/* artifactize docs: brand restyle of mdBook 0.5's chrome and content.
   Colors come from css/variables.css; fonts from /fonts/fonts.css. */

/* ---------- Base ---------- */

html {
    font-family: var(--sans-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-size: 1.6rem;
    font-feature-settings: "ss01", "cv11";
}

::selection {
    background: var(--accent-soft);
}

:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ---------- Menu bar ---------- */

#mdbook-menu-bar {
    align-items: center;
    min-height: var(--menu-bar-height);
    gap: 2px;
    padding: 0 8px;
    background-color: color-mix(in srgb, var(--bg) 86%, transparent);
    -webkit-backdrop-filter: saturate(140%) blur(12px);
    backdrop-filter: saturate(140%) blur(12px);
    border-block-end-color: transparent;
}

#mdbook-menu-bar.bordered {
    border-block-end-color: var(--line);
}

/* Let the left group's buttons join the bar so they can be reordered:
   [toc] [wordmark] ... [search] [theme] [Home] [print] [GitHub] */
#mdbook-menu-bar .left-buttons {
    display: contents;
}

#mdbook-sidebar-toggle { order: 1; }
#mdbook-menu-bar .az-brand { order: 2; }
#mdbook-menu-bar .menu-title { order: 3; }
#mdbook-search-toggle { order: 4; }
#mdbook-theme-toggle { order: 5; }
#mdbook-menu-bar .right-buttons { order: 6; }

#mdbook-menu-bar .icon-button,
#mdbook-menu-bar .right-buttons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border-radius: 8px;
    line-height: 1;
    color: var(--icons);
    transition: color 0.15s, background-color 0.15s;
}

#mdbook-menu-bar .icon-button:hover,
#mdbook-menu-bar .right-buttons a:hover {
    color: var(--icons-hover);
    background-color: var(--theme-hover);
}

#mdbook-menu-bar .fa-svg {
    padding: 0;
    line-height: 1;
    font-size: 1.7rem;
}

#mdbook-menu-bar .icon-button .fa-svg,
#mdbook-menu-bar .right-buttons .fa-svg {
    color: inherit;
}

.menu-title {
    flex: 1;
    align-self: stretch;
    min-width: 8px;
    cursor: default;
}

.az-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-inline-start: 6px;
    padding: 6px 8px;
    border-radius: 8px;
    color: var(--fg-strong);
    text-decoration: none;
    white-space: nowrap;
}

.az-brand:hover {
    text-decoration: none;
}

.az-mark {
    width: auto;
    height: 24px;
    flex: none;
    object-fit: contain;
}

.az-word {
    font-family: var(--heading-font);
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.035em;
}

.az-tag {
    font-family: var(--mono-font);
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--accent);
    padding: 3px 8px;
    border: 1px solid var(--accent-line);
    border-radius: 999px;
    background: var(--accent-soft);
}

.right-buttons {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
}

#mdbook-menu-bar .right-buttons a.az-link,
#mdbook-menu-bar .right-buttons a.az-github {
    gap: 8px;
    font-size: 1.45rem;
    font-weight: 500;
}

@media (max-width: 640px) {
    .az-github-label,
    .az-tag {
        display: none;
    }
}

@media (max-width: 420px) {
    #mdbook-menu-bar {
        padding: 0 4px;
    }
    #mdbook-menu-bar .icon-button,
    #mdbook-menu-bar .right-buttons a {
        min-width: 34px;
        padding: 0 6px;
    }
    .az-brand {
        margin-inline-start: 0;
        gap: 8px;
        padding: 6px 4px;
    }
    .az-word {
        font-size: 1.75rem;
    }
    #mdbook-menu-bar .print-button {
        display: none;
    }
    #mdbook-menu-bar .right-buttons a[href$="print.html"] {
        display: none;
    }
}

/* Theme popup: it opens from the right side of the bar. */
.theme-popup {
    left: auto;
    right: 120px;
    top: calc(var(--menu-bar-height) - 6px);
    min-width: 140px;
    padding: 6px;
    font-size: 1.45rem;
    border-radius: var(--radius);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.theme-popup .theme {
    padding: 6px 12px 6px 28px;
    border-radius: var(--radius-sm);
    line-height: 1.5;
}

.theme-selected::before {
    margin-inline-start: -18px;
    width: 18px;
    color: var(--accent);
}

/* ---------- Search ---------- */

#mdbook-searchbar {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 1.6rem;
    font-family: var(--sans-font);
}

#mdbook-searchbar:focus,
#mdbook-searchbar.active {
    outline: none;
    border-color: var(--accent-line);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.searchresults-outer {
    border-block-end-style: solid;
    border-block-end-color: var(--line);
}

ul#mdbook-searchresults li {
    padding: 8px 10px;
    border-radius: var(--radius-sm);
}

ul#mdbook-searchresults li a {
    font-weight: 600;
}

ul#mdbook-searchresults span.teaser {
    color: var(--fg-dim);
    line-height: 1.55;
}

