.section-page { max-width: 1040px; margin: 0 auto; color: var(--ink); padding: 12px 0 32px; }
.section-page :where(h1) { margin: 0; font-size: clamp(28px, 4vw, 46px); line-height: 1.3; }
.section-page :where(h2) { margin: 0; font-size: clamp(23px, 3vw, 32px); line-height: 1.4; }
.section-page :where(h3) { margin: 0; font-size: clamp(20px, 2.5vw, 26px); }
.section-page :where(a) { color: inherit; text-decoration: none; }
.section-page :where(a:hover) { text-decoration: none; }
.section-page :is(a, button):focus-visible, .article-switcher button:focus-visible { outline: 2px solid currentColor; outline-offset: 5px; border-radius: 5px; }
.section-page :where(p) { line-height: 1.8; white-space: pre-wrap; }
.category-entries { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 3vw, 32px); padding: 28px 8px 32px; }
.category-entry { border-radius: 28px; box-shadow: none; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; padding: 28px 24px; transition: transform .25s ease; }
.category-entry:first-child { transform: rotate(-3deg); }
.category-entry:last-child { transform: rotate(3deg); }
.category-entry:hover { transform: translateY(-6px); text-decoration: none !important; }
.category-entry svg { width: 36px; height: 36px; }
.category-entry h1 { font-size: clamp(21px, 2.6vw, 32px); white-space: nowrap; }
.category-entry span, .section-article-link small, .contribution-source, .explore-entry time { color: var(--muted); font-size: 14px; }
.random-reading { margin: 32px 0 48px; padding: 28px 32px; border-radius: 28px; box-shadow: none; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.section-text-action { display: inline-flex; align-items: center; gap: 12px; padding: 11px 20px; min-height: 44px; border: 1px solid var(--glass-edge); border-radius: 999px; background: rgba(255,255,255,.34); color: inherit; font: inherit; font-size: 18px; cursor: pointer; text-underline-offset: 5px; }
.section-page .section-text-action:where(:not([data-liquid-glass])):hover { background: rgba(255,255,255,.58); text-decoration: none; }
.section-text-action[hidden] { display: none; }
.section-text-action { transition: background .18s ease, transform .18s ease; }
.section-text-action:active { transform: scale(.97); }
.blog-view .section-text-action { transition: none; -webkit-tap-highlight-color: transparent; }
.blog-view .section-text-action:active { transform: none; }
.section-text-action svg, .section-heading-link svg, .project-arrow svg, .section-links svg, .explore-archive svg { width: 22px; height: 22px; flex-shrink: 0; vertical-align: middle; }
.section-status { min-height: 1.5em; font-size: 14px; }
.random-reading .section-status:empty { display: none; }
.section-page .section-module-title { margin: 0 0 clamp(28px, 4vw, 44px); text-align: center; font-size: clamp(28px, 3.5vw, 40px); }
.projects-overview { margin-top: clamp(48px, 6vw, 80px); }
.featured-entries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.section-article-link { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; padding: 28px; border-radius: 28px; box-shadow: none; }
.section-article-link small { overflow-wrap: anywhere; }
.section-article-link .section-text-action { margin-top: auto; }
.section-article-link p { margin: 10px 0; }
.section-back { border-radius: 999px; border: 1px solid var(--glass-edge); background: rgba(255,255,255,.35); padding: 8px 16px; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; margin-bottom: 32px; }
.section-back svg { width: 22px; height: 22px; }
.section-heading-link { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.section-heading-link > span { font-size: 32px; }
.contribution-summary { margin: 24px 0 18px; }
.contribution-summary strong { font-size: 26px; font-variant-numeric: tabular-nums; }
.heatmap-scroll { max-width: 100%; overflow-x: auto; padding: 4px 0; }
