@import "img.css";
@import "code.css";
@import "header.css";
@import "footer.css";
@import "paginator.css";
@import "home.css";
@import "post.css";
@import "toc.css";
@import "prext.css";
@import "related.css";
@import "table.css";
@import "tabs.css";
@import "details.css";
@import "admonition.css";
@import "sidenote.css";
@import "secret.css";
@import "mark.css";
@import "resource.css";
@import "quote.css";
@import "friend.css";
@import "dropcap.css";
@import "taxo.css";
@import "shell.css";
@import "jump.css";

* {
    box-sizing: border-box;
}

/*
 * reference:
 * https://stackoverflow.com/questions/6654958/make-body-have-100-of-the-browser-height
 * https://stackoverflow.com/questions/643879/css-to-make-html-page-footer-stay-at-bottom-of-the-page-with-a-minimum-height-b
 */
html {
    height: 100%;
    overflow-y: scroll;
    scroll-behavior: smooth;
    /* overflow-wrap: break-word; */

    /* https://stackoverflow.com/questions/3058866/how-to-force-a-line-break-in-a-long-word-in-a-div/18706058#18706058 */
    -ms-word-break: break-all;
    word-break: break-all;
    /* Non standard for webkit */
    word-break: break-word;

    -webkit-hyphens: auto;
    -moz-hyphens: auto;
    -ms-hyphens: auto;
    hyphens: auto;
}

body {
    display: flex;
    flex-direction: column;
    max-width: 100%;
    min-height: 100%;
    margin: 0;
    font-family: var(--sans-font);
    font-size: var(--font-size);
    line-height: var(--line-height);
    color: var(--font-color);
    background: var(--bgcolor);
}

:root {
    --mono-font: "IBM Plex Mono","Roboto Mono","Ubuntu Mono","Fira Code","Overpass Mono", Monaco,"Droid Sans Mono",monospace;
    --sans-font: "IBM Plex Sans",Lato,Roboto,"Nimbus Sans L",Avenir,"Noto Sans", "Segoe UI",Arial,Helvetica,"Helvetica Neue",sans-serif;

    --font-size-tiny: 0.8rem;
    --font-size-small: 0.9rem;
    --font-size-normal: 1rem;
    --font-size-big: 1.1rem;
    --font-size-large: 1.2rem;

    --font-size: 1rem;
    --h1-font-size: 1.5rem;
    --h2-font-size: 1.4rem;
    --h3-font-size: 1.3rem;
    --h4-font-size: 1.2rem;

    --svg-stroke-color: black;

    --svg-stroke-width-thin: 1;
    --svg-stroke-width-normal: 2;
    --svg-stroke-width-thick: 3;

    --svg-size-small: 0.8em;
    --svg-size-normal: 1em;
    --svg-size-large: 1.2em;

    --transition-duration-lightning: 100ms;
    --transition-duration-fast: 150ms;
    --transition-duration-normal: 200ms;
    --transition-duration-slow: 250ms;
    --transition-duration-turtle: 300ms;

    --mono-font-size: 1rem;
    --line-height: 1.6rem;
    --code-block-line-height: 1.4rem;
    --paginator-font-size: 1.4rem;
}

:root {
    --apple-blue: #007AFF;
    --bgcolor: AliceBlue;
    --font-color: Black;
    --link-color: RoyalBlue;
    --link-active-color: Blue;
    --rule-color: Gray;
    --menu-icon-color: DarkBlue;
    --post-card-border-color: SlateGray;
    --post-card-shadow-color: LightSlateGray;
    /* --code-color: Black; */
    --code-bgcolor: White;
    --code-border-color: LightGray;
    --quote-color: DimGray;
    --quote-bgcolor: Whitesmoke;
    --quote-left-border-color: Silver;
    --quote-border-color: Gainsboro;
    --figure-caption-color: DimGray;
    --toc-heading-color: Dodgerblue;
    --toc-heading-active-color: var(--font-color);
    --toc-underline-color: Dodgerblue;
    --toc-highlight-color: Lavender;
    --code-block-bgcolor: White;
    --code-block-border-color: Gainsboro;
}

/* @media (prefers-color-scheme: dark) {
    :root {
        --bgcolor: DimGray;
        --font-color: Whitesmoke;
        --link-color: PowderBlue;
        --rule-color: LightGray;
        --code-bgcolor: Gray;
        --quote-color: Silver;
        --quote-bgcolor: DimGray;
        --quote-left-border-color: Lavender;
        --quote-border-color: Silver;
        --figure-caption-color: LightGray;
        --toc-link-color: PaleTurquoise;
        --toc-active-color: Violet;
        --toc-inactive-color: var(--link-color);
        --code-block-bgcolor: Gray;
        --code-block-border-color: Silver;
    }
} */


/* @media screen and (max-width: 320px) {
    :root {
        --font-size: 15px;
        --mono-font-size: 13px;
    }
}

@media screen and (min-width: 320px) and (max-width: 600px) {
    :root {
        --font-size: 16px;
        --mono-font-size: 14px;
    }
}

@media screen and (min-width: 600px) and (max-width: 960px) {
    :root {
        --font-size: 17px;
        --mono-font-size: 15px;
    }
}

@media screen and (min-width: 960px) and (max-width: 1280px) {
    :root {
        --font-size: 18px;
        --mono-font-size: 16px;
    }
}

