/* Route: one next action; curriculum detail stays optional. */
#path>h1{font-size:32px;letter-spacing:-1px;margin:10px 0 22px}
#path>.adaptive-lead{font-size:14px;max-width:680px;margin:0 0 22px}
.learning-program{padding:0;margin:0 0 18px;border:0;background:none}
.program-next{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:24px;padding:24px;border:1px solid #bfcc9c;border-radius:16px;background:#e9efdc}
.program-next-copy{min-width:0}#path .program-next h2{font-size:24px;line-height:1.25;letter-spacing:-.5px;margin:10px 0 9px;max-width:660px}
.program-next-reason{max-width:640px;font-size:14px;line-height:1.6;margin:0;color:#45513d}
.program-next .program-meta{font-size:12px;line-height:1.4;margin:12px 0 0;color:#5c684f}
.program-next>.button{white-space:nowrap;min-height:44px}
.learning-program .program-map{margin:12px 0 0;border:1px solid var(--line);border-radius:12px;background:#fffefa;overflow:hidden}
.program-map>summary{display:flex;align-items:center;gap:12px;padding:16px 18px;list-style:none;font-size:14px}
.program-map>summary::-webkit-details-marker{display:none}
.program-map>summary::before{content:'';display:block;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(-45deg);margin:0 4px;flex-shrink:0}
.program-map[open]>summary::before{transform:rotate(45deg)}
.program-summary-meta{font-size:12px;font-weight:400;color:var(--muted);margin-left:auto;white-space:nowrap}
.program-map-note{font-size:12px;line-height:1.6;color:var(--muted);margin:0 18px 14px}
.program-rail{display:flex;gap:6px;overflow-x:auto;overscroll-behavior-inline:contain;padding:4px 18px 12px;scrollbar-width:thin}
.program-step{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-width:100px;flex:1 0 100px;padding:12px 10px;text-align:left;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink)}
.program-step strong{font-size:12px;font-weight:600;white-space:nowrap}.program-step small{font-size:10px;line-height:1.4;color:var(--muted);white-space:nowrap}
.program-step-number{font-size:10px;color:var(--muted)}
.program-step[data-current=true] .program-step-number{color:#4e642f;font-weight:800}
.program-step[aria-pressed=true]{border-color:#91a969;background:#e4edce}
.program-step[aria-pressed=true] small{color:#4f5f3c}
.program-step:focus-visible{outline-offset:-3px}
.program-detail{margin:0 18px;padding:16px 0 18px;border-top:1px solid var(--line)}
.program-detail h3{font-size:18px;line-height:1.35;margin:8px 0}.program-detail>p{font-size:13px;line-height:1.65;margin:0;max-width:760px}
.program-detail .program-depth{margin-top:12px}.program-depth>summary{font-size:12px;font-weight:500}.program-depth p{font-size:13px;line-height:1.65;max-width:780px;margin:10px 0}
.program-detail>.program-planned-note{font-size:12px;color:var(--muted);margin-top:12px}
.route-tools{display:flex;flex-wrap:wrap;gap:12px;margin:0 2px 16px}.route-tools .text-link{font-size:12px;color:#59644e;text-decoration:underline;text-underline-offset:3px}
#path>.lesson-catalog{padding:0;margin-top:12px;border-radius:12px;background:#fffefa;overflow:hidden}
.lesson-catalog>summary{padding:16px 18px;min-height:48px;font-size:14px;font-weight:700;list-style:none;display:flex;align-items:center;gap:12px}
.lesson-catalog>summary::-webkit-details-marker{display:none}
.lesson-catalog>summary::before{content:'';display:block;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(-45deg);margin:0 4px;flex-shrink:0}
.lesson-catalog[open]>summary::before{transform:rotate(45deg)}
.catalog-tabs{display:flex;gap:6px;margin:0 18px 8px;padding:4px;background:#eff0e8;border-radius:10px}
.catalog-tab{flex:1;min-width:0;min-height:40px;padding:8px 12px;border-radius:7px;background:transparent;color:#5d6754;font-size:12px;font-weight:600;line-height:1.4}
.catalog-tab[aria-pressed=true]{background:#fffefa;color:var(--ink);box-shadow:0 1px 4px #26302217}
.catalog-list{padding:0 18px 12px}.catalog-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;border-top:1px solid var(--line);min-height:48px;padding:10px 2px}
.catalog-row:first-child{border-top:0}.catalog-row>.text-link{font-size:13px;line-height:1.5;font-weight:500;text-decoration:none}.catalog-row>.text-link:hover{text-decoration:underline;text-underline-offset:3px}.catalog-row>span{font-size:11px;text-align:right;white-space:nowrap}.catalog-list>.text-link{display:inline-block;font-size:12px;margin:12px 2px}
@media(max-width:800px){.program-next{grid-template-columns:1fr;gap:16px}.program-next>.button{justify-self:start}#path .program-next h2{font-size:22px}}
