/* Base styles and content styles */

:root {
    /* Browser default font-size is 16px, this way 1 rem = 10px */
    font-size: 62.5%;
    color-scheme: var(--color-scheme);
}

html {
    font-family: "Open Sans", sans-serif;
    color: var(--fg);
    background-color: var(--bg);
    text-size-adjust: none;
    -webkit-text-size-adjust: none;
}

body {
    margin: 0;
    font-size: 1.6rem;
    overflow-x: hidden;
}

code {
    font-family: var(--mono-font) !important;
    font-size: var(--code-font-size);
    direction: ltr !important;
}

/* make long words/inline code not x overflow */
main {
    overflow-wrap: break-word;
}

/* make wide tables scroll if they overflow */
.table-wrapper {
    overflow-x: auto;
}

/* Don't change font size in headers. */
h1 code,
h2 code,
h3 code,
h4 code,
h5 code,
h6 code {
    font-size: unset;
}

.left {
    float: left;
}
.right {
    float: right;
}
.boring {
    opacity: 0.6;
}
.hide-boring .boring {
    display: none;
}
.hidden {
    display: none !important;
}

h2,
h3 {
    margin-block-start: 2.5em;
}
h4,
h5 {
    margin-block-start: 2em;
}

.header + .header h3,
.header + .header h4,
.header + .header h5 {
    margin-block-start: 1em;
}

h1:target::before,
h2:target::before,
h3:target::before,
h4:target::before,
h5:target::before,
h6:target::before {
    display: inline-block;
    content: "»";
    margin-inline-start: -30px;
    width: 30px;
}

/* This is broken on Safari as of version 14, but is fixed
   in Safari Technology Preview 117 which I think will be Safari 14.2.
   https://bugs.webkit.org/show_bug.cgi?id=218076
*/
:target {
    /* Safari does not support logical properties */
    scroll-margin-top: calc(var(--menu-bar-height) + 0.5em);
}

.page {
    outline: 0;
    padding: 0 var(--page-padding);
    margin-block-start: calc(
        0px - var(--menu-bar-height)
    ); /* Compensate for the #menu-bar-hover-placeholder */
}
.page-wrapper {
    box-sizing: border-box;
    background-color: var(--bg);
}
html:not(.js) .page-wrapper,
.js:not(.sidebar-resizing) .page-wrapper {
    transition:
        margin-left 0.3s ease,
        transform 0.3s ease; /* Animation: slide away */
}
[dir="rtl"]:not(.js) .page-wrapper,
[dir="rtl"].js:not(.sidebar-resizing) .page-wrapper {
    transition:
        margin-right 0.3s ease,
        transform 0.3s ease; /* Animation: slide away */
}

.content {
    overflow-y: auto;
    padding: 0 5px 50px 5px;
}
.content main {
    margin-inline-start: auto;
    margin-inline-end: auto;
    max-width: var(--content-max-width);
}
.content p {
    line-height: 1.45em;
}
.content ol {
    line-height: 1.45em;
}
.content ul {
    line-height: 1.45em;
}
.content a {
    text-decoration: none;
}
.content a:hover {
    text-decoration: underline;
}
.content img,
.content video {
    max-width: 100%;
}
.content .header:link,
.content .header:visited {
    color: var(--fg);
}
.content .header:link,
.content .header:visited:hover {
    text-decoration: none;
}

/* ─────────────────────────────────────────────────────────────────────────────
   REFINED TABLES - Clean, modern styling
   ───────────────────────────────────────────────────────────────────────────── */

table {
    margin: 2em auto;
    border-collapse: collapse;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

table td {
    padding: 10px 16px;
    border: none;
    border-bottom: 1px solid var(--table-border-color);
}

table thead {
    background: var(--table-header-bg);
}

table thead td,
table thead th {
    font-weight: 600;
    border: 1px solid #044563;
    padding: 12px 16px;
    text-align: left;
    letter-spacing: 0.02em;
}

table thead tr {
    border-bottom: 1px solid #044563;
}

/* Hover effect for better readability */
table tbody tr:hover {
    background: var(--quote-bg);
    transition: background-color 0.15s ease;
}

table tbody td {
    border: 1px solid #044563;
}

/* ─────────────────────────────────────────────────────────────────────────────
   REFINED BLOCKQUOTES
   ───────────────────────────────────────────────────────────────────────────── */

blockquote {
    margin: 2em 0;
    padding: 1em 1.5em;
    color: var(--fg);
    background-color: var(--quote-bg);
    border-left: 4px solid var(--quote-border);
    border-block-start: none;
    border-block-end: none;
    border-radius: 0 4px 4px 0;
    font-style: italic;
}

blockquote p:first-child {
    margin-top: 0;
}

blockquote p:last-child {
    margin-bottom: 0;
}

/* ─────────────────────────────────────────────────────────────────────────────
   REFINED WARNING BOXES
   ───────────────────────────────────────────────────────────────────────────── */

