@import url("./tokens.css");

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Thin.woff2") format("woff2");
    font-weight: 100;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Light.woff2") format("woff2");
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Medium.woff2") format("woff2");
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

[hidden] {
    display: none !important;
}

:root {
    --site-ink: var(--sl-color-ink);
    --site-muted: var(--sl-color-muted);
    --site-rule: var(--sl-color-rule);
    --site-rule-strong: var(--sl-color-rule-strong);
    --site-status-concept: var(--sl-color-status-exploratory);
    --site-status-active: var(--sl-color-accent);
    --site-status-hold: var(--sl-color-status-paused);
    --site-shell-max-width: var(--sl-layout-shell-max-width);
    --site-shell-max-width-doc: var(--sl-layout-shell-max-width-doc);
    --site-shell-pad-inline: var(--sl-layout-shell-pad-inline);
    --site-shell-pad-top: var(--sl-layout-shell-pad-top);
    --site-shell-pad-bottom: var(--sl-layout-shell-pad-bottom);
    --site-shell-pad-inline-mobile: var(--sl-layout-shell-pad-inline-mobile);
    --site-shell-pad-top-mobile: var(--sl-layout-shell-pad-top-mobile);
    --site-shell-pad-bottom-mobile: var(--sl-layout-shell-pad-bottom-mobile);
    --site-layout-gap: var(--sl-layout-layout-gap);
}

html {
    font-size: 14px;
    background: var(--sl-color-paper);
    scrollbar-gutter: stable;
}

body {
    font-family: var(--sl-font-mono);
    background: var(--sl-color-paper);
    color: var(--site-ink);
    line-height: 1.6;
    padding: 0;
    max-width: none;
    min-height: 100vh;
    min-height: 100dvh;
}

a {
    color: inherit;
    font-weight: 500;
    text-decoration: underline;
    text-decoration-style: dotted;
}

p {
    margin-bottom: 1em;
}

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

.site-topnav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.site-topnav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    border: 1px solid var(--sl-color-rule-strong);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--sl-color-ink);
    line-height: 1.1;
}

.nav-link:hover {
    border-color: var(--sl-color-ink);
}

.nav-link[aria-current="page"] {
    border-style: dotted;
    border-color: var(--sl-color-ink);
}

.site-brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.logo {
    height: 20px;
    width: auto;
}

.site-brand-name {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.site-rules {
    margin: 16px 0 20px;
}

.site-rule {
    height: 1px;
    background: var(--site-rule);
}

.site-rule.strong {
    height: 2px;
    background: var(--site-rule-strong);
    margin-bottom: 1px;
}

.intro {
    font-weight: 300;
    color: var(--site-muted);
}

.site-shell {
    max-width: var(--site-shell-max-width);
    margin: 0 auto;
    padding: var(--site-shell-pad-top) var(--site-shell-pad-inline)
        var(--site-shell-pad-bottom);
}

.site-main {
    min-width: 0;
}

.site-section {
    margin-bottom: 1.5em;
}

.site-section:last-of-type {
    margin-bottom: 0;
}

.site-section-title {
    font-size: var(--sl-type-scale-section-title);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-weight: 700;
    margin-bottom: 0.75em;
}

.project {
    margin-bottom: 1em;
}

.project p {
    font-weight: 100;
}

.project-title {
    font-weight: 500;
}

.project-title-link {
    text-decoration: none;
    border-bottom: 1px dotted transparent;
}

.project-title-link:hover {
    border-bottom-color: var(--site-ink);
}

.project-status {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    margin: 0.35em 0 0.6em;
    padding: 2px 6px;
    font-size: 12px;
    line-height: 1.1;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    cursor: default;
}

.project-label-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin: 0.35em 0 0.6em;
}

.project-label-row .project-status {
    margin: 0;
}

.project-status.concept {
    border: 1px solid var(--site-status-concept);
    color: var(--site-status-concept);
}

.project-status.active {
    border: 1px solid var(--site-status-active);
    color: var(--site-status-active);
}

.project-status.active-writing {
    border: 1px solid var(--sl-color-accent-2);
    color: var(--sl-color-accent-2);
}