.contribution-grid { display: block; overflow: visible; }
.contribution-grid text { fill: currentColor; font: 10px sans-serif; }
.contribution-grid rect { fill: var(--ink); fill-opacity: .07; }
.contribution-grid rect[data-level="1"] { fill-opacity: .24; }
.contribution-grid rect[data-level="2"] { fill-opacity: .43; }
.contribution-grid rect[data-level="3"] { fill-opacity: .65; }
.contribution-grid rect[data-level="4"] { fill-opacity: .9; }
.contribution-grid rect:focus { outline: 2px solid currentColor; outline-offset: 1px; }
.contribution-source { line-height: 1.8; }
.contribution-source a { text-decoration: underline; }
.project-entries { margin-top: 24px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.project-entry { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; padding: 28px; border-radius: 28px; box-shadow: none; }
.project-entry .section-text-action { margin-top: auto; }
.project-entry > div { display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px 20px; }
.project-entry > div > span { font-size: 13px; color: var(--muted); }
.project-entry p { margin: 16px 0 0; }
.project-arrow { position: absolute; right: 0; top: 26px; font-size: 24px; }
.section-detail-heading { display: flex; align-items: baseline; flex-wrap: wrap; gap: 16px 24px; }
.section-description { margin-top: 32px; font-size: 20px; }
.section-links { display: flex; flex-wrap: wrap; gap: 24px; margin: 36px 0; }
.section-links .section-text-action { text-decoration: none; }
.section-prose { font-size: 18px; line-height: 1.9; overflow-wrap: anywhere; }
.section-prose img { max-width: 100%; height: auto; }
.section-prose pre { max-width: 100%; overflow: auto; padding: 16px 0; }
.section-prose a:not(.section-text-action) { text-decoration: underline; text-underline-offset: 4px; }
.section-prose table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.section-prose :is(td, th) { padding: 8px 16px; border-bottom: 1px solid currentColor; }
.project-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 36px; }
.project-tool { position: relative; display: grid; place-items: center; width: 48px; height: 48px; flex-shrink: 0; border: 1px solid var(--glass-edge); border-radius: 50%; overflow: hidden; transition: transform .18s ease; }
.project-tool svg { width: 23px; height: 23px; }
.project-tool.project-source { display: inline-flex; width: auto; gap: 10px; padding: 0 18px; border-radius: 999px; font-size: 14px; white-space: nowrap; }
.project-tool:active { transform: scale(.94); }
.project-detail .section-detail-heading > span { color: var(--muted); font-size: 14px; }
.project-detail .section-description { margin: 16px 0 40px; color: var(--muted); font-size: 18px; }
.project-layout { display: grid; grid-template-columns: minmax(0, 1fr) 288px; gap: 48px; align-items: start; }
.project-readme, .project-updates, .project-updates section { min-width: 0; }
.project-updates { font-size: 14px; overflow-wrap: anywhere; }
.project-updates h2 { font-size: 17px; font-weight: 600; margin-bottom: 20px; }
.project-updates svg { width: 18px; height: 18px; flex-shrink: 0; }
.project-release { padding-bottom: 24px; margin-bottom: 28px; border-bottom: 1px solid rgba(26,27,33,.16); }
.project-release h2 a { display: inline-flex; align-items: center; gap: 6px; }
.project-release-latest { display: flex; align-items: flex-start; gap: 10px; }
.project-release-latest > svg { margin-top: 4px; }
.project-release-latest > div { min-width: 0; }
.project-version { display: inline; font-size: 16px; font-weight: 600; line-height: 1.6; }
.project-latest-label { display: inline-block; vertical-align: 1px; margin-left: 8px; padding: 0 7px; border: 1px solid currentColor; border-radius: 999px; color: #245c38; font-size: 11px; line-height: 19px; }
.project-release time { display: block; color: var(--muted); margin-top: 4px; font-size: 12px; font-variant-numeric: tabular-nums; }
