:root{--paper:#f8faf9;--ink:#182f2b;--muted:#64746e;--accent:#24735d;--line:#dce5df}html{scroll-behavior:smooth;scroll-padding-top:100px}.public-site{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.public-site *{box-sizing:border-box}.public-site a{color:inherit;text-decoration:none}.public-site button{font:inherit;cursor:pointer}.public-site a:focus-visible,.public-site button:focus-visible{outline:3px solid #439e80;outline-offset:5px}.site-shell{width:min(1180px,calc(100% - 64px));margin-inline:auto}.site-header{background:rgba(248,250,249,.97);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.nav-inner{height:84px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:23px;font-weight:800;letter-spacing:-1px;display:inline-flex;align-items:center;gap:4px}.brand>span:not(.brand-icon){color:var(--accent)}.brand-icon{background:var(--ink);color:#e3f6a5;padding:7px;border-radius:9px;margin-right:8px;font-family:monospace;font-size:18px}.nav-inner nav{display:flex;gap:32px;font-size:14px;font-weight:600}.nav-inner nav a:hover{color:var(--accent)}.hero{padding-block:88px 75px;position:relative;overflow:hidden}.eyebrow,.section-label{font-size:11px;letter-spacing:1.8px;font-weight:750;color:var(--accent)}.status-dot{display:inline-block;width:7px;height:7px;background:#6a9d60;border-radius:50%;margin-right:8px}.hero h1{font-size:clamp(48px,7vw,88px);line-height:1.06;letter-spacing:-5px;font-weight:750;margin:26px 0}.hero h1 em{font-family:Georgia,serif;font-weight:400;color:var(--accent)}.hero p,.category-hero>p{font-size:17px;color:var(--muted);line-height:1.8}.primary-link{display:inline-flex;gap:35px;align-items:center;background:var(--ink);color:white!important;border-radius:7px;font-size:14px;font-weight:600;padding:15px 20px;margin-top:26px}.primary-link:hover{background:var(--accent)}.hero-code{position:absolute;right:40px;top:110px;width:300px;transform:rotate(4deg);padding:35px;border:1px solid #d6e0d4;border-radius:16px;background:#eef2e7;box-shadow:12px 12px 0 #e5ebe0;font:19px/1.9 ui-monospace,monospace;color:#526b5b}.hero-code span{color:#89957e;font-size:13px}.hero-code b{color:#a06e4b}.hero-code i{color:var(--accent)}.topics{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-block:26px 30px}.topic-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.topic-pill{display:flex;gap:16px;border:1px solid var(--line);background:white;border-radius:7px;padding:12px 17px;font-size:13px;font-weight:600}.topic-pill span{color:var(--muted)}.topic-pill:hover{border-color:var(--accent);background:#eef5ee}.articles-section{padding-block:60px 85px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:30px;gap:24px}.section-heading h2{font-size:34px;letter-spacing:-1.2px;font-weight:700;margin-top:8px}.section-heading h2 span,.category-hero h1 span{color:var(--accent)}.section-heading>p{font-size:13px;color:var(--muted)}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.article-card{padding:28px;background:white;border:1px solid var(--line);border-radius:12px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}.article-card:hover{transform:translateY(-4px);box-shadow:0 12px 28px #203c2910}.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.category-label{display:inline-block;color:var(--accent)!important;background:#edf4ed;border-radius:4px;padding:5px 9px;font-size:11px;letter-spacing:.4px;font-weight:700}.card-number{color:#aab6ad;font:12px monospace}.article-card h2{font-size:21px;line-height:1.4;letter-spacing:-.5px;font-weight:700;margin:24px 0 13px}.article-card h2 a:hover{color:var(--accent)}.article-card>p{color:var(--muted);font-size:14px;line-height:1.8;margin-bottom:28px}.card-footer{display:flex;justify-content:space-between;align-items:center;gap:8px;border-top:1px solid var(--line);padding-top:19px;margin-top:auto;font-size:11px;color:var(--muted)}.card-footer a{color:var(--accent);font-weight:700}.card-footer a span{margin-left:6px}.site-footer{border-top:1px