/* Modern CSS style for a modern web. */
@import url('pygments.default.css');
@import url('isso-comments.css');
@import url('webmentions.css');

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    --font-mono: Consolas, monaco, 'Ubuntu Mono', 'Liberation Mono', 'Courier New', Courier, monospace;

    --gutter-padding: 2em;

    --affiliate-link-color: #090;
}

.hidden {
    display: none;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font-sans);
}

header * {
    margin: 0;
    padding: 0;
}

h1 a, h2 a, h3 a {
    text-decoration: none;
}

pre, code {
    font-family: var(--font-mono);
}
pre {
    white-space: pre-wrap;
}

figure {
    margin: 0;
    padding: 0;
}

main {
    border: solid rgba(0,0,0,0.5) 1px;
    box-shadow: 5px 5px 5px rgba(0,0,0,0.25);
    margin: 4em auto;
    border-radius: 1em;
    overflow: hidden;
    max-width: 960px;
}

img {
    max-width: 100%;
    height: auto;
}

#banner {
    margin: 0;
    padding: 3em;
    padding-left: 3em;
    border-bottom: solid rgba(0,0,0,0.25) 1px;
}

#banner p {
    font-style: italic;
    font-size: small;
}

#banner h1 {
    font-weight: lighter;
}
#banner h1 span {
    font-weight: normal;
}

#navigation * {
    margin: 0;
    padding: 0;
}

#navigation {
    background: white;
    font-size: small;
    float: right;
    padding: 1ex 1em 1ex 1ex;
    margin: 0 0 1ex 1em;
    border-color: rgba(0,0,0,0.5);
    border-width: 1px;
    border-style: none none dotted dotted;
    border-bottom-left-radius: 1ex;
}

#navigation div {
    margin-bottom: 1em;
}

.breadcrumb li, .breadcrumb span { display: inline; }
.breadcrumb li + li::before {
    content: " /\00a0";
    font-weight: lighter;
    opacity: 50%;
}
.breadcrumb span + span::before {
    content: "/\00a0";
    font-weight: lighter;
    opacity: 50%;
}

#subcategories ul { list-style-type: none; }
#subcategories li { text-indent: 1em hanging; }
#subcategories li::before { content: '» '; }
#subcategories li.everything { font-weight: bold; }
#subcategories li.everything::before { content: '∞ '; }
#subcategories li.nothing { font-weight: bold; }
#subcategories li.nothing::before { content: '∅ '; }

#sidebar ul { list-style-type: none; }
#sidebar li { text-indent: 1em hanging; }
#sidebar li::before { content: '» '; }

nav .prev::before {
    content: '«\00a0';
}
nav .next::after {
    content: '\00a0»';
}

#tags ul {
    list-style-type: none;
}
#tags li {
    text-indent: 1em hanging;
}
#tags li:before {
    content: '☐\00a0';
}

#tags li.clear:before {
    content: '☒\00a0';
    font-weight: bold;
}

#tags li.selected:before {
    content: '☑︎\00a0';
}

#tags li.all, #tags li.top-only {
    font-style: italic;
}
#tags li.all:before, #tags li.top-only:before {
    content: '';
}

#search form {
    display: flex;
}
#search input[type="text"] {
    flex-grow: 1;
}

ul.tag-list li.tag-selected {
    font-weight: bold;
}

article header {
    padding: 0 var(--gutter-padding);
}

article.sticky header h2:first-child::before {
    display: inline-block;
    content: '\00a0';
    border: red;
    width: 1em;
    height: 1em;
    float: right;
    vertical-align: bottom;
    background-color: currentColor;
    mask-size: auto;
    mask-image: url('sticky.svg');
    -webkit-mask-size: auto;
    -webkit-mask-image: url('sticky.svg');
}

article header .posted {
    font-size: small;
    font-style: italic;
}

article header .subcat {
    font-size: 75%;
    font-weight: normal;
}
article header .subcat::before {
    content: '(';
}
article header .subcat::after {
    content: ')';
}

article .tags {
    display: block;
    padding: 0 var(--gutter-padding);
}
article .tags ul {
    font-size: small;
    margin: 0;
    padding: 0;
    display: inline-block;
    list-style-type: none;
    font-style: italic;
}
article .tags li {
    display: inline;
    margin: 0;
    padding: 0;
}
article .tags li:not(:first-child)::before {
    content: ' • ';
}
article .tags a {
    text-decoration: none;
}

article .content {
    padding: 0 var(--gutter-padding);
}

article {
    margin-bottom: 1em;
    clear: left;
}

article:not(:first-child) {
    border-top: solid rgba(0,0,0,0.1) 1px;
}

article.react {
    border-radius: 2em;
    border: solid rgba(0,0,0,0.1) 1px;
    display: inline-block;
    margin-bottom: 0;
    margin: 1ex;
    margin-left: var(--gutter-padding);
    overflow: hidden;
    padding: 1ex;
    max-width: 40%;
    text-align: center;
}

article.react + article.react {
    margin-left: 1ex;
}

article.react header {
    padding: 0;
    font-size: 75%;
}

.inset-left { float: left; margin: 0 1em 1ex 0; }
.inset-right { float: right; margin: 0 0 1ex 1em; }
.shaped { shape-margin: 1ex; }