.project-other-releases { display: grid; gap: 12px; margin: 20px 0 0 28px; }
.project-other-releases a { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.project-other-releases svg { width: 14px; height: 14px; }
.project-releases-link { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; margin: 8px 0 -8px 28px; font-size: 12px; }
.project-commits-toggle { display: none; }
.project-commit-day + .project-commit-day { margin-top: 24px; }
.project-commit-day h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 12px; font-weight: 400; color: var(--muted); font-variant-numeric: tabular-nums; }
.project-commit-day ol { list-style: none; padding: 0 0 0 28px; margin: 0; }
.project-commit { padding: 12px 0 8px; border-bottom: 1px solid rgba(26,27,33,.12); }
.project-commit:last-child { border-bottom: 0; }
.project-commit-title { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; line-height: 1.65; font-size: 14px; font-weight: 500; }
.project-commit-meta { display: grid; grid-template-columns: minmax(0, 1fr) 36px; align-items: center; margin-top: 2px; min-height: 32px; }
.project-commit-sha { font-family: "MyBlog Code Latin", monospace; font-size: 11px; color: var(--muted); padding-block: 8px; }
.project-commit-body { display: contents; }
.project-commit-body summary { display: grid; place-items: center; width: 44px; height: 44px; margin: -6px -8px -6px 0; border-radius: 50%; cursor: pointer; list-style: none; color: var(--muted); }
.project-commit-body summary::-webkit-details-marker { display: none; }
.project-commit-body summary:hover { background: rgba(249,249,255,.24); }
.project-commit-body summary { grid-column: 2; grid-row: 1; }
.project-commit-body p { grid-column: 1 / -1; margin: 8px 0; font-size: 13px; white-space: pre-wrap; color: var(--muted); }
.project-commit-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.project-capsule { display: inline-flex; align-items: center; justify-content: center; gap: 8px; position: relative; min-height: 44px; padding: 0 16px; border: 1px solid var(--glass-edge); border-radius: 999px; overflow: hidden; color: var(--ink); font: inherit; font-size: 12px; cursor: pointer; }
.project-capsule svg { width: 15px; height: 15px; }
.project-updates a:not(.project-capsule):hover { text-decoration: underline; text-underline-offset: 4px; }
.project-capsule:active { transform: scale(.97); }
.project-detail summary:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }
.project-data-status { font-size: 13px; color: var(--muted); margin: 12px 0; }
@media (max-width: 1199px) {
  .project-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .project-updates { grid-row: 1; }
  .project-release { margin-bottom: 20px; }
  .project-commits-heading { display: none; }
  .project-commits-toggle { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; min-height: 44px; padding: 8px 0; border: 0; background: transparent; font: inherit; font-size: 15px; color: var(--ink); cursor: pointer; }
  .project-commits-toggle svg { width: 20px; height: 20px; }
  .project-commits-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }
  .project-commits-content:not([hidden]) { margin-top: 18px; }
}
@media (max-width: 760px) {
  .project-toolbar { margin-bottom: 28px; }
  .project-detail .section-description { margin-bottom: 24px; font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { .project-tool { transition: none; } }
@media (prefers-contrast: more), (forced-colors: active) {
  .project-release, .project-commit { border-color: currentColor; }
  .project-latest-label { color: inherit; }
}
@media print { .project-toolbar, .project-updates { display: none; } .project-layout { display: block; } }
.explore-entry { min-width: 0; padding: 32px; border-radius: 32px; box-shadow: none; }

.explore-entry time { display: block; margin: 14px 0 24px; }
