/*
 * Magick CSS
 * by: winterveil (https://github.com/wintermute-cell/)
 * license: MIT
 * version: 1.0.5
*/

@charset "UTF-8";

/* Importing the fonts. */
@import url('https://fonts.googleapis.com/css2?family=Averia+Libre:ital,wght@0,400;0,700;1,400;1,700&family=Averia+Serif+Libre:ital,wght@0,300;0,700;1,300;1,700&family=Caveat&family=Courier+Prime:ital,wght@0,400;0,700;1,400;1,700&family=Spectral:ital,wght@0,300;0,600;1,300;1,600&display=swap&family=Noto+Sans+Symbols+2&display=swap');

/* Simple CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Theme colors */
    --fg: #0e0e0e;
    --bg: #fefefe;
    --form-bg: #fbfbfb;
    --form-fg: #00004d;
    --form-fg-placeholder: #00004d9a;
}

@media (prefers-color-scheme: dark) {
    :root {
        --fg: #fefefe;
        --bg: #0e0e0e;
        --form-bg: #1a1a1a;
        --form-fg: #fefefe;
        --form-fg-placeholder: #fefefe9a;
    }
}

/*
    1) Modify the base font-size to 62.5% so that 1.6rem = 16px.
    2) Set box-sizing globally to handle padding and border widths.
*/
html {
    font-size: 62.5%; /* 1 */
    box-sizing: border-box; /* 2 */
}

/* Use smaller sizes on mobile devices. */
@media (max-width: 600px) {
    html {
        font-size: 56%;
    }
}

/*
    1) Set the base font-size to 18px with a normal weight.
    2) Set the text and background colors to match the theme.
    3) Use the 'Averia Serif Libre' font for the body text.
    4) Reset the counter for sidenotes.
*/
body {
    font-size: 1.8rem; /* 1 */
    background-color: var(--bg); /* 2 */
    color: var(--fg); /* 2 */
    font-family: "Averia Serif Libre", serif; /* 3 */
    font-style: normal; /* 3 */
    line-height: 2.2rem; /* 3 */
    font-weight: 300; /* 3 */

    counter-reset: sidenote-counter; /* 4 */
}

/*
    1) Center the main content.
    2) Set the width of the element to 760px, with lower padding on mobile devices.
    3) Relative position as the default allows for absolute positioning of child elements.
*/
article,
main {
    margin: auto; /* 1 */
    max-width: 76rem; /* 2 */
    padding: 0 1rem; /* 2 */
    width: 100%; /* 2 */
    position: relative; /* 3 */
}

@media (max-width: 600px) {
    article,
    main {
        padding: 0 0.2rem; /* 2 */
    }
}

/* ========================================================================================================================= */
/*  Structure & Layout ===================================================================================================== */
/* ========================================================================================================================= */

/* Display the header, main, and footer sections as distinctly separate blocks. */
header,
section,
footer {
    margin: 0.7rem;
    padding: 0.7rem;
}

/* On mobile devices, a smaller margin looks more fitting due to the smaller view. */
@media (max-width: 600px) {
    header,
    section,
    footer {
        margin-top: 0.2rem;
        margin-bottom: 0.2rem;
    }
}

/* Avoid double margin on the last child of each section */
header>*:last-child,
section>*:last-child,
footer>*:last-child {
    margin-bottom: 0;
}

/* Add large margins to the header to visually separate it from the main content. */
header {
    margin-top: 12rem;
    margin-bottom: 8rem;
}

/* On mobile devices, reduce the margin around the header to save space. */
@media (max-width: 600px) {
    header {
        margin: 0;
        padding: 1.2rem;
    }
}

/*
    1) Center align the text in the footer.
    2) Add a margin to the top of the footer to visually separate it from the main content.
    3) Add a margin to the bottom of the footer to not have it stuck to the bottom of the page.
*/
footer {
    text-align: center; /* 1 */
    margin-top: 5rem; /* 2 */
    margin-bottom: 2rem; /* 3 */
}

/* ========================================================================================================================= */
/*  Typography & Links ===================================================================================================== */
/* ========================================================================================================================= */

