/* The blog and the change log (js/blog.js): a masthead with a switch between them; posts as a lead story and a dated list,
   filtered by kind; the change log as a timeline of releases beside an index of versions; and one post on its own. */
.blog-page{display:grid;gap:18px;padding-block:32px 64px}
#blog-list[hidden],.blog-post[hidden],.blog-page [role=tabpanel][hidden]{display:none}
.blog-page [data-tone=raspberry]{--tone:var(--raspberry)}.blog-page [data-tone=blueberry]{--tone:var(--blueberry)}.blog-page [data-tone=mint]{--tone:var(--mint)}
.blog-page [data-tone=lemon]{--tone:var(--lemon)}.blog-page [data-tone=grape]{--tone:var(--grape)}.blog-page [data-tone=slate]{--tone:var(--slate)}

/* The masthead: a big title, a line about it, and the switch between the posts and the change log */
.blog-masthead{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px 28px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.blog-masthead h1{margin:0;font:700 clamp(2.5rem,1.7rem + 3vw,4.2rem)/.95 var(--font-display);letter-spacing:-.025em}
.blog-lede{margin:10px 0 0;max-width:46ch;color:var(--muted);font-size:1.0625rem;line-height:1.5}
.blog-masthead-tools{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.blog-switch{position:relative;display:inline-grid;grid-template-columns:1fr 1fr;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--block)}
.blog-switch-thumb{position:absolute;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);border-radius:999px;background:var(--ink);transition:translate .38s cubic-bezier(.3,1.35,.5,1)}
.blog-switch[data-tab=changelog] .blog-switch-thumb{translate:100% 0}
.blog-switch [role=tab]{position:relative;z-index:1;margin:0;padding:7px 18px;border:0;background:none;color:var(--muted);font:600 .875rem var(--font-ui);white-space:nowrap;cursor:pointer;transition:color .2s}
.blog-switch [role=tab]:hover{color:var(--ink)}
.blog-switch [role=tab][aria-selected=true]{color:var(--paper)}
.blog-switch [role=tab]:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:999px}
.blog-follow{display:inline-flex;align-items:center;gap:7px}
.blog-follow.is-on{border-color:var(--accent);color:var(--accent)}

/* Filters: one kind of post at a time */
.blog-filters{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 20px}
.blog-filters[hidden]{display:none}
.blog-filter{display:inline-flex;align-items:center;gap:8px;margin:0;padding:6px 7px 6px 12px;border:1px solid var(--line);border-radius:10px;background:none;color:var(--muted);font:600 .8125rem var(--font-ui);cursor:pointer;transition:border-color .15s,color .15s,background-color .15s}
.blog-filter:hover{color:var(--ink);border-color:var(--line-2)}
.blog-filter small{min-width:22px;padding:1px 6px;border-radius:6px;background:var(--surface);color:var(--muted);font-size:.6875rem;text-align:center}
.blog-filter[aria-pressed=true]{border-color:var(--tone,var(--ink));background:color-mix(in oklab,var(--tone,var(--ink)) 10%,transparent);color:var(--ink)}
.blog-filter[aria-pressed=true] small{background:var(--tone,var(--ink));color:var(--paper)}
.blog-filter:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.blog-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;color:var(--muted);font-size:.8125rem}
.blog-kind{display:inline-flex;align-items:center;gap:6px;color:var(--tone,var(--accent));font-weight:600}
.blog-version{padding:2px 8px;border-radius:6px;background:var(--ink);color:var(--paper);font:600 .75rem var(--font-mono)}
.blog-author{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:.8125rem}
.blog-author img{flex:none;border-radius:50%;object-fit:cover}
.blog-card-link{color:var(--ink);text-decoration:none;transition:color .15s}
/* The whole story opens the post. */
.blog-card-link::after{content:"";position:absolute;inset:0;border-radius:inherit}
.blog-card-link:focus-visible{outline:none}
:is(.blog-lead,.blog-row):focus-within{outline:2px solid var(--accent);outline-offset:4px}
.blog-empty{margin-top:20px}

