.brain-onboarding{padding:clamp(20px,4vw,44px);border:1px solid var(--border);border-radius:24px;background:var(--surface);margin:20px 0}.brain-onboarding>h2{font-family:Georgia,serif;font-size:clamp(28px,4vw,40px);font-weight:400;letter-spacing:-.035em;margin:10px 0}.brain-onboarding>p{color:var(--muted);max-width:50ch}.journey-interests{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;border:0;padding:0;margin:26px 0}.journey-interest{display:flex!important;align-items:flex-start;gap:12px;padding:18px!important;border:1px solid var(--border);border-radius:16px;cursor:pointer;min-height:116px}.journey-interest:has(input:checked){border-color:var(--product-accent);background:color-mix(in srgb,var(--product-accent) 8%,var(--surface))}.journey-interest input{width:18px!important;min-height:18px!important;flex:0 0 auto;margin:6px 0}.journey-interest strong,.journey-interest small,.journey-interest em{display:block}.journey-interest strong{font-size:17px}.journey-interest small{color:var(--muted);line-height:1.5;margin-top:6px}.journey-interest em{font-size:11px;font-style:normal;color:var(--product-accent);margin-top:8px}.journey-symbol{font-size:24px;color:var(--product-accent);line-height:1.25}.journey-personalize{max-width:680px;margin:0 0 20px}.journey-personalize label{margin:12px 0}.journey-browse{margin:24px 0}.journey-browse>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.journey-browse button{text-align:left}.journey-browse small{display:block;color:var(--muted);margin-top:6px}.journey-next p{margin:4px 0;color:var(--muted);max-width:54ch}.journey-detail{margin:22px 0}.journey-route{padding:0;list-style:none;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin:18px 0}.journey-route li{display:flex;align-items:center;gap:12px;padding:10px 0;color:var(--muted);font-size:13px}.journey-route li[aria-current=step]{color:var(--text);font-weight:600}.journey-route span{color:var(--product-accent);font-size:18px}.journey-goal{font-size:13px;color:var(--muted)}.journey-readings article{display:flex;align-items:flex-start;gap:14px;padding:18px 0;border-bottom:1px solid var(--border)}.journey-readings article>div{min-width:0}.journey-reading-index{color:var(--muted);font-family:Georgia,serif;font-size:22px}.journey-readings h4{line-height:1.45;margin:0 0 7px}.journey-readings small,.journey-readings .brain-caption{display:block;font-size:12px;color:var(--muted)}.journey-readings .brain-actions{margin-top:10px}.journey-reflection{margin-top:20px}.journey-reflection textarea{width:100%;box-sizing:border-box;margin:8px 0 14px}.journey-expansion{display:grid;gap:10px;margin-top:24px}.journey-expansion>button{text-align:left;display:grid;gap:5px}.journey-expansion small{color:var(--muted)}.learning-brain [hidden]{display:none!important}.research-reader{border:1px solid var(--border);border-radius:20px;overflow:hidden;background:var(--surface);color:var(--text)}.reader-toolbar{position:sticky;top:0;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);background:var(--surface)}.reader-toolbar [role=group]{display:flex;gap:6px}.reader-toolbar [aria-pressed=true]{background:var(--product-accent);color:var(--product-on-accent)}.reader-toolbar [role=status]{font-size:12px;color:var(--muted)}.reader-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;min-height:560px}.reader-scroll{height:calc(100dvh - 210px);min-height:400px;max-height:1000px;overflow:auto;overscroll-behavior:contain;scroll-padding:24px}.reader-paper{padding:clamp(20px,4vw,52px);max-width:900px;margin:auto;overflow-wrap:anywhere}.reader-paper h1{font:400 clamp(25px,3vw,36px)/1.2 Georgia,serif;letter-spacing:-.025em;margin:14px 0}.reader-authors{font-size:13px;color:var(--muted);line-height:1.6}.reader-provenance{margin:20px 0 30px;font:13px/1.6 system-ui}.reader-text{font:18px/1.85 Georgia,serif;max-width:66ch}.reader-text p{margin:0 0 1.4em}.reader-text h2{font:600 23px/1.4 system-ui;margin:40px 0 18px}.reader-figure{border-left:2px solid var(--product-accent);padding:15px 18px;margin:22px 0;background:color-mix(in srgb,var(--product-accent) 5%,var(--surface));font:14px/1.6 system-ui}.reader-figure p{margin-bottom:10px}.reader-notes{border-left:1px solid var(--border);padding:24px 20px;font-size:13px;line-height:1.65;overflow-wrap:anywhere}.reader-notes h2{font-size:18px;line-height:1.4}.reader-notes label{display:grid;gap:8px;margin:20px 0}.reader-notes textarea,.reader-notes select{box-sizing:border-box;width:100%;min-width:0;font-size:16px}.reader-notes textarea{resize:vertical;min-height:130px}.reader-notes .brain-primary{width:100%}.reader-page-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;position:sticky;top:0;background:var(--surface);padding:12px 0;z-index:1}.reader-pdf canvas{display:block;max-width:100%;background:#fff}.reader-pdf [role=status]{font-size:14px;color:var(--muted)}.reader-loading{padding:30px}.reader-toolbar button,.reader-notes button,.journey-expansion button,.journey-browse button,.journey-readings button,.reader-figure button{min-height:44px}.reader-toolbar button:focus-visible,.reader-notes textarea:focus-visible,.reader-scroll:focus-visible{outline:2px solid var(--product-accent);outline-offset:3px}
@media(max-width:900px){.reader-layout{grid-template-columns:minmax(0,1fr)}.reader-notes{border-left:0;border-top:1px solid var(--border);display:grid;grid-template-columns:1fr 1fr;gap:4px 20px}.reader-notes>.brain-eyebrow,.reader-notes>h2,.reader-notes>p,.reader-notes>details{grid-column:1/-1}.reader-notes>label{margin:12px 0}.reader-notes>.brain-primary{align-self:end}.reader-scroll{height:62dvh;min-height:340px}.journey-browse>div{grid-template-columns:1fr}}
@media(max-width:540px){.brain-onboarding{padding:20px 16px;border-radius:18px}.journey-interests{grid-template-columns:1fr;gap:9px;margin:20px 0}.journey-interest{padding:14px!important;min-height:92px}.journey-symbol{display:none}.reader-toolbar{padding:12px;gap:8px}.reader-toolbar>button{width:100%;text-align:left}.reader-toolbar [role=group]{flex:1}.reader-toolbar [role=group] button{flex:1;font-size:12px;padding-inline:8px}.reader-toolbar [role=status]{width:100%}.reader-paper{padding:22px 17px}.reader-text{font-size:17px;line-height:1.8}.reader-text h2{font-size:21px}.reader-notes{display:block;padding:20px 17px}.reader-notes>label{margin:18px 0}.reader-scroll{height:58dvh;min-height:300px}.journey-readings article{gap:10px}.journey-reading-index{font-size:19px}.journey-route li{font-size:12px}.research-reader{border-radius:14px}.reader-toolbar,.reader-page-controls{scroll-margin-top:20px}}
@media(prefers-reduced-motion:no-preference){.journey-interest{transition:background-color .16s,border-color .16s}.journey-expansion{animation:journey-reveal .2s ease-out}@keyframes journey-reveal{from{opacity:.45;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}}