.explore-text { max-width: 760px; font-size: 20px; margin: 24px 0; }
.explore-image { display: block; max-width: 100%; max-height: 620px; height: auto; margin: 24px 0; }
.explore-feed { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
@media (min-width: 761px) { .explore-feed > .explore-entry { min-height: 190px; } }
.explore-color-feature { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; align-items: start; padding: 32px; }
.color-feature-copy h2 { font-size: clamp(26px, 3vw, 32px); margin: 8px 0 0; }
.explore-type { color: var(--muted); font-size: 13px; }
.explore-color-preview { display: grid; grid-template-columns: repeat(16, minmax(0, 1fr)); gap: 4px; height: 40px; min-width: 0; padding: 0; border-radius: 0; background: transparent; }
.explore-color-preview i { display: block; height: 100%; border-radius: 4px; }
.explore-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.explore-filters button { padding: 10px 20px; min-height: 44px; border-radius: 999px; border: 1px solid var(--glass-edge); background: rgba(255,255,255,.2); color: var(--ink); font-size: 15px; }
.explore-filters button[aria-pressed="true"] { background: rgba(255,255,255,.55); font-weight: 600; }
.activity-preview { padding: 32px; border-radius: 32px; box-shadow: none; }
.section-detail-surface { padding: clamp(24px, 4vw, 48px); border-radius: 32px; box-shadow: none; }
.section-detail-surface .explore-entry { border: 0; box-shadow: none; background: transparent; backdrop-filter: none; padding: 0; }
.contribution-meta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--muted); margin-top: 12px; }
.contribution-legend { display: flex; align-items: center; gap: 4px; }
.contribution-legend i { width: 12px; height: 12px; border-radius: 3px; background: var(--ink); opacity: .07; }
.contribution-legend i[data-level="1"] { opacity: .24; }
.contribution-legend i[data-level="2"] { opacity: .43; }
.contribution-legend i[data-level="3"] { opacity: .65; }
.contribution-legend i[data-level="4"] { opacity: .9; }
.contribution-source { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.contribution-source a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--glass-edge); background: rgba(255,255,255,.3); text-decoration: none; min-height: 44px; }
.contribution-source a svg { width: 16px; height: 16px; }
.contribution-tooltip { position: fixed; z-index: 100; padding: 12px 18px; border-radius: 999px; pointer-events: none; white-space: nowrap; color: var(--ink); font-size: 14px; }
.contribution-tooltip[hidden] { display: none; }
.contribution-grid rect { cursor: pointer; }
.contribution-grid rect:hover { stroke: var(--ink); stroke-width: 1; }
.explore-archive { display: inline-block; margin-top: 24px; padding: 12px 0; }
.changelog-heading { display: flex; align-items: center; gap: 16px; margin-bottom: clamp(32px, 5vw, 56px); }
.changelog-heading h1 { margin: 0; min-width: 0; }
.changelog-back.section-back { display: grid; place-items: center; flex: 0 0 44px; width: 44px; height: 44px; min-height: 44px; margin: 0; padding: 0; border-radius: 50%; color: var(--ink); }
.changelog-back svg { display: block; width: 24px; height: 24px; }
.changelog-back.section-back:focus-visible { border-radius: 50%; }
.changelog-timeline { max-width: 860px; }
.changelog-days { margin: 0; }
.changelog-entry { cursor: default; }
.changelog-entry p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.9; }
.changelog-timeline .changelog-entry:hover h3 { color: inherit; }
.article-switcher { position: fixed; top: 24px; left: 24px; z-index: 45; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); width: min(432px, calc(100vw - 48px)); padding: 5px; border: 1px solid rgba(255,255,255,.65); border-radius: 999px; background: rgba(249,249,255,.35); backdrop-filter: blur(20px); touch-action: pan-y; }
.article-switcher[hidden] { display: none; }