.project-status.hold {
    border: 1px solid var(--site-status-hold);
    color: var(--site-status-hold);
}

.project-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: -0.2em 0 0.6em;
}

.project-label-row .project-chip-row {
    margin: 0;
    flex-wrap: wrap;
}

.project-chip {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    padding: 2px 6px;
    border: 1px solid var(--site-rule-strong);
    background: var(--sl-color-paper);
    font-size: 11px;
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: default;
}

.project-chip.scope-chip {
    border-color: #556372;
    color: #556372;
}

.project-chip.activity-chip,
.addenda-chip.activity-chip {
    border-color: #7d8694;
    color: #66707f;
    font-size: 10px;
    text-transform: none;
    letter-spacing: 0.04em;
    line-height: 1.1;
    white-space: nowrap;
}

.section-lead {
    font-weight: 300;
    color: var(--site-muted);
    margin-bottom: 0.9em;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.feature-card {
    border: 1px solid var(--site-rule);
    padding: 12px;
}

.feature-title {
    font-size: var(--sl-type-scale-card-title);
    font-weight: 500;
    margin-bottom: 0.35em;
}

.feature-card p,
.resource-card p,
.addenda-list-item p {
    font-weight: 300;
    color: var(--site-muted);
    margin-bottom: 0.6em;
}

.link-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.link-row a {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.addenda-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.addenda-list-item {
    margin-bottom: 1em;
}

.addenda-list-item:last-child {
    margin-bottom: 0;
}

.addenda-title {
    font-size: var(--sl-type-scale-card-title);
    font-weight: 500;
}

.addenda-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 0.35em 0 0.6em;
}

.addenda-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    font-size: 11px;
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--site-rule-strong);
    background: var(--sl-color-paper);
    cursor: default;
}

.addenda-chip.class-tooling {
    border-color: var(--sl-color-addenda-type-tooling);
    color: var(--sl-color-addenda-type-tooling);
}

.addenda-chip.class-research {
    border-color: var(--sl-color-addenda-type-research);
    color: var(--sl-color-addenda-type-research);
}

.addenda-chip.class-dataset {
    border-color: var(--sl-color-addenda-type-dataset);
    color: var(--sl-color-addenda-type-dataset);
}

.addenda-chip.class-benchmark {
    border-color: var(--sl-color-addenda-type-benchmark);
    color: var(--sl-color-addenda-type-benchmark);
}

.addenda-chip.status-concept {
    border-color: #7d8694;
    color: #7d8694;
}

.addenda-chip.status-active {
    border-color: var(--sl-color-accent);
    color: var(--sl-color-accent);
}

.addenda-chip.status-operational {
    border-color: var(--sl-color-accent-2);
    color: var(--sl-color-accent-2);
}

.addenda-chip.status-hold {
    border-color: var(--sl-color-status-paused);
    color: var(--sl-color-status-paused);
}

.addenda-chip.status-archived {
    border-color: #7d8694;
    color: #66707f;
}

.addenda-list-item p {
    margin: 0;
    line-height: 1.45;
}

.addenda-index-link {
    margin-top: 1.35em;
}

.site-page-title {
    font-size: var(--sl-type-scale-page-title);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.55em;
}

.site-kicker {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    margin-bottom: 0.9em;
    color: var(--site-muted);
}

.project-header {
    margin-bottom: 1.1em;
}

.section-block {
    margin-bottom: 1.5em;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.resource-card {
    border: 1px solid var(--site-rule);
    padding: 10px;
}

.resource-title {
    font-size: var(--sl-type-scale-card-title);
    font-weight: 500;
    margin-bottom: 0.35em;
    overflow-wrap: anywhere;
}

.timeline {
    list-style: none;
    padding: 0;
    margin: 0;
    border-left: 1px solid var(--site-rule);
}

.timeline-item {
    margin: 0 0 0.9em 0.8em;
    padding-left: 0.7em;
    position: relative;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -1.06em;
    top: 0.48em;
    width: 6px;
    height: 6px;
    border: 1px solid var(--site-rule-strong);
    background: var(--sl-color-paper);
}

