/* Shared reading paths, concept essays and the classroom experiment. */
.route-entry{border-top:1px solid var(--line)}
.route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.route-card{display:flex;flex-direction:column;padding:28px;background:#edf1e7;border:1px solid #cbd6bf;border-radius:14px;transition:background .2s,transform .2s}
.route-card:first-child{background:#e2efcc}
.route-card:hover{background:#e3edda;transform:translateY(-3px)}
.route-number{font:12px/1.8 Georgia,serif;letter-spacing:1.6px;color:#657b4d}
.route-card h3{font-size:26px;margin:26px 0 12px;letter-spacing:-.5px}
.route-card p{color:var(--muted);font-size:15px;line-height:1.9;margin:0 0 25px}
.route-time{display:flex;justify-content:space-between;align-items:center;font-size:13px;border-top:1px solid #c8d4b9;padding-top:16px;margin-top:auto}
.route-time span{font-size:22px}
.route-library{display:inline-block;margin-top:22px;font-size:14px;text-decoration:underline;text-underline-offset:5px}
.guide-links{display:flex;gap:10px 22px;flex-wrap:wrap;margin:25px 0 15px}
.guide-links a{font-size:14px;text-decoration:underline;text-underline-offset:5px;padding:8px 0}
.learning-main,.guide-main{max-width:1180px;padding:0 30px}
.learning-heading{padding:65px 0 45px;max-width:850px}
.learning-heading h1,.guide-hero h1{white-space:normal;text-wrap:balance;line-height:1.45;font-size:clamp(32px,4vw,48px);margin:25px 0 18px}
.learning-heading .lead,.guide-hero .lead{font-size:18px;color:var(--muted);line-height:1.95}
.learning-footer{max-width:1120px;margin-top:65px}
.learning-footer>a:last-child{font-size:14px;text-decoration:underline;text-underline-offset:5px}
.route-selector{display:flex;gap:12px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.route-selector a{border:1px solid #c7d4b9;border-radius:100px;padding:12px 20px;font-size:14px;min-height:48px}
.route-selector a[aria-current]{background:var(--ink);color:var(--green);border-color:var(--ink)}
.route-panel{scroll-margin-top:20px;padding-top:36px}
.route-panel-heading h2{font-size:30px;margin-top:15px}
.route-panel-heading h2,.experiment h2{text-wrap:balance}
.route-panel-heading p{color:var(--muted)}
.route-steps{list-style:none;padding:0;margin:28px 0}
.route-steps li{display:grid;grid-template-columns:50px minmax(0,1fr) auto;align-items:center;gap:20px;padding:26px 24px;margin-bottom:12px;border:1px solid var(--line);border-radius:12px;background:#fafbf7}
.route-step-number{font:27px Georgia;color:#8a9e71}
.route-steps h3{margin:0;font-size:20px}
.route-steps h3 a{text-decoration:underline;text-underline-offset:6px}
.route-steps p{margin:10px 0 0;font-size:15px;color:var(--muted)}
.mark-read{border:1px solid #bccda8;background:transparent;border-radius:100px;padding:10px 16px;font-size:13px;min-height:44px}
.mark-read[aria-pressed=true]{background:#e0edcf;color:#365923}
.route-progress{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0}
.route-status{color:#536943;font-size:14px}
.route-finish{border-radius:12px;background:#e8efde;padding:30px;margin:30px 0}
.route-finish>p{font-size:19px;line-height:1.9;max-width:40em}
.route-finish>a{font-size:14px;text-decoration:underline;text-underline-offset:5px}
.progress-note{font-size:12px;color:var(--muted);margin-top:25px}
.guide-hero{display:grid;grid-template-columns:1.2fr .85fr;gap:55px;align-items:center;padding:60px 0 40px}
.guide-hero .eyebrow{margin-top:30px}
.guide-meta{font-size:12px;color:#67765a}
.guide-hero figure{margin:0;min-width:0}
.guide-hero figure img{display:block;width:100%;height:auto;border-radius:12px;box-shadow:8px 9px 0 #e2e8d8}
.guide-hero figcaption{font-size:11px;color:var(--muted);margin-top:18px;line-height:1.8}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px}
.copy-page{font-size:13px;min-height:44px;background:none;border:1px solid #c6d4b8;border-radius:100px;padding:10px 16px}
