.blog-grid{padding-bottom:48px}.blog-grid img{width:100%;height:200px;object-fit:cover;border-radius:16px}.blog-grid h2{font-size:26px;line-height:1.2;letter-spacing:-.03em}.blog-article{max-width:850px;margin:auto}.blog-article h1{font-size:clamp(36px,5vw,64px)}.blog-article figure{margin:0 0 40px}.blog-article figure img{width:100%;height:auto;max-height:460px;object-fit:contain;border-radius:24px;background:var(--panel)}.blog-article figcaption{font-size:13px;color:var(--muted);margin-top:12px}.article-body{max-width:720px;margin:auto}.article-body h2{font-size:28px;line-height:1.25;margin:40px 0 16px;letter-spacing:-.03em}.article-body p,.article-body li{line-height:1.8}.article-body pre{padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:16px}.article-body a{overflow-wrap:anywhere}@media(max-width:700px){.subpage .blog-grid{grid-template-columns:1fr}.blog-grid img{height:180px}}
.blog-filters{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 18px}.blog-filters[hidden],.blog-grid .card[hidden]{display:none}.subpage .blog-filters button{border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:999px;padding:10px 18px}.subpage .blog-filters button[aria-pressed=true]{background:var(--ink);color:var(--bg)}#blog-result-count{color:var(--muted);font-size:14px;margin-bottom:24px}.blog-grid .eyebrow{font-size:12px}
.article-toc{padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}.article-toc ol{columns:2;padding-left:20px}.workflow{margin:32px 0}.workflow ol{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;padding:0;list-style:none}.workflow li{border-top:3px solid #508d78;padding:16px 8px;font-size:14px}.workflow span{display:block;color:#508d78;font-weight:700}.article-body table{display:block;overflow-x:auto;border-collapse:collapse;margin:24px 0}.article-body td,.article-body th{padding:12px;border:1px solid var(--line);text-align:left}.article-body pre{overflow-x:auto}.article-body img{max-width:100%;height:auto}.library-search{width:100%;padding:16px;border:1px solid var(--line);border-radius:14px;font:inherit;margin-bottom:24px}.article-body h2{scroll-margin-top:24px}@media(max-width:600px){.article-toc ol{columns:1}.workflow ol{grid-template-columns:repeat(2,1fr)}}
.blog-paths{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.subpage nav.series-map{height:auto;min-height:0;position:static;display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 40px}.series-map a{border:1px solid var(--line);border-radius:14px;padding:12px;text-decoration:none;background:var(--panel)}.series-level{padding:28px 0;border-top:1px solid var(--line);scroll-margin-top:160px}.series-level h2{font-size:32px}.series-lessons{padding-left:0;list-style:none}.series-lessons li{display:flex;gap:16px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line)}.lesson-status{margin-left:auto;white-space:nowrap;color:var(--muted);font-size:12px}.series-level .related-reading{padding:20px;border-radius:16px;background:var(--panel)}@media(max-width:600px){.series-lessons li{flex-wrap:wrap}.lesson-status{margin-left:0}}/* Shared learning surfaces: explicit grids, accessible controls, no nav flex distribution. */
.subpage nav.series-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:stretch;justify-content:initial;gap:12px;padding:18px;box-shadow:none;background:var(--panel);border:1px solid var(--line);border-radius:24px;backdrop-filter:none}
.series-map a{display:flex;align-items:center;min-width:0;min-height:64px;padding:16px;line-height:1.4;background:var(--bg);border-radius:16px;overflow-wrap:anywhere;transition:border-color .18s,background .18s}
.series-map a:hover{border-color:var(--accent)}
.subpage .blog-filters button{min-height:44px;font-size:14px;line-height:1.4;padding:11px 18px}
html[data-appearance] .subpage .blog-filters button:not(.appearance-toggle){color:var(--ink);background:var(--panel)}
html[data-appearance] .subpage .blog-filters button:not(.appearance-toggle)[aria-pressed=true]{color:var(--bg);background:var(--ink)}
.series-lessons li{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:16px;align-items:start;padding:20px 0}.series-lessons li>span{min-width:0;overflow-wrap:anywhere}.lesson-status{margin:2px 0 0;padding:3px 9px;border:1px solid var(--line);border-radius:999px}
.subpage nav[aria-label="Main navigation"] .links{flex-wrap:wrap;row-gap:10px}
.subpage .appearance-toggle{min-width:44px;min-height:44px}
.blog-paths .btn{line-height:1.45;text-align:left}
@media(max-width:900px){.subpage nav.series-map{grid-template-columns:repeat(2,minmax(0,1fr))}.subpage .blog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.subpage nav.series-map{grid-template-columns:1fr;padding:12px;gap:8px;border-radius:20px}.series-map a{min-height:52px;padding:13px 15px}.subpage .blog-grid{grid-template-columns:1fr}.blog-paths{display:grid;grid-template-columns:1fr}.blog-paths .btn{justify-content:space-between;width:100%;padding:14px 18px}.series-lessons li{grid-template-columns:36px minmax(0,1fr);gap:8px 12px}.series-lessons .lesson-status{grid-column:2;justify-self:start}.subpage nav[aria-label="Main navigation"] .links{gap:10px 16px;justify-content:flex-start}.subpage .wrap{padding-inline:18px}.blog-article h1{font-size:clamp(30px,8vw,42px);overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){.series-map a{transition:none}}