/* Add some space between paragraphs. */
p {
    margin: 1.6rem 0; /* 1 */
}

/* Remove link color. */
a {
    color: var(--fg);
}

/* Make string a little more bold, to adjust for the font. */
b,
strong {
    font-weight: 600;
}

/* Make emphasized text a little larger, to adjust for the font. */
i,
em {
    font-size: calc(1em + 0.1rem);
}

/*
    1) Set the font-family, color, and font-style for the headings.
    2) Add a margin to the top and bottom of the headings.
*/
h1,
h2,
h3,
h4 {
    font-family: "Averia Libre", cursive; /* 1 */
    color: var(--fg); /* 1 */
    font-style: normal; /* 1 */
    font-weight: 600; /* 1 */
    margin: 1.6rem 0 1.6rem 0; /* 2 */
}

/* h1 headings are uppercase and 2x the size of the base font. */
h1 {
    text-transform: uppercase;
    font-size: 3.6rem;
    line-height: 3.3rem;
}

/* h2 headings are uppercase and 1.250x (major third) the size of the base font. */
h2 {
    font-size: 2.25rem;
    text-transform: uppercase;
    margin: 1.2rem 0 1.2rem 0;
}

/* h3 headings are 1.125x (major second) the size of the base font. */
h3 {
    font-size: 2.025rem;
}

/* Add a decorative element before h3 headings. */
h3:before {
    font-family: "Noto Sans Symbols 2", sans-serif;
    content: "🙛 ";
}

/* h4 headings are the same size as h3 headings, but italic and without the decorative element. */
h4 {
    font-style: italic;
    font-size: 2.025rem;
}

/* A uniquely styled h1 for the header */
header h1 {
    font-size: 4rem;
    color: var(--fg);
    text-align: center;
    padding: 4rem 0 1.2rem 0;
    margin-bottom: 1rem;
}

/* Additional decorations for the header h1 */
header h1:before,
header h1:after {
    content: "✦";
    color: var(--fg);
    font-size: 1.5rem;
    vertical-align: middle;
    padding: 0 0.5rem;
}

/*
    1) Remove any list symbols.
    2) Center align the nav links.
    3) Add a margin to the top of the nav links.
    4) Remove the default padding from the list.
*/
header nav ul {
    list-style-type: none; /* 1 */
    text-align: center; /* 2 */
    margin-top: 1.0rem; /* 3 */
    padding-inline-start: 0; /* 4 */
}

/* Display the navigation links as a centered, horizontal list. */
header nav ul li {
    display: inline;
    margin: 0 1.2rem;
}

/* Remove default link styles. */
header nav ul li a {
    text-decoration: none;
    color: var(--fg);
}

/* Add a hover effect to the navigation links. */
header nav ul li a::before {
    content: "❯ "; /* 1 */
    opacity: 0; /* 1 */
}
header nav ul li a:hover::before {
    opacity: 1; /* 1 */
}

/* ===================================================================================================================== */
/*       Lists     ===================================================================================================== */
/* ===================================================================================================================== */

/*
    1) Add some indentation to the list items.
    2) Add a margin to the top and bottom of the list.
*/
:where(main ol, main ul) {
    margin-inline-start: 0; /* 1 */
    padding-inline-start: 3rem; /* 1 */
    margin: 0.8rem 0; /* 2 */
}

/* Add some vertical space around a definition list. */
dl {
    margin: 0.8rem 0;
}

/* Add an indent to the definition term. */
dd {
    margin: 0 1.6rem;
}

/* ===================================================================================================================== */
/*      Media      ===================================================================================================== */
/* ===================================================================================================================== */

/*
    1) Set the maximum width of the image to 100% so they don't overflow the main column.
    2) Set the height in respect to the width to prevent the image from stretching.
    3) Add some margin to standalone images.
*/
img {
    max-width: 100%; /* 1 */
    height: auto; /* 2 */
    margin: 0.8rem 0; /* 3 */
}

/* Images in figures should not have their own margins */
figure img {
    margin: 0;
    padding: 0;
}

