/*
 * Gemeinsame, bewusst kleine CSS-Basis.
 * Seitenbezogene Gestaltung bleibt in den jeweiligen Seitendateien.
 */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --app-content-width: 950px;
    --app-content-half-width: 475px;
}

.topbar-inner,
.subbar-inner,
.content,
.page {
    width: min(var(--app-content-width), calc(100% - 32px));
    margin-right: auto;
    margin-left: auto;
}

.advertisement-rail {
    position: fixed;
    top: 180px;
    z-index: 8;
    width: 240px;
}

.advertisement-rail-left {
    left: max(12px, calc(50% - var(--app-content-half-width) - 310px));
}

.advertisement-rail-right {
    right: max(12px, calc(50% - var(--app-content-half-width) - 310px));
}

.advertisement-banner {
    position: relative;
    display: none;
    width: 240px;
    height: min(600px, calc(100vh - 210px));
    min-height: 300px;
    overflow: hidden;
    border: 1px solid var(--panel-border, rgba(0, 0, 0, 0.12));
    background: var(--panel, #fff);
    color: inherit;
    text-decoration: none;
}

.advertisement-banner.is-active {
    display: block;
}

.advertisement-banner img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.advertisement-label {
    position: absolute;
    top: 5px;
    right: 5px;
    z-index: 1;
    padding: 2px 5px;
    background: rgba(0, 0, 0, 0.62);
    color: #fff;
    font: 10px/1.3 Arial, sans-serif;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

@media (max-width: 1590px), (max-height: 560px) {
    .advertisement-rail {
        display: none;
    }
}