.app-banner {
    --app-banner-bg: #ffe000;
    --app-banner-fg: #000000;
    --app-banner-content-bg: #ffffff;
    --app-banner-content-border-color: #000000;
    --app-banner-description-bg: #888888;
    --app-banner-description-fg: #ffffff;
    --app-banner-focus-color: #fff;
    --app-banner-spinner-color: #fff;
    --app-banner-spinner-track-color: rgba(0, 0, 0, 0.3);
    --app-banner-shadow-color: rgba(0, 0, 0, 0.22);

    background: repeating-linear-gradient(
            -45deg,
            var(--app-banner-bg) 25%,
            var(--app-banner-fg) 25%,
            var(--app-banner-fg) 50%,
            var(--app-banner-bg) 50%,
            var(--app-banner-bg) 75%,
            var(--app-banner-fg) 75%
    ) !important;
    background-size: 40px 40px !important;
    color: var( --app-banner-fg);

    text-align: center;
    font: 500 14px/1.35 system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    position: relative;
    z-index: 1000;
}

.app-banner__container {
    display: inline-block;
    width: auto;
    min-width: 300px;
    margin: 0.35em  ;
    background: #fff;
    padding: .35em .5em;
    border-radius: 7px;
    border: 2px solid var( --app-banner-content-border-color);
}

.app-banner__title {
    display: inline-block;
    font-weight: 700;
    text-align: center;
}

#app-banner__toggle {
    cursor: pointer;
}

#app-banner__toggle:focus-visible {
    outline: 2px solid var(--app-banner-focus-color);
    outline-offset: 3px;
    border-radius: 50%;
}

.app-banner__info,
.app-details {
    display: none;
    flex-wrap: wrap;
    gap: 2px 8px;
    justify-content: center;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.25;
}

.app-banner__info strong,
.app-details strong {
    font-weight: 500;
}

.app-banner__info[hidden],
.app-details[hidden],
.loading[hidden] {
    display: none !important;
}

.app-banner__info.active,
.app-details.active {
    display: flex;
}

.loading {
    display: flex;
    position: relative;

    justify-content: center;
    align-items: center;
    gap: 8px;
}

.loading__spinner {
    display: inline-block;
    content: "";
    width: 16px;
    height: 16px;
    border: 3px solid var(--app-banner-spinner-track-color);
    border-top-color: var(--app-banner-spinner-color);
    border-radius: 50%;
    animation: spinner 0.8s linear infinite;
}

.app-description {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    padding: 0 1em;
    background: var(--app-banner-description-bg);
    color: var(--app-banner-description-fg);
    box-shadow: 0 8px 18px var(--app-banner-shadow-color);
    font-size: 1.1em;
    font-weight: 400;
    line-height: 1.35;
    opacity: 0;
    transition: max-height 0.2s ease, opacity 0.2s ease, padding 0.2s ease;
}

.app-description.active {
    max-height: 120px;
    padding: 10px 24px 12px;
    opacity: 1;
}

@keyframes spinner {
    to {
        transform: rotate(360deg);
    }
}