solid var(--line);padding-block:32px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-inner p,.footer-inner>span{font-size:12px;color:var(--muted)}.category-hero{padding-top:55px}.category-hero h1{font-size:clamp(36px,5vw,60px);font-weight:750;letter-spacing:-2px;margin:20px 0}.back-link{display:block;color:var(--muted)!important;font-size:13px;margin-bottom:38px}.empty-state{padding:40px;grid-column:1/-1;border:1px dashed var(--line);border-radius:12px}.empty-state h2{font-size:24px;margin-bottom:12px}.empty-state p{color:var(--muted)}.reading-progress{position:fixed;top:84px;left:0;width:100%;height:3px;z-index:35}.reading-progress>div{height:100%;width:0;background:var(--accent)}.breadcrumbs{display:flex;gap:12px;font-size:12px;color:var(--muted);padding-block:32px;flex-wrap:wrap}.breadcrumbs a:hover{color:var(--accent)}.article-header{max-width:840px;padding:18px 0 38px}.article-header h1{font-size:clamp(35px,4.6vw,57px);font-weight:750;line-height:1.14;letter-spacing:-1.9px;margin:22px 0;overflow-wrap:anywhere}.article-excerpt{font-size:19px;line-height:1.7;color:var(--muted);max-width:760px}.article-meta{display:flex;gap:12px;align-items:center;margin-top:29px;font-size:11px;color:var(--muted);flex-wrap:wrap}.article-meta strong{display:block;font-size:12px;color:var(--ink);margin-bottom:4px}.author-avatar{border-radius:50%;background:#e4ebd8;color:var(--accent);font-size:12px;font-weight:800;width:40px;height:40px;display:grid;place-items:center}.share-button{margin-left:auto;border:1px solid var(--line);border-radius:6px;padding:10px 15px;background:white;color:var(--ink);font-size:12px!important}.reading-layout{display:grid;grid-template-columns:minmax(0,760px) minmax(0,260px);gap:75px;border-top:1px solid var(--line);padding-top:42px;padding-bottom:80px}.blog-content{font-size:17px;line-height:1.95;color:#3f514b;overflow-wrap:anywhere;min-width:0}.blog-content>*+*{margin-top:22px}.blog-content h1,.blog-content h2,.blog-content h3,.blog-content h4{color:var(--ink);font-weight:700;letter-spacing:-.6px;line-height:1.4;scroll-margin-top:115px}.blog-content h2{font-size:28px;margin-top:44px;margin-bottom:18px}.blog-content h3{font-size:22px;margin-top:30px}.blog-content>:first-child{margin-top:0}.blog-content a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}.blog-content ul,.blog-content ol{background:transparent;padding:0 0 0 25px;color:inherit}.blog-content li{padding-left:5px;margin-block:8px}.blog-content blockquote{border-left:3px solid var(--accent);padding:20px 25px;background:#edf3e9;border-radius:0 8px 8px 0;font-family:Georgia,serif;font-size:21px;color:var(--ink)}.blog-content pre{position:relative;background:#172623;border-radius:10px;padding:52px 22px 24px;overflow:auto;color:#dbe8df;line-height:1.7;font-size:13px;max-width:100%}.blog-content pre code{padding:0;background:transparent;color:inherit}.blog-content code{font: .85em ui-monospace,monospace;background:#eaf0e8;padding:3px 6px;border-radius:4px;color:#29664f}.copy-code{position:absolute;right:12px;top:12px;padding:4px 9px;border:1px solid #52625a;border-radius:5px;background:#243b33;color:#dfebe5;font-size:11px!important}.blog-content img,.blog-content video,.blog-content iframe{max-width:100%;border-radius:10px;height:auto}.blog-content iframe{width:100%;aspect-ratio:16/9}.blog-content table{display:block;overflow-x:auto;border-collapse:collapse;font-size:14px;max-width:100%}.blog-content th,.blog-content td{border:1px solid var(--line);padding:12px 16px}.blog-content th{background:#edf3e9}.blog-content hr{border:0;border-top:1px solid var(--line);margin-block:36px}.sidebar-sticky{position:sticky;top:120px}.toc-panel{padding-bottom:28px;border-bottom:1px solid var(--line)}#table-content{list-style:none;margin:18px 0 0;padding:0;border-left:1px solid var(--line)}#table-content a{display:block;padding:8px 0 8px 18px;font-size:12px;line-height:1.5;color:var(--muted);border-left:2px solid