:root {
    --primary-color: #167CBE; /* to achieve WCAG 2.1 AA (contract requirement) */
}


.components-grid {
    display: grid;
    grid-column-gap: 1.4em;
    grid-template-columns: auto;
    grid-template-rows: auto;
}

    .components-grid main {
        overflow-x: auto; /* Ensure horizontal scrolling for items */
    }

.image-grid {
    display: grid;
    grid-template-rows: auto;
    grid-gap: 1em;
    grid-template-columns: repeat(auto-fit, minmax(calc(var(--page-width) / 12), 1fr));
}

@media only screen and (min-width: 70em) {
    .components-grid {
        grid-template-columns: 3fr 9fr;
    }

        .components-grid aside {
            position: sticky;
            top: calc(var(--global-space) * 2);
        }
}

.hljs {
    white-space: pre;
    overflow-x: auto;
}

.form-group .text-danger {
    color: #dc3545 !important;
}

nav ul li {
    padding: 10px;
}

aside#menu nav ul li.active {
    font-weight: 700;
}

p#footer-disclaimer {
    float: left;
}

a#w3-validate-link {
    float: right;
    margin-top: -8px;
}

    a#w3-validate-link:hover {
        background-color: #fff;
    }

a#kofi-link {
    float: right;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

#scroll-to-top-button {
    margin-left: 5px;
    text-decoration: underline;
}

table td, table th {
    
    text-align: center;
}

    table td code#checksum-cell {
        word-break: break-all;
        font-size: 10px;
    }

@media (prefers-color-scheme: dark) {

    :root {
        --global-font-size: 15px;
        --global-line-height: 1.4em;
        --global-space: 10px;
        --font-stack: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;
        --mono-font-stack: Menlo, Monaco, Lucida Console, Liberation Mono, DejaVu Sans Mono, Bitstream Vera Sans Mono, Courier New, monospace, serif;
        --background-color: #222225;
        --page-width: 60em;
        --font-color: #e8e9ed;
        --invert-font-color: #222225;
        --secondary-color: #a3abba;
        --tertiary-color: #a3abba;
        --primary-color: #62c4ff;
        --error-color: #ff3c74;
        --progress-bar-background: #3f3f44;
        --progress-bar-fill: #62c4ff;
        --code-bg-color: #3f3f44;
        --input-style: solid;
        --display-h1-decoration: none;
    }

    .hljs-name, .hljs-number, .hljs-quote, .hljs-selector-id, .hljs-template-tag, .hljs-type {
        color: #DF6401;
    }

    a#w3-validate-link:hover {
        background-color: #222225;
    }
}