.lesson-diagram{padding:24px!important;background:var(--panel);border:1px solid var(--line);border-radius:24px}.lesson-diagram figcaption{font-size:18px!important;font-weight:650;color:var(--ink)!important;margin:0 0 20px!important}.lesson-diagram ol{list-style:none;padding:0;margin:0;display:grid;gap:24px}.lesson-diagram li{position:relative;display:flex;align-items:center;gap:16px;padding:16px;background:var(--bg);border:1px solid var(--line);border-radius:14px}.diagram-step{display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--bg)}.diagram-arrow{position:absolute;bottom:-27px;left:30px;color:var(--accent)}

/* Size from the available container, not device categories or main-nav styles. */
.subpage .series-map{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:12px;margin:24px 0 40px;padding:clamp(12px,2vw,20px);background:var(--panel);border:1px solid var(--line);border-radius:24px;position:static;box-sizing:border-box;width:100%;min-width:0}
.subpage .series-map a{display:flex;align-items:center;min-width:0;min-height:64px;margin:0;padding:16px;line-height:1.45;text-decoration:none;white-space:normal;overflow-wrap:break-word;border:1px solid var(--line);border-radius:16px;background:var(--bg);color:var(--ink)}

/* Guide diagrams use text nodes so labels remain selectable and resize naturally. */
.guide-visuals{container-type:inline-size;margin:44px 0 56px;min-width:0}
.guide-visuals figure{margin:24px 0!important;padding:clamp(16px,4cqi,28px);border:1px solid var(--line);border-radius:24px;background:var(--panel);min-width:0}
.guide-visuals figcaption{font-size:clamp(20px,4cqi,25px)!important;font-weight:650;line-height:1.35;color:var(--ink)!important;margin:0 0 24px!important}
.guide-visual-kicker{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.guide-visuals ol{list-style:none;padding:0;margin:0;display:grid;gap:26px}
.guide-visuals li{min-width:0;position:relative;margin:0;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:16px;line-height:1.5;overflow-wrap:anywhere;color:var(--ink)}
.guide-flow li{display:flex;gap:14px;align-items:center}
.guide-step-number{flex:none;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:var(--bg);font-size:13px;font-weight:650}
.guide-flow-arrow{position:absolute;left:28px;bottom:-28px;color:var(--ink);font-size:22px;line-height:26px}
.guide-architecture ol{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.guide-architecture li{display:flex;flex-direction:column;justify-content:center;gap:12px;min-height:128px}
.guide-architecture li:not(:last-child)::after{content:"";position:absolute;left:100%;top:50%;width:22px;border-top:2px dashed var(--muted)}
.guide-boundary-label{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.guide-visual-note{font-size:13px;line-height:1.6!important;margin:20px 0 0;color:var(--muted)}
@container(max-width:510px){.guide-architecture ol{grid-template-columns:1fr}.guide-architecture li{min-height:0}.guide-architecture li:not(:last-child)::after{left:50%;top:100%;width:0;height:22px;border-top:0;border-left:2px dashed var(--muted)}}
@media print{.guide-visuals figure{break-inside:avoid}}