.timeline-date {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.timeline-note {
    font-weight: 300;
}

.quickstart-list {
    margin: 0 0 0.6em;
    padding-left: 1.45em;
}

.quickstart-list li {
    margin-bottom: 0.4em;
    padding-left: 0.15em;
}

.path-note {
    display: block;
    margin-top: 0.45em;
    font-size: 11px;
    color: var(--site-muted);
}

.collection-group {
    margin-bottom: 1em;
}

.collection-group:last-child {
    margin-bottom: 0;
}

.collection-title {
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 0.4em;
}

.collection-list {
    margin-left: 1.2em;
}

.collection-list li {
    margin-bottom: 0.35em;
}

.badge-line {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.badge {
    border: 1px solid var(--site-rule);
    padding: 1px 5px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--site-muted);
}

.update-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.update-card {
    border: 1px solid var(--site-rule);
    padding: 12px;
}

.update-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 0.5em;
}

.update-card-title {
    font-size: 12px;
    font-weight: 500;
    text-decoration: none;
}

.update-card-title:hover {
    text-decoration: underline;
    text-decoration-style: dotted;
}

.update-summary-line {
    font-weight: 300;
    color: var(--site-muted);
    margin-bottom: 0.4em;
}

.update-summary-line:last-child {
    margin-bottom: 0;
}

.update-meta-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 8px;
}

.update-meta-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    flex-wrap: wrap;
}

.update-meta-label {
    min-width: 12ch;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--site-muted);
}

.update-code {
    font-family: inherit;
    font-size: 12px;
}

.update-section-list {
    margin: 0;
    padding-left: 1.4em;
}

.update-section-list li {
    margin-bottom: 0.45em;
}

.update-section-list li:last-child {
    margin-bottom: 0;
}

.subtle-link {
    font-size: 11px;
}

.sitemap-tree-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px;
    align-items: start;
}

.sitemap-tree-column {
    min-width: 0;
}

.sitemap-tree,
.sitemap-tree ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sitemap-tree-root {
    position: relative;
}

.sitemap-tree-root::before,
.sitemap-tree.nested::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.95rem;
    bottom: 0.95rem;
    width: 1px;
    background: var(--site-rule);
}

.sitemap-tree li {
    position: relative;
    padding-left: 1.2rem;
    margin: 0 0 1rem;
}

.sitemap-tree li:last-child {
    margin-bottom: 0;
}

.sitemap-tree li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 1rem;
    width: 1rem;
    height: 1px;
    background: var(--site-rule);
}

.sitemap-tree.nested {
    position: relative;
    margin-top: 0.55rem;
    margin-left: 0.6rem;
}

.sitemap-tree a,
.sitemap-tree-label {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.22rem 0.68rem;
    border: 1px solid var(--site-rule);
    box-shadow: 0 1px 0 var(--sl-overlay-ink-6);
    background:
        linear-gradient(180deg, var(--sl-color-paper) 0%, rgba(11, 14, 20, 0.015) 100%);
    text-decoration: none;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.2;
    overflow-wrap: anywhere;
}

.sitemap-tree-root > li > a,
.sitemap-tree-root > li > .sitemap-tree-label {
    border-color: var(--site-rule-strong);
    box-shadow:
        inset 3px 0 0 var(--sl-color-accent-2),
        0 1px 0 var(--sl-overlay-ink-10);
    background:
        linear-gradient(180deg, rgba(255, 102, 0, 0.04) 0%, var(--sl-color-paper) 100%);
}

.sitemap-tree a:hover {
    border-color: var(--sl-color-accent);
    box-shadow:
        inset 3px 0 0 var(--sl-color-accent),
        0 1px 0 var(--sl-overlay-ink-12);
    background:
        linear-gradient(180deg, rgba(255, 102, 0, 0.06) 0%, var(--sl-color-paper) 100%);
}

@media (max-width: 900px) {
    .feature-grid,
    .resource-grid,
    .sitemap-tree-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        padding: 0;
    }

    .site-shell {
        padding: var(--site-shell-pad-top-mobile)
            var(--site-shell-pad-inline-mobile)
            var(--site-shell-pad-bottom-mobile);
    }

}