transparent;margin-left:-1px}#table-content a:hover,#table-content a[aria-current]{color:var(--accent);border-left-color:var(--accent);background:#edf4ed}.toc-subheading a{padding-left:30px!important}.recent-panel{padding-top:28px}.recent-panel>a{display:flex;justify-content:space-between;gap:15px;padding-block:17px;border-bottom:1px solid var(--line);font-size:13px;line-height:1.6;font-weight:600}.recent-panel>a:hover{color:var(--accent)}.recent-panel>a span{color:var(--accent)}.back-top{display:inline-block;margin-top:24px;font-size:12px;color:var(--muted)!important}.article-end{margin-top:50px;border-top:1px solid var(--line);padding-top:32px}.article-end h2{font-size:26px;font-weight:700;margin-top:10px}.skip-link{position:fixed;top:-100px;left:15px;background:var(--ink);color:white!important;padding:12px;z-index:100}.skip-link:focus{top:10px}@media(min-width:1000px){.toc-panel{max-height:48vh;overflow:auto}}@media(max-width:1000px){.hero-code{right:10px;width:240px;font-size:16px}.hero h1{font-size:66px}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-layout{gap:35px;grid-template-columns:minmax(0,1fr) 210px}}@media(max-width:700px){.site-shell{width:calc(100% - 36px)}.nav-inner{height:70px}.brand{font-size:20px}.brand-icon{font-size:14px}.nav-inner nav{gap:16px;font-size:12px}.hero{padding-block:55px 45px}.hero h1{font-size:60px;letter-spacing:-3px}.hero p{font-size:15px}.hero-code{display:none}.desktop-break{display:none}.topic-pill{font-size:12px;padding:10px 12px;gap:10px}.article-grid{grid-template-columns:1fr}.section-heading{display:block}.section-heading h2{font-size:29px}.section-heading>p{margin-top:10px}.articles-section{padding-block:40px 55px}.footer-inner{flex-wrap:wrap}.footer-inner p{width:100%;order:3}.reading-layout{display:flex;flex-direction:column;gap:35px;padding-top:26px}.article-sidebar{order:-1}.sidebar-sticky{position:static}.recent-panel,.back-top{display:none}.toc-panel{border:1px solid var(--line);padding:18px;border-radius:8px;background:white}#table-content{max-height:170px;overflow:auto}.article-header{padding-top:8px;padding-bottom:28px}.article-header h1{letter-spacing:-1px}.article-excerpt{font-size:17px}.article-meta{font-size:10px}.share-button{padding:8px;font-size:11px!important}.blog-content{font-size:16px}.blog-content h2{font-size:25px}.reading-progress{top:70px}.breadcrumbs{font-size:11px;padding-block:24px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.article-card{transition:none}}

/* Article navigation retreats on downward scroll without shifting the page. */
.article-page .site-header { transition: transform 180ms ease; }
.article-page .reading-progress { transition: top 180ms ease; }
.article-page .sidebar-sticky { transition: top 180ms ease; }
.article-page.article-header-hidden .site-header { transform: translateY(-100%); }
.article-page.article-header-hidden .reading-progress { top: 0; }
.article-page.article-header-hidden .sidebar-sticky { top: 32px; }
@media (prefers-reduced-motion: reduce) {
  .article-page .site-header,
  .article-page .reading-progress,
  .article-page .sidebar-sticky { transition: none; }
}

/* Match the more compact article view at normal browser zoom. */
.article-page .site-shell { width: min(1062px, calc(100% - 58px)); }
.article-page .nav-inner { height: 76px; }
.article-page .brand { font-size: 21px; }
.article-page .nav-inner nav { font-size: 13px; gap: 29px; }
.article-page .reading-progress { top: 76px; }
.article-page .breadcrumbs { padding-block: 29px; font-size: 11px; }
.article-page .article-header { max-width: 756px; padding: 16px 0 34px; }
.article-page .article-header h1 {
  font-size: clamp(32px, 4.15vw, 51px);
  letter-spacing: -1.7px;
  margin-block: 20px;
}
.article-page .article-excerpt { font-size: 17px; max-width: 684px; }
.article-page .article-meta { margin-top: 26px; }
.article-page .reading-layout {
  grid-template-columns: minmax(0, 684px) minmax(0, 234px);
  gap: 67px;
  padding-top: 38px;