.readmore {
    font-size: small;
    font-style: italic;
}
.readmore a {
    text-decoration: none;
}


.images {
    text-align: center;
}

.images img {
    vertical-align: middle;
    margin: 0.25ex;
}

#toc ol {
    margin-left: 1em;
    padding-left: 1em;
    list-style-position: initial;
}

#entry #navigation {
    float: none;
    border: none;
    border-radius: initial;
    margin: 0;
    padding: 0.5ex 0;
}
#entry #navigation section {
    margin: 1ex 0;
}
#entry #navigation h2 {
    display: none;
}

#article-links {
    margin: 0;
    padding: 0;
}

nav.paging {
    border-bottom: solid rgba(0,0,0,0.1) 1px;
}
nav.paging ul {
    font-size: small;
    display: flex;
    list-style-type: none;
    width: 100%;
    margin: 0;
    padding: 0;
}
nav.paging li {
    flex-grow: 1;
    display: inline-block;
    margin: 0;
    padding: 0.5ex 1ex;
}
nav.paging .prev {
    text-align: left;
}
nav.paging .next {
    text-align: right;
}
nav.paging a {
    text-decoration: none;
}

#webmentions {
    padding-left: var(--gutter-padding);
}
#webmentions h2 {
    margin: 0;
    padding: 0;
}

#comments header {
    padding: 0 var(--gutter-padding);
}

#comments >.thread {
    padding: 0 var(--gutter-padding);
}

a[href*="amzn.to"]::after,
a[href*="gumroad.com"][href*="a=799797363"]::after,
.affiliate::after {
    content: '($)';
    color: var(--affiliate-link-color);
    font-size: x-small;
    text-decoration: none;
}

.affiliates {
    font-size: small;
    font-style: italic;
    border: dotted black 1px;
    margin: 1ex 0;
    padding: 1ex;
}

#avatars {
    font-size: small;
    font-style: italic;
}

iframe {
    display: inline-block;
    max-width: 100%;
}

#toc {
    font-size: small;
    float: right;
    margin: 0 1em 1ex;
    padding: 0 1ex 1ex 0;
    max-width: 25%;
    border: solid black 1px;
    border-radius: 1em;
    overflow: hidden;
}
#toc h2 {
    margin: 0;
    padding: 0 1ex;
}
#toc ol {
    margin-top: 0;
}

.comment-link::before {
    content: ' •\00a0';
}

#userinfo {
    padding: 1ex var(--gutter-padding);
}

#userinfo.hello {
    background: #cfc;
    color: black;
}

#userinfo.unauthorized {
    background: #ffc;
    color: black;
}

#userinfo .logout {
    font-size: small;
}
#userinfo .logout::before {
    content: '[';
}
#userinfo .logout::after {
    content: ']';
}

.reference {
    font-size: small;
    font-weight: bold;
}

blockquote::before {
    font-family: 'Georgia', 'Times', serif;
    content: '“';
    font-size: 500%;
    position: absolute;
    left: -.5ex;
    top: -.55ex;
    color: #ccc;
    z-index: 10;
    -webkit-text-stroke: #999 0.2px;
    text-shadow: rgba(0,0,0,0.3) 2px 2px 4px, #777 0 0 1px;
}

blockquote {
    position: relative;
    z-index: 0;
    border: solid #eee 1px;
    background: rgba(0,0,0,0.1);
    box-shadow: #999 0 2px 4px;
    padding: 0.25ex 1em;
}

#footnotes {
    font-size: small;
    border-top: dotted rgba(0,0,0,0.25) 1px;
}

@media screen and (max-width: 960px) {
    main {
        border: none;
        border-radius: initial;
        margin: 0;
        box-shadow: none;
    }
}

@media screen and (max-width: 640px) {
    #navigation {
        float: none;
        padding: 1ex 1em 1ex 1ex;
        margin: 0;
        border-color: rgba(0,0,0,0.5);
        border-width: 1px;
        border-style: none none dotted none;
        border-bottom-left-radius: 0;
    }
    #navigation li {
        display: inline;
    }
    :root {
        --gutter-padding: 1em;
    }
}