:root{--paper:#f5f2ea;--ink:#17382f;--muted:#626e64;--line:#d5d8cc;--accent:#c5a768;--light:#e8ebe1}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit;text-underline-offset:4px}button,input,select,textarea{font:inherit}button,a.button{cursor:pointer}button{background:transparent;border:1px solid #a5b1a7;padding:10px 18px;border-radius:5px;color:var(--ink)}button:hover{background:var(--light)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #ae7d32;outline-offset:4px}header{height:88px;padding:0 5vw;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid 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1fr;gap:15px}.doc>a{grid-column:2}.urlrow{display:block}.urlrow button{margin-top:15px}.field-head{align-items:flex-start;flex-direction:column;gap:10px}.field-actions{width:100%;justify-content:space-between}.actions{gap:14px}footer{align-items:flex-start;flex-direction:column;gap:14px}footer p{margin:0}}@media print{header,nav,.hero-art,.actions,.filters,.field button,.urlrow button,#toast,footer>a{display:none!important}main{padding:0}body{background:white;font-size:12px}section{padding:25px 0}.hero{display:block;padding:20px 0}h1{font-size:35px}h2{font-size:28px}.stats{padding:12px 0}.article-grid{grid-template-columns:1fr 1fr}.article{break-inside:avoid}.session-body{display:block}.field textarea{display:none}.print-text{white-space:pre-wrap;font:11px/1.5 system-ui}.section-head{margin-bottom:20px}a{overflow-wrap:anywhere}}

/* Larger type for the student reading experience. */
body{font-size:18px;line-height:1.75}
nav{font-size:17px}
.eyebrow,.session-body h4{font-size:13px}
.intro{font-size:21px}
.button,.textlink{font-size:17px}
.stats span{font-size:15px;max-width:135px}
.section-head>p{font-size:18px;max-width:440px}
.session summary .title{font-size:24px}
.group{font-size:12px}
.session-body p,.session-body li,#extra{font-size:18px}
.related,.editorial{font-size:17px}
.filters label,#results{font-size:15px}
.filters input,.filters select{font-size:17px}
.article .meta{font-size:12px;flex-wrap:wrap}
.article h3{font-size:27px}
.article .author{font-size:17px}
.article .journal{font-size:15px}
.article p{font-size:17px}
.article-links{font-size:16px;gap:16px;flex-wrap:wrap}
.doc{grid-template-columns:65px 1fr 100px}
.doc h3{font-size:23px}
.doc p,.doc a{font-size:17px}
footer p,footer>a{font-size:15px}
@media(max-width:1100px){.stats>div{flex-direction:column;align-items:start;gap:8px}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head{gap:30px}}
@media(max-width:800px){.section-head{display:block}.section-head>p{margin-top:22px}.session-body{display:block}.article-grid{grid-template-columns:1fr}.smallbrand{display:none}}
@media(max-width:650px){nav{font-size:16px}.intro{font-size:19px}.session summary .title{font-size:21px}.session-body{padding-left:15px}.session-body p,.session-body li,#extra{font-size:18px}.doc{grid-template-columns:48px minmax(0,1fr)}.doc>a{grid-column:2}.stats span{max-width:none}.filters select{max-width:100%}}
@media print{body{font-size:12px}.session-body p,.session-body li,#extra,.related,.article p,.doc p{font-size:12px}.article h3{font-size:19px}}

/* Research additions and verified teaching videos. */
.filters{flex-wrap:wrap}.filters .search-label{flex:1 1 260px}
.article{min-width:0}.article h3{overflow-wrap:anywhere}
.source-badge{align-self:flex-start;font-size:13px;letter-spacing:.3px;color:#36563f;background:#e8ebe1;padding:4px 9px;border-radius:3px;margin:-8px 0 18px}
.article .access{font-size:15px;border-left:2px solid var(--accent);padding-left:10px;color:#4c5e50}
.video-note{margin:0 0 30px}.video-card{background:#f0f1e8}
.qualifications{margin:8px 0 15px;border-top:1px solid var(--line);padding-top:14px}
.qualifications summary{font-size:16px;cursor:pointer;font-weight:600}
.qualifications p{font-size:16px}.qualifications a{font-size:15px}
#video-results{font-size:15px;color:var(--muted);padding-bottom:14px}
.session-videos{margin-top:24px}.video-card .article-links{justify-content:flex-start}
@media(max-width:650px){nav{gap:10px}.filters .search-label{flex-basis:100%}}
@media print{.video-note,.qualifications p,.article .access{font-size:12px}.article-links{font-size:11px}.source-badge{font-size:10px}}