/*
    1) Set margins and padding for figures.
    2) Center align any text inside figures.
*/
figure {
    margin: 2rem 0; /* 1 */
    padding: 0; /* 1 */
    text-align: center; /* 2 */
}

/* Center align any element that is part of a figure */
figure * {
    margin-left: auto;
    margin-right: auto;
}

/* We don't want to center prealigned text or code in figures */
figure code,
figure pre {
    text-align: left;
}

/* Set the typography for the figure captions */
figcaption {
    margin: 0.8rem 0;
    font-size: 1.8rem;
}

/* ===================================================================================================================== */
/*  Forms & Inputs ===================================================================================================== */
/* ===================================================================================================================== */


/*
    1) Display the form elements in a grid layout, two columns wide.
    2) Add some space between the form elements.
    3) Set padding and margin for the form.
    4) Give the form a pop out paper note look.
*/
form {
    display: grid; /* 1 */
    grid-template-columns: 1fr 1fr; /* 1 */
    gap: 10px; /* 2 */
    padding: 1rem; /* 3 */
    margin: 0.8rem 0; /* 3 */
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1); /* 4 */
    background-color: var(--form-bg); /* 4 */
}

/* Make form inputs and labels span two columns. (They get their own line) */
form input[type="email"],
form input[type="number"],
form input[type="password"],
form input[type="search"],
form input[type="tel"],
form input[type="text"],
form input[type="url"],
form label,
form fieldset,
form textarea {
    grid-column: span 2;
}

/* 
    1) Adjust the elements to take up full width of their grid cell.
    2) Prevent textarea from being resized horizontally and overflowing the main column.
*/
form input,
form button,
form textarea {
    width: 100%; /* 1 */
    resize: vertical; /* 2 */
}

/*
    1) Prevent radio and checkbox from taking up full width, so they can be put next to each other.
    2) Add space between radio and checkbox options.
*/
input[type="radio"],
input[type="checkbox"] {
    width: auto; /* 1 */
    margin-right: 0.5rem; /* 2 */
}
input[type="radio"] + label,
input[type="checkbox"] + label {
    margin-right: 2rem; /* 2 */
}

/* Add a disabled variant for radio and checkbox inputs */
input[type="radio"]:disabled + label,
input[type="checkbox"]:disabled + label {
    text-decoration: line-through;
    opacity: 0.5;
}

/*
    1) Remove the default appearance of the input.
    2) Set padding and margin for the input.
    3) Apply some custom styles in place of the default ones.
    4) Give the input a handwritten look.
*/
input[type="email"],
input[type="number"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="text"],
input[type="url"],
textarea,
select {
    -webkit-appearance: none; /* 1 */
    -moz-appearance: none; /* 1 */
    appearance: none; /* 1 */
    box-shadow: none; /* 1 */
    box-sizing: inherit; /* 1 */
    border: none; /* 1 */

    padding: .4rem 1rem; /* 2 */
    margin-bottom: 1.6rem; /* 2 */

    font-size: 2rem; /* 3 */
    color: var(--fg); /* 3 */
    background-color: transparent; /* 3 */
    border-bottom: 1px solid var(--fg); /* 3 */
    border-radius: 0; /* 3 */
    font-size: 1.8rem; /* 3 */

    font-family: "Caveat", cursive; /* 4 */
    font-size: 2.6rem; /* 4 */
    color: var(--form-fg); /* 4 */
    caret-color: var(--form-fg); /* 4 */
}

/* Add disabled variant for input fields */
input[type="email"]:disabled,
input[type="number"]:disabled,
input[type="password"]:disabled,
input[type="search"]:disabled,
input[type="tel"]:disabled,
input[type="text"]:disabled,
input[type="url"]:disabled,
textarea:disabled,
select:disabled {
    border-bottom: 1px dashed var(--fg); /* 3 */
    text-decoration: line-through;
}

/* A slightly more transparent color for the placeholder text. */
input::placeholder,
textarea::placeholder {
    color: var(--form-fg-placeholder);
}

