium: #a2a2a2;
    --grayDark: #ebebeb;
       
    --opinion: #353537;
    --colorTitleDecoration: #fedbe4;
    --colorTitleDecorationHighlight: #d4d8f6;
    --colorSuccess: #46d38e;
    --colorFailure: #ff8c61;
    --blueChmedia: #0098e3;
    --colorHighlight: #ececf2;

    --blueDark: #d4d8f6;
    --org-blueDark: #13175f;

    --progressBar: #000;
    --colorBackground: #252525;
    --articleBackground: #474749;
    
    --q-title-color: #d4d8f6;
    
    --yellow: #9f9b4d;
}

.nzz-container {
    background-color: var(--articleBackground);
}

.infobox__body::after {
    background: linear-gradient(180deg,hsla(0,0%,100%,0),#474749)
}

.svg-icon path[fill="#000000"],
.svg-icon path[fill="#000"] {
    fill: var(--black);
}

.container__header-icon path[stroke="#000"],
.svg-icon path[stroke="#000000"],
.svg-icon path[stroke="#000"],
.svg-icon circle[stroke="#000000"],
.svg-icon circle[stroke="#000"] {
    stroke: var(--black) !important;
}

.menu__section.menu__section--brand[class]{
    background-color: var(--org-blueDark);
}
.menu__section--brand .menu__link--brand {
    color: var(--black) !important;
}

.s-q-item__subtitle,
.articlecomponent tbody,
.s-q-item__footer,
.s-legend-item-label__item__label{
    color: var(--q-title-color);
}

.container--article a:not([class]){
    background-image: linear-gradient(90deg,#9c9aa8,#9c9aa8)
}

.content-table__link[href] {
    color: var(--black);
}

.image-zoom__control path[stroke="#333333"]{
    stroke: #ddd;
}
.image-zoom__control path[fill="#333333"]{
    fill: #ddd;
}

.teaser--highlight{
    background-color: var(--grayLight);
}

.messagebox-pleaseregister.dynamic-regwall{
    background: var(--white);
}

.messagebox-pleaseregister__inner .regwall__wrapper {
    background-color: var(--articleBackground);
}

.messagebox-pleaseregister__inner .regwall__wrapper::before {
    background-image: linear-gradient(0deg,var(--white),hsla(0,0%,100%,0))
}