.tutorial { max-width: 960px; padding-top: 65px; padding-bottom: 80px; }
.tutorial-header { margin-bottom: 2.5rem; }
.tutorial-header .eyebrow { margin-top: 2rem; }
.tutorial-header h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); line-height: 1.08; }
.tutorial-deck { font-size: 1.25rem; max-width: 720px; }
.tutorial-byline { font-size: .95rem; }
.tutorial-toc { padding: 1rem 1.25rem; border: 1px solid var(--line); border-radius: 6px; margin-bottom: 3rem; }
.tutorial-toc summary { font-weight: 600; cursor: pointer; }
.tutorial-toc nav { margin-top: 1rem; }
.tutorial-toc li { margin: .4rem 0; }
.tutorial-content { max-width: 800px; margin: auto; font-size: 1.1rem; line-height: 1.8; overflow-wrap: break-word; }
.tutorial-content h2 { margin-top: 3rem; padding-top: .75rem; border-top: 1px solid var(--line); font-size: 2.25rem; scroll-margin-top: 100px; }
.tutorial-content h3 { margin-top: 2rem; font-size: 1.7rem; scroll-margin-top: 100px; }
.tutorial-content p, .tutorial-content ul, .tutorial-content ol { margin-bottom: 1.25rem; }
.tutorial-content li { margin-bottom: .55rem; }
.tutorial-content blockquote { border-left: 3px solid var(--primary-color); margin: 1.75rem 0; padding: .25rem 1.25rem; }
.tutorial-content pre { padding: 1.2rem; overflow-x: auto; border-radius: 6px; font-size: .86rem; line-height: 1.65; background: #282A36; color: #F8F8F2; }
.tutorial-content .highlight { min-width: 0; margin-bottom: 1.5rem; }
.tutorial-content :not(pre) > code { color: var(--text-color); background: var(--secondary-background-color); padding: .1em .3em; font-size: .9em; }
.tutorial-content table { display: block; max-width: 100%; overflow-x: auto; margin: 1.5rem 0; font-size: .96rem; }
.tutorial-content th, .tutorial-content td { border-bottom: 1px solid var(--line); padding: .5rem .8rem; vertical-align: top; }
.tutorial-content mjx-container[display="true"] { display: block; max-width: 100%; overflow-x: auto; overflow-y: hidden; padding: .8rem 0; }
.paper-figure { margin: 2rem 0; }
.paper-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); border-radius: 5px; background: #FFFCF0; }
.paper-figure figcaption { font-size: .93rem; line-height: 1.6; margin-top: .7rem; color: var(--text-secondary-color); }
.attention-explorer { border: 1px solid var(--line); padding: 1.25rem; border-radius: 6px; margin: 2rem 0; }
.attention-explorer h3 { margin-top: 0; }
.attention-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.attention-controls label { display: block; }
.attention-controls output { display: block; font-variant-numeric: tabular-nums; }
.attention-controls input { display: block; width: 100%; accent-color: var(--primary-color); }
.attention-toggle { display: block; margin: .8rem 0; }
.attention-toggle input { margin-right: .4rem; }
#attention-result { font-weight: 600; font-variant-numeric: tabular-nums; }
@media(max-width: 600px) { .tutorial { padding-top: 35px; } .tutorial-content { font-size: 1.03rem; } .tutorial-content h2 { font-size: 1.9rem; } .attention-controls { grid-template-columns: 1fr; gap: .5rem; } }
.tutorial-content a { color: var(--primary-color); text-decoration: underline; text-underline-offset: .18em; }