/*
    1) Remove the default focus outline.
    2) Add a thicker bottom border to the input when focused, reducing margin to prevent layout shifting.
*/
input[type="email"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
input[type="text"]:focus,
input[type="url"]:focus,
textarea:focus,
select:focus {
    outline: none; /* 1 */
    border-bottom: 2px solid var(--fg); /* 2 */
    margin-bottom: calc(1.6rem - 1px); /* 2 */
}


/*
    1) Match the theme colors.
    2) Add padding.
    3) Add a top margin to visually separate the buttons for the rest of the form.
    4) Add a thin border.
    5) Add a pointer cursor on hover.
*/
button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
    background-color: transparent; /* 1 */
    color: var(--fg); /* 1 */
    padding: 10px; /* 2 */
    margin-top: 1.6rem; /* 3 */
    border: 1px solid var(--fg); /* 4 */
    cursor: pointer; /* 5 */
}

/*
    1) A thin border around the fieldset.
    2) Set the width of the fieldset to fit around the content.
*/
fieldset {
    border: 1px solid var(--fg); /* 1 */
    width: fit-content; /* 2 */
}

/* In a form, the fieldset takes up 100% of the width. */
form fieldset {
    width: 100%;
}

/*
    1) Set the border of a disabled button to be dashed.
    2) Add the not-allowed cursor when hovering a disabled button.
*/
button:disabled,
input[type="button"]:disabled,
input[type="reset"]:disabled,
input[type="submit"]:disabled {
    opacity: 0.5;
    border-style: dashed; /* 1 */
    cursor: not-allowed; /* 2 */
    text-decoration: line-through;
}

/* ===================================================================================================================== */
/*   Tables   ========================================================================================================== */
/* ===================================================================================================================== */

/* Remove the distance between adjacent cells, since we don't have vertical border lines. */
table {
    border-spacing: 0;
}

/* Add some padding around table cells. */
td,
th {
    padding: 0.4rem 1.0rem;
}

/* Remove left padding for first cell in a row. */
td:first-child,
th:first-child {
    padding-left: 0;
}

/* Remove right padding for last cell in a row. */
td:last-child,
th:last-child {
    padding-right: 0;
}

/*
    1) Add a border under the table header.
    2) Align the text to the left in the table header.
*/
th {
    border-bottom: 2px solid var(--fg); /* 1 */
    text-align: left; /* 2 */
}

/* ============================================================================================================================ */
/*   Preformatting, Quotes & Code  ============================================================================================ */
/* ============================================================================================================================ */

/*
    1) Set custom padding and margins.
    2) Hide the vertical scroll bar.
    3) Set the width to fit just around the content, but limit it to 80% of the main column.
    4) Center the blockquote horizontally and add some vertical margins.
*/
blockquote {
    padding: 1rem 1.6rem; /* 1 */
    overflow-y: hidden; /* 2 */
    width: fit-content; /* 3 */
    max-width: 80%; /* 3 */
    margin: 2rem auto; /* 4 */
}

/*
    1) Set a custom font for blockquote text paragraphs.
    2) Add some space between the paragraphs.
*/
blockquote p {
    font-family: "Spectral", serif; /* 1 */
    font-style: italic; /* 1 */
    font-size: 2.1rem; /* 1 */
    font-weight: 300; /* 1 */
    line-height: 2.4rem; /* 1 */
    margin: 2.1rem 0; /* 2 */
}

/* Add a footer to the blockquote for citations. */
/*
    1) Reset any margins and padding from the main footer.
    2) Set the footer to float and align to the right.
    3) Limit the width of the footer to 55% of the main column.
    4) Set a custom font for the footer.
*/
blockquote footer {
    margin: 0; /* 1 */
    padding: 0; /* 1 */
    float: right; /* 2 */
    text-align: right; /* 2 */
    width: 55%; /* 3 */
    font-family: "Spectral", serif; /* 4 */
    font-style: normal; /* 4 */
    font-size: 1.4rem; /* 4 */
}

/* Make the actual citation italic */
blockquote footer cite {
    font-style: italic;
}