/* The lead story: the newest post, big */
.blog-stream{display:grid}
.blog-lead{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(20px,3.5vw,44px);align-items:center;padding-bottom:30px;border-radius:24px}
.blog-lead-media{position:relative;overflow:hidden;aspect-ratio:16/10;border-radius:24px;background:var(--surface)}
.blog-lead-cover{display:block;width:100%;height:100%;object-fit:cover;transition:scale .7s var(--ease)}
.blog-lead:hover .blog-lead-cover{scale:1.035}
.blog-lead-media.is-plain{display:grid;place-items:center;background:radial-gradient(color-mix(in oklab,var(--tone) 30%,transparent) 1.2px,transparent 1.5px) 0 0/18px 18px,color-mix(in oklab,var(--tone) 9%,var(--block));color:var(--tone)}
.blog-lead-words{display:grid;align-content:center;justify-items:start;gap:12px;min-width:0}
.blog-lead-title{margin:0;font:700 clamp(1.7rem,1.15rem + 1.9vw,2.6rem)/1.05 var(--font-display);letter-spacing:-.02em;text-wrap:balance;overflow-wrap:anywhere}
.blog-lead:hover .blog-card-link{color:var(--tone)}
.blog-lead-excerpt{max-height:6.6em;overflow:hidden;color:var(--muted);font-size:1rem;line-height:1.65;mask-image:linear-gradient(#000 55%,transparent)}
.blog-read{display:inline-flex;align-items:center;gap:6px;color:var(--tone);font-size:.875rem;font-weight:700}
.blog-read .icon{transition:translate .2s}
.blog-lead:hover .blog-read .icon{translate:4px 0}

/* Every other post: a line with its day, its words and a small cover */
.blog-stream-label{margin:6px 0 4px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font:600 .875rem var(--font-ui)}
.blog-row{position:relative;display:grid;grid-template-columns:58px minmax(0,1fr) auto;gap:20px;align-items:center;margin:0 -14px;padding:16px 14px;border-radius:18px;transition:background-color .15s}
.blog-row+.blog-row::before{content:"";position:absolute;top:0;right:14px;left:14px;border-top:1px solid var(--line)}
.blog-row:hover{background:var(--block)}
.blog-row:hover::before,.blog-row:hover+.blog-row::before{border-color:transparent}
.blog-date{display:grid;justify-items:center;gap:4px;padding:9px 0;border-radius:14px;background:color-mix(in oklab,var(--tone) 11%,transparent);line-height:1}
.blog-date b{color:var(--tone);font:700 1.6rem/1 var(--font-display)}
.blog-date span{color:var(--muted);font-size:.75rem;font-weight:600}
.blog-row-words{display:grid;gap:4px;min-width:0}
.blog-row .blog-meta time{display:none}
.blog-row-title{margin:0;font:700 1.2rem/1.25 var(--font-display);letter-spacing:-.01em;overflow-wrap:anywhere}
.blog-row:hover .blog-card-link{color:var(--tone)}
.blog-row-excerpt{max-height:3.1em;overflow:hidden;color:var(--muted);font-size:.875rem;line-height:1.55}
.blog-row-excerpt>*{display:inline}
.blog-row-excerpt>*+*::before{content:" "}
.blog-row-cover{display:block;width:150px;height:auto;aspect-ratio:3/2;border-radius:12px;object-fit:cover}

/* The change log: releases on a line, the version in view marked in the index beside them */
.blog-releases{display:grid;grid-template-columns:190px minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start;margin-top:30px}
.release-index{position:sticky;top:calc(var(--header-h) + 20px)}
.release-index-title{margin:0 0 10px;color:var(--muted);font-size:.8125rem;font-weight:600}
.release-versions{display:grid;margin:0;padding:0;border-left:1px solid var(--line);list-style:none}
.release-versions a{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-left:-1px;padding:7px 12px;border-left:2px solid transparent;color:var(--muted);font-size:.75rem;text-decoration:none;transition:color .15s,border-color .15s}
.release-versions a b{color:var(--ink);font:600 .8125rem var(--font-mono)}
.release-versions a:hover{color:var(--ink)}
.release-versions a[aria-current]{border-left-color:var(--accent);color:var(--ink)}
.release-versions a[aria-current] b{color:var(--accent)}
.release-timeline{position:relative;display:grid;gap:52px;padding-left:34px}
.release-timeline::before{content:"";position:absolute;top:12px;bottom:24px;left:7px;width:2px;border-radius:2px;background:linear-gradient(var(--accent),var(--line) 220px)}
.release{position:relative;scroll-margin-top:calc(var(--header-h) + 20px)}
.release::before{content:"";position:absolute;top:5px;left:-34px;width:16px;height:16px;box-sizing:border-box;border:3px solid var(--paper);border-radius:50%;background:var(--line-2);box-shadow:0 0 0 1px var(--line-2)}
.release:first-child::before{background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft)}
.release-head{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;color:var(--muted);font-size:.8125rem}
.release-version{padding:3px 9px;border-radius:7px;background:var(--ink);color:var(--paper);font:600 .8125rem var(--font-mono)}
.release-latest{padding:2px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:700}
.release-title{margin:10px 0 16px;font:700 clamp(1.35rem,1rem + 1.1vw,1.8rem)/1.15 var(--font-display);letter-spacing:-.015em;overflow-wrap:anywhere}
.release-title a{color:var(--ink);text-decoration:none;transition:color .15s}
.release-title a:hover{color:var(--accent)}
.blog-page .release-body{gap:12px;font-size:.9375rem}
.change-group{display:grid;gap:10px;padding:14px 16px 16px;border:1px solid var(--line);border-radius:16px;background:var(--block)}
.change-label{display:inline-flex;align-items:center;gap:6px;justify-self:start;margin:0;padding:3px 10px 3px 8px;border-radius:999px;background:color-mix(in oklab,var(--tone) 14%,transparent);color:var(--tone);font-size:.75rem;font-weight:700}
.blog-page .change-group ul{gap:7px;padding-left:0;list-style:none}
.change-group li{position:relative;padding-left:20px;line-height:1.55}
.change-group li::before{content:"";position:absolute;top:.6em;left:3px;width:7px;height:7px;border-radius:2px;background:var(--tone);rotate:45deg}
.blog-older{margin:8px 0 0;color:var(--muted);font-size:.8125rem}
.blog-older[hidden]{display:none}

