/* Entirely scoped: inherits the Lab Bench light/dark palette. */
.adaptive-reading{color:var(--fg,#edf2ff);font-family:var(--body,'DM Sans',sans-serif);font-size:17px;line-height:1.75;max-width:1220px;margin:0 auto;--ar-line:var(--border,#34415c);--ar-accent:var(--accent,#a5b4fc);--ar-panel:var(--panel,#182235);--ar-raised:var(--raised,#202d45);--ar-sub:var(--sub,#b4bfd3);--ar-ink:var(--button-ink,#172044)}
.adaptive-reading *{box-sizing:border-box}
.adaptive-reading button,.adaptive-reading input,.adaptive-reading select{font:inherit}
.adaptive-reading button,.adaptive-reading select{color:inherit}
.adaptive-reading button{cursor:pointer}
.adaptive-reading :is(button,a,input,select,summary):focus-visible{outline:3px solid var(--ar-accent);outline-offset:4px}
.adaptive-reading .ar-intro{margin:0 0 32px}
.adaptive-reading .ar-kicker{color:var(--ar-accent)!important;font:11px/1.6 var(--mono,'IBM Plex Mono',monospace)!important;letter-spacing:.09em;text-transform:uppercase;margin:0 0 13px!important}
.adaptive-reading .ar-intro h1{font-family:var(--display,'Space Grotesk',sans-serif);font-size:clamp(30px,4vw,43px);letter-spacing:-.04em;line-height:1.18;margin:0 0 15px}
.adaptive-reading .ar-intro>p:last-child{color:var(--ar-sub);margin:0;font-size:18px}
.adaptive-reading .ar-controls{display:grid;grid-template-columns:minmax(180px,1fr) minmax(255px,1.25fr);gap:22px 28px;background:var(--ar-panel);border:1px solid var(--ar-line);border-radius:12px;padding:25px}
.adaptive-reading .ar-topic-label{font-size:13px;line-height:1.5;display:flex;flex-direction:column;gap:10px;grid-column:1/-1}
.adaptive-reading select{background:var(--ar-raised);border:1px solid var(--ar-line);border-radius:6px;padding:12px 35px 12px 14px;width:100%;max-width:430px;min-height:48px;font-size:16px}
.adaptive-reading option{background:var(--ar-panel);color:var(--fg)}
.adaptive-reading .ar-depth{border:0;padding:0;margin:0;min-width:0}
.adaptive-reading .ar-depth legend{font-size:13px;padding:0;margin-bottom:10px}
.adaptive-reading .ar-depth>div{display:flex;gap:5px;flex-wrap:wrap}
.adaptive-reading .ar-depth button{display:flex;gap:6px;align-items:center;border:1px solid var(--ar-line);border-radius:6px;padding:12px 13px;font-size:14px;min-height:48px;background:var(--ar-raised)}
.adaptive-reading .ar-depth button[aria-pressed=true]{background:var(--ar-accent);color:var(--ar-ink);border-color:var(--ar-accent)}
.adaptive-reading .ar-depth-n{font:10px var(--mono,monospace);opacity:.7}
.adaptive-reading .ar-toggles{display:grid;gap:15px;align-content:start}
.adaptive-reading .ar-toggles label{display:flex;align-items:flex-start;gap:11px;cursor:pointer;font-size:14px;line-height:1.5;min-height:44px}
.adaptive-reading .ar-toggles input{accent-color:var(--ar-accent);width:19px;height:19px;flex-shrink:0;margin:2px 0 0}
.adaptive-reading .ar-control-help{font-size:12px;display:block;color:var(--ar-sub);margin-top:2px}
.adaptive-reading .ar-note{font-size:12px!important;line-height:1.7!important;color:var(--ar-sub)!important;margin:12px 0 32px!important}
.adaptive-reading .ar-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:45px;align-items:start}
.adaptive-reading .ar-companion{grid-column:2;grid-row:1;min-width:0}
.adaptive-reading .ar-article{grid-column:1;grid-row:1;min-width:0;max-width:760px}
.adaptive-reading .ar-article h3{font-family:var(--display,'Space Grotesk',sans-serif);font-size:34px!important;letter-spacing:-.035em;line-height:1.2!important;margin:0 0 14px!important}
.adaptive-reading .ar-question{font-size:19px!important;line-height:1.65!important;color:var(--ar-sub)!important;margin:0 0 12px!important}
.adaptive-reading .ar-meta{font-size:12px!important;color:var(--ar-sub)!important;margin:0 0 26px!important}