.copy-status{font-size:12px;color:#506940}
.share-fallback{width:100%;font:14px/1.6 inherit;border:1px solid #becda9;padding:10px;border-radius:6px}
.guide-nav{margin-bottom:30px;gap:8px;justify-content:flex-start}
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:60px}
.guide-body{min-width:0}
.takeaway{padding:24px 28px;border:1px solid #d1debf;background:#e8f0dd;border-radius:12px}
.takeaway p{font-size:19px;line-height:1.9;margin-bottom:0}
.guide-section{padding:32px 0 24px;border-bottom:1px solid var(--line);scroll-margin-top:20px}
.guide-section h2{font-size:28px;line-height:1.55;text-wrap:balance}
.guide-section p{font-size:17px;line-height:2;margin:20px 0}
.guide-section .editorial-note{font-size:13px;text-align:left}
.guide-question{border-left:3px solid #9ab56e;background:#eef2e8;padding:20px 25px;margin:28px 0;border-radius:0 10px 10px 0}
.guide-question strong{font-size:13px;color:#5b7442;letter-spacing:.6px}
.guide-question p{margin:9px 0 0}
.term-note{padding:18px 22px!important;margin:26px 0;border:1px dashed #aebb9d;border-radius:9px;background:#f1f4eb}
.term-note summary{font-size:15px;align-items:center}
.term-note p{font-size:15px;line-height:1.9}
.guide-margin{position:sticky;top:110px;align-self:start;padding:25px 22px;background:var(--ink);color:var(--paper);border-radius:12px}
.guide-margin .eyebrow{color:var(--green);font-size:11px}
.guide-margin p{font-size:19px;line-height:2}
.guide-margin a{font-size:13px;color:var(--green);text-decoration:underline;text-underline-offset:4px;line-height:1.8}
.guide-sources{padding:55px 0 35px}
.guide-next{padding:35px 0;border-top:1px solid var(--line)}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.related-grid a{display:block;padding:27px;border:1px solid var(--line);background:#ecf1e4;border-radius:12px}
.related-grid a>span{font-size:12px;color:#5b7144}
.related-grid h3{font-size:20px;margin:14px 0}
.related-grid p{font-size:15px;color:var(--muted);line-height:1.9;margin-bottom:0}
.original-card{padding:35px 35px 30px;border:1px solid #cad5bc;border-radius:14px;margin-bottom:25px;background:#f9faf5;scroll-margin-top:25px}
.original-card h2{font-size:28px}
.original-card>p{max-width:46em;line-height:2}
.original-card .book-meta{color:#657754;margin-top:14px;font-size:13px}
.original-card .reading-tip{font-size:14px;color:var(--muted)}
.inline-link{display:inline-block;margin:12px 25px 0 0;font-size:14px;text-decoration:underline;text-underline-offset:5px;padding:8px 0}
.reading-note{padding:35px;background:#e4efcf;border-radius:14px;margin-top:40px}
.reading-note li{line-height:2;margin:15px 0}
.reading-note ol{padding-left:24px}
.experiment-invitation{display:flex;gap:15px;align-items:center;justify-content:space-between;border:1px solid #c6d4b6;border-radius:10px;padding:18px 22px;background:#e8f0dc;margin-bottom:25px}
.experiment-invitation p{font-size:14px;margin:0}
.experiment-invitation a{font-size:14px;text-decoration:underline;text-underline-offset:5px;white-space:nowrap}
.experiment{margin:50px 0;padding:35px;border:1px solid #b5c99a;border-radius:16px;background:#f0f5e7;scroll-margin-top:20px}
.experiment h2{font-size:30px}
.experiment-intro{max-width:50em;color:#58684b;line-height:1.9}
.experiment-step-label{font-size:12px;letter-spacing:1px;color:#5a7440;margin:25px 0 20px}
.experiment fieldset{border:0;padding:0;margin:0 0 22px;min-width:0}
.experiment legend{font-size:20px;font-weight:600;padding:0;margin-bottom:16px}
.choice-list{display:grid;gap:12px}
.choice-label{display:flex;align-items:flex-start;gap:13px;padding:18px 20px;background:#fff;border:1px solid #ccd7be;border-radius:10px;cursor:pointer}
.choice-label:has(input:checked){border-color:#698e3a;background:#e1efce;box-shadow:0 0 0 1px #698e3a}
.choice-label input{accent-color:#476628;margin:4px 0 0;width:20px;height:20px;flex-shrink:0}