/* ---------- Sidebar ---------- */

.sidebar {
    font-size: 1.45rem;
    border-inline-end: 1px solid var(--line-soft);
}

.sidebar .sidebar-scrollbox {
    padding: 18px 14px 40px;
}

.chapter {
    line-height: 1.5;
}

.chapter li.part-title {
    margin: 26px 10px 6px;
    font-family: var(--heading-font);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fg-faint);
}

.chapter li.chapter-item {
    margin-block-start: 2px;
}

.chapter li a {
    display: block;
    flex: 1;
    padding: 6px 10px;
    border-radius: 7px;
    color: var(--sidebar-fg);
    transition: color 0.12s, background-color 0.12s;
}

.chapter li a:hover {
    color: var(--fg-strong);
    background-color: var(--theme-hover);
    text-decoration: none;
}

.chapter li a.active {
    color: var(--sidebar-active);
    background-color: var(--accent-soft);
    font-weight: 600;
    box-shadow: inset 2px 0 0 var(--sidebar-active);
}

.chapter li a code {
    font-size: 0.92em;
    line-height: 1.4;
    background: none;
    border: 0;
    padding: 0;
    color: inherit;
}

.chapter .section {
    padding-inline-start: 12px;
    margin: 2px 0 4px;
}

.chapter .spacer {
    height: 1px;
    margin: 14px 10px;
}

.chapter-fold-toggle {
    padding: 6px 8px;
    border-radius: 6px;
}

/* "On this page": the headings of the current chapter. */
.on-this-page {
    margin: 4px 0 8px 14px;
    padding-inline-start: 8px;
    border-inline-start: 1px solid var(--line);
}

.chapter li.header-item {
    margin: 0;
    line-height: 1.4;
}

.chapter li.header-item a {
    padding: 4px 8px;
    font-size: 1.32rem;
    color: var(--fg-dim);
}

.chapter li.header-item a:hover {
    color: var(--fg-strong);
}

.chapter a.current-header {
    color: var(--sidebar-active);
    background: none;
    box-shadow: inset 2px 0 0 var(--sidebar-active);
    border-radius: 0 6px 6px 0;
}

.sidebar-resize-handle .sidebar-resize-indicator {
    color: var(--fg-faint);
}

/* ---------- Content ---------- */

.content {
    padding: 0 0 64px;
}

.content main {
    padding: 8px 0 0;
}

.content p,
.content ol,
.content ul {
    line-height: 1.72;
}

.content li + li {
    margin-top: 0.3em;
}

.content strong {
    color: var(--fg-strong);
    font-weight: 650;
}

.content h1,
.content h2,
.content h3,
.content h4,
.content h5 {
    font-family: var(--heading-font);
    color: var(--fg-strong);
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.content h1 {
    margin: 36px 0 20px;
    font-size: 3.6rem;
    font-weight: 700;
    letter-spacing: -0.035em;
}

.content h2 {
    margin-top: 2.4em;
    padding-top: 0.2em;
    font-size: 2.5rem;
    font-weight: 650;
}

.content h3 {
    margin-top: 2em;
    font-size: 1.95rem;
    font-weight: 650;
}

.content h4 {
    font-size: 1.7rem;
    font-weight: 650;
}

.content h1 code,
.content h2 code,
.content h3 code {
    font-size: 0.9em;
    padding: 0.05em 0.3em;
}

/* Heading anchors: no "»" marker, just a subtle hover. */
h1:target::before,
h2:target::before,
h3:target::before,
h4:target::before,
h5:target::before,
h6:target::before,
dt:target::before {
    content: none;
}

.content :target {
    scroll-margin-top: calc(var(--menu-bar-height) + 16px);
}

.content .header:link,
.content .header:visited {
    color: inherit;
}

.content .header:hover {
    text-decoration: none;
}

.content .header:hover::after {
    content: "#";
    margin-inline-start: 0.35em;
    color: var(--fg-faint);
    font-weight: 400;
}

.content a:link,
.content a:visited {
    color: var(--links);
    text-decoration: none;
    background-image: linear-gradient(currentColor, currentColor);
    background-size: 0 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
}

.content a:hover {
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.content a.header:hover,
.content a.az-pager:hover {
    text-decoration: none;
}