/*
    1) Set custom padding.
    2) Hide the vertical scroll bar.
    3) Set a custom monospace font.
    4) Add a top and bottom border line.
*/
pre:has(code) {
    padding: 1rem 1.6rem; /* 1 */
    margin: 1.6rem 0; /* 1 */
    overflow-y: hidden; /* 2 */
    font-family: "Courier Prime", monospace; /* 3 */
    font-size: 1.6rem; /* 3 */
    border-top: 2px solid var(--fg); /* 4 */
    border-bottom: 2px solid var(--fg); /* 4 */
}

/* Set a custom monospace font */
code {
    font-family: "Courier Prime", monospace;
    font-size: 1.6rem;
}
 
/*
    1) Float the line numbers to the left, next to the code.
    2) Make some distance between the line numbers and the code, and pull it all to the left with a negative margin.
    3) Add a vertical line to separate the line numbers from the code.
    4) Align the line numbers against the separator.
*/
pre .line-number {
    float: left; /* 1 */
    margin: 0 1.5rem 0 -1.5rem; /* 2 */
    border-right: 1px solid; /* 3 */
    text-align: right; /* 4 */
}

/*
    1) Display as block, so we get a new line for each line number.
    2) Add some padding to the line numbers.
*/
pre .line-number span {
    display: block; /* 1 */
    padding: 0 0.8rem 0 1.6rem; /* 2 */
}

/* ============================================================================================================================ */
/*   Sidenotes & Asides  ====================================================================================================== */
/* ============================================================================================================================ */

/*
    1) On mobile devices, sidenotes behave the same as asides.
    2) Float the sidenotes to the right.
    3) Make sure the sidenotes don't clash.
    4) Set the width of the sidenotes to 40% of the main column.
    5) Add padding, margins and a border for better visual separation.
    6) Adjust typography to be more compact.
*/
.sidenote, /* 1 */
aside {
    float: right; /* 2 */
    clear: right; /* 3 */
    width: 40%; /* 4 */
    margin: 1rem 1rem 1rem 3rem; /* 5 */
    padding: 0.5rem 0.5rem 0.5rem 2rem; /* 5 */
    border-left: 3px solid var(--fg); /* 5 */
    font-size: 1.4rem; /* 6 */
    line-height: 1.3; /* 6 */
}

/* Prevent double top margins */
aside h1, aside h2, aside h3, aside h4 {
    margin-top: 0;
}

/*
    1) Set the distance from the main column.
    2) Set the width of the element to a little less than the remaining space on one side, limited to 40% of the main column.
    3) Remove any values set for the mobile version of the sidenotes.
    4) Set the width to the variable defined above.
    5) Set a negative right margin to (self-width + distance-from-main) to pull the sidenote to the right.
*/
/* Sadly, CSS does not support var() and rem in media queries, so we have to hardcode pixels. */
/* This will break if the main column width is changed without adjusting this media query.    */
@media (min-width: calc(760px + 400px)) {
    .sidenote {
        --distance-from-main: 3rem; /* 1 */
        --self-width: min(calc((100vw - 760px)/2 - (var(--distance-from-main))), 40%); /* 2 */
        margin: 0; /* 3 */
        padding: 0; /* 3 */
        border: none; /* 3 */
        width: var(--self-width);
        margin-right: calc(calc(var(--self-width) + var(--distance-from-main)) * -1);
    }
}

/* Each time a sidenote anchor is encountered, increment the counter */
.sidenote-anchor {
    counter-increment: sidenote-counter;
}

/* Use a custom font for the sidenote numbers */
.sidenote-anchor:after,
.sidenote:before {
    font-size: 1.3rem;
    position: relative;
    font-family: "Spectral", serif;
}

/* Fine-adjust the number position for the sidenote anchor */
.sidenote-anchor:after {
    content: counter(sidenote-counter);
    top: -0.5rem;
    left: 0.1rem;
}

/* Fine-adjust the number position for the sidenote */
.sidenote:before {
    content: counter(sidenote-counter) " ";
    top: -0.5rem;
}