.choice-label strong{font-size:16px;display:block}
.choice-label small{display:block;font-size:13px;color:var(--muted);line-height:1.8;margin-top:5px}
.experiment textarea{display:block;width:100%;resize:vertical;min-height:95px;font:inherit;font-size:15px;padding:15px;border:1px solid #b9caa5;border-radius:10px;background:#fff;margin:10px 0 18px}
.experiment textarea:focus-visible,.experiment input:focus-visible{outline:3px solid #618c21;outline-offset:3px}
.reason-label{font-size:14px}
.experiment-actions{display:flex;align-items:center;flex-wrap:wrap;gap:15px;margin:24px 0}
.experiment-actions button{min-height:46px;border:0}
.experiment-actions .secondary{border:1px solid #adbf97;background:none;border-radius:100px;padding:11px 20px;font-size:14px}
.experiment-feedback{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:25px 0}
.experiment-feedback article{padding:22px;background:#fff;border:1px solid #d3deca;border-radius:10px}
.experiment-feedback h4{font-size:14px;color:#547438;margin:0 0 12px}
.experiment-feedback p{font-size:15px;line-height:1.9;margin:0}
.condition-change{padding:22px;border-left:3px solid #82a952;background:#e0eace;margin-bottom:24px;line-height:1.9}
.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}
.comparison-grid article{padding:23px;border:1px solid #bfcea9;background:#fff;border-radius:10px;min-width:0}
.comparison-grid h4{font-size:13px;color:#667d4a;margin:0 0 10px}
.comparison-grid h3{font-size:19px;line-height:1.65;margin:0 0 12px}
.comparison-grid p{font-size:15px;line-height:1.9;overflow-wrap:anywhere;white-space:pre-wrap}
.experiment .fine-print{font-size:12px;color:var(--muted);line-height:1.85}
.experiment-evidence{background:#e4edda;border-radius:10px;padding:22px}
.experiment-evidence li{line-height:1.9;margin:8px 0}
.large-text .guide-body p,.large-text .original-card>p,.large-text .experiment-feedback p,.large-text .comparison-grid p{font-size:20px}
@media(max-width:1000px){.guide-layout{grid-template-columns:minmax(0,1fr) 210px;gap:30px}.guide-hero{gap:30px}.route-card{padding:22px}.experiment-feedback{grid-template-columns:1fr}}
@media(max-width:800px){.guide-layout{grid-template-columns:1fr}.guide-margin{position:static;margin-top:0}.guide-hero{grid-template-columns:1fr}.guide-hero figure{max-width:580px}.route-grid{grid-template-columns:1fr}.route-card h3{margin-top:14px}.route-card p{margin-bottom:18px}}
@media(max-width:700px){
 .exercise-visible .reading-tools,.exercise-visible .motion-toggle{visibility:hidden;pointer-events:none}
 .learning-main,.guide-main{padding:0 20px}
 .learning-heading{padding:35px 0 25px}
 .learning-heading h1,.guide-hero h1{font-size:32px}
 .learning-heading .lead,.guide-hero .lead{font-size:16px}
 .route-selector{gap:8px}
 .route-selector a{font-size:13px;padding:10px 13px}
 .route-panel-heading h2{font-size:25px}
 .route-steps li{grid-template-columns:30px minmax(0,1fr);gap:12px;padding:22px 18px}
 .route-steps h3{font-size:18px}
 .mark-read{grid-column:2;justify-self:start;margin-top:5px}
 .route-progress{align-items:flex-start;flex-direction:column}
 .route-finish{padding:24px}
 .route-finish>p{font-size:17px}
 .guide-hero{padding:35px 0 25px}
 .guide-nav{margin:0 -20px 25px}
 .guide-section h2{font-size:25px}
 .guide-section p{font-size:16px}
 .guide-question,.takeaway{padding:20px}
 .related-grid{grid-template-columns:1fr}
 .original-card,.reading-note{padding:25px 22px}
 .original-card h2{font-size:24px}
 .learning-footer{margin-left:20px;margin-right:20px}
 .experiment{padding:24px 20px}
 .experiment h2{font-size:26px}
 .experiment legend{font-size:18px}
 .choice-label{padding:16px 14px;gap:10px}
 .comparison-grid{grid-template-columns:1fr}
 .experiment-invitation{align-items:flex-start;flex-direction:column}
 .guide-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 15px}
}