.article-switcher button { border: 0; border-radius: 999px; background: transparent; cursor: pointer; font: inherit; padding: 0 4px; z-index: 1; display: flex; justify-content: center; align-items: center; min-height: 44px; font-size: 15px; white-space: nowrap; color: var(--ink); text-decoration: none; }
.article-switcher button[aria-selected="true"] { font-weight: 700; }
.article-switcher-indicator { position: absolute; top: 5px; bottom: 5px; left: 5px; width: calc((100% - 10px) / 3); border-radius: inherit; background: rgba(255,255,255,.42); border: 1px solid rgba(255,255,255,.8); transform: translateX(calc(var(--category-index, 0) * 100%)); transition: transform .3s cubic-bezier(.2,.8,.2,1); }
body.course-page .sidebar { padding-top: 80px; }
body.course-page .sidebar-heading { display: none; }
@media (min-width: 1201px) {
  .article-switcher { width: 280px; }
  .article-switcher button { font-size: 14px; }
  body.course-page .sidebar-heading .brand { display: none; }
}
@media (max-width: 1200px) {
  .article-switcher { left: 12px; top: calc(12px + env(safe-area-inset-top, 0px)); width: min(432px, calc(100vw - 24px)); }
  body.course-page .sidebar { padding-top: 12px; }
  body.course-page .main-stage { padding-top: calc(12px + env(safe-area-inset-top, 0px)); }
  body.course-page :is(.mobile-directory-toggle, .mobile-outline-toggle) { top: calc(12px + env(safe-area-inset-top, 0px)); }
}
@media (max-width: 760px) {
  .section-page { padding-top: 0; }
  .changelog-heading { margin-bottom: 28px; }
  .category-entries { gap: 14px; padding-inline: 4px; }
  .category-entry { padding: 22px; }
  .featured-entries, .explore-feed { grid-template-columns: 1fr; }
  .explore-color-feature { grid-template-columns: 1fr; gap: 10px; padding: 24px; }
  .explore-entry, .activity-preview { padding: 24px; }
  .random-reading { padding: 24px; }
  .explore-color-preview { padding: 0; }
  .category-entry { gap: 12px; }
  .category-entry h1 { font-size: clamp(16px, 3.7vw, 24px); }
  .category-entry svg { width: 28px; height: 28px; }
  .category-entry span { font-size: 12px; }
  .random-reading { margin-top: 28px; }
  .project-entries { grid-template-columns: 1fr; gap: 20px; }
  .article-switcher { left: 12px; top: calc(12px + env(safe-area-inset-top, 0px)); width: calc(100vw - 24px); }
  .article-switcher button { font-size: 14px; }
  body.course-page .sidebar { padding-top: 12px; }
  body.course-page .main-stage { padding-top: calc(12px + env(safe-area-inset-top, 0px)); }
  body.course-page :is(.mobile-directory-toggle, .mobile-outline-toggle) { top: calc(12px + env(safe-area-inset-top, 0px)); }
}
@media (prefers-reduced-motion: reduce) { .category-entry, .article-switcher-indicator { transition: none; } }
@media (prefers-contrast: more) { .article-switcher { background: var(--surface); border-color: currentColor; } .article-switcher-indicator { border-color: currentColor; } }
@media (forced-colors: active) {
  .article-switcher { background: Canvas; border-color: CanvasText; }
  .article-switcher button { color: CanvasText; }
  .article-switcher-indicator { background: Canvas; border-color: Highlight; }
  .contribution-grid rect { fill: CanvasText; stroke: CanvasText; }
  .contribution-grid rect[data-level="0"] { fill: Canvas; }
  .explore-color-preview i { border: 1px solid CanvasText; }
  .section-text-action, .explore-filters button { background: Canvas; color: ButtonText; border-color: ButtonText; }
}

@media (max-width: 560px) {
  .category-entries { grid-template-columns: 1fr; gap: 18px; padding-top: 12px; }
  .category-entry { display: grid; grid-template-columns: 36px 1fr auto; align-items: center; gap: 10px 16px; transform: none !important; padding: 20px; }
  .category-entry > svg { grid-column: 1; grid-row: 1 / 3; }
  .category-entry h1 { grid-column: 2; grid-row: 1; font-size: 22px; }