.content hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 3em 0;
}

/* Inline code. */
:not(pre) > code,
:not(pre) > .hljs {
    padding: 0.14em 0.4em;
    border-radius: 5px;
    background: var(--panel2);
    border: 1px solid var(--line-soft);
    color: var(--inline-code-color);
    font-size: 0.86em;
    white-space: break-spaces;
}

a > code,
a:not(pre) > .hljs {
    color: inherit;
}

:not(pre):not(a) > .hljs {
    color: var(--inline-code-color);
}

/* Code blocks. */
pre {
    margin: 1.4em 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--code-bg);
}

pre > code,
pre > code.hljs {
    padding: 16px 18px;
    border-radius: var(--radius);
    font-size: 1.36rem;
    line-height: 1.65;
    background: var(--code-bg);
    overflow-x: auto;
    tab-size: 4;
}

code {
    font-family: var(--mono-font) !important;
    font-variant-ligatures: none;
}

pre > .buttons {
    top: 8px;
    right: 8px;
    padding: 0;
}

pre > .buttons button {
    margin: 0;
    padding: 5px 6px 2px;
    border-radius: 7px;
    border-color: var(--line);
    background-color: var(--panel2);
}

pre > .buttons button.clip-button::before {
    transform: scale(0.85);
}

/* Tables. */
.table-wrapper {
    margin: 1.6em 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.content table {
    width: 100%;
    margin: 0;
    font-size: 1.42rem;
    line-height: 1.55;
    border-collapse: collapse;
}

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

.content table thead tr {
    border: 0;
}

.content table th,
.content table td {
    padding: 9px 14px;
    text-align: start;
    vertical-align: top;
    border: 0;
    border-bottom: 1px solid var(--line);
}

.content table th {
    font-family: var(--heading-font);
    font-weight: 650;
    color: var(--fg-strong);
    white-space: nowrap;
}

.content table tbody tr:last-child td {
    border-bottom: 0;
}

.content table tbody tr:nth-child(2n) {
    background: var(--table-alternate-bg);
}

.content table code {
    white-space: nowrap;
}

/* Blockquotes. */
blockquote {
    margin: 1.6em 0;
    padding: 4px 20px;
    border: 0;
    border-inline-start: 3px solid var(--line);
    border-radius: 0 var(--radius) var(--radius) 0;
    background: var(--quote-bg);
    color: var(--fg);
}

/* Admonitions (GitHub-style "> [!NOTE]" blocks). */
.blockquote-tag {
    padding: 12px 18px;
    border-inline-start-width: 3px;
    border-radius: 0 var(--radius) var(--radius) 0;
}

.blockquote-tag-note { background: color-mix(in srgb, var(--blockquote-note-color) 9%, transparent); }
.blockquote-tag-tip { background: color-mix(in srgb, var(--blockquote-tip-color) 9%, transparent); }
.blockquote-tag-important { background: color-mix(in srgb, var(--blockquote-important-color) 9%, transparent); }
.blockquote-tag-warning { background: color-mix(in srgb, var(--blockquote-warning-color) 10%, transparent); }
.blockquote-tag-caution { background: color-mix(in srgb, var(--blockquote-caution-color) 9%, transparent); }

.blockquote-tag-title {
    margin: 0 0 6px;
    font-family: var(--heading-font);
    font-size: 1.4rem;
    letter-spacing: 0.02em;
}

.blockquote-tag p {
    margin: 0.4em 0;
}

kbd {
    padding: 3px 6px;
    border-radius: 5px;
    background: var(--panel2);
    border: 1px solid var(--line);
    box-shadow: inset 0 -1px 0 var(--line);
    font-family: var(--mono-font);
    line-height: 1;
}

/* ---------- Previous / next ---------- */

.nav-wide-wrapper {
    display: none !important;
}

.nav-wrapper {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    max-width: var(--content-max-width);
    margin: 56px auto 0;
    padding-top: 28px;
    border-top: 1px solid var(--line);
}

.az-pager {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    padding: 14px 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    text-decoration: none;
    transition: border-color 0.15s, background-color 0.15s;
}

.az-pager:hover {
    border-color: var(--accent-line);
    background: var(--accent-soft);
}

.az-next {
    grid-column: 2;
    text-align: end;
    align-items: flex-end;
}

.az-pager-dir {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--fg-dim);
}

.az-pager-title {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-family: var(--heading-font);
    font-size: 1.7rem;
    font-weight: 650;
    color: var(--fg-strong);
}

@media (max-width: 520px) {
    .nav-wrapper {
        grid-template-columns: 1fr;
    }
    .az-next {
        grid-column: 1;
    }
}

/* ---------- Help popup ---------- */

#mdbook-help-popup {
    border-radius: var(--radius);
    border-color: var(--line);
    background: var(--panel);
}

/* ---------- Small screens ---------- */

@media (max-width: 620px) {
    .content h1 {
        margin-top: 24px;
        font-size: 2.9rem;
    }
    .content h2 {
        font-size: 2.2rem;
    }
    pre > code,
    pre > code.hljs {
        padding: 14px 14px;
        font-size: 1.28rem;
    }
    .content table th,
    .content table td {
        padding: 8px 10px;
    }
    .content table code {
        white-space: normal;
    }
}