/* Shared reading layer. The course shell owns navigation, not authored MD. */
#article{--article-link:#118ed8;--article-action-bg:#27aff5;--article-action-color:#fff;font-family:Manrope,Arial,sans-serif;color:#17191e;font-size:18px;line-height:1.65}
#article p,#article li{max-width:none;font:400 18px/1.65 Manrope,Arial,sans-serif;color:inherit;letter-spacing:normal}
#article p{margin:0 0 18px}
#article strong{font-weight:600;color:inherit;font-size:inherit}
#article h1{font:800 clamp(32px,3.6vw,44px)/1.12 Manrope,Arial,sans-serif;letter-spacing:-.035em;color:inherit;margin:0 0 28px;overflow-wrap:normal}
#article h2{font:800 29px/1.2 Manrope,Arial,sans-serif;letter-spacing:-.025em;color:inherit;margin:44px 0 14px;scroll-margin-top:90px}
#article h3{font:800 23px/1.25 Manrope,Arial,sans-serif;color:inherit;margin:32px 0 10px;scroll-margin-top:90px}
#article a{color:var(--article-link);font-weight:600;text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}
#article a:hover{color:#0c76b5}
#article ul,#article ol{margin:20px 0;padding-left:26px}
#article li{margin:8px 0}
#article blockquote{margin:24px 0;padding:0 0 0 20px;border:0;border-left:4px solid #f39a2f;border-radius:0;background:none;box-shadow:none;color:inherit}
#article blockquote p{font-size:inherit;line-height:inherit}
#article figure{margin:24px 0 28px;width:100%}
#article img,#article .article-inline-image,#article .article-hero-image{display:block;width:auto;max-width:100%;height:auto;margin:24px auto 28px;border-radius:14px;object-fit:contain}
#article figure img{margin:0 auto}
#article .article-inline-image,#article .article-hero-image,#article figure>img{width:100%}
#article figcaption{font:400 14px/1.45 Manrope,Arial,sans-serif;color:#46515b;margin-top:10px}
#article .article-note-accent,#article .article-spoiler,#article .article-copy-block{font-family:inherit}
#article .article-copy-block pre{font:inherit;letter-spacing:normal}
#article .article-note-accent strong{font-weight:600}
#article .article-actions a,#article .article-copy-button{font-family:inherit}
#article .article-actions a{color:var(--article-action-color);text-decoration:none}
#article .article-actions a:hover{background:#118ed8;color:#fff}
#article .article-copy-button:hover{background:#eaf8ff}
@media(max-width:620px){
 #article,#article p,#article li{font-size:17px}
 #article h1{font-size:32px;margin-bottom:22px}
 #article h2{font-size:25px}
 #article h3{font-size:21px}
 #article img,#article .article-inline-image,#article .article-hero-image{max-width:100%;margin-left:auto;margin-right:auto}
}

#article .article-note-accent{background:var(--article-note-bg,#FFF6C9);border:0;border-radius:16px;padding:19px 22px;margin:24px 0}
#article .article-note-accent p:first-child{margin-top:0}
#article .article-note-accent p:last-child{margin-bottom:0}

/* Prototype theme. Scope is the article root, not the surrounding LK. */
#article mark{background:var(--article-highlight-bg,#FFF6C9);color:inherit;border-radius:3px;padding:0 2px}
#article del{color:inherit;opacity:1}
#article hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(37,37,37,.24),transparent);width:min(280px,70%);margin:36px auto}
#article img{max-width:100%;height:auto}

/* Placement contract; Design owns the final visual tokens and geometry. */
#article .article-actions{display:flex;flex-direction:column;align-items:flex-start;gap:12px;margin:24px 0}
#article .article-actions a{display:block;box-sizing:border-box;max-width:100%;min-height:44px;padding:12px 20px;border-radius:12px;background:var(--article-action-bg,#1769D2);color:var(--article-action-color,#fff);font:600 16px/1.4 Inter,sans-serif;text-align:center;text-decoration:none;overflow-wrap:anywhere}
#article .article-actions a:focus-visible{outline:3px solid #1769D2;outline-offset:4px}
#article .article-actions-row{flex-direction:row;flex-wrap:wrap}
#article .article-actions-center{align-items:center}
@media(max-width:620px){#article .article-actions-row{flex-direction:column;align-items:stretch}#article .article-actions a{width:100%}}