.adaptive-reading .ar-article-head{border-bottom:1px solid var(--ar-line);margin-bottom:25px}
.adaptive-reading .ar-prose-section{margin:0 0 30px}
.adaptive-reading .ar-prose-section :is(h2,h4){font-size:19px;line-height:1.5;margin:0 0 12px;font-weight:600;letter-spacing:-.015em}
.adaptive-reading .ar-prose-section p{font-size:18px!important;line-height:1.9!important;letter-spacing:0;color:var(--fg)!important;margin:0 0 19px!important}
.adaptive-reading .ar-term{display:inline;padding:0;border:0;border-radius:2px;background:transparent;color:inherit;font:inherit;line-height:inherit;text-align:inherit;text-decoration:underline;text-decoration-style:dotted;text-decoration-thickness:1px;text-underline-offset:4px;white-space:normal}
.adaptive-reading[data-ar-highlight=true] .ar-term{background:color-mix(in srgb,var(--ar-accent) 16%,transparent);color:var(--fg);text-decoration-style:solid;box-shadow:0 0 0 2px color-mix(in srgb,var(--ar-accent) 16%,transparent)}
.adaptive-reading .ar-term:hover,.adaptive-reading .ar-term[aria-expanded=true]{background:var(--ar-accent);color:var(--ar-ink);box-shadow:none}
.adaptive-reading .ar-equation{display:block;background:var(--ar-raised);border-left:3px solid var(--ar-accent);border-radius:0 6px 6px 0;padding:14px 18px;margin:17px 0;font:17px/1.7 var(--mono,monospace);overflow-wrap:anywhere}
.adaptive-reading .ar-takeaway{border-left:3px solid var(--ar-accent);background:var(--ar-panel);padding:20px 24px;margin:30px 0;border-radius:0 9px 9px 0}
.adaptive-reading .ar-takeaway .ar-kicker{font-size:10px!important;display:block;margin-bottom:9px!important}
.adaptive-reading .ar-takeaway p{font-size:18px!important;line-height:1.75!important;color:var(--fg)!important;margin:0!important}
.adaptive-reading details{border-top:1px solid var(--ar-line);padding:17px 0}
.adaptive-reading summary{cursor:pointer;font-size:14px;line-height:1.6;min-height:32px;padding:4px 1px;font-weight:500;color:var(--fg)}
.adaptive-reading summary span{float:right;font-size:11px;color:var(--ar-sub);font-family:var(--mono,monospace);padding:2px 6px}
.adaptive-reading .ar-check p{font-size:17px!important;line-height:1.85!important;color:var(--fg)!important;margin:15px 0!important}
.adaptive-reading .ar-check details{border:0;padding:0 0 0 15px}
.adaptive-reading .ar-check details summary{color:var(--ar-accent)}
.adaptive-reading .ar-sources p,.adaptive-reading .ar-sources li{font-size:13px!important;line-height:1.9!important;color:var(--ar-sub)!important}
.adaptive-reading .ar-sources ul{padding-left:20px;margin:15px 0}
.adaptive-reading .ar-sources a{color:var(--fg);text-underline-offset:3px}
.adaptive-reading .ar-definition{background:var(--ar-panel);border:1px solid var(--ar-line);border-radius:10px;padding:20px;margin-bottom:25px;scroll-margin:24px}
.adaptive-reading .ar-definition h4{font-size:20px;line-height:1.4;margin:0 0 12px;letter-spacing:-.02em;scroll-margin:30px}
.adaptive-reading .ar-definition h4:focus{outline:none}
.adaptive-reading .ar-definition h4:focus-visible{outline:2px solid var(--ar-accent);outline-offset:4px}
.adaptive-reading .ar-definition p{font-size:15px!important;line-height:1.8!important;color:var(--ar-sub)!important;margin:0 0 15px!important}
.adaptive-reading .ar-definition .ar-kicker{font-size:10px!important;margin-bottom:12px!important;color:var(--ar-accent)!important}
.adaptive-reading .ar-definition-top{display:flex;justify-content:space-between;align-items:start;gap:10px}
.adaptive-reading .ar-dismiss{border:0;background:var(--ar-raised);border-radius:4px;min-width:32px;min-height:32px;line-height:1;font-size:23px;margin:-9px -9px 0 0}