.warning {
    margin: 2em 0;
    padding: 1em 1.5em 1em 3.5rem;
    border-left: 4px solid var(--warning-border);
    background-color: rgba(250, 189, 0, 0.05);
    border-radius: 4px;
    position: relative;
}

.warning:before {
    position: absolute;
    width: 2rem;
    height: 2rem;
    margin-inline-start: -2.8rem;
    content: "ⓘ";
    text-align: center;
    background-color: transparent;
    color: var(--warning-border);
    font-weight: 600;
    font-size: 1.8rem;
    line-height: 2rem;
}

blockquote .warning:before {
    background-color: transparent;
}

/* ─────────────────────────────────────────────────────────────────────────────
   REFINED KEYBOARD KEYS
   ───────────────────────────────────────────────────────────────────────────── */

kbd {
    background-color: var(--table-border-color);
    border-radius: 4px;
    border: solid 1px var(--theme-popup-border);
    box-shadow:
        0 1px 2px rgba(0, 0, 0, 0.1),
        inset 0 -1px 0 var(--theme-hover);
    display: inline-block;
    font-size: var(--code-font-size);
    font-family: var(--mono-font);
    line-height: 10px;
    padding: 4px 6px;
    vertical-align: middle;
}

/* ─────────────────────────────────────────────────────────────────────────────
   REFINED FOOTNOTES
   ───────────────────────────────────────────────────────────────────────────── */

sup {
    /* Set the line-height for superscript and footnote references so that there
       isn't an awkward space appearing above lines that contain the footnote.

       See https://github.com/rust-lang/mdBook/pull/2443#discussion_r1813773583
       for an explanation.
    */
    line-height: 0;
}

.footnote-definition {
    font-size: 0.9em;
    padding: 0.8em 0;
    border-top: 1px solid var(--table-border-color);
}

/* The default spacing for a list is a little too large. */
.footnote-definition ul,
.footnote-definition ol {
    padding-left: 20px;
}

.footnote-definition > li {
    /* Required to position the ::before target */
    position: relative;
}

.footnote-definition > li:target {
    scroll-margin-top: 50vh;
}

.footnote-reference:target {
    scroll-margin-top: 50vh;
}

/* Draws a border around the footnote (including the marker) when it is selected. */
.footnote-definition > li:target::before {
    border: 2px solid var(--footnote-highlight);
    border-radius: 6px;
    position: absolute;
    top: -8px;
    right: -8px;
    bottom: -8px;
    left: -32px;
    pointer-events: none;
    content: "";
}

/* Pulses the footnote reference so you can quickly see where you left off reading. */
@media not (prefers-reduced-motion) {
    .footnote-reference:target {
        animation: fn-highlight 0.8s;
        border-radius: 2px;
    }

    @keyframes fn-highlight {
        from {
            background-color: var(--footnote-highlight);
        }
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   TOOLTIPS
   ───────────────────────────────────────────────────────────────────────────── */

.tooltiptext {
    position: absolute;
    visibility: hidden;
    color: #fff;
    background-color: #333;
    transform: translateX(
        -50%
    ); /* Center by moving tooltip 50% of its width left */
    left: -8px; /* Half of the width of the icon */
    top: -35px;
    font-size: 0.8em;
    text-align: center;
    border-radius: 6px;
    padding: 5px 8px;
    margin: 5px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.tooltipped .tooltiptext {
    visibility: visible;
}

/* ─────────────────────────────────────────────────────────────────────────────
   CHAPTER NAVIGATION
   ───────────────────────────────────────────────────────────────────────────── */

.chapter li.part-title {
    color: var(--sidebar-fg);
    margin: 5px 0px;
    font-weight: bold;
}

.result-no-output {
    font-style: italic;
    opacity: 0.7;
}