  .category-entry > span { grid-column: 2; grid-row: 2; font-size: 12px; }
  .category-entry .section-text-action { grid-column: 3; grid-row: 1 / 3; padding: 10px 14px; font-size: 14px; }
  .category-entry .section-text-action svg { display: none; }
  .section-page :where(h2) { font-size: 24px; }
  .random-reading h2 { font-size: 22px; }
  .contribution-tooltip { font-size: 12px; padding: 10px 14px; }
}

.section-text-action, .contribution-source a, .article-switcher button, .explore-filters button { position: relative; overflow: hidden; isolation: isolate; }
.section-article-link { transition: background .18s ease; cursor: pointer; }
.section-text-action, .contribution-source a { font-size: 15px; line-height: 1.4; color: var(--ink); background: var(--glass-highlight), rgba(249,249,255,.25); border: 1px solid var(--glass-edge); box-shadow: none; -webkit-backdrop-filter: blur(12px) saturate(130%); backdrop-filter: blur(12px) saturate(130%); }
@media (prefers-contrast: more) {
  .section-text-action, .contribution-source a { background: var(--surface); border-color: currentColor; backdrop-filter: none; }
}
@media (forced-colors: active) {
  .section-text-action, .contribution-source a { background: Canvas; color: ButtonText; border-color: ButtonText; backdrop-filter: none; }
}

.section-page :is(.section-text-action, .category-entry, .project-entry, .explore-entry, .section-article-link):is(:link, :visited, :hover, :focus-visible, :active) { text-decoration: none; }
.section-page a:is(.category-entry, .project-entry, .explore-entry) { cursor: pointer; transition: background .18s ease, transform .25s ease; }
.section-page a.explore-entry:where(:not([data-liquid-glass])):hover { background: var(--glass-highlight), rgba(249,249,255,.52); }
.section-page :is(a, button):focus-visible { border-radius: 28px; }
.section-page .section-text-action:focus-visible { border-radius: 999px; }
.contribution-meta { justify-content: flex-end; }

.section-page a:is(.category-entry, .project-entry, .explore-entry, .section-article-link) { position: relative; overflow: hidden; isolation: isolate; }
@media (prefers-reduced-motion: reduce) { .section-page a:is(.category-entry, .project-entry, .explore-entry) { transition: none; } }

.article-timeline { display: grid; grid-template-columns: 168px minmax(0, 1fr); gap: 40px; margin-top: 72px; }
.timeline-years { display: grid; align-content: start; gap: 8px; position: sticky; top: 24px; align-self: start; }
.timeline-year.section-text-action { justify-content: space-between; font-size: 14px; min-width: 0; background: transparent; border-color: transparent; backdrop-filter: none; }
.timeline-year small { color: var(--muted); font-size: 12px; }
.timeline-months { display: flex; gap: 8px; overflow-x: auto; padding: 0 0 16px; border-bottom: 1px solid color-mix(in srgb, var(--theme-deep) 22%, transparent); }
.timeline-months .section-text-action { flex: 0 0 auto; font-size: 14px; padding: 8px 16px; }
.article-timeline button[aria-pressed="true"] { border-color: var(--glass-edge); font-weight: 650; }
.article-timeline button[aria-pressed="true"]:not([data-liquid-glass]) { background: rgba(249,249,255,.5); }
.blog-view .article-timeline button[aria-pressed="false"] { background: transparent; border-color: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
.timeline-main { min-width: 0; }
.timeline-summary { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 13px; margin: 24px 0 36px; }
.timeline-days, .timeline-day-entries { list-style: none; padding: 0; margin: 0; }
.timeline-day { display: grid; grid-template-columns: 86px minmax(0, 1fr); gap: 24px; }
.timeline-date { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; color: var(--muted); font-size: 12px; padding-top: 2px; }
.timeline-date strong { color: var(--theme-deep); font-size: 44px; font-style: normal; font-weight: 500; line-height: 1.1; }