/* While the posts load: the shape of the lead story and the list */
.blog-page .is-skeleton span{display:block;border-radius:12px;background:var(--surface)}
.blog-lead.is-skeleton span:nth-child(1){aspect-ratio:16/10;border-radius:24px}
.blog-lead.is-skeleton span:nth-child(2){height:150px}
.blog-row.is-skeleton{grid-template-columns:58px minmax(0,1fr)}
.blog-row.is-skeleton span:nth-child(1){height:58px;border-radius:14px}
.blog-row.is-skeleton span:nth-child(2){height:46px}

/* One post on its own, with a line along the top for how far through it you are */
.blog-post{display:grid;gap:14px;width:min(760px,100%);margin-inline:auto}
.blog-back{display:inline-flex;align-items:center;gap:6px;justify-self:start}
.blog-post-title{margin:4px 0 0;font:700 clamp(2rem,1.4rem + 2.6vw,3.2rem)/1.04 var(--font-display);letter-spacing:-.022em;text-wrap:balance;overflow-wrap:anywhere}
.blog-post-cover{display:block;width:100%;height:auto;aspect-ratio:16/9;margin-top:8px;border-radius:24px;object-fit:cover}
.blog-post-body{padding-top:6px;font-size:1.0625rem;line-height:1.75}
.blog-post-link{display:inline-flex;align-items:center;gap:7px;justify-self:start}
.blog-progress{position:fixed;top:0;right:0;left:0;z-index:300;height:3px;pointer-events:none;opacity:0;transition:opacity .2s}
.blog-progress.on{opacity:1}
.blog-progress span{display:block;height:100%;background:var(--accent);transform-origin:0 50%;scale:0 1}

/* A post's formatting (js/announcement-view.js), as on the announcements page (css/management.css) */
.blog-page .md{display:grid;gap:.55em;overflow-wrap:anywhere}
.blog-page .md p,.blog-page .md ul,.blog-page .md ol,.blog-page .md blockquote{margin:0}
.blog-page .md u{text-underline-offset:2px}
.blog-page .md em{font-style:italic}
.blog-page .md strong{font-weight:700}
.blog-page .md ul,.blog-page .md ol{display:grid;gap:2px;padding-left:1.35em}
.blog-page .md blockquote{padding-left:11px;border-left:4px solid var(--line-2)}
.blog-page .md code{padding:1px 5px;border-radius:4px;background:var(--surface-2);font:500 .85em var(--font-mono)}
.blog-page .md a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.blog-page .md .md-heading{margin-top:.4em;color:var(--ink);font-weight:800;line-height:1.25}
.blog-page .md .md-h1{font-size:1.35em}.blog-page .md .md-h2{font-size:1.18em}.blog-page .md .md-h3{font-size:1.04em}
.blog-page .md .md-small{color:var(--muted);font-size:.8125em}
.blog-post-body.md{gap:.9em}

@media (max-width:820px){
  .blog-lead{grid-template-columns:minmax(0,1fr)}
  .blog-releases{grid-template-columns:minmax(0,1fr);gap:20px}
  .release-index{position:static}
  .release-index-title{display:none}
  .release-versions{display:flex;overflow-x:auto;border-left:0;border-bottom:1px solid var(--line);scrollbar-width:none}
  .release-versions a{margin:0 0 -1px;padding:8px 12px;border-left:0;border-bottom:2px solid transparent;white-space:nowrap}
  .release-versions a[aria-current]{border-bottom-color:var(--accent)}
}
@media (max-width:560px){
  .blog-masthead-tools,.blog-switch{width:100%}
  .blog-row{grid-template-columns:48px minmax(0,1fr);gap:14px}
  .blog-date b{font-size:1.35rem}
  .blog-row-cover{display:none}
  .release-timeline{padding-left:26px}
  .release::before{left:-26px;width:14px;height:14px}
  .release-timeline::before{left:6px}
}
@media (prefers-reduced-motion:reduce){
  .blog-switch-thumb,.blog-lead-cover,.blog-read .icon,.blog-row,.blog-filter,.blog-card-link{transition:none}
}