@media(max-width:540px){#path>h1{font-size:27px;margin:8px 0 18px}#path>.adaptive-lead{font-size:13px;margin-bottom:18px}.program-next{padding:18px;border-radius:13px}.program-next-reason{font-size:13px}.program-next>.button{justify-self:stretch}.program-map>summary,.lesson-catalog>summary{padding:15px 14px;font-size:13px}.program-summary-meta{font-size:11px}.program-map-note{margin:0 14px 12px}.program-rail{padding:4px 14px 12px}.program-detail{margin:0 14px;padding-top:14px}.program-detail h3{font-size:17px}.catalog-tabs{margin:0 14px 8px;gap:3px}.catalog-tab{padding:8px 5px;font-size:11px}.catalog-list{padding:0 14px 10px}.catalog-row{gap:9px}.catalog-row>.text-link{font-size:12px}.catalog-row>span{font-size:10px}.route-tools{margin-bottom:14px}}

.adaptive-view>h1{font-size:34px;line-height:1.2;letter-spacing:-1px;max-width:900px}.adaptive-view>.adaptive-lead{font-size:14px;line-height:1.65;max-width:760px}.lesson-mode{display:flex;gap:5px;padding:4px;max-width:440px;background:#e9ecdf;border-radius:10px;margin:20px 0 16px}.guided-content h2{font-size:22px;line-height:1.3;margin:12px 0}.guided-content>p{max-width:720px;font-size:14px;line-height:1.65}.guided-content .assessment-code{margin:16px 0}.guided-feedback:empty{display:none}.mentor-help>summary{font-size:14px}.mentor-help .mentor-answer{font-size:14px;line-height:1.7}.diagnostic-scores{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.diagnostic-upgrade h2{font-size:20px}.lesson-mode+details>summary{font-size:13px}
@media(max-width:540px){.adaptive-view>h1{font-size:27px}.lesson-mode{max-width:none}.guided-content h2{font-size:20px}.guided-content .quiz-choice{font-size:13px;padding:12px}.mentor-help .assessment-actions{display:grid;grid-template-columns:1fr}.diagnostic-scores{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* A quiet lesson canvas: navigation, teaching, then one next action. */
.lesson-navigation{display:flex;justify-content:space-between;align-items:start;gap:20px;margin:0 0 22px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:12px}
.lesson-navigation .text-link{font-size:12px;line-height:1.5}.lesson-options{text-align:right;max-width:65%}.lesson-options>summary{padding:5px 0;color:var(--muted);font-size:12px}.lesson-options[open]{padding-bottom:4px}.lesson-options>.text-link{display:block;margin-top:8px}
.adaptive-view>.lesson-mode{margin:20px 0 16px;max-width:400px}.lesson-mode .catalog-tab{min-height:40px}
#adaptive>.lesson-study,#workshops>.lesson-study{margin:0;padding:24px;background:#fffefa;border-radius:16px}
.lesson-study-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.4fr);gap:28px;align-items:start}
.lesson-study h2{font-size:18px;letter-spacing:-.4px;margin:0 0 12px}.lesson-study p{font-size:14px;line-height:1.7;margin:0 0 14px}.lesson-study p:last-child{margin-bottom:0}
.lesson-concept{padding-right:24px;border-right:1px solid var(--line)}.lesson-example{min-width:0}.lesson-example .assessment-code{font-size:13px;line-height:1.8;padding:16px;margin:14px 0;border-radius:9px}.lesson-example-result{color:#52604b}
.lesson-why{margin-top:22px;padding:16px 0 0;border-top:1px solid var(--line)}.lesson-why>summary{font-size:13px;font-weight:600;line-height:1.6;padding:4px 0}.lesson-why>p{margin:12px 0 0;max-width:76ch}
.lesson-study-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:18px;margin-top:20px;border-top:1px solid var(--line)}.lesson-study-actions>p{font-size:12px;color:var(--muted);margin:0;max-width:42ch}.lesson-study-actions>.button{flex:none;min-height:44px;margin-left:auto}
.lesson-study .guided-content{max-width:680px;margin:0 auto}.lesson-study .guided-content .eyebrow{font-size:10px}.lesson-study .guided-content h2{font-size:22px}.lesson-study .guided-content .question-prompt{font-weight:600;margin-top:18px}.lesson-study .guided-feedback{margin-top:14px}
@media(max-width:1050px){.lesson-study-grid{grid-template-columns:1fr;gap:20px}.lesson-concept{padding:0 0 18px;border-right:0;border-bottom:1px solid var(--line)}}
@media(max-width:540px){.lesson-navigation{margin-bottom:18px;gap:12px}.lesson-options{max-width:60%}#adaptive>.lesson-study,#workshops>.lesson-study{padding:18px;border-radius:12px}.lesson-study h2{font-size:17px}.lesson-study p{font-size:13px}.lesson-study-grid{gap:18px}.lesson-example .assessment-code{font-size:12px;padding:13px}.lesson-study-actions{flex-wrap:wrap;gap:14px}.lesson-study-actions>p{max-width:none}.lesson-study-actions>.button{flex:1;justify-content:center}.lesson-why{margin-top:18px}.lesson-study .guided-content h2{font-size:20px}.adaptive-view>.lesson-mode{max-width:none}}