.timeline-date small { font-size: 11px; }
.timeline-day-entries { position: relative; min-width: 0; border-left: 1px solid color-mix(in srgb, var(--theme-deep) 28%, transparent); padding: 0 0 32px 28px; }
.timeline-day-entries::before { content: ""; position: absolute; left: -5px; top: 12px; width: 9px; height: 9px; border: 1px solid var(--theme-deep); border-radius: 50%; background: var(--background-b); }
.timeline-entry { display: flex; flex-direction: column; gap: 12px; min-height: 88px; padding: 8px 0 24px; margin-bottom: 20px; border-bottom: 1px solid color-mix(in srgb, var(--theme-deep) 18%, transparent); overflow-wrap: anywhere; }
.timeline-entry small { color: var(--muted); font-size: 12px; line-height: 1.7; }
.timeline-entry:hover h3 { color: var(--theme-deep); }
.timeline-more { margin: 0 0 24px 138px; }
@media (max-width: 760px) {
  .article-timeline { grid-template-columns: minmax(0, 1fr); gap: 24px; margin-top: 48px; }
  .timeline-years { position: static; display: flex; gap: 8px; overflow-x: auto; padding: 4px; }
  .timeline-year.section-text-action { flex: 0 0 auto; gap: 12px; }
  .timeline-summary { margin: 20px 0 28px; }
  .timeline-day { grid-template-columns: 60px minmax(0, 1fr); gap: 16px; }
  .timeline-date strong { font-size: 38px; }
  .timeline-day-entries { padding-left: 20px; }
  .timeline-more { margin-left: 96px; }
  .timeline-entry h3 { font-size: 20px; }
}
@media (prefers-contrast: more) {
  .timeline-months, .timeline-day-entries, .timeline-entry { border-color: currentColor; }
  .timeline-date, .timeline-summary, .timeline-entry small, .changelog-entry p { color: var(--ink); }
}
@media (forced-colors: active) {
  .timeline-months, .timeline-day-entries, .timeline-entry { border-color: CanvasText; }
  .timeline-day-entries::before { background: Canvas; border-color: CanvasText; }
  .timeline-date, .timeline-date strong, .timeline-summary, .timeline-entry small, .changelog-entry p { color: CanvasText; }
  .article-timeline button[aria-pressed="true"] { outline: 1px solid Highlight; background: Canvas; }
}

@media (max-width: 1200px) {
  body.course-page .sidebar.mobile-directory-panel { padding: 12px; }
  .mobile-directory-panel .article-switcher { position: static; flex: 0 0 auto; width: 100%; margin: 0 0 6px; z-index: auto; }
  .mobile-directory-panel .article-switcher button { font-size: 14px; }
}

.home-view .interactive-card, .section-page a.interactive-card {
  border-radius: 28px;
  cursor: pointer;
  transform: translateY(0) scale(1);
  transition: transform 240ms cubic-bezier(.2,.8,.2,1), background-color 240ms ease, border-color 240ms ease, box-shadow 240ms ease;
  -webkit-tap-highlight-color: transparent;
}
@media (hover: hover) and (pointer: fine) {
  .home-view .interactive-card:hover, .section-page a.interactive-card:hover {
    transform: translateY(-4px);
  }
  .home-view .interactive-card:where(:not([data-liquid-glass])):hover, .section-page a.interactive-card:where(:not([data-liquid-glass])):hover {
    background-color: rgba(249,249,255,.54);
    border-color: rgba(255,255,255,.92);
    box-shadow: 0 12px 28px rgba(20,33,43,.10), inset 0 1px 0 rgba(255,255,255,.8);
  }
}
.home-view .interactive-card:active, .section-page a.interactive-card:active { transform: translateY(-1px) scale(.985); }
.home-view .interactive-card:focus-visible, .section-page a.interactive-card:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
  .home-view .interactive-card, .section-page a.interactive-card { transition: none; }
  .home-view .interactive-card:is(:hover, :active), .section-page a.interactive-card:is(:hover, :active) { transform: none; }
}
@media (forced-colors: active) {
  .home-view .interactive-card, .section-page a.interactive-card { background: Canvas; color: CanvasText; border-color: CanvasText; box-shadow: none; }
}