@media screen and (min-width: 1280px) and (max-width: 1600px) {
    :root {
        --font-size: 19px;
        --mono-font-size: 17px;
    }
}

@media screen and (min-width: 1600px) and (max-width: 1920px) {
    :root {
        --font-size: 20px;
        --mono-font-size: 18px;
    }
} */

/* select only top level ul */
*:not(li) > ul {
    margin-block-start: 0.8em;
}

ul {
    padding-inline-start: 2em;
}

/* small screen width with nested list looks bad */
@media screen and (max-width: 600px) {
    *:not(li) > ul {
        padding-inline-start: 1.5em;
    }
    ul {
        padding-inline-start: 1em;
    }
}

ol {
    margin-left: .8em;
}

ol li::marker {
    font-weight: bold;
}

/* footnotes */
div.footnotes > ol {
    margin-top: .8em;
}
div.footnotes p {
    margin: .4em 0;
}

hr.rule {
    height: 2px;
    border-width: 0;
    color: var(--rule-color);
    background-color: var(--rule-color);
}

input {
    accent-color: var(--link-color);
}

/* svg icons */
svg {
    stroke: var(--svg-stroke-color);
    stroke-width: var(--svg-stroke-width-normal);
    stroke-linecap: round;
    stroke-linejoin: round;
    width: var(--svg-size-normal);
    height: var(--svg-size-normal);
    fill: none;
}

svg.copyleft-icon {
    position: relative;
    top: 2px;
    stroke: none;
    fill: black;
    width: var(--svg-size-normal);
    height: var(--svg-size-normal);
}

/* FIXME: Maybe it's disgusting to have a default style for all anchors... */
/* anchors */
a {
    color: var(--link-color);
    word-break: break-word; /* some urls are so long */
    text-decoration: none !important;
    /* border-bottom: .1rem solid var(--link-color); */
    box-shadow: inset 0 -0.1em 0 var(--link-color);
    transition: 0.2s ease;
}
a:hover {
    color: var(--link-active-color);
    /* border-bottom: .1rem solid var(--link-active-color); */
    box-shadow: inset 0 -0.15em 0 var(--link-active-color);
}

svg.external-anchor-icon {
    stroke: var(--link-color);
    stroke-width: 2;
    width: 1em;
    height: 1em;
    position: relative;
    top: .2em;
    margin-left: .2em;
    transition: 0.2s ease;
}
a:hover svg.external-anchor-icon {
    stroke: var(--link-active-color);
    transform: rotate(3deg);
}

main h1 {
    font-family: var(--sans-font);
    font-size: var(--h1-font-size);
}
main h2 {
    font-family: var(--sans-font);
    font-size: var(--h2-font-size);
}
main h3 {
    font-family: var(--sans-font);
    font-size: var(--h3-font-size);
}
main h4 {
    font-family: var(--sans-font);
    font-size: var(--h4-font-size);
}

/**
 * NOTE: To make heading respect the top header height, we could use scroll-margin-top here,
 * but it has not been implemented in ladybird. The workaround is to add a placeholder pseudo-elements
 * before the headings to create the vertical margin so that headings will not be covered by header.
 */
article h2::before,
article h3::before,
article h4::before {
    display: block;
    content: "";
    margin-top: -4rem;
    height: 4rem;
    visibility: hidden;
}

p.post-info {
    font-family: var(--sans-font);
    line-height: 2rem;
}

/* heading pilcrow */
a.heading-pilcrow {
    padding-top: var(--header-height);
    color: var(--font-color);
    box-shadow: none;

    /* pilcrow is initially opaque */
    opacity: 0;
    transition: 150ms;
}
a.heading-pilcrow:hover {
    color: var(--link-color);
}

/* show pilcrow on hovering headings */
main h1:hover a.heading-pilcrow,
main h2:hover a.heading-pilcrow,
main h3:hover a.heading-pilcrow,
main h4:hover a.heading-pilcrow {
    opacity: 1;
}

.content p {
    margin: .8em 0;
}

.content li:not(:last-child), .about-content li:not(:last-child) {
    margin: .2em 0;
}


/* post item in Posts/Categories/Tags */
li.post-item {
    font-family: var(--sans-font);
    margin-bottom: .4em;
}

/* collapsible details for each series */
details.series {
    font-family: var(--sans-font);
    padding-left: 1.2em;
    margin: 1em 0;
}

details.series > summary {
    list-style: none;
    list-style-type: none;
    font-size: 1.2em;
    cursor: pointer;
}

details.series > summary::before {
    content: "\2217";
    font-weight: bold;
    margin-right: .5em;
}

details.series summary::after {
    /* content: "\27A4"; */
    content: "\25B6";
    color: var(--link-color);
    display: inline-block;
    margin-left: 1ch;
    transition: 0.15s;
}

details.series[open] summary::after {
    transform: rotate(90deg);
}

details.series > ul {
    margin: .8em 0 1.6em .8em;
}

.series-item:not(:last-child) {
    margin-bottom: .4em;
}

/* categories */
ul.categories {
    font-family: var(--sans-font);
}
ul.categories > li {
    margin-bottom: .5em;
}

/* tags */
p.tags {
    font-family: var(--sans-font);
    line-height: 3.2em;
}
p.tags > span {
    white-space: nowrap;
}