.adaptive-reading .ar-save{width:100%;font-size:13px;border:1px solid var(--ar-line);border-radius:5px;background:var(--ar-raised);padding:11px 12px;min-height:44px;text-align:left}
.adaptive-reading .ar-save[aria-pressed=true]{background:var(--ar-accent);color:var(--ar-ink);border-color:var(--ar-accent)}
.adaptive-reading .ar-return{background:none;border:0;text-decoration:underline;text-underline-offset:4px;font-size:12px;min-height:44px;display:block;padding:10px 0 0}
.adaptive-reading .ar-small{font-size:12px!important;line-height:1.8!important;color:var(--ar-sub)!important;margin:12px 0!important}
.adaptive-reading .ar-term-list{padding:0;margin:10px 0 0;list-style:none}
.adaptive-reading .ar-term-list li{margin:0;padding:0}
.adaptive-reading .ar-term-list button{width:100%;display:flex;justify-content:space-between;gap:12px;text-align:left;align-items:center;border:0;border-radius:5px;background:none;font-size:13px;line-height:1.55;padding:11px 8px;min-height:44px}
.adaptive-reading .ar-term-list button:hover,.adaptive-reading .ar-term-list button[aria-expanded=true]{background:var(--ar-raised)}
.adaptive-reading .ar-term-list button span:last-child{font-size:14px;color:var(--ar-accent)}
.adaptive-reading .ar-sr{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.adaptive-reading.ar-compact .ar-intro{margin:0 0 22px}
.adaptive-reading.ar-compact .ar-intro>p:last-child{font-size:18px}
.adaptive-reading.ar-compact .ar-layout{grid-template-columns:minmax(0,1fr) 235px;gap:30px}
.adaptive-reading.ar-compact .ar-controls{padding:20px}
.adaptive-reading .ar-meta-only .ar-meta{margin-bottom:18px!important}
.adaptive-reading .ar-meta-only{margin-bottom:25px}
.adaptive-reading.ar-in-lesson{margin:0;max-width:none}
.adaptive-reading.ar-in-lesson .ar-controls{border-radius:9px}
.adaptive-reading.ar-resource .ar-intro{max-width:790px;margin-bottom:27px}
@media(max-width:1000px){.adaptive-reading .ar-layout,.adaptive-reading.ar-compact .ar-layout{gap:25px;grid-template-columns:minmax(0,1fr) 225px}.adaptive-reading .ar-controls{grid-template-columns:1fr}.adaptive-reading .ar-toggles{display:flex;gap:25px;flex-wrap:wrap}.adaptive-reading .ar-article h3{font-size:30px!important}}
@media(max-width:760px){.adaptive-reading .ar-layout,.adaptive-reading.ar-compact .ar-layout{display:flex;flex-direction:column;gap:22px}.adaptive-reading .ar-companion{width:100%;display:grid;grid-template-columns:1fr 1fr;gap:0 20px;order:0}.adaptive-reading .ar-definition{grid-column:1/-1;margin-bottom:8px}.adaptive-reading .ar-definition p{margin-bottom:10px!important}.adaptive-reading .ar-definition h4{font-size:19px}.adaptive-reading .ar-definition>p:last-child{margin-bottom:0!important}.adaptive-reading .ar-glossary,.adaptive-reading .ar-saved{padding:10px 0}.adaptive-reading .ar-article{width:100%;order:1}.adaptive-reading .ar-intro h1{font-size:40px}.adaptive-reading .ar-intro{margin-bottom:25px}.adaptive-reading .ar-controls{padding:20px;gap:22px}.adaptive-reading .ar-note{margin-bottom:22px!important}.adaptive-reading .ar-prose-section p{font-size:17px!important;line-height:1.9!important}.adaptive-reading .ar-question{font-size:18px!important}.adaptive-reading .ar-companion .ar-term-list{max-height:220px;overflow:auto;scrollbar-width:thin}.adaptive-reading .ar-equation{font-size:15px;padding:12px}.adaptive-reading .ar-takeaway{padding:18px}.adaptive-reading .ar-depth button{flex:1;justify-content:center}.adaptive-reading .ar-depth>div{flex-wrap:nowrap}.adaptive-reading .ar-depth-n{display:none}}
@media(max-width:420px){.adaptive-reading .ar-companion{display:block}.adaptive-reading .ar-toggles{display:grid;gap:14px}.adaptive-reading .ar-depth button{padding:11px 9px;font-size:13px}.adaptive-reading .ar-intro h1{font-size:35px}.adaptive-reading .ar-controls{padding:17px}}