  padding-bottom: 72px;
}
.article-page .blog-content { font-size: 15.5px; }
.article-page .blog-content > * + * { margin-top: 20px; }
.article-page .blog-content h2 { font-size: 25px; margin-top: 40px; margin-bottom: 16px; }
.article-page .blog-content h3 { font-size: 20px; margin-top: 27px; }
.article-page .blog-content > :first-child { margin-top: 0; }
.article-page .blog-content pre { font-size: 12px; padding: 47px 20px 22px; }
.article-page .blog-content blockquote { font-size: 19px; padding: 18px 22px; }
.article-page .sidebar-sticky { top: 108px; }
.article-page.article-header-hidden .reading-progress { top: 0; }
.article-page.article-header-hidden .sidebar-sticky { top: 29px; }
@media (max-width: 1000px) {
  .article-page .reading-layout { grid-template-columns: minmax(0, 1fr) 190px; gap: 32px; }
}
@media (max-width: 700px) {
  .article-page .site-shell { width: calc(100% - 36px); }
  .article-page .nav-inner { height: 63px; }
  .article-page .brand { font-size: 18px; }
  .article-page .nav-inner nav { gap: 14px; font-size: 11px; }
  .article-page .reading-progress { top: 63px; }
  .article-page.article-header-hidden .reading-progress { top: 0; }
  .article-page .breadcrumbs { padding-block: 22px; }
  .article-page .article-header { padding-top: 7px; padding-bottom: 25px; }
  .article-page .article-header h1 { font-size: 32px; letter-spacing: -1px; }
  .article-page .article-excerpt { font-size: 16px; }
  .article-page .reading-layout { gap: 32px; padding-top: 24px; }
  .article-page .blog-content { font-size: 16px; }
  .article-page .blog-content h2 { font-size: 23px; }
  .article-page .sidebar-sticky { position: static; }
}

/* Public theme controls and palette. */
.nav-inner nav { align-items: center; }
.theme-toggle {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--ink);
  background: transparent;
}
.theme-toggle:hover { background: var(--line); }
.theme-toggle .theme-sun { display: none; }
[data-theme="dark"] .theme-toggle .theme-moon { display: none; }
[data-theme="dark"] .theme-toggle .theme-sun { display: block; }
:root[data-theme="dark"] {
  --paper: #111b18;
  --ink: #e1ece5;
  --muted: #a2b5aa;
  --accent: #8cd5b4;
  --line: #30443a;
}
[data-theme="dark"] .site-header { background: rgba(17, 27, 24, .97); }
[data-theme="dark"] .brand-icon { background: #29483a; color: #e3f6a5; }
[data-theme="dark"] .article-card,
[data-theme="dark"] .topic-pill,
[data-theme="dark"] .share-button,
[data-theme="dark"] .toc-panel { background: #182620; }
[data-theme="dark"] .topic-pill:hover,
[data-theme="dark"] .category-label,
[data-theme="dark"] #table-content a:hover,
[data-theme="dark"] #table-content a[aria-current] { background: #243d30; }
[data-theme="dark"] .primary-link { background: #8cd5b4; color: #10251b !important; }
[data-theme="dark"] .primary-link:hover { background: #b3e4cb; }
[data-theme="dark"] .hero-code {
  background: #1b2b22;
  border-color: #38503f;
  box-shadow: 12px 12px 0 #1e3126;
  color: #b3cbb9;
}
[data-theme="dark"] .hero-code span { color: #a0b29f; }
[data-theme="dark"] .hero-code b { color: #dfb28b; }
[data-theme="dark"] .author-avatar { background: #294333; }
[data-theme="dark"] .blog-content { color: #c2d0c7; }
[data-theme="dark"] .blog-content blockquote,
[data-theme="dark"] .blog-content th { background: #20362a; }
[data-theme="dark"] .blog-content code { background: #283e31; color: #b2dfc5; }
[data-theme="dark"] .blog-content pre code { background: transparent; color: inherit; }
[data-theme="dark"] .article-card:hover { box-shadow: 0 12px 28px #0003; }
@media (max-width: 400px) {
  .nav-inner nav, .article-page .nav-inner nav { gap: 10px; }
  .brand, .article-page .brand { font-size: 17px; }
  .brand-icon { margin-right: 3px; padding: 5px; }
  .theme-toggle { width: 30px; height: 30px; }
}
@media (max-width: 400px) {
  .nav-inner nav a:nth-child(2) { font-size: 0; }
  .nav-inner nav a:nth-child(2)::before { content: "Topics"; font-size: 11px; }
}